#include <common.h>
#include <asm/io.h>
#include <asm/arch/tegra2.h>
-#ifdef CONFIG_TEGRA2_MMC
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/mmc.h>
+#include <asm/gpio.h>
+#ifdef CONFIG_TEGRA_MMC
#include <mmc.h>
#endif
{
}
-#ifdef CONFIG_TEGRA2_MMC
+#ifdef CONFIG_TEGRA_MMC
/*
- * Routine: gpio_config_mmc
- * Description: Set GPIOs for SD card
+ * Routine: pin_mux_mmc
+ * Description: setup the pin muxes/tristate values for the SDMMC(s)
*/
-void gpio_config_mmc(void)
+static void pin_mux_mmc(void)
{
- /* Not implemented for now */
+ funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
+ funcmux_select(PERIPH_ID_SDMMC2, FUNCMUX_SDMMC2_DTA_DTD_8BIT);
+
+ /* For power GPIO PI6 */
+ pinmux_tristate_disable(PINGRP_ATA);
+ /* For CD GPIO PH2 */
+ pinmux_tristate_disable(PINGRP_ATD);
+
+ /* For power GPIO PT3 */
+ pinmux_tristate_disable(PINGRP_DTB);
+ /* For CD GPIO PI5 */
+ pinmux_tristate_disable(PINGRP_ATC);
}
/* this is a weak define that we are overriding */
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_init(bd_t *bd)
{
- debug("board_mmc_getcd called\n");
- /*
- * Hard-code CD presence for now. Need to add GPIO inputs
- * for Harmony
- */
- *cd = 1;
+ debug("board_mmc_init called\n");
+
+ /* Enable muxes, etc. for SDMMC controllers */
+ pin_mux_mmc();
+
+ debug("board_mmc_init: init SD slot J26\n");
+ /* init dev 0, SD slot J26, with 4-bit bus */
+ /* The board has an 8-bit bus, but 8-bit doesn't work yet */
+ tegra2_mmc_init(0, 4, GPIO_PI6, GPIO_PH2);
+
+ debug("board_mmc_init: init SD slot J5\n");
+ /* init dev 2, SD slot J5, with 4-bit bus */
+ tegra2_mmc_init(2, 4, GPIO_PT3, GPIO_PI5);
+
return 0;
}
#endif