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sf: Macronix additional chips supported

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new chips supported:-
MX25L1605D, MX25L3205D, MX25L6405D, MX25L12855E
out of which MX25L6405D and MX25L12855E tested on Kirkwood platforms

Modified the Macronix flash support to use 2 bytes of device id instead of 1
This was required to support MX25L12855E

Signed-off-by: Piyush Shah <spiyush@marvell.com>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Prafulla Wadaskar 2009-07-06 20:29:15 +05:30 committed by Mike Frysinger
parent dd54126715
commit 2efee52b09
1 changed files with 37 additions and 12 deletions
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49
drivers/mtd/spi/macronix.c
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@ -49,18 +49,10 @@
#define CMD_MX25XX_DP 0xb9 /* Deep Power-down */
#define CMD_MX25XX_RES 0xab /* Release from DP, and Read Signature */
#define MXIC_ID_MX2516 0x15
#define MXIC_ID_MX2520 0x12
#define MXIC_ID_MX2532 0x16
#define MXIC_ID_MX2540 0x13
#define MXIC_ID_MX2564 0x17
#define MXIC_ID_MX2580 0x14
#define MXIC_ID_MX25128 0x18
#define MACRONIX_SR_WIP (1 << 0) /* Write-in-Progress */
struct macronix_spi_flash_params {
u8 idcode1;
u16 idcode;
u16 page_size;
u16 pages_per_sector;
u16 sectors_per_block;
@ -81,13 +73,45 @@ static inline struct macronix_spi_flash *to_macronix_spi_flash(struct spi_flash
static const struct macronix_spi_flash_params macronix_spi_flash_table[] = {
{
.idcode1 = MXIC_ID_MX25128,
.idcode = 0x2015,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 32,
.name = "MX25L1605D",
},
{
.idcode = 0x2016,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 64,
.name = "MX25L3205D",
},
{
.idcode = 0x2017,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 128,
.name = "MX25L6405D",
},
{
.idcode = 0x2018,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12805D",
},
{
.idcode = 0x2618,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12855E",
},
};
static int macronix_wait_ready(struct spi_flash *flash, unsigned long timeout)
@ -277,15 +301,16 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
const struct macronix_spi_flash_params *params;
struct macronix_spi_flash *mcx;
unsigned int i;
u16 id = idcode[2] | idcode[1] << 8;
for (i = 0; i < ARRAY_SIZE(macronix_spi_flash_table); i++) {
params = &macronix_spi_flash_table[i];
if (params->idcode1 == idcode[2])
if (params->idcode == id)
break;
}
if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
debug("SF: Unsupported Macronix ID %02x\n", idcode[1]);
debug("SF: Unsupported Macronix ID %04x\n", id);
return NULL;
}