Patchwork [U-Boot,6/7,V4] EXYNOS5: Enable SPI

login
register
mail settings
Submitter Rajeshwari Birje
Date Aug. 2, 2012, 7:25 a.m.
Message ID <1343892310-21018-7-git-send-email-rajeshwari.s@samsung.com>
Download mbox | patch
Permalink /patch/174692/
State Superseded
Delegated to: Minkyu Kang
Headers show

Comments

Rajeshwari Birje - Aug. 2, 2012, 7:25 a.m.
This patch enables SPI driver for EXYNOS5.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
---
Changes in V2:
        - None.
Changes in V3:
        - Corrected the warning message.
Changes in V4:
        - Rebased on Mainline u-boot.git.
 board/samsung/smdk5250/smdk5250.c |    4 ++++
 include/configs/smdk5250.h        |   23 ++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletions(-)

Patch

diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c
index fae7d6f..7e20a3c 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 eb1466c..0f85be6 100644
--- a/include/configs/smdk5250.h
+++ b/include/configs/smdk5250.h
@@ -162,7 +162,7 @@ 
 #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
@@ -211,6 +211,27 @@ 
 #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