add support for target 3c24xx (more known as Openmoko GTA02 "Freerunner") and merge it with the openmoko-target and the work Michael Buesch <mb> did

SVN-Revision: 13609

1 files changed, 586 insertions, 0 deletions

diff --git a/target/linux/s3c24xx/patches/0029-gta02-power_control.patch.patch b/target/linux/s3c24xx/patches/0029-gta02-power_control.patch.patch
new file mode 100755
index 0000000000..27049690db
--- /dev/null
+++ b/target/linux/s3c24xx/patches/0029-gta02-power_control.patch.patch
@@ -0,0 +1,586 @@
+From 70a0c17968f5151ce4f468785860e04bbc7a9d3c Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Wed, 16 Jul 2008 14:46:56 +0100
+Subject: [PATCH] gta02-power_control.patch
+
+---
+ arch/arm/plat-s3c24xx/neo1973_pm_bt.c  |   84 +++++++++---
+ arch/arm/plat-s3c24xx/neo1973_pm_gps.c |  217 ++++++++++++++++++++++++--------
+ arch/arm/plat-s3c24xx/neo1973_pm_gsm.c |   97 ++++++++++++--
+ 3 files changed, 309 insertions(+), 89 deletions(-)
+
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
+index b1af441..d685ef7 100644
+--- a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
+@@ -19,7 +19,9 @@
+ #include <linux/pcf50606.h>
+ 
+ #include <asm/hardware.h>
++#include <asm/mach-types.h>
+ #include <asm/arch/gta01.h>
++#include <asm/arch/gta02.h>
+ 
+ #define DRVMSG "FIC Neo1973 Bluetooth Power Management"
+ 
+@@ -27,14 +29,30 @@ static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
+ 		       char *buf)
+ {
+ 	if (!strcmp(attr->attr.name, "power_on")) {
+-		if (pcf50606_onoff_get(pcf50606_global,
+-					PCF50606_REGULATOR_D1REG) &&
+-		    pcf50606_voltage_get(pcf50606_global,
+-					 PCF50606_REGULATOR_D1REG) == 3100)
+-			goto out_1;
++		switch (machine_arch_type) {
++		case MACH_TYPE_NEO1973_GTA01:
++			if (pcf50606_onoff_get(pcf50606_global,
++						PCF50606_REGULATOR_D1REG) &&
++			    pcf50606_voltage_get(pcf50606_global,
++						 PCF50606_REGULATOR_D1REG) == 3100)
++				goto out_1;
++			break;
++		case MACH_TYPE_NEO1973_GTA02:
++			if (s3c2410_gpio_getpin(GTA02_GPIO_BT_EN))
++				goto out_1;
++			break;
++		}
+ 	} else if (!strcmp(attr->attr.name, "reset")) {
+-		if (s3c2410_gpio_getpin(GTA01_GPIO_BT_EN) == 0)
+-			goto out_1;
++		switch (machine_arch_type) {
++		case MACH_TYPE_NEO1973_GTA01:
++			if (s3c2410_gpio_getpin(GTA01_GPIO_BT_EN) == 0)
++				goto out_1;
++			break;
++		case MACH_TYPE_NEO1973_GTA02:
++			if (s3c2410_gpio_getpin(GTA02_GPIO_BT_EN) == 0)
++				goto out_1;
++			break;
++		}
+ 	}
+ 
+ 	return strlcpy(buf, "0\n", 3);
+@@ -48,20 +66,37 @@ static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
+ 	unsigned long on = simple_strtoul(buf, NULL, 10);
+ 
+ 	if (!strcmp(attr->attr.name, "power_on")) {
+-		/* if we are powering up, assert reset, then power, then
+-		 * release reset */
+-		if (on) {
+-			s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
+-			pcf50606_voltage_set(pcf50606_global,
+-					     PCF50606_REGULATOR_D1REG,
+-					     3100);
++		switch (machine_arch_type) {
++		case MACH_TYPE_NEO1973_GTA01:
++			/* if we are powering up, assert reset, then power,
++			 * then release reset */
++			if (on) {
++				s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
++				pcf50606_voltage_set(pcf50606_global,
++						     PCF50606_REGULATOR_D1REG,
++						     3100);
++			}
++			pcf50606_onoff_set(pcf50606_global,
++					   PCF50606_REGULATOR_D1REG, on);
++			s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on);
++			break;
++		case MACH_TYPE_NEO1973_GTA02:
++			if (on)
++				s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 0);
++			else
++				s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 1);
++			break;
+ 		}
+-		pcf50606_onoff_set(pcf50606_global,
+-				   PCF50606_REGULATOR_D1REG, on);
+-		s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on);
+ 	} else if (!strcmp(attr->attr.name, "reset")) {
+ 		/* reset is low-active, so we need to invert */
+-		s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on ? 0 : 1);
++		switch (machine_arch_type) {
++		case MACH_TYPE_NEO1973_GTA01:
++			s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on ? 0 : 1);
++			break;
++		case MACH_TYPE_NEO1973_GTA02:
++			s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
++			break;
++		}
+ 	}
+ 
+ 	return count;
+@@ -107,9 +142,16 @@ static int __init gta01_bt_probe(struct platform_device *pdev)
+ {
+ 	dev_info(&pdev->dev, DRVMSG ": starting\n");
+ 
+-	/* we make sure that the voltage is off */
+-	pcf50606_onoff_set(pcf50606_global,
+-			   PCF50606_REGULATOR_D1REG, 0);
++	switch (machine_arch_type) {
++	case MACH_TYPE_NEO1973_GTA01:
++		/* we make sure that the voltage is off */
++		pcf50606_onoff_set(pcf50606_global,
++				   PCF50606_REGULATOR_D1REG, 0);
++		break;
++	case MACH_TYPE_NEO1973_GTA02:
++		/* FIXME: implementation */
++		break;
++	}
+ 	/* we pull reset to low to make sure that the chip doesn't
+ 	 * drain power through the reset line */
+ 	s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gps.c b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
+index f8cf719..6bd8054 100644
+--- a/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_gps.c
+@@ -17,10 +17,18 @@
+ #include <linux/delay.h>
+ #include <linux/platform_device.h>
+ 
+-#include <linux/pcf50606.h>
+-
+ #include <asm/hardware.h>
++
++#include <asm/mach-types.h>
++#ifdef CONFIG_MACH_NEO1973_GTA01
+ #include <asm/arch/gta01.h>
++#include <linux/pcf50606.h>
++#endif
++
++#ifdef CONFIG_MACH_NEO1973_GTA02
++#include <asm/arch/gta02.h>
++#include <linux/pcf50633.h>
++#endif
+ 
+ /* This is the 2.8V supply for the RTC crystal, the mail clock crystal and
+  * the input to VDD_RF */
+@@ -248,15 +256,42 @@ static int gps_power_1v5_get(void)
+ /* This is the POWERON pin */
+ static void gps_pwron_set(int on)
+ {
+-	s3c2410_gpio_setpin(GTA01_GPIO_GPS_PWRON, on);
++#ifdef CONFIG_MACH_NEO1973_GTA01
++	if (machine_is_neo1973_gta01())
++		s3c2410_gpio_setpin(GTA01_GPIO_GPS_PWRON, on);
++#endif /* CONFIG_MACH_NEO1973_GTA01 */
++
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	if (machine_is_neo1973_gta02()) {
++		if (on)
++			pcf50633_voltage_set(pcf50633_global,
++				PCF50633_REGULATOR_LDO5, 3000);
++			pcf50633_onoff_set(pcf50633_global,
++				PCF50633_REGULATOR_LDO5, on);
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA02 */
+ }
+ 
+ static int gps_pwron_get(void)
+ {
+-	if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_PWRON))
+-		return 1;
+-	else
+-		return 0;
++#ifdef CONFIG_MACH_NEO1973_GTA01
++	if (machine_is_neo1973_gta01()) {
++		if (s3c2410_gpio_getpin(GTA01_GPIO_GPS_PWRON))
++			return 1;
++		else
++			return 0;
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA01 */
++
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	if (machine_is_neo1973_gta02()) {
++		if (pcf50633_onoff_get(pcf50633_global, PCF50633_REGULATOR_LDO5))
++			return 1;
++		else
++			return 0;
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA02 */
++	return -1;
+ }
+ 
+ /* This is the nRESET pin */
+@@ -441,17 +476,40 @@ static DEVICE_ATTR(power_sequence, 0644, power_sequence_read,
+ static int gta01_pm_gps_suspend(struct platform_device *pdev,
+ 				pm_message_t state)
+ {
+-	/* FIXME */
+-	gps_power_sequence_down();
++#ifdef CONFIG_MACH_NEO1973_GTA01
++	if (machine_is_neo1973_gta01()) {
++		/* FIXME */
++		gps_power_sequence_down();
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA01 */
++
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	if (machine_is_neo1973_gta02()) {
++		/* FIXME */
++		pcf50633_onoff_set(pcf50633_global,
++			PCF50633_REGULATOR_LDO5, 0);
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA02 */
+ 
+ 	return 0;
+ }
+ 
+ static int gta01_pm_gps_resume(struct platform_device *pdev)
+ {
+-	/* FIXME */
+-	gps_power_sequence_up();
+-
++#ifdef CONFIG_MACH_NEO1973_GTA01
++	if (machine_is_neo1973_gta01()) {
++		/* FIXME */
++		gps_power_sequence_up();
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA01 */
++
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	if (machine_is_neo1973_gta02()) {
++		/* FIXME */
++		pcf50633_onoff_set(pcf50633_global,
++			PCF50633_REGULATOR_LDO5, 1);
++#endif /* CONFIG_MACH_NEO1973_GTA02 */
++	}
+ 	return 0;
+ }
+ #else
+@@ -476,59 +534,110 @@ static struct attribute_group gta01_gps_attr_group = {
+ 	.attrs	= gta01_gps_sysfs_entries,
+ };
+ 
++static struct attribute *gta02_gps_sysfs_entries[] = {
++	&dev_attr_pwron.attr,
++	NULL
++};
++
++static struct attribute_group gta02_gps_attr_group = {
++	.name	= NULL,
++	.attrs	= gta02_gps_sysfs_entries,
++};
++
+ static int __init gta01_pm_gps_probe(struct platform_device *pdev)
+ {
+-	s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_PWRON, S3C2410_GPIO_OUTPUT);
++#ifdef CONFIG_MACH_NEO1973_GTA01
++	if (machine_is_neo1973_gta01()) {
++		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_PWRON, S3C2410_GPIO_OUTPUT);
+ 
+-	switch (system_rev) {
+-	case GTA01v3_SYSTEM_REV:
+-		break;
+-	case GTA01v4_SYSTEM_REV:
+-		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
+-		break;
+-	case GTA01Bv3_SYSTEM_REV:
+-	case GTA01Bv4_SYSTEM_REV:
+-		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V3, S3C2410_GPIO_OUTPUT);
+-		/* fallthrough */
+-	case GTA01Bv2_SYSTEM_REV:
+-		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_2V8, S3C2410_GPIO_OUTPUT);
+-		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V, S3C2410_GPIO_OUTPUT);
+-		s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
+-		break;
+-	default:
+-		dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
+-			 "AGPS PM features not available!!!\n",
+-			 system_rev);
+-		return -1;
+-		break;
+-	}
++		switch (system_rev) {
++		case GTA01v3_SYSTEM_REV:
++			break;
++		case GTA01v4_SYSTEM_REV:
++			s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
++			break;
++		case GTA01Bv3_SYSTEM_REV:
++		case GTA01Bv4_SYSTEM_REV:
++			s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V3, S3C2410_GPIO_OUTPUT);
++			/* fallthrough */
++		case GTA01Bv2_SYSTEM_REV:
++			s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_2V8, S3C2410_GPIO_OUTPUT);
++			s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_EN_3V, S3C2410_GPIO_OUTPUT);
++			s3c2410_gpio_cfgpin(GTA01_GPIO_GPS_RESET, S3C2410_GPIO_OUTPUT);
++			break;
++		default:
++			dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
++				"AGPS PM features not available!!!\n",
++				system_rev);
++			return -1;
++			break;
++		}
+ 
+-	gps_power_sequence_down();
++		gps_power_sequence_down();
+ 
+-	switch (system_rev) {
+-	case GTA01v3_SYSTEM_REV:
+-	case GTA01v4_SYSTEM_REV:
+-	case GTA01Bv2_SYSTEM_REV:
+-		gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
+-					&dev_attr_power_tcxo_2v8.attr;
+-		break;
+-	case GTA01Bv3_SYSTEM_REV:
+-	case GTA01Bv4_SYSTEM_REV:
+-		gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
+-					&dev_attr_power_core_1v5.attr;
+-		gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-2] =
+-					&dev_attr_power_vdd_core_1v5.attr;
+-		break;
+-	}
++		switch (system_rev) {
++		case GTA01v3_SYSTEM_REV:
++		case GTA01v4_SYSTEM_REV:
++		case GTA01Bv2_SYSTEM_REV:
++			gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
++						&dev_attr_power_tcxo_2v8.attr;
++			break;
++		case GTA01Bv3_SYSTEM_REV:
++		case GTA01Bv4_SYSTEM_REV:
++			gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-3] =
++						&dev_attr_power_core_1v5.attr;
++			gta01_gps_sysfs_entries[ARRAY_SIZE(gta01_gps_sysfs_entries)-2] =
++						&dev_attr_power_vdd_core_1v5.attr;
++			break;
++		}
+ 
+-	return sysfs_create_group(&pdev->dev.kobj, &gta01_gps_attr_group);
++		return sysfs_create_group(&pdev->dev.kobj, &gta01_gps_attr_group);
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA01 */
++
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	if (machine_is_neo1973_gta02()) {
++		switch (system_rev) {
++		case GTA02v2_SYSTEM_REV:
++		case GTA02v3_SYSTEM_REV:
++		case GTA02v4_SYSTEM_REV:
++		case GTA02v5_SYSTEM_REV:
++		case GTA02v6_SYSTEM_REV:
++			pcf50633_voltage_set(pcf50633_global,
++				PCF50633_REGULATOR_LDO5, 3000);
++			pcf50633_onoff_set(pcf50633_global,
++				PCF50633_REGULATOR_LDO5, 0);
++			dev_info(&pdev->dev, "FIC Neo1973 GPS Power Managerment:"
++				 "starting\n");
++			break;
++		default:
++			dev_warn(&pdev->dev, "Unknown GTA02 Revision 0x%x, "
++				"AGPS PM features not available!!!\n",
++				system_rev);
++			return -1;
++			break;
++		}
++		return sysfs_create_group(&pdev->dev.kobj, &gta02_gps_attr_group);
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA02 */
++	return -1;
+ }
+ 
+ static int gta01_pm_gps_remove(struct platform_device *pdev)
+ {
+-	gps_power_sequence_down();
+-	sysfs_remove_group(&pdev->dev.kobj, &gta01_gps_attr_group);
++#ifdef CONFIG_MACH_NEO1973_GTA01
++	if (machine_is_neo1973_gta01()) {
++		gps_power_sequence_down();
++		sysfs_remove_group(&pdev->dev.kobj, &gta01_gps_attr_group);
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA01 */
+ 
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	if (machine_is_neo1973_gta02()) {
++		pcf50633_onoff_set(pcf50633_global, PCF50633_REGULATOR_LDO5, 0);
++		sysfs_remove_group(&pdev->dev.kobj, &gta02_gps_attr_group);
++	}
++#endif /* CONFIG_MACH_NEO1973_GTA02 */
+ 	return 0;
+ }
+ 
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+index a1615f8..13cb45b 100644
+--- a/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+@@ -19,8 +19,15 @@
+ #include <linux/errno.h>
+ 
+ #include <asm/hardware.h>
++#include <asm/mach-types.h>
+ #include <asm/arch/gta01.h>
+ 
++#ifdef CONFIG_MACH_NEO1973_GTA02
++#include <asm/arch/gta02.h>
++#include <linux/pcf50633.h>
++#include <asm/arch/regs-gpioj.h>
++#endif
++
+ struct gta01pm_priv {
+ 	int gpio_ngsm_en;
+ 	struct console *con;
+@@ -54,8 +61,16 @@ static ssize_t gsm_read(struct device *dev, struct device_attribute *attr,
+ 		if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_RST))
+ 			goto out_1;
+ 	} else if (!strcmp(attr->attr.name, "download")) {
+-		if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_DNLOAD))
+-			goto out_1;
++#ifdef CONFIG_MACH_NEO1973_GTA01
++		if (machine_is_neo1973_gta01())
++			if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_DNLOAD))
++				goto out_1;
++#endif
++#ifdef CONFIG_MACH_NEO1973_GTA02
++		if (machine_is_neo1973_gta02())
++			if (s3c2410_gpio_getpin(GTA02_GPIO_nDL_GSM))
++				goto out_1;
++#endif
+ 	}
+ 
+ 	return strlcpy(buf, "0\n", 3);
+@@ -70,32 +85,67 @@ static ssize_t gsm_write(struct device *dev, struct device_attribute *attr,
+ 
+ 	if (!strcmp(attr->attr.name, "power_on")) {
+ 		if (on) {
+-			dev_info(dev, "powering up GSM, thus disconnecting "
+-				 "serial console\n");
++			if (gta01_gsm.con) {
++				dev_info(dev, "powering up GSM, thus "
++					 "disconnecting serial console\n");
+ 
+-			if (gta01_gsm.con)
+ 				console_stop(gta01_gsm.con);
++			}
+ 
+ 			if (gta01_gsm.gpio_ngsm_en)
+ 				s3c2410_gpio_setpin(gta01_gsm.gpio_ngsm_en, 0);
+ 
++			switch (system_rev) {
++#ifdef CONFIG_MACH_NEO1973_GTA02
++			case GTA02v2_SYSTEM_REV:
++			case GTA02v3_SYSTEM_REV:
++			case GTA02v4_SYSTEM_REV:
++			case GTA02v5_SYSTEM_REV:
++			case GTA02v6_SYSTEM_REV:
++				pcf50633_gpio_set(pcf50633_global,
++						  PCF50633_GPIO2, 1);
++				break;
++#endif
++			}
++
+ 			s3c2410_gpio_setpin(GTA01_GPIO_MODEM_ON, 1);
+ 		} else {
+ 			s3c2410_gpio_setpin(GTA01_GPIO_MODEM_ON, 0);
+ 
++			switch (system_rev) {
++#ifdef CONFIG_MACH_NEO1973_GTA02
++			case GTA02v2_SYSTEM_REV:
++			case GTA02v3_SYSTEM_REV:
++			case GTA02v4_SYSTEM_REV:
++			case GTA02v5_SYSTEM_REV:
++			case GTA02v6_SYSTEM_REV:
++				pcf50633_gpio_set(pcf50633_global,
++						  PCF50633_GPIO2, 0);
++				break;
++#endif
++			}
++
+ 			if (gta01_gsm.gpio_ngsm_en)
+ 				s3c2410_gpio_setpin(gta01_gsm.gpio_ngsm_en, 1);
+ 
+-			if (gta01_gsm.con)
++			if (gta01_gsm.con) {
+ 				console_start(gta01_gsm.con);
+ 
+-			dev_info(dev, "powered down GSM, thus enabling "
+-				 "serial console\n");
++				dev_info(dev, "powered down GSM, thus enabling "
++					 "serial console\n");
++			}
+ 		}
+ 	} else if (!strcmp(attr->attr.name, "reset")) {
+ 		s3c2410_gpio_setpin(GTA01_GPIO_MODEM_RST, on);
+ 	} else if (!strcmp(attr->attr.name, "download")) {
+-		s3c2410_gpio_setpin(GTA01_GPIO_MODEM_DNLOAD, on);
++#ifdef CONFIG_MACH_NEO1973_GTA01
++		if (machine_is_neo1973_gta01())
++			s3c2410_gpio_setpin(GTA01_GPIO_MODEM_DNLOAD, on);
++#endif
++#ifdef CONFIG_MACH_NEO1973_GTA02
++		if (machine_is_neo1973_gta02())
++			s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, on);
++#endif
+ 	}
+ 
+ 	return count;
+@@ -111,6 +161,9 @@ static int gta01_gsm_suspend(struct platform_device *pdev, pm_message_t state)
+ 	/* GPIO state is saved/restored by S3C2410 core GPIO driver, so we
+ 	 * don't need to do anything here */
+ 
++	/* disable DL GSM to prevent jack_insert becoming flaoting */
++	if (machine_is_neo1973_gta02())
++		s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, 1);
+ 	return 0;
+ }
+ 
+@@ -124,6 +177,8 @@ static int gta01_gsm_resume(struct platform_device *pdev)
+ 	if (s3c2410_gpio_getpin(GTA01_GPIO_MODEM_ON) && gta01_gsm.con)
+ 		console_stop(gta01_gsm.con);
+ 
++	if (machine_is_neo1973_gta02())
++		s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, 0);
+ 	return 0;
+ }
+ #else
+@@ -134,7 +189,7 @@ static int gta01_gsm_resume(struct platform_device *pdev)
+ static struct attribute *gta01_gsm_sysfs_entries[] = {
+ 	&dev_attr_power_on.attr,
+ 	&dev_attr_reset.attr,
+-	NULL,
++	&dev_attr_download.attr,
+ 	NULL
+ };
+ 
+@@ -158,8 +213,18 @@ static int __init gta01_gsm_probe(struct platform_device *pdev)
+ 		gta01_gsm.gpio_ngsm_en = GTA01Bv2_GPIO_nGSM_EN;
+ 		s3c2410_gpio_setpin(GTA01v3_GPIO_nGSM_EN, 0);
+ 		break;
++#ifdef CONFIG_MACH_NEO1973_GTA02
++	case GTA02v1_SYSTEM_REV:
++	case GTA02v2_SYSTEM_REV:
++	case GTA02v3_SYSTEM_REV:
++	case GTA02v4_SYSTEM_REV:
++	case GTA02v5_SYSTEM_REV:
++	case GTA02v6_SYSTEM_REV:
++		gta01_gsm.gpio_ngsm_en = 0;
++		break;
++#endif
+ 	default:
+-		dev_warn(&pdev->dev, "Unknown GTA01 Revision 0x%x, "
++		dev_warn(&pdev->dev, "Unknown Neo1973 Revision 0x%x, "
+ 			 "some PM features not available!!!\n",
+ 			 system_rev);
+ 		break;
+@@ -175,9 +240,13 @@ static int __init gta01_gsm_probe(struct platform_device *pdev)
+ 		break;
+ 	}
+ 
+-	gta01_gsm.con = find_s3c24xx_console();
+-	if (!gta01_gsm.con)
+-		dev_warn(&pdev->dev, "cannot find S3C24xx console driver\n");
++	if (machine_is_neo1973_gta01()) {
++		gta01_gsm.con = find_s3c24xx_console();
++		if (!gta01_gsm.con)
++			dev_warn(&pdev->dev,
++				 "cannot find S3C24xx console driver\n");
++	} else
++		gta01_gsm.con = NULL;
+ 
+ 	return sysfs_create_group(&pdev->dev.kobj, &gta01_gsm_attr_group);
+ }
+-- 
+1.5.6.3
+