gta01-core.patch

This patch adds support for the FIC Neo1973 GTA01 machine type to the ARM port
of the Linux kernel.

Signed-off-by: Harald Welte <laforge@openmoko.org>

6 files changed, 757 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 7e6a17e1de0..24ed6323349 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1704,6 +1704,20 @@ FILE LOCKING (flock() and fcntl()/lockf())
 P:	Matthew Wilcox
 M:	matthew@wil.cx
 L:	linux-fsdevel@vger.kernel.org
+
+FIC/OPENMOKO NEO1973 GSM PHONE
+P:	Harald Welte
+M:	laforge@openmoko.org
+L:	openmoko-kernel@lists.openmoko.org
+W:	http://wiki.openmoko.org/wiki/Kernel
+W:	http://wiki.openmoko.org/wiki/Neo1973
+S:	Maintained
+
+FRAMEBUFFER LAYER
+P:	Antonino Daplas
+M:	adaplas@gmail.com
+L:	linux-fbdev-devel@lists.sourceforge.net (moderated for non-subscribers)
+W:	http://linux-fbdev.sourceforge.net/
 S:	Maintained
 
 FILESYSTEMS (VFS and infrastructure)
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index c8798dc869b..528e112f4d1 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -130,4 +130,12 @@ config MACH_QT2410
 	help
 	   Say Y here if you are using the Armzone QT2410
 
+config MACH_NEO1973_GTA01
+	bool "FIC Neo1973 GSM Phone (GTA01 Hardware)"
+	select CPU_S3C2410
+	select MACH_NEO1973
+	select SENSORS_PCF50606
+	help
+	   Say Y here if you are using the FIC Neo1973 GSM Phone
+
 endmenu
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index fca02f82711..2a7ede9f265 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -37,3 +37,5 @@ obj-$(CONFIG_SIMTEC_NOR)	+= nor-simtec.o
 # machine additions
 
 obj-$(CONFIG_MACH_BAST_IDE)	+= bast-ide.o
+obj-$(CONFIG_MACH_NEO1973_GTA01)+= mach-gta01.o
+
diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
new file mode 100644
index 00000000000..e690ed73114
--- /dev/null
+++ b/arch/arm/mach-s3c2410/mach-gta01.c
@@ -0,0 +1,658 @@
+/*
+ * linux/arch/arm/mach-s3c2410/mach-gta01.c
+ *
+ * S3C2410 Machine Support for the FIC Neo1973 GTA01
+ *
+ * Copyright (C) 2006-2007 by OpenMoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/host.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <linux/mmc/host.h>
+
+#include <linux/pcf50606.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/fb.h>
+#include <asm/arch/spi.h>
+#include <asm/arch/spi-gpio.h>
+#include <asm/arch/usb-control.h>
+
+#include <asm/arch/gta01.h>
+
+#include <asm/plat-s3c/regs-serial.h>
+#include <asm/plat-s3c/nand.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+#include <asm/plat-s3c24xx/pm.h>
+#include <asm/plat-s3c24xx/udc.h>
+
+static struct map_desc gta01_iodesc[] __initdata = {
+	{
+		.virtual	= 0xe0000000,
+		.pfn		= __phys_to_pfn(S3C2410_CS3+0x01000000),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE
+	},
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg gta01_uartcfgs[] = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+};
+
+/* PMU driver info */
+
+static int pmu_callback(struct device *dev, unsigned int feature,
+			enum pmu_event event)
+{
+	switch (feature) {
+	case PCF50606_FEAT_ACD:
+		switch (event) {
+		case PMU_EVT_INSERT:
+			pcf50606_charge_fast(pcf50606_global, 1);
+			break;
+		case PMU_EVT_REMOVE:
+			pcf50606_charge_fast(pcf50606_global, 0);
+			break;
+		default:
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static struct pcf50606_platform_data gta01_pcf_pdata = {
+	.used_features	= PCF50606_FEAT_EXTON |
+			  PCF50606_FEAT_MBC |
+			  PCF50606_FEAT_BBC |
+			  PCF50606_FEAT_RTC |
+			  PCF50606_FEAT_WDT |
+			  PCF50606_FEAT_CHGCUR |
+			  PCF50606_FEAT_BATVOLT |
+			  PCF50606_FEAT_BATTEMP,
+	.onkey_seconds_required = 3,
+	.cb		= &pmu_callback,
+	.r_fix_batt	= 10000,
+	.r_fix_batt_par	= 10000,
+	.r_sense_milli	= 220,
+	.rails	= {
+		[PCF50606_REGULATOR_D1REG] = {
+			.name		= "bt_3v15",
+			.voltage	= {
+				.init	= 3150,
+				.max	= 3150,
+			},
+		},
+		[PCF50606_REGULATOR_D2REG] = {
+			.name		= "gl_2v5",
+			.voltage	= {
+				.init	= 2500,
+				.max	= 2500,
+			},
+		},
+		[PCF50606_REGULATOR_D3REG] = {
+			.name		= "stby_1v8",
+			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+			.voltage	= {
+				.init	= 1800,
+				.max	= 2100,
+			},
+		},
+		[PCF50606_REGULATOR_DCD] = {
+			.name		= "gl_1v5",
+			.voltage	= {
+				.init	= 1500,
+				.max	= 1500,
+			},
+		},
+		[PCF50606_REGULATOR_DCDE] = {
+			.name		= "io_3v3",
+			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+			.voltage	= {
+				.init	= 3300,
+				.max	= 3330,
+			},
+		},
+		[PCF50606_REGULATOR_DCUD] = {
+			.name		= "core_1v8",
+			.flags		= PMU_VRAIL_F_SUSPEND_ON,
+			.voltage	= {
+				.init	= 2100,
+				.max	= 2100,
+			},
+		},
+		[PCF50606_REGULATOR_IOREG] = {
+			.name		= "codec_3v3",
+			.voltage	= {
+				.init	= 3300,
+				.max	= 3300,
+			},
+		},
+		[PCF50606_REGULATOR_LPREG] = {
+			.name		= "lcm_3v3",
+			.voltage	= {
+				.init	= 3300,
+				.max	= 3300,
+			},
+		}
+	},
+};
+
+static void cfg_pmu_vrail(struct pmu_voltage_rail *vrail, char *name,
+			  unsigned int flags, unsigned int init,
+			  unsigned int max)
+{
+	vrail->name = name;
+	vrail->flags = flags;
+	vrail->voltage.init = init;
+	vrail->voltage.max = max;
+}
+
+static void mangle_pmu_pdata_by_system_rev(void)
+{
+	switch (system_rev) {
+	case GTA01Bv4_SYSTEM_REV:
+		gta01_pcf_pdata.used_features |= PCF50606_FEAT_ACD;
+		break;
+	case GTA01Bv3_SYSTEM_REV:
+	case GTA01Bv2_SYSTEM_REV:
+		gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG]
+					.name = "user1";
+		gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG]
+					.flags &= ~PMU_VRAIL_F_SUSPEND_ON;
+		gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG]
+					.flags = PMU_VRAIL_F_UNUSED;
+		break;
+	case GTA01v4_SYSTEM_REV:
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCUD],
+			      "core_1v8", PMU_VRAIL_F_SUSPEND_ON, 1800, 1800);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D1REG],
+			      "vrf_3v", 0, 3000, 3000);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG],
+			      "vtcxo_2v8", 0, 2800, 2800);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCD],
+			      "gl_3v5", 0, 3500, 3500);
+		break;
+	case GTA01v3_SYSTEM_REV:
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D1REG],
+			      "vrf_3v", 0, 3000, 3000);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D2REG],
+			      "sd_3v3", 0, 3300, 3300);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_D3REG],
+			      "codec_3v3", 0, 3300, 3300);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCD],
+			      "gpsio_3v3", 0, 3300, 3300);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_DCUD],
+			      "core_1v8", PMU_VRAIL_F_SUSPEND_ON, 1800, 1800);
+		cfg_pmu_vrail(&gta01_pcf_pdata.rails[PCF50606_REGULATOR_IOREG],
+			      "vtcxo_2v8", 0, 2800, 2800);
+		break;
+	}
+}
+
+static struct resource gta01_pmu_resources[] = {
+	[0] = {
+		.flags	= IORESOURCE_IRQ,
+		.start	= GTA01_IRQ_PCF50606,
+		.end	= GTA01_IRQ_PCF50606,
+	},
+};
+
+struct platform_device gta01_pmu_dev = {
+	.name 		= "pcf50606",
+	.num_resources	= ARRAY_SIZE(gta01_pmu_resources),
+	.resource	= gta01_pmu_resources,
+	.dev		= {
+		.platform_data = &gta01_pcf_pdata,
+	},
+};
+
+/* LCD driver info */
+
+/* Configuration for 480x640 toppoly TD028TTEC1.
+ * Do not mark this as __initdata or it will break! */
+static struct s3c2410fb_display gta01_displays[] =  {
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 43,
+		.height		= 58,
+		.xres		= 480,
+		.yres		= 640,
+		.bpp		= 16,
+
+		.pixclock	= 40000,	/* HCLK/4 */
+		.left_margin	= 104,
+		.right_margin	= 8,
+		.hsync_len	= 8,
+		.upper_margin	= 2,
+		.lower_margin	= 16,
+		.vsync_len	= 2,
+		.lcdcon5	= S3C2410_LCDCON5_FRM565 |
+				  S3C2410_LCDCON5_INVVCLK |
+				  S3C2410_LCDCON5_INVVLINE |
+				  S3C2410_LCDCON5_INVVFRAME |
+				  S3C2410_LCDCON5_PWREN |
+				  S3C2410_LCDCON5_HWSWP,
+	},
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 43,
+		.height		= 58,
+		.xres		= 480,
+		.yres		= 640,
+		.bpp		= 32,
+
+		.pixclock	= 40000,	/* HCLK/4 */
+		.left_margin	= 104,
+		.right_margin	= 8,
+		.hsync_len	= 8,
+		.upper_margin	= 2,
+		.lower_margin	= 16,
+		.vsync_len	= 2,
+		.lcdcon5	= S3C2410_LCDCON5_FRM565 |
+				  S3C2410_LCDCON5_INVVCLK |
+				  S3C2410_LCDCON5_INVVLINE |
+				  S3C2410_LCDCON5_INVVFRAME |
+				  S3C2410_LCDCON5_PWREN |
+				  S3C2410_LCDCON5_HWSWP,
+	},
+	{
+		.type		= S3C2410_LCDCON1_TFT,
+		.width		= 43,
+		.height		= 58,
+		.xres		= 240,
+		.yres		= 320,
+		.bpp		= 16,
+
+		.pixclock	= 40000,	/* HCLK/4 */
+		.left_margin	= 104,
+		.right_margin	= 8,
+		.hsync_len	= 8,
+		.upper_margin	= 2,
+		.lower_margin	= 16,
+		.vsync_len	= 2,
+		.lcdcon5	= S3C2410_LCDCON5_FRM565 |
+				  S3C2410_LCDCON5_INVVCLK |
+				  S3C2410_LCDCON5_INVVLINE |
+				  S3C2410_LCDCON5_INVVFRAME |
+				  S3C2410_LCDCON5_PWREN |
+				  S3C2410_LCDCON5_HWSWP,
+	},
+};
+
+static struct s3c2410fb_mach_info gta01_lcd_cfg __initdata = {
+	.displays	= gta01_displays,
+	.num_displays	= ARRAY_SIZE(gta01_displays),
+	.default_display = 0,
+
+	.lpcsel		= ((0xCE6) & ~7) | 1<<4,
+};
+
+static struct platform_device *gta01_devices[] __initdata = {
+	&s3c_device_usb,
+	&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c,
+	&s3c_device_iis,
+	&s3c_device_sdi,
+	&s3c_device_usbgadget,
+	&s3c_device_nand,
+};
+
+static struct s3c2410_nand_set gta01_nand_sets[] = {
+	[0] = {
+		.name		= "neo1973-nand",
+		.nr_chips	= 1,
+		.flags		= S3C2410_NAND_BBT,
+	},
+};
+
+static struct s3c2410_platform_nand gta01_nand_info = {
+	.tacls		= 20,
+	.twrph0		= 60,
+	.twrph1		= 20,
+	.nr_sets	= ARRAY_SIZE(gta01_nand_sets),
+	.sets		= gta01_nand_sets,
+};
+
+static void gta01_udc_command(enum s3c2410_udc_cmd_e cmd)
+{
+	printk(KERN_DEBUG "%s(%d)\n", __func__, cmd);
+
+	switch (cmd) {
+	case S3C2410_UDC_P_ENABLE:
+		s3c2410_gpio_setpin(GTA01_GPIO_USB_PULLUP, 1);
+		break;
+	case S3C2410_UDC_P_DISABLE:
+		s3c2410_gpio_setpin(GTA01_GPIO_USB_PULLUP, 0);
+		break;
+	default:
+		break;
+	}
+}
+
+/* use a work queue, since I2C API inherently schedules
+ * and we get called in hardirq context from UDC driver */
+
+struct vbus_draw {
+	struct work_struct work;
+	int ma;
+};
+static struct vbus_draw gta01_udc_vbus_drawer;
+
+static void __gta01_udc_vbus_draw(struct work_struct *work)
+{
+	/* this is a fix to work around boot-time ordering problems if the
+	 * s3c2410_udc is initialized before the pcf50606 driver has defined
+	 * pcf50606_global */
+	if (!pcf50606_global)
+		return;
+
+	if (gta01_udc_vbus_drawer.ma >= 500) {
+		/* enable fast charge */
+		printk(KERN_DEBUG "udc: enabling fast charge\n");
+		pcf50606_charge_fast(pcf50606_global, 1);
+	} else {
+		/* disable fast charge */
+		printk(KERN_DEBUG "udc: disabling fast charge\n");
+		pcf50606_charge_fast(pcf50606_global, 0);
+	}
+}
+
+static void gta01_udc_vbus_draw(unsigned int ma)
+{
+	gta01_udc_vbus_drawer.ma = ma;
+	schedule_work(&gta01_udc_vbus_drawer.work);
+}
+
+static struct s3c2410_udc_mach_info gta01_udc_cfg = {
+	.vbus_draw	= gta01_udc_vbus_draw,
+};
+
+/* SPI */
+
+static struct spi_board_info gta01_spi_board_info[] = {
+	{
+		.modalias	= "jbt6k74",
+		/* platform_data */
+		/* controller_data */
+		/* irq */
+		.max_speed_hz	= 10 * 1000 * 1000,
+		.bus_num	= 1,
+		/* chip_select */
+	},
+};
+
+static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
+{
+	switch (cs) {
+	case BITBANG_CS_ACTIVE:
+		s3c2410_gpio_setpin(S3C2410_GPG3, 0);
+		break;
+	case BITBANG_CS_INACTIVE:
+		s3c2410_gpio_setpin(S3C2410_GPG3, 1);
+		break;
+	}
+}
+
+static struct s3c2410_spigpio_info spi_gpio_cfg = {
+	.pin_clk	= S3C2410_GPG7,
+	.pin_mosi	= S3C2410_GPG6,
+	.pin_miso	= S3C2410_GPG5,
+	.board_size	= ARRAY_SIZE(gta01_spi_board_info),
+	.board_info	= gta01_spi_board_info,
+	.chip_select	= &spi_gpio_cs,
+};
+
+static struct resource s3c_spi_lcm_resource[] = {
+	[0] = {
+		.start = S3C2410_GPG3,
+		.end   = S3C2410_GPG3,
+	},
+	[1] = {
+		.start = S3C2410_GPG5,
+		.end   = S3C2410_GPG5,
+	},
+	[2] = {
+		.start = S3C2410_GPG6,
+		.end   = S3C2410_GPG6,
+	},
+	[3] = {
+		.start = S3C2410_GPG7,
+		.end   = S3C2410_GPG7,
+	},
+};
+
+struct platform_device s3c_device_spi_lcm = {
+	.name		  = "s3c24xx-spi-gpio",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s3c_spi_lcm_resource),
+	.resource	  = s3c_spi_lcm_resource,
+	.dev = {
+		.platform_data = &spi_gpio_cfg,
+	},
+};
+
+static struct gta01bl_machinfo backlight_machinfo = {
+	.default_intensity	= 1,
+	.max_intensity		= 1,
+	.limit_mask		= 1,
+};
+
+static struct resource gta01_bl_resources[] = {
+	[0] = {
+		.start	= GTA01_GPIO_BACKLIGHT,
+		.end	= GTA01_GPIO_BACKLIGHT,
+	},
+};
+
+struct platform_device gta01_bl_dev = {
+	.name 		= "gta01-bl",
+	.num_resources	= ARRAY_SIZE(gta01_bl_resources),
+	.resource	= gta01_bl_resources,
+	.dev		= {
+		.platform_data = &backlight_machinfo,
+	},
+};
+
+static struct resource gta01_led_resources[] = {
+	[0] = {
+		.start	= GTA01_GPIO_VIBRATOR_ON,
+		.end	= GTA01_GPIO_VIBRATOR_ON,
+	},
+};
+
+struct platform_device gta01_led_dev = {
+	.name		= "neo1973-vibrator",
+	.num_resources	= ARRAY_SIZE(gta01_led_resources),
+	.resource	= gta01_led_resources,
+};
+
+static struct resource gta01_button_resources[] = {
+	[0] = {
+		.start = GTA01_GPIO_AUX_KEY,
+		.end   = GTA01_GPIO_AUX_KEY,
+	},
+	[1] = {
+		.start = GTA01_GPIO_HOLD_KEY,
+		.end   = GTA01_GPIO_HOLD_KEY,
+	},
+	[2] = {
+		.start = GTA01_GPIO_JACK_INSERT,
+		.end   = GTA01_GPIO_JACK_INSERT,
+	},
+};
+
+struct platform_device gta01_button_dev = {
+	.name		= "neo1973-button",
+	.num_resources	= ARRAY_SIZE(gta01_button_resources),
+	.resource	= gta01_button_resources,
+};
+
+static struct platform_device gta01_pm_gsm_dev = {
+	.name		= "neo1973-pm-gsm",
+};
+
+/* USB */
+static struct s3c2410_hcd_info gta01_usb_info = {
+	.port[0]	= {
+		.flags	= S3C_HCDFLG_USED,
+	},
+	.port[1]	= {
+		.flags	= 0,
+	},
+};
+
+static void __init gta01_map_io(void)
+{
+	s3c24xx_init_io(gta01_iodesc, ARRAY_SIZE(gta01_iodesc));
+	s3c24xx_init_clocks(12*1000*1000);
+	s3c24xx_init_uarts(gta01_uartcfgs, ARRAY_SIZE(gta01_uartcfgs));
+}
+
+static irqreturn_t gta01_modem_irq(int irq, void *param)
+{
+	printk(KERN_DEBUG "modem wakeup interrupt\n");
+	return IRQ_HANDLED;
+}
+
+static void __init gta01_machine_init(void)
+{
+	int rc;
+
+	if (system_rev == GTA01v4_SYSTEM_REV ||
+	    system_rev == GTA01Bv2_SYSTEM_REV ||
+	    system_rev == GTA01Bv3_SYSTEM_REV ||
+	    system_rev == GTA01Bv4_SYSTEM_REV) {
+		gta01_udc_cfg.udc_command = gta01_udc_command;
+	}
+
+	s3c_device_usb.dev.platform_data = &gta01_usb_info;
+	s3c_device_nand.dev.platform_data = &gta01_nand_info;
+
+	s3c24xx_fb_set_platdata(&gta01_lcd_cfg);
+
+	INIT_WORK(&gta01_udc_vbus_drawer.work, __gta01_udc_vbus_draw);
+	s3c24xx_udc_set_platdata(&gta01_udc_cfg);
+
+	/* Set LCD_RESET / XRES to high */
+	s3c2410_gpio_cfgpin(S3C2410_GPC6, S3C2410_GPIO_OUTPUT);
+	s3c2410_gpio_setpin(S3C2410_GPC6, 1);
+
+	/* SPI chip select is gpio output */
+	s3c2410_gpio_cfgpin(S3C2410_GPG3, S3C2410_GPIO_OUTPUT);
+	s3c2410_gpio_setpin(S3C2410_GPG3, 1);
+	platform_device_register(&s3c_device_spi_lcm);
+
+	platform_device_register(&gta01_bl_dev);
+	platform_device_register(&gta01_button_dev);
+	platform_device_register(&gta01_pm_gsm_dev);
+
+	switch (system_rev) {
+	case GTA01v3_SYSTEM_REV:
+	case GTA01v4_SYSTEM_REV:
+		/* just use the default (GTA01_IRQ_PCF50606) */
+		break;
+	case GTA01Bv2_SYSTEM_REV:
+	case GTA01Bv3_SYSTEM_REV:
+		/* just use the default (GTA01_IRQ_PCF50606) */
+		gta01_led_resources[0].start =
+			gta01_led_resources[0].end = GTA01Bv2_GPIO_VIBRATOR_ON;
+		break;
+	case GTA01Bv4_SYSTEM_REV:
+		gta01_pmu_resources[0].start =
+			gta01_pmu_resources[0].end = GTA01Bv4_IRQ_PCF50606;
+		gta01_led_resources[0].start =
+			gta01_led_resources[0].end = GTA01Bv4_GPIO_VIBRATOR_ON;
+		break;
+	}
+	mangle_pmu_pdata_by_system_rev();
+	platform_device_register(&gta01_pmu_dev);
+	platform_device_register(&gta01_led_dev);
+
+	platform_add_devices(gta01_devices, ARRAY_SIZE(gta01_devices));
+
+	s3c2410_pm_init();
+
+	set_irq_type(GTA01_IRQ_MODEM, IRQT_RISING);
+	rc = request_irq(GTA01_IRQ_MODEM, gta01_modem_irq, IRQF_DISABLED,
+			 "modem", NULL);
+	if (!rc)
+		printk(KERN_ERR  "GTA01: can't request GSM modem wakeup IRQ\n");
+	enable_irq_wake(GTA01_IRQ_MODEM);
+}
+
+MACHINE_START(NEO1973_GTA01, "GTA01")
+	.phys_io	= S3C2410_PA_UART,
+	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.map_io		= gta01_map_io,
+	.init_irq	= s3c24xx_init_irq,
+	.init_machine	= gta01_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index f0d54fdf88d..a986748860d 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -83,4 +83,9 @@ config MACH_SMDK
 	help
 	  Common machine code for SMDK2410 and SMDK2440
 
+config MACH_NEO1973
+	bool
+	help
+	  Common machine code for Neo1973 hardware
+
 endif
diff --git a/include/asm-arm/arch-s3c2410/gta01.h b/include/asm-arm/arch-s3c2410/gta01.h
new file mode 100644
index 00000000000..1cc209964ed
--- /dev/null
+++ b/include/asm-arm/arch-s3c2410/gta01.h
@@ -0,0 +1,70 @@
+#ifndef _GTA01_H
+#define _GTA01_H
+
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/irqs.h>
+
+/* Different hardware revisions, passed in ATAG_REVISION by u-boot */
+#define GTA01v3_SYSTEM_REV	0x00000130
+#define GTA01v4_SYSTEM_REV	0x00000140
+#define GTA01Bv2_SYSTEM_REV	0x00000220
+#define GTA01Bv3_SYSTEM_REV	0x00000230
+#define GTA01Bv4_SYSTEM_REV	0x00000240
+
+/* Backlight */
+struct gta01bl_machinfo {
+	unsigned int default_intensity;
+	unsigned int max_intensity;
+	unsigned int limit_mask;
+};
+
+/* Definitions common to all revisions */
+#define GTA01_GPIO_BACKLIGHT	S3C2410_GPB0
+#define GTA01_GPIO_GPS_PWRON	S3C2410_GPB1
+#define GTA01_GPIO_MODEM_RST	S3C2410_GPB6
+#define GTA01_GPIO_MODEM_ON	S3C2410_GPB7
+#define GTA01_GPIO_LCD_RESET	S3C2410_GPC6
+#define GTA01_GPIO_PMU_IRQ	S3C2410_GPG8
+#define GTA01_GPIO_JACK_INSERT	S3C2410_GPF4
+#define GTA01_GPIO_nSD_DETECT	S3C2410_GPF5
+#define GTA01_GPIO_AUX_KEY	S3C2410_GPF6
+#define GTA01_GPIO_HOLD_KEY	S3C2410_GPF7
+#define GTA01_GPIO_VIBRATOR_ON	S3C2410_GPG11
+
+#define GTA01_IRQ_MODEM		IRQ_EINT1
+#define GTA01_IRQ_JACK_INSERT	IRQ_EINT4
+#define GTA01_IRQ_nSD_DETECT	IRQ_EINT5
+#define GTA01_IRQ_AUX_KEY	IRQ_EINT6
+#define GTA01_IRQ_PCF50606      IRQ_EINT16
+
+/* GTA01v3 */
+#define GTA01v3_GPIO_nGSM_EN	S3C2410_GPG9
+
+/* GTA01v4 */
+#define GTA01_GPIO_MODEM_DNLOAD	S3C2410_GPG0
+
+/* GTA01Bv2 */
+#define GTA01Bv2_GPIO_nGSM_EN	S3C2410_GPF2
+#define GTA01Bv2_GPIO_VIBRATOR_ON S3C2410_GPB10
+
+/* GTA01Bv3 */
+#define GTA01_GPIO_GPS_EN_3V3	S3C2410_GPG9
+
+#define GTA01_GPIO_SDMMC_ON	S3C2410_GPB2
+#define GTA01_GPIO_BT_EN	S3C2410_GPB5
+#define GTA01_GPIO_AB_DETECT	S3C2410_GPB8
+#define GTA01_GPIO_USB_PULLUP	S3C2410_GPB9
+#define GTA01_GPIO_USB_ATTACH	S3C2410_GPB10
+
+#define GTA01_GPIO_GPS_EN_2V8	S3C2410_GPG9
+#define GTA01_GPIO_GPS_EN_3V	S3C2410_GPG10
+#define GTA01_GPIO_GPS_RESET	S3C2410_GPC0
+
+/* GTA01Bv4 */
+#define GTA01Bv4_GPIO_nNAND_WP	S3C2410_GPA16
+#define GTA01Bv4_GPIO_VIBRATOR_ON S3C2410_GPB3
+#define GTA01Bv4_GPIO_PMU_IRQ	S3C2410_GPG1
+
+#define GTA01Bv4_IRQ_PCF50606	IRQ_EINT9
+
+#endif /* _GTA01_H */