From 47cd00fa707af9de76408b69d3e911717dbbfab1 Mon Sep 17 00:00:00 2001 From: wdenk Date: Thu, 6 Mar 2003 13:39:27 +0000 Subject: * Patches by Robert Schwebel, 06 Mar 2003: - fix bug in BOOTP code (must use NetCopyIP) - update of CSB226 port - clear BSS segment on XScale - added support for i2c_init_board() function - update to the Innokom plattform * Extend support for redundand environments for configurations where environment size < sector size --- board/innokom/flash.c | 258 +++++++++++++++++++++++++++++++++++++++++++---- board/innokom/innokom.c | 50 ++++++++- board/innokom/memsetup.S | 38 ++++--- board/innokom/u-boot.lds | 2 + 4 files changed, 314 insertions(+), 34 deletions(-) (limited to 'board/innokom') diff --git a/board/innokom/flash.c b/board/innokom/flash.c index b8e97e186..5505bb549 100644 --- a/board/innokom/flash.c +++ b/board/innokom/flash.c @@ -31,12 +31,228 @@ #include #include -#define FLASH_BANK_SIZE 0x02000000 -#define MAIN_SECT_SIZE 0x40000 /* 2x16 = 256k per sector */ +#if defined CFG_JFFS_CUSTOM_PART +#include +#endif + +/* Debugging macros ------------------------------------------------------ */ + +#undef FLASH_DEBUG +//#define FLASH_DEBUG 1 + +/* Some debug macros */ +#if (FLASH_DEBUG > 2 ) +#define PRINTK3(args...) printf(args) +#else +#define PRINTK3(args...) +#endif + +#if FLASH_DEBUG > 1 +#define PRINTK2(args...) printf(args) +#else +#define PRINTK2(args...) +#endif + +#ifdef FLASH_DEBUG +#define PRINTK(args...) printf(args) +#else +#define PRINTK(args...) +#endif + +/* ------------------------------------------------------------------------ */ + +/* Development system: we have only 16 MB Flash */ +#ifdef CONFIG_MTD_INNOKOM_16MB +#define FLASH_BANK_SIZE 0x01000000 /* 16 MB (during development) */ +#define MAIN_SECT_SIZE 0x00020000 /* 128k per sector */ +#endif + +/* Production system: we have 64 MB Flash */ +#ifdef CONFIG_MTD_INNOKOM_64MB +#define FLASH_BANK_SIZE 0x04000000 /* 64 MB */ +#define MAIN_SECT_SIZE 0x00020000 /* 128k per sector */ +#endif flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; +#if defined CFG_JFFS_CUSTOM_PART + +/** + * jffs2_part_info - get information about a JFFS2 partition + * + * @part_num: number of the partition you want to get info about + * @return: struct part_info* in case of success, 0 if failure + */ + +static struct part_info part; + +#ifdef CONFIG_MTD_INNOKOM_16MB +#ifdef CONFIG_MTD_INNOKOM_64MB +#error Please define only one CONFIG_MTD_INNOKOM_XXMB option. +#endif +struct part_info* jffs2_part_info(int part_num) { + + PRINTK2("jffs2_part_info: part_num=%i\n",part_num); + + /* u-boot partition */ + if(part_num==0){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00000000; + part.size=256*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + return ∂ + } + + /* primary OS+firmware partition */ + if(part_num==1){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00040000; + part.size=768*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + return ∂ + } + + /* secondary OS+firmware partition */ + if(part_num==2){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00100000; + part.size=8*1024*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + return ∂ + } + + /* data partition */ + if(part_num==3){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00900000; + part.size=7*1024*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + + return ∂ + } + + PRINTK("jffs2_part_info: end of partition table\n"); + return 0; +} +#endif /* CONFIG_MTD_INNOKOM_16MB */ + +#ifdef CONFIG_MTD_INNOKOM_64MB +#ifdef CONFIG_MTD_INNOKOM_16MB +#error Please define only one CONFIG_MTD_INNOKOM_XXMB option. +#endif +struct part_info* jffs2_part_info(int part_num) { + + PRINTK2("jffs2_part_info: part_num=%i\n",part_num); + + /* u-boot partition */ + if(part_num==0){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00000000; + part.size=256*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + return ∂ + } + + /* primary OS+firmware partition */ + if(part_num==1){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x00040000; + part.size=16*1024*1024-128*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + return ∂ + } + + /* secondary OS+firmware partition */ + if(part_num==2){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x01020000; + part.size=16*1024*1024-128*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + return ∂ + } + + /* data partition */ + if(part_num==3){ + if(part.usr_priv==(void*)1) return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset=(char*)0x02000000; + part.size=32*1024*1024; + + /* Mark the struct as ready */ + part.usr_priv=(void*)1; + + PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); + PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); + + return ∂ + } + + PRINTK("jffs2_part_info: end of partition table\n"); + return 0; +} +#endif /* CONFIG_MTD_INNOKOM_64MB */ +#endif /* defined CFG_JFFS_CUSTOM_PART */ + + /** * flash_init: - initialize data structures for flash chips * @@ -71,10 +287,10 @@ ulong flash_init(void) size += flash_info[i].size; } - /* Protect monitor and environment sectors */ + /* Protect u-boot sectors */ flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE, - CFG_FLASH_BASE + _armboot_end_data - _armboot_start, + CFG_FLASH_BASE + (256*1024) - 1, &flash_info[0]); #ifdef CFG_ENV_IS_IN_FLASH @@ -178,32 +394,38 @@ int flash_erase(flash_info_t *info, int s_first, int s_last) printf("Erasing sector %2d ... ", sect); + PRINTK("\n"); + /* arm simple, non interrupt dependent timer */ reset_timer_masked(); if (info->protect[sect] == 0) { /* not protected */ - u32 * volatile addr = (u32 * volatile)(info->start[sect]); + u16 * volatile addr = (u16 * volatile)(info->start[sect]); - /* erase sector: */ - /* The strata flashs are aligned side by side on */ - /* the data bus, so we have to write the commands */ - /* to both chips here: */ + PRINTK("unlocking sector\n"); + *addr = 0x0060; + *addr = 0x00d0; + *addr = 0x00ff; - *addr = 0x00200020; /* erase setup */ - *addr = 0x00D000D0; /* erase confirm */ + PRINTK("erasing sector\n"); + *addr = 0x0020; + PRINTK("confirming erase\n"); + *addr = 0x00D0; - while ((*addr & 0x00800080) != 0x00800080) { + while ((*addr & 0x0080) != 0x0080) { + PRINTK("."); if (get_timer_masked() > CFG_FLASH_ERASE_TOUT) { - *addr = 0x00B000B0; /* suspend erase*/ - *addr = 0x00FF00FF; /* read mode */ + *addr = 0x00B0; /* suspend erase*/ + *addr = 0x00FF; /* read mode */ rc = ERR_TIMOUT; goto outahere; } } - *addr = 0x00500050; /* clear status register cmd. */ - *addr = 0x00FF00FF; /* resest to read mode */ - + PRINTK("clearing status register\n"); + *addr = 0x0050; + PRINTK("resetting to read mode"); + *addr = 0x00FF; } printf("ok.\n"); @@ -233,7 +455,7 @@ int flash_erase(flash_info_t *info, int s_first, int s_last) static int write_word (flash_info_t *info, ulong dest, ushort data) { - ushort *addr = (ushort *)dest, val; + volatile u16 *addr = (u16 *)dest, val; int rc = ERR_OK; int flag; diff --git a/board/innokom/innokom.c b/board/innokom/innokom.c index 7d2702f65..17f6353d2 100644 --- a/board/innokom/innokom.c +++ b/board/innokom/innokom.c @@ -25,6 +25,7 @@ #include #include +#include #ifdef CONFIG_SHOW_BOOT_PROGRESS # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) @@ -32,10 +33,53 @@ # define SHOW_BOOT_PROGRESS(arg) #endif -/* - * Miscelaneous platform dependent initialisations +/** + * i2c_init_board - reset i2c bus. When the board is powercycled during a + * bus transfer it might hang; for details see doc/I2C_Edge_Conditions. + * The Innokom board has GPIO70 connected to SCLK which can be toggled + * until all chips think that their current cycles are finished. + */ +int i2c_init_board(void) +{ + int i; + + /* set gpio pin to output */ + GPDR(70) |= GPIO_bit(70); + for (i = 0; i < 11; i++) { + GPCR(70) = GPIO_bit(70); + udelay(10); + GPSR(70) = GPIO_bit(70); + udelay(10); + } + /* set gpio pin to input */ + GPDR(70) &= ~GPIO_bit(70); + + return 0; +} + + +/** + * misc_init_r: - misc initialisation routines */ +int misc_init_r(void) +{ + uchar *str; + + /* determine if the software update key is pressed during startup */ + if (GPLR0 & 0x00000800) { + printf("using bootcmd_normal (sw-update button not pressed)\n"); + str = getenv("bootcmd_normal"); + } else { + printf("using bootcmd_update (sw-update button pressed)\n"); + str = getenv("bootcmd_update"); + } + + setenv("bootcmd",str); + + return 0; +} + /** * board_init: - setup some data structures @@ -51,7 +95,7 @@ int board_init (void) /* so we do _nothing_ here */ /* arch number of Innokom board */ - gd->bd->bi_arch_number = 258; + gd->bd->bi_arch_number = MACH_TYPE_INNOKOM; /* adress of boot parameters */ gd->bd->bi_boot_params = 0xa0000100; diff --git a/board/innokom/memsetup.S b/board/innokom/memsetup.S index f7d5eee57..a2bc99d12 100644 --- a/board/innokom/memsetup.S +++ b/board/innokom/memsetup.S @@ -38,6 +38,9 @@ DRAM_SIZE: .long CFG_DRAM_SIZE sub pc,pc,#4 .endm +_TEXT_BASE: + .word TEXT_BASE + /* * Memory setup @@ -222,6 +225,12 @@ mem_init: /* Step 2c: Write FLYCNFG FIXME: what's that??? */ /* ---------------------------------------------------------------- */ + /* test if we run from flash or RAM - RAM/BDI: don't setup RAM */ + adr r3, mem_init /* r0 <- current position of code */ + ldr r2, =mem_init + cmp r3, r2 /* skip init if in place */ + beq initirqs + /* ---------------------------------------------------------------- */ /* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */ @@ -313,17 +322,23 @@ mem_init: /* documented in SDRAM data sheets. The address(es) used */ /* for this purpose must not be cacheable. */ - ldr r3, =CFG_DRAM_BASE - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] - str r2, [r3] + /* There should 9 writes, since the first write doesn't */ + /* trigger a refresh cycle on PXA250. See Intel PXA250 and */ + /* PXA210 Processors Specification Update, */ + /* Jan 2003, Errata #116, page 30. */ + ldr r3, =CFG_DRAM_BASE + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + str r2, [r3] + /* Step 4g: Write MDCNFG with enable bits asserted */ /* (MDCNFG:DEx set to 1). */ @@ -339,7 +354,6 @@ mem_init: /* We are finished with Intel's memory controller initialisation */ - /* ---------------------------------------------------------------- */ /* Disable (mask) all interrupts at interrupt controller */ /* ---------------------------------------------------------------- */ @@ -405,8 +419,7 @@ initclks: /* FIXME */ -#define NODEBUG -#ifdef NODEBUG +#ifndef DEBUG /*Disable software and data breakpoints */ mov r0,#0 mcr p15,0,r0,c14,c8,0 /* ibcr0 */ @@ -416,7 +429,6 @@ initclks: /*Enable all debug functionality */ mov r0,#0x80000000 mcr p14,0,r0,c10,c0,0 /* dcsr */ - #endif /* ---------------------------------------------------------------- */ diff --git a/board/innokom/u-boot.lds b/board/innokom/u-boot.lds index 0a89b3288..280fc48ac 100644 --- a/board/innokom/u-boot.lds +++ b/board/innokom/u-boot.lds @@ -47,7 +47,9 @@ SECTIONS armboot_end_data = .; . = ALIGN(4); + bss_start = .; .bss : { *(.bss) } + bss_end = .; armboot_end = .; } -- cgit v1.2.3