[U-Boot] [PATCH 1/2] arm: at91: enable mci support for at91sam9g20ek.
Josh Wu
josh.wu at atmel.com
Fri Mar 29 07:28:41 CET 2013
Signed-off-by: Josh Wu <josh.wu at atmel.com>
---
arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 4 ++++
board/atmel/at91sam9260ek/at91sam9260ek.c | 10 ++++++++++
include/configs/at91sam9260ek.h | 16 ++++++++++++++--
3 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
index 19ec615..5e995e1 100644
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c
@@ -203,6 +203,10 @@ void at91_macb_hw_init(void)
#if defined(CONFIG_GENERIC_ATMEL_MCI)
void at91_mci_hw_init(void)
{
+ /* Enable mci clock */
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+ writel(1 << ATMEL_ID_MCI, &pmc->pcer);
+
at91_set_a_periph(AT91_PIO_PORTA, 8, 1); /* MCCK */
#if defined(CONFIG_ATMEL_MCI_PORTB)
at91_set_b_periph(AT91_PIO_PORTA, 1, 1); /* MCCDB */
diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c
index 3aa394a..1e7b33e 100644
--- a/board/atmel/at91sam9260ek/at91sam9260ek.c
+++ b/board/atmel/at91sam9260ek/at91sam9260ek.c
@@ -30,6 +30,7 @@
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
+#include <atmel_mci.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
# include <net.h>
@@ -143,6 +144,15 @@ static void at91sam9260ek_macb_hw_init(void)
}
#endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bd)
+{
+ 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/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index ebcc69a..f6193bb 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -105,6 +105,8 @@
#define CONFIG_CMD_PING 1
#define CONFIG_CMD_DHCP 1
#define CONFIG_CMD_NAND 1
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT
#define CONFIG_CMD_USB 1
/*
@@ -158,6 +160,18 @@
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
#endif
+/* MMC */
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#endif
+
+/* FAT */
+#ifdef CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
/* NOR flash - no real flash on this board */
#define CONFIG_SYS_NO_FLASH 1
@@ -170,13 +184,11 @@
/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_OHCI_NEW 1
-#define CONFIG_DOS_PARTITION 1
#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_USB_STORAGE 1
-#define CONFIG_CMD_FAT 1
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
--
1.7.9.5
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