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

[platform/kernel/u-boot.git] / board / imx31_litekit / imx31_litekit.c

diff --git a/board/imx31_litekit/imx31_litekit.c b/board/imx31_litekit/imx31_litekit.c
index e0fbf25..263dd9f 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 */