From 04728086088e2dcc37ae0512a521246b21389838 Mon Sep 17 00:00:00 2001 From: Siva Durga Prasad Paladugu Date: Fri, 25 Apr 2014 15:47:13 +0200 Subject: sf: params: Added support for Spansion S25FL512S_512K Added support for Spansion chip "S25FL512S_512K". Signed-off-by: Siva Durga Prasad Paladugu Signed-off-by: Michal Simek Reviewed-by: Jagannadha Sutradharudu Teki --- drivers/mtd/spi/sf_params.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/mtd') diff --git a/drivers/mtd/spi/sf_params.c b/drivers/mtd/spi/sf_params.c index eb372b7..ac886fd 100644 --- a/drivers/mtd/spi/sf_params.c +++ b/drivers/mtd/spi/sf_params.c @@ -60,6 +60,7 @@ const struct spi_flash_params spi_flash_params_table[] = { {"S25FL256S_64K", 0x010219, 0x4d01, 64 * 1024, 512, RD_FULL, WR_QPP}, {"S25FL512S_256K", 0x010220, 0x4d00, 256 * 1024, 256, RD_FULL, WR_QPP}, {"S25FL512S_64K", 0x010220, 0x4d01, 64 * 1024, 1024, RD_FULL, WR_QPP}, + {"S25FL512S_512K", 0x010220, 0x4f00, 256 * 1024, 256, RD_FULL, WR_QPP}, #endif #ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */ {"M25P10", 0x202011, 0x0, 32 * 1024, 4, 0, 0}, -- cgit v1.1 From 1f436a6ddf7eb7f2da1c8df6c13100429baf844a Mon Sep 17 00:00:00 2001 From: "Poddar, Sourav" Date: Wed, 23 Apr 2014 18:57:03 +0530 Subject: sf: probe: Fix quad bit set path Currently, flash quad bit is set in "spi_flash_validate_params" and later at the end in the same api, we write 0 to status register for few flashes, thereby overriding the quad bit set. This fix moves the quad bit setting outside this api in "spi_flash_probe_slave" Signed-off-by: Sourav Poddar Reviewed-by: Jagannadha Sutradharudu Teki --- drivers/mtd/spi/sf_probe.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'drivers/mtd') diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 0a46fe3..36ae5e0 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -197,16 +197,6 @@ static struct spi_flash *spi_flash_validate_params(struct spi_slave *spi, /* Go for default supported write cmd */ flash->write_cmd = CMD_PAGE_PROGRAM; - /* Set the quad enable bit - only for quad commands */ - if ((flash->read_cmd == CMD_READ_QUAD_OUTPUT_FAST) || - (flash->read_cmd == CMD_READ_QUAD_IO_FAST) || - (flash->write_cmd == CMD_QUAD_PAGE_PROGRAM)) { - if (spi_flash_set_qeb(flash, idcode[0])) { - debug("SF: Fail to set QEB for %02x\n", idcode[0]); - return NULL; - } - } - /* Read dummy_byte: dummy byte is determined based on the * dummy cycles of a particular command. * Fast commands - dummy_byte = dummy_cycles/8 @@ -327,6 +317,16 @@ static struct spi_flash *spi_flash_probe_slave(struct spi_slave *spi) if (!flash) goto err_read_id; + /* Set the quad enable bit - only for quad commands */ + if ((flash->read_cmd == CMD_READ_QUAD_OUTPUT_FAST) || + (flash->read_cmd == CMD_READ_QUAD_IO_FAST) || + (flash->write_cmd == CMD_QUAD_PAGE_PROGRAM)) { + if (spi_flash_set_qeb(flash, idcode[0])) { + debug("SF: Fail to set QEB for %02x\n", idcode[0]); + return NULL; + } + } + #ifdef CONFIG_OF_CONTROL if (spi_flash_decode_fdt(gd->fdt_blob, flash)) { debug("SF: FDT decode error\n"); -- cgit v1.1