mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-18 16:08:53 +09:00
161 lines
6.6 KiB
C
161 lines
6.6 KiB
C
/*************** DEFINES for Intel StrataFlash FLASH chip ********************/
|
|
|
|
/*
|
|
* acceptable chips types are:
|
|
*
|
|
* 28F320J5, 28F640J5, 28F320J3A, 28F640J3A and 28F128J3A
|
|
*/
|
|
|
|
/* register addresses, valid only following an CHIP_CMD_RD_ID command */
|
|
#define CHIP_ADDR_REG_MAN 0x000000 /* manufacturer's id */
|
|
#define CHIP_ADDR_REG_DEV 0x000001 /* device id */
|
|
#define CHIP_ADDR_REG_CFGM 0x000003 /* master lock config */
|
|
#define CHIP_ADDR_REG_CFG(b) (((b)<<16)|2) /* lock config for block b */
|
|
|
|
/* Commands */
|
|
#define CHIP_CMD_RST 0xFF /* reset flash */
|
|
#define CHIP_CMD_RD_ID 0x90 /* read the id and lock bits */
|
|
#define CHIP_CMD_RD_QUERY 0x98 /* read device capabilities */
|
|
#define CHIP_CMD_RD_STAT 0x70 /* read the status register */
|
|
#define CHIP_CMD_CLR_STAT 0x50 /* clear the staus register */
|
|
#define CHIP_CMD_WR_BUF 0xE8 /* clear the staus register */
|
|
#define CHIP_CMD_PROG 0x40 /* program word command */
|
|
#define CHIP_CMD_ERASE1 0x20 /* 1st word for block erase */
|
|
#define CHIP_CMD_ERASE2 0xD0 /* 2nd word for block erase */
|
|
#define CHIP_CMD_ERASE_SUSP 0xB0 /* suspend block erase */
|
|
#define CHIP_CMD_LOCK 0x60 /* 1st word for all lock cmds */
|
|
#define CHIP_CMD_SET_LOCK_BLK 0x01 /* 2nd wrd set block lock bit */
|
|
#define CHIP_CMD_SET_LOCK_MSTR 0xF1 /* 2nd wrd set master lck bit */
|
|
#define CHIP_CMD_CLR_LOCK_BLK 0xD0 /* 2nd wrd clear blk lck bit */
|
|
|
|
/* status register bits */
|
|
#define CHIP_STAT_DPS 0x02 /* Device Protect Status */
|
|
#define CHIP_STAT_VPPS 0x08 /* VPP Status */
|
|
#define CHIP_STAT_PSLBS 0x10 /* Program+Set Lock Bit Stat */
|
|
#define CHIP_STAT_ECLBS 0x20 /* Erase+Clr Lock Bit Stat */
|
|
#define CHIP_STAT_ESS 0x40 /* Erase Suspend Status */
|
|
#define CHIP_STAT_RDY 0x80 /* WSM Mach Status, 1=rdy */
|
|
|
|
#define CHIP_STAT_ERR (CHIP_STAT_VPPS | CHIP_STAT_DPS | \
|
|
CHIP_STAT_ECLBS | CHIP_STAT_PSLBS)
|
|
|
|
/* ID and Lock Configuration */
|
|
#define CHIP_RD_ID_LOCK 0x01 /* Bit 0 of each byte */
|
|
#define CHIP_RD_ID_MAN 0x89 /* Manufacturer code = 0x89 */
|
|
#define CHIP_RD_ID_DEV CFG_FLASH_ID
|
|
|
|
/* dimensions */
|
|
#define CHIP_WIDTH 2 /* chips are in 16 bit mode */
|
|
#define CHIP_WSHIFT 1 /* (log2 of CHIP_WIDTH) */
|
|
#define CHIP_NBLOCKS 128
|
|
#define CHIP_BLKSZ (128 * 1024) /* of 128Kbytes each */
|
|
#define CHIP_SIZE (CHIP_BLKSZ * CHIP_NBLOCKS)
|
|
|
|
/********************** DEFINES for Hymod Flash ******************************/
|
|
|
|
/*
|
|
* The hymod board has 2 x 28F320J5 chips running in
|
|
* 16 bit mode, for a 32 bit wide bank.
|
|
*/
|
|
|
|
typedef unsigned short bank_word_t; /* 8/16/32/64bit unsigned int */
|
|
typedef volatile bank_word_t *bank_addr_t;
|
|
typedef unsigned long bank_size_t; /* want this big - >= 32 bit */
|
|
|
|
#define BANK_CHIP_WIDTH 1 /* each bank is 1 chip wide */
|
|
#define BANK_CHIP_WSHIFT 0 /* (log2 of BANK_CHIP_WIDTH) */
|
|
|
|
#define BANK_WIDTH (CHIP_WIDTH * BANK_CHIP_WIDTH)
|
|
#define BANK_WSHIFT (CHIP_WSHIFT + BANK_CHIP_WSHIFT)
|
|
#define BANK_NBLOCKS CHIP_NBLOCKS
|
|
#define BANK_BLKSZ (CHIP_BLKSZ * BANK_CHIP_WIDTH)
|
|
#define BANK_SIZE (CHIP_SIZE * BANK_CHIP_WIDTH)
|
|
|
|
#define MAX_BANKS 1 /* only one bank possible */
|
|
|
|
/* align bank addresses and sizes to bank word boundaries */
|
|
#define BANK_ADDR_WORD_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \
|
|
& ~(BANK_WIDTH - 1)))
|
|
#define BANK_SIZE_WORD_ALIGN(s) ((bank_size_t)BANK_ADDR_WORD_ALIGN( \
|
|
(bank_size_t)(s) + (BANK_WIDTH - 1)))
|
|
|
|
/* align bank addresses and sizes to bank block boundaries */
|
|
#define BANK_ADDR_BLK_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \
|
|
& ~(BANK_BLKSZ - 1)))
|
|
#define BANK_SIZE_BLK_ALIGN(s) ((bank_size_t)BANK_ADDR_BLK_ALIGN( \
|
|
(bank_size_t)(s) + (BANK_BLKSZ - 1)))
|
|
|
|
/* align bank addresses and sizes to bank boundaries */
|
|
#define BANK_ADDR_BANK_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \
|
|
& ~(BANK_SIZE - 1)))
|
|
#define BANK_SIZE_BANK_ALIGN(s) ((bank_size_t)BANK_ADDR_BANK_ALIGN( \
|
|
(bank_size_t)(s) + (BANK_SIZE - 1)))
|
|
|
|
/* add an offset to a bank address */
|
|
#define BANK_ADDR_OFFSET(a, o) (bank_addr_t)((bank_size_t)(a) + \
|
|
(bank_size_t)(o))
|
|
|
|
/* get base address of bank b, given flash base address a */
|
|
#define BANK_ADDR_BASE(a, b) BANK_ADDR_OFFSET(BANK_ADDR_BANK_ALIGN(a), \
|
|
(bank_size_t)(b) * BANK_SIZE)
|
|
|
|
/* adjust a bank address to start of next word, block or bank */
|
|
#define BANK_ADDR_NEXT_WORD(a) BANK_ADDR_OFFSET(BANK_ADDR_WORD_ALIGN(a), \
|
|
BANK_WIDTH)
|
|
#define BANK_ADDR_NEXT_BLK(a) BANK_ADDR_OFFSET(BANK_ADDR_BLK_ALIGN(a), \
|
|
BANK_BLKSZ)
|
|
#define BANK_ADDR_NEXT_BANK(a) BANK_ADDR_OFFSET(BANK_ADDR_BANK_ALIGN(a), \
|
|
BANK_SIZE)
|
|
|
|
/* get bank address of chip register r given a bank base address a */
|
|
#define BANK_ADDR_REG(a, r) BANK_ADDR_OFFSET(BANK_ADDR_BANK_ALIGN(a), \
|
|
((bank_size_t)(r) << BANK_WSHIFT))
|
|
|
|
/* make a bank address for each chip register address */
|
|
|
|
#define BANK_ADDR_REG_MAN(a) BANK_ADDR_REG((a), CHIP_ADDR_REG_MAN)
|
|
#define BANK_ADDR_REG_DEV(a) BANK_ADDR_REG((a), CHIP_ADDR_REG_DEV)
|
|
#define BANK_ADDR_REG_CFGM(a) BANK_ADDR_REG((a), CHIP_ADDR_REG_CFGM)
|
|
#define BANK_ADDR_REG_CFG(b,a) BANK_ADDR_REG((a), CHIP_ADDR_REG_CFG(b))
|
|
|
|
/*
|
|
* replicate a chip cmd/stat/rd value into each byte position within a word
|
|
* so that multiple chips are accessed in a single word i/o operation
|
|
*
|
|
* this must be as wide as the bank_word_t type, and take into account the
|
|
* chip width and bank layout
|
|
*/
|
|
|
|
#define BANK_FILL_WORD(o) ((bank_word_t)(o))
|
|
|
|
/* make a bank word value for each chip cmd/stat/rd value */
|
|
|
|
/* Commands */
|
|
#define BANK_CMD_RST BANK_FILL_WORD(CHIP_CMD_RST)
|
|
#define BANK_CMD_RD_ID BANK_FILL_WORD(CHIP_CMD_RD_ID)
|
|
#define BANK_CMD_RD_STAT BANK_FILL_WORD(CHIP_CMD_RD_STAT)
|
|
#define BANK_CMD_CLR_STAT BANK_FILL_WORD(CHIP_CMD_CLR_STAT)
|
|
#define BANK_CMD_ERASE1 BANK_FILL_WORD(CHIP_CMD_ERASE1)
|
|
#define BANK_CMD_ERASE2 BANK_FILL_WORD(CHIP_CMD_ERASE2)
|
|
#define BANK_CMD_PROG BANK_FILL_WORD(CHIP_CMD_PROG)
|
|
#define BANK_CMD_LOCK BANK_FILL_WORD(CHIP_CMD_LOCK)
|
|
#define BANK_CMD_SET_LOCK_BLK BANK_FILL_WORD(CHIP_CMD_SET_LOCK_BLK)
|
|
#define BANK_CMD_SET_LOCK_MSTR BANK_FILL_WORD(CHIP_CMD_SET_LOCK_MSTR)
|
|
#define BANK_CMD_CLR_LOCK_BLK BANK_FILL_WORD(CHIP_CMD_CLR_LOCK_BLK)
|
|
|
|
/* status register bits */
|
|
#define BANK_STAT_DPS BANK_FILL_WORD(CHIP_STAT_DPS)
|
|
#define BANK_STAT_PSS BANK_FILL_WORD(CHIP_STAT_PSS)
|
|
#define BANK_STAT_VPPS BANK_FILL_WORD(CHIP_STAT_VPPS)
|
|
#define BANK_STAT_PSLBS BANK_FILL_WORD(CHIP_STAT_PSLBS)
|
|
#define BANK_STAT_ECLBS BANK_FILL_WORD(CHIP_STAT_ECLBS)
|
|
#define BANK_STAT_ESS BANK_FILL_WORD(CHIP_STAT_ESS)
|
|
#define BANK_STAT_RDY BANK_FILL_WORD(CHIP_STAT_RDY)
|
|
|
|
#define BANK_STAT_ERR BANK_FILL_WORD(CHIP_STAT_ERR)
|
|
|
|
/* ID and Lock Configuration */
|
|
#define BANK_RD_ID_LOCK BANK_FILL_WORD(CHIP_RD_ID_LOCK)
|
|
#define BANK_RD_ID_MAN BANK_FILL_WORD(CHIP_RD_ID_MAN)
|
|
#define BANK_RD_ID_DEV BANK_FILL_WORD(CHIP_RD_ID_DEV)
|