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-rw-r--r--arch/arm/mach-omap1/board-ams-delta.c69
-rw-r--r--arch/arm/mach-omap1/devices.c43
-rw-r--r--arch/arm/mach-omap1/include/mach/camera.h11
-rw-r--r--arch/arm/mach-omap2/board-4430sdp.c9
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c46
-rw-r--r--arch/arm/mach-omap2/devices.c8
-rw-r--r--arch/arm/mach-omap2/hsmmc.c7
-rw-r--r--arch/arm/mach-omap2/id.c72
-rw-r--r--arch/arm/mach-omap2/mux.c13
-rw-r--r--arch/arm/mach-omap2/mux.h2
-rw-r--r--arch/arm/plat-omap/include/plat/cpu.h36
-rw-r--r--arch/arm/plat-omap/include/plat/mmc.h4
-rw-r--r--drivers/mmc/host/omap_hsmmc.c25
13 files changed, 279 insertions, 66 deletions
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 41992ab7196..248e8bb64b6 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -16,9 +16,12 @@
#include <linux/init.h>
#include <linux/input.h>
#include <linux/interrupt.h>
+#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
+#include <media/soc_camera.h>
+
#include <asm/serial.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -32,6 +35,7 @@
#include <plat/usb.h>
#include <plat/board.h>
#include <plat/common.h>
+#include <mach/camera.h>
#include <mach/ams-delta-fiq.h>
@@ -213,10 +217,56 @@ static struct platform_device ams_delta_led_device = {
.id = -1
};
+static struct i2c_board_info ams_delta_camera_board_info[] = {
+ {
+ I2C_BOARD_INFO("ov6650", 0x60),
+ },
+};
+
+#ifdef CONFIG_LEDS_TRIGGERS
+DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
+
+static int ams_delta_camera_power(struct device *dev, int power)
+{
+ /*
+ * turn on camera LED
+ */
+ if (power)
+ led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
+ else
+ led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
+ return 0;
+}
+#else
+#define ams_delta_camera_power NULL
+#endif
+
+static struct soc_camera_link __initdata ams_delta_iclink = {
+ .bus_id = 0, /* OMAP1 SoC camera bus */
+ .i2c_adapter_id = 1,
+ .board_info = &ams_delta_camera_board_info[0],
+ .module_name = "ov6650",
+ .power = ams_delta_camera_power,
+};
+
+static struct platform_device ams_delta_camera_device = {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &ams_delta_iclink,
+ },
+};
+
+static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
+ .camexclk_khz = 12000, /* default 12MHz clock, no extra DPLL */
+ .lclk_khz_max = 1334, /* results in 5fps CIF, 10fps QCIF */
+};
+
static struct platform_device *ams_delta_devices[] __initdata = {
&ams_delta_kp_device,
&ams_delta_lcd_device,
&ams_delta_led_device,
+ &ams_delta_camera_device,
};
static void __init ams_delta_init(void)
@@ -225,6 +275,20 @@ static void __init ams_delta_init(void)
omap_cfg_reg(UART1_TX);
omap_cfg_reg(UART1_RTS);
+ /* parallel camera interface */
+ omap_cfg_reg(H19_1610_CAM_EXCLK);
+ omap_cfg_reg(J15_1610_CAM_LCLK);
+ omap_cfg_reg(L18_1610_CAM_VS);
+ omap_cfg_reg(L15_1610_CAM_HS);
+ omap_cfg_reg(L19_1610_CAM_D0);
+ omap_cfg_reg(K14_1610_CAM_D1);
+ omap_cfg_reg(K15_1610_CAM_D2);
+ omap_cfg_reg(K19_1610_CAM_D3);
+ omap_cfg_reg(K18_1610_CAM_D4);
+ omap_cfg_reg(J14_1610_CAM_D5);
+ omap_cfg_reg(J19_1610_CAM_D6);
+ omap_cfg_reg(J18_1610_CAM_D7);
+
iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
omap_board_config = ams_delta_config;
@@ -236,6 +300,11 @@ static void __init ams_delta_init(void)
ams_delta_latch2_write(~0, 0);
omap1_usb_init(&ams_delta_usb_config);
+ omap1_set_camera_info(&ams_delta_camera_platform_data);
+#ifdef CONFIG_LEDS_TRIGGERS
+ led_trigger_register_simple("ams_delta_camera",
+ &ams_delta_camera_led_trigger);
+#endif
platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
#ifdef CONFIG_AMS_DELTA_FIQ
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index aa0725608fb..2c9a030c559 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -9,6 +9,7 @@
* (at your option) any later version.
*/
+#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -191,6 +192,48 @@ static inline void omap_init_spi100k(void)
}
#endif
+
+#define OMAP1_CAMERA_BASE 0xfffb6800
+#define OMAP1_CAMERA_IOSIZE 0x1c
+
+static struct resource omap1_camera_resources[] = {
+ [0] = {
+ .start = OMAP1_CAMERA_BASE,
+ .end = OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = INT_CAMERA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device omap1_camera_device = {
+ .name = "omap1-camera",
+ .id = 0, /* This is used to put cameras on this interface */
+ .dev = {
+ .dma_mask = &omap1_camera_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(omap1_camera_resources),
+ .resource = omap1_camera_resources,
+};
+
+void __init omap1_camera_init(void *info)
+{
+ struct platform_device *dev = &omap1_camera_device;
+ int ret;
+
+ dev->dev.platform_data = info;
+
+ ret = platform_device_register(dev);
+ if (ret)
+ dev_err(&dev->dev, "unable to register device: %d\n", ret);
+}
+
+
/*-------------------------------------------------------------------------*/
static inline void omap_init_sti(void) {}
diff --git a/arch/arm/mach-omap1/include/mach/camera.h b/arch/arm/mach-omap1/include/mach/camera.h
new file mode 100644
index 00000000000..fd54b452eb2
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/camera.h
@@ -0,0 +1,11 @@
+#ifndef __ASM_ARCH_CAMERA_H_
+#define __ASM_ARCH_CAMERA_H_
+
+void omap1_camera_init(void *);
+
+static inline void omap1_set_camera_info(struct omap1_cam_platform_data *info)
+{
+ omap1_camera_init(info);
+}
+
+#endif /* __ASM_ARCH_CAMERA_H_ */
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index d70b58002d2..1d7d70ae7cb 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -243,6 +243,7 @@ static struct omap2_hsmmc_info mmc[] = {
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.nonremovable = true,
+ .ocr_mask = MMC_VDD_29_30,
},
{} /* Terminator */
};
@@ -276,8 +277,14 @@ static int omap4_twl6030_hsmmc_late_init(struct device *dev)
static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
{
- struct omap_mmc_platform_data *pdata = dev->platform_data;
+ struct omap_mmc_platform_data *pdata;
+ /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
+ if (!dev) {
+ pr_err("Failed %s\n", __func__);
+ return;
+ }
+ pdata = dev->platform_data;
pdata->init = omap4_twl6030_hsmmc_late_init;
}
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 2d2e6fc127a..7192635161c 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -34,6 +34,7 @@
#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
+#include <linux/regulator/fixed.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -345,6 +346,9 @@ static struct regulator_consumer_supply pandora_vmmc1_supply =
static struct regulator_consumer_supply pandora_vmmc2_supply =
REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
+static struct regulator_consumer_supply pandora_vmmc3_supply =
+ REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.2");
+
static struct regulator_consumer_supply pandora_vdda_dac_supply =
REGULATOR_SUPPLY("vdda_dac", "omapdss");
@@ -489,6 +493,33 @@ static struct regulator_init_data pandora_vsim = {
.consumer_supplies = &pandora_adac_supply,
};
+/* Fixed regulator internal to Wifi module */
+static struct regulator_init_data pandora_vmmc3 = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &pandora_vmmc3_supply,
+};
+
+static struct fixed_voltage_config pandora_vwlan = {
+ .supply_name = "vwlan",
+ .microvolts = 1800000, /* 1.8V */
+ .gpio = PANDORA_WIFI_NRESET_GPIO,
+ .startup_delay = 50000, /* 50ms */
+ .enable_high = 1,
+ .enabled_at_boot = 0,
+ .init_data = &pandora_vmmc3,
+};
+
+static struct platform_device pandora_vwlan_device = {
+ .name = "reg-fixed-voltage",
+ .id = 1,
+ .dev = {
+ .platform_data = &pandora_vwlan,
+ },
+};
+
static struct twl4030_usb_data omap3pandora_usb_data = {
.usb_mode = T2_USB_MODE_ULPI,
};
@@ -502,6 +533,8 @@ static struct twl4030_codec_data omap3pandora_codec_data = {
.audio = &omap3pandora_audio_data,
};
+static struct twl4030_bci_platform_data pandora_bci_data;
+
static struct twl4030_platform_data omap3pandora_twldata = {
.irq_base = TWL4030_IRQ_BASE,
.irq_end = TWL4030_IRQ_END,
@@ -517,6 +550,7 @@ static struct twl4030_platform_data omap3pandora_twldata = {
.vaux4 = &pandora_vaux4,
.vsim = &pandora_vsim,
.keypad = &pandora_kp_data,
+ .bci = &pandora_bci_data,
};
static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
@@ -645,19 +679,8 @@ static void pandora_wl1251_init(void)
if (pandora_wl1251_pdata.irq < 0)
goto fail_irq;
- ret = gpio_request(PANDORA_WIFI_NRESET_GPIO, "wl1251 nreset");
- if (ret < 0)
- goto fail_irq;
-
- /* start powered so that it probes with MMC subsystem */
- ret = gpio_direction_output(PANDORA_WIFI_NRESET_GPIO, 1);
- if (ret < 0)
- goto fail_nreset;
-
return;
-fail_nreset:
- gpio_free(PANDORA_WIFI_NRESET_GPIO);
fail_irq:
gpio_free(PANDORA_WIFI_IRQ_GPIO);
fail:
@@ -669,6 +692,7 @@ static struct platform_device *omap3pandora_devices[] __initdata = {
&pandora_keys_gpio,
&pandora_dss_device,
&pandora_wl1251_data,
+ &pandora_vwlan_device,
};
static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 9e5d51bee94..9bd4b345245 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -817,13 +817,13 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
case 3:
if (!cpu_is_omap44xx())
return;
- base = OMAP4_MMC4_BASE + OMAP4_MMC_REG_OFFSET;
+ base = OMAP4_MMC4_BASE;
irq = OMAP44XX_IRQ_MMC4;
break;
case 4:
if (!cpu_is_omap44xx())
return;
- base = OMAP4_MMC5_BASE + OMAP4_MMC_REG_OFFSET;
+ base = OMAP4_MMC5_BASE;
irq = OMAP44XX_IRQ_MMC5;
break;
default:
@@ -834,10 +834,8 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
size = OMAP2420_MMC_SIZE;
name = "mmci-omap";
} else if (cpu_is_omap44xx()) {
- if (i < 3) {
- base += OMAP4_MMC_REG_OFFSET;
+ if (i < 3)
irq += OMAP44XX_IRQ_GIC_START;
- }
size = OMAP4_HSMMC_SIZE;
name = "mmci-omap-hs";
} else {
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index eb92b8107d2..ab78a5a8d9b 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -266,6 +266,10 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
mmc->slots[0].caps = c->caps;
mmc->slots[0].internal_clock = !c->ext_clock;
mmc->dma_mask = 0xffffffff;
+ if (cpu_is_omap44xx())
+ mmc->reg_offset = OMAP4_MMC_REG_OFFSET;
+ else
+ mmc->reg_offset = 0;
mmc->get_context_loss_count = hsmmc_get_context_loss;
@@ -303,6 +307,9 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
else
mmc->slots[0].features |= HSMMC_HAS_PBIAS;
+ if (cpu_is_omap44xx() && (omap_rev() > OMAP4430_REV_ES1_0))
+ mmc->slots[0].features |= HSMMC_HAS_UPDATED_RESET;
+
switch (c->mmc) {
case 1:
if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 0412233da2b..04a2fa240bc 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -385,30 +385,54 @@ static void __init omap3_cpuinfo(void)
strcpy(cpu_name, "OMAP3503");
}
- switch (rev) {
- case OMAP_REVBITS_00:
- strcpy(cpu_rev, "1.0");
- break;
- case OMAP_REVBITS_01:
- strcpy(cpu_rev, "1.1");
- break;
- case OMAP_REVBITS_02:
- strcpy(cpu_rev, "1.2");
- break;
- case OMAP_REVBITS_10:
- strcpy(cpu_rev, "2.0");
- break;
- case OMAP_REVBITS_20:
- strcpy(cpu_rev, "2.1");
- break;
- case OMAP_REVBITS_30:
- strcpy(cpu_rev, "3.0");
- break;
- case OMAP_REVBITS_40:
- /* FALLTHROUGH */
- default:
- /* Use the latest known revision as default */
- strcpy(cpu_rev, "3.1");
+ if (cpu_is_omap3630()) {
+ switch (rev) {
+ case OMAP_REVBITS_00:
+ strcpy(cpu_rev, "1.0");
+ break;
+ case OMAP_REVBITS_01:
+ strcpy(cpu_rev, "1.1");
+ break;
+ case OMAP_REVBITS_02:
+ /* FALLTHROUGH */
+ default:
+ /* Use the latest known revision as default */
+ strcpy(cpu_rev, "1.2");
+ }
+ } else if (cpu_is_omap3505() || cpu_is_omap3517()) {
+ switch (rev) {
+ case OMAP_REVBITS_00:
+ strcpy(cpu_rev, "1.0");
+ break;
+ case OMAP_REVBITS_01:
+ /* FALLTHROUGH */
+ default:
+ /* Use the latest known revision as default */
+ strcpy(cpu_rev, "1.1");
+ }
+ } else {
+ switch (rev) {
+ case OMAP_REVBITS_00:
+ strcpy(cpu_rev, "1.0");
+ break;
+ case OMAP_REVBITS_01:
+ strcpy(cpu_rev, "2.0");
+ break;
+ case OMAP_REVBITS_02:
+ strcpy(cpu_rev, "2.1");
+ break;
+ case OMAP_REVBITS_03:
+ strcpy(cpu_rev, "3.0");
+ break;
+ case OMAP_REVBITS_04:
+ strcpy(cpu_rev, "3.1");
+ break;
+ case OMAP_REVBITS_05:
+ /* FALLTHROUGH */
+ default:
+ /* Use the latest known revision as default */
+ strcpy(cpu_rev, "3.1.2");
+ }
}
/* Print verbose information */
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 6c2f8f0c0ed..e33740c091b 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -127,17 +127,16 @@ int __init omap_mux_init_gpio(int gpio, int val)
return 0;
}
-int __init omap_mux_init_signal(char *muxname, int val)
+int __init omap_mux_init_signal(const char *muxname, int val)
{
struct omap_mux_entry *e;
- char *m0_name = NULL, *mode_name = NULL;
- int found = 0;
+ const char *mode_name;
+ int found = 0, mode0_len = 0;
mode_name = strchr(muxname, '.');
if (mode_name) {
- *mode_name = '\0';
+ mode0_len = strlen(muxname) - strlen(mode_name);
mode_name++;
- m0_name = muxname;
} else {
mode_name = muxname;
}
@@ -147,9 +146,11 @@ int __init omap_mux_init_signal(char *muxname, int val)
char *m0_entry = m->muxnames[0];
int i;
- if (m0_name && strcmp(m0_name, m0_entry))
+ /* First check for full name in mode0.muxmode format */
+ if (mode0_len && strncmp(muxname, m0_entry, mode0_len))
continue;
+ /* Then check for muxmode only */
for (i = 0; i < OMAP_MUX_NR_MODES; i++) {
char *mode_cur = m->muxnames[i];
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index a8e040c2c7e..350c04f2738 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -120,7 +120,7 @@ int omap_mux_init_gpio(int gpio, int val);
* @muxname: Mux name in mode0_name.signal_name format
* @val: Options for the mux register value
*/
-int omap_mux_init_signal(char *muxname, int val);
+int omap_mux_init_signal(const char *muxname, int val);
#else
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 9b38e4bddf5..3fd8b405572 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -68,10 +68,9 @@ unsigned int omap_rev(void);
#define OMAP_REVBITS_00 0x00
#define OMAP_REVBITS_01 0x01
#define OMAP_REVBITS_02 0x02
-#define OMAP_REVBITS_10 0x10
-#define OMAP_REVBITS_20 0x20
-#define OMAP_REVBITS_30 0x30
-#define OMAP_REVBITS_40 0x40
+#define OMAP_REVBITS_03 0x03
+#define OMAP_REVBITS_04 0x04
+#define OMAP_REVBITS_05 0x05
/*
* Get the CPU revision for OMAP devices
@@ -363,23 +362,24 @@ IS_OMAP_TYPE(3517, 0x3517)
/* Various silicon revisions for omap2 */
#define OMAP242X_CLASS 0x24200024
-#define OMAP2420_REV_ES1_0 0x24200024
-#define OMAP2420_REV_ES2_0 0x24201024
+#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
+#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (OMAP_REVBITS_01 << 8))
#define OMAP243X_CLASS 0x24300024
-#define OMAP2430_REV_ES1_0 0x24300024
+#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
#define OMAP343X_CLASS 0x34300034
-#define OMAP3430_REV_ES1_0 0x34300034
-#define OMAP3430_REV_ES2_0 0x34301034
-#define OMAP3430_REV_ES2_1 0x34302034
-#define OMAP3430_REV_ES3_0 0x34303034
-#define OMAP3430_REV_ES3_1 0x34304034
-#define OMAP3430_REV_ES3_1_2 0x34305034
-
-#define OMAP3630_REV_ES1_0 0x36300034
-#define OMAP3630_REV_ES1_1 0x36300134
-#define OMAP3630_REV_ES1_2 0x36300234
+#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
+#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (OMAP_REVBITS_01 << 8))
+#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (OMAP_REVBITS_02 << 8))
+#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (OMAP_REVBITS_03 << 8))
+#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (OMAP_REVBITS_04 << 8))
+#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (OMAP_REVBITS_05 << 8))
+
+#define OMAP363X_CLASS 0x36300034
+#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
+#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (OMAP_REVBITS_01 << 8))
+#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (OMAP_REVBITS_02 << 8))
#define OMAP35XX_CLASS 0x35000034
#define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8))
@@ -390,7 +390,7 @@ IS_OMAP_TYPE(3517, 0x3517)
#define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8))
#define OMAP443X_CLASS 0x44300044
-#define OMAP4430_REV_ES1_0 0x44300044
+#define OMAP4430_REV_ES1_0 OMAP443X_CLASS
#define OMAP4430_REV_ES2_0 0x44301044
/*
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index c5f35f87dea..f57f36abb07 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -71,6 +71,9 @@ struct omap_mmc_platform_data {
u64 dma_mask;
+ /* Register offset deviation */
+ u16 reg_offset;
+
struct omap_mmc_slot_data {
/*
@@ -106,6 +109,7 @@ struct omap_mmc_platform_data {
/* we can put the features above into this variable */
#define HSMMC_HAS_PBIAS (1 << 0)
+#define HSMMC_HAS_UPDATED_RESET (1 << 1)
unsigned features;
int switch_pin; /* gpio (card detect) */
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 53f8fa599cf..4693e62145a 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -364,6 +364,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
{
struct regulator *reg;
int ret = 0;
+ int ocr_value = 0;
switch (host->id) {
case OMAP_MMC1_DEVID:
@@ -396,6 +397,17 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
}
} else {
host->vcc = reg;
+ ocr_value = mmc_regulator_get_ocrmask(reg);
+ if (!mmc_slot(host).ocr_mask) {
+ mmc_slot(host).ocr_mask = ocr_value;
+ } else {
+ if (!(mmc_slot(host).ocr_mask & ocr_value)) {
+ pr_err("MMC%d ocrmask %x is not supported\n",
+ host->id, mmc_slot(host).ocr_mask);
+ mmc_slot(host).ocr_mask = 0;
+ return -EINVAL;
+ }
+ }
mmc_slot(host).ocr_mask = mmc_regulator_get_ocrmask(reg);
/* Allow an aux regulator */
@@ -982,6 +994,17 @@ static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
OMAP_HSMMC_WRITE(host->base, SYSCTL,
OMAP_HSMMC_READ(host->base, SYSCTL) | bit);
+ /*
+ * OMAP4 ES2 and greater has an updated reset logic.
+ * Monitor a 0->1 transition first
+ */
+ if (mmc_slot(host).features & HSMMC_HAS_UPDATED_RESET) {
+ while ((!(OMAP_HSMMC_READ(host, SYSCTL) & bit))
+ && (i++ < limit))
+ cpu_relax();
+ }
+ i = 0;
+
while ((OMAP_HSMMC_READ(host->base, SYSCTL) & bit) &&
(i++ < limit))
cpu_relax();
@@ -2003,6 +2026,8 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
if (res == NULL || irq < 0)
return -ENXIO;
+ res->start += pdata->reg_offset;
+ res->end += pdata->reg_offset;
res = request_mem_region(res->start, res->end - res->start + 1,
pdev->name);
if (res == NULL)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-31 05:37:37 +0000