summaryrefslogtreecommitdiff
path: root/board/nvidia/harmony/harmony.c
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2011-12-10 22:46:48 +0100
committerWolfgang Denk <wd@denx.de>2011-12-10 22:46:48 +0100
commitb96a661aeadb1b68d1b589b47f99ce9d6b2769df (patch)
tree4df62e827b8d33686bbd6da9d08e96fd7314eef2 /board/nvidia/harmony/harmony.c
parent84d018268a8af1d9f271b398748652c5112e951a (diff)
parent8ba1604d342076c29e375fa3196106eed1f84b2a (diff)
downloadolio-uboot-2014.01-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.tar.xz
olio-uboot-2014.01-b96a661aeadb1b68d1b589b47f99ce9d6b2769df.zip
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: M28: Cleanup memsize.o OOT build i.MX28: Move SPL to arch/arm/cpu/arm926ejs/mx28 M28: Fix typo M28: Document that units has to be set to sectors on SD bootcard i.mx: i.mx6q: add the initial support for i.mx6q ARM2 board i.mx: mxc_gpio: add the i.mx6q support i.mx: add the initial support for freescale i.MX6Q processor i.mx: introduce the armv7/imx-common folder S5PC2XX: Rename S5pc2XX to exynos tegra2: Don't use board pointer before it is set up tegra2: Remove unneeded 'dynamic ram size' message tegra2: Remove unused low-level Tegra2 UART code tegra2: Remove unneeded config option tegra2: Remove unneeded boot code tegra2: Enable instruction cache arm: Move CP15 init out of cpu_init_crit() tegra2: Simplify tegra_start() boot path tegra2: Add arch_cpu_init() to fire up Cortex-A9 tegra2: Use new GPIO APIs in gpio_config_uart() tegra2: Add support for Ventana tegra2: Modify MMC driver to handle power and cd GPIOs tegra2: Move board_mmc_init into board files
Diffstat (limited to 'board/nvidia/harmony/harmony.c')
-rw-r--r--board/nvidia/harmony/harmony.c57
1 files changed, 46 insertions, 11 deletions
diff --git a/board/nvidia/harmony/harmony.c b/board/nvidia/harmony/harmony.c
index cbb30d630..3cbe820c9 100644
--- a/board/nvidia/harmony/harmony.c
+++ b/board/nvidia/harmony/harmony.c
@@ -24,9 +24,12 @@
#include <common.h>
#include <asm/io.h>
#include <asm/arch/tegra2.h>
+#include <asm/arch/pinmux.h>
+#include <asm/gpio.h>
#ifdef CONFIG_TEGRA2_MMC
#include <mmc.h>
#endif
+#include "../common/board.h"
/*
* Routine: gpio_config_uart
@@ -38,23 +41,55 @@ void gpio_config_uart(void)
#ifdef CONFIG_TEGRA2_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 */
+ /* SDMMC4: config 3, x8 on 2nd set of pins */
+ pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
+
+ pinmux_tristate_disable(PINGRP_ATB);
+ pinmux_tristate_disable(PINGRP_GMA);
+ pinmux_tristate_disable(PINGRP_GME);
+
+ /* For power GPIO PI6 */
+ pinmux_tristate_disable(PINGRP_ATA);
+ /* For CD GPIO PH2 */
+ pinmux_tristate_disable(PINGRP_ATD);
+
+ /* SDMMC2: SDIO2_CLK, SDIO2_CMD, SDIO2_DAT[7:0] */
+ pinmux_set_func(PINGRP_DTA, PMUX_FUNC_SDIO2);
+ pinmux_set_func(PINGRP_DTD, PMUX_FUNC_SDIO2);
+
+ pinmux_tristate_disable(PINGRP_DTA);
+ pinmux_tristate_disable(PINGRP_DTD);
+
+ /* 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