[U-Boot] [PATCH v2] sf: Macronix additional chips supported
Prafulla Wadaskar
prafulla at marvell.com
Fri Jul 3 19:28:01 CEST 2009
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
Contributor: Piyush Shah <spiyush at marvell.com>
Signed-off-by: Prafulla Wadaskar <prafulla at marvell.com>
---
Change log:-
v2: white space removed for clean patch apply
build error fixed
tested for new added chip MX25L6405D
drivers/mtd/spi/macronix.c | 61 ++++++++++++++++++++++++++++++++++++-------
1 files changed, 51 insertions(+), 10 deletions(-)
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c
index 9464c84..d165277 100644
--- a/drivers/mtd/spi/macronix.c
+++ b/drivers/mtd/spi/macronix.c
@@ -49,17 +49,21 @@
#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 MXIC_ID_MD_MX251605D 0x15 /* MD : Memory Density */
+#define MXIC_ID_MT_MX251605D 0x20 /* MT : Memory Type */
+#define MXIC_ID_MD_MX253205D 0x16 /* MD : Memory Density */
+#define MXIC_ID_MT_MX253205D 0x20 /* MT : Memory Type */
+#define MXIC_ID_MD_MX256405D 0x17 /* MD : Memory Density */
+#define MXIC_ID_MT_MX256405D 0x20 /* MT : Memory Type */
+#define MXIC_ID_MD_MX2512805D 0x18 /* MD : Memory Density */
+#define MXIC_ID_MT_MX2512805D 0x20 /* MT : Memory Type */
+#define MXIC_ID_MD_MX2512855E 0x18 /* MD : Memory Density */
+#define MXIC_ID_MT_MX2512855E 0x26 /* MT : Memory Type */
#define MACRONIX_SR_WIP (1 << 0) /* Write-in-Progress */
struct macronix_spi_flash_params {
+ u8 idcode0;
u8 idcode1;
u16 page_size;
u16 pages_per_sector;
@@ -81,13 +85,50 @@ 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,
+ .idcode0 = MXIC_ID_MT_MX251605D,
+ .idcode1 = MXIC_ID_MD_MX251605D,
+ .page_size = 256,
+ .pages_per_sector = 16,
+ .sectors_per_block = 16,
+ .nr_blocks = 32,
+ .name = "MX25L1605D",
+ },
+ {
+ .idcode0 = MXIC_ID_MT_MX253205D,
+ .idcode1 = MXIC_ID_MD_MX253205D,
+ .page_size = 256,
+ .pages_per_sector = 16,
+ .sectors_per_block = 16,
+ .nr_blocks = 64,
+ .name = "MX25L3205D",
+ },
+ {
+ .idcode0 = MXIC_ID_MT_MX256405D,
+ .idcode1 = MXIC_ID_MD_MX256405D,
+ .page_size = 256,
+ .pages_per_sector = 16,
+ .sectors_per_block = 16,
+ .nr_blocks = 128,
+ .name = "MX25L6405D",
+ },
+ {
+ .idcode0 = MXIC_ID_MT_MX2512805D,
+ .idcode1 = MXIC_ID_MD_MX2512805D,
.page_size = 256,
.pages_per_sector = 16,
.sectors_per_block = 16,
.nr_blocks = 256,
.name = "MX25L12805D",
},
+ {
+ .idcode0 = MXIC_ID_MT_MX2512855E,
+ .idcode1 = MXIC_ID_MD_MX2512855E,
+ .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)
@@ -280,12 +321,12 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
for (i = 0; i < ARRAY_SIZE(macronix_spi_flash_table); i++) {
params = ¯onix_spi_flash_table[i];
- if (params->idcode1 == idcode[2])
+ if (params->idcode1 == idcode[2] && params->idcode0 == idcode[1])
break;
}
if (i == ARRAY_SIZE(macronix_spi_flash_table)) {
- debug("SF: Unsupported Macronix ID %02x\n", idcode[1]);
+ debug("SF: Unsupported Macronix ID %02x%02x\n", idcode[1],idcode[2]);
return NULL;
}
--
1.5.3.3
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