X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=doc%2FREADME.atmel_mci;h=1ec4465ca0843caae09670a7b209a1ea9a947687;hb=0adf123f87baa6534ec514000f36b14ed48114d1;hp=18b1bdf7e5df58217bf52d648232e145cce8ea25;hpb=8fea51a4acb0c7da6fb375c9a708c50c0a1b66ad;p=karo-tx-uboot.git diff --git a/doc/README.atmel_mci b/doc/README.atmel_mci index 18b1bdf7e5..1ec4465ca0 100644 --- a/doc/README.atmel_mci +++ b/doc/README.atmel_mci @@ -20,7 +20,7 @@ board/SoC specific manner before the driver is initialized: example: this is added to at91sam9260_devices.c: -#if defined(CONFIG_ATMEL_MCI) || defined(CONFIG_GENERIC_ATMEL_MCI) +#if defined(CONFIG_GENERIC_ATMEL_MCI) void at91_mci_hw_init(void) { at91_set_a_periph(AT91_PIO_PORTA, 8, PUP); /* MCCK */ @@ -59,17 +59,9 @@ int board_mmc_init(bd_t *bd) } /* this is a weak define that we are overriding */ -int board_mmc_getcd(u8 *cd, struct mmc *mmc) +int board_mmc_getcd(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; + return !at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN); } #endif @@ -83,4 +75,3 @@ and the board definition files needs: #define CONFIG_ATMEL_MCI_PORTB 1 /* Atmel XE-EK uses port B */ #define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9 #define CONFIG_CMD_MMC 1 -