Commit d0e8c47c authored by Chen Gong's avatar Chen Gong Committed by David Woodhouse

[MTD] m25p80.c extended jedec support

- add extended device information support
- add s25sl128 device support
Signed-off-by: default avatarChen Gong <g.chen@freescale.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 75d0ee22
...@@ -469,6 +469,7 @@ struct flash_info { ...@@ -469,6 +469,7 @@ struct flash_info {
* then a two byte device id. * then a two byte device id.
*/ */
u32 jedec_id; u32 jedec_id;
u16 ext_id;
/* The size listed here is what works with OPCODE_SE, which isn't /* The size listed here is what works with OPCODE_SE, which isn't
* necessarily called a "sector" by the vendor. * necessarily called a "sector" by the vendor.
...@@ -488,57 +489,59 @@ struct flash_info { ...@@ -488,57 +489,59 @@ struct flash_info {
static struct flash_info __devinitdata m25p_data [] = { static struct flash_info __devinitdata m25p_data [] = {
/* Atmel -- some are (confusingly) marketed as "DataFlash" */ /* Atmel -- some are (confusingly) marketed as "DataFlash" */
{ "at25fs010", 0x1f6601, 32 * 1024, 4, SECT_4K, }, { "at25fs010", 0x1f6601, 0, 32 * 1024, 4, SECT_4K, },
{ "at25fs040", 0x1f6604, 64 * 1024, 8, SECT_4K, }, { "at25fs040", 0x1f6604, 0, 64 * 1024, 8, SECT_4K, },
{ "at25df041a", 0x1f4401, 64 * 1024, 8, SECT_4K, }, { "at25df041a", 0x1f4401, 0, 64 * 1024, 8, SECT_4K, },
{ "at25df641", 0x1f4800, 64 * 1024, 128, SECT_4K, }, { "at25df641", 0x1f4800, 0, 64 * 1024, 128, SECT_4K, },
{ "at26f004", 0x1f0400, 64 * 1024, 8, SECT_4K, }, { "at26f004", 0x1f0400, 0, 64 * 1024, 8, SECT_4K, },
{ "at26df081a", 0x1f4501, 64 * 1024, 16, SECT_4K, }, { "at26df081a", 0x1f4501, 0, 64 * 1024, 16, SECT_4K, },
{ "at26df161a", 0x1f4601, 64 * 1024, 32, SECT_4K, }, { "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, },
{ "at26df321", 0x1f4701, 64 * 1024, 64, SECT_4K, }, { "at26df321", 0x1f4701, 0, 64 * 1024, 64, SECT_4K, },
/* Spansion -- single (large) sector size only, at least /* Spansion -- single (large) sector size only, at least
* for the chips listed here (without boot sectors). * for the chips listed here (without boot sectors).
*/ */
{ "s25sl004a", 0x010212, 64 * 1024, 8, }, { "s25sl004a", 0x010212, 0, 64 * 1024, 8, },
{ "s25sl008a", 0x010213, 64 * 1024, 16, }, { "s25sl008a", 0x010213, 0, 64 * 1024, 16, },
{ "s25sl016a", 0x010214, 64 * 1024, 32, }, { "s25sl016a", 0x010214, 0, 64 * 1024, 32, },
{ "s25sl032a", 0x010215, 64 * 1024, 64, }, { "s25sl032a", 0x010215, 0, 64 * 1024, 64, },
{ "s25sl064a", 0x010216, 64 * 1024, 128, }, { "s25sl064a", 0x010216, 0, 64 * 1024, 128, },
{ "s25sl12800", 0x012018, 0x0300, 256 * 1024, 64, },
{ "s25sl12801", 0x012018, 0x0301, 64 * 1024, 256, },
/* SST -- large erase sizes are "overlays", "sectors" are 4K */ /* SST -- large erase sizes are "overlays", "sectors" are 4K */
{ "sst25vf040b", 0xbf258d, 64 * 1024, 8, SECT_4K, }, { "sst25vf040b", 0xbf258d, 0, 64 * 1024, 8, SECT_4K, },
{ "sst25vf080b", 0xbf258e, 64 * 1024, 16, SECT_4K, }, { "sst25vf080b", 0xbf258e, 0, 64 * 1024, 16, SECT_4K, },
{ "sst25vf016b", 0xbf2541, 64 * 1024, 32, SECT_4K, }, { "sst25vf016b", 0xbf2541, 0, 64 * 1024, 32, SECT_4K, },
{ "sst25vf032b", 0xbf254a, 64 * 1024, 64, SECT_4K, }, { "sst25vf032b", 0xbf254a, 0, 64 * 1024, 64, SECT_4K, },
/* ST Microelectronics -- newer production may have feature updates */ /* ST Microelectronics -- newer production may have feature updates */
{ "m25p05", 0x202010, 32 * 1024, 2, }, { "m25p05", 0x202010, 0, 32 * 1024, 2, },
{ "m25p10", 0x202011, 32 * 1024, 4, }, { "m25p10", 0x202011, 0, 32 * 1024, 4, },
{ "m25p20", 0x202012, 64 * 1024, 4, }, { "m25p20", 0x202012, 0, 64 * 1024, 4, },
{ "m25p40", 0x202013, 64 * 1024, 8, }, { "m25p40", 0x202013, 0, 64 * 1024, 8, },
{ "m25p80", 0, 64 * 1024, 16, }, { "m25p80", 0, 0, 64 * 1024, 16, },
{ "m25p16", 0x202015, 64 * 1024, 32, }, { "m25p16", 0x202015, 0, 64 * 1024, 32, },
{ "m25p32", 0x202016, 64 * 1024, 64, }, { "m25p32", 0x202016, 0, 64 * 1024, 64, },
{ "m25p64", 0x202017, 64 * 1024, 128, }, { "m25p64", 0x202017, 0, 64 * 1024, 128, },
{ "m25p128", 0x202018, 256 * 1024, 64, }, { "m25p128", 0x202018, 0, 256 * 1024, 64, },
{ "m45pe80", 0x204014, 64 * 1024, 16, }, { "m45pe80", 0x204014, 0, 64 * 1024, 16, },
{ "m45pe16", 0x204015, 64 * 1024, 32, }, { "m45pe16", 0x204015, 0, 64 * 1024, 32, },
{ "m25pe80", 0x208014, 64 * 1024, 16, }, { "m25pe80", 0x208014, 0, 64 * 1024, 16, },
{ "m25pe16", 0x208015, 64 * 1024, 32, SECT_4K, }, { "m25pe16", 0x208015, 0, 64 * 1024, 32, SECT_4K, },
/* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */ /* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
{ "w25x10", 0xef3011, 64 * 1024, 2, SECT_4K, }, { "w25x10", 0xef3011, 0, 64 * 1024, 2, SECT_4K, },
{ "w25x20", 0xef3012, 64 * 1024, 4, SECT_4K, }, { "w25x20", 0xef3012, 0, 64 * 1024, 4, SECT_4K, },
{ "w25x40", 0xef3013, 64 * 1024, 8, SECT_4K, }, { "w25x40", 0xef3013, 0, 64 * 1024, 8, SECT_4K, },
{ "w25x80", 0xef3014, 64 * 1024, 16, SECT_4K, }, { "w25x80", 0xef3014, 0, 64 * 1024, 16, SECT_4K, },
{ "w25x16", 0xef3015, 64 * 1024, 32, SECT_4K, }, { "w25x16", 0xef3015, 0, 64 * 1024, 32, SECT_4K, },
{ "w25x32", 0xef3016, 64 * 1024, 64, SECT_4K, }, { "w25x32", 0xef3016, 0, 64 * 1024, 64, SECT_4K, },
{ "w25x64", 0xef3017, 64 * 1024, 128, SECT_4K, }, { "w25x64", 0xef3017, 0, 64 * 1024, 128, SECT_4K, },
}; };
static struct flash_info *__devinit jedec_probe(struct spi_device *spi) static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
...@@ -547,6 +550,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) ...@@ -547,6 +550,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
u8 code = OPCODE_RDID; u8 code = OPCODE_RDID;
u8 id[3]; u8 id[3];
u32 jedec; u32 jedec;
u16 ext_jedec;
struct flash_info *info; struct flash_info *info;
/* JEDEC also defines an optional "extended device information" /* JEDEC also defines an optional "extended device information"
...@@ -565,10 +569,14 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) ...@@ -565,10 +569,14 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
jedec = jedec << 8; jedec = jedec << 8;
jedec |= id[2]; jedec |= id[2];
ext_jedec = id[3] << 8 | id[4];
for (tmp = 0, info = m25p_data; for (tmp = 0, info = m25p_data;
tmp < ARRAY_SIZE(m25p_data); tmp < ARRAY_SIZE(m25p_data);
tmp++, info++) { tmp++, info++) {
if (info->jedec_id == jedec) if (info->jedec_id == jedec)
if (ext_jedec != 0 && info->ext_id != ext_jedec)
continue;
return info; return info;
} }
dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec); dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment