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| author | wdenk <wdenk> | 2004-01-03 00:43:19 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2004-01-03 00:43:19 +0000 | 
| commit | 3a473b2a6523db9cdf2b5aed22d9730b4ebc5693 (patch) | |
| tree | 40da84736871e773141ea971d832bf0c908d59b7 /board/Marvell/common/intel_flash.h | |
| parent | b6e4c4033c4f889c452c511d38c77808c67f9cf7 (diff) | |
| download | olio-uboot-2014.01-3a473b2a6523db9cdf2b5aed22d9730b4ebc5693.tar.xz olio-uboot-2014.01-3a473b2a6523db9cdf2b5aed22d9730b4ebc5693.zip | |
* Patch by Ronen Shitrit, 10 Dec 2003:
  Add support for the Marvell DB64360 / DB64460 development boards
* Patch by Detlev Zundel, 10 Dec 2003:
  fix dependency problem in examples/Makefile
Diffstat (limited to 'board/Marvell/common/intel_flash.h')
| -rw-r--r-- | board/Marvell/common/intel_flash.h | 186 | 
1 files changed, 186 insertions, 0 deletions
| diff --git a/board/Marvell/common/intel_flash.h b/board/Marvell/common/intel_flash.h new file mode 100644 index 000000000..666a4cdca --- /dev/null +++ b/board/Marvell/common/intel_flash.h @@ -0,0 +1,186 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Hacked for the marvell db64360 eval board by + * Ingo Assmus <ingo.assmus@keymile.com> + */ + +/*************** 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) |