diff options
Diffstat (limited to 'include/configs/PPChameleonEVB.h')
| -rw-r--r-- | include/configs/PPChameleonEVB.h | 90 |
1 files changed, 86 insertions, 4 deletions
diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h index 7ca827f..c406c8f 100644 --- a/include/configs/PPChameleonEVB.h +++ b/include/configs/PPChameleonEVB.h @@ -188,10 +188,14 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ + +/* Use the new NAND code. (BOARDLIBS = drivers/nand/libnand.a required) */ +#define CONFIG_NEW_NAND_CODE #define CFG_NAND0_BASE 0xFF400000 #define CFG_NAND1_BASE 0xFF000000 - -#define CFG_MAX_NAND_DEVICE 2 /* Max number of NAND devices */ +#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE, CFG_NAND1_BASE } +#define NAND_BIG_DELAY_US 25 +#define CFG_MAX_NAND_DEVICE 2 /* Max number of NAND devices */ #define SECTORSIZE 512 #define NAND_NO_RB @@ -213,6 +217,83 @@ #define CFG_NAND1_ALE (0x80000000 >> 16) /* our ALE is GPIO16 */ #define CFG_NAND1_RDY (0x80000000 >> 31) /* our RDY is GPIO31 */ +#ifdef CONFIG_NEW_NAND_CODE +#define MACRO_NAND_DISABLE_CE(nandptr) do \ +{ \ + switch((unsigned long)nandptr) \ + { \ + case CFG_NAND0_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CE); \ + break; \ + case CFG_NAND1_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND1_CE); \ + break; \ + } \ +} while(0) + +#define MACRO_NAND_ENABLE_CE(nandptr) do \ +{ \ + switch((unsigned long)nandptr) \ + { \ + case CFG_NAND0_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_CE); \ + break; \ + case CFG_NAND1_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND1_CE); \ + break; \ + } \ +} while(0) + +#define MACRO_NAND_CTL_CLRALE(nandptr) do \ +{ \ + switch((unsigned long)nandptr) \ + { \ + case CFG_NAND0_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_ALE); \ + break; \ + case CFG_NAND1_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND1_ALE); \ + break; \ + } \ +} while(0) + +#define MACRO_NAND_CTL_SETALE(nandptr) do \ +{ \ + switch((unsigned long)nandptr) \ + { \ + case CFG_NAND0_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_ALE); \ + break; \ + case CFG_NAND1_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND1_ALE); \ + break; \ + } \ +} while(0) + +#define MACRO_NAND_CTL_CLRCLE(nandptr) do \ +{ \ + switch((unsigned long)nandptr) \ + { \ + case CFG_NAND0_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_CLE); \ + break; \ + case CFG_NAND1_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND1_CLE); \ + break; \ + } \ +} while(0) + +#define MACRO_NAND_CTL_SETCLE(nandptr) do { \ + switch((unsigned long)nandptr) { \ + case CFG_NAND0_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CLE); \ + break; \ + case CFG_NAND1_BASE: \ + out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND1_CLE); \ + break; \ + } \ +} while(0) +#else #define NAND_DISABLE_CE(nand) do \ { \ switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ @@ -288,6 +369,7 @@ break; \ } \ } while(0) +#endif /* !CONFIG_NEW_NAND_CODE */ #ifdef NAND_NO_RB /* constant delay (see also tR in the datasheet) */ @@ -338,16 +420,16 @@ #define CFG_SDRAM_BASE 0x00000000 /* Reserve 256 kB for Monitor */ +/* #define CFG_FLASH_BASE 0xFFFC0000 #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN (256 * 1024) +*/ /* Reserve 320 kB for Monitor */ -/* #define CFG_FLASH_BASE 0xFFFB0000 #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN (320 * 1024) -*/ #define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */ |