i.MX31: Enable SPI and MC13783/RTC support for the Litekit board

This patch enables SPI and MC13783/RTC support for the Litekit board.

Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>

diff --git a/board/imx31_litekit/imx31_litekit.c b/board/imx31_litekit/imx31_litekit.c
index e0fbf25fc4726d771b3503b31ebcf7bd231aae1d..263dd9f7d1ae7ebba5d39a9d6c816937759c6799 100644 (file)
--- a/board/imx31_litekit/imx31_litekit.c
+++ b/board/imx31_litekit/imx31_litekit.c
@@ -52,6 +52,18 @@ int board_init (void)
        mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
        mx31_gpio_mux(MUX_RTS1__UART1_CTS_B);
 
+       /* SPI2 */
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS2);
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SCLK);
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SPI_RDY);
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_MOSI);
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_MISO);
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS0);
+       mx31_gpio_mux((MUX_CTL_FUNC << 8) | MUX_CTL_CSPI2_SS1);
+
+       /* start SPI2 clock */
+       __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
+
        gd->bd->bi_arch_number = MACH_TYPE_MX31LITE; /* board id for linux */
        gd->bd->bi_boot_params = (0x80000100);  /* adress of boot parameters */
 

diff --git a/include/configs/imx31_litekit.h b/include/configs/imx31_litekit.h
index 5e97cfa72efe7edcee52cf8ce1fff21c9e92d12c..4281d73c90b47e370ba103aa44fee04cd559fc52 100644 (file)
--- a/include/configs/imx31_litekit.h
+++ b/include/configs/imx31_litekit.h
@@ -63,6 +63,12 @@
 #define CONFIG_MX31_UART       1
 #define CFG_MX31_UART1         1
 
+#define CONFIG_HARD_SPI                1
+#define CONFIG_MXC_SPI         1
+#define CONFIG_MXC_SPI_IFACE   1
+
+#define CONFIG_RTC_MC13783     1
+
 /* allow to overwrite serial and ethaddr */
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_CONS_INDEX      1
@@ -77,6 +83,8 @@
 
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_PING
+#define CONFIG_CMD_SPI
+#define CONFIG_CMD_DATE
 
 #define CONFIG_BOOTDELAY       3