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[U-Boot,7/8] EXYNOS5: Enable SPI

Message ID 1343731360-31691-8-git-send-email-rajeshwari.s@samsung.com
State Superseded
Headers show

Commit Message

Rajeshwari Birje July 31, 2012, 10:42 a.m. UTC 
This patch enables SPI driver for EXYNOS5.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
---
 board/samsung/smdk5250/smdk5250.c |    3 +++
 include/configs/smdk5250.h        |   23 ++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 1 deletions(-)
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Patch

diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index a5816e4..2848c10 100644
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -63,6 +63,9 @@  static int smc9115_pre_init(void)
 int board_init(void)
 {
 	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
+#ifdef CONFIG_EXYNOS_SPI
+	spi_init();
+#endif
 	return 0;
 }
 
diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h
index 27dab76..29b7ac6 100644
--- a/include/configs/smdk5250.h
+++ b/include/configs/smdk5250.h
@@ -167,7 +167,7 @@ 
 #undef CONFIG_CMD_IMLS
 #define CONFIG_IDENT_STRING		" for SMDK5250"
 
-#define CONFIG_ENV_IS_IN_MMC
+/*#define CONFIG_ENV_IS_IN_MMC*/
 #define CONFIG_SYS_MMC_ENV_DEV		0
 
 #define CONFIG_SECURE_BL1_ONLY
@@ -216,6 +216,27 @@ 
 #define CONFIG_ENV_SROM_BANK		1
 #endif /*CONFIG_CMD_NET*/
 
+/* SPI */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_SPI_FLASH
+
+#ifdef CONFIG_SPI_FLASH
+#define CONFIG_EXYNOS_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI_FLASH_WINBOND
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_SF_DEFAULT_SPEED		50000000
+#define EXYNOS5_SPI_NUM_CONTROLLERS	5
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SPI_MODE	SPI_MODE_0
+#define CONFIG_ENV_SECT_SIZE	CONFIG_ENV_SIZE
+#define CONFIG_ENV_SPI_BUS	1
+#define CONFIG_ENV_SPI_MAX_HZ	50000000
+#endif
+
 /* Enable devicetree support */
 #define CONFIG_OF_LIBFDT