Re: [U-Boot] [PATCH v3 04/17] sf: Add extended addr read support for winbond|stmicro

2013-06-12 Thread Simon Glass 
On Tue, Jun 11, 2013 at 12:23 PM, Jagannadha Sutradharudu Teki 
jagannadha.sutradharudu-t...@xilinx.com wrote:

 This patch provides support to read a flash extended address
 register for winbond and stmicro SPI flashes.

 Signed-off-by: Jagannadha Sutradharudu Teki jaga...@xilinx.com


Reviewed-by: Simon Glass s...@chromium.org

Same comment as previous patch.


 ---
 Changes for v3:
 - none
 Changes for v2:
 - none

  drivers/mtd/spi/spi_flash.c  | 2 ++
  drivers/mtd/spi/spi_flash_internal.h | 1 +
  2 files changed, 3 insertions(+)

 diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
 index 05d1792..66b6b14 100644
 --- a/drivers/mtd/spi/spi_flash.c
 +++ b/drivers/mtd/spi/spi_flash.c
 @@ -321,6 +321,8 @@ int spi_flash_cmd_bankaddr_read(struct spi_flash
 *flash, void *data)

 if (idcode0 == 0x01) {
 cmd = CMD_BANKADDR_BRRD;
 +   } else if ((idcode0 == 0xef) || (idcode0 == 0x20)) {
 +   cmd = CMD_EXTNADDR_RDEAR;
 } else {
 printf(SF: Unsupported bank addr read %02x\n, idcode0);
 return -1;
 diff --git a/drivers/mtd/spi/spi_flash_internal.h
 b/drivers/mtd/spi/spi_flash_internal.h
 index de1a0df..1b29e2d 100644
 --- a/drivers/mtd/spi/spi_flash_internal.h
 +++ b/drivers/mtd/spi/spi_flash_internal.h
 @@ -32,6 +32,7 @@
  #define CMD_BANKADDR_BRWR  0x17
  #define CMD_BANKADDR_BRRD  0x16
  #define CMD_EXTNADDR_WREAR 0xC5
 +#define CMD_EXTNADDR_RDEAR 0xC8

  /* Common status */
  #define STATUS_WIP 0x01
 --
 1.8.3



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[U-Boot] [PATCH v3 04/17] sf: Add extended addr read support for winbond|stmicro

2013-06-11 Thread Jagannadha Sutradharudu Teki 
This patch provides support to read a flash extended address
register for winbond and stmicro SPI flashes.

Signed-off-by: Jagannadha Sutradharudu Teki jaga...@xilinx.com
---
Changes for v3:
- none
Changes for v2:
- none

 drivers/mtd/spi/spi_flash.c  | 2 ++
 drivers/mtd/spi/spi_flash_internal.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 05d1792..66b6b14 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -321,6 +321,8 @@ int spi_flash_cmd_bankaddr_read(struct spi_flash *flash, 
void *data)
 
if (idcode0 == 0x01) {
cmd = CMD_BANKADDR_BRRD;
+   } else if ((idcode0 == 0xef) || (idcode0 == 0x20)) {
+   cmd = CMD_EXTNADDR_RDEAR;
} else {
printf(SF: Unsupported bank addr read %02x\n, idcode0);
return -1;
diff --git a/drivers/mtd/spi/spi_flash_internal.h 
b/drivers/mtd/spi/spi_flash_internal.h
index de1a0df..1b29e2d 100644
--- a/drivers/mtd/spi/spi_flash_internal.h
+++ b/drivers/mtd/spi/spi_flash_internal.h
@@ -32,6 +32,7 @@
 #define CMD_BANKADDR_BRWR  0x17
 #define CMD_BANKADDR_BRRD  0x16
 #define CMD_EXTNADDR_WREAR 0xC5
+#define CMD_EXTNADDR_RDEAR 0xC8
 
 /* Common status */
 #define STATUS_WIP 0x01
-- 
1.8.3


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