This patch enables SPI and MC13783/RTC support for the Litekit board.
Signed-off-by: Magnus Lilja lilja.magnus@gmail.com ---
board/imx31_litekit/imx31_litekit.c | 12 ++++++++++++ include/configs/imx31_litekit.h | 8 ++++++++ 2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/board/imx31_litekit/imx31_litekit.c b/board/imx31_litekit/imx31_litekit.c index e0fbf25..263dd9f 100644 --- 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 5e97cfa..4281d73 100644 --- 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