[U-Boot] [PATCH 5/6 V6] EXYNOS5: Enable SPI

Hatim Ali hatim.rv at samsung.com
Wed Oct 17 06:58:24 CEST 2012


From: Rajeshwari Shinde <rajeshwari.s at samsung.com>

This patch enables SPI driver for EXYNOS5.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>
Signed-off-by: Hatim Ali <hatim.rv at samsung.com>
---
Changes since v4:
	- Rebased on u-boot-samsung.git
Changes since v5:
	No change

 board/samsung/smdk5250/smdk5250.c |    4 ++++
 include/configs/smdk5250.h        |   23 ++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletions(-)

diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index a5816e4..069c9e8 100644
--- a/board/samsung/smdk5250/smdk5250.c
+++ b/board/samsung/smdk5250/smdk5250.c
@@ -24,6 +24,7 @@
 #include <asm/io.h>
 #include <i2c.h>
 #include <netdev.h>
+#include <spi.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
@@ -63,6 +64,9 @@ 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 9e3b55b..a9334cf 100644
--- a/include/configs/smdk5250.h
+++ b/include/configs/smdk5250.h
@@ -164,7 +164,7 @@
 #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
@@ -213,6 +213,27 @@
 #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 PXE Support */
 #ifdef CONFIG_CMD_NET
 #define CONFIG_CMD_PXE
-- 
1.7.2.3



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