diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 10:23:43 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 10:23:43 -0800 |
commit | 60d9aa758c00f20ade0cb1951f6a934f628dd2d7 (patch) | |
tree | e3bdfa4ec0d3f9a29a822810b8b9188c7d613cbd /drivers/mtd | |
parent | b2adf0cbec4cf0934c63f48f893e0cebde380d0c (diff) | |
parent | 2e16cfca6e17ae37ae21feca080a6f2eca9087dc (diff) |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (90 commits)
jffs2: Fix long-standing bug with symlink garbage collection.
mtd: OneNAND: Fix test of unsigned in onenand_otp_walk()
mtd: cfi_cmdset_0002, fix lock imbalance
Revert "mtd: move mxcnd_remove to .exit.text"
mtd: m25p80: add support for Macronix MX25L4005A
kmsg_dump: fix build for CONFIG_PRINTK=n
mtd: nandsim: add support for 4KiB pages
mtd: mtdoops: refactor as a kmsg_dumper
mtd: mtdoops: make record size configurable
mtd: mtdoops: limit the maximum mtd partition size
mtd: mtdoops: keep track of used/unused pages in an array
mtd: mtdoops: several minor cleanups
core: Add kernel message dumper to call on oopses and panics
mtd: add ARM pismo support
mtd: pxa3xx_nand: Fix PIO data transfer
mtd: nand: fix multi-chip suspend problem
mtd: add support for switching old SST chips into QRY mode
mtd: fix M29W800D dev_id and uaddr
mtd: don't use PF_MEMALLOC
mtd: Add bad block table overrides to Davinci NAND driver
...
Fixed up conflicts (mostly trivial) in
drivers/mtd/devices/m25p80.c
drivers/mtd/maps/pcmciamtd.c
drivers/mtd/nand/pxa3xx_nand.c
kernel/printk.c
Diffstat (limited to 'drivers/mtd')
41 files changed, 3040 insertions, 1595 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index e7563a9872d..5fbf29e1e64 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -43,15 +43,17 @@ // debugging, turns off buffer write mode if set to 1 #define FORCE_WORD_WRITE 0 -#define MANUFACTURER_INTEL 0x0089 +/* Intel chips */ #define I82802AB 0x00ad #define I82802AC 0x00ac #define PF38F4476 0x881c -#define MANUFACTURER_ST 0x0020 +/* STMicroelectronics chips */ #define M50LPW080 0x002F #define M50FLW080A 0x0080 #define M50FLW080B 0x0081 +/* Atmel chips */ #define AT49BV640D 0x02de +#define AT49BV640DT 0x02db static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); @@ -199,6 +201,16 @@ static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param) cfi->cfiq->BufWriteTimeoutMax = 0; } +static void fixup_at49bv640dx_lock(struct mtd_info *mtd, void *param) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + struct cfi_pri_intelext *cfip = cfi->cmdset_priv; + + cfip->FeatureSupport |= (1 << 5); + mtd->flags |= MTD_POWERUP_LOCK; +} + #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */ static void fixup_intel_strataflash(struct mtd_info *mtd, void* param) @@ -283,6 +295,8 @@ static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param) static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, + { CFI_MFR_ATMEL, AT49BV640D, fixup_at49bv640dx_lock, NULL }, + { CFI_MFR_ATMEL, AT49BV640DT, fixup_at49bv640dx_lock, NULL }, #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE { CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL }, #endif @@ -294,16 +308,16 @@ static struct cfi_fixup cfi_fixup_table[] = { #endif { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL }, { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL }, - { MANUFACTURER_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, + { CFI_MFR_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, { 0, 0, NULL, NULL } }; static struct cfi_fixup jedec_fixup_table[] = { - { MANUFACTURER_INTEL, I82802AB, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_INTEL, I82802AC, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_ST, M50LPW080, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_ST, M50FLW080A, fixup_use_fwh_lock, NULL, }, - { MANUFACTURER_ST, M50FLW080B, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_INTEL, I82802AB, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_INTEL, I82802AC, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_ST, M50LPW080, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_ST, M50FLW080A, fixup_use_fwh_lock, NULL, }, + { CFI_MFR_ST, M50FLW080B, fixup_use_fwh_lock, NULL, }, { 0, 0, NULL, NULL } }; static struct cfi_fixup fixup_table[] = { @@ -319,7 +333,7 @@ static struct cfi_fixup fixup_table[] = { static void cfi_fixup_major_minor(struct cfi_private *cfi, struct cfi_pri_intelext *extp) { - if (cfi->mfr == MANUFACTURER_INTEL && + if (cfi->mfr == CFI_MFR_INTEL && cfi->id == PF38F4476 && extp->MinorVersion == '3') extp->MinorVersion = '1'; } @@ -2235,7 +2249,7 @@ static int cfi_intelext_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, /* Some chips have OTP located in the _top_ partition only. For example: Intel 28F256L18T (T means top-parameter device) */ - if (cfi->mfr == MANUFACTURER_INTEL) { + if (cfi->mfr == CFI_MFR_INTEL) { switch (cfi->id) { case 0x880b: case 0x880c: @@ -2564,6 +2578,7 @@ static int cfi_intelext_reset(struct mtd_info *mtd) if (!ret) { map_write(map, CMD(0xff), chip->start); chip->state = FL_SHUTDOWN; + put_chip(map, chip, chip->start); } spin_unlock(chip->mutex); } diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 94bb61e1904..f3600e8d538 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -490,10 +490,6 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd) } #endif - /* FIXME: erase-suspend-program is broken. See - http://lists.infradead.org/pipermail/linux-mtd/2003-December/009001.html */ - printk(KERN_NOTICE "cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.\n"); - __module_get(THIS_MODULE); return mtd; @@ -573,7 +569,6 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr if (time_after(jiffies, timeo)) { printk(KERN_ERR "Waiting for chip to be ready timed out.\n"); - spin_unlock(chip->mutex); return -EIO; } spin_unlock(chip->mutex); @@ -589,15 +584,9 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr return 0; case FL_ERASING: - if (mode == FL_WRITING) /* FIXME: Erase-suspend-program appears broken. */ - goto sleep; - - if (!( mode == FL_READY - || mode == FL_POINT - || !cfip - || (mode == FL_WRITING && (cfip->EraseSuspend & 0x2)) - || (mode == FL_WRITING && (cfip->EraseSuspend & 0x1) - ))) + if (!cfip || !(cfip->EraseSuspend & (0x1|0x2)) || + !(mode == FL_READY || mode == FL_POINT || + (mode == FL_WRITING && (cfip->EraseSuspend & 0x2)))) goto sleep; /* We could check to see if we're trying to access the sector diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c index c5a84fda541..ca584d0380b 100755 --- a/drivers/mtd/chips/cfi_util.c +++ b/drivers/mtd/chips/cfi_util.c @@ -71,6 +71,13 @@ int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map, cfi_send_gen_cmd(0x98, 0x555, base, map, cfi, cfi->device_type, NULL); if (cfi_qry_present(map, base, cfi)) return 1; + /* some old SST chips, e.g. 39VF160x/39VF320x */ + cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0xAA, 0x5555, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0x55, 0x2AAA, base, map, cfi, cfi->device_type, NULL); + cfi_send_gen_cmd(0x98, 0x5555, base, map, cfi, cfi->device_type, NULL); + if (cfi_qry_present(map, base, cfi)) + return 1; /* QRY not found */ return 0; } diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c index 736a3be265f..1bec5e1ce6a 100644 --- a/drivers/mtd/chips/jedec_probe.c +++ b/drivers/mtd/chips/jedec_probe.c @@ -142,8 +142,8 @@ /* ST - www.st.com */ #define M29F800AB 0x0058 -#define M29W800DT 0x00D7 -#define M29W800DB 0x005B +#define M29W800DT 0x22D7 +#define M29W800DB 0x225B #define M29W400DT 0x00EE #define M29W400DB 0x00EF #define M29W160DT 0x22C4 @@ -1575,7 +1575,7 @@ static const struct amd_flash_info jedec_table[] = { .dev_id = M29W800DT, .name = "ST M29W800DT", .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8, - .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */ + .uaddr = MTD_UADDR_0x0AAA_0x0555, .dev_size = SIZE_1MiB, .cmd_set = P_ID_AMD_STD, .nr_regions = 4, @@ -1590,7 +1590,7 @@ static const struct amd_flash_info jedec_table[] = { .dev_id = M29W800DB, .name = "ST M29W800DB", .devtypes = CFI_DEVICETYPE_X16|CFI_DEVICETYPE_X8, - .uaddr = MTD_UADDR_0x5555_0x2AAA, /* ???? */ + .uaddr = MTD_UADDR_0x0AAA_0x0555, .dev_size = SIZE_1MiB, .cmd_set = P_ID_AMD_STD, .nr_regions = 4, diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 4c19269de91..f3f4768d6e1 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -22,6 +22,7 @@ #include <linux/mutex.h> #include <linux/math64.h> #include <linux/sched.h> +#include <linux/mod_devicetable.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> @@ -29,9 +30,6 @@ #include <linux/spi/spi.h> #include <linux/spi/flash.h> - -#define FLASH_PAGESIZE 256 - /* Flash opcodes. */ #define OPCODE_WREN 0x06 /* Write enable */ #define OPCODE_RDSR 0x05 /* Read status register */ @@ -61,7 +59,7 @@ /* Define max times to check status register before we give up. */ #define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */ -#define CMD_SIZE 4 +#define MAX_CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ #define OPCODE_READ OPCODE_FAST_READ @@ -78,8 +76,10 @@ struct m25p { struct mutex lock; struct mtd_info mtd; unsigned partitioned:1; + u16 page_size; + u16 addr_width; u8 erase_opcode; - u8 command[CMD_SIZE + FAST_READ_DUMMY_BYTE]; + u8 *command; }; static inline struct m25p *mtd_to_m25p(struct mtd_info *mtd) @@ -198,6 +198,19 @@ static int erase_chip(struct m25p *flash) return 0; } +static void m25p_addr2cmd(struct m25p *flash, unsigned int addr, u8 *cmd) +{ + /* opcode is in cmd[0] */ + cmd[1] = addr >> (flash->addr_width * 8 - 8); + cmd[2] = addr >> (flash->addr_width * 8 - 16); + cmd[3] = addr >> (flash->addr_width * 8 - 24); +} + +static int m25p_cmdsz(struct m25p *flash) +{ + return 1 + flash->addr_width; +} + /* * Erase one sector of flash memory at offset ``offset'' which is any * address within the sector which should be erased. @@ -219,11 +232,9 @@ static int erase_sector(struct m25p *flash, u32 offset) /* Set up command buffer. */ flash->command[0] = flash->erase_opcode; - flash->command[1] = offset >> 16; - flash->command[2] = offset >> 8; - flash->command[3] = offset; + m25p_addr2cmd(flash, offset, flash->command); - spi_write(flash->spi, flash->command, CMD_SIZE); + spi_write(flash->spi, flash->command, m25p_cmdsz(flash)); return 0; } @@ -325,7 +336,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, * Should add 1 byte DUMMY_BYTE. */ t[0].tx_buf = flash->command; - t[0].len = CMD_SIZE + FAST_READ_DUMMY_BYTE; + t[0].len = m25p_cmdsz(flash) + FAST_READ_DUMMY_BYTE; spi_message_add_tail(&t[0], &m); t[1].rx_buf = buf; @@ -352,13 +363,11 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, /* Set up the write data buffer. */ flash->command[0] = OPCODE_READ; - flash->command[1] = from >> 16; - flash->command[2] = from >> 8; - flash->command[3] = from; + m25p_addr2cmd(flash, from, flash->command); spi_sync(flash->spi, &m); - *retlen = m.actual_length - CMD_SIZE - FAST_READ_DUMMY_BYTE; + *retlen = m.actual_length - m25p_cmdsz(flash) - FAST_READ_DUMMY_BYTE; mutex_unlock(&flash->lock); @@ -396,7 +405,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len, memset(t, 0, (sizeof t)); t[0].tx_buf = flash->command; - t[0].len = CMD_SIZE; + t[0].len = m25p_cmdsz(flash); spi_message_add_tail(&t[0], &m); t[1].tx_buf = buf; @@ -414,41 +423,36 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len, /* Set up the opcode in the write buffer. */ flash->command[0] = OPCODE_PP; - flash->command[1] = to >> 16; - flash->command[2] = to >> 8; - flash->command[3] = to; + m25p_addr2cmd(flash, to, flash->command); - /* what page do we start with? */ - page_offset = to % FLASH_PAGESIZE; + page_offset = to & (flash->page_size - 1); /* do all the bytes fit onto one page? */ - if (page_offset + len <= FLASH_PAGESIZE) { + if (page_offset + len <= flash->page_size) { t[1].len = len; spi_sync(flash->spi, &m); - *retlen = m.actual_length - CMD_SIZE; + *retlen = m.actual_length - m25p_cmdsz(flash); } else { u32 i; /* the size of data remaining on the first page */ - page_size = FLASH_PAGESIZE - page_offset; + page_size = flash->page_size - page_offset; t[1].len = page_size; spi_sync(flash->spi, &m); - *retlen = m.actual_length - CMD_SIZE; + *retlen = m.actual_length - m25p_cmdsz(flash); - /* write everything in PAGESIZE chunks */ + /* write everything in flash->page_size chunks */ for (i = page_size; i < len; i += page_size) { page_size = len - i; - if (page_size > FLASH_PAGESIZE) - page_size = FLASH_PAGESIZE; + if (page_size > flash->page_size) + page_size = flash->page_size; /* write the next page to flash */ - flash->command[1] = (to + i) >> 16; - flash->command[2] = (to + i) >> 8; - flash->command[3] = (to + i); + m25p_addr2cmd(flash, to + i, flash->command); t[1].tx_buf = buf + i; t[1].len = page_size; @@ -460,7 +464,7 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len, spi_sync(flash->spi, &m); if (retlen) - *retlen += m.actual_length - CMD_SIZE; + *retlen += m.actual_length - m25p_cmdsz(flash); } } @@ -492,7 +496,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, memset(t, 0, (sizeof t)); t[0].tx_buf = flash->command; - t[0].len = CMD_SIZE; + t[0].len = m25p_cmdsz(flash); spi_message_add_tail(&t[0], &m); t[1].tx_buf = buf; @@ -511,9 +515,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, /* Start write from odd address. */ if (actual) { flash->command[0] = OPCODE_BP; - flash->command[1] = to >> 16; - flash->command[2] = to >> 8; - flash->command[3] = to; + m25p_addr2cmd(flash, to, flash->command); /* write one byte. */ t[1].len = 1; @@ -521,17 +523,15 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, ret = wait_till_ready(flash); if (ret) goto time_out; - *retlen += m.actual_length - CMD_SIZE; + *retlen += m.actual_length - m25p_cmdsz(flash); } to += actual; flash->command[0] = OPCODE_AAI_WP; - flash->command[1] = to >> 16; - flash->command[2] = to >> 8; - flash->command[3] = to; + m25p_addr2cmd(flash, to, flash->command); /* Write out most of the data here. */ - cmd_sz = CMD_SIZE; + cmd_sz = m25p_cmdsz(flash); for (; actual < len - 1; actual += 2) { t[0].len = cmd_sz; /* write two bytes. */ @@ -555,10 +555,8 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, if (actual != len) { write_enable(flash); flash->command[0] = OPCODE_BP; - flash->command[1] = to >> 16; - flash->command[2] = to >> 8; - flash->command[3] = to; - t[0].len = CMD_SIZE; + m25p_addr2cmd(flash, to, flash->command); + t[0].len = m25p_cmdsz(flash); t[1].len = 1; t[1].tx_buf = buf + actual; @@ -566,7 +564,7 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, ret = wait_till_ready(flash); if (ret) goto time_out; - *retlen += m.actual_length - CMD_SIZE; + *retlen += m.actual_length - m25p_cmdsz(flash); write_disable(flash); } @@ -582,8 +580,6 @@ time_out: */ struct flash_info { - char *name; - /* JEDEC id zero means "no ID" (most older chips); otherwise it has * a high byte of zero plus three data bytes: the manufacturer id, * then a two byte device id. @@ -597,87 +593,119 @@ struct flash_info { unsigned sector_size; u16 n_sectors; + u16 page_size; + u16 addr_width; + u16 flags; #define SECT_4K 0x01 /* OPCODE_BE_4K works uniformly */ +#define M25P_NO_ERASE 0x02 /* No erase command needed */ }; +#define INFO(_jedec_id, _ext_id, _sector_size, _n_sectors, _flags) \ + ((kernel_ulong_t)&(struct flash_info) { \ + .jedec_id = (_jedec_id), \ + .ext_id = (_ext_id), \ + .sector_size = (_sector_size), \ + .n_sectors = (_n_sectors), \ + .page_size = 256, \ + .addr_width = 3, \ + .flags = (_flags), \ + }) + +#define CAT25_INFO(_sector_size, _n_sectors, _page_size, _addr_width) \ + ((kernel_ulong_t)&(struct flash_info) { \ + .sector_size = (_sector_size), \ + .n_sectors = (_n_sectors), \ + .page_size = (_page_size), \ + .addr_width = (_addr_width), \ + .flags = M25P_NO_ERASE, \ + }) /* NOTE: double check command sets and memory organization when you add * more flash chips. This current list focusses on newer chips, which * have been converging on command sets which including JEDEC ID. */ -static struct flash_info __devinitdata m25p_data [] = { - +static const struct spi_device_id m25p_ids[] = { /* Atmel -- some are (confusingly) marketed as "DataFlash" */ - { "at25fs010", 0x1f6601, 0, 32 * 1024, 4, SECT_4K, }, - { "at25fs040", 0x1f6604, 0, 64 * 1024, 8, SECT_4K, }, + { "at25fs010", INFO(0x1f6601, 0, 32 * 1024, 4, SECT_4K) }, + { "at25fs040", INFO(0x1f6604, 0, 64 * 1024, 8, SECT_4K) }, - { "at25df041a", 0x1f4401, 0, 64 * 1024, 8, SECT_4K, }, - { "at25df641", 0x1f4800, 0, 64 * 1024, 128, SECT_4K, }, + { "at25df041a", INFO(0x1f4401, 0, 64 * 1024, 8, SECT_4K) }, + { "at25df641", INFO(0x1f4800, 0, 64 * 1024, 128, SECT_4K) }, - { "at26f004", 0x1f0400, 0, 64 * 1024, 8, SECT_4K, }, - { "at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K, }, - { "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, }, - { "at26df321", 0x1f4701, 0, 64 * 1024, 64, SECT_4K, }, + { "at26f004", INFO(0x1f0400, 0, 64 * 1024, 8, SECT_4K) }, + { "at26df081a", INFO(0x1f4501, 0, 64 * 1024, 16, SECT_4K) }, + { "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) }, + { "at26df321", INFO(0x1f4701, 0, 64 * 1024, 64, SECT_4K) }, /* Macronix */ - { "mx25l3205d", 0xc22016, 0, 64 * 1024, 64, }, - { "mx25l6405d", 0xc22017, 0, 64 * 1024, 128, }, - { "mx25l12805d", 0xc22018, 0, 64 * 1024, 256, }, - { "mx25l12855e", 0xc22618, 0, 64 * 1024, 256, }, + { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) }, + { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, 0) }, + { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, 0) }, + { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, + { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, /* Spansion -- single (large) sector size only, at least * for the chips listed here (without boot sectors). */ - { "s25sl004a", 0x010212, 0, 64 * 1024, 8, }, - { "s25sl008a", 0x010213, 0, 64 * 1024, 16, }, - { "s25sl016a", 0x010214, 0, 64 * 1024, 32, }, - { "s25sl032a", 0x010215, 0, 64 * 1024, 64, }, - { "s25sl064a", 0x010216, 0, 64 * 1024, 128, }, - { "s25sl12800", 0x012018, 0x0300, 256 * 1024, 64, }, - { "s25sl12801", 0x012018, 0x0301, 64 * 1024, 256, }, - { "s25fl129p0", 0x012018, 0x4d00, 256 * 1024, 64, }, - { "s25fl129p1", 0x012018, 0x4d01, 64 * 1024, 256, }, + { "s25sl004a", INFO(0x010212, 0, 64 * 1024, 8, 0) }, + { "s25sl008a", INFO(0x010213, 0, 64 * 1024, 16, 0) }, + { "s25sl016a", INFO(0x010214, 0, 64 * 1024, 32, 0) }, + { "s25sl032a", INFO(0x010215, 0, 64 * 1024, 64, 0) }, + { "s25sl064a", INFO(0x010216, 0, 64 * 1024, 128, 0) }, + { "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024, 64, 0) }, + { "s25sl12801", INFO(0x012018, 0x0301, 64 * 1024, 256, 0) }, + { "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024, 64, 0) }, + { "s25fl129p1", INFO(0x012018, 0x4d01, 64 * 1024, 256, 0) }, /* SST -- large erase sizes are "overlays", "sectors" are 4K */ - { "sst25vf040b", 0xbf258d, 0, 64 * 1024, 8, SECT_4K, }, - { "sst25vf080b", 0xbf258e, 0, 64 * 1024, 16, SECT_4K, }, - { "sst25vf016b", 0xbf2541, 0, 64 * 1024, 32, SECT_4K, }, - { "sst25vf032b", 0xbf254a, 0, 64 * 1024, 64, SECT_4K, }, - { "sst25wf512", 0xbf2501, 0, 64 * 1024, 1, SECT_4K, }, - { "sst25wf010", 0xbf2502, 0, 64 * 1024, 2, SECT_4K, }, - { "sst25wf020", 0xbf2503, 0, 64 * 1024, 4, SECT_4K, }, - { "sst25wf040", 0xbf2504, 0, 64 * 1024, 8, SECT_4K, }, + { "sst25vf040b", INFO(0xbf258d, 0, 64 * 1024, 8, SECT_4K) }, + { "sst25vf080b", INFO(0xbf258e, 0, 64 * 1024, 16, SECT_4K) }, + { "sst25vf016b", INFO(0xbf2541, 0, 64 * 1024, 32, SECT_4K) }, + { "sst25vf032b", INFO(0xbf254a, 0, 64 * 1024, 64, SECT_4K) }, + { "sst25wf512", INFO(0xbf2501, 0, 64 * 1024, 1, SECT_4K) }, + { "sst25wf010", INFO(0xbf2502, 0, 64 * 1024, 2, SECT_4K) }, + { "sst25wf020", INFO(0xbf2503, 0, 64 * 1024, 4, SECT_4K) }, + { "sst25wf040", INFO(0xbf2504, 0, 64 * 1024, 8, SECT_4K) }, /* ST Microelectronics -- newer production may have feature updates */ - { "m25p05", 0x202010, 0, 32 * 1024, 2, }, - { "m25p10", 0x202011, 0, 32 * 1024, 4, }, - { "m25p20", 0x202012, 0, 64 * 1024, 4, }, - { "m25p40", 0x202013, 0, 64 * 1024, 8, }, - { "m25p80", 0, 0, 64 * 1024, 16, }, - { "m25p16", 0x202015, 0, 64 * 1024, 32, }, - { "m25p32", 0x202016, 0, 64 * 1024, 64, }, - { "m25p64", 0x202017, 0, 64 * 1024, 128, }, - { "m25p128", 0x202018, 0, 256 * 1024, 64, }, - - { "m45pe10", 0x204011, 0, 64 * 1024, 2, }, - { "m45pe80", 0x204014, 0, 64 * 1024, 16, }, - { "m45pe16", 0x204015, 0, 64 * 1024, 32, }, - - { "m25pe80", 0x208014, 0, 64 * 1024, 16, }, - { "m25pe16", 0x208015, 0, 64 * 1024, 32, SECT_4K, }, + { "m25p05", INFO(0x202010, 0, 32 * 1024, 2, 0) }, + { "m25p10", INFO(0x202011, 0, 32 * 1024, 4, 0) }, + { "m25p20", INFO(0x202012, 0, 64 * 1024, 4, 0) }, + { "m25p40", INFO(0x202013, 0, 64 * 1024, 8, 0) }, + { "m25p80", INFO(0x202014, 0, 64 * 1024, 16, 0) }, + { "m25p16", INFO(0x202015, 0, 64 * 1024, 32, 0) }, + { "m25p32", INFO(0x202016, 0, 64 * 1024, 64, 0) }, + { "m25p64", INFO(0x202017, 0, 64 * 1024, 128, 0) }, + { "m25p128", INFO(0x202018, 0, 256 * 1024, 64, 0) }, + + { "m45pe10", INFO(0x204011, 0, 64 * 1024, 2, 0) }, + { "m45pe80", INFO(0x204014, 0, 64 * 1024, 16, 0) }, + { "m45pe16", INFO(0x204015, 0, 64 * 1024, 32, 0) }, + + { "m25pe80", INFO(0x208014, 0, 64 * 1024, 16, 0) }, + { "m25pe16", INFO(0x208015, 0, 64 * 1024, 32, SECT_4K) }, /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */ - { "w25x10", 0xef3011, 0, 64 * 1024, 2, SECT_4K, }, - { "w25x20", 0xef3012, 0, 64 * 1024, 4, SECT_4K, }, - { "w25x40", 0xef3013, 0, 64 * 1024, 8, SECT_4K, }, - { "w25x80", 0xef3014, 0, 64 * 1024, 16, SECT_4K, }, - { "w25x16", 0xef3015, 0, 64 * 1024, 32, SECT_4K, }, - { "w25x32", 0xef3016, 0, 64 * 1024, 64, SECT_4K, }, - { "w25x64", 0xef3017, 0, 64 * 1024, 128, SECT_4K, }, + { "w25x10", INFO(0xef3011, 0, 64 * 1024, 2, SECT_4K) }, + { "w25x20", INFO(0xef3012, 0, 64 * 1024, 4, SECT_4K) }, + { "w25x40", INFO(0xef3013, 0, 64 * 1024, 8, SECT_4K) }, + { "w25x80", INFO(0xef3014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25x16", INFO(0xef3015, 0, 64 * 1024, 32, SECT_4K) }, + { "w25x32", INFO(0xef3016, 0, 64 * 1024, 64, SECT_4K) }, + { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, + + /* Catalyst / On Semiconductor -- non-JEDEC */ + { "cat25c11", CAT25_INFO( 16, 8, 16, 1) }, + { "cat25c03", CAT25_INFO( 32, 8, 16, 2) }, + { "cat25c09", CAT25_INFO( 128, 8, 32, 2) }, + { "cat25c17", CAT25_INFO( 256, 8, 32, 2) }, + { "cat25128", CAT25_INFO(2048, 8, 64, 2) }, + { }, }; +MODULE_DEVICE_TABLE(spi, m25p_ids); -static struct flash_info *__devinit jedec_probe(struct spi_device *spi) +static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) { int tmp; u8 code = OPCODE_RDID; @@ -702,18 +730,24 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) jedec = jedec << 8; jedec |= id[2]; + /* + * Some chips (like Numonyx M25P80) have JEDEC and non-JEDEC variants, + * which depend on technology process. Officially RDID command doesn't + * exist for non-JEDEC chips, but for compatibility they return ID 0. + */ + if (jedec == 0) + return NULL; + ext_jedec = id[3] << 8 | id[4]; - for (tmp = 0, info = m25p_data; - tmp < ARRAY_SIZE(m25p_data); - tmp++, info++) { + for (tmp = 0; tmp < ARRAY_SIZE(m25p_ids) - 1; tmp++) { + info = (void *)m25p_ids[tmp].driver_data; if (info->jedec_id == jedec) { if (info->ext_id != 0 && info->ext_id != ext_jedec) continue; - return info; + return &m25p_ids[tmp]; } } - dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec); return NULL; } @@ -725,6 +759,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) */ static int __devinit m25p_probe(struct spi_device *spi) { + const struct spi_device_id *id = spi_get_device_id(spi); struct flash_platform_data *data; struct m25p *flash; struct flash_info *info; @@ -737,50 +772,65 @@ static int __devinit m25p_probe(struct spi_device *spi) */ data = spi->dev.platform_data; if (data && data->type) { - for (i = 0, info = m25p_data; - i < ARRAY_SIZE(m25p_data); - i++, info++) { - if (strcmp(data->type, info->name) == 0) - break; - } + const struct spi_device_id *plat_id; - /* unrecognized chip? */ - if (i == ARRAY_SIZE(m25p_data)) { - DEBUG(MTD_DEBUG_LEVEL0, "%s: unrecognized id %s\n", - |