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sf: add support for GD25Q256 

Add support for GD25Q256, a 32MiB SPI Nor
flash from Gigadevice.

Change-Id: Id28c00189058971580406270e708a126c94c0461
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
This commit is contained in:
Andy Yan 2017-08-08 09:40:25 +08:00 committed by Kever Yang
parent b49168b2b6
commit 6f775b34e5
3 changed files with 5 additions and 2 deletions
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1
drivers/mtd/spi/sf_internal.h
View File

@ -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

5
drivers/mtd/spi/spi_flash.c
View File

@ -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)

1
drivers/mtd/spi/spi_flash_ids.c
View File

@ -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) },