diff options
Diffstat (limited to 'include/configs/versatile.h')
| -rw-r--r-- | include/configs/versatile.h | 65 |
1 files changed, 50 insertions, 15 deletions
diff --git a/include/configs/versatile.h b/include/configs/versatile.h index a53f80a..a9b70cc 100644 --- a/include/configs/versatile.h +++ b/include/configs/versatile.h @@ -167,13 +167,20 @@ #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ #define PHYS_SDRAM_1_SIZE 0x08000000 /* 128 MB */ - -#define CONFIG_SYS_FLASH_BASE 0x34000000 +#define PHYS_FLASH_SIZE 0x04000000 /* 64MB */ /*----------------------------------------------------------------------- * FLASH and environment organization */ - +/* + * Use the CFI flash driver for ease of use + */ +#define CONFIG_SYS_FLASH_CFI +#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_ENV_IS_IN_FLASH 1 +/* + * System control register + */ #define VERSATILE_SYS_BASE 0x10000000 #define VERSATILE_SYS_FLASH_OFFSET 0x4C #define VERSATILE_FLASHCTRL \ @@ -181,19 +188,47 @@ /* Enable writing to flash */ #define VERSATILE_FLASHPROG_FLVPPEN (1 << 0) -#define CONFIG_SYS_MAX_FLASH_BANKS 1 -#define PHYS_FLASH_SIZE 0x34000000 /* 64MB */ /* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (20 * CONFIG_SYS_HZ) /* Erase Timeout */ -#define CONFIG_SYS_FLASH_WRITE_TOUT (20 * CONFIG_SYS_HZ) /* Write Timeout */ -#define CONFIG_SYS_MAX_FLASH_SECT (256) +#define CONFIG_SYS_FLASH_ERASE_TOUT (2 * CONFIG_SYS_HZ) /* Erase Timeout */ +#define CONFIG_SYS_FLASH_WRITE_TOUT (2 * CONFIG_SYS_HZ) /* Write Timeout */ + +/* + * Note that CONFIG_SYS_MAX_FLASH_SECT allows for a parameter block + * i.e. + * the bottom "sector" (bottom boot), or top "sector" + * (top boot), is a seperate erase region divided into + * 4 (equal) smaller sectors. This, notionally, allows + * quicker erase/rewrire of the most frequently changed + * area...... + * CONFIG_SYS_MAX_FLASH_SECT is padded up to a multiple of 4 + */ + +#ifdef CONFIG_ARCH_VERSATILE_AB +#define FLASH_SECTOR_SIZE 0x00020000 /* 128 KB sectors */ +#define CONFIG_ENV_SECT_SIZE (2 * FLASH_SECTOR_SIZE) +#define CONFIG_SYS_MAX_FLASH_SECT (520) +#endif + +#ifdef CONFIG_ARCH_VERSATILE_PB /* Versatile PB is default */ +#define FLASH_SECTOR_SIZE 0x00040000 /* 256 KB sectors */ +#define CONFIG_ENV_SECT_SIZE FLASH_SECTOR_SIZE +#define CONFIG_SYS_MAX_FLASH_SECT (260) +#endif + +#define CONFIG_SYS_FLASH_BASE 0x34000000 +#define CONFIG_SYS_MAX_FLASH_BANKS 1 + +#define CONFIG_SYS_MONITOR_LEN (4 * CONFIG_ENV_SECT_SIZE) + +/* The ARM Boot Monitor is shipped in the lowest sector of flash */ -#define PHYS_FLASH_1 (CONFIG_SYS_FLASH_BASE) +#define FLASH_TOP (CONFIG_SYS_FLASH_BASE + PHYS_FLASH_SIZE) +#define CONFIG_ENV_SIZE 8192 +#define CONFIG_ENV_ADDR (FLASH_TOP - CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_OFFSET (CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE) +#define CONFIG_SYS_MONITOR_BASE (CONFIG_ENV_ADDR - CONFIG_SYS_MONITOR_LEN) -#define CONFIG_ENV_IS_IN_FLASH 1 /* env in flash */ -#define CONFIG_ENV_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */ -#define CONFIG_ENV_SIZE 0x10000 /* Size of Environment */ -#define CONFIG_ENV_OFFSET 0x01f00000 /* environment starts */ -#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET) +#define CONFIG_SYS_FLASH_PROTECTION /* The devices have real protection */ +#define CONFIG_SYS_FLASH_EMPTY_INFO /* flinfo indicates empty blocks */ -#endif /* __CONFIG_H */ +#endif /* __CONFIG_H */ |