diff options
Diffstat (limited to 'drivers/cfi_flash.c')
| -rw-r--r-- | drivers/cfi_flash.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/cfi_flash.c b/drivers/cfi_flash.c index 2531e9d..d8489d46 100644 --- a/drivers/cfi_flash.c +++ b/drivers/cfi_flash.c @@ -189,6 +189,7 @@ static ulong flash_get_size (ulong base, int banknum); static int flash_write_cfiword (flash_info_t * info, ulong dest, cfiword_t cword); static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, ulong tout, char *prompt); +static flash_info_t *flash_get_info(ulong base); #ifdef CFG_FLASH_USE_BUFFER_WRITE static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int len); #endif @@ -341,8 +342,8 @@ unsigned long flash_init (void) #if (CFG_MONITOR_BASE >= CFG_FLASH_BASE) flash_protect (FLAG_PROTECT_SET, CFG_MONITOR_BASE, - CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1, - &flash_info[0]); + CFG_MONITOR_BASE + monitor_flash_len - 1, + flash_get_info(CFG_MONITOR_BASE)); #endif /* Environment protection ON by default */ @@ -350,7 +351,7 @@ unsigned long flash_init (void) flash_protect (FLAG_PROTECT_SET, CFG_ENV_ADDR, CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, - &flash_info[0]); + flash_get_info(CFG_ENV_ADDR)); #endif /* Redundant environment protection ON by default */ @@ -358,13 +359,30 @@ unsigned long flash_init (void) flash_protect (FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, - &flash_info[0]); + flash_get_info(CFG_ENV_ADDR_REDUND)); #endif return (size); } /*----------------------------------------------------------------------- */ +static flash_info_t *flash_get_info(ulong base) +{ + int i; + flash_info_t * info; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) { + info = & flash_info[i]; + if (info->size && info->start[0] <= base && + base <= info->start[0] + info->size - 1) + break; + } + + return i == CFG_MAX_FLASH_BANKS ? 0 : info; +} + +/*----------------------------------------------------------------------- + */ int flash_erase (flash_info_t * info, int s_first, int s_last) { int rcode = 0; |