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

1 files changed, 36 insertions, 6 deletions

diff --git a/drivers/mmc/tegra2_mmc.c b/drivers/mmc/tegra2_mmc.c
index ccf48bbb1..035a8687d 100644
--- a/drivers/mmc/tegra2_mmc.c
+++ b/drivers/mmc/tegra2_mmc.c
@@ -21,6 +21,7 @@
 
 #include <common.h>
 #include <mmc.h>
+#include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch/clk_rst.h>
 #include <asm/arch/clock.h>
@@ -473,20 +474,37 @@ static int mmc_core_init(struct mmc *mmc)
 	return 0;
 }
 
-static int tegra2_mmc_initialize(int dev_index, int bus_width)
+int tegra2_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio)
 {
 	struct mmc_host *host;
+	char gpusage[12]; /* "SD/MMCn PWR" or "SD/MMCn CD" */
 	struct mmc *mmc;
 
-	debug(" mmc_initialize called\n");
+	debug(" tegra2_mmc_init: index %d, bus width %d "
+		"pwr_gpio %d cd_gpio %d\n",
+		dev_index, bus_width, pwr_gpio, cd_gpio);
 
 	host = &mmc_host[dev_index];
 
 	host->clock = 0;
+	host->pwr_gpio = pwr_gpio;
+	host->cd_gpio = cd_gpio;
 	tegra2_get_setup(host, dev_index);
 
 	clock_start_periph_pll(host->mmc_id, CLOCK_ID_PERIPH, 20000000);
 
+	if (host->pwr_gpio >= 0) {
+		sprintf(gpusage, "SD/MMC%d PWR", dev_index);
+		gpio_request(host->pwr_gpio, gpusage);
+		gpio_direction_output(host->pwr_gpio, 1);
+	}
+
+	if (host->cd_gpio >= 0) {
+		sprintf(gpusage, "SD/MMC%d CD", dev_index);
+		gpio_request(host->cd_gpio, gpusage);
+		gpio_direction_input(host->cd_gpio);
+	}
+
 	mmc = &mmc_dev[dev_index];
 
 	sprintf(mmc->name, "Tegra2 SD/MMC");
@@ -518,9 +536,21 @@ static int tegra2_mmc_initialize(int dev_index, int bus_width)
 	return 0;
 }
 
-int tegra2_mmc_init(int dev_index, int bus_width)
+/* this is a weak define that we are overriding */
+int board_mmc_getcd(u8 *cd, struct mmc *mmc)
 {
-	debug(" tegra2_mmc_init: index %d, bus width %d\n",
-		dev_index, bus_width);
-	return tegra2_mmc_initialize(dev_index, bus_width);
+	struct mmc_host *host = (struct mmc_host *)mmc->priv;
+
+	debug("board_mmc_getcd called\n");
+
+	*cd = 1; /* Assume card is inserted, or eMMC */
+
+	if (IS_SD(mmc)) {
+		if (host->cd_gpio >= 0) {
+			if (gpio_get_value(host->cd_gpio))
+				*cd = 0;
+		}
+	}
+
+	return 0;
 }