Add support for GD25Q256, a 32MiB SPI Nor
flash from Gigadevice.
Signed-off-by: Andy Yan <andy....@rock-chips.com>
---
Changes in v2:
- remove the include of function read_cr
drivers/mtd/spi/sf_internal.h | 1 +
drivers/mtd/spi/spi_flash.c | 5 +++--
drivers/mtd/spi/spi_flash_ids.c | 1 +
3 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 839cdbe..357b3bc 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -37,6 +37,7 @@ enum spi_nor_option_flags {
#define SPI_FLASH_CFI_MFR_SST 0xbf
#define SPI_FLASH_CFI_MFR_WINBOND 0xef
#define SPI_FLASH_CFI_MFR_ATMEL 0x1f
+#define SPI_FLASH_CIF_MFR_GIGADEVICE 0xc8
/* Erase commands */
#define CMD_ERASE_4K 0x20
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 0034a28..a57e171 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -807,7 +807,7 @@ int stm_unlock(struct spi_flash *flash, u32 ofs, size_t len)
#endif
-#ifdef CONFIG_SPI_FLASH_MACRONIX
+#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_GIGADEVICE)
static int macronix_quad_enable(struct spi_flash *flash)
{
u8 qeb_status;
@@ -892,8 +892,9 @@ static int set_quad_mode(struct spi_flash *flash,
const struct spi_flash_info *info)
{
switch (JEDEC_MFR(info)) {
-#ifdef CONFIG_SPI_FLASH_MACRONIX
+#if defined(CONFIG_SPI_FLASH_MACRONIX) || defined(CONFIG_SPI_FLASH_GIGADEVICE)
case SPI_FLASH_CFI_MFR_MACRONIX:
+ case SPI_FLASH_CIF_MFR_GIGADEVICE:
return macronix_quad_enable(flash);
#endif
#if defined(CONFIG_SPI_FLASH_SPANSION) || defined(CONFIG_SPI_FLASH_WINBOND)
diff --git a/drivers/mtd/spi/spi_flash_ids.c b/drivers/mtd/spi/spi_flash_ids.c
index edca94e..46d5e67 100644
--- a/drivers/mtd/spi/spi_flash_ids.c
+++ b/drivers/mtd/spi/spi_flash_ids.c
@@ -65,6 +65,7 @@ const struct spi_flash_info spi_flash_ids[] = {
#ifdef CONFIG_SPI_FLASH_GIGADEVICE /* GIGADEVICE */
{"gd25q64b", INFO(0xc84017, 0x0, 64 * 1024, 128, SECT_4K) },
{"gd25lq32", INFO(0xc86016, 0x0, 64 * 1024, 64, SECT_4K) },
+ {"GD25Q256", INFO(0xc84019, 0x0, 64 * 1024, 512, RD_FULL |
WR_QPP | SECT_4K)},
#endif
#ifdef CONFIG_SPI_FLASH_ISSI /* ISSI */
{"is25lp032", INFO(0x9d6016, 0x0, 64 * 1024, 64, 0) },
--
2.7.4
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