diff options
Diffstat (limited to 'board/sixnet/flash.c')
| -rw-r--r-- | board/sixnet/flash.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/board/sixnet/flash.c b/board/sixnet/flash.c index 225513a..4ab6c1b 100644 --- a/board/sixnet/flash.c +++ b/board/sixnet/flash.c @@ -23,6 +23,10 @@ #include <common.h> #include <mpc8xx.h> +/* environment.h defines the various CFG_ENV_... values in terms + * of whichever ones are given in the configuration file. + */ +#include <environment.h> flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ @@ -104,6 +108,19 @@ unsigned long flash_init (void) &flash_info[0]); #endif +#ifdef CFG_ENV_ADDR + flash_protect ( FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]); +#endif + +#ifdef CFG_ENV_ADDR_REDUND + flash_protect ( FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 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); + } } /*----------------------------------------------------------------------- @@ -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; @@ -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: @@ -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; |