--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * 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 CONFIG_SYS_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)
Code Review / kvmfornfv.git / blobdiff