diff options
| author | wdenk <wdenk> | 2004-03-14 00:59:59 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2004-03-14 00:59:59 +0000 | 
| commit | c3f9d4939af90eb8e30119601c86c05bde6c7345 (patch) | |
| tree | 90854c0902fd963de17ee275e3836629892a060f /common/env_flash.c | |
| parent | 0e6d798cb313580acd06ba01626687a557c5159f (diff) | |
| download | olio-uboot-2014.01-c3f9d4939af90eb8e30119601c86c05bde6c7345.tar.xz olio-uboot-2014.01-c3f9d4939af90eb8e30119601c86c05bde6c7345.zip | |
* Patch by Yuli Barcohen, 4 Mar 2004:
  Fix problems with GCC 3.3.x which changed handling of global
  variables explicitly initialized to zero (now in .bss instead of
  .data as before).
* Patch by Leon Kukovec, 02 Mar 2004:
  add strswab() to fix IDE LBA capacity, firmware and model numbers
  on little endian machines
* Patch by Masami Komiya, 02 Mar 2004:
  - Remove get_ticks() from NFS code
  - Add verification of RPC transaction ID
* Patch by Pierre Aubert, 02 Mar 2004:
  cleanup for IDE and USB drivers for MPC5200
Diffstat (limited to 'common/env_flash.c')
| -rw-r--r-- | common/env_flash.c | 66 | 
1 files changed, 25 insertions, 41 deletions
| diff --git a/common/env_flash.c b/common/env_flash.c index 079f84d27..4e42c8fee 100644 --- a/common/env_flash.c +++ b/common/env_flash.c @@ -79,9 +79,9 @@ static env_t *flash_addr_new = (env_t *)CFG_ENV_ADDR_REDUND;  static ulong end_addr = CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1;  static ulong end_addr_new = CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1; -static uchar active_flag = 1; -static uchar obsolete_flag = 0; -#endif +#define ACTIVE_FLAG   1 +#define OBSOLETE_FLAG 0 +#endif /* CFG_ENV_ADDR_REDUND */  extern uchar default_environment[];  extern int default_environment_size; @@ -112,43 +112,28 @@ int  env_init(void)  	ulong addr1 = (ulong)&(flash_addr->data);  	ulong addr2 = (ulong)&(flash_addr_new->data); -	if (crc1_ok && ! crc2_ok) -	{ +	if (crc1_ok && ! crc2_ok) {  		gd->env_addr  = addr1;  		gd->env_valid = 1; -	} -	else if (! crc1_ok && crc2_ok) -	{ +	} else if (! crc1_ok && crc2_ok) {  		gd->env_addr  = addr2;  		gd->env_valid = 1; -	} -	else if (! crc1_ok && ! crc2_ok) -	{ +	} else if (! crc1_ok && ! crc2_ok) {  		gd->env_addr  = addr_default;  		gd->env_valid = 0; -	} -	else if (flag1 == active_flag && flag2 == obsolete_flag) -	{ +	} else if (flag1 == ACTIVE_FLAG && flag2 == OBSOLETE_FLAG) {  		gd->env_addr  = addr1;  		gd->env_valid = 1; -	} -	else if (flag1 == obsolete_flag && flag2 == active_flag) -	{ +	} else if (flag1 == OBSOLETE_FLAG && flag2 == ACTIVE_FLAG) {  		gd->env_addr  = addr2;  		gd->env_valid = 1; -	} -	else if (flag1 == flag2) -	{ +	} else if (flag1 == flag2) {  		gd->env_addr  = addr1;  		gd->env_valid = 2; -	} -	else if (flag1 == 0xFF) -	{ +	} else if (flag1 == 0xFF) {  		gd->env_addr  = addr1;  		gd->env_valid = 2; -	} -	else if (flag2 == 0xFF) -	{ +	} else if (flag2 == 0xFF) {  		gd->env_addr  = addr2;  		gd->env_valid = 2;  	} @@ -161,6 +146,7 @@ int saveenv(void)  {  	char *saved_data = NULL;  	int rc = 1; +	char flag = OBSOLETE_FLAG, new_flag = ACTIVE_FLAG;  #if CFG_ENV_SECT_SIZE > CFG_ENV_SIZE  	ulong up_data = 0;  #endif @@ -210,16 +196,13 @@ int saveenv(void)  	if ((rc = flash_write(env_ptr->data,  			(ulong)&(flash_addr_new->data),  			sizeof(env_ptr->data))) || -  	    (rc = flash_write((char *)&(env_ptr->crc),  			(ulong)&(flash_addr_new->crc),  			sizeof(env_ptr->crc))) || - -	    (rc = flash_write((char *)&obsolete_flag, +	    (rc = flash_write(&flag,  			(ulong)&(flash_addr->flags),  			sizeof(flash_addr->flags))) || - -	    (rc = flash_write((char *)&active_flag, +	    (rc = flash_write(&new_flag,  			(ulong)&(flash_addr_new->flags),  			sizeof(flash_addr_new->flags))))  	{ @@ -361,8 +344,7 @@ void env_relocate_spec (void)  #ifdef CFG_ENV_ADDR_REDUND  	DECLARE_GLOBAL_DATA_PTR; -	if (gd->env_addr != (ulong)&(flash_addr->data)) -	{ +	if (gd->env_addr != (ulong)&(flash_addr->data)) {  		env_t * etmp = flash_addr;  		ulong ltmp = end_addr; @@ -373,24 +355,26 @@ void env_relocate_spec (void)  		end_addr_new = ltmp;  	} -	if (flash_addr_new->flags != obsolete_flag && +	if (flash_addr_new->flags != OBSOLETE_FLAG &&  	    crc32(0, flash_addr_new->data, ENV_SIZE) == -	    flash_addr_new->crc) -	{ +	    flash_addr_new->crc) { +		char flag = OBSOLETE_FLAG; +  		gd->env_valid = 2;  		flash_sect_protect (0, (ulong)flash_addr_new, end_addr_new); -		flash_write((char *)&obsolete_flag, +		flash_write(&flag,  			    (ulong)&(flash_addr_new->flags),  			    sizeof(flash_addr_new->flags));  		flash_sect_protect (1, (ulong)flash_addr_new, end_addr_new);  	} -	if (flash_addr->flags != active_flag && -	    (flash_addr->flags & active_flag) == active_flag) -	{ +	if (flash_addr->flags != ACTIVE_FLAG && +	    (flash_addr->flags & ACTIVE_FLAG) == ACTIVE_FLAG) { +		char flag = ACTIVE_FLAG; +  		gd->env_valid = 2;  		flash_sect_protect (0, (ulong)flash_addr, end_addr); -		flash_write((char *)&active_flag, +		flash_write(&flag,  			    (ulong)&(flash_addr->flags),  			    sizeof(flash_addr->flags));  		flash_sect_protect (1, (ulong)flash_addr, end_addr); |