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[U-Boot,v4,3/8] am335x_evm: Only set CONFIG_NAND when !CONFIG_SPI_BOOT

Message ID 1374174785-27578-4-git-send-email-trini@ti.com
State Accepted
Delegated to: Tom Rini
Headers show

Commit Message

Tom Rini July 18, 2013, 7:13 p.m. UTC 
Due to hardware design the board supported by the am335x_evm config
cannot have both NAND and SPI (or NOR) enabled at the same time due to
conflicts.  Disable the NAND SW stack when we know we can't have it
present.

Reviewed-by: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Justin Waters <justin.waters@timesys.com>
Signed-off-by: Tom Rini <trini@ti.com>

---
Changes in v4:
- Rework location, and note that when merged this should be dropped in
  favor of Justin Waters' approach in his series
Changes in v2:
- Reword commit message
---
 include/configs/am335x_evm.h |   11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)
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Patch

diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index cc2da92..c00a97f 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -42,6 +42,10 @@ 
 
 #define CONFIG_SYS_CACHELINE_SIZE       64
 
+#if !defined(CONFIG_SPI_BOOT)
+#define CONFIG_NAND
+#endif
+
 /* commands to include */
 #include <config_cmd_default.h>
 
@@ -231,7 +235,9 @@ 
 /* USB Device Firmware Update support */
 #define CONFIG_DFU_FUNCTION
 #define CONFIG_DFU_MMC
+#ifdef CONFIG_NAND
 #define CONFIG_DFU_NAND
+#endif
 #define CONFIG_CMD_DFU
 #define DFU_ALT_INFO_MMC \
 	"boot part 0 1;" \
@@ -372,11 +378,13 @@ 
 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/am33xx/u-boot-spl.lds"
 
 #define CONFIG_SPL_BOARD_INIT
+#ifdef CONFIG_NAND
 #define CONFIG_SPL_NAND_AM33XX_BCH
 #define CONFIG_SPL_NAND_SUPPORT
 #define CONFIG_SPL_NAND_BASE
 #define CONFIG_SPL_NAND_DRIVERS
 #define CONFIG_SPL_NAND_ECC
+#endif
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
 					 CONFIG_SYS_NAND_PAGE_SIZE)
@@ -497,7 +505,6 @@ 
 #define CONFIG_PHY_ADDR			0
 #define CONFIG_PHY_SMSC
 
-#define CONFIG_NAND
 /* NAND support */
 #ifdef CONFIG_NAND
 #define CONFIG_CMD_NAND
@@ -516,11 +523,9 @@ 
 							/* CS0 */
 #define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND
 							   devices */
-#if !defined(CONFIG_SPI_BOOT)
 #define CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_OFFSET		0x260000 /* environment starts here */
 #define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
 #endif
-#endif
 
 #endif	/* ! __CONFIG_AM335X_EVM_H */