[U-Boot] [PATCH 5/6 V5] EXYNOS5: Enable SPI
Hatim Ali
hatim.rv at samsung.com
Tue Oct 16 12:58:45 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
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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