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Tegra: MMC: Add DT support to MMC driver for all T20 boards

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tegra_mmc_init() now parses the DT info for bus width, WP/CD GPIOs, etc.
Tested on Seaboard, fully functional.

Tamonten boards (medcom-wide, plutux, and tec) use a different/new
dtsi file w/common settings.

Signed-off-by: Tom Warren <twarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Tom Warren
2013-02-21 12:31:30 +00:00
committed by Tom Warren
parent 126685ad44
commit c9aa831ee2
13 changed files with 173 additions and 208 deletions
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26
board/compal/paz00/paz00.c
View File

@ -18,19 +18,14 @@
#include <asm/io.h>
#include <asm/arch/tegra.h>
#include <asm/arch/pinmux.h>
#include <asm/arch-tegra/mmc.h>
#include <asm/gpio.h>
#ifdef CONFIG_TEGRA_MMC
#include <mmc.h>
#endif
#ifdef CONFIG_TEGRA_MMC
/*
* Routine: pin_mux_mmc
* Description: setup the pin muxes/tristate values for the SDMMC(s)
*/
static void pin_mux_mmc(void)
void pin_mux_mmc(void)
{
/* SDMMC4: config 3, x8 on 2nd set of pins */
pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
@ -51,25 +46,6 @@ static void pin_mux_mmc(void)
/* For CD GPIO PV5 */
pinmux_tristate_disable(PINGRP_GPV);
}
/* this is a weak define that we are overriding */
int board_mmc_init(bd_t *bd)
{
debug("board_mmc_init called\n");
/* Enable muxes, etc. for SDMMC controllers */
pin_mux_mmc();
debug("board_mmc_init: init eMMC\n");
/* init dev 0, eMMC chip, with 8-bit bus */
tegra_mmc_init(0, 8, -1, -1);
debug("board_mmc_init: init SD slot\n");
/* init dev 3, SD slot, with 4-bit bus */
tegra_mmc_init(3, 4, GPIO_PV1, GPIO_PV5);
return 0;
}
#endif
#ifdef CONFIG_LCD