diff options
| author | wdenk <wdenk> | 2005-01-09 23:16:25 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2005-01-09 23:16:25 +0000 |
| commit | 8ed9604613398660f9ee855060661da8809d4045 (patch) | |
| tree | 7901e427798e0d09ad53038d7b6112e10556ceae /common/env_flash.c | |
| parent | ff36fd8591776405eeb3a086ba1136bf1ece2ffb (diff) | |
* Patches by Richard Woodruff, 01 Oct 2004:
add support for the TI OMAP2420 processor and its H4 reference
board
* Patch by Christian Pellegrin, 24 Sep 2004:
Added support for NE2000 compatible (DP8390, DP83902) NICs.
Diffstat (limited to 'common/env_flash.c')
| -rw-r--r-- | common/env_flash.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/common/env_flash.c b/common/env_flash.c index 4e42c8fee..d6257d07b 100644 --- a/common/env_flash.c +++ b/common/env_flash.c @@ -99,11 +99,7 @@ uchar env_get_char_spec (int index) int env_init(void) { DECLARE_GLOBAL_DATA_PTR; - - int crc1_ok = - (crc32(0, flash_addr->data, ENV_SIZE) == flash_addr->crc); - int crc2_ok = - (crc32(0, flash_addr_new->data, ENV_SIZE) == flash_addr_new->crc); + int crc1_ok = 0, crc2_ok = 0; uchar flag1 = flash_addr->flags; uchar flag2 = flash_addr_new->flags; @@ -112,6 +108,16 @@ int env_init(void) ulong addr1 = (ulong)&(flash_addr->data); ulong addr2 = (ulong)&(flash_addr_new->data); +#ifdef CONFIG_OMAP2420H4 + int flash_probe(void); + + if(flash_probe() == 0) + goto bad_flash; +#endif + + crc1_ok = (crc32(0, flash_addr->data, ENV_SIZE) == flash_addr->crc); + crc2_ok = (crc32(0, flash_addr_new->data, ENV_SIZE) == flash_addr_new->crc); + if (crc1_ok && ! crc2_ok) { gd->env_addr = addr1; gd->env_valid = 1; @@ -138,6 +144,9 @@ int env_init(void) gd->env_valid = 2; } +#ifdef CONFIG_OMAP2420H4 +bad_flash: +#endif return (0); } @@ -252,15 +261,22 @@ Done: int env_init(void) { DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_OMAP2420H4 + int flash_probe(void); + if(flash_probe() == 0) + goto bad_flash; +#endif if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) { gd->env_addr = (ulong)&(env_ptr->data); gd->env_valid = 1; - } else { - gd->env_addr = (ulong)&default_environment[0]; - gd->env_valid = 0; + return(0); } - +#ifdef CONFIG_OMAP2420H4 +bad_flash: +#endif + gd->env_addr = (ulong)&default_environment[0]; + gd->env_valid = 0; return (0); } |