diff options
Diffstat (limited to 'include/configs/PPChameleonEVB.h')
| -rw-r--r-- | include/configs/PPChameleonEVB.h | 67 |
1 files changed, 44 insertions, 23 deletions
diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h index 7ca827f..16e2cc6 100644 --- a/include/configs/PPChameleonEVB.h +++ b/include/configs/PPChameleonEVB.h @@ -139,8 +139,18 @@ #define CFG_I2C_RTC_ADDR 0x68 #define CFG_M41T11_BASE_YEAR 1900 +/* + * SDRAM configuration (please see cpu/ppc/sdram.[ch]) + */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ +/* SDRAM timings used in datasheet */ +#define CFG_SDRAM_CL 2 +#define CFG_SDRAM_tRP 20 +#define CFG_SDRAM_tRC 65 +#define CFG_SDRAM_tRCD 20 +#undef CFG_SDRAM_tRFC + /* * Miscellaneous configurable options */ @@ -188,34 +198,34 @@ * 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 + #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 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 */ -#define NAND_DISABLE_CE(nand) do \ +#define MACRO_NAND_DISABLE_CE(nandptr) do \ { \ - switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ + switch((unsigned long)nandptr) \ { \ case CFG_NAND0_BASE: \ out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CE); \ @@ -226,9 +236,9 @@ } \ } while(0) -#define NAND_ENABLE_CE(nand) do \ +#define MACRO_NAND_ENABLE_CE(nandptr) do \ { \ - switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ + switch((unsigned long)nandptr) \ { \ case CFG_NAND0_BASE: \ out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_CE); \ @@ -239,7 +249,7 @@ } \ } while(0) -#define NAND_CTL_CLRALE(nandptr) do \ +#define MACRO_NAND_CTL_CLRALE(nandptr) do \ { \ switch((unsigned long)nandptr) \ { \ @@ -252,7 +262,7 @@ } \ } while(0) -#define NAND_CTL_SETALE(nandptr) do \ +#define MACRO_NAND_CTL_SETALE(nandptr) do \ { \ switch((unsigned long)nandptr) \ { \ @@ -265,7 +275,7 @@ } \ } while(0) -#define NAND_CTL_CLRCLE(nandptr) do \ +#define MACRO_NAND_CTL_CLRCLE(nandptr) do \ { \ switch((unsigned long)nandptr) \ { \ @@ -278,7 +288,7 @@ } \ } while(0) -#define NAND_CTL_SETCLE(nandptr) do { \ +#define MACRO_NAND_CTL_SETCLE(nandptr) do { \ switch((unsigned long)nandptr) { \ case CFG_NAND0_BASE: \ out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CLE); \ @@ -289,6 +299,17 @@ } \ } while(0) +#if 0 +#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 + #ifdef NAND_NO_RB /* constant delay (see also tR in the datasheet) */ #define NAND_WAIT_READY(nand) do { \ @@ -303,7 +324,7 @@ #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 *----------------------------------------------------------------------- @@ -338,16 +359,16 @@ #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() */ |