[U-Boot] [PATCH 4/5] sf: Update SST25* flash params of supported read commands

Bin Meng bmeng.cn at gmail.com
Thu Oct 23 15:37:05 CEST 2014


Explicitly list supported read commands in the flash prarmas table
for SST25* flash parts.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---
 drivers/mtd/spi/sf_params.c | 20 ++++++++++----------
 include/spi_flash.h         |  3 ++-
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/mtd/spi/sf_params.c b/drivers/mtd/spi/sf_params.c
index 453edf0..d5f3597 100644
--- a/drivers/mtd/spi/sf_params.c
+++ b/drivers/mtd/spi/sf_params.c
@@ -88,16 +88,16 @@ 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,	0,          SECT_4K | SST_WP},
-	{"SST25VF080B",	   0xbf258e, 0x0,	64 * 1024,    16,	0,	    SECT_4K | SST_WP},
-	{"SST25VF016B",	   0xbf2541, 0x0,	64 * 1024,    32,	0,	    SECT_4K | SST_WP},
-	{"SST25VF032B",	   0xbf254a, 0x0,	64 * 1024,    64,	0,	    SECT_4K | SST_WP},
-	{"SST25VF064C",	   0xbf254b, 0x0,	64 * 1024,   128,	0,		     SECT_4K},
-	{"SST25WF512",	   0xbf2501, 0x0,	64 * 1024,     1,	0,	    SECT_4K | SST_WP},
-	{"SST25WF010",	   0xbf2502, 0x0,	64 * 1024,     2,       0,          SECT_4K | SST_WP},
-	{"SST25WF020",	   0xbf2503, 0x0,	64 * 1024,     4,       0,	    SECT_4K | SST_WP},
-	{"SST25WF040",	   0xbf2504, 0x0,	64 * 1024,     8,       0,	    SECT_4K | SST_WP},
-	{"SST25WF080",	   0xbf2505, 0x0,	64 * 1024,    16,       0,	    SECT_4K | SST_WP},
+	{"SST25VF040B",	   0xbf258d, 0x0,	64 * 1024,     8, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25VF080B",	   0xbf258e, 0x0,	64 * 1024,    16, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25VF016B",	   0xbf2541, 0x0,	64 * 1024,    32, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25VF032B",	   0xbf254a, 0x0,	64 * 1024,    64, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25VF064C",	   0xbf254b, 0x0,	64 * 1024,   128, RD_EXTN,		     SECT_4K},
+	{"SST25WF512",	   0xbf2501, 0x0,	64 * 1024,     1, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25WF010",	   0xbf2502, 0x0,	64 * 1024,     2, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25WF020",	   0xbf2503, 0x0,	64 * 1024,     4, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25WF040",	   0xbf2504, 0x0,	64 * 1024,     8, RD_SLOW,	    SECT_4K | SST_WP},
+	{"SST25WF080",	   0xbf2505, 0x0,	64 * 1024,    16, RD_SLOW,	    SECT_4K | SST_WP},
 #endif
 #ifdef CONFIG_SPI_FLASH_WINBOND		/* WINBOND */
 	{"W25P80",	   0xef2014, 0x0,	64 * 1024,    16,	0,		           0},
diff --git a/include/spi_flash.h b/include/spi_flash.h
index 408a5b4..a75e030 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -46,7 +46,8 @@ enum spi_read_cmds {
 	QUAD_OUTPUT_FAST = 1 << 3,
 	QUAD_IO_FAST = 1 << 4,
 };
-#define RD_EXTN		ARRAY_SLOW | DUAL_OUTPUT_FAST | DUAL_IO_FAST
+#define RD_SLOW		ARRAY_SLOW
+#define RD_EXTN		RD_SLOW | DUAL_OUTPUT_FAST | DUAL_IO_FAST
 #define RD_FULL		RD_EXTN | QUAD_OUTPUT_FAST | QUAD_IO_FAST
 
 /* Dual SPI flash memories */
-- 
1.8.2.1



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