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| author | Stefan Roese <sr@denx.de> | 2006-09-12 20:19:10 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2006-09-12 20:19:10 +0200 |
| commit | d12ae80889568365ecb9e6698322f9771ae76dde (patch) | |
| tree | 7dd321e0b7a9d9a1e438995c2c7c4bf1587d9774 /include | |
| parent | a73c8dbb437fb55ecb660cb962c8c1cc85b8a654 (diff) | |
| download | barebox-d12ae80889568365ecb9e6698322f9771ae76dde.tar.gz barebox-d12ae80889568365ecb9e6698322f9771ae76dde.tar.xz | |
Add NAND environment support for PPC440EPx Sequoia NAND boot config
Patch by Stefan Roese, 12 Sep 2006
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/sequoia.h | 27 | ||||
| -rw-r--r-- | include/environment.h | 4 |
2 files changed, 11 insertions, 20 deletions
diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h index d3fcc032aa..639765d599 100644 --- a/include/configs/sequoia.h +++ b/include/configs/sequoia.h @@ -69,14 +69,9 @@ /*----------------------------------------------------------------------- * Initial RAM & stack pointer *----------------------------------------------------------------------*/ -#if 0 /* 440EPx/440GRx have 16KB of internal SRAM, so no need for D-Cache */ -#define CFG_INIT_RAM_DCACHE 1 /* d-cache as init ram */ -#define CFG_INIT_RAM_ADDR 0x70000000 /* DCache */ -#else #define CFG_INIT_RAM_OCM 1 /* OCM as init ram */ #define CFG_INIT_RAM_ADDR CFG_OCM_BASE /* OCM */ -#endif #define CFG_INIT_RAM_END (4 << 10) #define CFG_GBL_DATA_SIZE 256 /* num bytes initial data */ @@ -98,18 +93,11 @@ /*----------------------------------------------------------------------- * Environment *----------------------------------------------------------------------*/ -/* - * Define here the location of the environment variables (FLASH or EEPROM). - * Note: DENX encourages to use redundant environment in FLASH. - */ -#if 1 /* test-only */ +#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) #define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ #else #define CFG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */ #endif -#if 0 -#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */ -#endif /*----------------------------------------------------------------------- * FLASH related @@ -189,8 +177,12 @@ #undef CFG_NAND_4_ADDR_CYCLE /* No fourth addr used (<=32MB) */ #ifdef CFG_ENV_IS_IN_NAND -#define CFG_ENV_SIZE 0x4000 -#define CFG_ENV_OFFSET (CFG_NAND_U_BOOT_OFFS + CFG_NAND_U_BOOT_SIZE) +/* + * For NAND booting the environment is embedded in the U-Boot image. Please take + * look at the file board/amcc/sequoia/u-boot-nand.lds for details. + */ +#define CFG_ENV_SIZE CFG_NAND_BLOCK_SIZE +#define CFG_ENV_OFFSET (CFG_NAND_U_BOOT_OFFS + CFG_ENV_SIZE) #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE) #endif @@ -214,11 +206,6 @@ #define CFG_EEPROM_PAGE_WRITE_BITS 3 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 -#ifdef CFG_ENV_IS_IN_EEPROM -#define CFG_ENV_SIZE 0x200 /* Size of Environment vars */ -#define CFG_ENV_OFFSET 0x0 -#endif /* CFG_ENV_IS_IN_EEPROM */ - /* I2C SYSMON (LM75, AD7414 is almost compatible) */ #define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */ #define CONFIG_DTT_AD7414 1 /* use AD7414 */ diff --git a/include/environment.h b/include/environment.h index 422f800897..26b07120da 100644 --- a/include/environment.h +++ b/include/environment.h @@ -79,6 +79,10 @@ # ifdef CFG_ENV_OFFSET_REDUND # define CFG_REDUNDAND_ENVIRONMENT # endif +# if defined(CONFIG_NAND_U_BOOT) +/* Use embedded environment in NAND boot versions */ +# define ENV_IS_EMBEDDED 1 +# endif #endif /* CFG_ENV_IS_IN_NAND */ |