ARM: at91: at91sam9rlek: add mci support
This patch enable the MCI support for at91sam9rlek board.
Signed-off-by: Josh Wu <josh.wu@atmel.com>
[rebase on ToT]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c b/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c
index 0ec32c3..857c864 100644
--- a/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c
@@ -101,3 +101,20 @@
}
}
#endif
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+void at91_mci_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* MCI CLK */
+ at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* MCI CDA */
+ at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* MCI DA0 */
+ at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* MCI DA1 */
+ at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* MCI DA2 */
+ at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* MCI DA3 */
+
+ /* Enable clock */
+ writel(1 << ATMEL_ID_MCI, &pmc->pcer);
+}
+#endif
diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
index 56ca1d4..f995cef 100644
--- a/board/atmel/at91sam9rlek/at91sam9rlek.c
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -19,6 +19,7 @@
#include <lcd.h>
#include <atmel_lcdc.h>
+#include <atmel_mci.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
#include <net.h>
#endif
@@ -162,6 +163,15 @@
#endif /* CONFIG_LCD_INFO */
#endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bis)
+{
+ at91_mci_hw_init();
+
+ return atmel_mci_init((void *)ATMEL_BASE_MCI);
+}
+#endif
+
int board_early_init_f(void)
{
struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index f435d71..2ed92d6 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -124,6 +124,17 @@
#endif
+/* MMC */
+#define CONFIG_CMD_MMC
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
/* Ethernet - not present */
/* USB - not supported */