ux500: Add eMMC support in U5500.

U5500 now boots from sdi0 (onboard eMMC).
Change machine type to U5500.
Adjust uart and sdi0 clock rates for u5500.
All necessary clocks must be enabled before Linux starts because
there is no clock tree support in u5500 yet.

Signed-off-by: Per Forlin <per.forlin@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/arm/mach-ux500/board-u5500-sdi.c b/arch/arm/mach-ux500/board-u5500-sdi.c
new file mode 100644
index 000000000000..54712acc0394
--- /dev/null
+++ b/arch/arm/mach-ux500/board-u5500-sdi.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * Author: Hanumath Prasad <ulf.hansson@stericsson.com>
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/amba/mmci.h>
+#include <linux/mmc/host.h>
+#include <linux/gpio.h>
+
+#include <plat/pincfg.h>
+#include <mach/db5500-regs.h>
+#include <plat/ste_dma40.h>
+
+#include "pins-db5500.h"
+#include "devices-db5500.h"
+#include "ste-dma40-db5500.h"
+
+static pin_cfg_t u5500_sdi_pins[] = {
+	/* SDI0 (POP eMMC) */
+	GPIO5_MC0_DAT0		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO6_MC0_DAT1		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO7_MC0_DAT2		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO8_MC0_DAT3		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO9_MC0_DAT4		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO10_MC0_DAT5		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO11_MC0_DAT6		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO12_MC0_DAT7		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO13_MC0_CMD		| PIN_DIR_INPUT | PIN_PULL_UP,
+	GPIO14_MC0_CLK		| PIN_DIR_OUTPUT | PIN_VAL_LOW,
+};
+
+static struct mmci_platform_data u5500_sdi0_data = {
+	.ocr_mask	= MMC_VDD_165_195,
+	.f_max		= 50000000,
+	.capabilities	= MMC_CAP_4_BIT_DATA |
+				MMC_CAP_8_BIT_DATA |
+				MMC_CAP_MMC_HIGHSPEED,
+	.gpio_cd	= -1,
+	.gpio_wp	= -1,
+};
+
+void __init u5500_sdi_init(void)
+{
+	nmk_config_pins(u5500_sdi_pins, ARRAY_SIZE(u5500_sdi_pins));
+
+	db5500_add_sdi0(&u5500_sdi0_data);
+}