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Diffstat (limited to 'arch/arm/mach-ux500/board-mop500-sdi.c')
-rw-r--r--arch/arm/mach-ux500/board-mop500-sdi.c79
1 files changed, 74 insertions, 5 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index bac9956..4b99667 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -16,10 +16,24 @@
#include <mach/devices.h>
#include <mach/hardware.h>
+#include "devices-db8500.h"
#include "pins-db8500.h"
#include "board-mop500.h"
static pin_cfg_t mop500_sdi_pins[] = {
+ /* SDI0 (MicroSD slot) */
+ GPIO18_MC0_CMDDIR,
+ GPIO19_MC0_DAT0DIR,
+ GPIO20_MC0_DAT2DIR,
+ GPIO21_MC0_DAT31DIR,
+ GPIO22_MC0_FBCLK,
+ GPIO23_MC0_CLK,
+ GPIO24_MC0_CMD,
+ GPIO25_MC0_DAT0,
+ GPIO26_MC0_DAT1,
+ GPIO27_MC0_DAT2,
+ GPIO28_MC0_DAT3,
+
/* SDI4 (on-board eMMC) */
GPIO197_MC4_DAT3,
GPIO198_MC4_DAT2,
@@ -50,6 +64,55 @@ static pin_cfg_t mop500_sdi2_pins[] = {
};
/*
+ * SDI 0 (MicroSD slot)
+ */
+
+/* MMCIPOWER bits */
+#define MCI_DATA2DIREN (1 << 2)
+#define MCI_CMDDIREN (1 << 3)
+#define MCI_DATA0DIREN (1 << 4)
+#define MCI_DATA31DIREN (1 << 5)
+#define MCI_FBCLKEN (1 << 7)
+
+static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd,
+ unsigned char power_mode)
+{
+ if (power_mode == MMC_POWER_UP)
+ gpio_set_value_cansleep(GPIO_SDMMC_EN, 1);
+ else if (power_mode == MMC_POWER_OFF)
+ gpio_set_value_cansleep(GPIO_SDMMC_EN, 0);
+
+ return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN |
+ MCI_DATA2DIREN | MCI_DATA31DIREN;
+}
+
+static struct mmci_platform_data mop500_sdi0_data = {
+ .vdd_handler = mop500_sdi0_vdd_handler,
+ .ocr_mask = MMC_VDD_29_30,
+ .f_max = 100000000,
+ .capabilities = MMC_CAP_4_BIT_DATA,
+ .gpio_cd = GPIO_SDMMC_CD,
+ .gpio_wp = -1,
+};
+
+void mop500_sdi_tc35892_init(void)
+{
+ int ret;
+
+ ret = gpio_request(GPIO_SDMMC_EN, "SDMMC_EN");
+ if (!ret)
+ ret = gpio_request(GPIO_SDMMC_1V8_3V_SEL,
+ "GPIO_SDMMC_1V8_3V_SEL");
+ if (ret)
+ return;
+
+ gpio_direction_output(GPIO_SDMMC_1V8_3V_SEL, 1);
+ gpio_direction_output(GPIO_SDMMC_EN, 0);
+
+ db8500_add_sdi0(&mop500_sdi0_data);
+}
+
+/*
* SDI 2 (POP eMMC, not on DB8500ed)
*/
@@ -74,18 +137,24 @@ static struct mmci_platform_data mop500_sdi4_data = {
.gpio_wp = -1,
};
-void mop500_sdi_init(void)
+void __init mop500_sdi_init(void)
{
nmk_config_pins(mop500_sdi_pins, ARRAY_SIZE(mop500_sdi_pins));
- u8500_sdi2_device.dev.platform_data = &mop500_sdi2_data;
- u8500_sdi4_device.dev.platform_data = &mop500_sdi4_data;
+ /*
+ * sdi0 will finally be added when the TC35892 initializes and calls
+ * mop500_sdi_tc35892_init() above.
+ */
+ /* PoP:ed eMMC */
if (!cpu_is_u8500ed()) {
nmk_config_pins(mop500_sdi2_pins, ARRAY_SIZE(mop500_sdi2_pins));
- amba_device_register(&u8500_sdi2_device, &iomem_resource);
+ /* POP eMMC on v1.0 has problems with high speed */
+ if (!cpu_is_u8500v10())
+ mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED;
+ db8500_add_sdi2(&mop500_sdi2_data);
}
/* On-board eMMC */
- amba_device_register(&u8500_sdi4_device, &iomem_resource);
+ db8500_add_sdi4(&mop500_sdi4_data);
}
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