zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-pxa/idp.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-pxa/idp.c
new file mode 100644
index 0000000..6ff466b
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-pxa/idp.c
@@ -0,0 +1,204 @@
+/*
+ *  linux/arch/arm/mach-pxa/idp.c
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
+ *
+ *  2001-09-13: Cliff Brake <cbrake@accelent.com>
+ *              Initial code
+ *
+ *  2005-02-15: Cliff Brake <cliff.brake@gmail.com>
+ *  		<http://www.vibren.com> <http://bec-systems.com>
+ *              Updated for 2.6 kernel
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/pxa25x.h>
+#include <mach/idp.h>
+#include <mach/pxafb.h>
+#include <mach/bitfield.h>
+#include <mach/mmc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/* TODO:
+ * - add pxa2xx_audio_ops_t device structure
+ * - Ethernet interrupt
+ */
+
+static unsigned long idp_pin_config[] __initdata = {
+	/* LCD */
+	GPIOxx_LCD_DSTN_16BPP,
+
+	/* BTUART */
+	GPIO42_BTUART_RXD,
+	GPIO43_BTUART_TXD,
+	GPIO44_BTUART_CTS,
+	GPIO45_BTUART_RTS,
+
+	/* STUART */
+	GPIO46_STUART_RXD,
+	GPIO47_STUART_TXD,
+
+	/* MMC */
+	GPIO6_MMC_CLK,
+	GPIO8_MMC_CS0,
+
+	/* Ethernet */
+	GPIO33_nCS_5,	/* Ethernet CS */
+	GPIO4_GPIO,	/* Ethernet IRQ */
+};
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start	= (IDP_ETH_PHYS + 0x300),
+		.end	= (IDP_ETH_PHYS + 0xfffff),
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= PXA_GPIO_TO_IRQ(4),
+		.end	= PXA_GPIO_TO_IRQ(4),
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+};
+
+static void idp_backlight_power(int on)
+{
+	if (on) {
+		IDP_CPLD_LCD |= (1<<1);
+	} else {
+		IDP_CPLD_LCD &= ~(1<<1);
+	}
+}
+
+static void idp_vlcd(int on)
+{
+	if (on) {
+		IDP_CPLD_LCD |= (1<<2);
+	} else {
+		IDP_CPLD_LCD &= ~(1<<2);
+	}
+}
+
+static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+	if (on) {
+		IDP_CPLD_LCD |= (1<<0);
+	} else {
+		IDP_CPLD_LCD &= ~(1<<0);
+	}
+
+	/* call idp_vlcd for now as core driver does not support
+	 * both power and vlcd hooks.  Note, this is not technically
+	 * the correct sequence, but seems to work.  Disclaimer:
+	 * this may eventually damage the display.
+	 */
+
+	idp_vlcd(on);
+}
+
+static struct pxafb_mode_info sharp_lm8v31_mode = {
+	.pixclock	= 270000,
+	.xres		= 640,
+	.yres		= 480,
+	.bpp		= 16,
+	.hsync_len	= 1,
+	.left_margin	= 3,
+	.right_margin	= 3,
+	.vsync_len	= 1,
+	.upper_margin	= 0,
+	.lower_margin	= 0,
+	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+	.cmap_greyscale	= 0,
+};
+
+static struct pxafb_mach_info sharp_lm8v31 = {
+	.modes          = &sharp_lm8v31_mode,
+	.num_modes      = 1,
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+	.lcd_conn	= LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
+			  LCD_AC_BIAS_FREQ(255),
+	.pxafb_backlight_power = &idp_backlight_power,
+	.pxafb_lcd_power = &idp_lcd_power
+};
+
+static struct pxamci_platform_data idp_mci_platform_data = {
+	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
+	.gpio_card_detect	= -1,
+	.gpio_card_ro		= -1,
+	.gpio_power		= -1,
+};
+
+static void __init idp_init(void)
+{
+	printk("idp_init()\n");
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	platform_device_register(&smc91x_device);
+	//platform_device_register(&mst_audio_device);
+	pxa_set_fb_info(NULL, &sharp_lm8v31);
+	pxa_set_mci_info(&idp_mci_platform_data);
+}
+
+static struct map_desc idp_io_desc[] __initdata = {
+  	{
+		.virtual	=  IDP_COREVOLT_VIRT,
+		.pfn		= __phys_to_pfn(IDP_COREVOLT_PHYS),
+		.length		= IDP_COREVOLT_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		.virtual	=  IDP_CPLD_VIRT,
+		.pfn		= __phys_to_pfn(IDP_CPLD_PHYS),
+		.length		= IDP_CPLD_SIZE,
+		.type		= MT_DEVICE
+	}
+};
+
+static void __init idp_map_io(void)
+{
+	pxa25x_map_io();
+	iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
+}
+
+
+MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
+	/* Maintainer: Vibren Technologies */
+	.map_io		= idp_map_io,
+	.nr_irqs	= PXA_NR_IRQS,
+	.init_irq	= pxa25x_init_irq,
+	.handle_irq	= pxa25x_handle_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= idp_init,
+	.restart	= pxa_restart,
+MACHINE_END