X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fsixnet%2Fflash.c;h=20908021cdbfb0a77bdf1963ac988402c3388087;hb=233dbc119438ad17bb0bc7104ba7972415c4f7e7;hp=225513acca5ba8aa965ee1f4870c59de2b2e0878;hpb=8bde7f776c77b343aca29b8c7b58464d915ac245;p=u-boot diff --git a/board/sixnet/flash.c b/board/sixnet/flash.c index 225513acca..20908021cd 100644 --- a/board/sixnet/flash.c +++ b/board/sixnet/flash.c @@ -23,8 +23,12 @@ #include #include +/* environment.h defines the various CONFIG_ENV_... values in terms + * of whichever ones are given in the configuration file. + */ +#include -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ /* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it * has nothing to do with the flash chip being 8-bit or 16-bit. @@ -52,7 +56,7 @@ static void flash_reset(flash_info_t *info); static int write_word_intel(flash_info_t *info, FPWV *dest, FPW data); static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data); static void flash_get_offsets(ulong base, flash_info_t *info); -#ifdef CFG_FLASH_PROTECTION +#ifdef CONFIG_SYS_FLASH_PROTECTION static void flash_sync_real_protect(flash_info_t *info); #endif @@ -63,17 +67,17 @@ static void flash_sync_real_protect(flash_info_t *info); */ unsigned long flash_init (void) { - volatile immap_t *immap = (immap_t *)CFG_IMMR; + volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; unsigned long size_b; int i; /* Init: no FLASHes known */ - for (i=0; i < CFG_MAX_FLASH_BANKS; ++i) { + for (i=0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { flash_info[i].flash_id = FLASH_UNKNOWN; } - size_b = flash_get_size((FPW *)CFG_FLASH_BASE, &flash_info[0]); + size_b = flash_get_size((FPW *)CONFIG_SYS_FLASH_BASE, &flash_info[0]); flash_info[0].size = size_b; @@ -87,23 +91,36 @@ unsigned long flash_init (void) /* Do this again (was done already in flast_get_size), just * in case we move it when remap the FLASH. */ - flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]); + flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]); -#ifdef CFG_FLASH_PROTECTION +#ifdef CONFIG_SYS_FLASH_PROTECTION /* read the hardware protection status (if any) into the * protection array in flash_info. */ flash_sync_real_protect(&flash_info[0]); #endif -#if CFG_MONITOR_BASE >= CFG_FLASH_BASE +#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE /* monitor protection ON by default */ flash_protect(FLAG_PROTECT_SET, - CFG_MONITOR_BASE, - CFG_MONITOR_BASE+monitor_flash_len-1, + CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, &flash_info[0]); #endif +#ifdef CONFIG_ENV_ADDR + flash_protect ( FLAG_PROTECT_SET, + CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, &flash_info[0]); +#endif + +#ifdef CONFIG_ENV_ADDR_REDUND + flash_protect ( FLAG_PROTECT_SET, + CONFIG_ENV_ADDR_REDUND, + CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[0]); +#endif + return (size_b); } @@ -154,6 +171,21 @@ static void flash_get_offsets (ulong base, flash_info_t *info) for( i = 0; i < info->sector_count; i++ ) info->start[i] = base + (i * sect_size); } + else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD + && (info->flash_id & FLASH_TYPEMASK) == FLASH_AM800T) { + + int sect_size; /* number of bytes/sector */ + + sect_size = 0x00010000 * (sizeof(FPW)/2); + + /* set up sector start address table (top boot sector type) */ + for (i = 0; i < info->sector_count - 3; i++) + info->start[i] = base + (i * sect_size); + i = info->sector_count - 1; + info->start[i--] = base + (info->size - 0x00004000) * (sizeof(FPW)/2); + info->start[i--] = base + (info->size - 0x00006000) * (sizeof(FPW)/2); + info->start[i--] = base + (info->size - 0x00008000) * (sizeof(FPW)/2); + } } /*----------------------------------------------------------------------- @@ -164,7 +196,7 @@ void flash_print_info (flash_info_t *info) int i; uchar *boottype; uchar *bootletter; - uchar *fmt; + char *fmt; uchar botbootletter[] = "B"; uchar topbootletter[] = "T"; uchar botboottype[] = "bottom boot sector"; @@ -196,6 +228,9 @@ void flash_print_info (flash_info_t *info) } switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM800T: + fmt = "29LV800B%s (8 Mbit, %s)\n"; + break; case FLASH_AM640U: fmt = "29LV641D (64 Mbit, uniform sectors)\n"; break; @@ -295,6 +330,12 @@ ulong flash_get_size (FPWV *addr, flash_info_t *info) /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */ if (info->flash_id != FLASH_UNKNOWN) switch (addr[1]) { + case (FPW)AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000 * (sizeof(FPW)/2); + break; /* => 1 or 2 MiB */ + case (FPW)AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */ info->flash_id += FLASH_AM640U; info->sector_count = 128; @@ -364,7 +405,7 @@ ulong flash_get_size (FPWV *addr, flash_info_t *info) return (info->size); } -#ifdef CFG_FLASH_PROTECTION +#ifdef CONFIG_SYS_FLASH_PROTECTION /*----------------------------------------------------------------------- */ @@ -401,6 +442,7 @@ static void flash_sync_real_protect(flash_info_t *info) break; case FLASH_AM640U: + case FLASH_AM800T: default: /* no hardware protect that we support */ break; @@ -438,6 +480,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) case FLASH_28F320C3B: case FLASH_28F640C3B: case FLASH_AM640U: + case FLASH_AM800T: break; case FLASH_UNKNOWN: default: @@ -501,7 +544,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) udelay (1000); while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) { - if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { printf ("Timeout\n"); if (intel) { @@ -620,7 +663,7 @@ static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data) /* data polling for D7 */ while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) { - if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { *dest = (FPW)0x00F000F0; /* reset bank */ res = 1; } @@ -666,7 +709,7 @@ static int write_word_intel (flash_info_t *info, FPWV *dest, FPW data) start = get_timer (0); while (res == 0 && (*dest & (FPW)0x00800080) != (FPW)0x00800080) { - if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { *dest = (FPW)0x00B000B0; /* Suspend program */ res = 1; } @@ -681,7 +724,7 @@ static int write_word_intel (flash_info_t *info, FPWV *dest, FPW data) return (res); } -#ifdef CFG_FLASH_PROTECTION +#ifdef CONFIG_SYS_FLASH_PROTECTION /*----------------------------------------------------------------------- */ int flash_real_protect (flash_info_t * info, long sector, int prot) @@ -735,6 +778,7 @@ int flash_real_protect (flash_info_t * info, long sector, int prot) break; case FLASH_AM640U: + case FLASH_AM800T: default: /* no hardware protect that we support */ info->protect[sector] = prot;