diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/sh_eth.c | 603 | ||||
| -rw-r--r-- | drivers/net/sh_eth.h | 446 |
3 files changed, 1050 insertions, 0 deletions
diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 84be288..bcf31cb 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -66,6 +66,7 @@ COBJS-$(CONFIG_ULI526X) += uli526x.o COBJS-$(CONFIG_VSC7385_ENET) += vsc7385.o COBJS-$(CONFIG_XILINX_EMAC) += xilinx_emac.o COBJS-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o +COBJS-$(CONFIG_SH_ETHER) += sh_eth.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c new file mode 100644 index 0000000..9e3cf98 --- /dev/null +++ b/drivers/net/sh_eth.c @@ -0,0 +1,603 @@ +/* + * sh_eth.c - Driver for Renesas SH7763's ethernet controler. + * + * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (c) 2008 Nobuhiro Iwamatsu + * Copyright (c) 2007 Carlos Munoz <carlos@kenati.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <config.h> +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <asm/errno.h> +#include <asm/io.h> + +#include "sh_eth.h" + +#ifndef CONFIG_SH_ETHER_USE_PORT +# error "Please define CONFIG_SH_ETHER_USE_PORT" +#endif +#ifndef CONFIG_SH_ETHER_PHY_ADDR +# error "Please define CONFIG_SH_ETHER_PHY_ADDR" +#endif + +extern int eth_init(bd_t *bd); +extern void eth_halt(void); +extern int eth_rx(void); +extern int eth_send(volatile void *packet, int length); + +static struct dev_info_s *dev; + +/* + * Bits are written to the PHY serially using the + * PIR register, just like a bit banger. + */ +static void sh_eth_mii_write_phy_bits(int port, u32 val, int len) +{ + int i; + u32 pir; + + /* Bit positions is 1 less than the number of bits */ + for (i = len - 1; i >= 0; i--) { + /* Write direction, bit to write, clock is low */ + pir = 2 | ((val & 1 << i) ? 1 << 2 : 0); + outl(pir, PIR(port)); + udelay(1); + /* Write direction, bit to write, clock is high */ + pir = 3 | ((val & 1 << i) ? 1 << 2 : 0); + outl(pir, PIR(port)); + udelay(1); + /* Write direction, bit to write, clock is low */ + pir = 2 | ((val & 1 << i) ? 1 << 2 : 0); + outl(pir, PIR(port)); + udelay(1); + } +} + +static void sh_eth_mii_bus_release(int port) +{ + /* Read direction, clock is low */ + outl(0, PIR(port)); + udelay(1); + /* Read direction, clock is high */ + outl(1, PIR(port)); + udelay(1); + /* Read direction, clock is low */ + outl(0, PIR(port)); + udelay(1); +} + +static void sh_eth_mii_ind_bus_release(int port) +{ + /* Read direction, clock is low */ + outl(0, PIR(port)); + udelay(1); +} + +static int sh_eth_mii_read_phy_bits(int port, u32 * val, int len) +{ + int i; + u32 pir; + + *val = 0; + for (i = len - 1; i >= 0; i--) { + /* Read direction, clock is high */ + outl(1, PIR(port)); + udelay(1); + /* Read bit */ + pir = inl(PIR(port)); + *val |= (pir & 8) ? 1 << i : 0; + /* Read direction, clock is low */ + outl(0, PIR(port)); + udelay(1); + } + + return 0; +} + +#define PHY_INIT 0xFFFFFFFF +#define PHY_READ 0x02 +#define PHY_WRITE 0x01 +/* + * To read a phy register, mii managements frames are sent to the phy. + * The frames look like this: + * pre (32 bits): 0xffff ffff + * st (2 bits): 01 + * op (2bits): 10: read 01: write + * phyad (5 bits): xxxxx + * regad (5 bits): xxxxx + * ta (Bus release): + * data (16 bits): read data + */ +static u32 sh_eth_mii_read_phy_reg(int port, u8 phy_addr, int reg) +{ + u32 val; + + /* Sent mii management frame */ + /* pre */ + sh_eth_mii_write_phy_bits(port, PHY_INIT, 32); + /* st (start of frame) */ + sh_eth_mii_write_phy_bits(port, 0x1, 2); + /* op (code) */ + sh_eth_mii_write_phy_bits(port, PHY_READ, 2); + /* phy address */ + sh_eth_mii_write_phy_bits(port, phy_addr, 5); + /* Register to read */ + sh_eth_mii_write_phy_bits(port, reg, 5); + + /* Bus release */ + sh_eth_mii_bus_release(port); + + /* Read register */ + sh_eth_mii_read_phy_bits(port, &val, 16); + + return val; +} + +/* + * To write a phy register, mii managements frames are sent to the phy. + * The frames look like this: + * pre (32 bits): 0xffff ffff + * st (2 bits): 01 + * op (2bits): 10: read 01: write + * phyad (5 bits): xxxxx + * regad (5 bits): xxxxx + * ta (2 bits): 10 + * data (16 bits): write data + * idle (Independent bus release) + */ +static void sh_eth_mii_write_phy_reg(int port, u8 phy_addr, int reg, u16 val) +{ + /* Sent mii management frame */ + /* pre */ + sh_eth_mii_write_phy_bits(port, PHY_INIT, 32); + /* st (start of frame) */ + sh_eth_mii_write_phy_bits(port, 0x1, 2); + /* op (code) */ + sh_eth_mii_write_phy_bits(port, PHY_WRITE, 2); + /* phy address */ + sh_eth_mii_write_phy_bits(port, phy_addr, 5); + /* Register to read */ + sh_eth_mii_write_phy_bits(port, reg, 5); + /* ta */ + sh_eth_mii_write_phy_bits(port, PHY_READ, 2); + /* Write register data */ + sh_eth_mii_write_phy_bits(port, val, 16); + + /* Independent bus release */ + sh_eth_mii_ind_bus_release(port); +} + +void eth_halt(void) +{ +} + +int eth_send(volatile void *packet, int len) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + int timeout; + int rc = 0; + + if (!packet || len > 0xffff) { + printf("eth_send: Invalid argument\n"); + return -EINVAL; + } + + /* packet must be a 4 byte boundary */ + if ((int)packet & (4 - 1)) { + printf("eth_send: packet not 4 byte alligned\n"); + return -EFAULT; + } + + /* Update tx descriptor */ + port_info->tx_desc_cur->td2 = ADDR_TO_PHY(packet); + port_info->tx_desc_cur->td1 = len << 16; + /* Must preserve the end of descriptor list indication */ + if (port_info->tx_desc_cur->td0 & TD_TDLE) + port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP | TD_TDLE; + else + port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP; + + /* Restart the transmitter if disabled */ + if (!(inl(EDTRR(port)) & EDTRR_TRNS)) + outl(EDTRR_TRNS, EDTRR(port)); + + /* Wait until packet is transmitted */ + timeout = 1000; + while (port_info->tx_desc_cur->td0 & TD_TACT && timeout--) + udelay(100); + + if (timeout < 0) { + printf("eth_send: transmit timeout\n"); + rc = -1; + goto err; + } + +err: + port_info->tx_desc_cur++; + if (port_info->tx_desc_cur >= port_info->tx_desc_base + NUM_TX_DESC) + port_info->tx_desc_cur = port_info->tx_desc_base; + + return rc; +} + +int eth_rx(void) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + int len = 0; + volatile u8 *packet; + + /* Check if the rx descriptor is ready */ + if (!(port_info->rx_desc_cur->rd0 & RD_RACT)) { + /* Check for errors */ + if (!(port_info->rx_desc_cur->rd0 & RD_RFE)) { + len = port_info->rx_desc_cur->rd1 & 0xffff; + packet = (volatile u8 *) + ADDR_TO_P2(port_info->rx_desc_cur->rd2); + NetReceive(packet, len); + } + + /* Make current descriptor available again */ + if (port_info->rx_desc_cur->rd0 & RD_RDLE) + port_info->rx_desc_cur->rd0 = RD_RACT | RD_RDLE; + else + port_info->rx_desc_cur->rd0 = RD_RACT; + + /* Point to the next descriptor */ + port_info->rx_desc_cur++; + if (port_info->rx_desc_cur >= + port_info->rx_desc_base + NUM_RX_DESC) + port_info->rx_desc_cur = port_info->rx_desc_base; + } + + /* Restart the receiver if disabled */ + if (!(inl(EDRRR(port)) & EDRRR_R)) + outl(EDRRR_R, EDRRR(port)); + + return len; +} + +#define EDMR_INIT_CNT 1000 +static int sh_eth_reset(struct dev_info_s *dev) +{ + int port = dev->port; + int i; + + /* Start e-dmac transmitter and receiver */ + outl(EDSR_ENALL, EDSR(port)); + + /* Perform a software reset and wait for it to complete */ + outl(EDMR_SRST, EDMR(port)); + for (i = 0; i < EDMR_INIT_CNT; i++) { + if (!(inl(EDMR(port)) & EDMR_SRST)) + break; + udelay(1000); + } + + if (i == EDMR_INIT_CNT) { + printf("Error: Software reset timeout\n"); + return -1; + } + return 0; +} + +static int sh_eth_tx_desc_init(struct dev_info_s *dev) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + u32 tmp_addr; + struct tx_desc_s *cur_tx_desc; + int i; + + /* Allocate tx descriptors. They must be TX_DESC_SIZE bytes + aligned */ + if (!(port_info->tx_desc_malloc = malloc(NUM_TX_DESC * + sizeof(struct tx_desc_s) + + TX_DESC_SIZE - 1))) { + printf("Error: malloc failed\n"); + return -ENOMEM; + } + tmp_addr = (u32) (((int)port_info->tx_desc_malloc + TX_DESC_SIZE - 1) & + ~(TX_DESC_SIZE - 1)); + /* Make sure we use a P2 address (non-cacheable) */ + port_info->tx_desc_base = (struct tx_desc_s *)ADDR_TO_P2(tmp_addr); + + port_info->tx_desc_cur = port_info->tx_desc_base; + + /* Initialize all descriptors */ + for (cur_tx_desc = port_info->tx_desc_base, i = 0; i < NUM_TX_DESC; + cur_tx_desc++, i++) { + cur_tx_desc->td0 = 0x00; + cur_tx_desc->td1 = 0x00; + cur_tx_desc->td2 = 0x00; + } + + /* Mark the end of the descriptors */ + cur_tx_desc--; + cur_tx_desc->td0 |= TD_TDLE; + + /* Point the controller to the tx descriptor list. Must use physical + addresses */ + outl(ADDR_TO_PHY(port_info->tx_desc_base), TDLAR(port)); + outl(ADDR_TO_PHY(port_info->tx_desc_base), TDFAR(port)); + outl(ADDR_TO_PHY(cur_tx_desc), TDFXR(port)); + outl(0x01, TDFFR(port));/* Last discriptor bit */ + + return 0; +} + +static int sh_eth_rx_desc_init(struct dev_info_s *dev) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + u32 tmp_addr; + struct rx_desc_s *cur_rx_desc; + u8 *rx_buf; + int i; + + /* Allocate rx descriptors. They must be RX_DESC_SIZE bytes + aligned */ + if (!(port_info->rx_desc_malloc = malloc(NUM_RX_DESC * + sizeof(struct rx_desc_s) + + RX_DESC_SIZE - 1))) { + printf("Error: malloc failed\n"); + return -ENOMEM; + } + tmp_addr = (u32) (((int)port_info->rx_desc_malloc + RX_DESC_SIZE - 1) & + ~(RX_DESC_SIZE - 1)); + /* Make sure we use a P2 address (non-cacheable) */ + port_info->rx_desc_base = (struct rx_desc_s *)ADDR_TO_P2(tmp_addr); + + port_info->rx_desc_cur = port_info->rx_desc_base; + + /* Allocate rx data buffers. They must be 32 bytes aligned and in + P2 area */ + if (!(port_info->rx_buf_malloc = malloc(NUM_RX_DESC * MAX_BUF_SIZE + + 31))) { + printf("Error: malloc failed\n"); + free(port_info->rx_desc_malloc); + port_info->rx_desc_malloc = NULL; + return -ENOMEM; + } + tmp_addr = (u32)(((int)port_info->rx_buf_malloc + (32 - 1)) & + ~(32 - 1)); + port_info->rx_buf_base = (u8 *)ADDR_TO_P2(tmp_addr); + + /* Initialize all descriptors */ + for (cur_rx_desc = port_info->rx_desc_base, + rx_buf = port_info->rx_buf_base, i = 0; + i < NUM_RX_DESC; cur_rx_desc++, rx_buf += MAX_BUF_SIZE, i++) { + cur_rx_desc->rd0 = RD_RACT; + cur_rx_desc->rd1 = MAX_BUF_SIZE << 16; + cur_rx_desc->rd2 = (u32) ADDR_TO_PHY(rx_buf); + } + + /* Mark the end of the descriptors */ + cur_rx_desc--; + cur_rx_desc->rd0 |= RD_RDLE; + + /* Point the controller to the rx descriptor list */ + outl(ADDR_TO_PHY(port_info->rx_desc_base), RDLAR(port)); + outl(ADDR_TO_PHY(port_info->rx_desc_base), RDFAR(port)); + outl(ADDR_TO_PHY(cur_rx_desc), RDFXR(port)); + outl(RDFFR_RDLF, RDFFR(port)); + + return 0; +} + +static void sh_eth_desc_free(struct dev_info_s *dev) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + + if (port_info->tx_desc_malloc) { + free(port_info->tx_desc_malloc); + port_info->tx_desc_malloc = NULL; + } + + if (port_info->rx_desc_malloc) { + free(port_info->rx_desc_malloc); + port_info->rx_desc_malloc = NULL; + } + + if (port_info->rx_buf_malloc) { + free(port_info->rx_buf_malloc); + port_info->rx_buf_malloc = NULL; + } +} + +static int sh_eth_desc_init(struct dev_info_s *dev) +{ + int rc; + + if ((rc = sh_eth_tx_desc_init(dev)) || (rc = sh_eth_rx_desc_init(dev))) { + sh_eth_desc_free(dev); + return rc; + } + + return 0; +} + +static int sh_eth_phy_config(struct dev_info_s *dev) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + int timeout; + u32 val; + /* Reset phy */ + sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_CTRL, PHY_C_RESET); + timeout = 10; + while (timeout--) { + val = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, PHY_CTRL); + if (!(val & PHY_C_RESET)) + break; + udelay(50000); + } + if (timeout < 0) { + printf("%s phy reset timeout\n", __func__); + return -1; + } + + /* Advertise 100/10 baseT full/half duplex */ + sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_ANA, + (PHY_A_FDX|PHY_A_HDX|PHY_A_10FDX|PHY_A_10HDX|PHY_A_EXT)); + /* Autonegotiation, normal operation, full duplex, enable tx */ + sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_CTRL, + (PHY_C_ANEGEN|PHY_C_RANEG)); + /* Wait for autonegotiation to complete */ + timeout = 100; + while (timeout--) { + val = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, 1); + if (val & PHY_S_ANEGC) + break; + udelay(50000); + } + if (timeout < 0) { + printf("sh_eth_phy_config() phy auto-negotiation failed\n"); + return -1; + } + + return 0; +} + +static int sh_eth_config(struct dev_info_s *dev, bd_t * bd) +{ + int port = dev->port; + struct port_info_s *port_info = &dev->port_info[port]; + u32 val; + u32 phy_status; + int rc; + + /* Configure e-dmac registers */ + outl((inl(EDMR(port)) & ~EMDR_DESC_R) | EDMR_EL, EDMR(port)); + outl(0, EESIPR(port)); + outl(0, TRSCER(port)); + outl(0, TFTR(port)); + outl((FIFO_SIZE_T | FIFO_SIZE_R), FDR(port)); + outl(RMCR_RST, RMCR(port)); + outl(0, RPADIR(port)); + outl((FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR(port)); + + /* Configure e-mac registers */ + outl(0, ECSIPR(port)); + + /* Set Mac address */ + val = bd->bi_enetaddr[0] << 24 | bd->bi_enetaddr[1] << 16 | + bd->bi_enetaddr[2] << 8 | bd->bi_enetaddr[3]; + outl(val, MAHR(port)); + + val = bd->bi_enetaddr[4] << 8 | bd->bi_enetaddr[5]; + outl(val, MALR(port)); + + outl(RFLR_RFL_MIN, RFLR(port)); + outl(0, PIPR(port)); + outl(APR_AP, APR(port)); + outl(MPR_MP, MPR(port)); + outl(TPAUSER_TPAUSE, TPAUSER(port)); + + /* Configure phy */ + if ((rc = sh_eth_phy_config(dev))) + return rc; + + /* Read phy status to finish configuring the e-mac */ + phy_status = sh_eth_mii_read_phy_reg(dev->port, + dev->port_info[dev->port].phy_addr, + 1); + + /* Set the transfer speed */ + if (phy_status & (PHY_S_100X_F|PHY_S_100X_H)) { + printf("100Base/"); + outl(GECMR_100B, GECMR(port)); + } else { + printf("10Base/"); + outl(GECMR_10B, GECMR(port)); + } + + /* Check if full duplex mode is supported by the phy */ + if (phy_status & (PHY_S_100X_F|PHY_S_10T_F)) { + printf("Full\n"); + outl((ECMR_CHG_DM|ECMR_RE|ECMR_TE|ECMR_DM), ECMR(port)); + } else { + printf("Half\n"); + outl((ECMR_CHG_DM|ECMR_RE|ECMR_TE), ECMR(port)); + } + return 0; +} + +static int sh_eth_start(struct dev_info_s *dev) +{ + /* + * Enable the e-dmac receiver only. The transmitter will be enabled when + * we have something to transmit + */ + outl(EDRRR_R, EDRRR(dev->port)); + + return 0; +} + +static int sh_eth_get_mac(bd_t *bd) +{ + char *s, *e; + int i; + + s = getenv("ethaddr"); + if (s != NULL) { + for (i = 0; i < 6; ++i) { + bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0; + if (s) + s = (*e) ? e + 1 : e; + } + } else { + puts("Please set MAC address\n"); + } + return 0; +} + +int eth_init(bd_t *bd) +{ + int rc; + /* Allocate main device information structure */ + if (!(dev = malloc(sizeof(*dev)))) { + printf("eth_init: malloc failed\n"); + return -ENOMEM; + } + + memset(dev, 0, sizeof(*dev)); + + dev->port = CONFIG_SH_ETHER_USE_PORT; + dev->port_info[dev->port].phy_addr = CONFIG_SH_ETHER_PHY_ADDR; + + sh_eth_get_mac(bd); + + if ((rc = sh_eth_reset(dev)) || (rc = sh_eth_desc_init(dev))) + goto err; + + if ((rc = sh_eth_config(dev, bd)) || (rc = sh_eth_start(dev))) + goto err_desc; + + return 0; + +err_desc: + sh_eth_desc_free(dev); +err: + free(dev); + printf("eth_init: Failed\n"); + return rc; +} diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h new file mode 100644 index 0000000..9cf0ea0 --- /dev/null +++ b/drivers/net/sh_eth.h @@ -0,0 +1,446 @@ +/* + * sh_eth.h - Driver for Renesas SH7763's gigabit ethernet controler. + * + * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (c) 2008 Nobuhiro Iwamatsu + * Copyright (c) 2007 Carlos Munoz <carlos@kenati.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <asm/types.h> + +#define SHETHER_NAME "sh_eth" + +/* Malloc returns addresses in the P1 area (cacheable). However we need to + use area P2 (non-cacheable) */ +#define ADDR_TO_P2(addr) ((((int)(addr) & ~0xe0000000) | 0xa0000000)) + +/* The ethernet controller needs to use physical addresses */ +#define ADDR_TO_PHY(addr) ((int)(addr) & ~0xe0000000) + +/* Number of supported ports */ +#define MAX_PORT_NUM 2 + +/* Buffers must be big enough to hold the largest ethernet frame. Also, rx + buffers must be a multiple of 32 bytes */ +#define MAX_BUF_SIZE (48 * 32) + +/* The number of tx descriptors must be large enough to point to 5 or more + frames. If each frame uses 2 descriptors, at least 10 descriptors are needed. + We use one descriptor per frame */ +#define NUM_TX_DESC 8 + +/* The size of the tx descriptor is determined by how much padding is used. + 4, 20, or 52 bytes of padding can be used */ +#define TX_DESC_PADDING 4 +#define TX_DESC_SIZE (12 + TX_DESC_PADDING) + +/* Tx descriptor. We always use 4 bytes of padding */ +struct tx_desc_s { + volatile u32 td0; + u32 td1; + u32 td2; /* Buffer start */ + u32 padding; +}; + +/* There is no limitation in the number of rx descriptors */ +#define NUM_RX_DESC 8 + +/* The size of the rx descriptor is determined by how much padding is used. + 4, 20, or 52 bytes of padding can be used */ +#define RX_DESC_PADDING 4 +#define RX_DESC_SIZE (12 + RX_DESC_PADDING) + +/* Rx descriptor. We always use 4 bytes of padding */ +struct rx_desc_s { + volatile u32 rd0; + volatile u32 rd1; + u32 rd2; /* Buffer start */ + u32 padding; +}; + +struct port_info_s { + struct tx_desc_s *tx_desc_malloc; + struct tx_desc_s *tx_desc_base; + struct tx_desc_s *tx_desc_cur; + struct rx_desc_s *rx_desc_malloc; + struct rx_desc_s *rx_desc_base; + struct rx_desc_s *rx_desc_cur; + u8 *rx_buf_malloc; + u8 *rx_buf_base; + u8 mac_addr[6]; + u8 phy_addr; +}; + +struct dev_info_s { + int port; + struct port_info_s port_info[MAX_PORT_NUM]; +}; + +/* Register Address */ +#define BASE_IO_ADDR 0xfee00000 + +#define EDSR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000) + +#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010) +#define TDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0014) +#define TDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018) +#define TDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x001c) + +#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030) +#define RDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0034) +#define RDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038) +#define RDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x003c) + +#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0400) +#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0408) +#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0410) +#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0428) +#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0430) +#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0438) +#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0448) +#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0450) +#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0458) +#define RPADIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0460) +#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0468) +#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0500) +#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0508) +#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0518) +#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0520) +#define PIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x052c) +#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0554) +#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0558) +#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0564) +#define GECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05b0) +#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c8) +#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c0) + +/* + * Register's bits + * Copy from Linux driver source code + */ +#ifdef CONFIG_CPU_SH7763 +/* EDSR */ +enum EDSR_BIT { + EDSR_ENT = 0x01, EDSR_ENR = 0x02, +}; +#define EDSR_ENALL (EDSR_ENT|EDSR_ENR) +#endif + +/* EDMR */ +enum DMAC_M_BIT { + EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, +#ifdef CONFIG_CPU_SH7763 + EDMR_SRST = 0x03, + EMDR_DESC_R = 0x30, /* Descriptor reserve size */ + EDMR_EL = 0x40, /* Litte endian */ +#else /* CONFIG_CPU_SH7763 */ + EDMR_SRST = 0x01, +#endif +}; + +/* RFLR */ +#define RFLR_RFL_MIN 0x05EE /* Recv Frame length 1518 byte */ + +/* EDTRR */ +enum DMAC_T_BIT { +#ifdef CONFIG_CPU_SH7763 + EDTRR_TRNS = 0x03, +#else + EDTRR_TRNS = 0x01, +#endif +}; + +/* GECMR */ +enum GECMR_BIT { + GECMR_1000B = 0x01, GECMR_100B = 0x40, GECMR_10B = 0x00, +}; + +/* EDRRR*/ +enum EDRRR_R_BIT { + EDRRR_R = 0x01, +}; + +/* TPAUSER */ +enum TPAUSER_BIT { + TPAUSER_TPAUSE = 0x0000ffff, + TPAUSER_UNLIMITED = 0, +}; + +/* BCFR */ +enum BCFR_BIT { + BCFR_RPAUSE = 0x0000ffff, + BCFR_UNLIMITED = 0, +}; + +/* PIR */ +enum PIR_BIT { + PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01, +}; + +/* PSR */ +enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, }; + +/* EESR */ +enum EESR_BIT { +#ifndef CONFIG_CPU_SH7763 + EESR_TWB = 0x40000000, +#else + EESR_TWB = 0xC0000000, + EESR_TC1 = 0x20000000, + EESR_TUC = 0x10000000, + EESR_ROC = 0x80000000, +#endif + EESR_TABT = 0x04000000, + EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000, +#ifndef CONFIG_CPU_SH7763 + EESR_ADE = 0x00800000, +#endif + EESR_ECI = 0x00400000, + EESR_FTC = 0x00200000, EESR_TDE = 0x00100000, + EESR_TFE = 0x00080000, EESR_FRC = 0x00040000, + EESR_RDE = 0x00020000, EESR_RFE = 0x00010000, +#ifndef CONFIG_CPU_SH7763 + EESR_CND = 0x00000800, +#endif + EESR_DLC = 0x00000400, + EESR_CD = 0x00000200, EESR_RTO = 0x00000100, + EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040, + EESR_CELF = 0x00000020, EESR_RRF = 0x00000010, + rESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004, + EESR_PRE = 0x00000002, EESR_CERF = 0x00000001, +}; + + +#ifdef CONFIG_CPU_SH7763 +# define TX_CHECK (EESR_TC1 | EESR_FTC) +# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \ + | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI) +# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE) + +#else +# define TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO) +# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \ + | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI) +# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE) +#endif + +/* EESIPR */ +enum DMAC_IM_BIT { + DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000, + DMAC_M_RABT = 0x02000000, + DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000, + DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000, + DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000, + DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000, + DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800, + DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200, + DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080, + DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008, + DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002, + DMAC_M_RINT1 = 0x00000001, +}; + +/* Receive descriptor bit */ +enum RD_STS_BIT { + RD_RACT = 0x80000000, RD_RDLE = 0x40000000, + RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000, + RD_RFE = 0x08000000, RD_RFS10 = 0x00000200, + RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080, + RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020, + RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008, + RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002, + RD_RFS1 = 0x00000001, +}; +#define RDF1ST RD_RFP1 +#define RDFEND RD_RFP0 +#define RD_RFP (RD_RFP1|RD_RFP0) + +/* RDFFR*/ +enum RDFFR_BIT { + RDFFR_RDLF = 0x01, +}; + +/* FCFTR */ +enum FCFTR_BIT { + FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, + FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004, + FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001, +}; +#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0) +#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0) + +/* Transfer descriptor bit */ +enum TD_STS_BIT { +#ifdef CONFIG_CPU_SH7763 + TD_TACT = 0x80000000, +#else + TD_TACT = 0x7fffffff, +#endif + TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, + TD_TFP0 = 0x10000000, +}; +#define TDF1ST TD_TFP1 +#define TDFEND TD_TFP0 +#define TD_TFP (TD_TFP1|TD_TFP0) + +/* RMCR */ +enum RECV_RST_BIT { RMCR_RST = 0x01, }; +/* ECMR */ +enum FELIC_MODE_BIT { +#ifdef CONFIG_CPU_SH7763 + ECMR_TRCCM=0x04000000, ECMR_RCSC= 0x00800000, ECMR_DPAD= 0x00200000, + ECMR_RZPF = 0x00100000, +#endif + ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000, + ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000, + ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020, + ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002, + ECMR_PRM = 0x00000001, +}; + +#ifdef CONFIG_CPU_SH7763 +#define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF | ECMR_PFR | ECMR_RXF | \ + ECMR_TXF | ECMR_MCT) +#else +#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR ECMR_RXF | ECMR_TXF | ECMR_MCT) +#endif + +/* ECSR */ +enum ECSR_STATUS_BIT { +#ifndef CONFIG_CPU_SH7763 + ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, +#endif + ECSR_LCHNG = 0x04, + ECSR_MPD = 0x02, ECSR_ICD = 0x01, +}; + +#ifdef CONFIG_CPU_SH7763 +# define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP) +#else +# define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \ + ECSR_LCHNG | ECSR_ICD | ECSIPR_MPDIP) +#endif + +/* ECSIPR */ +enum ECSIPR_STATUS_MASK_BIT { +#ifndef CONFIG_CPU_SH7763 + ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, +#endif + ECSIPR_LCHNGIP = 0x04, + ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01, +}; + +#ifdef CONFIG_CPU_SH7763 +# define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP) +#else +# define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \ + ECSIPR_ICDIP | ECSIPR_MPDIP) +#endif + +/* APR */ +enum APR_BIT { + APR_AP = 0x00000004, +}; + +/* MPR */ +enum MPR_BIT { + MPR_MP = 0x00000006, +}; + +/* TRSCER */ +enum DESC_I_BIT { + DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200, + DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010, + DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002, + DESC_I_RINT1 = 0x0001, +}; + +/* RPADIR */ +enum RPADIR_BIT { + RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000, + RPADIR_PADR = 0x0003f, +}; + +#ifdef CONFIG_CPU_SH7763 +# define RPADIR_INIT (0x00) +#else +# define RPADIR_INIT (RPADIR_PADS1) +#endif + +/* FDR */ +enum FIFO_SIZE_BIT { + FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007, +}; + +enum PHY_OFFSETS { + PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3, + PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6, + PHY_16 = 16, +}; + +/* PHY_CTRL */ +enum PHY_CTRL_BIT { + PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000, + PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400, + PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080, +}; +#define DM9161_PHY_C_ANEGEN 0 /* auto nego special */ + +/* PHY_STAT */ +enum PHY_STAT_BIT { + PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000, + PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020, + PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004, + PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001, +}; + +/* PHY_ANA */ +enum PHY_ANA_BIT { + PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000, + PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100, + PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020, + PHY_A_SEL = 0x001e, + PHY_A_EXT = 0x0001, +}; + +/* PHY_ANL */ +enum PHY_ANL_BIT { + PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000, + PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100, + PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020, + PHY_L_SEL = 0x001f, +}; + +/* PHY_ANE */ +enum PHY_ANE_BIT { + PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004, + PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001, +}; + +/* DM9161 */ +enum PHY_16_BIT { + PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000, + PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800, + PHY_16_TXselect = 0x0400, + PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100, + PHY_16_Force100LNK = 0x0080, + PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020, + PHY_16_RPDCTR_EN = 0x0010, + PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004, + PHY_16_Sleepmode = 0x0002, + PHY_16_RemoteLoopOut = 0x0001, +}; |