From d409f3fd05bef817c37bade4b6a803da80dc7ad0 Mon Sep 17 00:00:00 2001 From: Fred Fan Date: Mon, 23 Feb 2009 13:34:09 +0800 Subject: ENGR00094619 Support i.MX31 3stack board Support boot from NAND Flash Add driver for i.MX31 NFC Upgate U-Boot to support NAND boot Signed-off-by: Xinyu Chen --- include/asm-arm/arch-mx31/mx31-regs.h | 96 +++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) (limited to 'include/asm-arm/arch-mx31') diff --git a/include/asm-arm/arch-mx31/mx31-regs.h b/include/asm-arm/arch-mx31/mx31-regs.h index 51b02a2..a8b7c10 100644 --- a/include/asm-arm/arch-mx31/mx31-regs.h +++ b/include/asm-arm/arch-mx31/mx31-regs.h @@ -255,4 +255,100 @@ */ #define NFC_BASE_ADDR 0xB8000000 +/* + * Addresses for NFC registers + */ +#define NFC_BUF_SIZE (*((volatile u16 *)(NFC_BASE_ADDR + 0xE00))) +#define NFC_BUF_ADDR (*((volatile u16 *)(NFC_BASE_ADDR + 0xE04))) +#define NFC_FLASH_ADDR (*((volatile u16 *)(NFC_BASE_ADDR + 0xE06))) +#define NFC_FLASH_CMD (*((volatile u16 *)(NFC_BASE_ADDR + 0xE08))) +#define NFC_CONFIG (*((volatile u16 *)(NFC_BASE_ADDR + 0xE0A))) +#define NFC_ECC_STATUS_RESULT (*((volatile u16 *)(NFC_BASE_ADDR + 0xE0C))) +#define NFC_RSLTMAIN_AREA (*((volatile u16 *)(NFC_BASE_ADDR + 0xE0E))) +#define NFC_RSLTSPARE_AREA (*((volatile u16 *)(NFC_BASE_ADDR + 0xE10))) +#define NFC_WRPROT (*((volatile u16 *)(NFC_BASE_ADDR + 0xE12))) +#define NFC_UNLOCKSTART_BLKADDR (*((volatile u16 *)(NFC_BASE_ADDR + 0xE14))) +#define NFC_UNLOCKEND_BLKADDR (*((volatile u16 *)(NFC_BASE_ADDR + 0xE16))) +#define NFC_NF_WRPRST (*((volatile u16 *)(NFC_BASE_ADDR + 0xE18))) +#define NFC_CONFIG1 (*((volatile u16 *)(NFC_BASE_ADDR + 0xE1A))) +#define NFC_CONFIG2 (*((volatile u16 *)(NFC_BASE_ADDR + 0xE1C))) + +#define NFC_BUFSIZE_REG_OFF (0 + 0x00) +#define RAM_BUFFER_ADDRESS_REG_OFF (0 + 0x04) +#define NAND_FLASH_ADD_REG_OFF (0 + 0x06) +#define NAND_FLASH_CMD_REG_OFF (0 + 0x08) +#define NFC_CONFIGURATION_REG_OFF (0 + 0x0A) +#define ECC_STATUS_RESULT_REG_OFF (0 + 0x0C) +#define ECC_RSLT_MAIN_AREA_REG_OFF (0 + 0x0E) +#define ECC_RSLT_SPARE_AREA_REG_OFF (0 + 0x10) +#define NF_WR_PROT_REG_OFF (0 + 0x12) +#define UNLOCK_START_BLK_ADD_REG_OFF (0 + 0x14) +#define UNLOCK_END_BLK_ADD_REG_OFF (0 + 0x16) +#define NAND_FLASH_WR_PR_ST_REG_OFF (0 + 0x18) +#define NAND_FLASH_CONFIG1_REG_OFF (0 + 0x1A) +#define NAND_FLASH_CONFIG2_REG_OFF (0 + 0x1C) +#define RAM_BUFFER_ADDRESS_RBA_3 0x3 +#define NFC_BUFSIZE_1KB 0x0 +#define NFC_BUFSIZE_2KB 0x1 +#define NFC_CONFIGURATION_UNLOCKED 0x2 +#define ECC_STATUS_RESULT_NO_ERR 0x0 +#define ECC_STATUS_RESULT_1BIT_ERR 0x1 +#define ECC_STATUS_RESULT_2BIT_ERR 0x2 +#define NF_WR_PROT_UNLOCK 0x4 +#define NAND_FLASH_CONFIG1_FORCE_CE (1 << 7) +#define NAND_FLASH_CONFIG1_RST (1 << 6) +#define NAND_FLASH_CONFIG1_BIG (1 << 5) +#define NAND_FLASH_CONFIG1_INT_MSK (1 << 4) +#define NAND_FLASH_CONFIG1_ECC_EN (1 << 3) +#define NAND_FLASH_CONFIG1_SP_EN (1 << 2) +#define NAND_FLASH_CONFIG2_INT_DONE (1 << 15) +#define NAND_FLASH_CONFIG2_FDO_PAGE (0 << 3) +#define NAND_FLASH_CONFIG2_FDO_ID (2 << 3) +#define NAND_FLASH_CONFIG2_FDO_STATUS (4 << 3) +#define NAND_FLASH_CONFIG2_FDI_EN (1 << 2) +#define NAND_FLASH_CONFIG2_FADD_EN (1 << 1) +#define NAND_FLASH_CONFIG2_FCMD_EN (1 << 0) +#define FDO_PAGE_SPARE_VAL 0x8 +#define NAND_FLASH_BOOT 0x10000000 +#define MXCFIS_NAND 0x10000000 + +/* + * Addresses for NFC RAM BUFFER Main area 0 + */ +#define MAIN_AREA0 (volatile u16 *)(NFC_BASE_ADDR + 0x000) +#define MAIN_AREA1 (volatile u16 *)(NFC_BASE_ADDR + 0x200) +#define MAIN_AREA2 (volatile u16 *)(NFC_BASE_ADDR + 0x400) +#define MAIN_AREA3 (volatile u16 *)(NFC_BASE_ADDR + 0x600) + +/* + * Addresses for NFC SPARE BUFFER Spare area 0 + */ +#define SPARE_AREA0 (volatile u16 *)(NFC_BASE_ADDR + 0x800) +#define SPARE_AREA1 (volatile u16 *)(NFC_BASE_ADDR + 0x810) +#define SPARE_AREA2 (volatile u16 *)(NFC_BASE_ADDR + 0x820) +#define SPARE_AREA3 (volatile u16 *)(NFC_BASE_ADDR + 0x830) + +#define NFC_CMD 0x1 +#define NFC_ADDR 0x2 +#define NFC_INPUT 0x4 +#define NFC_OUTPUT 0x8 +#define NFC_ID 0x10 +#define NFC_STATUS 0x20 +#define NFC_INT 0x8000 + +#define NFC_SP_EN (1 << 2) +#define NFC_ECC_EN (1 << 3) +#define NFC_INT_MSK (1 << 4) +#define NFC_BIG (1 << 5) +#define NFC_RST (1 << 6) +#define NFC_CE (1 << 7) +#define NFC_ONE_CYCLE (1 << 8) + +/* + * NFMS bit in RCSR register for pagesize of nandflash + */ +#define NFMS (*((volatile u32 *)CCM_RCSR)) +#define NFMS_BIT 30 + #endif /* __ASM_ARCH_MX31_REGS_H */ + -- cgit v1.1