ARM: at91sam9x5: enable MCI0 support for 9x5ek board.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
index 6d77219d0daeca8bb75fcd59a363a260a1b86faa..93485523b585077e48a9ca03a6d163f80ed5f77e 100644 (file)
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
@@ -118,6 +118,21 @@ void at91_serial2_hw_init(void)
        writel(1 << ATMEL_ID_USART2, &pmc->pcer);
 }
 
+void at91_mci_hw_init(void)
+{
+       /* Initialize the MCI0 */
+       at91_set_a_periph(AT91_PIO_PORTA, 17, 1);       /* MCCK */
+       at91_set_a_periph(AT91_PIO_PORTA, 16, 1);       /* MCCDA */
+       at91_set_a_periph(AT91_PIO_PORTA, 15, 1);       /* MCDA0 */
+       at91_set_a_periph(AT91_PIO_PORTA, 18, 1);       /* MCDA1 */
+       at91_set_a_periph(AT91_PIO_PORTA, 19, 1);       /* MCDA2 */
+       at91_set_a_periph(AT91_PIO_PORTA, 20, 1);       /* MCDA3 */
+
+       /* Enable clock for MCI0 */
+       struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+       writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer);
+}
+
 #ifdef CONFIG_ATMEL_SPI
 void at91_spi0_hw_init(unsigned long cs_mask)
 {

diff --git a/board/atmel/at91sam9x5ek/at91sam9x5ek.c b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
index 06028aa01e82fbf699441caf815dc125f65c80c4..edb088680d000838288d84f9cff0bd48433cd9b8 100644 (file)
--- a/board/atmel/at91sam9x5ek/at91sam9x5ek.c
+++ b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
@@ -31,6 +31,7 @@
 #include <asm/arch/clk.h>
 #include <lcd.h>
 #include <atmel_hlcdc.h>
+#include <atmel_mci.h>
 #ifdef CONFIG_MACB
 #include <net.h>
 #endif
@@ -258,6 +259,15 @@ void spi_cs_deactivate(struct spi_slave *slave)
 }
 #endif /* CONFIG_ATMEL_SPI */
 
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bd)
+{
+       at91_mci_hw_init();
+
+       return atmel_mci_init((void *)ATMEL_BASE_HSMCI0);
+}
+#endif
+
 int board_early_init_f(void)
 {
        at91_seriald_hw_init();

diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
index cbdc3e93cbfd841287a93569499860f56fabbd26..71f765b49422208da2b46b62cade585a83071250 100644 (file)
--- a/include/configs/at91sam9x5ek.h
+++ b/include/configs/at91sam9x5ek.h
@@ -89,6 +89,7 @@
 #define CONFIG_CMD_DHCP
 #define CONFIG_CMD_NAND
 #define CONFIG_CMD_SF
+#define CONFIG_CMD_MMC
 
 /* SDRAM */
 #define CONFIG_NR_DRAM_BANKS           1
@@ -138,6 +139,15 @@
 #define CONFIG_CMD_UBIFS
 #endif
 
+/* MMC */
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_DOS_PARTITION
+#endif
+
 /* Ethernet */
 #define CONFIG_MACB
 #define CONFIG_RMII