mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 17:41:08 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/*
|
|
* Copyright (C) 2013 Mike Dunn <mikedunn@newsguy.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __DOCG4_H__
|
|
#define __DOCG4_H__
|
|
|
|
#include <common.h>
|
|
#include <linux/mtd/nand.h>
|
|
|
|
extern int docg4_nand_init(struct mtd_info *mtd,
|
|
struct nand_chip *nand, int devnum);
|
|
|
|
/* SPL-related definitions */
|
|
#define DOCG4_IPL_LOAD_BLOCK_COUNT 2 /* number of blocks that IPL loads */
|
|
#define DOCG4_BLOCK_CAPACITY_SPL 0x10000 /* reliable mode; redundant pages */
|
|
|
|
#define DOC_IOSPACE_DATA 0x0800
|
|
|
|
/* register offsets */
|
|
#define DOC_CHIPID 0x1000
|
|
#define DOC_DEVICESELECT 0x100a
|
|
#define DOC_ASICMODE 0x100c
|
|
#define DOC_DATAEND 0x101e
|
|
#define DOC_NOP 0x103e
|
|
|
|
#define DOC_FLASHSEQUENCE 0x1032
|
|
#define DOC_FLASHCOMMAND 0x1034
|
|
#define DOC_FLASHADDRESS 0x1036
|
|
#define DOC_FLASHCONTROL 0x1038
|
|
#define DOC_ECCCONF0 0x1040
|
|
#define DOC_ECCCONF1 0x1042
|
|
#define DOC_HAMMINGPARITY 0x1046
|
|
#define DOC_BCH_SYNDROM(idx) (0x1048 + idx)
|
|
|
|
#define DOC_ASICMODECONFIRM 0x1072
|
|
#define DOC_CHIPID_INV 0x1074
|
|
#define DOC_POWERMODE 0x107c
|
|
|
|
#define DOCG4_MYSTERY_REG 0x1050
|
|
|
|
/* apparently used only to write oob bytes 6 and 7 */
|
|
#define DOCG4_OOB_6_7 0x1052
|
|
|
|
/* DOC_FLASHSEQUENCE register commands */
|
|
#define DOC_SEQ_RESET 0x00
|
|
#define DOCG4_SEQ_PAGE_READ 0x03
|
|
#define DOCG4_SEQ_FLUSH 0x29
|
|
#define DOCG4_SEQ_PAGEWRITE 0x16
|
|
#define DOCG4_SEQ_PAGEPROG 0x1e
|
|
#define DOCG4_SEQ_BLOCKERASE 0x24
|
|
|
|
/* DOC_FLASHCOMMAND register commands */
|
|
#define DOCG4_CMD_PAGE_READ 0x00
|
|
#define DOC_CMD_ERASECYCLE2 0xd0
|
|
#define DOCG4_CMD_FLUSH 0x70
|
|
#define DOCG4_CMD_READ2 0x30
|
|
#define DOC_CMD_PROG_BLOCK_ADDR 0x60
|
|
#define DOCG4_CMD_PAGEWRITE 0x80
|
|
#define DOC_CMD_PROG_CYCLE2 0x10
|
|
#define DOC_CMD_RESET 0xff
|
|
|
|
/* DOC_POWERMODE register bits */
|
|
#define DOC_POWERDOWN_READY 0x80
|
|
|
|
/* DOC_FLASHCONTROL register bits */
|
|
#define DOC_CTRL_CE 0x10
|
|
#define DOC_CTRL_UNKNOWN 0x40
|
|
#define DOC_CTRL_FLASHREADY 0x01
|
|
|
|
/* DOC_ECCCONF0 register bits */
|
|
#define DOC_ECCCONF0_READ_MODE 0x8000
|
|
#define DOC_ECCCONF0_UNKNOWN 0x2000
|
|
#define DOC_ECCCONF0_ECC_ENABLE 0x1000
|
|
#define DOC_ECCCONF0_DATA_BYTES_MASK 0x07ff
|
|
|
|
/* DOC_ECCCONF1 register bits */
|
|
#define DOC_ECCCONF1_BCH_SYNDROM_ERR 0x80
|
|
#define DOC_ECCCONF1_ECC_ENABLE 0x07
|
|
#define DOC_ECCCONF1_PAGE_IS_WRITTEN 0x20
|
|
|
|
/* DOC_ASICMODE register bits */
|
|
#define DOC_ASICMODE_RESET 0x00
|
|
#define DOC_ASICMODE_NORMAL 0x01
|
|
#define DOC_ASICMODE_POWERDOWN 0x02
|
|
#define DOC_ASICMODE_MDWREN 0x04
|
|
#define DOC_ASICMODE_BDETCT_RESET 0x08
|
|
#define DOC_ASICMODE_RSTIN_RESET 0x10
|
|
#define DOC_ASICMODE_RAM_WE 0x20
|
|
|
|
/* good status values read after read/write/erase operations */
|
|
#define DOCG4_PROGSTATUS_GOOD 0x51
|
|
#define DOCG4_PROGSTATUS_GOOD_2 0xe0
|
|
|
|
/*
|
|
* On read operations (page and oob-only), the first byte read from I/O reg is a
|
|
* status. On error, it reads 0x73; otherwise, it reads either 0x71 (first read
|
|
* after reset only) or 0x51, so bit 1 is presumed to be an error indicator.
|
|
*/
|
|
#define DOCG4_READ_ERROR 0x02 /* bit 1 indicates read error */
|
|
|
|
/* anatomy of the device */
|
|
#define DOCG4_CHIP_SIZE 0x8000000
|
|
#define DOCG4_PAGE_SIZE 0x200
|
|
#define DOCG4_PAGES_PER_BLOCK 0x200
|
|
#define DOCG4_BLOCK_SIZE (DOCG4_PAGES_PER_BLOCK * DOCG4_PAGE_SIZE)
|
|
#define DOCG4_NUMBLOCKS (DOCG4_CHIP_SIZE / DOCG4_BLOCK_SIZE)
|
|
#define DOCG4_OOB_SIZE 0x10
|
|
#define DOCG4_CHIP_SHIFT 27 /* log_2(DOCG4_CHIP_SIZE) */
|
|
#define DOCG4_PAGE_SHIFT 9 /* log_2(DOCG4_PAGE_SIZE) */
|
|
#define DOCG4_ERASE_SHIFT 18 /* log_2(DOCG4_BLOCK_SIZE) */
|
|
|
|
/* all but the last byte is included in ecc calculation */
|
|
#define DOCG4_BCH_SIZE (DOCG4_PAGE_SIZE + DOCG4_OOB_SIZE - 1)
|
|
|
|
#define DOCG4_USERDATA_LEN 520 /* 512 byte page plus 8 oob avail to user */
|
|
|
|
/* expected values from the ID registers */
|
|
#define DOCG4_IDREG1_VALUE 0x0400
|
|
#define DOCG4_IDREG2_VALUE 0xfbff
|
|
|
|
/* primitive polynomial used to build the Galois field used by hw ecc gen */
|
|
#define DOCG4_PRIMITIVE_POLY 0x4443
|
|
|
|
#define DOCG4_M 14 /* Galois field is of order 2^14 */
|
|
#define DOCG4_T 4 /* BCH alg corrects up to 4 bit errors */
|
|
|
|
#define DOCG4_FACTORY_BBT_PAGE 16 /* page where read-only factory bbt lives */
|
|
|
|
#endif /* __DOCG4_H__ */
|