diff options
Diffstat (limited to 'include/configs/PPChameleonEVB.h')
| -rw-r--r-- | include/configs/PPChameleonEVB.h | 105 |
1 files changed, 17 insertions, 88 deletions
diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h index c406c8f..e1155e2 100644 --- a/include/configs/PPChameleonEVB.h +++ b/include/configs/PPChameleonEVB.h @@ -188,36 +188,31 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ +/* + * nand device 1 on dave (PPChameleonEVB) needs more time, + * so we just introduce additional wait in nand_wait(), + * effectively for both devices. + */ +#define PPCHAMELON_NAND_TIMER_HACK -/* 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_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 -#define ADDR_COLUMN 1 -#define ADDR_PAGE 2 -#define ADDR_COLUMN_PAGE 3 - -#define NAND_ChipID_UNKNOWN 0x00 -#define NAND_MAX_FLOORS 1 #define NAND_MAX_CHIPS 1 #define CFG_NAND0_CE (0x80000000 >> 1) /* our CE is GPIO1 */ +#define CFG_NAND0_RDY (0x80000000 >> 4) /* our RDY is GPIO4 */ #define CFG_NAND0_CLE (0x80000000 >> 2) /* our CLE is GPIO2 */ #define CFG_NAND0_ALE (0x80000000 >> 3) /* our ALE is GPIO3 */ -#define CFG_NAND0_RDY (0x80000000 >> 4) /* our RDY is GPIO4 */ #define CFG_NAND1_CE (0x80000000 >> 14) /* our CE is GPIO14 */ +#define CFG_NAND1_RDY (0x80000000 >> 31) /* our RDY is GPIO31 */ #define CFG_NAND1_CLE (0x80000000 >> 15) /* our CLE is GPIO15 */ #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) \ @@ -293,83 +288,17 @@ break; \ } \ } while(0) -#else -#define NAND_DISABLE_CE(nand) do \ -{ \ - switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ - { \ - 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 NAND_ENABLE_CE(nand) do \ -{ \ - switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ - { \ - 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 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 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) +#if 0 +#define SECTORSIZE 512 +#define NAND_NO_RB -#define 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 ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 -#define 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) -#endif /* !CONFIG_NEW_NAND_CODE */ +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 #ifdef NAND_NO_RB /* constant delay (see also tR in the datasheet) */ @@ -385,7 +314,7 @@ #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)(d); } while(0) #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0) #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr)) - +#endif /*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- |