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Diffstat (limited to 'board/hymod/flash.h')
| -rw-r--r-- | board/hymod/flash.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/board/hymod/flash.h b/board/hymod/flash.h deleted file mode 100644 index 6ea2823..0000000 --- a/board/hymod/flash.h +++ /dev/null @@ -1,140 +0,0 @@ -/* - * (C) Copyright 2000 - * Murray Jensen, CSIRO-MIT, <Murray.Jensen@csiro.au> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/*************** DEFINES for Intel StrataFlash FLASH chip ********************/ - -/* Commands */ -#define ISF_CMD_RST 0xFF /* reset flash */ -#define ISF_CMD_RD_ID 0x90 /* read the id and lock bits */ -#define ISF_CMD_RD_QUERY 0x98 /* read device capabilities */ -#define ISF_CMD_RD_STAT 0x70 /* read the status register */ -#define ISF_CMD_CLR_STAT 0x50 /* clear the staus register */ -#define ISF_CMD_WR_BUF 0xE8 /* clear the staus register */ -#define ISF_CMD_PROG 0x40 /* program word command */ -#define ISF_CMD_ERASE1 0x20 /* 1st word for block erase */ -#define ISF_CMD_ERASE2 0xD0 /* 2nd word for block erase */ -#define ISF_CMD_ERASE_SUSP 0xB0 /* suspend block erase */ -#define ISF_CMD_LOCK 0x60 /* 1st word for all lock cmds */ -#define ISF_CMD_SET_LOCK_BLK 0x01 /* 2nd wrd set block lock bit */ -#define ISF_CMD_SET_LOCK_MSTR 0xF1 /* 2nd wrd set master lck bit */ -#define ISF_CMD_CLR_LOCK_BLK 0xD0 /* 2nd wrd clear blk lck bit */ - -/* status register bits */ -#define ISF_STAT_DPS 0x02 /* Device Protect Status */ -#define ISF_STAT_VPPS 0x08 /* VPP Status */ -#define ISF_STAT_PSLBS 0x10 /* Program+Set Lock Bit Stat */ -#define ISF_STAT_ECLBS 0x20 /* Erase+Clr Lock Bit Stat */ -#define ISF_STAT_ESS 0x40 /* Erase Suspend Status */ -#define ISF_STAT_RDY 0x80 /* WSM Mach Status, 1=rdy */ - -#define ISF_STAT_ERR (ISF_STAT_VPPS | ISF_STAT_DPS | \ - ISF_STAT_ECLBS | ISF_STAT_PSLBS) - -/* register addresses, valid only following an ISF_CMD_RD_ID command */ -#define ISF_REG_MAN_CODE 0x00 /* manufacturer code */ -#define ISF_REG_DEV_CODE 0x01 /* device code */ -#define ISF_REG_BLK_LCK 0x02 /* block lock configuration */ -#define ISF_REG_MST_LCK 0x03 /* master lock configuration */ - -/********************** DEFINES for Hymod Flash ******************************/ - -/* - * this code requires that the flash on any Hymod board appear as a bank - * of two (identical) 16bit Intel StrataFlash chips with 64Kword erase - * sectors (or blocks), running in x16 bit mode and connected side-by-side - * to make a 32-bit wide bus. - */ - -typedef unsigned long bank_word_t; -typedef bank_word_t bank_blk_t[64 * 1024]; - -#define BANK_FILL_WORD(b) (((bank_word_t)(b) << 16) | (bank_word_t)(b)) - -#ifdef EXAMPLE - -/* theoretically the following examples should also work */ - -/* one flash chip in x8 mode with 128Kword sectors and 8bit bus */ -typedef unsigned char bank_word_t; -typedef bank_word_t bank_blk_t[128 * 1024]; -#define BANK_FILL_WORD(b) ((bank_word_t)(b)) - -/* four flash chips in x16 mode with 32Kword sectors and 64bit bus */ -typedef unsigned long long bank_word_t; -typedef bank_word_t bank_blk_t[32 * 1024]; -#define BANK_FILL_WORD(b) ( \ - ((bank_word_t)(b) << 48) \ - ((bank_word_t)(b) << 32) \ - ((bank_word_t)(b) << 16) \ - ((bank_word_t)(b) << 0) \ - ) - -#endif /* EXAMPLE */ - -/* the sizes of these two types should probably be the same */ -typedef bank_word_t *bank_addr_t; -typedef unsigned long bank_size_t; - -/* align bank addresses and sizes to bank word boundaries */ -#define BANK_ADDR_WORD_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \ - & ~(sizeof (bank_word_t) - 1))) -#define BANK_SIZE_WORD_ALIGN(s) (((bank_size_t)(s) + sizeof (bank_word_t) - 1) \ - & ~(sizeof (bank_word_t) - 1)) - -/* align bank addresses and sizes to bank block boundaries */ -#define BANK_ADDR_BLK_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \ - & ~(sizeof (bank_blk_t) - 1))) -#define BANK_SIZE_BLK_ALIGN(s) (((bank_size_t)(s) + sizeof (bank_blk_t) - 1) \ - & ~(sizeof (bank_blk_t) - 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))) - -/* 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), \ - sizeof (bank_word_t)) -#define BANK_ADDR_NEXT_BLK(a) BANK_ADDR_OFFSET(BANK_ADDR_BLK_ALIGN(a), \ - sizeof (bank_blk_t)) - -/* get bank address of register r given a bank base address a and block num b */ -#define BANK_ADDR_REG(a, b, r) BANK_ADDR_OFFSET(BANK_ADDR_OFFSET((a), \ - (bank_size_t)(b) * sizeof (bank_blk_t)), \ - (bank_size_t)(r) * sizeof (bank_word_t)) - -/* make a bank word value for each StrataFlash value */ - -/* Commands */ -#define BANK_CMD_RST BANK_FILL_WORD(ISF_CMD_RST) -#define BANK_CMD_RD_ID BANK_FILL_WORD(ISF_CMD_RD_ID) -#define BANK_CMD_RD_STAT BANK_FILL_WORD(ISF_CMD_RD_STAT) -#define BANK_CMD_CLR_STAT BANK_FILL_WORD(ISF_CMD_CLR_STAT) -#define BANK_CMD_ERASE1 BANK_FILL_WORD(ISF_CMD_ERASE1) -#define BANK_CMD_ERASE2 BANK_FILL_WORD(ISF_CMD_ERASE2) -#define BANK_CMD_PROG BANK_FILL_WORD(ISF_CMD_PROG) -#define BANK_CMD_LOCK BANK_FILL_WORD(ISF_CMD_LOCK) -#define BANK_CMD_SET_LOCK_BLK BANK_FILL_WORD(ISF_CMD_SET_LOCK_BLK) -#define BANK_CMD_SET_LOCK_MSTR BANK_FILL_WORD(ISF_CMD_SET_LOCK_MSTR) -#define BANK_CMD_CLR_LOCK_BLK BANK_FILL_WORD(ISF_CMD_CLR_LOCK_BLK) - -/* status register bits */ -#define BANK_STAT_DPS BANK_FILL_WORD(ISF_STAT_DPS) -#define BANK_STAT_PSS BANK_FILL_WORD(ISF_STAT_PSS) -#define BANK_STAT_VPPS BANK_FILL_WORD(ISF_STAT_VPPS) -#define BANK_STAT_PSLBS BANK_FILL_WORD(ISF_STAT_PSLBS) -#define BANK_STAT_ECLBS BANK_FILL_WORD(ISF_STAT_ECLBS) -#define BANK_STAT_ESS BANK_FILL_WORD(ISF_STAT_ESS) -#define BANK_STAT_RDY BANK_FILL_WORD(ISF_STAT_RDY) - -#define BANK_STAT_ERR BANK_FILL_WORD(ISF_STAT_ERR) - -/* make a bank register address for each StrataFlash register address */ - -#define BANK_REG_MAN_CODE(a) BANK_ADDR_REG((a), 0, ISF_REG_MAN_CODE) -#define BANK_REG_DEV_CODE(a) BANK_ADDR_REG((a), 0, ISF_REG_DEV_CODE) -#define BANK_REG_BLK_LCK(a, b) BANK_ADDR_REG((a), (b), ISF_REG_BLK_LCK) -#define BANK_REG_MST_LCK(a) BANK_ADDR_REG((a), 0, ISF_REG_MST_LCK) |