Signed-off-by: Reinhard Meyer u-boot@emk-elektronik.de --- board/atmel/at91sam9260ek/at91sam9260ek.c | 33 +++++++++++++++++++++ include/configs/at91sam9260ek.h | 45 ++++++++++++++++++---------- 2 files changed, 62 insertions(+), 16 deletions(-)
diff --git a/board/atmel/at91sam9260ek/at91sam9260ek.c b/board/atmel/at91sam9260ek/at91sam9260ek.c index 682b922..784632e 100644 --- a/board/atmel/at91sam9260ek/at91sam9260ek.c +++ b/board/atmel/at91sam9260ek/at91sam9260ek.c @@ -23,6 +23,7 @@ */
#include <common.h> +#include <mmc.h> #include <asm/io.h> #include <asm/arch/at91sam9260_matrix.h> #include <asm/arch/at91sam9_smc.h> @@ -143,6 +144,38 @@ static void at91sam9260ek_macb_hw_init(void) } #endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI +/* this is a weak define that we are overriding */ +int board_mmc_init(bd_t *bd) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* Enable MCI clock */ + writel(1 << ATMEL_ID_MCI, &pmc->pcer); + + /* Initialize MCI hardware */ + at91_mci_hw_init(); + + /* This calls the atmel_mmc_init in gen_atmel_mci.c */ + return atmel_mci_init((void *)ATMEL_BASE_MCI); +} + +/* this is a weak define that we are overriding */ +int board_mmc_getcd(u8 *cd, struct mmc *mmc) +{ + /* + * the only currently existing use of this function + * (fsl_esdhc.c) suggests this function must return + * *cs = TRUE if a card is NOT detected -> in most + * cases the value of the pin when the detect switch + * closes to GND + */ + *cd = at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN) ? 1 : 0; + return 0; +} + +#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 88578c6..f12e83a 100644 --- a/include/configs/at91sam9260ek.h +++ b/include/configs/at91sam9260ek.h @@ -75,6 +75,14 @@ #define CONFIG_BAUDRATE 115200 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
+/* SD/MMC card */ +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_GENERIC_ATMEL_MCI +#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9 +#define CONFIG_CMD_MMC +#define CONFIG_ATMEL_MCI_PORTB /* use port B on those boards */ + /* LED */ #define CONFIG_AT91_LED #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ @@ -127,21 +135,26 @@ (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) #endif
-/* DataFlash */ -#define CONFIG_ATMEL_DATAFLASH_SPI -#define CONFIG_HAS_DATAFLASH 1 -#define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) -#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 -#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ -#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ -#define AT91_SPI_CLK 15000000 - -#ifdef CONFIG_AT91SAM9G20EK -#define DATAFLASH_TCSS (0x22 << 16) -#else -#define DATAFLASH_TCSS (0x1a << 16) -#endif -#define DATAFLASH_TCHS (0x1 << 24) +/* + * DataFlash + * cannot coexist with MMC due to shared pins. + */ +#ifndef CONFIG_MMC +# define CONFIG_ATMEL_DATAFLASH_SPI +# define CONFIG_HAS_DATAFLASH 1 +# define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) +# define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 +# define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ +# define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ +# define AT91_SPI_CLK 15000000 + +# ifdef CONFIG_AT91SAM9G20EK +# define DATAFLASH_TCSS (0x22 << 16) +# else +# define DATAFLASH_TCSS (0x1a << 16) +# endif +# define DATAFLASH_TCHS (0x1 << 24) +#endif /* ifndef CONFIG_MMC */
/* NAND flash */ #ifdef CONFIG_CMD_NAND