d710: initial support for the Epic 4G Touch (SPH-D710)

Change-Id: Iafbd9fb45253b02d539ac0ba114f57b3bf9eeed4

9 files changed, 385 insertions, 16 deletions

diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 65bf807..70025c6 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -84,6 +84,9 @@ endif
 else
 obj-$(CONFIG_MACH_U1_BD)		+= u1-gpio.o
 endif
+ifeq ($(CONFIG_MACH_U1_NA_SPR),y)
+obj-$(CONFIG_MACH_U1)			+= dev-c1-phone.o
+endif
 obj-$(CONFIG_MACH_Q1_BD)		+= q1-gpio.o board-gps-bcm475x.o
 obj-$(CONFIG_MACH_U1)			+= u1-wlan.o
 obj-$(CONFIG_MACH_PX)			+= mach-px.o sec-common.o board-gps-bcm475x.o px-switch.o
diff --git a/arch/arm/mach-exynos/cpuidle-exynos4.c b/arch/arm/mach-exynos/cpuidle-exynos4.c
index 08c5b05..3bfc3fb 100644
--- a/arch/arm/mach-exynos/cpuidle-exynos4.c
+++ b/arch/arm/mach-exynos/cpuidle-exynos4.c
@@ -341,10 +341,12 @@ static int check_usb_op(void)
 #endif
 }
 
-#ifdef CONFIG_SND_SAMSUNG_RP
-#if defined(CONFIG_MACH_U1_NA_SPR)
+#if defined (CONFIG_MACH_U1_NA_SPR) || (CONFIG_MACH_U1_NA_USCC)
 #include "../../../sound/soc/samsung/srp-types.h"
+#include "../../../sound/soc/samsung/idma.h"
 #endif
+
+#ifdef CONFIG_SND_SAMSUNG_RP
 extern int srp_get_op_level(void);	/* By srp driver */
 #endif
 
@@ -370,17 +372,33 @@ static inline int check_gps_uart_op(void)
 	return gps_is_running;
 }
 
-#ifdef CONFIG_INTERNAL_MODEM_IF
+#if defined(CONFIG_INTERNAL_MODEM_IF) || defined(CONFIG_SAMSUNG_PHONE_TTY)
 static int check_idpram_op(void)
 {
 	/* This pin is high when CP might be accessing dpram */
+#ifdef CONFIG_MACH_U1_NA_SPR
+	int cp_int = __raw_readl(S5P_VA_GPIO2 + 0xC24) & 4;
+#else
 	int cp_int = gpio_get_value(GPIO_CP_AP_DPRAM_INT);
+#endif
 	if (cp_int != 0)
 		pr_info("%s cp_int is high.\n", __func__);
 	return cp_int;
 }
 #endif
 
+#if defined(CONFIG_ISDBT)
+static int check_isdbt_op(void)
+{
+	/* This pin is high when isdbt is working */
+	int isdbt_is_running = gpio_get_value(GPIO_ISDBT_EN);
+
+	if (isdbt_is_running != 0)
+		printk(KERN_INFO "isdbt_is_running is high\n");
+	return isdbt_is_running;
+}
+#endif
+
 static atomic_t sromc_use_count;
 
 void set_sromc_access(bool access)
@@ -410,21 +428,28 @@ static int exynos4_check_operation(void)
 #ifdef CONFIG_SND_SAMSUNG_RP
 	if (srp_get_op_level())
 		return 1;
-#if defined(CONFIG_MACH_U1_NA_SPR)
+#endif
+
+#if defined (CONFIG_MACH_U1_NA_SPR) || (CONFIG_MACH_U1_NA_USCC)
+#ifdef CONFIG_SND_SAMSUNG_RP
 	if (!srp_get_status(IS_RUNNING))
 		return 1;
+#elif defined(CONFIG_SND_SAMSUNG_ALP)
+	if (!idma_is_running())
+		return 1;
 #endif
 #endif
+
 	if (check_usb_op())
 		return 1;
 
-#if defined(CONFIG_BT)
-	if (check_bt_op())
+#if defined(CONFIG_ISDBT)
+	if (check_isdbt_op())
 		return 1;
 #endif
 
-#ifdef CONFIG_INTERNAL_MODEM_IF
-	if (check_idpram_op())
+#if defined(CONFIG_BT)
+	if (check_bt_op())
 		return 1;
 #endif
 
@@ -439,6 +464,10 @@ static int exynos4_check_operation(void)
 		return 1;
 	}
 
+#ifdef CONFIG_INTERNAL_MODEM_IF
+	if (check_idpram_op())
+		return 1;
+#endif
 	return 0;
 }
 
@@ -634,7 +663,7 @@ static int exynos4_enter_core0_lpa(struct cpuidle_device *dev,
 #endif
 	local_irq_disable();
 
-#ifdef CONFIG_INTERNAL_MODEM_IF
+#if defined(CONFIG_INTERNAL_MODEM_IF) || defined(CONFIG_SAMSUNG_PHONE_TTY)
 	gpio_set_value(GPIO_PDA_ACTIVE, 0);
 #endif
 
@@ -730,7 +759,7 @@ early_wakeup:
 
 	if (log_en)
 		pr_info("---lpa\n");
-#ifdef CONFIG_INTERNAL_MODEM_IF
+#if defined(CONFIG_INTERNAL_MODEM_IF) || defined(CONFIG_SAMSUNG_PHONE_TTY)
 	gpio_set_value(GPIO_PDA_ACTIVE, 1);
 #endif
 
diff --git a/arch/arm/mach-exynos/dev-c1-phone.c b/arch/arm/mach-exynos/dev-c1-phone.c
new file mode 100644
index 0000000..94be259
--- /dev/null
+++ b/arch/arm/mach-exynos/dev-c1-phone.c
@@ -0,0 +1,74 @@
+/* linux/arch/arm/mach-s5pv310/dev-herring-phone.c
+ * Copyright (C) 2010 Samsung Electronics. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+
+#include <linux/tty.h>
+#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
+
+#include <mach/map.h>
+#include <mach/gpio.h>
+
+#include "../../../drivers/dpram/raffaello/dpram.h"
+#include "u1.h"
+
+
+static int c1_is_bootmode_recovery;
+static int setup_bootmode(char *str)
+{
+	printk(KERN_INFO "%s : %s\n", __func__, str);
+
+	c1_is_bootmode_recovery = 0;
+
+	if (str)
+		if ((*str == '2') || (*str == '4'))
+			c1_is_bootmode_recovery = 1;
+
+	printk(KERN_INFO "c1_is_bootmode_recovery = %d\n", c1_is_bootmode_recovery);
+	
+	return c1_is_bootmode_recovery;
+}
+
+__setup("bootmode=", setup_bootmode);
+
+
+
+struct platform_device sec_device_dpram = {
+	.name = "dpram-device",
+	.id   = -1,
+};
+
+struct platform_device sec_device_dpram_recovery = {
+	.name = "dpram-recovery",
+	.id   = -1,
+};
+
+
+static int __init c1_init_phone_interface(void)
+{
+#if defined(CONFIG_SAMSUNG_PHONE_TTY)
+	if (c1_is_bootmode_recovery){
+		printk(KERN_INFO "c1_init_phone_interface - RECOVERY");
+		platform_device_register(&sec_device_dpram_recovery);
+	}else{
+		printk(KERN_INFO "c1_init_phone_interface");
+		platform_device_register(&sec_device_dpram);
+	}
+#endif
+	return 0;
+}
+device_initcall(c1_init_phone_interface);
diff --git a/arch/arm/mach-exynos/include/mach/gpio-u1.h b/arch/arm/mach-exynos/include/mach/gpio-u1.h
index f077824..851f4f2 100644
--- a/arch/arm/mach-exynos/include/mach/gpio-u1.h
+++ b/arch/arm/mach-exynos/include/mach/gpio-u1.h
@@ -260,11 +260,17 @@
 #define S5PV310_GPE4_6_MDM_DATA_14      EXYNOS4210_GPE4(6)
 #define S5PV310_GPE4_7_MDM_DATA_15      EXYNOS4210_GPE4(7)
 
+#define S5PV310_MDM_IF_SEL		2
+
 #define GPIO_QSC_PHONE_ON               EXYNOS4_GPC1(1)
 #define GPIO_QSC_PHONE_RST              EXYNOS4_GPX1(4)
 #define GPIO_QSC_PHONE_ACTIVE           EXYNOS4_GPX1(6)
 #define IRQ_QSC_PHONE_ACTIVE		GPIO_QSC_PHONE_ACTIVE
 #define GPIO_C210_DPRAM_INT_N           EXYNOS4_GPX1(0)
+
+#define GPIO_DPRAM_INT_CP_N		S5PV310_GPE0_3_MDM_IRQn
+
+#define GPIO_PDA_ACTIVE			EXYNOS4_GPY4(2)
 #endif
 /* End */
 
diff --git a/arch/arm/mach-exynos/mach-u1.c b/arch/arm/mach-exynos/mach-u1.c
index 88dccdd..59cb0bc 100644
--- a/arch/arm/mach-exynos/mach-u1.c
+++ b/arch/arm/mach-exynos/mach-u1.c
@@ -395,6 +395,9 @@ static int m5mo_power_on(void)
 
 	/* VT_CORE_1.5V */
 	ret = gpio_direction_output(GPIO_VT_CAM_15V, 1);
+#ifdef CONFIG_TARGET_LOCALE_NA
+	s3c_gpio_setpull(GPIO_VT_CAM_15V, S3C_GPIO_PULL_NONE);
+#endif /* CONFIG_TARGET_LOCALE_NA */
 	CAM_CHECK_ERR_RET(ret, "output VT_CAM_1.5V");
 	udelay(20);
 
@@ -836,12 +839,26 @@ static int m5mo_power(int enable)
 
 	printk(KERN_DEBUG "%s %s\n", __func__, enable ? "on" : "down");
 	if (enable) {
+#if defined(CONFIG_TARGET_LOCALE_NA)
+		exynos_cpufreq_lock(DVFS_LOCK_ID_CAM, 1);
 		ret = m5mo_power_on();
+		exynos_cpufreq_lock_free(DVFS_LOCK_ID_CAM);
+#else
+
+		ret = m5mo_power_on();
+#endif
 		if (unlikely(ret))
 			goto error_out;
-	} else
+	} else {
+#if defined(CONFIG_TARGET_LOCALE_NA)
+		exynos_cpufreq_lock(DVFS_LOCK_ID_CAM, 1);
 		ret = m5mo_power_down();
+		exynos_cpufreq_lock_free(DVFS_LOCK_ID_CAM);
+#else
 
+		ret = m5mo_power_down();
+#endif
+	}
 	ret = s3c_csis_power(enable);
 	m5mo_flash_power(enable);
 
@@ -3943,6 +3960,10 @@ static void u1_sound_init(void)
 		return;
 	}
 	gpio_direction_output(GPIO_MIC_BIAS_EN, 1);
+#ifdef CONFIG_TARGET_LOCALE_NA
+	s3c_gpio_setpull(GPIO_MIC_BIAS_EN, S3C_GPIO_PULL_NONE);
+#endif /* CONFIG_TARGET_LOCALE_NA */
+
 	gpio_set_value(GPIO_MIC_BIAS_EN, 0);
 	gpio_free(GPIO_MIC_BIAS_EN);
 
@@ -3952,6 +3973,10 @@ static void u1_sound_init(void)
 		return;
 	}
 	gpio_direction_output(GPIO_EAR_MIC_BIAS_EN, 1);
+#ifdef CONFIG_TARGET_LOCALE_NA
+	s3c_gpio_setpull(GPIO_EAR_MIC_BIAS_EN, S3C_GPIO_PULL_NONE);
+#endif /* CONFIG_TARGET_LOCALE_NA */
+
 	gpio_set_value(GPIO_EAR_MIC_BIAS_EN, 0);
 	gpio_free(GPIO_EAR_MIC_BIAS_EN);
 
@@ -3973,6 +3998,10 @@ static void u1_sound_init(void)
 			return;
 		}
 		gpio_direction_output(GPIO_SUB_MIC_BIAS_EN, 0);
+#ifdef CONFIG_TARGET_LOCALE_NA
+		s3c_gpio_setpull(GPIO_SUB_MIC_BIAS_EN, S3C_GPIO_PULL_NONE);
+#endif /* CONFIG_TARGET_LOCALE_NA */
+
 		gpio_free(GPIO_SUB_MIC_BIAS_EN);
 	}
 #endif /* #if defined(CONFIG_MACH_Q1_BD) */
@@ -4575,6 +4604,94 @@ static struct sec_bat_adc_table_data temper_table_ADC7[] =  {
 	{ 1669,	 -60 },
 	{ 1688,	 -70 },
 };
+#endif
+/* temperature table for ADC 7 */
+#ifdef CONFIG_TARGET_LOCALE_NA
+static struct sec_bat_adc_table_data  temper_table_ADC7[] =  {
+	{  145,  670 },
+	{  165,  660 },
+	{  185,  650 },
+	{  205,  640 },
+	{  225,  630 },
+	{  245,  620 },
+	{  265,  610 },
+	{  285,  600 },
+	{  305,  590 },
+	{  325,  580 },
+	{  345,  570 },
+	{  365,  560 },
+	{  385,  550 },
+	{  405,  540 },
+	{  425,  530 },
+	{  445,  520 },
+	{  465,  510 },
+	{  485,  500 },
+	{  505,  490 },
+	{  525,  480 },
+	{  545,  470 },
+	{  565,  460 },
+	{  585,  450 },
+	{  605,  440 },
+	{  625,  430 },
+	{  645,  420 },
+	{  665,  410 },
+	{  685,  400 },
+	{  705,  390 },
+	{  725,  380 },
+	{  745,  370 },
+	{  765,  360 },
+	{  785,  350 },
+	{  805,  340 },
+	{  825,  330 },
+	{  845,  320 },
+	{  865,  310 },
+	{  885,  300 },
+	{  905,  290 },
+	{  925,  280 },
+	{  945,  270 },
+	{  965,  260 },
+	{  995,  250 },
+	{ 1015,  240 },
+	{ 1045,  230 },
+	{ 1065,  220 },
+	{ 1085,  210 },
+	{ 1105,  200 },
+	{ 1125,  190 },
+	{ 1145,  180 },
+	{ 1165,  170 },
+	{ 1185,  160 },
+	{ 1205,  150 },
+	{ 1225,  140 },
+	{ 1245,  130 },
+	{ 1265,  120 },
+	{ 1285,  110 },
+	{ 1305,  100 },
+	{ 1335,   90 },
+	{ 1365,   80 },
+	{ 1395,   70 },
+	{ 1425,   60 },
+	{ 1455,   50 },
+	{ 1475,   40 },
+	{ 1495,   30 },
+	{ 1515,   20 },
+	{ 1535,   10 },
+	{ 1545,    0 },
+	{ 1555,  -10 },
+	{ 1565,  -20 },
+	{ 1575,  -30 },
+	{ 1585,  -40 },
+	{ 1595,  -50 },
+	{ 1605,  -60 },
+	{ 1615,  -70 },
+	{ 1625,  -80 },
+	{ 1635,  -90 },
+	{ 1645,  -100 },
+	{ 1655,  -110 },
+	{ 1665,  -120 },
+	{ 1675,  -130 },
+	{ 1685,  -140 },
+};
+
 #else
 /* temperature table for ADC 7 */
 static struct sec_bat_adc_table_data temper_table_ADC7[] = {
@@ -5186,7 +5303,7 @@ static struct sec_jack_buttons_zone sec_jack_buttons_zones[] = {
 		/* 0 <= adc <=170, stable zone */
 		.code = KEY_MEDIA,
 		.adc_low = 0,
-#if defined(CONFIG_TARGET_LOCALE_NTT)
+#if defined(CONFIG_TARGET_LOCALE_NTT) || defined(CONFIG_TARGET_LOCALE_NA)
 		.adc_high = 150,
 #else
 		.adc_high = 170,
@@ -5195,7 +5312,7 @@ static struct sec_jack_buttons_zone sec_jack_buttons_zones[] = {
 	{
 		/* 171 <= adc <= 370, stable zone */
 		.code = KEY_VOLUMEUP,
-#if defined(CONFIG_TARGET_LOCALE_NTT)
+#if defined(CONFIG_TARGET_LOCALE_NTT) || defined(CONFIG_TARGET_LOCALE_NA)
 		.adc_low = 151,
 #else
 		.adc_low = 171,
@@ -5460,7 +5577,11 @@ static const u8 *mxt224_config[] = {
 #define MXT224E_THRESHOLD_BATT		40
 #define MXT224E_T48_THRESHOLD_BATT		28
 #define MXT224E_THRESHOLD_CHRG		37
+#if defined(CONFIG_MACH_U1_NA_SPR)
+#define MXT224E_CALCFG_BATT		0x72
+#else
 #define MXT224E_CALCFG_BATT		0x42
+#endif
 #define MXT224E_CALCFG_CHRG		0x52
 #if defined(CONFIG_TARGET_LOCALE_NA)
 #define MXT224E_ATCHFRCCALTHR_NORMAL		45
@@ -7167,8 +7288,9 @@ static struct platform_device *smdkc210_devices[] __initdata = {
 	&exynos4_device_pd[PD_LCD1],
 	&exynos4_device_pd[PD_CAM],
 	&exynos4_device_pd[PD_TV],
+#ifndef CONFIG_TARGET_LOCALE_NA
 	&exynos4_device_pd[PD_GPS],
-
+#endif /* CONFIG_TARGET_LOCALE_NA */
 #if defined(CONFIG_WIMAX_CMC)
 	&s3c_device_cmc732,
 #endif
diff --git a/arch/arm/mach-exynos/sec-reboot.c b/arch/arm/mach-exynos/sec-reboot.c
index 593624b..b3c0b0a 100644
--- a/arch/arm/mach-exynos/sec-reboot.c
+++ b/arch/arm/mach-exynos/sec-reboot.c
@@ -8,6 +8,9 @@
 
 /* charger cable state */
 extern bool is_cable_attached;
+#ifdef CONFIG_MACH_U1_NA_SPR
+static void cdma_wimax_chk_modem_pwroff(void);
+#endif
 static void sec_power_off(void)
 {
 	int poweroff_try = 0;
@@ -17,6 +20,9 @@ static void sec_power_off(void)
 	pr_emerg("%s : cable state=%d\n", __func__, is_cable_attached);
 
 	while (1) {
+#ifdef CONFIG_MACH_U1_NA_SPR
+		cdma_wimax_chk_modem_pwroff();
+#endif
 		/* Check reboot charging */
 		if (is_cable_attached || (poweroff_try >= 5)) {
 			pr_emerg
@@ -70,6 +76,34 @@ static void sec_power_off(void)
 #define REBOOT_SET_SWSEL	0x000e0000
 #define REBOOT_SET_SUD		0x000f0000
 
+#ifdef CONFIG_MACH_U1_NA_SPR
+static void cdma_wimax_chk_modem_pwroff(void)
+{
+	int phone_wait_cnt = 0;
+
+	pr_emerg("%s\n", __func__);
+
+	/* phone power off */
+	gpio_direction_output(GPIO_QSC_PHONE_ON, GPIO_LEVEL_LOW);
+
+	/*  confirm phone off */
+	while (1) {
+		if (gpio_get_value(GPIO_QSC_PHONE_ACTIVE)) {
+			printk(KERN_ALERT"Try to Turn Phone Off by CP_RST\n");
+			gpio_set_value(GPIO_QSC_PHONE_RST, 0);
+			if (phone_wait_cnt > 10) {
+				pr_emerg("%s: PHONE OFF Failed\n", __func__);
+				break;
+			}
+			phone_wait_cnt++;
+			mdelay(100);
+		} else {
+			pr_emerg("%s: PHONE OFF Success\n", __func__);
+			break;
+		}
+	}
+}
+#endif
 static void sec_reboot(char str, const char *cmd)
 {
 	local_irq_disable();
diff --git a/arch/arm/mach-exynos/sec-switch_max8997.c b/arch/arm/mach-exynos/sec-switch_max8997.c
index 3d05864..f6a8526 100644
--- a/arch/arm/mach-exynos/sec-switch_max8997.c
+++ b/arch/arm/mach-exynos/sec-switch_max8997.c
@@ -128,6 +128,64 @@ static ssize_t u1_switch_store_vbus(struct device *dev,
 DEVICE_ATTR(disable_vbus, 0664, u1_switch_show_vbus,
 	    u1_switch_store_vbus);
 
+#if defined(CONFIG_TARGET_LOCALE_NA)
+#define USB_PATH_AP	0
+#define USB_PATH_CP	1
+#define USB_PATH_ALL	2
+static int hub_usb_path;
+
+int u1_get_usb_hub_path(void)
+{
+	return hub_usb_path;
+}
+EXPORT_SYMBOL_GPL(u1_get_usb_hub_path);
+
+static ssize_t u1_switch_show_usb_path(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	int i;
+
+	switch (hub_usb_path) {
+	case USB_PATH_AP:
+		i = sprintf(buf, "USB_PATH: AP\n");
+		break;
+	case USB_PATH_CP:
+		i = sprintf(buf, "USB_PATH: CP\n");
+		break;
+	case USB_PATH_ALL:
+		i = sprintf(buf, "USB_PATH: ALL\n");
+		break;
+	default:
+		i = sprintf(buf, "USB_PATH: Unknown!\n");
+		break;
+	}
+
+	return i;
+}
+
+static ssize_t u1_switch_store_usb_path(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf, size_t count)
+{
+	if (!strncmp(buf, "AP", 2))
+		hub_usb_path = USB_PATH_AP;
+	else if (!strncmp(buf, "CP", 2))
+		hub_usb_path = USB_PATH_CP;
+	else if (!strncmp(buf, "ALL", 3))
+		hub_usb_path = USB_PATH_ALL;
+	else {
+		pr_warn("%s: Wrong command\n", __func__);
+		return count;
+	}
+	pr_info("%s: USB PATH = %d\n", __func__, hub_usb_path);
+
+	return count;
+}
+
+static DEVICE_ATTR(set_usb_path, 0664, u1_switch_show_usb_path,
+		   u1_switch_store_usb_path);
+#endif /* CONFIG_TARGET_LOCALE_NA */
+
 #ifdef CONFIG_TARGET_LOCALE_KOR
 #include "../../../drivers/usb/gadget/s3c_udc.h"
 /* usb access control for SEC DM */
diff --git a/arch/arm/mach-exynos/setup-fimc0.c b/arch/arm/mach-exynos/setup-fimc0.c
index 975412c..84eeb90 100644
--- a/arch/arm/mach-exynos/setup-fimc0.c
+++ b/arch/arm/mach-exynos/setup-fimc0.c
@@ -38,7 +38,7 @@ void s3c_fimc0_cfg_gpio(struct platform_device *pdev)
 		* FIELD */
 		s3c_gpio_cfgrange_nopull(EXYNOS4210_GPJ1(0), 5,
 					S3C_GPIO_SFN(2));
-#if !defined(CONFIG_MACH_P8LTE) || !defined(CONFIG_VIDEO_S5K5BBGX)
+#if !defined(CONFIG_MACH_P8LTE) && !defined(CONFIG_VIDEO_S5K5BBGX)
 		/* CAM B port(b0011) : DATA[0-7] */
 		s3c_gpio_cfgrange_nopull(EXYNOS4210_GPE1(0), 8,
 					S3C_GPIO_SFN(3));
@@ -74,7 +74,7 @@ void s3c_fimc0_cfg_gpio(struct platform_device *pdev)
 	s3c_gpio_cfgpin(EXYNOS4210_GPJ1(3), S3C_GPIO_INPUT);
 	s3c_gpio_setpull(EXYNOS4210_GPJ1(3), S3C_GPIO_PULL_DOWN);
 
-#if !defined(CONFIG_MACH_P8LTE)
+#if !defined(CONFIG_MACH_P8LTE) && !defined(CONFIG_MACH_U1_NA_SPR)
 	/* CAM B port(b0011) : DATA[0-7] */
 	s3c_gpio_cfgrange_nopull(EXYNOS4210_GPE1(0), 8, S3C_GPIO_SFN(3));
 	/* CAM B port(b0011) : PCLK, VSYNC, HREF, FIELD, CLKOUT */
diff --git a/arch/arm/mach-exynos/setup-sdhci-gpio.c b/arch/arm/mach-exynos/setup-sdhci-gpio.c
index 05d8ed1..00b95c2 100644
--- a/arch/arm/mach-exynos/setup-sdhci-gpio.c
+++ b/arch/arm/mach-exynos/setup-sdhci-gpio.c
@@ -23,6 +23,9 @@
 #include <plat/regs-sdhci.h>
 #include <plat/sdhci.h>
 
+extern int s3c_gpio_slp_cfgpin(unsigned int pin, unsigned int config);
+extern int s3c_gpio_slp_setpull_updown(unsigned int pin, unsigned int config);
+
 #if defined(CONFIG_ARCH_EXYNOS4)
 void exynos4_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
 {
@@ -155,6 +158,45 @@ void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
 	struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
 	unsigned int gpio;
 
+#if defined(CONFIG_WIMAX_CMC)
+	if (gpio_get_value(GPIO_WIMAX_EN)) {
+		for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV2);
+		}
+		for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+			s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV2);
+		}
+		for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
+			s3c_gpio_slp_cfgpin(gpio, S3C_GPIO_SLP_INPUT);
+			s3c_gpio_slp_setpull_updown(gpio, S3C_GPIO_PULL_NONE);
+		}
+		for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
+			s3c_gpio_slp_cfgpin(gpio, S3C_GPIO_SLP_INPUT);
+			s3c_gpio_slp_setpull_updown(gpio, S3C_GPIO_PULL_NONE);
+		}
+	} else {
+		for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_DOWN);
+		}
+		for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
+			s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0));
+			s3c_gpio_setpull(gpio, S3C_GPIO_PULL_DOWN);
+		}
+		for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
+			s3c_gpio_slp_cfgpin(gpio, S3C_GPIO_SLP_INPUT);
+			s3c_gpio_slp_setpull_updown(gpio, S3C_GPIO_PULL_DOWN);
+		}
+		for (gpio = EXYNOS4_GPK3(3); gpio <= EXYNOS4_GPK3(6); gpio++) {
+			s3c_gpio_slp_cfgpin(gpio, S3C_GPIO_SLP_INPUT);
+			s3c_gpio_slp_setpull_updown(gpio, S3C_GPIO_PULL_DOWN);
+		}
+	}
+#else
 	/* Set all the necessary GPK3[0:1] pins to special-function 2 */
 	for (gpio = EXYNOS4_GPK3(0); gpio < EXYNOS4_GPK3(2); gpio++) {
 		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
@@ -208,6 +250,7 @@ void exynos4_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
 		s3c_gpio_setpull(EXYNOS4_GPK3(2), S3C_GPIO_PULL_NONE);
 		s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV2);
 	}
+#endif
 }
 
 #endif /* CONFIG_ARCH_EXYNOS4 */