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ARM: at91: at91sam9rlek: add mci support

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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>
This commit is contained in:
Wu, Josh 2015-02-02 17:51:00 +08:00 committed by Andreas Bießmann
parent 65b553b71c
commit 111ec4c652
3 changed files with 38 additions and 0 deletions
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17
arch/arm/mach-at91/arm926ejs/at91sam9rl_devices.c
View File

@ -101,3 +101,20 @@ void at91_spi0_hw_init(unsigned long cs_mask)
}
}
#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

10
board/atmel/at91sam9rlek/at91sam9rlek.c
View File

@ -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 @@ void lcd_show_board_info(void)
#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;

11
include/configs/at91sam9rlek.h
View File

@ -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 */