From 779e975117a75e91fcebe226a63104dbfb924ab1 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Tue, 14 Aug 2007 14:44:41 +0200 Subject: [PATCH] ppc4xx: Add initial Zeus (PPC405EP) board support Signed-off-by: Stefan Roese --- MAINTAINERS | 1 + MAKEALL | 2 +- Makefile | 3 + board/amcc/bubinga/bubinga.c | 13 +- board/amcc/taihu/taihu.c | 6 + board/zeus/Makefile | 51 ++++ board/zeus/config.mk | 24 ++ board/zeus/u-boot.lds | 133 +++++++++ board/zeus/update.c | 105 +++++++ board/zeus/zeus.c | 511 +++++++++++++++++++++++++++++++++++ cpu/ppc4xx/sdram.c | 27 +- cpu/ppc4xx/sdram.h | 2 - cpu/ppc4xx/start.S | 48 ++-- doc/README.zeus | 73 +++++ include/configs/zeus.h | 375 +++++++++++++++++++++++++ include/ppc405.h | 14 + 16 files changed, 1344 insertions(+), 44 deletions(-) create mode 100644 board/zeus/Makefile create mode 100644 board/zeus/config.mk create mode 100644 board/zeus/u-boot.lds create mode 100644 board/zeus/update.c create mode 100644 board/zeus/zeus.c create mode 100644 doc/README.zeus create mode 100644 include/configs/zeus.h diff --git a/MAINTAINERS b/MAINTAINERS index 6dd43f8619..853afeb4d3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -293,6 +293,7 @@ Stefan Roese walnut PPC405GP yellowstone PPC440GR yosemite PPC440EP + zeus PPC405EP P3M750 PPC750FX/GX/GL diff --git a/MAKEALL b/MAKEALL index f69134a63e..00cb6b5351 100755 --- a/MAKEALL +++ b/MAKEALL @@ -91,7 +91,7 @@ LIST_4xx=" \ sc3 sequoia sequoia_nand taihu \ taishan VOH405 VOM405 W7OLMC \ W7OLMG walnut WUH405 XPEDITE1K \ - yellowstone yosemite yucca \ + yellowstone yosemite yucca zeus \ " ######################################################################### diff --git a/Makefile b/Makefile index d4fd34e43f..d75f8fdddb 100644 --- a/Makefile +++ b/Makefile @@ -1294,6 +1294,9 @@ yellowstone_config: unconfig yucca_config: unconfig @$(MKCONFIG) $(@:_config=) ppc ppc4xx yucca amcc +zeus_config: unconfig + @$(MKCONFIG) $(@:_config=) ppc ppc4xx zeus + ######################################################################### ## MPC8220 Systems ######################################################################### diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c index fe6ce8a6d1..66e7509da8 100644 --- a/board/amcc/bubinga/bubinga.c +++ b/board/amcc/bubinga/bubinga.c @@ -20,10 +20,12 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ -long int spd_sdram(void); #include #include +#include + +long int spd_sdram(void); int board_early_init_f(void) { @@ -34,6 +36,15 @@ int board_early_init_f(void) mtdcr(uictr, 0x00000010); /* set int trigger levels */ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + /* + * Configure CPC0_PCI to enable PerWE as output + * and enable the internal PCI arbiter if selected + */ + if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB) + mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); + else + mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN); + return 0; } diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c index ee9d3b5446..ea83671988 100644 --- a/board/amcc/taihu/taihu.c +++ b/board/amcc/taihu/taihu.c @@ -50,6 +50,12 @@ int board_early_init_f(void) mtebc(pb3ap, CFG_EBC_PB3AP); /* memory bank 3 (CPLD_LCM) initialization */ mtebc(pb3cr, CFG_EBC_PB3CR); + /* + * Configure CPC0_PCI to enable PerWE as output + * and enable the internal PCI arbiter + */ + mtdcr(cpc0_pci, CPC0_PCI_SPE | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); + return 0; } diff --git a/board/zeus/Makefile b/board/zeus/Makefile new file mode 100644 index 0000000000..f0d4e9f3f4 --- /dev/null +++ b/board/zeus/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2007 +# Stefan Roese, DENX Software Engineering, sr@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 +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o update.o +SOBJS = + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/zeus/config.mk b/board/zeus/config.mk new file mode 100644 index 0000000000..1bdf5e4fcf --- /dev/null +++ b/board/zeus/config.mk @@ -0,0 +1,24 @@ +# +# (C) Copyright 2000 +# 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 +# + +TEXT_BASE = 0xFFFC0000 diff --git a/board/zeus/u-boot.lds b/board/zeus/u-boot.lds new file mode 100644 index 0000000000..73b83eba40 --- /dev/null +++ b/board/zeus/u-boot.lds @@ -0,0 +1,133 @@ +/* + * (C) Copyright 2000 + * 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 + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/ppc4xx/start.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/zeus/update.c b/board/zeus/update.c new file mode 100644 index 0000000000..c76519f094 --- /dev/null +++ b/board/zeus/update.c @@ -0,0 +1,105 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 + */ + +#include +#include +#include +#include +#include +#include +#include + +#if defined(CONFIG_ZEUS) + +u8 buf_zeus_ce[] = { +/*00 01 02 03 04 05 06 07 */ + 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*08 09 0a 0b 0c 0d 0e 0f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*10 11 12 13 14 15 16 17 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*18 19 1a 1b 1c 1d 1e 1f */ + 0x00, 0xc0, 0x50, 0x12, 0x72, 0x3e, 0x00, 0x00 }; + +u8 buf_zeus_pe[] = { + +/* CPU_CLOCK_DIV 1 = 00 + CPU_PLB_FREQ_DIV 3 = 10 + OPB_PLB_FREQ_DIV 2 = 01 + EBC_PLB_FREQ_DIV 2 = 00 + MAL_PLB_FREQ_DIV 1 = 00 + PCI_PLB_FRQ_DIV 3 = 10 + PLL_PLLOUTA = IS SET + PLL_OPERATING = IS NOT SET + PLL_FDB_MUL 10 = 1010 + PLL_FWD_DIV_A 3 = 101 + PLL_FWD_DIV_B 3 = 101 + TUNE = 0x2be */ +/*00 01 02 03 04 05 06 07 */ + 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*08 09 0a 0b 0c 0d 0e 0f */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*10 11 12 13 14 15 16 17 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +/*18 19 1a 1b 1c 1d 1e 1f */ + 0x00, 0x60, 0x68, 0x2d, 0x42, 0xbe, 0x00, 0x00 }; + +static int update_boot_eeprom(void) +{ + u32 len = 0x20; + u8 chip = CFG_I2C_EEPROM_ADDR; + u8 *pbuf; + u8 base; + int i; + + if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) { + pbuf = buf_zeus_pe; + base = 0x40; + } else { + pbuf = buf_zeus_ce; + base = 0x00; + } + + for (i = 0; i < len; i++, base++) { + if (i2c_write(chip, base, 1, &pbuf[i], 1) != 0) { + printf("i2c_write fail\n"); + return 1; + } + udelay(11000); + } + + return 0; +} + +int do_update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[]) +{ + return update_boot_eeprom(); +} + +U_BOOT_CMD ( + update_boot_eeprom, 1, 1, do_update_boot_eeprom, + "update_boot_eeprom - update boot eeprom content\n", + NULL +); + +#endif diff --git a/board/zeus/zeus.c b/board/zeus/zeus.c new file mode 100644 index 0000000000..4ab853f8f5 --- /dev/null +++ b/board/zeus/zeus.c @@ -0,0 +1,511 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define REBOOT_MAGIC 0x07081967 +#define REBOOT_NOP 0x00000000 +#define REBOOT_DO_POST 0x00000001 + +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +extern env_t *env_ptr; +extern uchar default_environment[]; + +ulong flash_get_size(ulong base, int banknum); +void env_crc_update(void); +int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +static u32 start_time; + +int board_early_init_f(void) +{ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); + mtdcr(uicpr, 0xFFFF7F00); /* set int polarities */ + mtdcr(uictr, 0x00000000); /* set int trigger levels */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ + + /* + * Configure CPC0_PCI to enable PerWE as output + */ + mtdcr(cpc0_pci, CPC0_PCI_SPE); + + return 0; +} + +int misc_init_r(void) +{ + u32 pbcr; + int size_val = 0; + u32 post_magic; + u32 post_val; + + post_magic = in_be32((void *)CFG_POST_MAGIC); + post_val = in_be32((void *)CFG_POST_VAL); + if ((post_magic == REBOOT_MAGIC) && (post_val == REBOOT_DO_POST)) { + /* + * Set special bootline bootparameter to pass this POST boot + * mode to Linux to reset the username/password + */ + setenv("addmisc", "setenv bootargs \\${bootargs} factory_reset=yes"); + + /* + * Normally don't run POST tests, only when enabled + * via the sw-reset button. So disable further tests + * upon next bootup here. + */ + out_be32((void *)CFG_POST_VAL, REBOOT_NOP); + } else { + /* + * Only run POST when initiated via the sw-reset button mechanism + */ + post_word_store(0); + } + + /* + * Get current time + */ + start_time = get_timer(0); + + /* + * FLASH stuff... + */ + + /* Re-do sizing to get full correct info */ + + /* adjust flash start and offset */ + mfebc(pb0cr, pbcr); + switch (gd->bd->bi_flashsize) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + case 32 << 20: + size_val = 5; + break; + case 64 << 20: + size_val = 6; + break; + case 128 << 20: + size_val = 7; + break; + } + pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); + mtebc(pb0cr, pbcr); + + /* + * Re-check to get correct base address + */ + flash_get_size(gd->bd->bi_flashstart, 0); + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + /* Env protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + + return 0; +} + +/* + * Check Board Identity: + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: Zeus-"); + + if (in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_ZEUS_PE)) + puts("PE"); + else + puts("CE"); + + puts(" of BulletEndPoint"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + /* both LED's off */ + gpio_write_bit(CFG_GPIO_LED_RED, 0); + gpio_write_bit(CFG_GPIO_LED_GREEN, 0); + udelay(10000); + /* and on again */ + gpio_write_bit(CFG_GPIO_LED_RED, 1); + gpio_write_bit(CFG_GPIO_LED_GREEN, 1); + + return (0); +} + +static u32 detect_sdram_size(void) +{ + u32 val; + u32 size; + + mfsdram(mem_mb0cf, val); + size = (4 << 20) << ((val & 0x000e0000) >> 17); + + /* + * Check if 2nd bank is enabled too + */ + mfsdram(mem_mb1cf, val); + if (val & 1) + size += (4 << 20) << ((val & 0x000e0000) >> 17); + + return size; +} + +long int initdram (int board_type) +{ + return detect_sdram_size(); +} + +#if defined(CFG_DRAM_TEST) +int testdram(void) +{ + unsigned long *mem = (unsigned long *)0; + const unsigned long kend = (1024 / sizeof(unsigned long)); + unsigned long k, n; + unsigned long msr; + unsigned long total_kbytes; + + total_kbytes = detect_sdram_size(); + + msr = mfmsr(); + mtmsr(msr & ~(MSR_EE)); + + for (k = 0; k < total_kbytes ; + ++k, mem += (1024 / sizeof(unsigned long))) { + if ((k & 1023) == 0) { + printf("%3d MB\r", k / 1024); + } + + memset(mem, 0xaaaaaaaa, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0xaaaaaaaa) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + + memset(mem, 0x55555555, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0x55555555) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + } + printf("SDRAM test passes\n"); + mtmsr(msr); + + return 0; +} +#endif + +static int default_env_var(char *buf, char *var) +{ + char *ptr; + char *val; + + /* + * Find env variable + */ + ptr = strstr(buf + 4, var); + if (ptr == NULL) { + printf("ERROR: %s not found!\n", var); + return -1; + } + ptr += strlen(var) + 1; + + /* + * Now the ethaddr needs to be updated in the "normal" + * environment storage -> redundant flash. + */ + val = ptr; + setenv(var, val); + printf("Updated %s from eeprom to %s!\n", var, val); + + return 0; +} + +static int restore_default(void) +{ + char *buf; + char *buf_save; + u32 crc; + + /* + * Unprotect and erase environment area + */ + flash_protect(FLAG_PROTECT_CLEAR, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + + flash_sect_erase(CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1); + + /* + * Now restore default environment from U-Boot image + * -> ipaddr, serverip... + */ + memset(env_ptr, 0, sizeof(env_t)); + memcpy(env_ptr->data, default_environment, ENV_SIZE); +#ifdef CFG_REDUNDAND_ENVIRONMENT + env_ptr->flags = 0xFF; +#endif + env_crc_update(); + gd->env_valid = 1; + + /* + * Read board specific values from I2C EEPROM + * and set env variables accordingly + * -> ethaddr, eth1addr, serial# + */ + buf = buf_save = malloc(FACTORY_RESET_ENV_SIZE); + if (eeprom_read(FACTORY_RESET_I2C_EEPROM, FACTORY_RESET_ENV_OFFS, + (u8 *)buf, FACTORY_RESET_ENV_SIZE)) { + puts("\nError reading EEPROM!\n"); + } else { + crc = crc32(0, (u8 *)(buf + 4), FACTORY_RESET_ENV_SIZE - 4); + if (crc != *(u32 *)buf) { + printf("ERROR: crc mismatch %08lx %08lx\n", crc, *(u32 *)buf); + return -1; + } + + default_env_var(buf, "ethaddr"); + buf += 8 + 18; + default_env_var(buf, "eth1addr"); + buf += 9 + 18; + default_env_var(buf, "serial#"); + } + + /* + * Finally save updated env variables back to flash + */ + saveenv(); + + free(buf_save); + + return 0; +} + +int do_set_default(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + char *buf; + char *buf_save; + char str[32]; + u32 crc; + char var[32]; + + if (argc < 4) { + puts("ERROR!\n"); + return -1; + } + + buf = buf_save = malloc(FACTORY_RESET_ENV_SIZE); + memset(buf, 0, FACTORY_RESET_ENV_SIZE); + + strcpy(var, "ethaddr"); + printf("Setting %s to %s\n", var, argv[1]); + sprintf(str, "%s=%s", var, argv[1]); + strcpy(buf + 4, str); + buf += strlen(str) + 1; + + strcpy(var, "eth1addr"); + printf("Setting %s to %s\n", var, argv[2]); + sprintf(str, "%s=%s", var, argv[2]); + strcpy(buf + 4, str); + buf += strlen(str) + 1; + + strcpy(var, "serial#"); + printf("Setting %s to %s\n", var, argv[3]); + sprintf(str, "%s=%s", var, argv[3]); + strcpy(buf + 4, str); + + crc = crc32(0, (u8 *)(buf_save + 4), FACTORY_RESET_ENV_SIZE - 4); + *(u32 *)buf_save = crc; + + if (eeprom_write(FACTORY_RESET_I2C_EEPROM, FACTORY_RESET_ENV_OFFS, + (u8 *)buf_save, FACTORY_RESET_ENV_SIZE)) { + puts("\nError writing EEPROM!\n"); + return -1; + } + + free(buf_save); + + return 0; +} + +U_BOOT_CMD( + setdef, 4, 1, do_set_default, + "setdef - write board-specific values to EEPROM (ethaddr...)\n", + "ethaddr eth1addr serial#\n - write board-specific values to EEPROM\n" + ); + +static inline int sw_reset_pressed(void) +{ + return !(in_be32((void *)GPIO0_IR) & GPIO_VAL(CFG_GPIO_SW_RESET)); +} + +int do_chkreset(cmd_tbl_t* cmdtp, int flag, int argc, char* argv[]) +{ + int delta; + int count = 0; + int post = 0; + int factory_reset = 0; + + if (!sw_reset_pressed()) { + printf("SW-Reset already high (Button released)\n"); + printf("-> No action taken!\n"); + return 0; + } + + printf("Waiting for SW-Reset button to be released."); + + while (1) { + delta = get_timer(start_time); + if (!sw_reset_pressed()) + break; + + if ((delta > CFG_TIME_POST) && !post) { + printf("\nWhen released now, POST tests will be started."); + gpio_write_bit(CFG_GPIO_LED_GREEN, 0); + post = 1; + } + + if ((delta > CFG_TIME_FACTORY_RESET) && !factory_reset) { + printf("\nWhen released now, factory default values" + " will be restored."); + gpio_write_bit(CFG_GPIO_LED_RED, 0); + factory_reset = 1; + } + + udelay(1000); + if (!(count++ % 1000)) + printf("."); + } + + + printf("\nSW-Reset Button released after %d milli-seconds!\n", delta); + + if (delta > CFG_TIME_FACTORY_RESET) { + printf("Starting factory reset value restoration...\n"); + + /* + * Restore default setting + */ + restore_default(); + + /* + * Reset the board for default to become valid + */ + do_reset(NULL, 0, 0, NULL); + + return 0; + } + + if (delta > CFG_TIME_POST) { + printf("Starting POST configuration...\n"); + + /* + * Enable POST upon next bootup + */ + out_be32((void *)CFG_POST_MAGIC, REBOOT_MAGIC); + out_be32((void *)CFG_POST_VAL, REBOOT_DO_POST); + post_bootmode_init(); + + /* + * Reset the logbuffer for a clean start + */ + logbuff_reset(); + + do_reset(NULL, 0, 0, NULL); + + return 0; + } + + return 0; +} + +U_BOOT_CMD ( + chkreset, 1, 1, do_chkreset, + "chkreset- Check for status of SW-reset button and act accordingly\n", + NULL +); + +#if defined(CONFIG_POST) +/* + * Returns 1 if keys pressed to start the power-on long-running tests + * Called from board_init_f(). + */ +int post_hotkeys_pressed(void) +{ + u32 post_magic; + u32 post_val; + + post_magic = in_be32((void *)CFG_POST_MAGIC); + post_val = in_be32((void *)CFG_POST_VAL); + + if ((post_magic == REBOOT_MAGIC) && (post_val == REBOOT_DO_POST)) + return 1; + else + return 0; +} +#endif /* CONFIG_POST */ diff --git a/cpu/ppc4xx/sdram.c b/cpu/ppc4xx/sdram.c index 3a0ca17d9f..2724d91f0f 100644 --- a/cpu/ppc4xx/sdram.c +++ b/cpu/ppc4xx/sdram.c @@ -187,14 +187,14 @@ void sdram_init(void) /* * Disable memory controller. */ - mtsdram0(mem_mcopt1, 0x00000000); + mtsdram(mem_mcopt1, 0x00000000); /* * Set MB0CF for bank 0. */ - mtsdram0(mem_mb0cf, mb0cf[i].reg); - mtsdram0(mem_sdtr1, sdtr1); - mtsdram0(mem_rtr, compute_rtr(speed, mb0cf[i].rows, 64)); + mtsdram(mem_mb0cf, mb0cf[i].reg); + mtsdram(mem_sdtr1, sdtr1); + mtsdram(mem_rtr, compute_rtr(speed, mb0cf[i].rows, 64)); udelay(200); @@ -203,7 +203,7 @@ void sdram_init(void) * Set DC_EN to '1' and BRD_PRF to '01' for 16 byte PLB Burst * read/prefetch. */ - mtsdram0(mem_mcopt1, 0x80800000); + mtsdram(mem_mcopt1, 0x80800000); udelay(10000); @@ -215,10 +215,21 @@ void sdram_init(void) #ifdef CONFIG_SDRAM_BANK1 u32 b1cr = mb0cf[i].size | mb0cf[i].reg; - mtsdram0(mem_mcopt1, 0x00000000); - mtsdram0(mem_mb1cf, b1cr); /* SDRAM0_B1CR */ - mtsdram0(mem_mcopt1, 0x80800000); + mtsdram(mem_mcopt1, 0x00000000); + mtsdram(mem_mb1cf, b1cr); /* SDRAM0_B1CR */ + mtsdram(mem_mcopt1, 0x80800000); udelay(10000); + + /* + * Check if 2nd bank is really available. + * If the size not equal to the size of the first + * bank, then disable the 2nd bank completely. + */ + if (get_ram_size((long *)mb0cf[i].size, mb0cf[i].size) != + mb0cf[i].size) { + mtsdram(mem_mb1cf, 0); + mtsdram(mem_mcopt1, 0); + } #endif return; } diff --git a/cpu/ppc4xx/sdram.h b/cpu/ppc4xx/sdram.h index 62b5442f3b..4fb9b1ae14 100644 --- a/cpu/ppc4xx/sdram.h +++ b/cpu/ppc4xx/sdram.h @@ -29,8 +29,6 @@ #include -#define mtsdram0(reg, data) mtdcr(memcfga,reg);mtdcr(memcfgd,data) - #define ONE_BILLION 1000000000 struct sdram_conf_s { diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 18d3445609..9626b65c88 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -1869,38 +1869,7 @@ ppc405ep_init: ori r3,r3,CFG_EBC_PB4CR@l mtdcr ebccfgd,r3 #endif -#ifdef CONFIG_TAIHU - mfdcr r4, CPC0_BOOT - andi. r5, r4, CPC0_BOOT_SEP@l - bne strap_0 /* serial eeprom present */ -#endif - -#ifndef CFG_CPC0_PCI - li r3,CPC0_PCI_HOST_CFG_EN -#ifdef CONFIG_BUBINGA - /* - !----------------------------------------------------------------------- - ! Check FPGA for PCI internal/external arbitration - ! If board is set to internal arbitration, update cpc0_pci - !----------------------------------------------------------------------- - */ - addis r5,r0,FPGA_REG1@h /* set offset for FPGA_REG1 */ - ori r5,r5,FPGA_REG1@l - lbz r5,0x0(r5) /* read to get PCI arb selection */ - andi. r6,r5,FPGA_REG1_PCI_INT_ARB /* using internal arbiter ?*/ - beq ..pci_cfg_set /* if not set, then bypass reg write*/ -#endif - ori r3,r3,CPC0_PCI_ARBIT_EN -#ifdef CONFIG_TAIHU - ori r3,r3,CPC0_PCI_SPE -#endif -#else /* CFG_CPC0_PCI */ - li r3,CFG_CPC0_PCI -#endif /* CFG_CPC0_PCI */ -..pci_cfg_set: - mtdcr CPC0_PCI, r3 /* Enable internal arbiter*/ -strap_0: /* !----------------------------------------------------------------------- ! Check to see if chip is in bypass mode. @@ -1966,6 +1935,21 @@ strap_0: bne _pci_66mhz #endif /* CONFIG_TAIHU */ +#if defined(CONFIG_ZEUS) + mfdcr r4, CPC0_BOOT + andi. r5, r4, CPC0_BOOT_SEP@l + bne strap_1 /* serial eeprom present */ + lis r3,0x0000 + addi r3,r3,0x3030 + lis r4,0x8042 + addi r4,r4,0x223e + b 1f +strap_1: + mfdcr r3, CPC0_PLLMR0 + mfdcr r4, CPC0_PLLMR1 + b 1f +#endif + addis r3,0,PLLMR0_DEFAULT@h /* PLLMR0 default value */ ori r3,r3,PLLMR0_DEFAULT@l /* */ addis r4,0,PLLMR1_DEFAULT@h /* PLLMR1 default value */ @@ -1982,9 +1966,9 @@ _pci_66mhz: strap_1: mfdcr r3, CPC0_PLLMR0 mfdcr r4, CPC0_PLLMR1 -1: #endif /* CONFIG_TAIHU */ +1: b pll_write /* Write the CPC0_PLLMR with new value */ pll_done: diff --git a/doc/README.zeus b/doc/README.zeus new file mode 100644 index 0000000000..1848d8cd38 --- /dev/null +++ b/doc/README.zeus @@ -0,0 +1,73 @@ + +Storage of the board specific values (ethaddr...) +------------------------------------------------- + +The board specific environment variables that should be unique +for each individual board, can be stored in the I2C EEPROM. This +will be done from offset 0x80 with the length of 0x80 bytes. The +following command can be used to store the values here: + +=> setdef de:20:6a:ed:e2:72 de:20:6a:ed:e2:73 AB0001 + + ethaddr eth1addr serial# + +Now those 3 values are stored into the I2C EEPROM. A CRC is added +to make sure that the values get not corrupted. + + +SW-Reset Pushbutton handling: +----------------------------- + +The SW-reset push button is connected to a GPIO input too. This +way U-Boot can "see" how long the SW-reset was pressed, and a +specific action can be taken. Two different actions are supported: + +a) Release after more than 5 seconds and less then 10 seconds: + -> Run POST + + Please note, that the POST test will take a while (approx. 1 min + on the 128MByte board). This is mainly due to the system memory + test. + +b) Release after more than 10 seconds: + -> Restore factory default settings + + The factory default values are restored. The default environment + variables are restored (ipaddr, serverip...) and the board + specific values (ethaddr, eth1addr and serial#) are restored + to the environment from the I2C EEPROM. Also a bootline parameter + is added to the Linux bootline to signal the Linux kernel upon + the next startup, that the factory defaults should be restored. + +The command to check this sw-reset status and act accordingly is + +=> chkreset + +This command is added to the default "bootcmd", so that it is called +automatically upon startup. + +Also, the 2 LED's are used to indicate the current status of this +command (time passed since pushing the button). When the POST test +will be run, the green LED will be switched off, and when the +factory restore will be initiated, the reg LED will be switched off. + + +Loggin of POST results: +----------------------- + +The results of the POST tests are logged in a logbuffer located at the end +of the onboard memory. It can be accessed with the U-Boot command "log": + +=> log show +<4>POST memory PASSED +<4>POST cache PASSED +<4>POST cpu PASSED +<4>POST uart PASSED +<4>POST ethernet PASSED + +The DENX Linux kernel tree has support for this log buffer included. Exactly +this buffer is used for logging of all kernel messages too. By enabling the +compile time option "CONFIG_LOGBUFFER" this support is enabled. This way you +can access the U-Boot log messages from Linux too. + +2007-08-10, Stefan Roese diff --git a/include/configs/zeus.h b/include/configs/zeus.h new file mode 100644 index 0000000000..86a16e77a5 --- /dev/null +++ b/include/configs/zeus.h @@ -0,0 +1,375 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 + */ + +/************************************************************************ + * zeus.h - configuration for Zeus board + ***********************************************************************/ +#ifndef __CONFIG_H +#define __CONFIG_H + +/*----------------------------------------------------------------------- + * High Level Configuration Options + *----------------------------------------------------------------------*/ +#define CONFIG_ZEUS 1 /* Board is Zeus */ +#define CONFIG_4xx 1 /* ... PPC4xx family */ +#define CONFIG_405EP 1 /* Specifc 405EP support*/ + +#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */ + +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ +#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */ + +#define PLLMR0_DEFAULT PLLMR0_333_111_55_111 +#define PLLMR1_DEFAULT PLLMR1_333_111_55_111 + +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ + +#define CONFIG_OVERWRITE_ETHADDR_ONCE 1 + +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_PHY_ADDR 0x01 /* PHY address */ +#define CONFIG_HAS_ETH1 1 +#define CONFIG_PHY1_ADDR 0x11 /* EMAC1 PHY address */ +#define CONFIG_NET_MULTI 1 +#define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */ +#define CONFIG_PHY_RESET 1 +#define CONFIG_PHY_RESET_DELAY 300 /* PHY RESET recovery delay */ + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + CFG_CMD_ASKENV | \ + CFG_CMD_CACHE | \ + CFG_CMD_DHCP | \ + CFG_CMD_DIAG | \ + CFG_CMD_EEPROM | \ + CFG_CMD_ELF | \ + CFG_CMD_I2C | \ + CFG_CMD_IRQ | \ + CFG_CMD_LOG | \ + CFG_CMD_MII | \ + CFG_CMD_NET | \ + CFG_CMD_NFS | \ + CFG_CMD_PING | \ + CFG_CMD_REGINFO) + +/* POST support */ +#define CONFIG_POST (CFG_POST_MEMORY | \ + CFG_POST_CPU | \ + CFG_POST_CACHE | \ + CFG_POST_UART | \ + CFG_POST_ETHER) + +#define CFG_POST_ETHER_EXT_LOOPBACK /* eth POST using ext loopack connector */ + +/* Define here the base-addresses of the UARTs to test in POST */ +#define CFG_POST_UART_TABLE {UART0_BASE} + +#define CONFIG_LOGBUFFER +#define CFG_POST_CACHE_ADDR 0x00800000 /* free virtual address */ + +#define CFG_CONSOLE_IS_IN_ENV /* Otherwise it catches logbuffer as output */ + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/*----------------------------------------------------------------------- + * SDRAM + *----------------------------------------------------------------------*/ +/* + * SDRAM configuration (please see cpu/ppc/sdram.[ch]) + */ +#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ +#define CONFIG_SDRAM_BANK1 1 /* init onboard SDRAM bank 1 */ + +/* SDRAM timings used in datasheet */ +#define CFG_SDRAM_CL 3 /* CAS latency */ +#define CFG_SDRAM_tRP 20 /* PRECHARGE command period */ +#define CFG_SDRAM_tRC 66 /* ACTIVE-to-ACTIVE command period */ +#define CFG_SDRAM_tRCD 20 /* ACTIVE-to-READ delay */ +#define CFG_SDRAM_tRFC 66 /* Auto refresh period */ + +/*----------------------------------------------------------------------- + * Serial Port + *----------------------------------------------------------------------*/ +#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */ +#define CFG_BASE_BAUD 691200 +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SERIAL_MULTI + +/* The following table includes the supported baudrates */ +#define CFG_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} + +/*----------------------------------------------------------------------- + * Miscellaneous configurable options + *----------------------------------------------------------------------*/ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#define CONFIG_CMDLINE_EDITING 1 /* add command line history */ +#define CONFIG_LOOPW 1 /* enable loopw command */ +#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */ +#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ +#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */ + +/*----------------------------------------------------------------------- + * I2C + *----------------------------------------------------------------------*/ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#undef CONFIG_SOFT_I2C /* I2C bit-banged */ +#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ +#define CFG_I2C_SLAVE 0x7F + +/* these are for the ST M24C02 2kbit serial i2c eeprom */ +#define CFG_I2C_EEPROM_ADDR 0x50 /* base address */ +#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */ +/* mask of address bits that overflow into the "EEPROM chip address" */ +#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07 + +#define CFG_EEPROM_PAGE_WRITE_ENABLE 1 /* write eeprom in pages */ +#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* 8 byte write page size */ +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */ + +/* + * The layout of the I2C EEPROM, used for bootstrap setup and for board- + * specific values, like ethaddr... that can be restored via the sw-reset + * button + */ +#define FACTORY_RESET_I2C_EEPROM 0x50 +#define FACTORY_RESET_ENV_OFFS 0x80 +#define FACTORY_RESET_ENV_SIZE 0x80 + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH_BASE 0xFF000000 +#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ +#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN) + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_FLASH_CFI /* The flash is CFI compatible */ +#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ + +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } + +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ +#define CFG_FLASH_PROTECTION 1 /* use hardware flash protection */ + +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ +#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash */ + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */ +#define CFG_ENV_ADDR ((-CFG_MONITOR_LEN)-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) +#endif + +/*----------------------------------------------------------------------- + * Cache Configuration + */ +#define CFG_DCACHE_SIZE 16384 /* For IBM 405EP CPU */ +#define CFG_CACHELINE_SIZE 32 /* ... */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area (in data cache) + */ +/* use on chip memory (OCM) for temperary stack until sdram is tested */ +#define CFG_TEMP_STACK_OCM 1 + +/* On Chip Memory location */ +#define CFG_OCM_DATA_ADDR 0xF8000000 +#define CFG_OCM_DATA_SIZE 0x1000 +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of OCM */ +#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */ + +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +/* reserve some memory for POST and BOOT limit info */ +#define CFG_INIT_SP_OFFSET (CFG_GBL_DATA_OFFSET - 16) + +/* extra data in OCM */ +#define CFG_POST_WORD_ADDR (CFG_GBL_DATA_OFFSET - 4) +#define CFG_POST_MAGIC (CFG_OCM_DATA_ADDR + CFG_GBL_DATA_OFFSET - 8) +#define CFG_POST_VAL (CFG_OCM_DATA_ADDR + CFG_GBL_DATA_OFFSET - 12) + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + */ + +/* Memory Bank 0 (Flash 16M) initialization */ +#define CFG_EBC_PB0AP 0x05815600 +#define CFG_EBC_PB0CR 0xFF09A000 /* BAS=0xFF0,BS=16MB,BU=R/W,BW=16bit */ + +/*----------------------------------------------------------------------- + * Definitions for GPIO setup (PPC405EP specific) + * + * GPIO0[0] - External Bus Controller BLAST output + * GPIO0[1-9] - Instruction trace outputs + * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs + * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs + * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs + * GPIO0[24-27] - UART0 control signal inputs/outputs + * GPIO0[28-29] - UART1 data signal input/output + * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs + */ +#define CFG_GPIO0_OSRH 0x15555550 /* Chip selects */ +#define CFG_GPIO0_OSRL 0x00000110 /* UART_DTR-pin 27 alt out */ +#define CFG_GPIO0_ISR1H 0x10000041 /* Pin 2, 12 is input */ +#define CFG_GPIO0_ISR1L 0x15505440 /* OUT: LEDs 22/23; IN: pin12,2, NVALID# */ +#define CFG_GPIO0_TSRH 0x00000000 +#define CFG_GPIO0_TSRL 0x00000000 +#define CFG_GPIO0_TCR 0xBFF68317 /* 3-state OUT: 22/23/29; 12,2 is not 3-state */ +#define CFG_GPIO0_ODR 0x00000000 + +#define CFG_GPIO_SW_RESET 1 +#define CFG_GPIO_ZEUS_PE 12 +#define CFG_GPIO_LED_RED 22 +#define CFG_GPIO_LED_GREEN 23 + +/* Time in milli-seconds */ +#define CFG_TIME_POST 5000 +#define CFG_TIME_FACTORY_RESET 10000 + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +/* ENVIRONMENT VARS */ + +#define CONFIG_PREBOOT "echo;echo Welcome to Bulletendpoints board v1.1;echo" +#define CONFIG_IPADDR 192.168.1.10 +#define CONFIG_SERVERIP 192.168.1.100 +#define CONFIG_GATEWAYIP 192.168.1.100 +#define CONFIG_ETHADDR 50:00:00:00:06:00 +#define CONFIG_ETH1ADDR 50:00:00:00:06:01 +#if 0 +#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ +#else +#define CONFIG_BOOTDELAY 3 /* autoboot after 5 seconds */ +#endif + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "logversion=2\0" \ + "hostname=zeus\0" \ + "netdev=eth0\0" \ + "ethact=ppc_4xx_eth0\0" \ + "netmask=255.255.255.0\0" \ + "ramdisk_size=50000\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw" \ + " nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw" \ + " ramdisk=${ramdisk_size}\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "addtty=setenv bootargs ${bootargs} console=ttyS0," \ + "${baudrate}\0" \ + "net_nfs=tftp ${kernel_mem_addr} ${file_kernel};" \ + "run nfsargs addip addtty;bootm\0" \ + "net_ram=tftp ${kernel_mem_addr} ${file_kernel};" \ + "tftp ${ramdisk_mem_addr} ${file_fs};" \ + "run ramargs addip addtty;" \ + "bootm ${kernel_mem_addr} ${ramdisk_mem_addr}\0" \ + "rootpath=/target_fs/zeus\0" \ + "kernel_fl_addr=ff000000\0" \ + "kernel_mem_addr=200000\0" \ + "ramdisk_fl_addr=ff300000\0" \ + "ramdisk_mem_addr=4000000\0" \ + "uboot_fl_addr=fffc0000\0" \ + "uboot_mem_addr=100000\0" \ + "file_uboot=/zeus/u-boot.bin\0" \ + "tftp_uboot=tftp 100000 ${file_uboot}\0" \ + "update_uboot=protect off fffc0000 ffffffff;" \ + "era fffc0000 ffffffff;cp.b 100000 fffc0000 40000;" \ + "protect on fffc0000 ffffffff\0" \ + "upd_uboot=run tftp_uboot;run update_uboot\0" \ + "file_kernel=/zeus/uImage_ba\0" \ + "tftp_kernel=tftp 100000 ${file_kernel}\0" \ + "update_kernel=protect off ff000000 ff17ffff;" \ + "era ff000000 ff17ffff;cp.b 100000 ff000000 180000\0" \ + "upd_kernel=run tftp_kernel;run update_kernel\0" \ + "file_fs=/zeus/rootfs_ba.img\0" \ + "tftp_fs=tftp 100000 ${file_fs}\0" \ + "update_fs=protect off ff300000 ff87ffff;era ff300000 ff87ffff;"\ + "cp.b 100000 ff300000 580000\0" \ + "upd_fs=run tftp_fs;run update_fs\0" \ + "bootcmd=chkreset;run ramargs addip addtty addmisc;" \ + "bootm ${kernel_fl_addr} ${ramdisk_fl_addr}\0" \ + "" + +#endif /* __CONFIG_H */ diff --git a/include/ppc405.h b/include/ppc405.h index 8e64731929..4fc52833d4 100644 --- a/include/ppc405.h +++ b/include/ppc405.h @@ -541,6 +541,18 @@ #define PLLMR1_266_66_33_33 (PLL_FBKDIV_8 | \ PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW) +#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_3) +#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) +#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 | \ + PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 | \ + PLL_MALDIV_1 | PLL_PCIDIV_1) +#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10 | \ + PLL_FWDDIVA_3 | PLL_FWDDIVB_3 | \ + PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI) /* * PLL Voltage Controlled Oscillator (VCO) definitions @@ -1226,6 +1238,8 @@ #define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data) #define mfebc(reg, data) mtdcr(ebccfga,reg);data = mfdcr(ebccfgd) +#define mtsdram(reg, data) do { mtdcr(memcfga,reg);mtdcr(memcfgd,data); } while (0) +#define mfsdram(reg, data) do { mtdcr(memcfga,reg);data = mfdcr(memcfgd); } while (0) #ifndef __ASSEMBLY__ -- 2.30.2