From 8b39501d28754e72726ce7fb02310e56dbdf116a Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Sun, 29 Apr 2007 14:13:01 +0200 Subject: ppc4xx: Bamboo: Use current NAND driver and *not* the legacy driver Signed-off-by: Stefan Roese --- include/configs/bamboo.h | 67 +++++------------------------------------------- 1 file changed, 7 insertions(+), 60 deletions(-) (limited to 'include/configs/bamboo.h') diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h index bcc736c..db58a9f 100644 --- a/include/configs/bamboo.h +++ b/include/configs/bamboo.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2005-2006 + * (C) Copyright 2005-2007 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * See file CREDITS for list of people who contributed to this @@ -43,7 +43,6 @@ * 2nd ethernet port you have to "undef" the following define. */ #define CONFIG_BAMBOO_NAND 1 /* enable nand flash support */ -#define CFG_NAND_LEGACY /*----------------------------------------------------------------------- * Base addresses -- Note these are effective addresses where the @@ -143,65 +142,13 @@ #endif /* CFG_ENV_IS_IN_FLASH */ /*----------------------------------------------------------------------- - * NAND-FLASH related + * NAND FLASH *----------------------------------------------------------------------*/ -#define NAND_CMD_REG (0x00) /* NandFlash Command Register */ -#define NAND_ADDR_REG (0x04) /* NandFlash Address Register */ -#define NAND_DATA_REG (0x08) /* NandFlash Data Register */ -#define NAND_ECC0_REG (0x10) /* NandFlash ECC Register0 */ -#define NAND_ECC1_REG (0x14) /* NandFlash ECC Register1 */ -#define NAND_ECC2_REG (0x18) /* NandFlash ECC Register2 */ -#define NAND_ECC3_REG (0x1C) /* NandFlash ECC Register3 */ -#define NAND_ECC4_REG (0x20) /* NandFlash ECC Register4 */ -#define NAND_ECC5_REG (0x24) /* NandFlash ECC Register5 */ -#define NAND_ECC6_REG (0x28) /* NandFlash ECC Register6 */ -#define NAND_ECC7_REG (0x2C) /* NandFlash ECC Register7 */ -#define NAND_CR0_REG (0x30) /* NandFlash Device Bank0 Config Register */ -#define NAND_CR1_REG (0x34) /* NandFlash Device Bank1 Config Register */ -#define NAND_CR2_REG (0x38) /* NandFlash Device Bank2 Config Register */ -#define NAND_CR3_REG (0x3C) /* NandFlash Device Bank3 Config Register */ -#define NAND_CCR_REG (0x40) /* NandFlash Core Configuration Register */ -#define NAND_STAT_REG (0x44) /* NandFlash Device Status Register */ -#define NAND_HWCTL_REG (0x48) /* NandFlash Direct Hwd Control Register */ -#define NAND_REVID_REG (0x50) /* NandFlash Core Revision Id Register */ - -/* Nand Flash K9F1208U0A Command Set => Nand Flash 0 */ -#define NAND0_CMD_READ1_HALF1 0x00 /* Starting addr for 1rst half of registers */ -#define NAND0_CMD_READ1_HALF2 0x01 /* Starting addr for 2nd half of registers */ -#define NAND0_CMD_READ2 0x50 -#define NAND0_CMD_READ_ID 0x90 -#define NAND0_CMD_READ_STATUS 0x70 -#define NAND0_CMD_RESET 0xFF -#define NAND0_CMD_PAGE_PROG 0x80 -#define NAND0_CMD_PAGE_PROG_TRUE 0x10 -#define NAND0_CMD_PAGE_PROG_DUMMY 0x11 -#define NAND0_CMD_BLOCK_ERASE 0x60 -#define NAND0_CMD_BLOCK_ERASE_END 0xD0 - -#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ -#define SECTORSIZE 512 - -#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 WRITE_NAND_COMMAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_CMD_REG) = d;} while(0) -#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_ADDR_REG) = d;} while(0) -#define WRITE_NAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_DATA_REG) = d;} while(0) -#define READ_NAND(adr) (*(volatile u8 *)((ulong)adr+NAND_DATA_REG)) -#define NAND_WAIT_READY(nand) while (!(*(volatile u8 *)((ulong)nand->IO_ADDR+NAND_STAT_REG) & 0x01)) - -/* not needed with 440EP NAND controller */ -#define NAND_CTL_CLRALE(nandptr) -#define NAND_CTL_SETALE(nandptr) -#define NAND_CTL_CLRCLE(nandptr) -#define NAND_CTL_SETCLE(nandptr) -#define NAND_DISABLE_CE(nand) -#define NAND_ENABLE_CE(nand) +#define CFG_MAX_NAND_DEVICE 1 +#define NAND_MAX_CHIPS 1 +#define CFG_NAND_CS 1 +#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS) +#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */ /*----------------------------------------------------------------------- * DDR SDRAM -- cgit v1.1 From cf959c7d6687567c308e366e9581e1a5aff5cc5b Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Fri, 1 Jun 2007 15:27:11 +0200 Subject: ppc4xx: Add NAND booting support for AMCC Bamboo (440EP) eval board This patch adds NAND booting support for the AMCC Bamboo eval board. Since the NAND-SPL boot image is limited to 4kbytes, this version only supports the onboard 64MBytes of DDR. The DIMM modules can't be supported, since the setup code for I2C DIMM autodetection and configuration is too big for this NAND bootloader. Signed-off-by: Stefan Roese --- include/configs/bamboo.h | 88 +++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 76 insertions(+), 12 deletions(-) (limited to 'include/configs/bamboo.h') diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h index db58a9f..763d1c7 100644 --- a/include/configs/bamboo.h +++ b/include/configs/bamboo.h @@ -50,7 +50,7 @@ *----------------------------------------------------------------------*/ #define CFG_MONITOR_LEN (384 * 1024) /* Reserve 384 kB for Monitor */ #define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */ -#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN) +#define CFG_MONITOR_BASE TEXT_BASE #define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */ #define CFG_FLASH_BASE 0xfff00000 /* start of FLASH */ #define CFG_PCI_MEMBASE 0xa0000000 /* mapped pci memory*/ @@ -104,14 +104,11 @@ /*----------------------------------------------------------------------- * Environment *----------------------------------------------------------------------*/ -/* - * Define here the location of the environment variables (FLASH or EEPROM). - * Note: DENX encourages to use redundant environment in FLASH. - */ -#if 1 +#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_EEPROM 1 /* use EEPROM for environment vars */ +#define CFG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */ +#define CFG_ENV_IS_EMBEDDED 1 /* use embedded environment */ #endif /*----------------------------------------------------------------------- @@ -133,7 +130,7 @@ #ifdef CFG_ENV_IS_IN_FLASH #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ -#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) +#define CFG_ENV_ADDR ((-CFG_MONITOR_LEN)-CFG_ENV_SECT_SIZE) #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ /* Address and size of Redundant Environment Sector */ @@ -141,22 +138,89 @@ #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) #endif /* CFG_ENV_IS_IN_FLASH */ +/* + * IPL (Initial Program Loader, integrated inside CPU) + * Will load first 4k from NAND (SPL) into cache and execute it from there. + * + * SPL (Secondary Program Loader) + * Will load special U-Boot version (NUB) from NAND and execute it. This SPL + * has to fit into 4kByte. It sets up the CPU and configures the SDRAM + * controller and the NAND controller so that the special U-Boot image can be + * loaded from NAND to SDRAM. + * + * NUB (NAND U-Boot) + * This NAND U-Boot (NUB) is a special U-Boot version which can be started + * from RAM. Therefore it mustn't (re-)configure the SDRAM controller. + * + * On 440EPx the SPL is copied to SDRAM before the NAND controller is + * set up. While still running from cache, I experienced problems accessing + * the NAND controller. sr - 2006-08-25 + */ +#define CFG_NAND_BOOT_SPL_SRC 0xfffff000 /* SPL location */ +#define CFG_NAND_BOOT_SPL_SIZE (4 << 10) /* SPL size */ +#define CFG_NAND_BOOT_SPL_DST 0x00800000 /* Copy SPL here */ +#define CFG_NAND_U_BOOT_DST 0x01000000 /* Load NUB to this addr */ +#define CFG_NAND_U_BOOT_START CFG_NAND_U_BOOT_DST /* Start NUB from this addr */ +#define CFG_NAND_BOOT_SPL_DELTA (CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST) + +/* + * Define the partitioning of the NAND chip (only RAM U-Boot is needed here) + */ +#define CFG_NAND_U_BOOT_OFFS (16 << 10) /* Offset to RAM U-Boot image */ +#define CFG_NAND_U_BOOT_SIZE (384 << 10) /* Size of RAM U-Boot image */ + +/* + * Now the NAND chip has to be defined (no autodetection used!) + */ +#define CFG_NAND_PAGE_SIZE 512 /* NAND chip page size */ +#define CFG_NAND_BLOCK_SIZE (16 << 10) /* NAND chip block size */ +#define CFG_NAND_PAGE_COUNT 32 /* NAND chip page count */ +#define CFG_NAND_BAD_BLOCK_POS 5 /* Location of bad block marker */ +#define CFG_NAND_4_ADDR_CYCLE 1 /* Fourth addr used (>32MB) */ + +#define CFG_NAND_ECCSIZE 256 +#define CFG_NAND_ECCBYTES 3 +#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE) +#define CFG_NAND_OOBSIZE 16 +#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS) +#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7} + +#ifdef CFG_ENV_IS_IN_NAND +/* + * 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 + /*----------------------------------------------------------------------- * NAND FLASH *----------------------------------------------------------------------*/ -#define CFG_MAX_NAND_DEVICE 1 -#define NAND_MAX_CHIPS 1 -#define CFG_NAND_CS 1 +#define CFG_MAX_NAND_DEVICE 2 +#define NAND_MAX_CHIPS CFG_MAX_NAND_DEVICE #define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS) +#define CFG_NAND_BASE_LIST { CFG_NAND_BASE, CFG_NAND_ADDR + 2 } #define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */ +#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL) +#define CFG_NAND_CS 1 +#else +#define CFG_NAND_CS 0 /* NAND chip connected to CSx */ +/* Memory Bank 0 (NAND-FLASH) initialization */ +#define CFG_EBC_PB0AP 0x018003c0 +#define CFG_EBC_PB0CR (CFG_NAND_ADDR | 0x1c000) +#endif + /*----------------------------------------------------------------------- * DDR SDRAM *----------------------------------------------------------------------------- */ #define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */ #undef CONFIG_DDR_ECC /* don't use ECC */ #define CFG_SIMULATE_SPD_EEPROM 0xff /* simulate spd eeprom on this address */ -#define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51} +#define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51} +#define CFG_MBYTES_SDRAM (64) /* 64MB fixed size for early-sdram-init */ /*----------------------------------------------------------------------- * I2C -- cgit v1.1