diff options
32 files changed, 4541 insertions, 3295 deletions
@@ -2,6 +2,16 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Major PCMCIA Cleanup to make code better readable and maintainable. + Notes: + - Board-dependend code for RPXLITE and RPXCLASSIC-based boards + placed to the drivers/rpx_pmcia.c file to avoid duplication. + Same for TQM8xx-based boards (drivers/tqm8xx_pmcia.c). + - drivers/i82365.c has been split into two parts located at + board/atc/ti113x.c and board/cpc45/pd67290.c (ATC and CPC45 are + the only boards using CONFIG_82365). + - Changes were tested for clean build and *very* *few* boards. + * Fix timer problems on AMCC yucca board. Set Timer Clock Select to use CPU clock as a timer input source. diff --git a/board/atc/Makefile b/board/atc/Makefile index 7a2014d..7573a0c 100644 --- a/board/atc/Makefile +++ b/board/atc/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o +OBJS = $(BOARD).o flash.o ti113x.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/atc/ti113x.c b/board/atc/ti113x.c new file mode 100644 index 0000000..d5e935c --- /dev/null +++ b/board/atc/ti113x.c @@ -0,0 +1,637 @@ +/* + * (C) Copyright 2003-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ******************************************************************** + * + * Lots of code copied from: + * + * i82365.c 1.352 - Linux driver for Intel 82365 and compatible + * PC Card controllers, and Yenta-compatible PCI-to-CardBus controllers. + * (C) 1999 David A. Hinds <dahinds@users.sourceforge.net> + */ + +#include <common.h> + +#ifdef CONFIG_I82365 + +#include <command.h> +#include <pci.h> +#include <pcmcia.h> +#include <asm/io.h> + +#include <pcmcia/ss.h> +#include <pcmcia/i82365.h> +#include <pcmcia/yenta.h> +#include <pcmcia/ti113x.h> + +static struct pci_device_id supported[] = { + {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510}, + {0, 0} +}; + +#define CYCLE_TIME 120 + +#ifdef DEBUG +static void i82365_dump_regions (pci_dev_t dev); +#endif + +typedef struct socket_info_t { + pci_dev_t dev; + u_short bcr; + u_char pci_lat, cb_lat, sub_bus, cache; + u_int cb_phys; + + socket_cap_t cap; + u_short type; + u_int flags; + ti113x_state_t state; +} socket_info_t; + +static socket_info_t socket; +static socket_state_t state; +static struct pccard_mem_map mem; +static struct pccard_io_map io; + +/*====================================================================*/ + +/* Some PCI shortcuts */ + +static int pci_readb (socket_info_t * s, int r, u_char * v) +{ + return pci_read_config_byte (s->dev, r, v); +} +static int pci_writeb (socket_info_t * s, int r, u_char v) +{ + return pci_write_config_byte (s->dev, r, v); +} +static int pci_readw (socket_info_t * s, int r, u_short * v) +{ + return pci_read_config_word (s->dev, r, v); +} +static int pci_writew (socket_info_t * s, int r, u_short v) +{ + return pci_write_config_word (s->dev, r, v); +} +static int pci_readl (socket_info_t * s, int r, u_int * v) +{ + return pci_read_config_dword (s->dev, r, v); +} +static int pci_writel (socket_info_t * s, int r, u_int v) +{ + return pci_write_config_dword (s->dev, r, v); +} + +/*====================================================================*/ + +#define cb_readb(s, r) readb((s)->cb_phys + (r)) +#define cb_readl(s, r) readl((s)->cb_phys + (r)) +#define cb_writeb(s, r, v) writeb(v, (s)->cb_phys + (r)) +#define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r)) + +static u_char i365_get (socket_info_t * s, u_short reg) +{ + return cb_readb (s, 0x0800 + reg); +} + +static void i365_set (socket_info_t * s, u_short reg, u_char data) +{ + cb_writeb (s, 0x0800 + reg, data); +} + +static void i365_bset (socket_info_t * s, u_short reg, u_char mask) +{ + i365_set (s, reg, i365_get (s, reg) | mask); +} + +static void i365_bclr (socket_info_t * s, u_short reg, u_char mask) +{ + i365_set (s, reg, i365_get (s, reg) & ~mask); +} + +#if 0 /* not used */ +static void i365_bflip (socket_info_t * s, u_short reg, u_char mask, int b) +{ + u_char d = i365_get (s, reg); + + i365_set (s, reg, (b) ? (d | mask) : (d & ~mask)); +} + +static u_short i365_get_pair (socket_info_t * s, u_short reg) +{ + return (i365_get (s, reg) + (i365_get (s, reg + 1) << 8)); +} +#endif /* not used */ + +static void i365_set_pair (socket_info_t * s, u_short reg, u_short data) +{ + i365_set (s, reg, data & 0xff); + i365_set (s, reg + 1, data >> 8); +} + +/*====================================================================== + + Code to save and restore global state information for TI 1130 and + TI 1131 controllers, and to set and report global configuration + options. + +======================================================================*/ + +static void ti113x_get_state (socket_info_t * s) +{ + ti113x_state_t *p = &s->state; + + pci_readl (s, TI113X_SYSTEM_CONTROL, &p->sysctl); + pci_readb (s, TI113X_CARD_CONTROL, &p->cardctl); + pci_readb (s, TI113X_DEVICE_CONTROL, &p->devctl); + pci_readb (s, TI1250_DIAGNOSTIC, &p->diag); + pci_readl (s, TI12XX_IRQMUX, &p->irqmux); +} + +static void ti113x_set_state (socket_info_t * s) +{ + ti113x_state_t *p = &s->state; + + pci_writel (s, TI113X_SYSTEM_CONTROL, p->sysctl); + pci_writeb (s, TI113X_CARD_CONTROL, p->cardctl); + pci_writeb (s, TI113X_DEVICE_CONTROL, p->devctl); + pci_writeb (s, TI1250_MULTIMEDIA_CTL, 0); + pci_writeb (s, TI1250_DIAGNOSTIC, p->diag); + pci_writel (s, TI12XX_IRQMUX, p->irqmux); + i365_set_pair (s, TI113X_IO_OFFSET (0), 0); + i365_set_pair (s, TI113X_IO_OFFSET (1), 0); +} + +static u_int ti113x_set_opts (socket_info_t * s) +{ + ti113x_state_t *p = &s->state; + u_int mask = 0xffff; + + p->cardctl &= ~TI113X_CCR_ZVENABLE; + p->cardctl |= TI113X_CCR_SPKROUTEN; + + return mask; +} + +/*====================================================================== + + Routines to handle common CardBus options + +======================================================================*/ + +/* Default settings for PCI command configuration register */ +#define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \ + PCI_COMMAND_MASTER|PCI_COMMAND_WAIT) + +static void cb_get_state (socket_info_t * s) +{ + pci_readb (s, PCI_CACHE_LINE_SIZE, &s->cache); + pci_readb (s, PCI_LATENCY_TIMER, &s->pci_lat); + pci_readb (s, CB_LATENCY_TIMER, &s->cb_lat); + pci_readb (s, CB_CARDBUS_BUS, &s->cap.cardbus); + pci_readb (s, CB_SUBORD_BUS, &s->sub_bus); + pci_readw (s, CB_BRIDGE_CONTROL, &s->bcr); +} + +static void cb_set_state (socket_info_t * s) +{ + pci_writel (s, CB_LEGACY_MODE_BASE, 0); + pci_writel (s, PCI_BASE_ADDRESS_0, s->cb_phys); + pci_writew (s, PCI_COMMAND, CMD_DFLT); + pci_writeb (s, PCI_CACHE_LINE_SIZE, s->cache); + pci_writeb (s, PCI_LATENCY_TIMER, s->pci_lat); + pci_writeb (s, CB_LATENCY_TIMER, s->cb_lat); + pci_writeb (s, CB_CARDBUS_BUS, s->cap.cardbus); + pci_writeb (s, CB_SUBORD_BUS, s->sub_bus); + pci_writew (s, CB_BRIDGE_CONTROL, s->bcr); +} + +static void cb_set_opts (socket_info_t * s) +{ + if (s->cache == 0) + s->cache = 8; + if (s->pci_lat == 0) + s->pci_lat = 0xa8; + if (s->cb_lat == 0) + s->cb_lat = 0xb0; +} + +/*====================================================================== + + Power control for Cardbus controllers: used both for 16-bit and + Cardbus cards. + +======================================================================*/ + +static int cb_set_power (socket_info_t * s, socket_state_t * state) +{ + u_int reg = 0; + + /* restart card voltage detection if it seems appropriate */ + if ((state->Vcc == 0) && (state->Vpp == 0) && + !(cb_readl (s, CB_SOCKET_STATE) & CB_SS_VSENSE)) + cb_writel (s, CB_SOCKET_FORCE, CB_SF_CVSTEST); + switch (state->Vcc) { + case 0: + reg = 0; + break; + case 33: + reg = CB_SC_VCC_3V; + break; + case 50: + reg = CB_SC_VCC_5V; + break; + default: + return -1; + } + switch (state->Vpp) { + case 0: + break; + case 33: + reg |= CB_SC_VPP_3V; + break; + case 50: + reg |= CB_SC_VPP_5V; + break; + case 120: + reg |= CB_SC_VPP_12V; + break; + default: + return -1; + } + if (reg != cb_readl (s, CB_SOCKET_CONTROL)) + cb_writel (s, CB_SOCKET_CONTROL, reg); + + return 0; +} + +/*====================================================================== + + Generic routines to get and set controller options + +======================================================================*/ + +static void get_bridge_state (socket_info_t * s) +{ + ti113x_get_state (s); + cb_get_state (s); +} + +static void set_bridge_state (socket_info_t * s) +{ + cb_set_state (s); + i365_set (s, I365_GBLCTL, 0x00); + i365_set (s, I365_GENCTL, 0x00); + ti113x_set_state (s); +} + +static void set_bridge_opts (socket_info_t * s) +{ + ti113x_set_opts (s); + cb_set_opts (s); +} + +/*====================================================================*/ +#define PD67_EXT_INDEX 0x2e /* Extension index */ +#define PD67_EXT_DATA 0x2f /* Extension data */ +#define PD67_EXD_VS1(s) (0x01 << ((s)<<1)) + +#define pd67_ext_get(s, r) \ + (i365_set(s, PD67_EXT_INDEX, r), i365_get(s, PD67_EXT_DATA)) + +static int i365_get_status (socket_info_t * s, u_int * value) +{ + u_int status; + + status = i365_get (s, I365_IDENT); + status = i365_get (s, I365_STATUS); + *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; + if (i365_get (s, I365_INTCTL) & I365_PC_IOCARD) { + *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; + } else { + *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; + *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; + } + *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; + *value |= (status & I365_CS_READY) ? SS_READY : 0; + *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0; + + status = cb_readl (s, CB_SOCKET_STATE); + *value |= (status & CB_SS_32BIT) ? SS_CARDBUS : 0; + *value |= (status & CB_SS_3VCARD) ? SS_3VCARD : 0; + *value |= (status & CB_SS_XVCARD) ? SS_XVCARD : 0; + *value |= (status & CB_SS_VSENSE) ? 0 : SS_PENDING; + /* For now, ignore cards with unsupported voltage keys */ + if (*value & SS_XVCARD) + *value &= ~(SS_DETECT | SS_3VCARD | SS_XVCARD); + + return 0; +} /* i365_get_status */ + +static int i365_set_socket (socket_info_t * s, socket_state_t * state) +{ + u_char reg; + + set_bridge_state (s); + + /* IO card, RESET flag */ + reg = 0; + reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; + reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; + i365_set (s, I365_INTCTL, reg); + + reg = I365_PWR_NORESET; + if (state->flags & SS_PWR_AUTO) + reg |= I365_PWR_AUTO; + if (state->flags & SS_OUTPUT_ENA) + reg |= I365_PWR_OUT; + + cb_set_power (s, state); + reg |= i365_get (s, I365_POWER) & (I365_VCC_MASK | I365_VPP1_MASK); + + if (reg != i365_get (s, I365_POWER)) + i365_set (s, I365_POWER, reg); + + return 0; +} /* i365_set_socket */ + +/*====================================================================*/ + +static int i365_set_mem_map (socket_info_t * s, struct pccard_mem_map *mem) +{ + u_short base, i; + u_char map; + + debug ("i82365: SetMemMap(%d, %#2.2x, %d ns, %#5.5lx-%#5.5lx, %#5.5x)\n", + mem->map, mem->flags, mem->speed, + mem->sys_start, mem->sys_stop, mem->card_start); + + map = mem->map; + if ((map > 4) || + (mem->card_start > 0x3ffffff) || + (mem->sys_start > mem->sys_stop) || + (mem->speed > 1000)) { + return -1; + } + + /* Turn off the window before changing anything */ + if (i365_get (s, I365_ADDRWIN) & I365_ENA_MEM (map)) + i365_bclr (s, I365_ADDRWIN, I365_ENA_MEM (map)); + + /* Take care of high byte, for PCI controllers */ + i365_set (s, CB_MEM_PAGE (map), mem->sys_start >> 24); + + base = I365_MEM (map); + i = (mem->sys_start >> 12) & 0x0fff; + if (mem->flags & MAP_16BIT) + i |= I365_MEM_16BIT; + if (mem->flags & MAP_0WS) + i |= I365_MEM_0WS; + i365_set_pair (s, base + I365_W_START, i); + + i = (mem->sys_stop >> 12) & 0x0fff; + switch (mem->speed / CYCLE_TIME) { + case 0: + break; + case 1: + i |= I365_MEM_WS0; + break; + case 2: + i |= I365_MEM_WS1; + break; + default: + i |= I365_MEM_WS1 | I365_MEM_WS0; + break; + } + i365_set_pair (s, base + I365_W_STOP, i); + + i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff; + if (mem->flags & MAP_WRPROT) + i |= I365_MEM_WRPROT; + if (mem->flags & MAP_ATTRIB) + i |= I365_MEM_REG; + i365_set_pair (s, base + I365_W_OFF, i); + + /* Turn on the window if necessary */ + if (mem->flags & MAP_ACTIVE) + i365_bset (s, I365_ADDRWIN, I365_ENA_MEM (map)); + return 0; +} /* i365_set_mem_map */ + +static int i365_set_io_map (socket_info_t * s, struct pccard_io_map *io) +{ + u_char map, ioctl; + + map = io->map; + /* comment out: comparison is always false due to limited range of data type */ + if ((map > 1) || /* (io->start > 0xffff) || (io->stop > 0xffff) || */ + (io->stop < io->start)) + return -1; + /* Turn off the window before changing anything */ + if (i365_get (s, I365_ADDRWIN) & I365_ENA_IO (map)) + i365_bclr (s, I365_ADDRWIN, I365_ENA_IO (map)); + i365_set_pair (s, I365_IO (map) + I365_W_START, io->start); + i365_set_pair (s, I365_IO (map) + I365_W_STOP, io->stop); + ioctl = i365_get (s, I365_IOCTL) & ~I365_IOCTL_MASK (map); + if (io->speed) + ioctl |= I365_IOCTL_WAIT (map); + if (io->flags & MAP_0WS) + ioctl |= I365_IOCTL_0WS (map); + if (io->flags & MAP_16BIT) + ioctl |= I365_IOCTL_16BIT (map); + if (io->flags & MAP_AUTOSZ) + ioctl |= I365_IOCTL_IOCS16 (map); + i365_set (s, I365_IOCTL, ioctl); + /* Turn on the window if necessary */ + if (io->flags & MAP_ACTIVE) + i365_bset (s, I365_ADDRWIN, I365_ENA_IO (map)); + return 0; +} /* i365_set_io_map */ + +/*====================================================================*/ + +int i82365_init (void) +{ + u_int val; + int i; + + if ((socket.dev = pci_find_devices (supported, 0)) < 0) { + /* Controller not found */ + return 1; + } + debug ("i82365 Device Found!\n"); + + pci_read_config_dword (socket.dev, PCI_BASE_ADDRESS_0, &socket.cb_phys); + socket.cb_phys &= ~0xf; + + get_bridge_state (&socket); + set_bridge_opts (&socket); + + i = i365_get_status (&socket, &val); + + if (val & SS_DETECT) { + if (val & SS_3VCARD) { + state.Vcc = state.Vpp = 33; + puts (" 3.3V card found: "); + } else if (!(val & SS_XVCARD)) { + state.Vcc = state.Vpp = 50; + puts (" 5.0V card found: "); + } else { + puts ("i82365: unsupported voltage key\n"); + state.Vcc = state.Vpp = 0; + } + } else { + /* No card inserted */ + puts ("No card\n"); + return 1; + } + + state.flags = SS_IOCARD | SS_OUTPUT_ENA; + state.csc_mask = 0; + state.io_irq = 0; + + i365_set_socket (&socket, &state); + + for (i = 500; i; i--) { + if ((i365_get (&socket, I365_STATUS) & I365_CS_READY)) + break; + udelay (1000); + } + + if (i == 0) { + /* PC Card not ready for data transfer */ + puts ("i82365 PC Card not ready for data transfer\n"); + return 1; + } + debug (" PC Card ready for data transfer: "); + + mem.map = 0; + mem.flags = MAP_ATTRIB | MAP_ACTIVE; + mem.speed = 300; + mem.sys_start = CFG_PCMCIA_MEM_ADDR; + mem.sys_stop = CFG_PCMCIA_MEM_ADDR + CFG_PCMCIA_MEM_SIZE - 1; + mem.card_start = 0; + i365_set_mem_map (&socket, &mem); + + io.map = 0; + io.flags = MAP_AUTOSZ | MAP_ACTIVE; + io.speed = 0; + io.start = 0x0100; + io.stop = 0x010F; + i365_set_io_map (&socket, &io); + +#ifdef DEBUG + i82365_dump_regions (socket.dev); +#endif + + return 0; +} + +void i82365_exit (void) +{ + io.map = 0; + io.flags = 0; + io.speed = 0; + io.start = 0; + io.stop = 0x1; + + i365_set_io_map (&socket, &io); + + mem.map = 0; + mem.flags = 0; + mem.speed = 0; + mem.sys_start = 0; + mem.sys_stop = 0x1000; + mem.card_start = 0; + + i365_set_mem_map (&socket, &mem); + + socket.state.sysctl &= 0xFFFF00FF; + + state.Vcc = state.Vpp = 0; + + i365_set_socket (&socket, &state); +} + +int pcmcia_on (void) +{ + u_int rc; + + debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); + + rc = i82365_init(); + if (rc) + goto exit; + + rc = check_ide_device(0); + if (rc == 0) + goto exit; + + i82365_exit(); + +exit: + return rc; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_off (void) +{ + printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); + + i82365_exit(); + + return 0; +} +#endif + +/*====================================================================== + + Debug stuff + +======================================================================*/ + +#ifdef DEBUG +static void i82365_dump_regions (pci_dev_t dev) +{ + u_int tmp[2]; + u_int *mem = (void *) socket.cb_phys; + u_char *cis = (void *) CFG_PCMCIA_MEM_ADDR; + u_char *ide = (void *) (CFG_ATA_BASE_ADDR + CFG_ATA_REG_OFFSET); + + pci_read_config_dword (dev, 0x00, tmp + 0); + pci_read_config_dword (dev, 0x80, tmp + 1); + + printf ("PCI CONF: %08X ... %08X\n", + tmp[0], tmp[1]); + printf ("PCI MEM: ... %08X ... %08X\n", + mem[0x8 / 4], mem[0x800 / 4]); + printf ("CIS: ...%c%c%c%c%c%c%c%c...\n", + cis[0x38], cis[0x3a], cis[0x3c], cis[0x3e], + cis[0x40], cis[0x42], cis[0x44], cis[0x48]); + printf ("CIS CONF: %02X %02X %02X ...\n", + cis[0x200], cis[0x202], cis[0x204]); + printf ("IDE: %02X %02X %02X %02X %02X %02X %02X %02X\n", + ide[0], ide[1], ide[2], ide[3], + ide[4], ide[5], ide[6], ide[7]); +} +#endif /* DEBUG */ + +#endif /* CONFIG_I82365 */ diff --git a/board/c2mon/Makefile b/board/c2mon/Makefile index 7a2014d..7b2b545 100644 --- a/board/c2mon/Makefile +++ b/board/c2mon/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o +OBJS = $(BOARD).o flash.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/c2mon/pcmcia.c b/board/c2mon/pcmcia.c new file mode 100644 index 0000000..5e50c4d --- /dev/null +++ b/board/c2mon/pcmcia.c @@ -0,0 +1,284 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "C2MON" + +static void cfg_ports (void) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + ushort sreg; + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* + * Configure Port C for TPS2211 PC-Card Power-Interface Switch + * + * Switch off all voltages, assert shutdown + */ + sreg = immap->im_ioport.iop_pcdat; + sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1); /* VAVPP => Hi-Z */ + sreg &= ~(TPS2211_VCCD0 | TPS2211_VCCD1); /* 3V and 5V off */ + immap->im_ioport.iop_pcdat = sreg; + + immap->im_ioport.iop_pcpar &= ~(TPS2211_OUTPUTS); + immap->im_ioport.iop_pcdir |= TPS2211_OUTPUTS; + + debug ("Set Port C: PAR: %04x DIR: %04x DAT: %04x\n", + immap->im_ioport.iop_pcpar, + immap->im_ioport.iop_pcdir, + immap->im_ioport.iop_pcdat); + + /* + * Configure Port B for TPS2211 PC-Card Power-Interface Switch + * + * Over-Current Input only + */ + cp->cp_pbpar &= ~(TPS2211_INPUTS); + cp->cp_pbdir &= ~(TPS2211_INPUTS); + + debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", + cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); +} + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, pipr, mask; + ushort sreg; + int i; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ + cfg_ports (); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + pipr = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + pipr, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + + sreg = immap->im_ioport.iop_pcdat; + if ((pipr & mask) == mask) { + sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1 | /* VAVPP => Hi-Z */ + TPS2211_VCCD1); /* 5V on */ + sreg &= ~(TPS2211_VCCD0); /* 3V off */ + puts (" 5.0V card found: "); + } else { + sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1 | /* VAVPP => Hi-Z */ + TPS2211_VCCD0); /* 3V on */ + sreg &= ~(TPS2211_VCCD1); /* 5V off */ + puts (" 3.3V card found: "); + } + + debug ("\nPC DAT: %04x -> 3.3V %s 5.0V %s\n", + sreg, + ( (sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) ? "on" : "off", + (!(sreg & TPS2211_VCCD0) && (sreg & TPS2211_VCCD1)) ? "on" : "off" + ); + + immap->im_ioport.iop_pcdat = sreg; + + /* Wait 500 ms; use this to check for over-current */ + for (i=0; i<5000; ++i) { + if ((cp->cp_pbdat & TPS2211_OC) == 0) { + printf (" *** Overcurrent - Safety shutdown ***\n"); + immap->im_ioport.iop_pcdat &= ~(TPS2211_VCCD0|TPS2211_VCCD1); + return (1); + } + udelay (100); + } + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + /* ALl voltages off / Hi-Z */ + immap->im_ioport.iop_pcdat |= (TPS2211_VPPD0 | TPS2211_VPPD1 | + TPS2211_VCCD0 | TPS2211_VCCD1 ); + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + ushort sreg; + + debug ("voltage_set: " + PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Configure Port C pins for + * 5 Volts Enable and 3 Volts enable, + * Turn all power pins to Hi-Z + */ + debug ("PCMCIA power OFF\n"); + cfg_ports (); /* Enables switch, but all in Hi-Z */ + + sreg = immap->im_ioport.iop_pcdat; + sreg |= TPS2211_VPPD0 | TPS2211_VPPD1; /* VAVPP always Hi-Z */ + + switch(vcc) { + case 0: break; /* Switch off */ + case 33: sreg |= TPS2211_VCCD0; /* Switch on 3.3V */ + sreg &= ~TPS2211_VCCD1; + break; + case 50: sreg &= ~TPS2211_VCCD0; /* Switch on 5.0V */ + sreg |= TPS2211_VCCD1; + break; + default: goto done; + } + + /* Checking supported voltages */ + + debug ("PIPR: 0x%x --> %s\n", + pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + + immap->im_ioport.iop_pcdat = sreg; + +#ifdef DEBUG +{ + char *s; + + if ((sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) { + s = "at 3.3V"; + } else if (!(sreg & TPS2211_VCCD0) && (sreg & TPS2211_VCCD1)) { + s = "at 5.0V"; + } else { + s = "down"; + } + printf ("PCMCIA powered %s\n", s); +} +#endif + +done: + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CONFIG_PCMCIA */ diff --git a/board/cpc45/pd67290.c b/board/cpc45/pd67290.c index c84fbae..6ca3e7b 100644 --- a/board/cpc45/pd67290.c +++ b/board/cpc45/pd67290.c @@ -1,4 +1,6 @@ -/* pd67290.c - system configuration module for SPD67290 +/* + * (C) Copyright 2003-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. @@ -18,51 +20,799 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * - * (C) 2004 DENX Software Engineering, Heiko Schocher <hs@denx.de> + ******************************************************************** + * + * Lots of code copied from: + * + * i82365.c 1.352 - Linux driver for Intel 82365 and compatible + * PC Card controllers, and Yenta-compatible PCI-to-CardBus controllers. + * (C) 1999 David A. Hinds <dahinds@users.sourceforge.net> */ #include <common.h> -#include <malloc.h> -#include <net.h> -#include <asm/io.h> + +#ifdef CONFIG_I82365 + +#include <command.h> #include <pci.h> +#include <pcmcia.h> +#include <asm/io.h> -/* imports */ -#include <mpc824x.h> +#include <pcmcia/ss.h> +#include <pcmcia/i82365.h> +#include <pcmcia/yenta.h> +#include <pcmcia/cirrus.h> static struct pci_device_id supported[] = { {PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6729}, - {} + {0, 0} +}; + +#define CYCLE_TIME 120 + +#ifdef DEBUG +static void i82365_dump_regions (pci_dev_t dev); +#endif + +typedef struct socket_info_t { + pci_dev_t dev; + u_short bcr; + u_char pci_lat, cb_lat, sub_bus, cache; + u_int cb_phys; + + socket_cap_t cap; + u_short type; + u_int flags; + cirrus_state_t c_state; +} socket_info_t; + +/* These definitions must match the pcic table! */ +typedef enum pcic_id { + IS_PD6710, IS_PD672X, IS_VT83C469 +} pcic_id; + +typedef struct pcic_t { + char *name; +} pcic_t; + +static pcic_t pcic[] = { + {" Cirrus PD6710: "}, + {" Cirrus PD672x: "}, + {" VIA VT83C469: "}, }; -/*************************************************************************** -* -* SPD67290Init - -* -* RETURNS: -1 on error, 0 if OK -*/ +static socket_info_t socket; +static socket_state_t state; +static struct pccard_mem_map mem; +static struct pccard_io_map io; -int SPD67290Init (void) +/*====================================================================*/ + +/* Some PCI shortcuts */ + +static int pci_readb (socket_info_t * s, int r, u_char * v) +{ + return pci_read_config_byte (s->dev, r, v); +} +static int pci_writeb (socket_info_t * s, int r, u_char v) +{ + return pci_write_config_byte (s->dev, r, v); +} +static int pci_readw (socket_info_t * s, int r, u_short * v) +{ + return pci_read_config_word (s->dev, r, v); +} +static int pci_writew (socket_info_t * s, int r, u_short v) { - pci_dev_t devno; - int idx = 0; /* general index */ - ulong membaseCsr; /* base address of device memory space */ + return pci_write_config_word (s->dev, r, v); +} - /* find PD67290 device */ - if ((devno = pci_find_devices (supported, idx++)) < 0) { - printf ("No PD67290 device found !!\n"); +/*====================================================================*/ + +#define cb_readb(s) readb((s)->cb_phys + 1) +#define cb_writeb(s, v) writeb(v, (s)->cb_phys) +#define cb_writeb2(s, v) writeb(v, (s)->cb_phys + 1) +#define cb_readl(s, r) readl((s)->cb_phys + (r)) +#define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r)) + + +static u_char i365_get (socket_info_t * s, u_short reg) +{ + u_char val; +#ifdef CONFIG_PCMCIA_SLOT_A + int slot = 0; +#else + int slot = 1; +#endif + + val = I365_REG (slot, reg); + + cb_writeb (s, val); + val = cb_readb (s); + + debug ("i365_get slot:%x reg: %x val: %x\n", slot, reg, val); + return val; +} + +static void i365_set (socket_info_t * s, u_short reg, u_char data) +{ +#ifdef CONFIG_PCMCIA_SLOT_A + int slot = 0; +#else + int slot = 1; +#endif + u_char val; + + val = I365_REG (slot, reg); + + cb_writeb (s, val); + cb_writeb2 (s, data); + + debug ("i365_set slot:%x reg: %x data:%x\n", slot, reg, data); +} + +static void i365_bset (socket_info_t * s, u_short reg, u_char mask) +{ + i365_set (s, reg, i365_get (s, reg) | mask); +} + +static void i365_bclr (socket_info_t * s, u_short reg, u_char mask) +{ + i365_set (s, reg, i365_get (s, reg) & ~mask); +} + +#if 0 /* not used */ +static void i365_bflip (socket_info_t * s, u_short reg, u_char mask, int b) +{ + u_char d = i365_get (s, reg); + + i365_set (s, reg, (b) ? (d | mask) : (d & ~mask)); +} + +static u_short i365_get_pair (socket_info_t * s, u_short reg) +{ + return (i365_get (s, reg) + (i365_get (s, reg + 1) << 8)); +} +#endif /* not used */ + +static void i365_set_pair (socket_info_t * s, u_short reg, u_short data) +{ + i365_set (s, reg, data & 0xff); + i365_set (s, reg + 1, data >> 8); +} + +/*====================================================================== + + Code to save and restore global state information for Cirrus + PD67xx controllers, and to set and report global configuration + options. + +======================================================================*/ + +#define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b)))) + +static void cirrus_get_state (socket_info_t * s) +{ + int i; + cirrus_state_t *p = &s->c_state; + + p->misc1 = i365_get (s, PD67_MISC_CTL_1); + p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); + p->misc2 = i365_get (s, PD67_MISC_CTL_2); + for (i = 0; i < 6; i++) + p->timer[i] = i365_get (s, PD67_TIME_SETUP (0) + i); + +} + +static void cirrus_set_state (socket_info_t * s) +{ + int i; + u_char misc; + cirrus_state_t *p = &s->c_state; + + misc = i365_get (s, PD67_MISC_CTL_2); + i365_set (s, PD67_MISC_CTL_2, p->misc2); + if (misc & PD67_MC2_SUSPEND) + udelay (50000); + misc = i365_get (s, PD67_MISC_CTL_1); + misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); + i365_set (s, PD67_MISC_CTL_1, misc | p->misc1); + for (i = 0; i < 6; i++) + i365_set (s, PD67_TIME_SETUP (0) + i, p->timer[i]); +} + +static u_int cirrus_set_opts (socket_info_t * s) +{ + cirrus_state_t *p = &s->c_state; + u_int mask = 0xffff; +#if DEBUG + char buf[200]; + + memset (buf, 0, 200); +#endif + + if (has_ring == -1) + has_ring = 1; + flip (p->misc2, PD67_MC2_IRQ15_RI, has_ring); + flip (p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode); +#if DEBUG + if (p->misc2 & PD67_MC2_IRQ15_RI) + strcat (buf, " [ring]"); + if (p->misc2 & PD67_MC2_DYNAMIC_MODE) + strcat (buf, " [dyn mode]"); + if (p->misc1 & PD67_MC1_INPACK_ENA) + strcat (buf, " [inpack]"); +#endif + + if (p->misc2 & PD67_MC2_IRQ15_RI) + mask &= ~0x8000; + if (has_led > 0) { +#if DEBUG + strcat (buf, " [led]"); +#endif + mask &= ~0x1000; + } + if (has_dma > 0) { +#if DEBUG + strcat (buf, " [dma]"); +#endif + mask &= ~0x0600; + flip (p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass); +#if DEBUG + if (p->misc2 & PD67_MC2_FREQ_BYPASS) + strcat (buf, " [freq bypass]"); +#endif + } + + if (setup_time >= 0) + p->timer[0] = p->timer[3] = setup_time; + if (cmd_time > 0) { + p->timer[1] = cmd_time; + p->timer[4] = cmd_time * 2 + 4; + } + if (p->timer[1] == 0) { + p->timer[1] = 6; + p->timer[4] = 16; + if (p->timer[0] == 0) + p->timer[0] = p->timer[3] = 1; + } + if (recov_time >= 0) + p->timer[2] = p->timer[5] = recov_time; + + debug ("i82365 Opt: %s [%d/%d/%d] [%d/%d/%d]\n", + buf, + p->timer[0], p->timer[1], p->timer[2], + p->timer[3], p->timer[4], p->timer[5]); + + return mask; +} + +/*====================================================================== + + Routines to handle common CardBus options + +======================================================================*/ + +/* Default settings for PCI command configuration register */ +#define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \ + PCI_COMMAND_MASTER|PCI_COMMAND_WAIT) + +static void cb_get_state (socket_info_t * s) +{ + pci_readb (s, PCI_CACHE_LINE_SIZE, &s->cache); + pci_readb (s, PCI_LATENCY_TIMER, &s->pci_lat); + pci_readb (s, CB_LATENCY_TIMER, &s->cb_lat); + pci_readb (s, CB_CARDBUS_BUS, &s->cap.cardbus); + pci_readb (s, CB_SUBORD_BUS, &s->sub_bus); + pci_readw (s, CB_BRIDGE_CONTROL, &s->bcr); +} + +static void cb_set_state (socket_info_t * s) +{ + pci_writew (s, PCI_COMMAND, CMD_DFLT); + pci_writeb (s, PCI_CACHE_LINE_SIZE, s->cache); + pci_writeb (s, PCI_LATENCY_TIMER, s->pci_lat); + pci_writeb (s, CB_LATENCY_TIMER, s->cb_lat); + pci_writeb (s, CB_CARDBUS_BUS, s->cap.cardbus); + pci_writeb (s, CB_SUBORD_BUS, s->sub_bus); + pci_writew (s, CB_BRIDGE_CONTROL, s->bcr); +} + +static void cb_set_opts (socket_info_t * s) +{ +} + +/*====================================================================== + + Power control for Cardbus controllers: used both for 16-bit and + Cardbus cards. + +======================================================================*/ + +static int cb_set_power (socket_info_t * s, socket_state_t * state) +{ + u_int reg = 0; + + reg = I365_PWR_NORESET; + if (state->flags & SS_PWR_AUTO) + reg |= I365_PWR_AUTO; + if (state->flags & SS_OUTPUT_ENA) + reg |= I365_PWR_OUT; + if (state->Vpp != 0) { + if (state->Vpp == 120) { + reg |= I365_VPP1_12V; + puts (" 12V card found: "); + } else if (state->Vpp == state->Vcc) { + reg |= I365_VPP1_5V; + } else { + puts (" power not found: "); + return -1; + } + } + if (state->Vcc != 0) { + reg |= I365_VCC_5V; + if (state->Vcc == 33) { + puts (" 3.3V card found: "); + i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } else if (state->Vcc == 50) { + puts (" 5V card found: "); + i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } else { + puts (" power not found: "); + return -1; + } + } + + if (reg != i365_get (s, I365_POWER)) { + reg = (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V); + i365_set (s, I365_POWER, reg); + } + + return 0; +} + +/*====================================================================== + + Generic routines to get and set controller options + +======================================================================*/ + +static void get_bridge_state (socket_info_t * s) +{ + cirrus_get_state (s); + cb_get_state (s); +} + +static void set_bridge_state (socket_info_t * s) +{ + cb_set_state (s); + i365_set (s, I365_GBLCTL, 0x00); + i365_set (s, I365_GENCTL, 0x00); + cirrus_set_state (s); +} + +static void set_bridge_opts (socket_info_t * s) +{ + cirrus_set_opts (s); + cb_set_opts (s); +} + +/*====================================================================*/ +#define PD67_EXT_INDEX 0x2e /* Extension index */ +#define PD67_EXT_DATA 0x2f /* Extension data */ +#define PD67_EXD_VS1(s) (0x01 << ((s)<<1)) + +#define pd67_ext_get(s, r) \ + (i365_set(s, PD67_EXT_INDEX, r), i365_get(s, PD67_EXT_DATA)) + +static int i365_get_status (socket_info_t * s, u_int * value) +{ + u_int status; + u_char val; + u_char power, vcc, vpp; + u_int powerstate; + + status = i365_get (s, I365_IDENT); + status = i365_get (s, I365_STATUS); + *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; + if (i365_get (s, I365_INTCTL) & I365_PC_IOCARD) { + *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; + } else { + *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; + *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; + } + *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; + *value |= (status & I365_CS_READY) ? SS_READY : 0; + *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0; + + /* Check for Cirrus CL-PD67xx chips */ + i365_set (s, PD67_CHIP_INFO, 0); + val = i365_get (s, PD67_CHIP_INFO); + s->type = -1; + if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) { + val = i365_get (s, PD67_CHIP_INFO); + if ((val & PD67_INFO_CHIP_ID) == 0) { + s->type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710; + i365_set (s, PD67_EXT_INDEX, 0xe5); + if (i365_get (s, PD67_EXT_INDEX) != 0xe5) + s->type = IS_VT83C469; + } + } else { + printf ("no Cirrus Chip found\n"); + *value = 0; return -1; } - /* - 0xfe000000 see MPC 8245 Users Manual Adress Map B */ - membaseCsr = PCMCIA_IO_BASE - 0xfe000000; + + power = i365_get (s, I365_POWER); + state.flags |= (power & I365_PWR_AUTO) ? SS_PWR_AUTO : 0; + state.flags |= (power & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0; + vcc = power & I365_VCC_MASK; + vpp = power & I365_VPP1_MASK; + state.Vcc = state.Vpp = 0; + if((vcc== 0) || (vpp == 0)) { + /* + * On the Cirrus we get the info which card voltage + * we have in EXTERN DATA and write it to MISC_CTL1 + */ + powerstate = pd67_ext_get(s, PD67_EXTERN_DATA); + if (powerstate & PD67_EXD_VS1(0)) { + /* 5V Card */ + i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } else { + /* 3.3V Card */ + i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } + i365_set (s, I365_POWER, (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V)); + power = i365_get (s, I365_POWER); + } + if (power & I365_VCC_5V) { + state.Vcc = (i365_get(s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) ? 33 : 50; + } + + if (power == I365_VPP1_12V) + state.Vpp = 120; + + /* IO card, RESET flags, IO interrupt */ + power = i365_get (s, I365_INTCTL); + state.flags |= (power & I365_PC_RESET) ? 0 : SS_RESET; + if (power & I365_PC_IOCARD) + state.flags |= SS_IOCARD; + state.io_irq = power & I365_IRQ_MASK; + + /* Card status change mask */ + power = i365_get (s, I365_CSCINT); + state.csc_mask = (power & I365_CSC_DETECT) ? SS_DETECT : 0; + if (state.flags & SS_IOCARD) + state.csc_mask |= (power & I365_CSC_STSCHG) ? SS_STSCHG : 0; + else { + state.csc_mask |= (power & I365_CSC_BVD1) ? SS_BATDEAD : 0; + state.csc_mask |= (power & I365_CSC_BVD2) ? SS_BATWARN : 0; + state.csc_mask |= (power & I365_CSC_READY) ? SS_READY : 0; + } + debug ("i82365: GetStatus(0) = flags %#3.3x, Vcc %d, Vpp %d, " + "io_irq %d, csc_mask %#2.2x\n", state.flags, + state.Vcc, state.Vpp, state.io_irq, state.csc_mask); + + return 0; +} /* i365_get_status */ + +static int i365_set_socket (socket_info_t * s, socket_state_t * state) +{ + u_char reg; + + set_bridge_state (s); + + /* IO card, RESET flag */ + reg = 0; + reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; + reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; + i365_set (s, I365_INTCTL, reg); + + cb_set_power (s, state); + +#if 0 + /* Card status change interrupt mask */ + reg = s->cs_irq << 4; + if (state->csc_mask & SS_DETECT) + reg |= I365_CSC_DETECT; + if (state->flags & SS_IOCARD) { + if (state->csc_mask & SS_STSCHG) + reg |= I365_CSC_STSCHG; + } else { + if (state->csc_mask & SS_BATDEAD) + reg |= I365_CSC_BVD1; + if (state->csc_mask & SS_BATWARN) + reg |= I365_CSC_BVD2; + if (state->csc_mask & SS_READY) + reg |= I365_CSC_READY; + } + i365_set (s, I365_CSCINT, reg); + i365_get (s, I365_CSC); +#endif /* 0 */ + + return 0; +} /* i365_set_socket */ + +/*====================================================================*/ + +static int i365_set_mem_map (socket_info_t * s, struct pccard_mem_map *mem) +{ + u_short base, i; + u_char map; + + debug ("i82365: SetMemMap(%d, %#2.2x, %d ns, %#5.5lx-%#5.5lx, %#5.5x)\n", + mem->map, mem->flags, mem->speed, + mem->sys_start, mem->sys_stop, mem->card_start); + + map = mem->map; + if ((map > 4) || + (mem->card_start > 0x3ffffff) || + (mem->sys_start > mem->sys_stop) || + (mem->speed > 1000)) { + return -1; + } + + /* Turn off the window before changing anything */ + if (i365_get (s, I365_ADDRWIN) & I365_ENA_MEM (map)) + i365_bclr (s, I365_ADDRWIN, I365_ENA_MEM (map)); + + /* Take care of high byte, for PCI controllers */ + i365_set (s, CB_MEM_PAGE (map), mem->sys_start >> 24); + + base = I365_MEM (map); + i = (mem->sys_start >> 12) & 0x0fff; + if (mem->flags & MAP_16BIT) + i |= I365_MEM_16BIT; + if (mem->flags & MAP_0WS) + i |= I365_MEM_0WS; + i365_set_pair (s, base + I365_W_START, i); + + i = (mem->sys_stop >> 12) & 0x0fff; + switch (mem->speed / CYCLE_TIME) { + case 0: + break; + case 1: + i |= I365_MEM_WS0; + break; + case 2: + i |= I365_MEM_WS1; + break; + default: + i |= I365_MEM_WS1 | I365_MEM_WS0; + break; + } + i365_set_pair (s, base + I365_W_STOP, i); + + i = 0; + if (mem->flags & MAP_WRPROT) + i |= I365_MEM_WRPROT; + if (mem->flags & MAP_ATTRIB) + i |= I365_MEM_REG; + i365_set_pair (s, base + I365_W_OFF, i); + + /* set System Memory map Upper Adress */ + i365_set(s, PD67_EXT_INDEX, PD67_MEM_PAGE(map)); + i365_set(s, PD67_EXT_DATA, ((mem->sys_start >> 24) & 0xff)); + + /* Turn on the window if necessary */ + if (mem->flags & MAP_ACTIVE) + i365_bset (s, I365_ADDRWIN, I365_ENA_MEM (map)); + return 0; +} /* i365_set_mem_map */ + +static int i365_set_io_map (socket_info_t * s, struct pccard_io_map *io) +{ + u_char map, ioctl; + + map = io->map; + /* comment out: comparison is always false due to limited range of data type */ + if ((map > 1) || /* (io->start > 0xffff) || (io->stop > 0xffff) || */ + (io->stop < io->start)) + return -1; + /* Turn off the window before changing anything */ + if (i365_get (s, I365_ADDRWIN) & I365_ENA_IO (map)) + i365_bclr (s, I365_ADDRWIN, I365_ENA_IO (map)); + i365_set_pair (s, I365_IO (map) + I365_W_START, io->start); + i365_set_pair (s, I365_IO (map) + I365_W_STOP, io->stop); + ioctl = i365_get (s, I365_IOCTL) & ~I365_IOCTL_MASK (map); + if (io->speed) + ioctl |= I365_IOCTL_WAIT (map); + if (io->flags & MAP_0WS) + ioctl |= I365_IOCTL_0WS (map); + if (io->flags & MAP_16BIT) + ioctl |= I365_IOCTL_16BIT (map); + if (io->flags & MAP_AUTOSZ) + ioctl |= I365_IOCTL_IOCS16 (map); + i365_set (s, I365_IOCTL, ioctl); + /* Turn on the window if necessary */ + if (io->flags & MAP_ACTIVE) + i365_bset (s, I365_ADDRWIN, I365_ENA_IO (map)); + return 0; +} /* i365_set_io_map */ + +/*====================================================================*/ + +/* + * PCI_ADDR = (HOST_ADDR - 0xfe000000) + * see MPC 8245 Users Manual Adress Map B + */ +#define HOST_TO_PCI(addr) ((addr) - 0xfe000000) +#define PCI_TO_HOST(addr) ((addr) + 0xfe000000) + +int i82365_init (void) +{ + u_int val; + int i; + + if ((socket.dev = pci_find_devices (supported, 0)) < 0) { + /* Controller not found */ + printf ("No PD67290 device found !!\n"); + return 1; + } + debug ("i82365 Device Found!\n"); + + socket.cb_phys = PCMCIA_IO_BASE; /* set base address */ - pci_write_config_dword (devno, PCI_BASE_ADDRESS_0, membaseCsr); + pci_write_config_dword (socket.dev, PCI_BASE_ADDRESS_0, + HOST_TO_PCI(socket.cb_phys)); /* enable mapped memory and IO addresses */ - pci_write_config_dword (devno, + pci_write_config_dword (socket.dev, PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_IO | PCI_COMMAND_WAIT); + + get_bridge_state (&socket); + set_bridge_opts (&socket); + + i = i365_get_status (&socket, &val); + + if (i > -1) { + puts (pcic[socket.type].name); + } else { + printf ("i82365: Controller not found.\n"); + return 1; + } + if((val & SS_DETECT) != SS_DETECT){ + puts ("No card\n"); + return 1; + } + + state.flags |= SS_OUTPUT_ENA; + + i365_set_socket (&socket, &state); + + for (i = 500; i; i--) { + if ((i365_get (&socket, I365_STATUS) & I365_CS_READY)) + break; + udelay (1000); + } + + if (i == 0) { + /* PC Card not ready for data transfer */ + puts ("i82365 PC Card not ready for data transfer\n"); + return 1; + } + debug (" PC Card ready for data transfer: "); + + mem.map = 0; + mem.flags = MAP_ATTRIB | MAP_ACTIVE; + mem.speed = 300; + mem.sys_start = CFG_PCMCIA_MEM_ADDR; + mem.sys_stop = CFG_PCMCIA_MEM_ADDR + CFG_PCMCIA_MEM_SIZE - 1; + mem.card_start = 0; + i365_set_mem_map (&socket, &mem); + + mem.map = 1; + mem.flags = MAP_ACTIVE; + mem.speed = 300; + mem.sys_start = CFG_PCMCIA_MEM_ADDR + CFG_PCMCIA_MEM_SIZE; + mem.sys_stop = CFG_PCMCIA_MEM_ADDR + (2 * CFG_PCMCIA_MEM_SIZE) - 1; + mem.card_start = 0; + i365_set_mem_map (&socket, &mem); + +#ifdef DEBUG + i82365_dump_regions (socket.dev); +#endif + return 0; } + +void i82365_exit (void) +{ + io.map = 0; + io.flags = 0; + io.speed = 0; + io.start = 0; + io.stop = 0x1; + + i365_set_io_map (&socket, &io); + + mem.map = 0; + mem.flags = 0; + mem.speed = 0; + mem.sys_start = 0; + mem.sys_stop = 0x1000; + mem.card_start = 0; + + i365_set_mem_map (&socket, &mem); + + mem.map = 1; + mem.flags = 0; + mem.speed = 0; + mem.sys_start = 0; + mem.sys_stop = 0x1000; + mem.card_start = 0; + + i365_set_mem_map (&socket, &mem); + + state.Vcc = state.Vpp = 0; + + i365_set_socket (&socket, &state); +} + +int pcmcia_on (void) +{ + u_int rc; + + debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); + + rc = i82365_init(); + if (rc) + goto exit; + + rc = check_ide_device(0); + if (rc == 0) + goto exit; + + i82365_exit(); + +exit: + return rc; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_off (void) +{ + printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); + + i82365_exit(); + + return 0; +} +#endif + +/*====================================================================== + + Debug stuff + +======================================================================*/ + +#ifdef DEBUG +static void i82365_dump_regions (pci_dev_t dev) +{ + u_int tmp[2]; + u_int *mem = (void *) socket.cb_phys; + u_char *cis = (void *) CFG_PCMCIA_MEM_ADDR; + u_char *ide = (void *) (CFG_ATA_BASE_ADDR + CFG_ATA_REG_OFFSET); + + pci_read_config_dword (dev, 0x00, tmp + 0); + pci_read_config_dword (dev, 0x80, tmp + 1); + + printf ("PCI CONF: %08X ... %08X\n", + tmp[0], tmp[1]); + printf ("PCI MEM: ... %08X ... %08X\n", + mem[0x8 / 4], mem[0x800 / 4]); + printf ("CIS: ...%c%c%c%c%c%c%c%c...\n", + cis[0x38], cis[0x3a], cis[0x3c], cis[0x3e], + cis[0x40], cis[0x42], cis[0x44], cis[0x48]); + printf ("CIS CONF: %02X %02X %02X ...\n", + cis[0x200], cis[0x202], cis[0x204]); + printf ("IDE: %02X %02X %02X %02X %02X %02X %02X %02X\n", + ide[0], ide[1], ide[2], ide[3], + ide[4], ide[5], ide[6], ide[7]); +} +#endif /* DEBUG */ + +#endif /* CONFIG_I82365 */ diff --git a/board/fads/Makefile b/board/fads/Makefile index baa6c2e..7fc88ee 100644 --- a/board/fads/Makefile +++ b/board/fads/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o lamp.o +OBJS = $(BOARD).o flash.o lamp.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/fads/pcmcia.c b/board/fads/pcmcia.c new file mode 100644 index 0000000..978c16b --- /dev/null +++ b/board/fads/pcmcia.c @@ -0,0 +1,84 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#ifdef CONFIG_ADS +#define PCMCIA_BOARD_MSG "ADS" +#else +#define PCMCIA_BOARD_MSG "FADS" +#endif + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + u_long reg = 0; + + switch(vpp) { + case 0: reg = 0; break; + case 50: reg = 1; break; + case 120: reg = 2; break; + default: return 1; + } + + switch(vcc) { + case 0: reg = 0; break; +#ifdef CONFIG_ADS + case 50: reg = BCSR1_PCCVCCON; break; +#endif +#ifdef CONFIG_FADS + case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break; + case 50: reg = BCSR1_PCCVCC1; break; +#endif + default: return 1; + } + + /* first, turn off all power */ + +#ifdef CONFIG_ADS + *((uint *)BCSR1) |= BCSR1_PCCVCCON; +#endif +#ifdef CONFIG_FADS + *((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1); +#endif + *((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK; + + /* enable new powersettings */ + +#ifdef CONFIG_ADS + *((uint *)BCSR1) &= ~reg; +#endif +#ifdef CONFIG_FADS + *((uint *)BCSR1) |= reg; +#endif + + *((uint *)BCSR1) |= reg << 20; + + return 0; +} + +int pcmcia_hardware_enable(int slot) +{ + *((uint *)BCSR1) &= ~BCSR1_PCCEN; + return 0; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + *((uint *)BCSR1) &= ~BCSR1_PCCEN; + return 0; +} +#endif /* CFG_CMD_PCMCIA */ + +#endif /* CONFIG_PCMCIA */ diff --git a/board/gth/Makefile b/board/gth/Makefile index e14c12e..48f74cd 100644 --- a/board/gth/Makefile +++ b/board/gth/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o ee_access.o +OBJS = $(BOARD).o flash.o ee_access.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/gth/pcmcia.c b/board/gth/pcmcia.c new file mode 100644 index 0000000..fce5492 --- /dev/null +++ b/board/gth/pcmcia.c @@ -0,0 +1,93 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "GTH COMPACT FLASH" + +int pcmcia_voltage_set (int slot, int vcc, int vpp) +{ /* Do nothing */ + return 0; +} + +int pcmcia_hardware_enable (int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, mask; + + debug ("hardware_enable: GTH Slot %c\n", 'A' + slot); + + immap = (immap_t *) CFG_IMMR; + sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm)); + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX (_slot_) = reg; + udelay (500); + + /* + * Make sure there is a card in the slot, + * then configure the interface. + */ + udelay (10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__, __FUNCTION__, + &(pcmp->pcmc_pipr), pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & 0x98000000) { + printf (" No Card found\n"); + return (1); + } + + mask = PCMCIA_VS1 (slot) | PCMCIA_VS2 (slot); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + reg, + (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", + (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX (_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX (_slot_) = reg; + + udelay (250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return 0; +} +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + return 0; /* No hardware to disable */ +} +#endif + +#endif /* CONFIG_PCMCIA */ diff --git a/board/icu862/Makefile b/board/icu862/Makefile index 7a2014d..7b2b545 100644 --- a/board/icu862/Makefile +++ b/board/icu862/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o +OBJS = $(BOARD).o flash.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/icu862/pcmcia.c b/board/icu862/pcmcia.c new file mode 100644 index 0000000..20f653b --- /dev/null +++ b/board/icu862/pcmcia.c @@ -0,0 +1,268 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "ICU862" + +static void cfg_port_B (void) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + uint reg; + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* + * Configure Port B for TPS2205 PC-Card Power-Interface Switch + * + * Switch off all voltages, assert shutdown + */ + reg = cp->cp_pbdat; + reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ + TPS2205_VCC3 | TPS2205_VCC5 | /* VAVCC => Hi-Z */ + TPS2205_SHDN); /* enable switch */ + cp->cp_pbdat = reg; + + cp->cp_pbpar &= ~(TPS2205_INPUTS | TPS2205_OUTPUTS); + + reg = cp->cp_pbdir & ~(TPS2205_INPUTS); + cp->cp_pbdir = reg | TPS2205_OUTPUTS; + + debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", + cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); +} + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, pipr, mask; + int i; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* Configure Port B for TPS2205 PC-Card Power-Interface Switch */ + cfg_port_B (); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + pipr = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + pipr, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + + reg = cp->cp_pbdat; + if ((pipr & mask) == mask) { + reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ + TPS2205_VCC3); /* 3V off */ + reg &= ~(TPS2205_VCC5); /* 5V on */ + puts (" 5.0V card found: "); + } else { + reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ + TPS2205_VCC5); /* 5V off */ + reg &= ~(TPS2205_VCC3); /* 3V on */ + puts (" 3.3V card found: "); + } + + debug ("\nPB DAT: %08x -> 3.3V %s 5.0V %s VPP_PGM %s VPP_VCC %s\n", + reg, + (reg & TPS2205_VCC3) ? "off" : "on", + (reg & TPS2205_VCC5) ? "off" : "on", + (reg & TPS2205_VPP_PGM) ? "off" : "on", + (reg & TPS2205_VPP_VCC) ? "off" : "on" ); + + cp->cp_pbdat = reg; + + /* Wait 500 ms; use this to check for over-current */ + for (i=0; i<5000; ++i) { + if ((cp->cp_pbdat & TPS2205_OC) == 0) { + printf (" *** Overcurrent - Safety shutdown ***\n"); + cp->cp_pbdat &= ~(TPS2205_SHDN); + return (1); + } + udelay (100); + } + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* Shut down */ + cp->cp_pbdat &= ~(TPS2205_SHDN); + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("voltage_set: " + PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Configure Port C pins for + * 5 Volts Enable and 3 Volts enable, + * Turn all power pins to Hi-Z + */ + debug ("PCMCIA power OFF\n"); + cfg_port_B (); /* Enables switch, but all in Hi-Z */ + + reg = cp->cp_pbdat; + + switch(vcc) { + case 0: break; /* Switch off */ + case 33: reg &= ~TPS2205_VCC3; break; /* Switch on 3.3V */ + case 50: reg &= ~TPS2205_VCC5; break; /* Switch on 5.0V */ + default: goto done; + } + + /* Checking supported voltages */ + + debug ("PIPR: 0x%x --> %s\n", + pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + + cp->cp_pbdat = reg; + +#ifdef DEBUG +{ + char *s; + + if ((reg & TPS2205_VCC3) == 0) { + s = "at 3.3V"; + } else if ((reg & TPS2205_VCC5) == 0) { + s = "at 5.0V"; + } else { + s = "down"; + } + printf ("PCMCIA powered %s\n", s); +} +#endif + +done: + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CONFIG_PCMCIA */ diff --git a/board/kup/common/pcmcia.c b/board/kup/common/pcmcia.c new file mode 100644 index 0000000..1f61a0e --- /dev/null +++ b/board/kup/common/pcmcia.c @@ -0,0 +1,225 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "KUP" + +#define KUP4K_PCMCIA_B_3V3 (0x00020000) + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, mask; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(slot); + pcmp->pcmc_per &= ~PCMCIA_MASK(slot); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(slot) = reg; + udelay(2500); + + /* + * Configure Port B pins for + * 3 Volts enable + */ + if (slot) { /* Slot A is built-in */ + cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3; + cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3; + /* remove all power */ + cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */ + } + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On. + */ + printf("%s Slot %c:", slot ? "" : "\n", 'A' + slot); + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + reg, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + if ((reg & mask) == mask) { + puts (" 5.0V card found: NOT SUPPORTED !!!\n"); + } else { + if(slot) + cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3; + puts (" 3.3V card found: "); + } +#if 0 + /* VCC switch error flag, PCMCIA slot INPACK_ pin */ + cp->cp_pbdir &= ~(0x0020 | 0x0010); + cp->cp_pbpar &= ~(0x0020 | 0x0010); + udelay(500000); +#endif + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(slot); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(slot) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* remove all power */ + if (slot) + cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(slot) = reg; + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("voltage_set: " \ + PCMCIA_BOARD_MSG \ + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + if (!slot) /* Slot A is not configurable */ + return 0; + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(slot); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(slot) = reg; + udelay(500); + + debug ("PCMCIA power OFF\n"); + /* + * Configure Port B pins for + * 3 Volts enable + */ + cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3; + cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3; + /* remove all power */ + cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */ + + switch(vcc) { + case 0: break; + case 33: + cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3; + debug ("PCMCIA powered at 3.3V\n"); + break; + case 50: + debug ("PCMCIA: 5Volt vcc not supported\n"); + break; + default: + puts("PCMCIA: vcc not supported"); + break; + } + udelay(10000); + /* Checking supported voltages */ + + debug ("PIPR: 0x%x --> %s\n", + pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & (0x80000000 >> (slot << 4))) + ? "only 5 V --> NOT SUPPORTED" + : "can do 3.3V"); + + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(slot); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(slot) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CONFIG_PCMCIA */ diff --git a/board/kup/kup4k/Makefile b/board/kup/kup4k/Makefile index 62d289b..4a3954c 100644 --- a/board/kup/kup4k/Makefile +++ b/board/kup/kup4k/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o ../common/flash.o ../common/kup.o ../common/load_sernum_ethaddr.o +OBJS = $(BOARD).o ../common/flash.o ../common/kup.o ../common/load_sernum_ethaddr.o ../common/pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/kup/kup4x/Makefile b/board/kup/kup4x/Makefile index 62d289b..4a3954c 100644 --- a/board/kup/kup4x/Makefile +++ b/board/kup/kup4x/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o ../common/flash.o ../common/kup.o ../common/load_sernum_ethaddr.o +OBJS = $(BOARD).o ../common/flash.o ../common/kup.o ../common/load_sernum_ethaddr.o ../common/pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/lwmon/Makefile b/board/lwmon/Makefile index 7a2014d..7b2b545 100644 --- a/board/lwmon/Makefile +++ b/board/lwmon/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o +OBJS = $(BOARD).o flash.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/lwmon/pcmcia.c b/board/lwmon/pcmcia.c new file mode 100644 index 0000000..2349286 --- /dev/null +++ b/board/lwmon/pcmcia.c @@ -0,0 +1,240 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> +#include <i2c.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "LWMON" + +/* #define's for MAX1604 Power Switch */ +#define MAX1604_OP_SUS 0x80 +#define MAX1604_VCCBON 0x40 +#define MAX1604_VCC_35 0x20 +#define MAX1604_VCCBHIZ 0x10 +#define MAX1604_VPPBON 0x08 +#define MAX1604_VPPBPBPGM 0x04 +#define MAX1604_VPPBHIZ 0x02 +/* reserved 0x01 */ + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, mask; + uchar val; + + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + /* Switch on PCMCIA port in PIC register 0x60 */ + reg = pic_read (0x60); + debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); + reg &= ~0x10; + /* reg |= 0x08; Vpp not needed */ + pic_write (0x60, reg); +#ifdef DEBUG + reg = pic_read (0x60); + printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); +#endif + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On. + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + reg, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + if ((reg & mask) == mask) { + val = 0; /* VCCB3/5 = 0 ==> use Vx = 5.0 V */ + puts (" 5.0V card found: "); + } else { + val = MAX1604_VCC_35; /* VCCB3/5 = 1 ==> use Vy = 3.3 V */ + puts (" 3.3V card found: "); + } + + /* switch VCC on */ + val |= MAX1604_OP_SUS | MAX1604_VCCBON; + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + + udelay(500000); + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + uchar val; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* remove all power, put output in high impedance state */ + val = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + /* Switch off PCMCIA port in PIC register 0x60 */ + reg = pic_read (0x60); + debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); + reg |= 0x10; + reg &= ~0x08; + pic_write (0x60, reg); +#ifdef DEBUG + reg = pic_read (0x60); + printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); +#endif + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + uchar val; + + debug ("voltage_set: " + PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Turn off all power (switch to high impedance) + */ + debug ("PCMCIA power OFF\n"); + val = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + + val = 0; + switch(vcc) { + case 0: break; + case 33: val = MAX1604_VCC_35; break; + case 50: break; + default: goto done; + } + + /* Checking supported voltages */ + + debug ("PIPR: 0x%x --> %s\n", + pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + + i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); + if (val) { + debug ("PCMCIA powered at %sV\n", + (val & MAX1604_VCC_35) ? "3.3" : "5.0"); + } else { + debug ("PCMCIA powered down\n"); + } + +done: + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CONFIG_PCMCIA */ diff --git a/board/mbx8xx/Makefile b/board/mbx8xx/Makefile index 3e8376c..e4d1099 100644 --- a/board/mbx8xx/Makefile +++ b/board/mbx8xx/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o vpd.o +OBJS = $(BOARD).o flash.o vpd.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/mbx8xx/pcmcia.c b/board/mbx8xx/pcmcia.c new file mode 100644 index 0000000..132a688 --- /dev/null +++ b/board/mbx8xx/pcmcia.c @@ -0,0 +1,166 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#include "csr.h" + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +/* A lot of this has been taken from the RPX code in this file it works from me. + I have added the voltage selection for the MBX board. */ + +/* MBX voltage bit in control register #2 */ +#define CR2_VPP12 ((uchar)0x10) +#define CR2_VPPVDD ((uchar)0x20) +#define CR2_VDD5 ((uchar)0x40) +#define CR2_VDD3 ((uchar)0x80) + +#define PCMCIA_BOARD_MSG "MBX860" + +int pcmcia_voltage_set (int slot, int vcc, int vpp) +{ + uchar reg = 0; + + debug ("voltage_set: PCMCIA_BOARD_MSG Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A' + slot, vcc / 10, vcc % 10, vpp / 10, vcc % 10); + + switch (vcc) { + case 0: + break; + case 33: + reg |= CR2_VDD3; + break; + case 50: + reg |= CR2_VDD5; + break; + default: + return 1; + } + + switch (vpp) { + case 0: + break; + case 33: + case 50: + if (vcc == vpp) { + reg |= CR2_VPPVDD; + } else { + return 1; + } + break; + case 120: + reg |= CR2_VPP12; + break; + default: + return 1; + } + + /* first, turn off all power */ + MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL); + + /* enable new powersettings */ + MBX_CSR2 |= reg; + debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2); + + return (0); +} + +int pcmcia_hardware_enable (int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, mask; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", + 'A' + slot); + + udelay (10000); + + immap = (immap_t *) CFG_IMMR; + sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm)); + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX (_slot_) = reg; + udelay (500); + + /* remove all power */ + pcmcia_voltage_set (slot, 0, 0); + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); +#ifndef CONFIG_HMI10 + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { +#else + if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) { +#endif /* CONFIG_HMI10 */ + printf (" No Card found\n"); + return (1); + } + + /* + * Power On. + */ + mask = PCMCIA_VS1 (_slot_) | PCMCIA_VS2 (_slot_); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", reg, + (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", + (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); + + if ((reg & mask) == mask) { + pcmcia_voltage_set (_slot_, 50, 0); + printf (" 5.0V card found: "); + } else { + pcmcia_voltage_set (_slot_, 33, 0); + printf (" 3.3V card found: "); + } + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX (_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX (_slot_) = reg; + + udelay (250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); + } + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable (int slot) +{ + return 0; /* No hardware to disable */ +} +#endif /* CFG_CMD_PCMCIA */ + +#endif /* CONFIG_PCMCIA */ diff --git a/board/netta/Makefile b/board/netta/Makefile index 68e2402..ee200c2 100644 --- a/board/netta/Makefile +++ b/board/netta/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o dsp.o codec.o +OBJS = $(BOARD).o flash.o dsp.o codec.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/netta/pcmcia.c b/board/netta/pcmcia.c new file mode 100644 index 0000000..a3709f7 --- /dev/null +++ b/board/netta/pcmcia.c @@ -0,0 +1,370 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +/* some sane bit macros */ +#define _BD(_b) (1U << (31-(_b))) +#define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1)) + +#define _BW(_b) (1U << (15-(_b))) +#define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1)) + +#define _BB(_b) (1U << (7-(_b))) +#define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1)) + +#define _B(_b) _BD(_b) +#define _BR(_l, _h) _BDR(_l, _h) + +#define PCMCIA_BOARD_MSG "NETTA" + +static const unsigned short vppd_masks[2] = { _BW(14), _BW(15) }; + +static void cfg_vppd(int no) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) + return; + + mask = vppd_masks[no]; + + immap->im_ioport.iop_papar &= ~mask; + immap->im_ioport.iop_paodr &= ~mask; + immap->im_ioport.iop_padir |= mask; +} + +static void set_vppd(int no, int what) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) + return; + + mask = vppd_masks[no]; + + if (what) + immap->im_ioport.iop_padat |= mask; + else + immap->im_ioport.iop_padat &= ~mask; +} + +static const unsigned short vccd_masks[2] = { _BW(10), _BW(6) }; + +static void cfg_vccd(int no) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) + return; + + mask = vccd_masks[no]; + + immap->im_ioport.iop_papar &= ~mask; + immap->im_ioport.iop_paodr &= ~mask; + immap->im_ioport.iop_padir |= mask; +} + +static void set_vccd(int no, int what) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) + return; + + mask = vccd_masks[no]; + + if (what) + immap->im_ioport.iop_padat |= mask; + else + immap->im_ioport.iop_padat &= ~mask; +} + +static const unsigned short oc_mask = _BW(8); + +static void cfg_oc(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask = oc_mask; + + immap->im_ioport.iop_pcdir &= ~mask; + immap->im_ioport.iop_pcso &= ~mask; + immap->im_ioport.iop_pcint &= ~mask; + immap->im_ioport.iop_pcpar &= ~mask; +} + +static int get_oc(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask = oc_mask; + int what; + + what = !!(immap->im_ioport.iop_pcdat & mask);; + return what; +} + +static const unsigned short shdn_mask = _BW(12); + +static void cfg_shdn(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + mask = shdn_mask; + + immap->im_ioport.iop_papar &= ~mask; + immap->im_ioport.iop_paodr &= ~mask; + immap->im_ioport.iop_padir |= mask; +} + +static void set_shdn(int what) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + mask = shdn_mask; + + if (what) + immap->im_ioport.iop_padat |= mask; + else + immap->im_ioport.iop_padat &= ~mask; +} + +static void cfg_ports (void) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + + cfg_vppd(0); cfg_vppd(1); /* VPPD0,VPPD1 VAVPP => Hi-Z */ + cfg_vccd(0); cfg_vccd(1); /* 3V and 5V off */ + cfg_shdn(); + cfg_oc(); + + /* + * Configure Port A for TPS2211 PC-Card Power-Interface Switch + * + * Switch off all voltages, assert shutdown + */ + set_vppd(0, 1); set_vppd(1, 1); + set_vccd(0, 0); set_vccd(1, 0); + set_shdn(1); + + udelay(100000); +} + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, pipr, mask; + int i; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ + cfg_ports (); + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(500); + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + pipr = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + pipr, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + + if ((pipr & mask) == mask) { + set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ + set_vccd(0, 0); set_vccd(1, 1); /* 5V on, 3V off */ + puts (" 5.0V card found: "); + } else { + set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ + set_vccd(0, 1); set_vccd(1, 0); /* 5V off, 3V on */ + puts (" 3.3V card found: "); + } + + /* Wait 500 ms; use this to check for over-current */ + for (i=0; i<5000; ++i) { + if (!get_oc()) { + printf (" *** Overcurrent - Safety shutdown ***\n"); + set_vccd(0, 0); set_vccd(1, 0); /* VAVPP => Hi-Z */ + return (1); + } + udelay (100); + } + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + /* All voltages off / Hi-Z */ + set_vppd(0, 1); set_vppd(1, 1); + set_vccd(0, 1); set_vccd(1, 1); + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + ushort sreg; + + debug ("voltage_set: " + PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Configure Port C pins for + * 5 Volts Enable and 3 Volts enable, + * Turn all power pins to Hi-Z + */ + debug ("PCMCIA power OFF\n"); + cfg_ports (); /* Enables switch, but all in Hi-Z */ + + sreg = immap->im_ioport.iop_pcdat; + set_vppd(0, 1); set_vppd(1, 1); + + switch(vcc) { + case 0: + break; /* Switch off */ + + case 33: + set_vccd(0, 1); set_vccd(1, 0); + break; + + case 50: + set_vccd(0, 0); set_vccd(1, 1); + break; + + default: + goto done; + } + + /* Checking supported voltages */ + + debug ("PIPR: 0x%x --> %s\n", + pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + +done: + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CONFIG_PCMCIA */ diff --git a/board/r360mpi/Makefile b/board/r360mpi/Makefile index 13ce9fc..1a7e7a6 100644 --- a/board/r360mpi/Makefile +++ b/board/r360mpi/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS = $(BOARD).o flash.o +OBJS = $(BOARD).o flash.o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/r360mpi/pcmcia.c b/board/r360mpi/pcmcia.c new file mode 100644 index 0000000..7d34ac8 --- /dev/null +++ b/board/r360mpi/pcmcia.c @@ -0,0 +1,236 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "R360MPI" + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, mask; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Configure Ports A, B & C pins for + * 5 Volts Enable and 3 Volts enable + */ + immap->im_ioport.iop_pcpar &= ~(0x0400); + immap->im_ioport.iop_pcso &= ~(0x0400);/* + immap->im_ioport.iop_pcdir |= 0x0400;*/ + + immap->im_ioport.iop_papar &= ~(0x0200);/* + immap->im_ioport.iop_padir |= 0x0200;*/ +#if 0 + immap->im_ioport.iop_pbpar &= ~(0xC000); + immap->im_ioport.iop_pbdir &= ~(0xC000); +#endif + /* remove all power */ + + immap->im_ioport.iop_pcdat |= 0x0400; + immap->im_ioport.iop_padat |= 0x0200; + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On. + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + reg, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + if ((reg & mask) == mask) { + immap->im_ioport.iop_pcdat &= ~(0x4000); + puts (" 5.0V card found: "); + } else { + immap->im_ioport.iop_padat &= ~(0x0002); + puts (" 3.3V card found: "); + } + immap->im_ioport.iop_pcdir |= 0x0400; + immap->im_ioport.iop_padir |= 0x0200; +#if 0 + /* VCC switch error flag, PCMCIA slot INPACK_ pin */ + cp->cp_pbdir &= ~(0x0020 | 0x0010); + cp->cp_pbpar &= ~(0x0020 | 0x0010); + udelay(500000); +#endif + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* remove all power */ + immap->im_ioport.iop_pcdat |= 0x0400; + immap->im_ioport.iop_padat |= 0x0200; + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("voltage_set: " + PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Configure Ports A & C pins for + * 5 Volts Enable and 3 Volts enable, + * Turn off all power + */ + debug ("PCMCIA power OFF\n"); + immap->im_ioport.iop_pcpar &= ~(0x0400); + immap->im_ioport.iop_pcso &= ~(0x0400);/* + immap->im_ioport.iop_pcdir |= 0x0400;*/ + + immap->im_ioport.iop_papar &= ~(0x0200);/* + immap->im_ioport.iop_padir |= 0x0200;*/ + + immap->im_ioport.iop_pcdat |= 0x0400; + immap->im_ioport.iop_padat |= 0x0200; + + reg = 0; + switch(vcc) { + case 0: break; + case 33: reg |= 0x0200; break; + case 50: reg |= 0x0400; break; + default: goto done; + } + + /* Checking supported voltages */ + + debug ("PIPR: 0x%x --> %s\n", + pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + + if (reg & 0x0200) + immap->im_ioport.iop_pcdat &= !reg; + if (reg & 0x0400) + immap->im_ioport.iop_padat &= !reg; + immap->im_ioport.iop_pcdir |= 0x0200; + immap->im_ioport.iop_padir |= 0x0400; + if (reg) { + debug ("PCMCIA powered at %sV\n", + (reg&0x0400) ? "5.0" : "3.3"); + } else { + debug ("PCMCIA powered down\n"); + } + +done: + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CCONFIG_PCMCIA */ diff --git a/board/uc100/Makefile b/board/uc100/Makefile index eb81625..2d2cc23 100644 --- a/board/uc100/Makefile +++ b/board/uc100/Makefile @@ -25,8 +25,8 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -#OBJS = $(BOARD).o flash.o -OBJS = $(BOARD).o +#OBJS = $(BOARD).o flash.o pcmcia.o +OBJS = $(BOARD).o pcmcia.o $(LIB): .depend $(OBJS) $(AR) crv $@ $(OBJS) diff --git a/board/uc100/pcmcia.c b/board/uc100/pcmcia.c new file mode 100644 index 0000000..6e4b6d6 --- /dev/null +++ b/board/uc100/pcmcia.c @@ -0,0 +1,198 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#ifdef CONFIG_PCMCIA + +#define PCMCIA_BOARD_MSG "UC100" + +/* + * Remark: don't turn off OE "__MY_PCMCIA_GCRX_CXOE" on UC100 board. + * This leads to board-hangup! (sr, 8 Dez. 2004) + */ +static void cfg_ports (void) +{ + volatile immap_t *immap; + + immap = (immap_t *)CFG_IMMR; + + /* + * Configure Port A for MAX1602 PC-Card Power-Interface Switch + */ + immap->im_ioport.iop_padat &= ~0x8000; /* set port x output to low */ + immap->im_ioport.iop_padir |= 0x8000; /* enable port x as output */ + + debug ("Set Port A: PAR: %08x DIR: %08x DAT: %08x\n", + immap->im_ioport.iop_papar, immap->im_ioport.iop_padir, + immap->im_ioport.iop_padat); +} + +int pcmcia_hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, mask; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ + cfg_ports (); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); + pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", + __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On. + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + reg, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + if ((reg & mask) == mask) { + puts (" 5.0V card found: "); + } else { + puts (" 3.3V card found: "); + } + + /* switch VCC on */ + immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */ + + udelay(10000); + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* switch VCC off */ + immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */ + + /* Configure PCMCIA General Control Register */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + PCMCIA_PGCRX(_slot_) = reg; + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("voltage_set: " + PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + /* + * Configure Port C pins for + * 5 Volts Enable and 3 Volts enable, + * Turn all power pins to Hi-Z + */ + debug ("PCMCIA power OFF\n"); + cfg_ports (); /* Enables switch, but all in Hi-Z */ + + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(_slot_); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +#endif /* CONFIG_PCMCIA */ diff --git a/common/cmd_pcmcia.c b/common/cmd_pcmcia.c index 8e3e84b..2eb5b26 100644 --- a/common/cmd_pcmcia.c +++ b/common/cmd_pcmcia.c @@ -57,75 +57,14 @@ #include <command.h> #include <config.h> #include <pcmcia.h> -#if defined(CONFIG_8xx) -#include <mpc8xx.h> -#endif -#if defined(CONFIG_LWMON) -#include <i2c.h> -#endif -#ifdef CONFIG_PXA_PCMCIA -#include <asm/arch/pxa-regs.h> -#endif - #include <asm/io.h> -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) || \ - ((CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)) - -int pcmcia_on (void); - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int pcmcia_off (void); -#endif - -#ifdef CONFIG_I82365 - -extern int i82365_init (void); -extern void i82365_exit (void); - -#else /* ! CONFIG_I82365 */ - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot); -#endif -static int hardware_enable (int slot); -static int voltage_set(int slot, int vcc, int vpp); - -#if (! defined(CONFIG_I82365)) && (! defined(CONFIG_PXA_PCMCIA)) -static u_int m8xx_get_graycode(u_int size); -#endif /* !CONFIG_I82365, !CONFIG_PXA_PCMCIA */ -#if 0 -static u_int m8xx_get_speed(u_int ns, u_int is_io); -#endif - /* -------------------------------------------------------------------- */ -#ifndef CONFIG_PXA_PCMCIA - -/* look up table for pgcrx registers */ - -static u_int *pcmcia_pgcrx[2] = { - &((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcra, - &((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb, -}; -#define PCMCIA_PGCRX(slot) (*pcmcia_pgcrx[slot]) +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -#endif /* CONFIG_PXA_PCMCIA */ - -#endif /* CONFIG_I82365 */ - -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) -static void print_funcid (int func); -static void print_fixed (volatile uchar *p); -static int identify (volatile uchar *p); -static int check_ide_device (int slot); -#endif /* CONFIG_IDE_8xx_PCCARD, CONFIG_PXA_PCMCIA */ - -const char *indent = "\t "; - -/* -------------------------------------------------------------------- */ - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +extern int pcmcia_on (void); +extern int pcmcia_off (void); int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { @@ -136,7 +75,7 @@ int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 1; } if (strcmp(argv[1],"on") == 0) { - rcode = pcmcia_on (); + rcode = pcmcia_on (); } else if (strcmp(argv[1],"off") == 0) { rcode = pcmcia_off (); } else { @@ -146,2656 +85,82 @@ int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return rcode; } -#endif /* CFG_CMD_PCMCIA */ - -/* -------------------------------------------------------------------- */ - -#ifdef CONFIG_I82365 -int pcmcia_on (void) -{ - u_int rc; - - debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); - rc = i82365_init(); +U_BOOT_CMD( + pinit, 2, 1, do_pinit, + "pinit - PCMCIA sub-system\n", + "on - power on PCMCIA socket\n" + "pinit off - power off PCMCIA socket\n" + ); - if (rc == 0) { - rc = check_ide_device(0); - } +#endif /* CONFIG_COMMANDS & CFG_CMD_PCMCIA */ - return (rc); -} -#else +/* -------------------------------------------------------------------- */ -#ifndef CONFIG_PXA_PCMCIA +#undef CHECK_IDE_DEVICE -#ifdef CONFIG_HMI10 -# define HMI10_FRAM_TIMING (PCMCIA_SHT(2) | PCMCIA_SST(2) | PCMCIA_SL(4)) +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CHECK_IDE_DEVICE #endif -#if defined(CONFIG_LWMON) || defined(CONFIG_NSCU) -# define CFG_PCMCIA_TIMING (PCMCIA_SHT(9) | PCMCIA_SST(3) | PCMCIA_SL(12)) -#else -# define CFG_PCMCIA_TIMING (PCMCIA_SHT(2) | PCMCIA_SST(4) | PCMCIA_SL(9)) + +#if defined(CONFIG_PXA_PCMCIA) +#define CHECK_IDE_DEVICE #endif -int pcmcia_on (void) -{ - int i; - u_long reg, base; - pcmcia_win_t *win; - u_int slotbit; - u_int rc, slot; +#ifdef CHECK_IDE_DEVICE - debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); +int ide_devices_found; +static uchar *known_cards[] = { + (uchar *)"ARGOSY PnPIDE D5", + NULL +}; - /* intialize the fixed memory windows */ - win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); - base = CFG_PCMCIA_MEM_ADDR; +#define MAX_TUPEL_SZ 512 +#define MAX_FEATURES 4 - if((reg = m8xx_get_graycode(CFG_PCMCIA_MEM_SIZE)) == -1) { - printf ("Cannot set window size to 0x%08x\n", - CFG_PCMCIA_MEM_SIZE); - return (1); - } +#define MAX_IDENT_CHARS 64 +#define MAX_IDENT_FIELDS 4 - slotbit = PCMCIA_SLOT_x; - for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { - win->br = base; +#define indent "\t " -#if (PCMCIA_SOCKETS_NO == 2) - if (i == 4) /* Another slot starting from win 4 */ - slotbit = (slotbit ? PCMCIA_PSLOT_A : PCMCIA_PSLOT_B); -#endif - switch (i) { -#ifdef CONFIG_IDE_8xx_PCCARD - case 4: -#ifdef CONFIG_HMI10 - { /* map FRAM area */ - win->or = ( PCMCIA_BSIZE_256K - | PCMCIA_PPS_8 - | PCMCIA_PRS_ATTR - | slotbit - | PCMCIA_PV - | HMI10_FRAM_TIMING ); - break; - } -#endif - case 0: { /* map attribute memory */ - win->or = ( PCMCIA_BSIZE_64M - | PCMCIA_PPS_8 - | PCMCIA_PRS_ATTR - | slotbit - | PCMCIA_PV - | CFG_PCMCIA_TIMING ); +static void print_funcid (int func) +{ + puts (indent); + switch (func) { + case CISTPL_FUNCID_MULTI: + puts (" Multi-Function"); break; - } - case 5: - case 1: { /* map I/O window for data reg */ - win->or = ( PCMCIA_BSIZE_1K - | PCMCIA_PPS_16 - | PCMCIA_PRS_IO - | slotbit - | PCMCIA_PV - | CFG_PCMCIA_TIMING ); + case CISTPL_FUNCID_MEMORY: + puts (" Memory"); break; - } - case 6: - case 2: { /* map I/O window for cmd/ctrl reg block */ - win->or = ( PCMCIA_BSIZE_1K - | PCMCIA_PPS_8 - | PCMCIA_PRS_IO - | slotbit - | PCMCIA_PV - | CFG_PCMCIA_TIMING ); + case CISTPL_FUNCID_SERIAL: + puts (" Serial Port"); break; - } -#endif /* CONFIG_IDE_8xx_PCCARD */ -#ifdef CONFIG_HMI10 - case 3: { /* map I/O window for 4xUART data/ctrl */ - win->br += 0x40000; - win->or = ( PCMCIA_BSIZE_256K - | PCMCIA_PPS_8 - | PCMCIA_PRS_IO - | slotbit - | PCMCIA_PV - | CFG_PCMCIA_TIMING ); + case CISTPL_FUNCID_PARALLEL: + puts (" Parallel Port"); break; - } -#endif /* CONFIG_HMI10 */ - default: /* set to not valid */ - win->or = 0; + case CISTPL_FUNCID_FIXED: + puts (" Fixed Disk"); break; - } - - debug ("MemWin %d: PBR 0x%08lX POR %08lX\n", - i, win->br, win->or); - base += CFG_PCMCIA_MEM_SIZE; - ++win; - } - - for (i=0, rc=0, slot=_slot_; i<PCMCIA_SOCKETS_NO; i++, slot = !slot) { - /* turn off voltage */ - if ((rc = voltage_set(slot, 0, 0))) - continue; - - /* Enable external hardware */ - if ((rc = hardware_enable(slot))) - continue; - -#ifdef CONFIG_IDE_8xx_PCCARD - if ((rc = check_ide_device(i))) - continue; -#endif - } - return (rc); -} - -#endif /* CONFIG_PXA_PCMCIA */ - -#endif /* CONFIG_I82365 */ - -#ifdef CONFIG_PXA_PCMCIA - -static int hardware_enable (int slot) -{ - return 0; /* No hardware to enable */ -} - -static int hardware_disable(int slot) -{ - return 0; /* No hardware to disable */ -} - -static int voltage_set(int slot, int vcc, int vpp) -{ - return 0; -} - -void msWait(unsigned msVal) -{ - udelay(msVal*1000); -} - -int pcmcia_on (void) -{ - unsigned int reg_arr[] = { - 0x48000028, CFG_MCMEM0_VAL, - 0x4800002c, CFG_MCMEM1_VAL, - 0x48000030, CFG_MCATT0_VAL, - 0x48000034, CFG_MCATT1_VAL, - 0x48000038, CFG_MCIO0_VAL, - 0x4800003c, CFG_MCIO1_VAL, - - 0, 0 - }; - int i, rc; - -#ifdef CONFIG_EXADRON1 - int cardDetect; - volatile unsigned int *v_pBCRReg = - (volatile unsigned int *) 0x08000000; -#endif - - debug ("%s\n", __FUNCTION__); - - i = 0; - while (reg_arr[i]) - *((volatile unsigned int *) reg_arr[i++]) |= reg_arr[i++]; - udelay (1000); - - debug ("%s: programmed mem controller \n", __FUNCTION__); - -#ifdef CONFIG_EXADRON1 - -/*define useful BCR masks */ -#define BCR_CF_INIT_VAL 0x00007230 -#define BCR_CF_PWRON_BUSOFF_RESETOFF_VAL 0x00007231 -#define BCR_CF_PWRON_BUSOFF_RESETON_VAL 0x00007233 -#define BCR_CF_PWRON_BUSON_RESETON_VAL 0x00007213 -#define BCR_CF_PWRON_BUSON_RESETOFF_VAL 0x00007211 - - /* we see from the GPIO bit if the card is present */ - cardDetect = !(GPLR0 & GPIO_bit (14)); - - if (cardDetect) { - printf ("No PCMCIA card found!\n"); - } - - /* reset the card via the BCR line */ - *v_pBCRReg = (unsigned) BCR_CF_INIT_VAL; - msWait (500); - - *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETOFF_VAL; - msWait (500); - - *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETON_VAL; - msWait (500); - - *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETON_VAL; - msWait (500); - - *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETOFF_VAL; - msWait (1500); - - /* enable address bus */ - GPCR1 = 0x01; - /* and the first CF slot */ - MECR = 0x00000002; - -#endif /* EXADRON 1 */ - - rc = check_ide_device (0); /* use just slot 0 */ - - return rc; -} - -#endif /* CONFIG_PXA_PCMCIA */ - -/* -------------------------------------------------------------------- */ - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) - -#ifdef CONFIG_I82365 -static int pcmcia_off (void) -{ - printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); - - i82365_exit(); - - return 0; -} -#else - -#ifndef CONFIG_PXA_PCMCIA - -static int pcmcia_off (void) -{ - int i; - pcmcia_win_t *win; - - printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); - - /* clear interrupt state, and disable interrupts */ - ((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pscr = PCMCIA_MASK(_slot_); - ((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* turn off interrupt and disable CxOE */ - PCMCIA_PGCRX(_slot_) = __MY_PCMCIA_GCRX_CXOE; - - /* turn off memory windows */ - win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); - - for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { - /* disable memory window */ - win->or = 0; - ++win; - } - - /* turn off voltage */ - voltage_set(_slot_, 0, 0); - - /* disable external hardware */ - printf ("Shutdown and Poweroff " PCMCIA_SLOT_MSG "\n"); - hardware_disable(_slot_); - return 0; -} - -#endif /* CONFIG_PXA_PCMCIA */ - -#endif /* CONFIG_I82365 */ - -#ifdef CONFIG_PXA_PCMCIA -static int pcmcia_off (void) -{ - return 0; -} -#endif - -#endif /* CFG_CMD_PCMCIA */ - -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) - -#define MAX_TUPEL_SZ 512 -#define MAX_FEATURES 4 - -int ide_devices_found; -static int check_ide_device (int slot) -{ - volatile uchar *ident = NULL; - volatile uchar *feature_p[MAX_FEATURES]; - volatile uchar *p, *start, *addr; - int n_features = 0; - uchar func_id = ~0; - uchar code, len; - ushort config_base = 0; - int found = 0; - int i; - - addr = (volatile uchar *)(CFG_PCMCIA_MEM_ADDR + - CFG_PCMCIA_MEM_SIZE * (slot * 4)); - debug ("PCMCIA MEM: %08lX\n", (ulong)addr); - - start = p = (volatile uchar *) addr; - - while ((p - start) < MAX_TUPEL_SZ) { - - code = *p; p += 2; - - if (code == 0xFF) { /* End of chain */ + case CISTPL_FUNCID_VIDEO: + puts (" Video Adapter"); break; - } - - len = *p; p += 2; -#if defined(DEBUG) && (DEBUG > 1) - { volatile uchar *q = p; - printf ("\nTuple code %02x length %d\n\tData:", - code, len); - - for (i = 0; i < len; ++i) { - printf (" %02x", *q); - q+= 2; - } - } -#endif /* DEBUG */ - switch (code) { - case CISTPL_VERS_1: - ident = p + 4; + case CISTPL_FUNCID_NETWORK: + puts (" Network Adapter"); break; - case CISTPL_FUNCID: - /* Fix for broken SanDisk which may have 0x80 bit set */ - func_id = *p & 0x7F; + case CISTPL_FUNCID_AIMS: + puts (" AIMS Card"); break; - case CISTPL_FUNCE: - if (n_features < MAX_FEATURES) - feature_p[n_features++] = p; + case CISTPL_FUNCID_SCSI: + puts (" SCSI Adapter"); break; - case CISTPL_CONFIG: - config_base = (*(p+6) << 8) + (*(p+4)); - debug ("\n## Config_base = %04x ###\n", config_base); default: + puts (" Unknown"); break; - } - p += 2 * len; - } - - found = identify (ident); - - if (func_id != ((uchar)~0)) { - print_funcid (func_id); - - if (func_id == CISTPL_FUNCID_FIXED) - found = 1; - else - return (1); /* no disk drive */ - } - - for (i=0; i<n_features; ++i) { - print_fixed (feature_p[i]); - } - - if (!found) { - printf ("unknown card type\n"); - return (1); - } - - ide_devices_found |= (1 << slot); - -#if CONFIG_CPC45 -#else - /* set I/O area in config reg -> only valid for ARGOSY D5!!! */ - *((uchar *)(addr + config_base)) = 1; -#endif -#if 0 - printf("\n## Config_base = %04x ###\n", config_base); - printf("Configuration Option Register: %02x @ %x\n", readb(addr + config_base), addr + config_base); - printf("Card Configuration and Status Register: %02x\n", readb(addr + config_base + 2)); - printf("Pin Replacement Register Register: %02x\n", readb(addr + config_base + 4)); - printf("Socket and Copy Register: %02x\n", readb(addr + config_base + 6)); -#endif - return (0); -} -#endif /* CONFIG_IDE_8xx_PCCARD */ - -/* -------------------------------------------------------------------- */ - - -/* -------------------------------------------------------------------- */ -/* board specific stuff: */ -/* voltage_set(), hardware_enable() and hardware_disable() */ -/* -------------------------------------------------------------------- */ - -/* -------------------------------------------------------------------- */ -/* RPX Boards from Embedded Planet */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE) - -/* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks. - * SYPCR is write once only, therefore must the slowest memory be faster - * than the bus monitor or we will get a machine check due to the bus timeout. - */ - -#define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE" - -#undef PCMCIA_BMT_LIMIT -#define PCMCIA_BMT_LIMIT (6*8) - -static int voltage_set(int slot, int vcc, int vpp) -{ - u_long reg = 0; - - switch(vcc) { - case 0: break; - case 33: reg |= BCSR1_PCVCTL4; break; - case 50: reg |= BCSR1_PCVCTL5; break; - default: return 1; - } - - switch(vpp) { - case 0: break; - case 33: - case 50: - if(vcc == vpp) - reg |= BCSR1_PCVCTL6; - else - return 1; - break; - case 120: - reg |= BCSR1_PCVCTL7; - default: return 1; - } - - if(vcc == 120) - return 1; - - /* first, turn off all power */ - - *((uint *)RPX_CSR_ADDR) &= ~(BCSR1_PCVCTL4 | BCSR1_PCVCTL5 - | BCSR1_PCVCTL6 | BCSR1_PCVCTL7); - - /* enable new powersettings */ - - *((uint *)RPX_CSR_ADDR) |= reg; - - return 0; -} - -#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V -static int hardware_enable (int slot) -{ - return 0; /* No hardware to enable */ -} -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - return 0; /* No hardware to disable */ -} -#endif /* CFG_CMD_PCMCIA */ -#endif /* CONFIG_RPXCLASSIC */ - -/* -------------------------------------------------------------------- */ -/* (F)ADS Boards from Motorola */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_ADS) || defined(CONFIG_FADS) - -#ifdef CONFIG_ADS -#define PCMCIA_BOARD_MSG "ADS" -#define PCMCIA_GLITCHY_CD /* My ADS board needs this */ -#else -#define PCMCIA_BOARD_MSG "FADS" -#endif - -static int voltage_set(int slot, int vcc, int vpp) -{ - u_long reg = 0; - - switch(vpp) { - case 0: reg = 0; break; - case 50: reg = 1; break; - case 120: reg = 2; break; - default: return 1; - } - - switch(vcc) { - case 0: reg = 0; break; -#ifdef CONFIG_ADS - case 50: reg = BCSR1_PCCVCCON; break; -#endif -#ifdef CONFIG_FADS - case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break; - case 50: reg = BCSR1_PCCVCC1; break; -#endif - default: return 1; - } - - /* first, turn off all power */ - -#ifdef CONFIG_ADS - *((uint *)BCSR1) |= BCSR1_PCCVCCON; -#endif -#ifdef CONFIG_FADS - *((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1); -#endif - *((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK; - - /* enable new powersettings */ - -#ifdef CONFIG_ADS - *((uint *)BCSR1) &= ~reg; -#endif -#ifdef CONFIG_FADS - *((uint *)BCSR1) |= reg; -#endif - - *((uint *)BCSR1) |= reg << 20; - - return 0; -} - -#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V - -static int hardware_enable(int slot) -{ - *((uint *)BCSR1) &= ~BCSR1_PCCEN; - return 0; -} - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - *((uint *)BCSR1) &= ~BCSR1_PCCEN; - return 0; -} -#endif /* CFG_CMD_PCMCIA */ - -#endif /* (F)ADS */ - -/* -------------------------------------------------------------------- */ -/* TQM8xxL Boards by TQ Components */ -/* SC8xx Boards by SinoVee Microsystems */ -/* -------------------------------------------------------------------- */ - -#if (defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx)) \ - && !defined(CONFIG_VIRTLAB2) - -#if defined(CONFIG_TQM8xxL) -#define PCMCIA_BOARD_MSG "TQM8xxL" -#endif -#if defined(CONFIG_SVM_SC8xx) -#define PCMCIA_BOARD_MSG "SC8xx" -#endif - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(slot); - pcmp->pcmc_per &= ~PCMCIA_MASK(slot); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ -#ifndef NSCU_OE_INV - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ -#endif - PCMCIA_PGCRX(slot) = reg; - udelay(500); - -#ifndef CONFIG_HMI10 -#ifndef CONFIG_NSCU - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable - */ - immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); - immap->im_ioport.iop_pcso &= ~(0x0002 | 0x0004); - /* remove all power */ - - immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); -#endif -#else /* CONFIG_HMI10 */ - /* - * Configure Port B pins for - * 5 Volts Enable and 3 Volts enable - */ - immap->im_cpm.cp_pbpar &= ~(0x00000300); - - /* remove all power */ - immap->im_cpm.cp_pbdat |= 0x00000300; -#endif /* CONFIG_HMI10 */ - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); -#ifndef CONFIG_HMI10 - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { -#else - if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) { -#endif /* CONFIG_HMI10 */ - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); -#ifndef CONFIG_NSCU - if ((reg & mask) == mask) { -#ifndef CONFIG_HMI10 - immap->im_ioport.iop_pcdat |= 0x0004; -#else - immap->im_cpm.cp_pbdat &= ~(0x0000100); -#endif /* CONFIG_HMI10 */ - puts (" 5.0V card found: "); - } else { -#ifndef CONFIG_HMI10 - immap->im_ioport.iop_pcdat |= 0x0002; -#else - immap->im_cpm.cp_pbdat &= ~(0x0000200); -#endif /* CONFIG_HMI10 */ - puts (" 3.3V card found: "); - } -#ifndef CONFIG_HMI10 - immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004); -#else - immap->im_cpm.cp_pbdir |= 0x00000300; -#endif /* CONFIG_HMI10 */ -#else - if ((reg & mask) == mask) { - puts (" 5.0V card found: "); - } else { - puts (" 3.3V card found: "); - } -#endif -#if 0 - /* VCC switch error flag, PCMCIA slot INPACK_ pin */ - cp->cp_pbdir &= ~(0x0020 | 0x0010); - cp->cp_pbpar &= ~(0x0020 | 0x0010); - udelay(500000); -#endif - udelay(1000); - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ -#ifndef NSCU_OE_INV - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ -#else - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ -#endif - PCMCIA_PGCRX(slot) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - -#ifndef CONFIG_HMI10 -#ifndef CONFIG_NSCU - /* remove all power */ - immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); -#endif -#else /* CONFIG_HMI10 */ - immap->im_cpm.cp_pbdat |= 0x00000300; -#endif /* CONFIG_HMI10 */ - - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ -#ifndef NSCU_OE_INV - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ -#endif - PCMCIA_PGCRX(slot) = reg; - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - -#ifdef CONFIG_NSCU -static int voltage_set(int slot, int vcc, int vpp) -{ - return 0; -} -#else -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ -#ifndef NSCU_OE_INV - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ -#else - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ -#endif - PCMCIA_PGCRX(slot) = reg; - udelay(500); - -#ifndef CONFIG_HMI10 - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn off all power - */ - debug ("PCMCIA power OFF\n"); - immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); - immap->im_ioport.iop_pcso &= ~(0x0002 | 0x0004); - immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); - - reg = 0; - switch(vcc) { - case 0: break; - case 33: reg |= 0x0002; break; - case 50: reg |= 0x0004; break; - default: goto done; - } -#else /* CONFIG_HMI10 */ - /* - * Configure Port B pins for - * 5 Volts Enable and 3 Volts enable, - * Turn off all power - */ - debug ("PCMCIA power OFF\n"); - immap->im_cpm.cp_pbpar &= ~(0x00000300); - /* remove all power */ - - immap->im_cpm.cp_pbdat |= 0x00000300; - - reg = 0; - switch(vcc) { - case 0: break; - case 33: reg |= 0x00000200; break; - case 50: reg |= 0x00000100; break; - default: goto done; -} -#endif /* CONFIG_HMI10 */ - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - -#ifndef CONFIG_HMI10 - immap->im_ioport.iop_pcdat |= reg; - immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004); -#else - immap->im_cpm.cp_pbdat &= !reg; - immap->im_cpm.cp_pbdir |= 0x00000300; -#endif /* CONFIG_HMI10 */ - if (reg) { -#ifndef CONFIG_HMI10 - debug ("PCMCIA powered at %sV\n", - (reg&0x0004) ? "5.0" : "3.3"); -#else - debug ("PCMCIA powered at %sV\n", - (reg&0x00000200) ? "5.0" : "3.3"); -#endif /* CONFIG_HMI10 */ - } else { - debug ("PCMCIA powered down\n"); - } - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ -#ifndef NSCU_OE_INV - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ -#else - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ -#endif - PCMCIA_PGCRX(slot) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} -#endif - -#endif /* TQM8xxL */ - -/* -------------------------------------------------------------------- */ -/* Virtlab2 Board by TQ Components */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_VIRTLAB2) -#define PCMCIA_BOARD_MSG "Virtlab2" - -static int hardware_enable(int slot) -{ - volatile pcmconf8xx_t *pcmp = - (pcmconf8xx_t *)&(((immap_t *)CFG_IMMR)->im_pcmcia); - volatile unsigned char *powerctl = - (volatile unsigned char *)PCMCIA_CTRL; - volatile sysconf8xx_t *sysp = - (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - unsigned int reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - /* - * Configure SIUMCR to enable PCMCIA port B - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(slot); - pcmp->pcmc_per &= ~PCMCIA_MASK(slot); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - - PCMCIA_PGCRX(slot) = reg; - udelay(500); - - /* remove all power */ - *powerctl = 0; - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - - if ((reg & mask) == mask) { - *powerctl = 2; /* Enable 5V Vccout */ - puts (" 5.0V card found: "); - } else { - *powerctl = 1; /* Enable 3.3 V Vccout */ - puts (" 3.3V card found: "); - } - - udelay(1000); - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - - PCMCIA_PGCRX(slot) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile unsigned char *powerctl = - (volatile unsigned char *)PCMCIA_CTRL; - unsigned long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - /* remove all power */ - *powerctl = 0; - - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - - PCMCIA_PGCRX(slot) = reg; - - udelay(10000); - - return (0); -} -#endif - -static int voltage_set(int slot, int vcc, int vpp) -{ -#ifdef DEBUG - volatile pcmconf8xx_t *pcmp = - (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); -#endif - volatile unsigned char *powerctl = - (volatile unsigned char *)PCMCIA_CTRL; - unsigned long reg; - - debug ("voltage_set: " PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - - PCMCIA_PGCRX(slot) = reg; - udelay(500); - - /* - * Configure pins for 5 Volts Enable and 3 Volts enable, - * Turn off all power. - */ - debug ("PCMCIA power OFF\n"); - reg = 0; - switch(vcc) { - case 0: break; - case 33: reg = 0x0001; break; - case 50: reg = 0x0002; break; - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - *powerctl = reg; - - if (reg) { - debug ("PCMCIA powered at %sV\n", (reg&0x0004) ? "5.0" : "3.3"); - } else { - debug ("PCMCIA powered down\n"); - } - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - - PCMCIA_PGCRX(slot) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", slot+'A'); - return (0); -} -#endif /* CONFIG_VIRTLAB2 */ - -/* -------------------------------------------------------------------- */ -/* LWMON Board */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_LWMON) - -#define PCMCIA_BOARD_MSG "LWMON" - -/* #define's for MAX1604 Power Switch */ -#define MAX1604_OP_SUS 0x80 -#define MAX1604_VCCBON 0x40 -#define MAX1604_VCC_35 0x20 -#define MAX1604_VCCBHIZ 0x10 -#define MAX1604_VPPBON 0x08 -#define MAX1604_VPPBPBPGM 0x04 -#define MAX1604_VPPBHIZ 0x02 -/* reserved 0x01 */ - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - uchar val; - - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - /* Switch on PCMCIA port in PIC register 0x60 */ - reg = pic_read (0x60); - debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); - reg &= ~0x10; - /* reg |= 0x08; Vpp not needed */ - pic_write (0x60, reg); -#ifdef DEBUG - reg = pic_read (0x60); - printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); -#endif - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - if ((reg & mask) == mask) { - val = 0; /* VCCB3/5 = 0 ==> use Vx = 5.0 V */ - puts (" 5.0V card found: "); - } else { - val = MAX1604_VCC_35; /* VCCB3/5 = 1 ==> use Vy = 3.3 V */ - puts (" 3.3V card found: "); - } - - /* switch VCC on */ - val |= MAX1604_OP_SUS | MAX1604_VCCBON; - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); - i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); - - udelay(500000); - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - uchar val; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - - /* remove all power, put output in high impedance state */ - val = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); - i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - /* Switch off PCMCIA port in PIC register 0x60 */ - reg = pic_read (0x60); - debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); - reg |= 0x10; - reg &= ~0x08; - pic_write (0x60, reg); -#ifdef DEBUG - reg = pic_read (0x60); - printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); -#endif - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - uchar val; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Turn off all power (switch to high impedance) - */ - debug ("PCMCIA power OFF\n"); - val = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; - i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); - i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); - - val = 0; - switch(vcc) { - case 0: break; - case 33: val = MAX1604_VCC_35; break; - case 50: break; - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); - if (val) { - debug ("PCMCIA powered at %sV\n", - (val & MAX1604_VCC_35) ? "3.3" : "5.0"); - } else { - debug ("PCMCIA powered down\n"); - } - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -#endif /* LWMON */ - -/* -------------------------------------------------------------------- */ -/* GTH board by Corelatus AB */ -/* -------------------------------------------------------------------- */ -#if defined(CONFIG_GTH) - -#define PCMCIA_BOARD_MSG "GTH COMPACT FLASH" - -static int voltage_set (int slot, int vcc, int vpp) -{ /* Do nothing */ - return 0; -} - -static int hardware_enable (int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: GTH Slot %c\n", 'A' + slot); - - immap = (immap_t *) CFG_IMMR; - sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm)); - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - udelay (500); - - /* - * Make sure there is a card in the slot, - * then configure the interface. - */ - udelay (10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__, __FUNCTION__, - &(pcmp->pcmc_pipr), pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & 0x98000000) { - printf (" No Card found\n"); - return (1); - } - - mask = PCMCIA_VS1 (slot) | PCMCIA_VS2 (slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", - (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX (_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - - udelay (250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return 0; -} -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - return 0; /* No hardware to disable */ -} -#endif /* CFG_CMD_PCMCIA */ -#endif /* CONFIG_GTH */ - -/* -------------------------------------------------------------------- */ -/* ICU862 Boards by Cambridge Broadband Ltd. */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_ICU862) - -#define PCMCIA_BOARD_MSG "ICU862" - -static void cfg_port_B (void); - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, pipr, mask; - int i; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* Configure Port B for TPS2205 PC-Card Power-Interface Switch */ - cfg_port_B (); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - pipr = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - pipr, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - - reg = cp->cp_pbdat; - if ((pipr & mask) == mask) { - reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ - TPS2205_VCC3); /* 3V off */ - reg &= ~(TPS2205_VCC5); /* 5V on */ - puts (" 5.0V card found: "); - } else { - reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ - TPS2205_VCC5); /* 5V off */ - reg &= ~(TPS2205_VCC3); /* 3V on */ - puts (" 3.3V card found: "); - } - - debug ("\nPB DAT: %08x -> 3.3V %s 5.0V %s VPP_PGM %s VPP_VCC %s\n", - reg, - (reg & TPS2205_VCC3) ? "off" : "on", - (reg & TPS2205_VCC5) ? "off" : "on", - (reg & TPS2205_VPP_PGM) ? "off" : "on", - (reg & TPS2205_VPP_VCC) ? "off" : "on" ); - - cp->cp_pbdat = reg; - - /* Wait 500 ms; use this to check for over-current */ - for (i=0; i<5000; ++i) { - if ((cp->cp_pbdat & TPS2205_OC) == 0) { - printf (" *** Overcurrent - Safety shutdown ***\n"); - cp->cp_pbdat &= ~(TPS2205_SHDN); - return (1); - } - udelay (100); - } - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - - /* Shut down */ - cp->cp_pbdat &= ~(TPS2205_SHDN); - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn all power pins to Hi-Z - */ - debug ("PCMCIA power OFF\n"); - cfg_port_B (); /* Enables switch, but all in Hi-Z */ - - reg = cp->cp_pbdat; - - switch(vcc) { - case 0: break; /* Switch off */ - case 33: reg &= ~TPS2205_VCC3; break; /* Switch on 3.3V */ - case 50: reg &= ~TPS2205_VCC5; break; /* Switch on 5.0V */ - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - cp->cp_pbdat = reg; - -#ifdef DEBUG - { - char *s; - - if ((reg & TPS2205_VCC3) == 0) { - s = "at 3.3V"; - } else if ((reg & TPS2205_VCC5) == 0) { - s = "at 5.0V"; - } else { - s = "down"; - } - printf ("PCMCIA powered %s\n", s); - } -#endif - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -static void cfg_port_B (void) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - uint reg; - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Configure Port B for TPS2205 PC-Card Power-Interface Switch - * - * Switch off all voltages, assert shutdown - */ - reg = cp->cp_pbdat; - reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ - TPS2205_VCC3 | TPS2205_VCC5 | /* VAVCC => Hi-Z */ - TPS2205_SHDN); /* enable switch */ - cp->cp_pbdat = reg; - - cp->cp_pbpar &= ~(TPS2205_INPUTS | TPS2205_OUTPUTS); - - reg = cp->cp_pbdir & ~(TPS2205_INPUTS); - cp->cp_pbdir = reg | TPS2205_OUTPUTS; - - debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", - cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); -} - -#endif /* ICU862 */ - - -/* -------------------------------------------------------------------- */ -/* C2MON Boards by TTTech Computertechnik AG */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_C2MON) - -#define PCMCIA_BOARD_MSG "C2MON" - -static void cfg_ports (void); - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, pipr, mask; - ushort sreg; - int i; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ - cfg_ports (); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - pipr = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - pipr, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - - sreg = immap->im_ioport.iop_pcdat; - if ((pipr & mask) == mask) { - sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1 | /* VAVPP => Hi-Z */ - TPS2211_VCCD1); /* 5V on */ - sreg &= ~(TPS2211_VCCD0); /* 3V off */ - puts (" 5.0V card found: "); - } else { - sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1 | /* VAVPP => Hi-Z */ - TPS2211_VCCD0); /* 3V on */ - sreg &= ~(TPS2211_VCCD1); /* 5V off */ - puts (" 3.3V card found: "); - } - - debug ("\nPC DAT: %04x -> 3.3V %s 5.0V %s\n", - sreg, - ( (sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) ? "on" : "off", - (!(sreg & TPS2211_VCCD0) && (sreg & TPS2211_VCCD1)) ? "on" : "off" - ); - - immap->im_ioport.iop_pcdat = sreg; - - /* Wait 500 ms; use this to check for over-current */ - for (i=0; i<5000; ++i) { - if ((cp->cp_pbdat & TPS2211_OC) == 0) { - printf (" *** Overcurrent - Safety shutdown ***\n"); - immap->im_ioport.iop_pcdat &= ~(TPS2211_VCCD0|TPS2211_VCCD1); - return (1); - } - udelay (100); - } - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - /* ALl voltages off / Hi-Z */ - immap->im_ioport.iop_pcdat |= (TPS2211_VPPD0 | TPS2211_VPPD1 | - TPS2211_VCCD0 | TPS2211_VCCD1 ); - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - ushort sreg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn all power pins to Hi-Z - */ - debug ("PCMCIA power OFF\n"); - cfg_ports (); /* Enables switch, but all in Hi-Z */ - - sreg = immap->im_ioport.iop_pcdat; - sreg |= TPS2211_VPPD0 | TPS2211_VPPD1; /* VAVPP always Hi-Z */ - - switch(vcc) { - case 0: break; /* Switch off */ - case 33: sreg |= TPS2211_VCCD0; /* Switch on 3.3V */ - sreg &= ~TPS2211_VCCD1; - break; - case 50: sreg &= ~TPS2211_VCCD0; /* Switch on 5.0V */ - sreg |= TPS2211_VCCD1; - break; - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - immap->im_ioport.iop_pcdat = sreg; - -#ifdef DEBUG - { - char *s; - - if ((sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) { - s = "at 3.3V"; - } else if (!(sreg & TPS2211_VCCD0) && (sreg & TPS2211_VCCD1)) { - s = "at 5.0V"; - } else { - s = "down"; - } - printf ("PCMCIA powered %s\n", s); - } -#endif - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -static void cfg_ports (void) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - ushort sreg; - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Configure Port C for TPS2211 PC-Card Power-Interface Switch - * - * Switch off all voltages, assert shutdown - */ - sreg = immap->im_ioport.iop_pcdat; - sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1); /* VAVPP => Hi-Z */ - sreg &= ~(TPS2211_VCCD0 | TPS2211_VCCD1); /* 3V and 5V off */ - immap->im_ioport.iop_pcdat = sreg; - - immap->im_ioport.iop_pcpar &= ~(TPS2211_OUTPUTS); - immap->im_ioport.iop_pcdir |= TPS2211_OUTPUTS; - - debug ("Set Port C: PAR: %04x DIR: %04x DAT: %04x\n", - immap->im_ioport.iop_pcpar, - immap->im_ioport.iop_pcdir, - immap->im_ioport.iop_pcdat); - - /* - * Configure Port B for TPS2211 PC-Card Power-Interface Switch - * - * Over-Current Input only - */ - cp->cp_pbpar &= ~(TPS2211_INPUTS); - cp->cp_pbdir &= ~(TPS2211_INPUTS); - - debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", - cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); -} - -#endif /* C2MON */ - -/* -------------------------------------------------------------------- */ -/* MBX board from Morotola */ -/* -------------------------------------------------------------------- */ - -#if defined( CONFIG_MBX ) -#include <../board/mbx8xx/csr.h> - -/* A lot of this has been taken from the RPX code in this file it works from me. - I have added the voltage selection for the MBX board. */ - -/* MBX voltage bit in control register #2 */ -#define CR2_VPP12 ((uchar)0x10) -#define CR2_VPPVDD ((uchar)0x20) -#define CR2_VDD5 ((uchar)0x40) -#define CR2_VDD3 ((uchar)0x80) - -#define PCMCIA_BOARD_MSG "MBX860" - -static int voltage_set (int slot, int vcc, int vpp) -{ - uchar reg = 0; - - debug ("voltage_set: PCMCIA_BOARD_MSG Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A' + slot, vcc / 10, vcc % 10, vpp / 10, vcc % 10); - - switch (vcc) { - case 0: - break; - case 33: - reg |= CR2_VDD3; - break; - case 50: - reg |= CR2_VDD5; - break; - default: - return 1; - } - - switch (vpp) { - case 0: - break; - case 33: - case 50: - if (vcc == vpp) { - reg |= CR2_VPPVDD; - } else { - return 1; - } - break; - case 120: - reg |= CR2_VPP12; - break; - default: - return 1; - } - - /* first, turn off all power */ - MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL); - - /* enable new powersettings */ - MBX_CSR2 |= reg; - debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2); - - return (0); -} - -static int hardware_enable (int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", - 'A' + slot); - - udelay (10000); - - immap = (immap_t *) CFG_IMMR; - sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm)); - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - udelay (500); - - /* remove all power */ - voltage_set (slot, 0, 0); - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); -#ifndef CONFIG_HMI10 - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { -#else - if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) { -#endif /* CONFIG_HMI10 */ - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1 (_slot_) | PCMCIA_VS2 (_slot_); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", reg, - (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", - (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); - - if ((reg & mask) == mask) { - voltage_set (_slot_, 50, 0); - printf (" 5.0V card found: "); - } else { - voltage_set (_slot_, 33, 0); - printf (" 3.3V card found: "); - } - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX (_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - - udelay (250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable (int slot) -{ - return 0; /* No hardware to disable */ -} -#endif /* CFG_CMD_PCMCIA */ -#endif /* CONFIG_MBX */ -/* -------------------------------------------------------------------- */ -/* R360MPI Board */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_R360MPI) - -#define PCMCIA_BOARD_MSG "R360MPI" - - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Ports A, B & C pins for - * 5 Volts Enable and 3 Volts enable - */ - immap->im_ioport.iop_pcpar &= ~(0x0400); - immap->im_ioport.iop_pcso &= ~(0x0400);/* - immap->im_ioport.iop_pcdir |= 0x0400;*/ - - immap->im_ioport.iop_papar &= ~(0x0200);/* - immap->im_ioport.iop_padir |= 0x0200;*/ -#if 0 - immap->im_ioport.iop_pbpar &= ~(0xC000); - immap->im_ioport.iop_pbdir &= ~(0xC000); -#endif - /* remove all power */ - - immap->im_ioport.iop_pcdat |= 0x0400; - immap->im_ioport.iop_padat |= 0x0200; - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - if ((reg & mask) == mask) { - immap->im_ioport.iop_pcdat &= ~(0x4000); - puts (" 5.0V card found: "); - } else { - immap->im_ioport.iop_padat &= ~(0x0002); - puts (" 3.3V card found: "); - } - immap->im_ioport.iop_pcdir |= 0x0400; - immap->im_ioport.iop_padir |= 0x0200; -#if 0 - /* VCC switch error flag, PCMCIA slot INPACK_ pin */ - cp->cp_pbdir &= ~(0x0020 | 0x0010); - cp->cp_pbpar &= ~(0x0020 | 0x0010); - udelay(500000); -#endif - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - - /* remove all power */ - immap->im_ioport.iop_pcdat |= 0x0400; - immap->im_ioport.iop_padat |= 0x0200; - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Ports A & C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn off all power - */ - debug ("PCMCIA power OFF\n"); - immap->im_ioport.iop_pcpar &= ~(0x0400); - immap->im_ioport.iop_pcso &= ~(0x0400);/* - immap->im_ioport.iop_pcdir |= 0x0400;*/ - - immap->im_ioport.iop_papar &= ~(0x0200);/* - immap->im_ioport.iop_padir |= 0x0200;*/ - - immap->im_ioport.iop_pcdat |= 0x0400; - immap->im_ioport.iop_padat |= 0x0200; - - reg = 0; - switch(vcc) { - case 0: break; - case 33: reg |= 0x0200; break; - case 50: reg |= 0x0400; break; - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - if (reg & 0x0200) - immap->im_ioport.iop_pcdat &= !reg; - if (reg & 0x0400) - immap->im_ioport.iop_padat &= !reg; - immap->im_ioport.iop_pcdir |= 0x0200; - immap->im_ioport.iop_padir |= 0x0400; - if (reg) { - debug ("PCMCIA powered at %sV\n", - (reg&0x0400) ? "5.0" : "3.3"); - } else { - debug ("PCMCIA powered down\n"); - } - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -#endif /* R360MPI */ - -/* -------------------------------------------------------------------- */ -/* KUP4K and KUP4X Boards */ -/* -------------------------------------------------------------------- */ -#if defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X) - -#define PCMCIA_BOARD_MSG "KUP" - -#define KUP4K_PCMCIA_B_3V3 (0x00020000) - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(slot); - pcmp->pcmc_per &= ~PCMCIA_MASK(slot); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(slot) = reg; - udelay(2500); - - /* - * Configure Port B pins for - * 3 Volts enable - */ - if (slot) { /* Slot A is built-in */ - cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3; - cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3; - /* remove all power */ - cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */ - } - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - printf("%s Slot %c:", slot ? "" : "\n", 'A' + slot); - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - if ((reg & mask) == mask) { - puts (" 5.0V card found: NOT SUPPORTED !!!\n"); - } else { - if(slot) - cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3; - puts (" 3.3V card found: "); - } -#if 0 - /* VCC switch error flag, PCMCIA slot INPACK_ pin */ - cp->cp_pbdir &= ~(0x0020 | 0x0010); - cp->cp_pbpar &= ~(0x0020 | 0x0010); - udelay(500000); -#endif - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(slot) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* remove all power */ - if (slot) - cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(slot) = reg; - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " \ - PCMCIA_BOARD_MSG \ - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - if (!slot) /* Slot A is not configurable */ - return 0; - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(slot) = reg; - udelay(500); - - debug ("PCMCIA power OFF\n"); - /* - * Configure Port B pins for - * 3 Volts enable - */ - cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3; - cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3; - /* remove all power */ - cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */ - - switch(vcc) { - case 0: break; - case 33: - cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3; - debug ("PCMCIA powered at 3.3V\n"); - break; - case 50: - debug ("PCMCIA: 5Volt vcc not supported\n"); - break; - default: - puts("PCMCIA: vcc not supported"); - break; - } - udelay(10000); - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & (0x80000000 >> (slot << 4))) - ? "only 5 V --> NOT SUPPORTED" - : "can do 3.3V"); - - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(slot); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(slot) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -#endif /* KUP4K || KUP4X */ - - -/* -------------------------------------------------------------------- */ -/* End of Board Specific Stuff */ -/* -------------------------------------------------------------------- */ - - -/* -------------------------------------------------------------------- */ -/* MPC8xx Specific Stuff - should go to MPC8xx directory */ -/* -------------------------------------------------------------------- */ - -/* - * Search this table to see if the windowsize is - * supported... - */ - -#define M8XX_SIZES_NO 32 - -static const u_int m8xx_size_to_gray[M8XX_SIZES_NO] = -{ 0x00000001, 0x00000002, 0x00000008, 0x00000004, - 0x00000080, 0x00000040, 0x00000010, 0x00000020, - 0x00008000, 0x00004000, 0x00001000, 0x00002000, - 0x00000100, 0x00000200, 0x00000800, 0x00000400, - - 0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff, - 0x01000000, 0x02000000, 0xffffffff, 0x04000000, - 0x00010000, 0x00020000, 0x00080000, 0x00040000, - 0x00800000, 0x00400000, 0x00100000, 0x00200000 }; - - -/* -------------------------------------------------------------------- */ - -#if ( ! defined(CONFIG_I82365) && ! defined(CONFIG_PXA_PCMCIA) ) - -static u_int m8xx_get_graycode(u_int size) -{ - u_int k; - - for (k = 0; k < M8XX_SIZES_NO; k++) { - if(m8xx_size_to_gray[k] == size) - break; - } - - if((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1)) - k = -1; - - return k; -} - -#endif /* CONFIG_I82365 */ - -/* -------------------------------------------------------------------- */ - -#if 0 -static u_int m8xx_get_speed(u_int ns, u_int is_io) -{ - u_int reg, clocks, psst, psl, psht; - - if(!ns) { - - /* - * We get called with IO maps setup to 0ns - * if not specified by the user. - * They should be 255ns. - */ - - if(is_io) - ns = 255; - else - ns = 100; /* fast memory if 0 */ - } - - /* - * In PSST, PSL, PSHT fields we tell the controller - * timing parameters in CLKOUT clock cycles. - * CLKOUT is the same as GCLK2_50. - */ - -/* how we want to adjust the timing - in percent */ - -#define ADJ 180 /* 80 % longer accesstime - to be sure */ - - clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000; - clocks = (clocks * ADJ) / (100*1000); - - if(clocks >= PCMCIA_BMT_LIMIT) { - DEBUG(0, "Max access time limit reached\n"); - clocks = PCMCIA_BMT_LIMIT-1; - } - - psst = clocks / 7; /* setup time */ - psht = clocks / 7; /* hold time */ - psl = (clocks * 5) / 7; /* strobe length */ - - psst += clocks - (psst + psht + psl); - - reg = psst << 12; - reg |= psl << 7; - reg |= psht << 16; - - return reg; -} -#endif - -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) -static void print_funcid (int func) -{ - puts (indent); - switch (func) { - case CISTPL_FUNCID_MULTI: - puts (" Multi-Function"); - break; - case CISTPL_FUNCID_MEMORY: - puts (" Memory"); - break; - case CISTPL_FUNCID_SERIAL: - puts (" Serial Port"); - break; - case CISTPL_FUNCID_PARALLEL: - puts (" Parallel Port"); - break; - case CISTPL_FUNCID_FIXED: - puts (" Fixed Disk"); - break; - case CISTPL_FUNCID_VIDEO: - puts (" Video Adapter"); - break; - case CISTPL_FUNCID_NETWORK: - puts (" Network Adapter"); - break; - case CISTPL_FUNCID_AIMS: - puts (" AIMS Card"); - break; - case CISTPL_FUNCID_SCSI: - puts (" SCSI Adapter"); - break; - default: - puts (" Unknown"); - break; } puts (" Card\n"); } -#endif /* CONFIG_IDE_8xx_PCCARD */ - -/* -------------------------------------------------------------------- */ -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_fixed (volatile uchar *p) { if (p == NULL) @@ -2804,16 +169,16 @@ static void print_fixed (volatile uchar *p) puts(indent); switch (*p) { - case CISTPL_FUNCE_IDE_IFACE: - { uchar iface = *(p+2); + case CISTPL_FUNCE_IDE_IFACE: + { uchar iface = *(p+2); puts ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown"); puts (" interface "); break; - } - case CISTPL_FUNCE_IDE_MASTER: - case CISTPL_FUNCE_IDE_SLAVE: - { uchar f1 = *(p+2); + } + case CISTPL_FUNCE_IDE_MASTER: + case CISTPL_FUNCE_IDE_SLAVE: + { uchar f1 = *(p+2); uchar f2 = *(p+4); puts ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]"); @@ -2845,23 +210,10 @@ static void print_fixed (volatile uchar *p) puts (" [IOis16]"); break; - } + } } putc ('\n'); } -#endif /* CONFIG_IDE_8xx_PCCARD */ - -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) - -#define MAX_IDENT_CHARS 64 -#define MAX_IDENT_FIELDS 4 - -static uchar *known_cards[] = { - (uchar *)"ARGOSY PnPIDE D5", - NULL -}; static int identify (volatile uchar *p) { @@ -2913,576 +265,101 @@ static int identify (volatile uchar *p) return (0); /* don't know */ } -#endif /* CONFIG_IDE_8xx_PCCARD */ - -/* -------------------------------------------------------------------- */ -/* NETTA board by Intracom S.A. */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_NETTA) - -/* some sane bit macros */ -#define _BD(_b) (1U << (31-(_b))) -#define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1)) - -#define _BW(_b) (1U << (15-(_b))) -#define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1)) - -#define _BB(_b) (1U << (7-(_b))) -#define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1)) - -#define _B(_b) _BD(_b) -#define _BR(_l, _h) _BDR(_l, _h) -#define PCMCIA_BOARD_MSG "NETTA" - -static const unsigned short vppd_masks[2] = { _BW(14), _BW(15) }; - -static void cfg_vppd(int no) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask; - - if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) - return; - - mask = vppd_masks[no]; - - immap->im_ioport.iop_papar &= ~mask; - immap->im_ioport.iop_paodr &= ~mask; - immap->im_ioport.iop_padir |= mask; -} - -static void set_vppd(int no, int what) +int check_ide_device (int slot) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask; - - if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) - return; - - mask = vppd_masks[no]; - - if (what) - immap->im_ioport.iop_padat |= mask; - else - immap->im_ioport.iop_padat &= ~mask; -} - -static const unsigned short vccd_masks[2] = { _BW(10), _BW(6) }; - -static void cfg_vccd(int no) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask; - - if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) - return; - - mask = vccd_masks[no]; - - immap->im_ioport.iop_papar &= ~mask; - immap->im_ioport.iop_paodr &= ~mask; - immap->im_ioport.iop_padir |= mask; -} - -static void set_vccd(int no, int what) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask; - - if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) - return; - - mask = vccd_masks[no]; - - if (what) - immap->im_ioport.iop_padat |= mask; - else - immap->im_ioport.iop_padat &= ~mask; -} - -static const unsigned short oc_mask = _BW(8); - -static void cfg_oc(void) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask = oc_mask; - - immap->im_ioport.iop_pcdir &= ~mask; - immap->im_ioport.iop_pcso &= ~mask; - immap->im_ioport.iop_pcint &= ~mask; - immap->im_ioport.iop_pcpar &= ~mask; -} - -static int get_oc(void) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask = oc_mask; - int what; - - what = !!(immap->im_ioport.iop_pcdat & mask);; - return what; -} - -static const unsigned short shdn_mask = _BW(12); - -static void cfg_shdn(void) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask; - - mask = shdn_mask; - - immap->im_ioport.iop_papar &= ~mask; - immap->im_ioport.iop_paodr &= ~mask; - immap->im_ioport.iop_padir |= mask; -} - -static void set_shdn(int what) -{ - volatile immap_t *immap = (immap_t *)CFG_IMMR; - unsigned short mask; - - mask = shdn_mask; - - if (what) - immap->im_ioport.iop_padat |= mask; - else - immap->im_ioport.iop_padat &= ~mask; -} - -static void cfg_ports (void); - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, pipr, mask; + volatile uchar *ident = NULL; + volatile uchar *feature_p[MAX_FEATURES]; + volatile uchar *p, *start, *addr; + int n_features = 0; + uchar func_id = ~0; + uchar code, len; + ushort config_base = 0; + int found = 0; int i; - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ - cfg_ports (); - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); + addr = (volatile uchar *)(CFG_PCMCIA_MEM_ADDR + + CFG_PCMCIA_MEM_SIZE * (slot * 4)); + debug ("PCMCIA MEM: %08lX\n", (ulong)addr); - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; + start = p = (volatile uchar *) addr; - udelay(500); + while ((p - start) < MAX_TUPEL_SZ) { - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } + code = *p; p += 2; - /* - * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - pipr = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - pipr, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); + if (code == 0xFF) { /* End of chain */ + break; + } - if ((pipr & mask) == mask) { - set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ - set_vccd(0, 0); set_vccd(1, 1); /* 5V on, 3V off */ - puts (" 5.0V card found: "); - } else { - set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ - set_vccd(0, 1); set_vccd(1, 0); /* 5V off, 3V on */ - puts (" 3.3V card found: "); - } + len = *p; p += 2; +#if defined(DEBUG) && (DEBUG > 1) + { volatile uchar *q = p; + printf ("\nTuple code %02x length %d\n\tData:", + code, len); - /* Wait 500 ms; use this to check for over-current */ - for (i=0; i<5000; ++i) { - if (!get_oc()) { - printf (" *** Overcurrent - Safety shutdown ***\n"); - set_vccd(0, 0); set_vccd(1, 0); /* VAVPP => Hi-Z */ - return (1); + for (i = 0; i < len; ++i) { + printf (" %02x", *q); + q+= 2; + } } - udelay (100); +#endif /* DEBUG */ + switch (code) { + case CISTPL_VERS_1: + ident = p + 4; + break; + case CISTPL_FUNCID: + /* Fix for broken SanDisk which may have 0x80 bit set */ + func_id = *p & 0x7F; + break; + case CISTPL_FUNCE: + if (n_features < MAX_FEATURES) + feature_p[n_features++] = p; + break; + case CISTPL_CONFIG: + config_base = (*(p+6) << 8) + (*(p+4)); + debug ("\n## Config_base = %04x ###\n", config_base); + default: + break; + } + p += 2 * len; } - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - /* All voltages off / Hi-Z */ - set_vppd(0, 1); set_vppd(1, 1); - set_vccd(0, 1); set_vccd(1, 1); - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - ushort sreg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn all power pins to Hi-Z - */ - debug ("PCMCIA power OFF\n"); - cfg_ports (); /* Enables switch, but all in Hi-Z */ - - sreg = immap->im_ioport.iop_pcdat; - set_vppd(0, 1); set_vppd(1, 1); - - switch(vcc) { - case 0: - break; /* Switch off */ - - case 33: - set_vccd(0, 1); set_vccd(1, 0); - break; + found = identify (ident); - case 50: - set_vccd(0, 0); set_vccd(1, 1); - break; + if (func_id != ((uchar)~0)) { + print_funcid (func_id); - default: - goto done; + if (func_id == CISTPL_FUNCID_FIXED) + found = 1; + else + return (1); /* no disk drive */ } - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -static void cfg_ports (void) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - - immap = (immap_t *)CFG_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - - cfg_vppd(0); cfg_vppd(1); /* VPPD0,VPPD1 VAVPP => Hi-Z */ - cfg_vccd(0); cfg_vccd(1); /* 3V and 5V off */ - cfg_shdn(); - cfg_oc(); - - /* - * Configure Port A for TPS2211 PC-Card Power-Interface Switch - * - * Switch off all voltages, assert shutdown - */ - set_vppd(0, 1); set_vppd(1, 1); - set_vccd(0, 0); set_vccd(1, 0); - set_shdn(1); - - udelay(100000); -} - -#endif /* NETTA */ - - -/* -------------------------------------------------------------------- */ -/* UC100 Boards */ -/* -------------------------------------------------------------------- */ - -#if defined(CONFIG_UC100) - -#define PCMCIA_BOARD_MSG "UC100" - -/* - * Remark: don't turn off OE "__MY_PCMCIA_GCRX_CXOE" on UC100 board. - * This leads to board-hangup! (sr, 8 Dez. 2004) - */ - -static void cfg_ports (void); - -static int hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CFG_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); - - /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ - cfg_ports (); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); + for (i=0; i<n_features; ++i) { + print_fixed (feature_p[i]); } - /* - * Power On. - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - if ((reg & mask) == mask) { - puts (" 5.0V card found: "); - } else { - puts (" 3.3V card found: "); + if (!found) { + printf ("unknown card type\n"); + return (1); } - /* switch VCC on */ - immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */ - - udelay(10000); - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -static int hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - - /* switch VCC off */ - immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */ - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(10000); - - return (0); -} -#endif /* CFG_CMD_PCMCIA */ - - -static int voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CFG_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn all power pins to Hi-Z - */ - debug ("PCMCIA power OFF\n"); - cfg_ports (); /* Enables switch, but all in Hi-Z */ - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); + ide_devices_found |= (1 << slot); - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); +#if CONFIG_CPC45 +#else + /* set I/O area in config reg -> only valid for ARGOSY D5!!! */ + *((uchar *)(addr + config_base)) = 1; +#endif +#if 0 + printf("\n## Config_base = %04x ###\n", config_base); + printf("Configuration Option Register: %02x @ %x\n", readb(addr + config_base), addr + config_base); + printf("Card Configuration and Status Register: %02x\n", readb(addr + config_base + 2)); + printf("Pin Replacement Register Register: %02x\n", readb(addr + config_base + 4)); + printf("Socket and Copy Register: %02x\n", readb(addr + config_base + 6)); +#endif return (0); } -static void cfg_ports (void) -{ - volatile immap_t *immap; - - immap = (immap_t *)CFG_IMMR; - - /* - * Configure Port A for MAX1602 PC-Card Power-Interface Switch - */ - immap->im_ioport.iop_padat &= ~0x8000; /* set port x output to low */ - immap->im_ioport.iop_padir |= 0x8000; /* enable port x as output */ - - debug ("Set Port A: PAR: %08x DIR: %08x DAT: %08x\n", - immap->im_ioport.iop_papar, immap->im_ioport.iop_padir, - immap->im_ioport.iop_padat); -} - -#endif /* UC100 */ - - -/* -------------------------------------------------------------------- */ - -#endif /* CFG_CMD_PCMCIA || (CFG_CMD_IDE && CONFIG_IDE_8xx_PCCARD) */ - -/**************************************************/ - -#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) -U_BOOT_CMD( - pinit, 2, 1, do_pinit, - "pinit - PCMCIA sub-system\n", - "on - power on PCMCIA socket\n" - "pinit off - power off PCMCIA socket\n" -); -#endif +#endif /* CHECK_IDE_DEVICE */ diff --git a/drivers/Makefile b/drivers/Makefile index e6176ed..8e79528 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -31,7 +31,7 @@ OBJS = 3c589.o 5701rls.o ali512x.o \ bcm570x.o bcm570x_autoneg.o cfb_console.o cfi_flash.o \ cs8900.o ct69000.o dataflash.o dc2114x.o dm9000x.o \ e1000.o eepro100.o \ - i8042.o i82365.o inca-ip_sw.o keyboard.o \ + i8042.o inca-ip_sw.o keyboard.o \ lan91c96.o \ natsemi.o ne2000.o netarm_eth.o netconsole.o \ ns16550.o ns8382x.o ns87308.o ns7520_eth.o omap1510_i2c.o \ @@ -48,7 +48,9 @@ OBJS = 3c589.o 5701rls.o ali512x.o \ ti_pci1410a.o tigon3.o tsec.o \ usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \ videomodes.o w83c553f.o \ - ks8695eth.o + ks8695eth.o \ + pxa_pcmcia.o mpc8xx_pcmcia.o tqm8xx_pcmcia.o \ + rpx_pcmcia.o all: $(LIB) diff --git a/drivers/mpc8xx_pcmcia.c b/drivers/mpc8xx_pcmcia.c new file mode 100644 index 0000000..1fb106f --- /dev/null +++ b/drivers/mpc8xx_pcmcia.c @@ -0,0 +1,302 @@ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#if defined(CONFIG_8xx) && defined(CONFIG_PCMCIA) + +#if defined(CONFIG_IDE_8xx_PCCARD) +extern int check_ide_device (int slot); +#endif + +extern int pcmcia_hardware_enable (int slot); +extern int pcmcia_voltage_set(int slot, int vcc, int vpp); + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +extern int pcmcia_hardware_disable(int slot); +#endif + +static u_int m8xx_get_graycode(u_int size); +#if 0 /* Disabled */ +static u_int m8xx_get_speed(u_int ns, u_int is_io); +#endif + +/* look up table for pgcrx registers */ +u_int *pcmcia_pgcrx[2] = { + &((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcra, + &((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb, +}; + +/* + * Search this table to see if the windowsize is + * supported... + */ + +#define M8XX_SIZES_NO 32 + +static const u_int m8xx_size_to_gray[M8XX_SIZES_NO] = +{ 0x00000001, 0x00000002, 0x00000008, 0x00000004, + 0x00000080, 0x00000040, 0x00000010, 0x00000020, + 0x00008000, 0x00004000, 0x00001000, 0x00002000, + 0x00000100, 0x00000200, 0x00000800, 0x00000400, + + 0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff, + 0x01000000, 0x02000000, 0xffffffff, 0x04000000, + 0x00010000, 0x00020000, 0x00080000, 0x00040000, + 0x00800000, 0x00400000, 0x00100000, 0x00200000 }; + + +/* -------------------------------------------------------------------- */ + +#ifdef CONFIG_HMI10 +#define HMI10_FRAM_TIMING ( PCMCIA_SHT(2) \ + | PCMCIA_SST(2) \ + | PCMCIA_SL(4)) +#endif + +#if defined(CONFIG_LWMON) || defined(CONFIG_NSCU) +#define CFG_PCMCIA_TIMING ( PCMCIA_SHT(9) \ + | PCMCIA_SST(3) \ + | PCMCIA_SL(12)) +#else +#define CFG_PCMCIA_TIMING ( PCMCIA_SHT(2) \ + | PCMCIA_SST(4) \ + | PCMCIA_SL(9)) +#endif + +/* -------------------------------------------------------------------- */ + +int pcmcia_on (void) +{ + u_long reg, base; + pcmcia_win_t *win; + u_int slotbit; + u_int rc, slot; + int i; + + debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); + + /* intialize the fixed memory windows */ + win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); + base = CFG_PCMCIA_MEM_ADDR; + + if((reg = m8xx_get_graycode(CFG_PCMCIA_MEM_SIZE)) == -1) { + printf ("Cannot set window size to 0x%08x\n", + CFG_PCMCIA_MEM_SIZE); + return (1); + } + + slotbit = PCMCIA_SLOT_x; + for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { + win->br = base; + +#if (PCMCIA_SOCKETS_NO == 2) + if (i == 4) /* Another slot starting from win 4 */ + slotbit = (slotbit ? PCMCIA_PSLOT_A : PCMCIA_PSLOT_B); +#endif + switch (i) { +#ifdef CONFIG_IDE_8xx_PCCARD + case 4: +#ifdef CONFIG_HMI10 + { /* map FRAM area */ + win->or = ( PCMCIA_BSIZE_256K + | PCMCIA_PPS_8 + | PCMCIA_PRS_ATTR + | slotbit + | PCMCIA_PV + | HMI10_FRAM_TIMING ); + break; + } +#endif + case 0: { /* map attribute memory */ + win->or = ( PCMCIA_BSIZE_64M + | PCMCIA_PPS_8 + | PCMCIA_PRS_ATTR + | slotbit + | PCMCIA_PV + | CFG_PCMCIA_TIMING ); + break; + } + case 5: + case 1: { /* map I/O window for data reg */ + win->or = ( PCMCIA_BSIZE_1K + | PCMCIA_PPS_16 + | PCMCIA_PRS_IO + | slotbit + | PCMCIA_PV + | CFG_PCMCIA_TIMING ); + break; + } + case 6: + case 2: { /* map I/O window for cmd/ctrl reg block */ + win->or = ( PCMCIA_BSIZE_1K + | PCMCIA_PPS_8 + | PCMCIA_PRS_IO + | slotbit + | PCMCIA_PV + | CFG_PCMCIA_TIMING ); + break; + } +#endif /* CONFIG_IDE_8xx_PCCARD */ +#ifdef CONFIG_HMI10 + case 3: { /* map I/O window for 4xUART data/ctrl */ + win->br += 0x40000; + win->or = ( PCMCIA_BSIZE_256K + | PCMCIA_PPS_8 + | PCMCIA_PRS_IO + | slotbit + | PCMCIA_PV + | CFG_PCMCIA_TIMING ); + break; + } +#endif /* CONFIG_HMI10 */ + default: /* set to not valid */ + win->or = 0; + break; + } + + debug ("MemWin %d: PBR 0x%08lX POR %08lX\n", + i, win->br, win->or); + base += CFG_PCMCIA_MEM_SIZE; + ++win; + } + + for (i=0, rc=0, slot=_slot_; i<PCMCIA_SOCKETS_NO; i++, slot = !slot) { + /* turn off voltage */ + if ((rc = pcmcia_voltage_set(slot, 0, 0))) + continue; + + /* Enable external hardware */ + if ((rc = pcmcia_hardware_enable(slot))) + continue; + +#ifdef CONFIG_IDE_8xx_PCCARD + if ((rc = check_ide_device(i))) + continue; +#endif + } + return rc; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_off (void) +{ + int i; + pcmcia_win_t *win; + + printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); + + /* clear interrupt state, and disable interrupts */ + ((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pscr = PCMCIA_MASK(_slot_); + ((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_per &= ~PCMCIA_MASK(_slot_); + + /* turn off interrupt and disable CxOE */ + PCMCIA_PGCRX(_slot_) = __MY_PCMCIA_GCRX_CXOE; + + /* turn off memory windows */ + win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); + + for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { + /* disable memory window */ + win->or = 0; + ++win; + } + + /* turn off voltage */ + pcmcia_voltage_set(_slot_, 0, 0); + + /* disable external hardware */ + printf ("Shutdown and Poweroff " PCMCIA_SLOT_MSG "\n"); + pcmcia_hardware_disable(_slot_); + return 0; +} +#endif /* CFG_CMD_PCMCIA */ + + +static u_int m8xx_get_graycode(u_int size) +{ + u_int k; + + for (k = 0; k < M8XX_SIZES_NO; k++) { + if(m8xx_size_to_gray[k] == size) + break; + } + + if((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1)) + k = -1; + + return k; +} + +#if 0 + +#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE) + +/* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks. + * SYPCR is write once only, therefore must the slowest memory be faster + * than the bus monitor or we will get a machine check due to the bus timeout. + */ +#undef PCMCIA_BMT_LIMIT +#define PCMCIA_BMT_LIMIT (6*8) +#endif + +static u_int m8xx_get_speed(u_int ns, u_int is_io) +{ + u_int reg, clocks, psst, psl, psht; + + if(!ns) { + + /* + * We get called with IO maps setup to 0ns + * if not specified by the user. + * They should be 255ns. + */ + + if(is_io) + ns = 255; + else + ns = 100; /* fast memory if 0 */ + } + + /* + * In PSST, PSL, PSHT fields we tell the controller + * timing parameters in CLKOUT clock cycles. + * CLKOUT is the same as GCLK2_50. + */ + + /* how we want to adjust the timing - in percent */ + +#define ADJ 180 /* 80 % longer accesstime - to be sure */ + + clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000; + clocks = (clocks * ADJ) / (100*1000); + + if(clocks >= PCMCIA_BMT_LIMIT) { + DEBUG(0, "Max access time limit reached\n"); + clocks = PCMCIA_BMT_LIMIT-1; + } + + psst = clocks / 7; /* setup time */ + psht = clocks / 7; /* hold time */ + psl = (clocks * 5) / 7; /* strobe length */ + + psst += clocks - (psst + psht + psl); + + reg = psst << 12; + reg |= psl << 7; + reg |= psht << 16; + + return reg; +} +#endif /* 0 */ + +#endif /* CONFIG_8xx && CONFIG_PCMCIA */ diff --git a/drivers/pxa_pcmcia.c b/drivers/pxa_pcmcia.c new file mode 100644 index 0000000..d9d38bb --- /dev/null +++ b/drivers/pxa_pcmcia.c @@ -0,0 +1,95 @@ +#include <common.h> +#include <config.h> + +#ifdef CONFIG_PXA_PCMCIA + +#include <pcmcia.h> +#include <asm/arch/pxa-regs.h> +#include <asm/io.h> + +static inline void msWait(unsigned msVal) +{ + udelay(msVal*1000); +} + +int pcmcia_on (void) +{ + unsigned int reg_arr[] = { + 0x48000028, CFG_MCMEM0_VAL, + 0x4800002c, CFG_MCMEM1_VAL, + 0x48000030, CFG_MCATT0_VAL, + 0x48000034, CFG_MCATT1_VAL, + 0x48000038, CFG_MCIO0_VAL, + 0x4800003c, CFG_MCIO1_VAL, + + 0, 0 + }; + int i, rc; + +#ifdef CONFIG_EXADRON1 + int cardDetect; + volatile unsigned int *v_pBCRReg = + (volatile unsigned int *) 0x08000000; +#endif + + debug ("%s\n", __FUNCTION__); + + i = 0; + while (reg_arr[i]) + *((volatile unsigned int *) reg_arr[i++]) |= reg_arr[i++]; + udelay (1000); + + debug ("%s: programmed mem controller \n", __FUNCTION__); + +#ifdef CONFIG_EXADRON1 + +/*define useful BCR masks */ +#define BCR_CF_INIT_VAL 0x00007230 +#define BCR_CF_PWRON_BUSOFF_RESETOFF_VAL 0x00007231 +#define BCR_CF_PWRON_BUSOFF_RESETON_VAL 0x00007233 +#define BCR_CF_PWRON_BUSON_RESETON_VAL 0x00007213 +#define BCR_CF_PWRON_BUSON_RESETOFF_VAL 0x00007211 + + /* we see from the GPIO bit if the card is present */ + cardDetect = !(GPLR0 & GPIO_bit (14)); + + if (cardDetect) { + printf ("No PCMCIA card found!\n"); + } + + /* reset the card via the BCR line */ + *v_pBCRReg = (unsigned) BCR_CF_INIT_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETOFF_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETON_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETON_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETOFF_VAL; + msWait (1500); + + /* enable address bus */ + GPCR1 = 0x01; + /* and the first CF slot */ + MECR = 0x00000002; + +#endif /* EXADRON 1 */ + + rc = check_ide_device (0); /* use just slot 0 */ + + return rc; +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_off (void) +{ + return 0; +} +#endif + +#endif /* CONFIG_PXA_PCMCIA */ diff --git a/drivers/rpx_pcmcia.c b/drivers/rpx_pcmcia.c new file mode 100644 index 0000000..01ff1d4 --- /dev/null +++ b/drivers/rpx_pcmcia.c @@ -0,0 +1,71 @@ +/* -------------------------------------------------------------------- */ +/* RPX Boards from Embedded Planet */ +/* -------------------------------------------------------------------- */ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if CONFIG_COMMANDS & CFG_CMD_PCMCIA +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#if defined(CONFIG_PCMCIA) \ + && (defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE)) + +#define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE" + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ + u_long reg = 0; + + switch(vcc) { + case 0: break; + case 33: reg |= BCSR1_PCVCTL4; break; + case 50: reg |= BCSR1_PCVCTL5; break; + default: return 1; + } + + switch(vpp) { + case 0: break; + case 33: + case 50: + if(vcc == vpp) + reg |= BCSR1_PCVCTL6; + else + return 1; + break; + case 120: + reg |= BCSR1_PCVCTL7; + default: return 1; + } + + /* first, turn off all power */ + *((uint *)RPX_CSR_ADDR) &= ~(BCSR1_PCVCTL4 | BCSR1_PCVCTL5 + | BCSR1_PCVCTL6 | BCSR1_PCVCTL7); + + /* enable new powersettings */ + *((uint *)RPX_CSR_ADDR) |= reg; + + return 0; +} + +int pcmcia_hardware_enable (int slot) +{ + return 0; /* No hardware to enable */ +} + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int pcmcia_hardware_disable(int slot) +{ + return 0; /* No hardware to disable */ +} +#endif /* CONFIG_COMMANDS & CFG_CMD_PCMCIA */ + + +#endif /* CONFIG_PCMCIA && (CONFIG_RPXCLASSIC || CONFIG_RPXLITE) */ diff --git a/drivers/tqm8xx_pcmcia.c b/drivers/tqm8xx_pcmcia.c new file mode 100644 index 0000000..8d4a85c --- /dev/null +++ b/drivers/tqm8xx_pcmcia.c @@ -0,0 +1,328 @@ +/* -------------------------------------------------------------------- */ +/* TQM8xxL Boards by TQ Components */ +/* SC8xx Boards by SinoVee Microsystems */ +/* -------------------------------------------------------------------- */ +#include <common.h> +#include <mpc8xx.h> +#include <pcmcia.h> + +#undef CONFIG_PCMCIA + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +#define CONFIG_PCMCIA +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) +#define CONFIG_PCMCIA +#endif + +#if defined(CONFIG_PCMCIA) \ + && (defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx)) + +#if defined(CONFIG_VIRTLAB2) +#define PCMCIA_BOARD_MSG "Virtlab2" +#elif defined(CONFIG_TQM8xxL) +#define PCMCIA_BOARD_MSG "TQM8xxL" +#elif defined(CONFIG_SVM_SC8xx) +#define PCMCIA_BOARD_MSG "SC8xx" +#endif + +#if defined(CONFIG_NSCU) + +#define power_config(slot) do {} while (0) +#define power_off(slot) do {} while (0) +#define power_on_5_0(slot) do {} while (0) +#define power_on_3_3(slot) do {} while (0) + +#elif defined(CONFIG_HMI10) + +static inline void power_config(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + /* + * Configure Port B pins for + * 5 Volts Enable and 3 Volts enable + */ + immap->im_cpm.cp_pbpar &= ~(0x00000300); +} + +static inline void power_off(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + /* remove all power */ + immap->im_cpm.cp_pbdat |= 0x00000300; +} + +static inline void power_on_5_0(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + immap->im_cpm.cp_pbdat &= ~(0x0000100); + immap->im_cpm.cp_pbdir |= 0x00000300; +} + +static inline void power_on_3_3(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + immap->im_cpm.cp_pbdat &= ~(0x0000200); + immap->im_cpm.cp_pbdir |= 0x00000300; +} + +#elif defined(CONFIG_VIRTLAB2) + +#define power_config(slot) do {} while (0) +static inline void power_off(int slot) +{ + volatile unsigned char *powerctl = + (volatile unsigned char *)PCMCIA_CTRL; + *powerctl = 0; +} + +static inline void power_on_5_0(int slot) +{ + volatile unsigned char *powerctl = + (volatile unsigned char *)PCMCIA_CTRL; + *powerctl = 2; /* Enable 5V Vccout */ +} + +static inline void power_on_3_3(int slot) +{ + volatile unsigned char *powerctl = + (volatile unsigned char *)PCMCIA_CTRL; + *powerctl = 1; /* Enable 3.3V Vccout */ +} + +#else + +static inline void power_config(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + /* + * Configure Port C pins for + * 5 Volts Enable and 3 Volts enable + */ + immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); + immap->im_ioport.iop_pcso &= ~(0x0002 | 0x0004); +} + +static inline void power_off(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); +} + +static inline void power_on_5_0(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + immap->im_ioport.iop_pcdat |= 0x0004; + immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004); +} + +static inline void power_on_3_3(int slot) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + immap->im_ioport.iop_pcdat |= 0x0002; + immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004); +} + +#endif + +#ifdef CONFIG_HMI10 +static inline int check_card_is_absent(int slot) +{ + volatile pcmconf8xx_t *pcmp = + (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + return pcmp->pcmc_pipr & (0x10000000 >> (slot << 4)); +} +#else +static inline int check_card_is_absent(int slot) +{ + volatile pcmconf8xx_t *pcmp = + (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + return pcmp->pcmc_pipr & (0x18000000 >> (slot << 4)); +} +#endif + +#ifdef NSCU_OE_INV +#define NSCU_GCRX_CXOE 0 +#else +#define NSCU_GCRX_CXOE __MY_PCMCIA_GCRX_CXOE +#endif + +int pcmcia_hardware_enable(int slot) +{ + volatile pcmconf8xx_t *pcmp = + (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + volatile sysconf8xx_t *sysp = + (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + uint reg, mask; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + /* + * Configure SIUMCR to enable PCMCIA port B + * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) + */ + sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ + + /* clear interrupt state, and disable interrupts */ + pcmp->pcmc_pscr = PCMCIA_MASK(slot); + pcmp->pcmc_per &= ~PCMCIA_MASK(slot); + + /* + * Disable interrupts, DMA, and PCMCIA buffers + * (isolate the interface) and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= NSCU_GCRX_CXOE; + + PCMCIA_PGCRX(slot) = reg; + udelay(500); + + power_config(slot); + power_off(slot); + + /* + * Make sure there is a card in the slot, then configure the interface. + */ + udelay(10000); + debug ("[%d] %s: PIPR(%p)=0x%x\n", __LINE__,__FUNCTION__, + &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); + + if (check_card_is_absent(slot)) { + printf (" No Card found\n"); + return (1); + } + + /* + * Power On. + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + reg = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + reg, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + + if ((reg & mask) == mask) { + power_on_5_0(slot); + puts (" 5.0V card found: "); + } else { + power_on_3_3(slot); + puts (" 3.3V card found: "); + } + +#if 0 + /* VCC switch error flag, PCMCIA slot INPACK_ pin */ + cp->cp_pbdir &= ~(0x0020 | 0x0010); + cp->cp_pbpar &= ~(0x0020 | 0x0010); + udelay(500000); +#endif + + udelay(1000); + debug ("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(slot); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + reg &= ~NSCU_GCRX_CXOE; + + PCMCIA_PGCRX(slot) = reg; + + udelay(250000); /* some cards need >150 ms to come up :-( */ + + debug ("# hardware_enable done\n"); + + return (0); +} + + +#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +int pcmcia_hardware_disable(int slot) +{ + volatile pcmconf8xx_t *pcmp = + (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + + /* remove all power */ + power_off(slot); + + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = 0; + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= NSCU_GCRX_CXOE; /* active low */ + + PCMCIA_PGCRX(slot) = reg; + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + +int pcmcia_voltage_set(int slot, int vcc, int vpp) +{ +#ifndef CONFIG_NSCU + volatile pcmconf8xx_t *pcmp = + (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + u_long reg; + + debug ("voltage_set: " PCMCIA_BOARD_MSG + " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", + 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); + + /* + * Disable PCMCIA buffers (isolate the interface) + * and assert RESET signal + */ + debug ("Disable PCMCIA buffers and assert RESET\n"); + reg = PCMCIA_PGCRX(slot); + reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ + reg |= NSCU_GCRX_CXOE; /* active low */ + + PCMCIA_PGCRX(slot) = reg; + udelay(500); + + debug ("PCMCIA power OFF\n"); + power_config(slot); + power_off(slot); + + switch(vcc) { + case 0: break; + case 33: power_on_3_3(slot); break; + case 50: power_on_5_0(slot); break; + default: goto done; + } + + /* Checking supported voltages */ + + debug("PIPR: 0x%x --> %s\n", pcmp->pcmc_pipr, + (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); + + if (vcc) + debug("PCMCIA powered at %sV\n", (vcc == 50) ? "5.0" : "3.3"); + else + debug("PCMCIA powered down\n"); + +done: + debug("Enable PCMCIA buffers and stop RESET\n"); + reg = PCMCIA_PGCRX(slot); + reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ + reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ + reg &= ~NSCU_GCRX_CXOE; /* active low */ + + PCMCIA_PGCRX(slot) = reg; + udelay(500); + + debug("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", slot+'A'); +#endif /* CONFIG_NSCU */ + return (0); +} + +#endif /* CONFIG_PCMCIA && (CONFIG_TQM8xxL || CONFIG_SVM_SC8xx) */ diff --git a/include/pcmcia.h b/include/pcmcia.h index 43d4510..8f564da 100644 --- a/include/pcmcia.h +++ b/include/pcmcia.h @@ -308,4 +308,14 @@ typedef struct { #endif /* CFG_CMD_PCMCIA || CFG_CMD_IDE && (CONFIG_IDE_8xx_PCCARD || CONFIG_IDE_8xx_DIRECT) */ +#ifdef CONFIG_8xx +extern u_int *pcmcia_pgcrx[]; +#define PCMCIA_PGCRX(slot) (*pcmcia_pgcrx[slot]) +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) \ + || defined(CONFIG_PXA_PCMCIA) +extern int check_ide_device(int slot); +#endif + #endif /* _PCMCIA_H */ |