From c2e49f706ba13213f3c8da3a33e88010214e1997 Mon Sep 17 00:00:00 2001 From: Reinhard Arlt Date: Sat, 25 Jul 2009 06:19:12 +0200 Subject: mpc83xx: Add esd VME8349 board support This patch adds support for the esd VME8349 board equipped with the MPC8349. It's a VME PMC carrier board equipped with the Tundra TSI148 VME-bridge. Signed-off-by: Reinhard Arlt Signed-off-by: Stefan Roese Signed-off-by: Kim Phillips --- board/esd/vme8349/Makefile | 54 ++++++++++++ board/esd/vme8349/caddy.c | 194 ++++++++++++++++++++++++++++++++++++++++++++ board/esd/vme8349/caddy.h | 77 ++++++++++++++++++ board/esd/vme8349/config.mk | 28 +++++++ board/esd/vme8349/pci.c | 119 +++++++++++++++++++++++++++ board/esd/vme8349/vme8349.c | 140 ++++++++++++++++++++++++++++++++ 6 files changed, 612 insertions(+) create mode 100644 board/esd/vme8349/Makefile create mode 100644 board/esd/vme8349/caddy.c create mode 100644 board/esd/vme8349/caddy.h create mode 100644 board/esd/vme8349/config.mk create mode 100644 board/esd/vme8349/pci.c create mode 100644 board/esd/vme8349/vme8349.c (limited to 'board') diff --git a/board/esd/vme8349/Makefile b/board/esd/vme8349/Makefile new file mode 100644 index 0000000..9f937c8 --- /dev/null +++ b/board/esd/vme8349/Makefile @@ -0,0 +1,54 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (c) 2009 esd gmbh hannover germany. +# +# 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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS-y += $(BOARD).o caddy.o +COBJS-$(CONFIG_PCI) += pci.o + +COBJS := $(COBJS-y) +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/esd/vme8349/caddy.c b/board/esd/vme8349/caddy.c new file mode 100644 index 0000000..bda4117 --- /dev/null +++ b/board/esd/vme8349/caddy.c @@ -0,0 +1,194 @@ +/* + * caddy.c -- esd VME8349 support for "missing" access modes in TSI148. + * Copyright (c) 2009 esd gmbh. + * + * Reinhard Arlt + * + * 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 + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#include "caddy.h" + +static struct caddy_interface *caddy_interface; + +void generate_answer(struct caddy_cmd *cmd, uint32_t status, uint32_t *result) +{ + struct caddy_answer *answer; + uint32_t ptr; + + answer = &caddy_interface->answer[caddy_interface->answer_in]; + memset((void *)answer, 0, sizeof(struct caddy_answer)); + answer->answer = cmd->cmd; + answer->issue = cmd->issue; + answer->status = status; + memcpy(answer->par, result, 5 * sizeof(result[0])); + ptr = caddy_interface->answer_in + 1; + ptr = ptr & (ANSWER_SIZE - 1); + if (ptr != caddy_interface->answer_out) + caddy_interface->answer_in = ptr; +} + +int do_caddy(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + unsigned long base_addr; + uint32_t ptr; + struct caddy_cmd *caddy_cmd; + uint32_t result[5]; + uint16_t data16; + uint8_t data8; + uint32_t status; + pci_dev_t dev; + void *pci_ptr; + + if (argc < 2) { + puts("Missing parameter\n"); + return 1; + } + + base_addr = simple_strtoul(argv[1], NULL, 16); + caddy_interface = (struct caddy_interface *) base_addr; + + memset((void *)caddy_interface, 0, sizeof(struct caddy_interface)); + memcpy((void *)&caddy_interface->magic[0], &CADDY_MAGIC, 16); + + while (ctrlc() == 0) { + if (caddy_interface->cmd_in != caddy_interface->cmd_out) { + memset(result, 0, 5 * sizeof(result[0])); + status = 0; + caddy_cmd = &caddy_interface->cmd[caddy_interface->cmd_out]; + pci_ptr = (void *)CONFIG_SYS_PCI1_IO_PHYS + + (caddy_cmd->addr & 0x001fffff); + + switch (caddy_cmd->cmd) { + case CADDY_CMD_IO_READ_8: + result[0] = in_8(pci_ptr); + break; + + case CADDY_CMD_IO_READ_16: + result[0] = in_be16(pci_ptr); + break; + + case CADDY_CMD_IO_READ_32: + result[0] = in_be32(pci_ptr); + break; + + case CADDY_CMD_IO_WRITE_8: + data8 = caddy_cmd->par[0] & 0x000000ff; + out_8(pci_ptr, data8); + break; + + case CADDY_CMD_IO_WRITE_16: + data16 = caddy_cmd->par[0] & 0x0000ffff; + out_be16(pci_ptr, data16); + break; + + case CADDY_CMD_IO_WRITE_32: + out_be32(pci_ptr, caddy_cmd->par[0]); + break; + + case CADDY_CMD_CONFIG_READ_8: + dev = PCI_BDF(caddy_cmd->par[0], + caddy_cmd->par[1], + caddy_cmd->par[2]); + status = pci_read_config_byte(dev, + caddy_cmd->addr, + &data8); + result[0] = data8; + break; + + case CADDY_CMD_CONFIG_READ_16: + dev = PCI_BDF(caddy_cmd->par[0], + caddy_cmd->par[1], + caddy_cmd->par[2]); + status = pci_read_config_word(dev, + caddy_cmd->addr, + &data16); + result[0] = data16; + break; + + case CADDY_CMD_CONFIG_READ_32: + dev = PCI_BDF(caddy_cmd->par[0], + caddy_cmd->par[1], + caddy_cmd->par[2]); + status = pci_read_config_dword(dev, + caddy_cmd->addr, + &result[0]); + break; + + case CADDY_CMD_CONFIG_WRITE_8: + dev = PCI_BDF(caddy_cmd->par[0], + caddy_cmd->par[1], + caddy_cmd->par[2]); + data8 = caddy_cmd->par[3] & 0x000000ff; + status = pci_write_config_byte(dev, + caddy_cmd->addr, + data8); + break; + + case CADDY_CMD_CONFIG_WRITE_16: + dev = PCI_BDF(caddy_cmd->par[0], + caddy_cmd->par[1], + caddy_cmd->par[2]); + data16 = caddy_cmd->par[3] & 0x0000ffff; + status = pci_write_config_word(dev, + caddy_cmd->addr, + data16); + break; + + case CADDY_CMD_CONFIG_WRITE_32: + dev = PCI_BDF(caddy_cmd->par[0], + caddy_cmd->par[1], + caddy_cmd->par[2]); + status = pci_write_config_dword(dev, + caddy_cmd->addr, + caddy_cmd->par[3]); + break; + + default: + status = 0xffffffff; + break; + } + + generate_answer(caddy_cmd, status, &result[0]); + + ptr = caddy_interface->cmd_out + 1; + ptr = ptr & (CMD_SIZE - 1); + caddy_interface->cmd_out = ptr; + } + + caddy_interface->heartbeat++; + } + + return 0; +} + +U_BOOT_CMD( + caddy, 2, 0, do_caddy, + "Start Caddy server.", + "Start Caddy server with Data structure a given addr\n" + ); diff --git a/board/esd/vme8349/caddy.h b/board/esd/vme8349/caddy.h new file mode 100644 index 0000000..65257ba --- /dev/null +++ b/board/esd/vme8349/caddy.h @@ -0,0 +1,77 @@ +/* + * caddy.c -- esd VME8349 support for "missing" access modes in TSI148. + * Copyright (c) 2009 esd gmbh. + * + * Reinhard Arlt + * + * 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 + * + */ + +#ifndef __CADDY_H__ +#define __CADDY_H__ + +#define CMD_SIZE 1024 +#define ANSWER_SIZE 1024 +#define CADDY_MAGIC "esd vme8349 V1.0" + +enum caddy_cmds { + CADDY_CMD_IO_READ_8, + CADDY_CMD_IO_READ_16, + CADDY_CMD_IO_READ_32, + CADDY_CMD_IO_WRITE_8, + CADDY_CMD_IO_WRITE_16, + CADDY_CMD_IO_WRITE_32, + CADDY_CMD_CONFIG_READ_8, + CADDY_CMD_CONFIG_READ_16, + CADDY_CMD_CONFIG_READ_32, + CADDY_CMD_CONFIG_WRITE_8, + CADDY_CMD_CONFIG_WRITE_16, + CADDY_CMD_CONFIG_WRITE_32, +}; + +struct caddy_cmd { + uint32_t cmd; + uint32_t issue; + uint32_t addr; + uint32_t par[5]; +}; + +struct caddy_answer { + uint32_t answer; + uint32_t issue; + uint32_t status; + uint32_t par[5]; +}; + +struct caddy_interface { + uint8_t magic[16]; + uint32_t cmd_in; + uint32_t cmd_out; + uint32_t heartbeat; + uint32_t reserved1; + struct caddy_cmd cmd[CMD_SIZE]; + uint32_t answer_in; + uint32_t answer_out; + uint32_t reserved2; + uint32_t reserved3; + struct caddy_answer answer[CMD_SIZE]; +}; + +#endif /* of __CADDY_H__ */ diff --git a/board/esd/vme8349/config.mk b/board/esd/vme8349/config.mk new file mode 100644 index 0000000..1ae26ca --- /dev/null +++ b/board/esd/vme8349/config.mk @@ -0,0 +1,28 @@ +# +# (C) Copyright 2006 +# 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 +# + +# +# VME8349E +# + +TEXT_BASE = 0xFFF00000 diff --git a/board/esd/vme8349/pci.c b/board/esd/vme8349/pci.c new file mode 100644 index 0000000..d15203c --- /dev/null +++ b/board/esd/vme8349/pci.c @@ -0,0 +1,119 @@ +/* + * pci.c -- esd VME8349 PCI board support. + * Copyright (c) 2006 Wind River Systems, Inc. + * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. + * + * Based on MPC8349 PCI support but w/o PIB related code. + * + * 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 + * + */ + +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +static struct pci_region pci1_regions[] = { + { + bus_start: CONFIG_SYS_PCI1_MEM_BASE, + phys_start: CONFIG_SYS_PCI1_MEM_PHYS, + size: CONFIG_SYS_PCI1_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CONFIG_SYS_PCI1_IO_BASE, + phys_start: CONFIG_SYS_PCI1_IO_PHYS, + size: CONFIG_SYS_PCI1_IO_SIZE, + flags: PCI_REGION_IO + }, + { + bus_start: CONFIG_SYS_PCI1_MMIO_BASE, + phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, + size: CONFIG_SYS_PCI1_MMIO_SIZE, + flags: PCI_REGION_MEM + }, +}; + +/* + * pci_init_board() + * + * NOTICE: PCI2 is not supported. There is only one + * physical PCI slot on the board. + * + */ +void +pci_init_board(void) +{ + volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; + volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; + volatile law83xx_t *pci_law = immr->sysconf.pcilaw; + struct pci_region *reg[] = { pci1_regions }; + u8 reg8; + int monarch = 0; + + i2c_set_bus_num(1); + /* Read the PCI_M66EN jumper setting */ + if ((i2c_read(CONFIG_SYS_I2C_8574_ADDR2, 0, 0, ®8, 1) == 0) || + (i2c_read(0x38 , 0, 0, ®8, 1) == 0)) { + if (reg8 & 0x40) { + clk->occr = 0xff000000; /* 66 MHz PCI */ + printf("PCI: 66MHz\n"); + } else { + clk->occr = 0xffff0003; /* 33 MHz PCI */ + printf("PCI: 33MHz\n"); + } + if (((reg8 & 0x01) == 0) || ((reg8 & 0x02) == 0)) + monarch = 1; + } else { + clk->occr = 0xffff0003; /* 33 MHz PCI */ + printf("PCI: 33MHz (I2C read failed)\n"); + } + udelay(2000); + + /* + * Assert/deassert PCI reset + */ + setbits_be32(&immr->gpio[0].dat, 0x00800000); + setbits_be32(&immr->gpio[0].dir, 0x00800000); + setbits_be32(&immr->gpio[1].dir, 0x08800000); + udelay(200); + setbits_be32(&immr->gpio[1].dat, 0x08000000); + udelay(200); + setbits_be32(&immr->gpio[1].dat, 0x08800000); + udelay(600000); + clrbits_be32(&immr->gpio[1].dat, 0x00100000); + + /* Configure PCI Local Access Windows */ + pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G; + + pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M; + + udelay(2000); + + if (monarch == 0) + mpc83xx_pci_init(1, reg, 0); +} diff --git a/board/esd/vme8349/vme8349.c b/board/esd/vme8349/vme8349.c new file mode 100644 index 0000000..e3bc151 --- /dev/null +++ b/board/esd/vme8349/vme8349.c @@ -0,0 +1,140 @@ +/* + * vme8349.c -- esd VME8349 board support + * + * Copyright (c) 2008-2009 esd gmbh. + * + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Reinhard Arlt + * Based on board/mpc8349emds/mpc8349emds.c (and previous 834x releases.) + * + * 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 + * + */ + +#include +#include +#include +#include +#if defined(CONFIG_OF_LIBFDT) +#include +#endif +#include +#include + +void ddr_enable_ecc(unsigned int dram_size); + +int fixed_sdram(void) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + + msize = CONFIG_SYS_DDR_SIZE; + for (ddr_size = msize << 20, ddr_size_log2 = 0; + (ddr_size > 1); + ddr_size = ddr_size>>1, ddr_size_log2++) { + if (ddr_size & 1) + return -1; + } + + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000; + im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & + LAWAR_SIZE); + +#if (CONFIG_SYS_DDR_SIZE == 512) + im->ddr.csbnds[0].csbnds = 0x0000001f; +#else +#warning Currently any DDR size other than 512MiB is not supported +#endif + im->ddr.cs_config[0] = CONFIG_SYS_DDR_CONFIG | 0x00330000; + + /* currently we use only one CS, so disable the other banks */ + im->ddr.csbnds[1].csbnds = 0x00000000; + im->ddr.csbnds[2].csbnds = 0x00000000; + im->ddr.csbnds[3].csbnds = 0x00000000; + im->ddr.cs_config[1] = 0; + im->ddr.cs_config[2] = 0; + im->ddr.cs_config[3] = 0; + + im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; + im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; + + im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG; + im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2; + im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; + im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2; + + im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; + sync(); + udelay(200); + + /* enable DDR controller */ + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + + return msize; +} + +phys_size_t initdram(int board_type) +{ + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize = 0; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im) + return -1; + + /* DDR SDRAM - Main SODIMM */ + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR; + + msize = fixed_sdram(); + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Initialize and enable DDR ECC. + */ + ddr_enable_ecc(msize * 1024 * 1024); +#endif + + /* Now check memory size (after ECC is initialized) */ + msize = get_ram_size(0, msize); + + /* return total bus SDRAM size(bytes) -- DDR */ + return msize * 1024 * 1024; +} + +int checkboard(void) +{ + puts("Board: esd VME8349\n"); + + return 0; +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif +} +#endif -- cgit v1.1