Hi Jagan,
On Tue, Dec 9, 2014 at 11:29 PM, Jagannadha Sutradharudu Teki jagannadh.teki@gmail.com wrote:
Enabled byte program support for sst flashes in sf.
Few controllers will only support BP, so this patch gives a rx transfer flag to set the BP so-that sf
Actually it is a tx transfer flag.
will operate on byte program transfer.
Signed-off-by: Jagannadha Sutradharudu Teki jagannadh.teki@gmail.com
drivers/mtd/spi/sf_internal.h | 5 ++++- drivers/mtd/spi/sf_params.c | 18 +++++++++--------- drivers/mtd/spi/sf_probe.c | 8 ++++++-- include/spi.h | 1 + 4 files changed, 20 insertions(+), 12 deletions(-)
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h index fb53cb0..785f7a9 100644 --- a/drivers/mtd/spi/sf_internal.h +++ b/drivers/mtd/spi/sf_internal.h @@ -40,10 +40,13 @@ enum { SECT_4K = 1 << 0, SECT_32K = 1 << 1, E_FSR = 1 << 2,
WR_QPP = 1 << 3,
SST_BP = 1 << 3, SST_WP = 1 << 4,WR_QPP = 1 << 5,};
+#define SST_WR (SST_BP | SST_WP)
#define SPI_FLASH_3B_ADDR_LEN 3 #define SPI_FLASH_CMD_LEN (1 + SPI_FLASH_3B_ADDR_LEN) #define SPI_FLASH_16MB_BOUN 0x1000000 diff --git a/drivers/mtd/spi/sf_params.c b/drivers/mtd/spi/sf_params.c index 0f1f837..30875b3 100644 --- a/drivers/mtd/spi/sf_params.c +++ b/drivers/mtd/spi/sf_params.c @@ -89,16 +89,16 @@ const struct spi_flash_params spi_flash_params_table[] = { {"N25Q1024A", 0x20bb21, 0x0, 64 * 1024, 2048, RD_FULL, WR_QPP | E_FSR | SECT_4K}, #endif #ifdef CONFIG_SPI_FLASH_SST /* SST */
{"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8, RD_NORM, SECT_4K | SST_WP},{"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16, RD_NORM, SECT_4K | SST_WP},{"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32, RD_NORM, SECT_4K | SST_WP},{"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64, RD_NORM, SECT_4K | SST_WP},
{"SST25VF040B", 0xbf258d, 0x0, 64 * 1024, 8, RD_NORM, SECT_4K | SST_WR},{"SST25VF080B", 0xbf258e, 0x0, 64 * 1024, 16, RD_NORM, SECT_4K | SST_WR},{"SST25VF016B", 0xbf2541, 0x0, 64 * 1024, 32, RD_NORM, SECT_4K | SST_WR},{"SST25VF032B", 0xbf254a, 0x0, 64 * 1024, 64, RD_NORM, SECT_4K | SST_WR}, {"SST25VF064C", 0xbf254b, 0x0, 64 * 1024, 128, RD_NORM, SECT_4K},
{"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1, RD_NORM, SECT_4K | SST_WP},{"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2, RD_NORM, SECT_4K | SST_WP},{"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4, RD_NORM, SECT_4K | SST_WP},{"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8, RD_NORM, SECT_4K | SST_WP},{"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16, RD_NORM, SECT_4K | SST_WP},
{"SST25WF512", 0xbf2501, 0x0, 64 * 1024, 1, RD_NORM, SECT_4K | SST_WR},{"SST25WF010", 0xbf2502, 0x0, 64 * 1024, 2, RD_NORM, SECT_4K | SST_WR},{"SST25WF020", 0xbf2503, 0x0, 64 * 1024, 4, RD_NORM, SECT_4K | SST_WR},{"SST25WF040", 0xbf2504, 0x0, 64 * 1024, 8, RD_NORM, SECT_4K | SST_WR},{"SST25WF080", 0xbf2505, 0x0, 64 * 1024, 16, RD_NORM, SECT_4K | SST_WR},#endif #ifdef CONFIG_SPI_FLASH_WINBOND /* WINBOND */ {"W25P80", 0xef2014, 0x0, 64 * 1024, 16, RD_NORM, 0}, diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 7cde4c0..ce9987f 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -136,8 +136,12 @@ static int spi_flash_validate_params(struct spi_slave *spi, u8 *idcode, #ifndef CONFIG_DM_SPI_FLASH flash->write = spi_flash_cmd_write_ops; #if defined(CONFIG_SPI_FLASH_SST)
if (params->flags & SST_WP)flash->write = sst_write_wp;
if (params->flags & SST_WR) {if (flash->spi->op_mode_tx & SPI_OPM_TX_BP)flash->write = sst_write_bp;elseflash->write = sst_write_wp;}#endif flash->erase = spi_flash_cmd_erase_ops; flash->read = spi_flash_cmd_read_ops; diff --git a/include/spi.h b/include/spi.h index 5b78271..ec17bd0 100644 --- a/include/spi.h +++ b/include/spi.h @@ -34,6 +34,7 @@
/* SPI TX operation modes */ #define SPI_OPM_TX_QPP (1 << 0) +#define SPI_OPM_TX_BP (1 << 1)
/* SPI RX operation modes */
#define SPI_OPM_RX_AS (1 << 0)
1.9.1
Tested-by: Bin Meng bmeng.cn@gmail.com
Regards, Bin