[U-Boot] [PATCH] Add AMD 29LV160DB FLASH support to SBC-2410A board.

[Daniel Schuler]

Hello,

I'm not sure if this is the proper way to submit a patch - please feel
free to let me know what needs to be changed, if anything.
Thanks,

    Daniel Schuler

===================
The current SBC-2410A board from Embest ships with 2MiB of NOR FLASH,
for which CONFIG_AMD_LV160 has been defined in include/configs/sbc2410x.h
Also, CONFIG_ENV_ADDR has been made more generic by making it depend on
CONFIG_ENV_SIZE, so that only the latter needs to be changed to modify
the size of the environment.

In board/sbc2410x/flash.c, the appropriate #elif and case statements have
been added to support this chip.

Signed-off-by: Daniel Schuler <dbschuler at gmail.com>
---
 board/sbc2410x/flash.c     |    6 ++++++
 include/configs/sbc2410x.h |   20 +++++++++++++-------
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/board/sbc2410x/flash.c b/board/sbc2410x/flash.c
index abb0935..81aa9e8 100644
--- a/board/sbc2410x/flash.c
+++ b/board/sbc2410x/flash.c
@@ -69,6 +69,9 @@ ulong flash_init (void)
 #elif defined(CONFIG_AMD_LV800)
 			(AMD_MANUFACT & FLASH_VENDMASK) |
 			(AMD_ID_LV800B & FLASH_TYPEMASK);
+#elif defined(CONFIG_AMD_LV160)
+			(AMD_MANUFACT & FLASH_VENDMASK) |
+			(AMD_ID_LV160B & FLASH_TYPEMASK);
 #else
 #error "Unknown flash configured"
 #endif
@@ -142,6 +145,9 @@ void flash_print_info (flash_info_t * info)
 	case (AMD_ID_LV800B & FLASH_TYPEMASK):
 		printf ("1x Amd29LV800BB (8Mbit)\n");
 		break;
+	case (AMD_ID_LV160B & FLASH_TYPEMASK):
+		printf ("1x Amd29LV160DB (16Mbit)\n");
+		break;
 	default:
 		printf ("Unknown Chip Type\n");
 		goto Done;
diff --git a/include/configs/sbc2410x.h b/include/configs/sbc2410x.h
index d7a6ae4..4d6038d 100644
--- a/include/configs/sbc2410x.h
+++ b/include/configs/sbc2410x.h
@@ -139,7 +139,7 @@

 #define	CONFIG_SYS_LOAD_ADDR		0x33000000	/* default load address	*/

-/* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */
+/* the PWM Timer 4 uses a counter of 15625 for 10 ms, so we need */
 /* it to wrap 100 times (total 1562500) to get 1 sec. */
 #define	CONFIG_SYS_HZ			1562500

@@ -173,29 +173,35 @@
  */
 /* #define CONFIG_AMD_LV400	1	/\* uncomment this if you have a LV400
flash *\/ */

-#define CONFIG_AMD_LV800	1	/* uncomment this if you have a LV800 flash */
+/* #define CONFIG_AMD_LV800	1	/\* uncomment this if you have a LV800
flash *\/ */
+
+#define CONFIG_AMD_LV160	1	/* uncomment this if you have a LV160 flash */

 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */

+#ifdef CONFIG_AMD_LV160
+#define PHYS_FLASH_SIZE		0x00200000 /* 2MB */
+#define CONFIG_SYS_MAX_FLASH_SECT	(35)     /* max number of sectors
on one chip */
+#endif
+
 #ifdef CONFIG_AMD_LV800
 #define PHYS_FLASH_SIZE		0x00100000 /* 1MB */
 #define CONFIG_SYS_MAX_FLASH_SECT	(19)	/* max number of sectors on one chip */
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + 0x0F0000) /* addr
of environment */
 #endif

 #ifdef CONFIG_AMD_LV400
 #define PHYS_FLASH_SIZE		0x00080000 /* 512KB */
 #define CONFIG_SYS_MAX_FLASH_SECT	(11)	/* max number of sectors on one chip */
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + 0x070000) /* addr
of environment */
 #endif

+#define CONFIG_ENV_IS_IN_FLASH	1
+#define CONFIG_ENV_SIZE		0x10000	/* Total Size of Environment Sector */
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + PHYS_FLASH_SIZE -
CONFIG_ENV_SIZE) /* starting addr of environment */
+
 /* timeout values are in ticks */
 #define CONFIG_SYS_FLASH_ERASE_TOUT	(5*CONFIG_SYS_HZ) /* Timeout for
Flash Erase */
 #define CONFIG_SYS_FLASH_WRITE_TOUT	(5*CONFIG_SYS_HZ) /* Timeout for
Flash Write */

-#define	CONFIG_ENV_IS_IN_FLASH	1
-#define CONFIG_ENV_SIZE		0x10000	/* Total Size of Environment Sector */
-
 /*-----------------------------------------------------------------------
  * NAND flash settings
  */
-- 
1.5.6.3