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authorWolfgang Denk <wd@denx.de>2012-09-01 12:22:31 +0200
committerWolfgang Denk <wd@denx.de>2012-09-01 12:22:31 +0200
commitc51261e8dbf9a02859a7f6008c973880316af069 (patch)
treea22530bb2da510f0671b72cbd9c18531b13fae68 /drivers/mtd/spi/stmicro.c
parente66443fdb5355e68cfdbbdd37248c4b7eb4968f5 (diff)
parent4a4cb4e11149158c9eabb1537a1eaee7372ce491 (diff)
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Merge branch 'sf' of git://git.denx.de/u-boot-blackfin
* 'sf' of git://git.denx.de/u-boot-blackfin: sf: spansion: Add support for S25FL256S sf: winbond: fix page_size sf: stmicro: add support for N25Q128A sf: stmicro: add support N25Q128 parts sf: stmicro: support JEDEC standard two-byte signature sf: winbond: add W25Q32 cmd_spi: remove superfluous semicolon Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'drivers/mtd/spi/stmicro.c')
-rw-r--r--drivers/mtd/spi/stmicro.c39
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/mtd/spi/stmicro.c b/drivers/mtd/spi/stmicro.c
index dbd1fc1..30b626a 100644
--- a/drivers/mtd/spi/stmicro.c
+++ b/drivers/mtd/spi/stmicro.c
@@ -37,7 +37,7 @@
#define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */
struct stmicro_spi_flash_params {
- u8 idcode1;
+ u16 id;
u16 pages_per_sector;
u16 nr_sectors;
const char *name;
@@ -45,55 +45,67 @@ struct stmicro_spi_flash_params {
static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = {
{
- .idcode1 = 0x11,
+ .id = 0x2011,
.pages_per_sector = 128,
.nr_sectors = 4,
.name = "M25P10",
},
{
- .idcode1 = 0x15,
+ .id = 0x2015,
.pages_per_sector = 256,
.nr_sectors = 32,
.name = "M25P16",
},
{
- .idcode1 = 0x12,
+ .id = 0x2012,
.pages_per_sector = 256,
.nr_sectors = 4,
.name = "M25P20",
},
{
- .idcode1 = 0x16,
+ .id = 0x2016,
.pages_per_sector = 256,
.nr_sectors = 64,
.name = "M25P32",
},
{
- .idcode1 = 0x13,
+ .id = 0x2013,
.pages_per_sector = 256,
.nr_sectors = 8,
.name = "M25P40",
},
{
- .idcode1 = 0x17,
+ .id = 0x2017,
.pages_per_sector = 256,
.nr_sectors = 128,
.name = "M25P64",
},
{
- .idcode1 = 0x14,
+ .id = 0x2014,
.pages_per_sector = 256,
.nr_sectors = 16,
.name = "M25P80",
},
{
- .idcode1 = 0x18,
+ .id = 0x2018,
.pages_per_sector = 1024,
.nr_sectors = 64,
.name = "M25P128",
},
{
- .idcode1 = 0x19,
+ .id = 0xba18,
+ .pages_per_sector = 256,
+ .nr_sectors = 256,
+ .name = "N25Q128",
+ },
+ {
+ .id = 0xbb18,
+ .pages_per_sector = 256,
+ .nr_sectors = 256,
+ .name = "N25Q128A",
+ },
+ {
+ .id = 0xba19,
.pages_per_sector = 256,
.nr_sectors = 512,
.name = "N25Q256",
@@ -105,6 +117,7 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
const struct stmicro_spi_flash_params *params;
struct spi_flash *flash;
unsigned int i;
+ u16 id;
if (idcode[0] == 0xff) {
i = spi_flash_cmd(spi, CMD_M25PXX_RES,
@@ -119,15 +132,17 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
return NULL;
}
+ id = ((idcode[1] << 8) | idcode[2]);
+
for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) {
params = &stmicro_spi_flash_table[i];
- if (params->idcode1 == idcode[2]) {
+ if (params->id == id) {
break;
}
}
if (i == ARRAY_SIZE(stmicro_spi_flash_table)) {
- debug("SF: Unsupported STMicro ID %02x\n", idcode[1]);
+ debug("SF: Unsupported STMicro ID %04x\n", id);
return NULL;
}