diff options
Diffstat (limited to 'board/evb64260/flash.c')
| -rw-r--r-- | board/evb64260/flash.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/board/evb64260/flash.c b/board/evb64260/flash.c index c897393..e6cf8eb 100644 --- a/board/evb64260/flash.c +++ b/board/evb64260/flash.c @@ -54,6 +54,7 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ static ulong flash_get_size (int portwidth, vu_long *addr, flash_info_t *info); static int write_word (flash_info_t *info, ulong dest, ulong data); static void flash_get_offsets (ulong base, flash_info_t *info); +static flash_info_t *flash_get_info(ulong base); /*----------------------------------------------------------------------- */ @@ -72,7 +73,11 @@ flash_init (void) /* the boot flash */ base = CFG_FLASH_BASE; - size_b0 = flash_get_size(1, (vu_long *)base, &flash_info[0]); +#ifndef CFG_BOOT_FLASH_WIDTH +#define CFG_BOOT_FLASH_WIDTH 1 +#endif + size_b0 = flash_get_size(CFG_BOOT_FLASH_WIDTH, (vu_long *)base, + &flash_info[0]); printf("[%ldkB@%lx] ", size_b0/1024, base); @@ -98,6 +103,22 @@ flash_init (void) base+=size; } +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, + flash_get_info(CFG_MONITOR_BASE)); +#endif + +#ifdef CFG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, + flash_get_info(CFG_ENV_ADDR)); +#endif + flash_size = size_b0 + size_b1; return flash_size; } @@ -148,6 +169,23 @@ flash_get_offsets (ulong base, flash_info_t *info) /*----------------------------------------------------------------------- */ + +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->start[0] <= base && base <= info->start[0] + info->size - 1) + break; + } + + return i == CFG_MAX_FLASH_BANKS ? 0 : info; +} + +/*----------------------------------------------------------------------- + */ void flash_print_info (flash_info_t *info) { @@ -247,8 +285,11 @@ static inline void flash_cmd(int width, volatile unsigned char *addr, int offset /* 2x16 */ unsigned long cmd32=(cmd<<16)|cmd; *(volatile unsigned long *)(addr+offset*2)=cmd32; + } else if (width == 2) { + /* 1x16 */ + *(volatile unsigned short *)((unsigned short*)addr+offset)=cmd; } else { - /* 1x16 or 1x8 */ + /* 1x8 */ *(volatile unsigned char *)(addr+offset)=cmd; } } |