imx6: add support for gw5400-a

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

SVN-Revision: 37363

6 files changed, 1818 insertions, 0 deletions

diff --git a/target/linux/imx6/files-3.10/arch/arm/boot/dts/imx6q-gw5400-a.dts b/target/linux/imx6/files-3.10/arch/arm/boot/dts/imx6q-gw5400-a.dts
new file mode 100644
index 0000000..d79d272
--- /dev/null
+++ b/target/linux/imx6/files-3.10/arch/arm/boot/dts/imx6q-gw5400-a.dts
@@ -0,0 +1,429 @@
+/*
+ * Copyright 2013 Gateworks Corporation
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+#include "imx6q-ventana.dtsi"
+
+/ {
+	model = "Gateworks Ventana GW5400-A";
+	compatible = "gw,imx6q-gw5400-a", "gw,ventana", "fsl,imx6q";
+
+	aliases {
+		ethernet0 = &fec;
+		ethernet1 = &eth1;
+		sky2 = &eth1;
+	};
+
+	/* SDRAM addressing */
+	memory {
+		reg = <0x10000000 0x40000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttymxc1,115200";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led0: user0 {
+			label = "user0";
+			gpios = <&gpio4 6 0>; /* 102 -> MX6_PANLEDG# */
+			linux,default-trigger = "heartbeat";
+		};
+
+		led1: user1 {
+			label = "user1";
+			gpios = <&gpio4 10 0>; /* 106 -> MX6_PANLEDR# */
+		};
+
+		led2: user2 {
+			label = "user2";
+			gpios = <&gpio4 15 0>; /* 111 -> MX6_LOCLEDR# */
+		};
+	};
+
+	regulators {
+		compatible = "simple-bus";
+
+		reg_2p5v: 2p5v {
+			compatible = "regulator-fixed";
+			regulator-name = "2P5V";
+			regulator-min-microvolt = <2500000>;
+			regulator-max-microvolt = <2500000>;
+			regulator-always-on;
+		};
+
+		reg_3p3v: 3p3v {
+			compatible = "regulator-fixed";
+			regulator-name = "3P3V";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			regulator-always-on;
+		};
+
+		reg_usb_otg_vbus: usb_otg_vbus {
+			compatible = "regulator-fixed";
+			regulator-name = "usb_otg_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio3 22 0>;
+			enable-active-high;
+		};
+	};
+
+	sound {
+		compatible = "fsl,imx6q-sabrelite-sgtl5000",
+			     "fsl,imx-audio-sgtl5000";
+		model = "imx6q-sabrelite-sgtl5000";
+		ssi-controller = <&ssi1>;
+		audio-codec = <&codec>;
+		audio-routing =
+			"MIC_IN", "Mic Jack",
+			"Mic Jack", "Mic Bias",
+			"Headphone Jack", "HP_OUT";
+		mux-int-port = <1>;
+		mux-ext-port = <4>;
+	};
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hog>;
+
+	hog {
+		pinctrl_hog: hoggrp {
+			fsl,pins = <
+				/* USB OTG Power Enable */
+				MX6Q_PAD_EIM_D22__GPIO3_IO22   0x80000000
+
+				/*  3:19 SPINOR_CS0# */
+				MX6Q_PAD_EIM_D19__GPIO3_IO19   0x80000000
+
+				/*  1:09 MX6_DIO0 (could also be PWM1_PWM0) */
+				MX6Q_PAD_GPIO_9__GPIO1_IO09    0x80000000
+				/*  1:19 MX6_DIO1 (could also be PWM2_PWM0) */
+				MX6Q_PAD_SD1_DAT2__GPIO1_IO19  0x80000000
+				/*  2:09 MX6_DIO2 (could also be PWM3_PWM0) */
+				MX6Q_PAD_SD4_DAT1__GPIO2_IO09  0x80000000
+				/*  2:10 MX6_DIO3 (could also be PWM3_PWM0) */
+				MX6Q_PAD_SD4_DAT2__GPIO2_IO10  0x80000000
+
+				/*  1:16 USBHUB_RST# */
+				MX6Q_PAD_SD1_DAT0__GPIO1_IO16   0x80000000
+
+				/* PCIE IRQ */
+				MX6Q_PAD_ENET_TX_EN__GPIO1_IO28 0x80000000
+				/* PCIE RST */
+				MX6Q_PAD_ENET_TXD1__GPIO1_IO29  0x08000000
+
+				/*  1:12 MIPI_DIO */
+				MX6Q_PAD_SD1_DAT3__GPIO1_IO21   0x80000000
+
+				/*  AUD4_MCK */
+				MX6Q_PAD_GPIO_0__CCM_CLKO1      0x80000000
+			 >;
+		};
+	};
+
+#if 0
+	/* ipu1: IPU1_CSI0: HDMI reciver (Digital Video In) */
+	ipu1 {
+		pinctrl_ipu1_1: ipu1grp-5 {
+			fsl,pins = <
+				MX6Q_PAD_CSI0_MCLK__IPU1_CSI0_HSYNC
+				MX6Q_PAD_CSI0_DATA_EN__IPU1_CSI0_DATA_EN
+				MX6Q_PAD_CSI0_PIXCLK__IPU1_CSI0_PIXCLK
+				MX6Q_PAD_CSI0_VSYNC__IPU1_CSI0_VSYNC
+				MX6Q_PAD_CSI0_DAT4__IPU1_CSI0_DATA04
+				MX6Q_PAD_CSI0_DAT5__IPU1_CSI0_DATA05
+				MX6Q_PAD_CSI0_DAT6__IPU1_CSI0_DATA06
+				MX6Q_PAD_CSI0_DAT7__IPU1_CSI0_DATA07
+				MX6Q_PAD_CSI0_DAT8__IPU1_CSI0_DATA08
+				MX6Q_PAD_CSI0_DAT9__IPU1_CSI0_DATA09
+				MX6Q_PAD_CSI0_DAT10__IPU1_CSI0_DATA10
+				MX6Q_PAD_CSI0_DAT11__IPU1_CSI0_DATA11
+				MX6Q_PAD_CSI0_DAT12__IPU1_CSI0_DATA12
+				MX6Q_PAD_CSI0_DAT13__IPU1_CSI0_DATA13
+				MX6Q_PAD_CSI0_DAT14__IPU1_CSI0_DATA14
+				MX6Q_PAD_CSI0_DAT15__IPU1_CSI0_DATA15
+				MX6Q_PAD_CSI0_DAT16__IPU1_CSI0_DATA16
+				MX6Q_PAD_CSI0_DAT17__IPU1_CSI0_DATA17
+				MX6Q_PAD_CSI0_DAT18__IPU1_CSI0_DATA18
+				MX6Q_PAD_CSI0_DAT19__IPU1_CSI0_DATA19
+			>;
+		};
+	};
+
+	/* ipu2: IPU1_CSI1: Analog Video Decoder (Analog Video In) */
+	/* IPU2_CSI1: Analog Video Decoder (Analog Video In) */
+	ipu2 {
+		pinctrl_ipu2_1: ipu2grp-1 {
+			fsl,pins = <
+				MX6Q_PAD_EIM_A17__IPU2_CSI1_DATA12
+				MX6Q_PAD_EIM_D27__IPU2_CSI1_DATA13
+				MX6Q_PAD_EIM_D26__IPU2_CSI1_DATA14
+				MX6Q_PAD_EIM_D20__IPU2_CSI1_DATA15
+				MX6Q_PAD_EIM_D19__IPU2_CSI1_DATA16
+				MX6Q_PAD_EIM_D18__IPU2_CSI1_DATA17
+				MX6Q_PAD_EIM_D16__IPU2_CSI1_DATA18
+				MX6Q_PAD_EIM_EB2__IPU2_CSI1_DATA19
+
+				MX6Q_PAD_EIM_D29__IPU2_CSI1_VSYNC
+				MX6Q_PAD_EIM_EB3__IPU2_CSI1_HSYNC
+// not sure why this causes kernel to crash in early init
+//			MX6Q_PAD_EIM_A16__IPU2_CSI1_PIXCLK
+			>;
+		};
+	};
+
+	/* ipu3: IPU2_DISP0: Analog Video Encoder (Analog Video Out) */
+	ipu3 {
+		pinctrl_ipu3_1: ipu3grp-5 {
+			fsl,pins = <
+				MX6Q_PAD_DISP0_DAT0__IPU2_DISP0_DATA00
+				MX6Q_PAD_DISP0_DAT1__IPU2_DISP0_DATA01
+				MX6Q_PAD_DISP0_DAT2__IPU2_DISP0_DATA02
+				MX6Q_PAD_DISP0_DAT3__IPU2_DISP0_DATA03
+				MX6Q_PAD_DISP0_DAT4__IPU2_DISP0_DATA04
+				MX6Q_PAD_DISP0_DAT5__IPU2_DISP0_DATA05
+				MX6Q_PAD_DISP0_DAT6__IPU2_DISP0_DATA06
+				MX6Q_PAD_DISP0_DAT7__IPU2_DISP0_DATA07
+				MX6Q_PAD_DISP0_DAT8__IPU2_DISP0_DATA08
+				MX6Q_PAD_DISP0_DAT9__IPU2_DISP0_DATA09
+				MX6Q_PAD_DISP0_DAT10__IPU2_DISP0_DATA10
+				MX6Q_PAD_DISP0_DAT11__IPU2_DISP0_DATA11
+				MX6Q_PAD_DISP0_DAT12__IPU2_DISP0_DATA12
+				MX6Q_PAD_DISP0_DAT13__IPU2_DISP0_DATA13
+				MX6Q_PAD_DISP0_DAT14__IPU2_DISP0_DATA14
+				MX6Q_PAD_DISP0_DAT15__IPU2_DISP0_DATA15
+			>;
+		};
+	};
+#endif
+};
+
+&ecspi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi1_1>;
+	status = "okay";
+
+	flash: m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "sst,w25q256";
+		spi-max-frequency = <30000000>;
+		reg = <0>;
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1_2>;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2_2>;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3_1>;
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart5_1>;
+};
+
+&ssi1 {
+	fsl,mode = "i2s-slave";
+	status = "okay";
+};
+
+&ssi2 {
+	fsl,mode = "i2s-slave";
+	status = "okay";
+};
+
+&can1 {
+	reg = <0x02090000 0x4000>;
+	interrupts = <0 110 0x04>;
+	//clock-frequency
+	status = "okay";
+};
+
+&usbh1 {
+	status = "okay";
+};
+
+&pcie {
+	rst-gpios = <&gpio1 29 0>; /* PCIESWT_RST# */
+	clken-gpios = <&gpio1 20 0>; /* not used */
+	status = "okay";
+
+	eth1: sky2@8 { /* MAC/PHY on bus 8 */
+		compatible = "marvell,sky2";
+		/* Filled in by U-Boot */
+		mac-address = [ 00 00 00 00 00 00 ];
+	};	
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet_1>;
+	phy-mode = "rgmii";
+	phy-reset-gpios = <&gpio1 30 0>;
+	status = "okay";
+};
+
+&usdhc3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc3_2>;
+	cd-gpios = <&gpio7 0 0>;
+	vmmc-supply = <&reg_3p3v>;
+	status = "okay";
+};
+
+&audmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux_3>;
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1_1>;
+
+	eeprom: eeprom@50 {
+		compatible = "atmel,24c02";
+		reg = <0x50>;
+		pagesize = <16>;
+	};
+
+	eeprom1: eeprom@50 {
+		compatible = "atmel,24c02";
+		reg = <0x50>;
+		pagesize = <16>;
+	};
+
+	eeprom2: eeprom@51 {
+		compatible = "atmel,24c02";
+		reg = <0x51>;
+		pagesize = <16>;
+	};
+
+	eeprom3: eeprom@52 {
+		compatible = "atmel,24c02";
+		reg = <0x52>;
+		pagesize = <16>;
+	};
+
+	eeprom4: eeprom@53 {
+		compatible = "atmel,24c02";
+		reg = <0x53>;
+		pagesize = <16>;
+	};
+
+	rtc: ds1672@68 {
+		compatible = "dallas,ds1672";
+		reg = <0x68>;
+	};
+
+	gpio: pca9555@23 {
+		compatible = "nxp,pca9555";
+		reg = <0x23>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	hwmon: gsc@29 {
+		compatible = "gw,gsp";
+		reg = <0x29>;
+	};
+};
+
+&i2c2 {
+	status = "okay";
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2_2>;
+
+	pmic: pfuze@08 {
+		compatible = "fsl,pfuze100";
+		reg = <0x0a>;
+	};
+
+	pciswitch: pex8609@3f {
+		compatible = "plx,pex8609";
+		reg = <0x3f>;
+	};
+
+	pciclkgen: si52147@6b {
+		compatible = "sil,si52147";
+		reg = <0x6b>;
+	};
+};
+
+&i2c3 {
+	status = "okay";
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3_2>;
+
+	codec: sgtl5000@0a {
+		compatible = "fsl,sgtl5000";
+		reg = <0x0a>;
+		clocks = <&clks 169>;
+		VDDA-supply = <&reg_2p5v>;
+		VDDIO-supply = <&reg_3p3v>;
+	};
+
+	accelerometer: mma8450@1c {
+		compatible = "fsl,mma8450";
+		reg = <0x1c>;
+	};
+
+	videoout: adv7393@2a {
+		compatible = "adi,adv7393";
+		reg = <0x2a>;
+	};
+
+	videoin: adv7180@20 {
+		compatible = "adi,adv7180";
+		reg = <0x20>;
+	};
+
+	hdmiin: adv7611@4c {
+		compatible = "adi,adv7611";
+		reg = <0x4c>;
+	};
+
+	touchscreen: egalax_ts@04 {
+		compatible = "eeti,egalax_ts";
+		reg = <0x04>;
+		wakeup-gpios = <&gpio1 12 0>;
+	};
+};
+
+&ldb {
+	status = "okay";
+	lvds-channel@0 {
+		crtcs = <&ipu1 0>, <&ipu1 1>, <&ipu2 0>, <&ipu2 1>;
+	};
+};
diff --git a/target/linux/imx6/files-3.10/arch/arm/boot/dts/imx6q-ventana.dtsi b/target/linux/imx6/files-3.10/arch/arm/boot/dts/imx6q-ventana.dtsi
new file mode 100644
index 0000000..7cebdba
--- /dev/null
+++ b/target/linux/imx6/files-3.10/arch/arm/boot/dts/imx6q-ventana.dtsi
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2013 Gateworks Corporation
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include "imx6q.dtsi"
+
+/ {
+	model = "Gateworks Ventana";
+	system-serial = "";
+
+	// these are used by bootloader for disabling nodes
+	aliases {
+		// ethernet0 = &eth0;
+		// ethernet1 = &eth1;
+		ssi0 = &ssi1;
+		ssi1 = &ssi2;
+		ipu0 = &ipu1;
+		ipu1 = &ipu2;
+		// mipi_csi = &mipi_csi;
+		// mipi_dsi = &mipi_dsi;
+		usdhc0 = &usdhc1;
+		usdhc1 = &usdhc2;
+		usdhc2 = &usdhc3;
+		usdhc3 = &usdhc4;
+		i2c0 = &i2c1;
+		i2c1 = &i2c2;
+		i2c2 = &i2c3;
+		usb0 = &usbh3;
+		usb1 = &usbotg;
+		spi0 = &ecspi1;
+		spi1 = &ecspi2;
+		spi2 = &ecspi3;
+		spi3 = &ecspi4;
+		spi4 = &ecspi5;
+		pwm0 = &pwm1;
+		pwm1 = &pwm2;
+		pwm2 = &pwm3;
+		pwm3 = &pwm4;
+		can0 = &can1;
+		led0 = &led0;
+		led1 = &led1;
+		led2 = &led2;
+	};
+};
diff --git a/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.c b/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.c
new file mode 100644
index 0000000..8850eaf
--- /dev/null
+++ b/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.c
@@ -0,0 +1,156 @@
+/*
+ * arch/arm/mach-mx6/msi.c
+ *
+ * PCI MSI support for the imx processor
+ *
+ * Copyright (c) 2013, Boundary Devices.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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/module.h>
+#include <linux/pci.h>
+#include <linux/msi.h>
+#include <asm/bitops.h>
+#include <asm/mach/irq.h>
+#include <asm/irq.h>
+#include <linux/irqchip/chained_irq.h>
+
+#include "hardware.h"
+#include "msi.h"
+
+#define IMX_NUM_MSI_IRQS 128
+static DECLARE_BITMAP(msi_irq_in_use, IMX_NUM_MSI_IRQS);
+static int irq_base;
+
+static void imx_msi_handler(unsigned int irq, struct irq_desc *desc)
+{
+	int i, j;
+	unsigned status;
+	struct irq_chip *chip = irq_get_chip(irq);
+
+	irq_base = irq_alloc_descs(-1, 0, IMX_NUM_MSI_IRQS, 0);
+	if (irq_base < 0) {
+		printk(KERN_ERR "%s: could not allocate IRQ numbers\n", __func__);
+		return;
+	}
+
+	chained_irq_enter(chip, desc);
+	for (i = 0; i < 8; i++) {
+		status = imx_pcie_msi_pending(i);
+		while (status) {
+			j = __fls(status);
+			generic_handle_irq(irq_base + j);
+			status &= ~(1 << j);
+		}
+		irq_base += 32;
+	}
+	chained_irq_exit(chip, desc);
+}
+
+/*
+ * Dynamic irq allocate and deallocation
+ */
+int create_irq(void)
+{
+	int irq, pos;
+
+	do {
+		pos = find_first_zero_bit(msi_irq_in_use, IMX_NUM_MSI_IRQS);
+		if ((unsigned)pos >= IMX_NUM_MSI_IRQS)
+			return -ENOSPC;
+		/* test_and_set_bit operates on 32-bits at a time */
+	} while (test_and_set_bit(pos, msi_irq_in_use));
+
+	irq = irq_base + pos;
+	dynamic_irq_init(irq);
+	return irq;
+}
+
+void destroy_irq(unsigned int irq)
+{
+	int pos = irq - irq_base;
+
+	dynamic_irq_cleanup(irq);
+	clear_bit(pos, msi_irq_in_use);
+}
+
+void arch_teardown_msi_irq(unsigned int irq)
+{
+	destroy_irq(irq);
+}
+
+static void imx_msi_irq_ack(struct irq_data *d)
+{
+	return;
+}
+
+static void imx_msi_irq_enable(struct irq_data *d)
+{
+	imx_pcie_enable_irq(d->irq - irq_base, 1);
+	return unmask_msi_irq(d);
+}
+
+static void imx_msi_irq_disable(struct irq_data *d)
+{
+	imx_pcie_enable_irq(d->irq - irq_base, 0);
+	return mask_msi_irq(d);
+}
+
+static void imx_msi_irq_mask(struct irq_data *d)
+{
+	imx_pcie_mask_irq(d->irq - irq_base, 1);
+	return mask_msi_irq(d);
+}
+
+static void imx_msi_irq_unmask(struct irq_data *d)
+{
+	imx_pcie_mask_irq(d->irq - irq_base, 0);
+	return unmask_msi_irq(d);
+}
+
+static struct irq_chip imx_msi_chip = {
+	.name = "PCIe-MSI",
+	.irq_ack = imx_msi_irq_ack,
+	.irq_enable = imx_msi_irq_enable,
+	.irq_disable = imx_msi_irq_disable,
+	.irq_mask = imx_msi_irq_mask,
+	.irq_unmask = imx_msi_irq_unmask,
+};
+
+int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
+{
+	int irq = create_irq();
+	struct msi_msg msg;
+
+	if (irq < 0)
+		return irq;
+
+	irq_set_msi_desc(irq, desc);
+
+	msg.address_hi = 0x0;
+	msg.address_lo = MSI_MATCH_ADDR;
+	msg.data = (mxc_cpu_type << 15) | ((irq - irq_base) & 0xff);
+
+	write_msi_msg(irq, &msg);
+	irq_set_chip_and_handler(irq, &imx_msi_chip, handle_simple_irq);
+	set_irq_flags(irq, IRQF_VALID);
+	pr_info("%s: %d of %d\n", __func__, irq, NR_IRQS);
+	return 0;
+}
+
+void imx_msi_init(void)
+{
+	irq_set_chained_handler(MXC_INT_PCIE_0, imx_msi_handler);
+}
diff --git a/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.h b/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.h
new file mode 100644
index 0000000..3f9be01
--- /dev/null
+++ b/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2013 Boundary Devices, Inc. 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+void imx_pcie_enable_irq(unsigned pos, int set);
+void imx_pcie_mask_irq(unsigned pos, int set);
+unsigned imx_pcie_msi_pending(unsigned index);
+
+#define MSI_MATCH_ADDR	0x10000050
+#define MXC_INT_PCIE_0      152
+#define MXC_INT_PCIE_1      153
+#define MXC_INT_PCIE_2      154
+#define MXC_INT_PCIE_3      155
+
+void imx_msi_init(void);
diff --git a/target/linux/imx6/files-3.10/arch/arm/mach-imx/pcie.c b/target/linux/imx6/files-3.10/arch/arm/mach-imx/pcie.c
new file mode 100644
index 0000000..44bd560
--- /dev/null
+++ b/target/linux/imx6/files-3.10/arch/arm/mach-imx/pcie.c
@@ -0,0 +1,1037 @@
+/*
+ * arch/arm/mach-imx/pcie.c
+ *
+ * PCIe host controller driver for IMX6 SOCs
+ *
+ * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2013 Tim Harvey <tharvey@gateworks.com>
+ *
+ * Bits taken from arch/arm/mach-dove/pcie.c
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/of_gpio.h>
+
+#include <asm/signal.h>
+#include <asm/mach/pci.h>
+#include <asm/sizes.h>
+
+#include "msi.h"
+
+/* PCIe Registers */
+#define PCIE_ARB_BASE_ADDR  0x01000000
+#define PCIE_ARB_END_ADDR   0x01FFFFFF
+#define PCIE_RC_IOBLSSR     0x1c
+
+/* Register Definitions */
+#define PRT_LOG_R_BaseAddress 0x700
+
+/* Register DB_R0 */
+/* Debug Register 0 */
+#define DB_R0 (PRT_LOG_R_BaseAddress + 0x28)
+#define DB_R0_RegisterSize 32
+#define DB_R0_RegisterResetValue 0x0
+#define DB_R0_RegisterResetMask 0xFFFFFFFF
+/* End of Register Definition for DB_R0 */
+
+/* Register DB_R1 */
+/* Debug Register 1 */
+#define DB_R1 (PRT_LOG_R_BaseAddress + 0x2c)
+#define DB_R1_RegisterSize 32
+#define DB_R1_RegisterResetValue 0x0
+#define DB_R1_RegisterResetMask 0xFFFFFFFF
+/* End of Register Definition for DB_R1 */
+
+#define PCIE_PL_MSICA		0x820
+#define PCIE_PL_MSICUA		0x824
+#define PCIE_PL_MSIC_INT	0x828
+
+#define MSIC_INT_EN	0x0
+#define MSIC_INT_MASK	0x4
+#define MSIC_INT_STATUS	0x8
+
+#define ATU_R_BaseAddress 0x900
+#define ATU_VIEWPORT_R (ATU_R_BaseAddress + 0x0)
+#define ATU_REGION_CTRL1_R (ATU_R_BaseAddress + 0x4)
+#define ATU_REGION_CTRL2_R (ATU_R_BaseAddress + 0x8)
+#define ATU_REGION_LOWBASE_R (ATU_R_BaseAddress + 0xC)
+#define ATU_REGION_UPBASE_R (ATU_R_BaseAddress + 0x10)
+#define ATU_REGION_LIMIT_ADDR_R (ATU_R_BaseAddress + 0x14)
+#define ATU_REGION_LOW_TRGT_ADDR_R (ATU_R_BaseAddress + 0x18)
+#define ATU_REGION_UP_TRGT_ADDR_R (ATU_R_BaseAddress + 0x1C)
+
+/* IOMUXC */
+#define IOMUXC_GPR_BASE_ADDR	0x020E0000
+#define IOMUXC_GPR1     (imx_pcie.gpr_base + 0x04)
+#define IOMUXC_GPR8     (imx_pcie.gpr_base + 0x20)
+#define IOMUXC_GPR12    (imx_pcie.gpr_base + 0x30)
+/* GPR1: iomuxc_gpr1_pcie_ref_clk_en(iomuxc_gpr1[16]) */
+#define iomuxc_gpr1_pcie_ref_clk_en		(1 << 16)
+/* GPR1: iomuxc_gpr1_test_powerdown(iomuxc_gpr1_18) */
+#define iomuxc_gpr1_test_powerdown		(1 << 18)
+/* GPR12: iomuxc_gpr12_los_level(iomuxc_gpr12[8:4]) */
+#define iomuxc_gpr12_los_level			(0x1F << 4)
+/* GPR12: iomuxc_gpr12_app_ltssm_enable(iomuxc_gpr12[10]) */
+#define iomuxc_gpr12_app_ltssm_enable		(1 << 10)
+/* GPR12: iomuxc_gpr12_device_type(iomuxc_gpr12[15:12]) */
+#define iomuxc_gpr12_device_type		(0xF << 12)
+/* GPR8: iomuxc_gpr8_tx_deemph_gen1(iomuxc_gpr8[5:0]) */
+#define iomuxc_gpr8_tx_deemph_gen1		(0x3F << 0)
+/* GPR8: iomuxc_gpr8_tx_deemph_gen2_3p5db(iomuxc_gpr8[11:6]) */
+#define iomuxc_gpr8_tx_deemph_gen2_3p5db	(0x3F << 6)
+/* GPR8: iomuxc_gpr8_tx_deemph_gen2_6db(iomuxc_gpr8[17:12]) */
+#define iomuxc_gpr8_tx_deemph_gen2_6db		(0x3F << 12)
+/* GPR8: iomuxc_gpr8_tx_swing_full(iomuxc_gpr8[24:18]) */
+#define iomuxc_gpr8_tx_swing_full		(0x7F << 18)
+/* GPR8: iomuxc_gpr8_tx_swing_low(iomuxc_gpr8[31:25]) */
+#define iomuxc_gpr8_tx_swing_low		(0x7F << 25)
+
+/* Registers of PHY */
+/* Register PHY_STS_R */
+/* PHY Status Register */
+#define PHY_STS_R (PRT_LOG_R_BaseAddress + 0x110)
+
+/* Register PHY_CTRL_R */
+/* PHY Control Register */
+#define PHY_CTRL_R (PRT_LOG_R_BaseAddress + 0x114)
+
+#define SSP_CR_SUP_DIG_MPLL_OVRD_IN_LO 0x0011
+/* FIELD: RES_ACK_IN_OVRD [15:15]
+// FIELD: RES_ACK_IN [14:14]
+// FIELD: RES_REQ_IN_OVRD [13:13]
+// FIELD: RES_REQ_IN [12:12]
+// FIELD: RTUNE_REQ_OVRD [11:11]
+// FIELD: RTUNE_REQ [10:10]
+// FIELD: MPLL_MULTIPLIER_OVRD [9:9]
+// FIELD: MPLL_MULTIPLIER [8:2]
+// FIELD: MPLL_EN_OVRD [1:1]
+// FIELD: MPLL_EN [0:0]
+*/
+
+#define SSP_CR_SUP_DIG_ATEOVRD 0x0010
+/* FIELD: ateovrd_en [2:2]
+// FIELD: ref_usb2_en [1:1]
+// FIELD: ref_clkdiv2 [0:0]
+*/
+
+#define SSP_CR_LANE0_DIG_RX_OVRD_IN_LO 0x1005
+/* FIELD: RX_LOS_EN_OVRD [13:13]
+// FIELD: RX_LOS_EN [12:12]
+// FIELD: RX_TERM_EN_OVRD [11:11]
+// FIELD: RX_TERM_EN [10:10]
+// FIELD: RX_BIT_SHIFT_OVRD [9:9]
+// FIELD: RX_BIT_SHIFT [8:8]
+// FIELD: RX_ALIGN_EN_OVRD [7:7]
+// FIELD: RX_ALIGN_EN [6:6]
+// FIELD: RX_DATA_EN_OVRD [5:5]
+// FIELD: RX_DATA_EN [4:4]
+// FIELD: RX_PLL_EN_OVRD [3:3]
+// FIELD: RX_PLL_EN [2:2]
+// FIELD: RX_INVERT_OVRD [1:1]
+// FIELD: RX_INVERT [0:0]
+*/
+
+#define SSP_CR_LANE0_DIG_RX_ASIC_OUT 0x100D
+/* FIELD: LOS [2:2]
+// FIELD: PLL_STATE [1:1]
+// FIELD: VALID [0:0]
+*/
+
+/* control bus bit definition */
+#define PCIE_CR_CTL_DATA_LOC 0
+#define PCIE_CR_CTL_CAP_ADR_LOC 16
+#define PCIE_CR_CTL_CAP_DAT_LOC 17
+#define PCIE_CR_CTL_WR_LOC 18
+#define PCIE_CR_CTL_RD_LOC 19
+#define PCIE_CR_STAT_DATA_LOC 0
+#define PCIE_CR_STAT_ACK_LOC 16
+
+#define PCIE_CAP_STRUC_BaseAddress 0x70
+
+/* Register LNK_CAP */
+/* PCIE Link cap */
+#define LNK_CAP (PCIE_CAP_STRUC_BaseAddress + 0xc)
+
+/* End of Register Definitions */
+
+enum {
+	MemRdWr = 0,
+	MemRdLk = 1,
+	IORdWr = 2,
+	CfgRdWr0 = 4,
+	CfgRdWr1 = 5
+};
+
+struct imx_pcie_port {
+	u8			index;
+	u8			root_bus_nr;
+	void __iomem		*base;
+	void __iomem		*dbi_base;
+	spinlock_t		conf_lock;
+
+	char			io_space_name[16];
+	char			mem_space_name[16];
+
+	struct resource		res[2];
+	struct clk *clk;
+};
+
+struct imx_pcie_info {
+	struct imx_pcie_port imx_pcie_port[1];
+	int num_pcie_ports;
+
+	void __iomem *base;
+	void __iomem *dbi_base;
+	void __iomem *gpr_base;
+
+	unsigned int pcie_pwr_en;
+	unsigned int pcie_rst;
+	unsigned int pcie_wake_up;
+	unsigned int pcie_dis;
+};
+
+static struct imx_pcie_info imx_pcie;
+
+static int pcie_phy_cr_read(int addr, int *data);
+static int pcie_phy_cr_write(int addr, int data);
+static void change_field(int *in, int start, int end, int val);
+
+/* IMX PCIE GPR configure routines */
+static inline void imx_pcie_clrset(u32 mask, u32 val, void __iomem *addr)
+{
+	writel(((readl(addr) & ~mask) | (val & mask)), addr);
+}
+
+static int imx_pcie_setup(int nr, struct pci_sys_data *sys)
+{
+	struct imx_pcie_port *pp;
+
+	if (nr >= imx_pcie.num_pcie_ports)
+		return 0;
+
+	pp = &imx_pcie.imx_pcie_port[nr];
+	pp->root_bus_nr = sys->busnr;
+
+	/*
+	 * IORESOURCE_IO
+	 */
+	snprintf(pp->io_space_name, sizeof(pp->io_space_name),
+		 "PCIe %d I/O", pp->index);
+	pp->io_space_name[sizeof(pp->io_space_name) - 1] = 0;
+	pp->res[0].name = pp->io_space_name;
+	if (pp->index == 0) {
+		pp->res[0].start = PCIE_ARB_BASE_ADDR;
+		pp->res[0].end = pp->res[0].start + SZ_1M - 1;
+	}
+	pp->res[0].flags = IORESOURCE_IO;
+	if (request_resource(&ioport_resource, &pp->res[0]))
+		panic("Request PCIe IO resource failed\n");
+	pci_add_resource_offset(&sys->resources, &pp->res[0], sys->io_offset);
+
+	/*
+	 * IORESOURCE_MEM
+	 */
+	snprintf(pp->mem_space_name, sizeof(pp->mem_space_name),
+			"PCIe %d MEM", pp->index);
+	pp->mem_space_name[sizeof(pp->mem_space_name) - 1] = 0;
+	pp->res[1].name = pp->mem_space_name;
+	if (pp->index == 0) {
+		pp->res[1].start = PCIE_ARB_BASE_ADDR + SZ_1M;
+		pp->res[1].end = pp->res[1].start + SZ_16M - SZ_2M - 1;
+	}
+	pp->res[1].flags = IORESOURCE_MEM;
+	if (request_resource(&iomem_resource, &pp->res[1]))
+		panic("Request PCIe Memory resource failed\n");
+	pci_add_resource_offset(&sys->resources, &pp->res[1], sys->mem_offset);
+
+	return 1;
+}
+
+static int imx_pcie_link_up(void __iomem *dbi_base)
+{
+	/* Check the pcie link up or link down */
+	int iterations = 200;
+	u32 rc, ltssm, rx_valid, temp;
+
+	do {
+		/* link is debug bit 36 debug 1 start in bit 32 */
+		rc = readl(dbi_base + DB_R1) & (0x1 << (36 - 32)) ;
+		iterations--;
+		usleep_range(2000, 3000);
+
+		/* From L0, initiate MAC entry to gen2 if EP/RC supports gen2.
+		 * Wait 2ms (LTSSM timeout is 24ms, PHY lock is ~5us in gen2).
+		 * If (MAC/LTSSM.state == Recovery.RcvrLock)
+		 * && (PHY/rx_valid==0) then pulse PHY/rx_reset. Transition
+		 * to gen2 is stuck
+		 */
+		pcie_phy_cr_read(SSP_CR_LANE0_DIG_RX_ASIC_OUT, &rx_valid);
+		ltssm = readl(dbi_base + DB_R0) & 0x3F;
+		if ((ltssm == 0x0D) && ((rx_valid & 0x01) == 0)) {
+			pr_info("Transition to gen2 is stuck, reset PHY!\n");
+			pcie_phy_cr_read(SSP_CR_LANE0_DIG_RX_OVRD_IN_LO, &temp);
+			change_field(&temp, 3, 3, 0x1);
+			change_field(&temp, 5, 5, 0x1);
+			pcie_phy_cr_write(SSP_CR_LANE0_DIG_RX_OVRD_IN_LO,
+					0x0028);
+			usleep_range(2000, 3000);
+			pcie_phy_cr_read(SSP_CR_LANE0_DIG_RX_OVRD_IN_LO, &temp);
+			change_field(&temp, 3, 3, 0x0);
+			change_field(&temp, 5, 5, 0x0);
+			pcie_phy_cr_write(SSP_CR_LANE0_DIG_RX_OVRD_IN_LO,
+					0x0000);
+		}
+
+		if ((iterations < 0))
+			pr_info("link up failed, DB_R0:0x%08x, DB_R1:0x%08x!\n"
+					, readl(dbi_base + DB_R0)
+					, readl(dbi_base + DB_R1));
+	} while (!rc && iterations);
+
+	if (!rc)
+		return 0;
+	return 1;
+}
+
+static void imx_pcie_regions_setup(void __iomem *dbi_base)
+{
+	unsigned bus;
+	unsigned i;
+	unsigned untranslated_base = PCIE_ARB_END_ADDR +1 - SZ_1M;
+	void __iomem *p = dbi_base + PCIE_PL_MSIC_INT;
+	/*
+	 * i.MX6 defines 16MB in the AXI address map for PCIe.
+	 *
+	 * That address space excepted the pcie registers is
+	 * split and defined into different regions by iATU,
+	 * with sizes and offsets as follows:
+	 *
+	 * 0x0100_0000 --- 0x010F_FFFF 1MB IORESOURCE_IO
+	 * 0x0110_0000 --- 0x01EF_FFFF 14MB IORESOURCE_MEM
+	 * 0x01F0_0000 --- 0x01FF_FFFF 1MB Cfg + Registers
+	 */
+
+	/* CMD reg:I/O space, MEM space, and Bus Master Enable */
+	writel(readl(dbi_base + PCI_COMMAND)
+			| PCI_COMMAND_IO
+			| PCI_COMMAND_MEMORY
+			| PCI_COMMAND_MASTER,
+			dbi_base + PCI_COMMAND);
+
+	/* Set the CLASS_REV of RC CFG header to PCI_CLASS_BRIDGE_PCI */
+	writel(readl(dbi_base + PCI_CLASS_REVISION)
+			| (PCI_CLASS_BRIDGE_PCI << 16),
+			dbi_base + PCI_CLASS_REVISION);
+
+	/*
+	 * region0-3 outbound used to access target cfg
+	 */
+	for (bus = 1; bus <= 4; bus++) {
+		writel(bus - 1, dbi_base + ATU_VIEWPORT_R);
+		writel(untranslated_base, dbi_base + ATU_REGION_LOWBASE_R);
+		untranslated_base += (1 << 18);
+		if (bus == 4)
+			untranslated_base -= (1 << 14); //(remove registers)
+		writel(untranslated_base - 1, dbi_base + ATU_REGION_LIMIT_ADDR_R);
+		writel(0, dbi_base + ATU_REGION_UPBASE_R);
+
+		writel(bus << 24, dbi_base + ATU_REGION_LOW_TRGT_ADDR_R);
+		writel(0, dbi_base + ATU_REGION_UP_TRGT_ADDR_R);
+		writel((bus > 1) ? CfgRdWr1 : CfgRdWr0,
+				dbi_base + ATU_REGION_CTRL1_R);
+		writel((1<<31), dbi_base + ATU_REGION_CTRL2_R);
+	}
+
+	writel(MSI_MATCH_ADDR, dbi_base + PCIE_PL_MSICA);
+	writel(0, dbi_base + PCIE_PL_MSICUA);
+	for (i = 0; i < 8 ; i++) {
+		writel(0, p + MSIC_INT_EN);
+		writel(0xffffffff, p + MSIC_INT_MASK);
+		writel(0xffffffff, p + MSIC_INT_STATUS);
+		p += 12;
+	}
+}
+
+void imx_pcie_mask_irq(unsigned pos, int set)
+{
+	unsigned mask = 1 << (pos & 0x1f);
+	unsigned val, newval;
+	void __iomem *p = imx_pcie.dbi_base + PCIE_PL_MSIC_INT + MSIC_INT_MASK + ((pos >> 5) * 12);
+	if (pos >= (8 * 32))
+		return;
+	val = readl(p);
+	if (set)
+		newval = val | mask;
+	else
+		newval = val & ~mask;
+	if (val != newval)
+		writel(newval, p);
+}
+
+void imx_pcie_enable_irq(unsigned pos, int set)
+{
+	unsigned mask = 1 << (pos & 0x1f);
+	unsigned val, newval;
+	void __iomem *p = imx_pcie.dbi_base + PCIE_PL_MSIC_INT + MSIC_INT_EN + ((pos >> 5) * 12);
+	if (pos >= (8 * 32))
+		return;
+	val = readl(p);
+	if (set)
+		newval = val | mask;
+	else
+		newval = val & ~mask;
+	if (val != newval)
+		writel(newval, p);
+	if (set && (val != newval))
+		imx_pcie_mask_irq(pos, 0);	/* unmask when enabled */
+}
+
+unsigned imx_pcie_msi_pending(unsigned index)
+{
+	unsigned val, mask;
+	void __iomem *p = imx_pcie.dbi_base + PCIE_PL_MSIC_INT + (index * 12);
+	if (index >= 8)
+		return 0;
+	val = readl(p + MSIC_INT_STATUS);
+	mask = readl(p + MSIC_INT_MASK);
+	val &= ~mask;
+	writel(val, p + MSIC_INT_STATUS);
+	return val;
+}
+
+static char master_abort(struct pci_bus *bus, u32 devfn, int where)
+{
+	u32 reg;
+	void __iomem *dbi_base = imx_pcie.dbi_base;
+	int ret = 0;
+
+ 	reg = readl(dbi_base + PCIE_RC_IOBLSSR);
+	if (reg & 0x71000000) {
+		if (reg & 1<<30)
+			pr_err("%d:%02d.%d 0x%04x: parity error\n", bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where);
+		if (reg & 1<<29) {
+			pr_err("%d:%02d.%d 0x%04x: master abort\n", bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where);
+			ret = 1;
+		}
+		if (reg & 1<<28)
+			pr_err("%d:%02d.%d 0x%04x: target abort\n", bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where);
+		if (reg & 1<<24)
+			pr_err("%d:%02d.%d 0x%04x: master data parity error\n", bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where);
+		writel(reg, dbi_base + PCIE_RC_IOBLSSR);
+		udelay(1500); // without this delay subsequent reads through bridge can erroneously return 0???
+	}
+	return ret;
+}
+
+static volatile void *get_cfg_addr(struct pci_bus *bus, u32 devfn, int where)
+{
+	unsigned busnum;
+	void __iomem *base = imx_pcie.base;
+	void __iomem *dbi_base = imx_pcie.dbi_base;
+
+	if (!bus->number) {
+		if (devfn != 0)
+			return 0;
+		return (imx_pcie.dbi_base) + (where & 0x0ffc);
+	}
+	if ((devfn > 0xff) || (bus->number > 15))
+		return 0;
+	busnum = bus->number - 1;
+	if ((busnum < 3) && (devfn <= 3)) {
+		return (base) + (busnum << 18) + (devfn << 16) + (where & 0xfffc);
+	}
+	writel(3, dbi_base + ATU_VIEWPORT_R);
+	writel((bus->number << 24) | (devfn << 16),
+			dbi_base + ATU_REGION_LOW_TRGT_ADDR_R);
+	writel((bus->number > 1) ? CfgRdWr1 : CfgRdWr0,
+			dbi_base + ATU_REGION_CTRL1_R);
+	return (base) + (3 << 18) + (where & 0xfffc);
+}
+
+static int imx_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where,
+			int size, u32 *val)
+{
+	const volatile void *va_address;
+	u32 v;
+
+	if (0)
+		pr_info("%s: bus=%x, devfn=%x, where=%x size=%x\n", __func__, bus->number, devfn, where, size);
+	va_address = get_cfg_addr(bus, devfn, where);
+	if (!va_address) {
+		*val = 0xffffffff;
+		return PCIBIOS_DEVICE_NOT_FOUND;
+	}
+	v = readl(va_address);
+	if (master_abort(bus, devfn, where)) {
+		return PCIBIOS_DEVICE_NOT_FOUND;	
+	}
+	if (0)
+		pr_info("%s: bus=%x, devfn=%x, where=%x size=%x v=%x\n", __func__, bus->number, devfn, where, size, v);
+	if (size == 4) {
+		*val = v;
+	} else if (size == 1) {
+		*val = (v >> (8 * (where & 3))) & 0xFF;
+	} else if (size == 2) {
+		*val = (v >> (8 * (where & 3))) & 0xFFFF;
+	} else {
+		*val = 0xffffffff;
+		return PCIBIOS_BAD_REGISTER_NUMBER;
+	}
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int imx_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
+			int where, int size, u32 val)
+{
+	volatile void *va_address;
+	u32 mask, tmp;
+
+	if (0)
+		pr_info("%s: bus=%x, devfn=%x, where=%x size=%x val=%x\n", __func__, bus->number, devfn, where, size, val);
+	va_address = get_cfg_addr(bus, devfn, where);
+	if (!va_address)
+		return PCIBIOS_DEVICE_NOT_FOUND;
+	if (size == 4) {
+		writel(val, va_address);
+		return (master_abort(bus, devfn, where))
+			?PCIBIOS_DEVICE_NOT_FOUND:PCIBIOS_SUCCESSFUL;
+	}
+	if (size == 2)
+		mask = ~(0xFFFF << ((where & 0x3) * 8));
+	else if (size == 1)
+		mask = ~(0xFF << ((where & 0x3) * 8));
+	else
+		return PCIBIOS_BAD_REGISTER_NUMBER;
+
+	tmp = readl(va_address) & mask;
+	tmp |= val << ((where & 0x3) * 8);
+	writel(tmp, va_address);
+	return (master_abort(bus, devfn, where))
+		?PCIBIOS_DEVICE_NOT_FOUND:PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops imx_pcie_ops = {
+	.read = imx_pcie_rd_conf,
+	.write = imx_pcie_wr_conf,
+};
+
+signed short irq_map[] = {
+	-EINVAL,
+	MXC_INT_PCIE_3,		/* int a */
+	MXC_INT_PCIE_2,		/* int b */
+	MXC_INT_PCIE_1,		/* int c */
+	MXC_INT_PCIE_0,		/* int d/MSI */
+};
+
+static int imx_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	int val = -EINVAL;
+	if (pin <= 4)
+		val = irq_map[pin];
+	return val;
+}
+
+static struct hw_pci imx_pci __initdata = {
+	.nr_controllers	= 1,
+	.setup		= imx_pcie_setup,
+	.ops    = &imx_pcie_ops,
+	.map_irq	= imx_pcie_map_irq,
+};
+
+/* PHY CR bus acess routines */
+static int pcie_phy_cr_ack_polling(int max_iterations, int exp_val)
+{
+	u32 temp_rd_data, wait_counter = 0;
+
+	do {
+		temp_rd_data = readl(imx_pcie.dbi_base + PHY_STS_R);
+		temp_rd_data = (temp_rd_data >> PCIE_CR_STAT_ACK_LOC) & 0x1;
+		wait_counter++;
+	} while ((wait_counter < max_iterations) && (temp_rd_data != exp_val));
+
+	if (temp_rd_data != exp_val)
+		return 0 ;
+	return 1 ;
+}
+
+static int pcie_phy_cr_cap_addr(int addr)
+{
+	u32 temp_wr_data;
+	void __iomem *dbi_base = imx_pcie.dbi_base;
+
+	/* write addr */
+	temp_wr_data = addr << PCIE_CR_CTL_DATA_LOC ;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* capture addr */
+	temp_wr_data |= (0x1 << PCIE_CR_CTL_CAP_ADR_LOC);
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack */
+	if (!pcie_phy_cr_ack_polling(100, 1))
+		return 0;
+
+	/* deassert cap addr */
+	temp_wr_data = addr << PCIE_CR_CTL_DATA_LOC;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack de-assetion */
+	if (!pcie_phy_cr_ack_polling(100, 0))
+		return 0 ;
+
+	return 1 ;
+}
+
+static int pcie_phy_cr_read(int addr , int *data)
+{
+	u32 temp_rd_data, temp_wr_data;
+	void __iomem *dbi_base = imx_pcie.dbi_base;
+
+	/*  write addr */
+	/* cap addr */
+	if (!pcie_phy_cr_cap_addr(addr))
+		return 0;
+
+	/* assert rd signal */
+	temp_wr_data = 0x1 << PCIE_CR_CTL_RD_LOC;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack */
+	if (!pcie_phy_cr_ack_polling(100, 1))
+		return 0;
+
+	/* after got ack return data */
+	temp_rd_data = readl(dbi_base + PHY_STS_R);
+	*data = (temp_rd_data & (0xffff << PCIE_CR_STAT_DATA_LOC)) ;
+
+	/* deassert rd signal */
+	temp_wr_data = 0x0;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack de-assetion */
+	if (!pcie_phy_cr_ack_polling(100, 0))
+		return 0 ;
+
+	return 1 ;
+
+}
+
+static int pcie_phy_cr_write(int addr, int data)
+{
+	u32 temp_wr_data;
+	void __iomem *dbi_base = imx_pcie.dbi_base;
+
+	/* write addr */
+	/* cap addr */
+	if (!pcie_phy_cr_cap_addr(addr))
+		return 0 ;
+
+	temp_wr_data = data << PCIE_CR_CTL_DATA_LOC;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* capture data */
+	temp_wr_data |= (0x1 << PCIE_CR_CTL_CAP_DAT_LOC);
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack */
+	if (!pcie_phy_cr_ack_polling(100, 1))
+		return 0 ;
+
+	/* deassert cap data */
+	temp_wr_data = data << PCIE_CR_CTL_DATA_LOC;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack de-assetion */
+	if (!pcie_phy_cr_ack_polling(100, 0))
+		return 0;
+
+	/* assert wr signal */
+	temp_wr_data = 0x1 << PCIE_CR_CTL_WR_LOC;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack */
+	if (!pcie_phy_cr_ack_polling(100, 1))
+		return 0;
+
+	/* deassert wr signal */
+	temp_wr_data = data << PCIE_CR_CTL_DATA_LOC;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	/* wait for ack de-assetion */
+	if (!pcie_phy_cr_ack_polling(100, 0))
+		return 0;
+
+	temp_wr_data = 0x0 ;
+	writel(temp_wr_data, dbi_base + PHY_CTRL_R);
+
+	return 1 ;
+}
+
+static void change_field(int *in, int start, int end, int val)
+{
+	int mask;
+
+	mask = ((0xFFFFFFFF << start) ^ (0xFFFFFFFF << (end + 1))) & 0xFFFFFFFF;
+	*in = (*in & ~mask) | (val << start);
+}
+
+static int imx_pcie_enable_controller(struct device *dev)
+{
+	struct clk *clk;
+	struct device_node *np = dev->of_node;
+
+	if (gpio_is_valid(imx_pcie.pcie_pwr_en)) {
+		/* Enable PCIE power */
+		gpio_request(imx_pcie.pcie_pwr_en, "PCIE POWER_EN");
+
+		/* activate PCIE_PWR_EN */
+		gpio_direction_output(imx_pcie.pcie_pwr_en, 1);
+	}
+
+	// power up PCIe PHY
+	imx_pcie_clrset(iomuxc_gpr1_test_powerdown, 0 << 18, IOMUXC_GPR1);
+
+	/* enable the clks */
+	if (np)
+		clk = of_clk_get(np, 0);
+	else
+		clk = devm_clk_get(dev, "pcie_clk");
+	if (IS_ERR(clk)) {
+		pr_err("no pcie clock.\n");
+		return -EINVAL;
+	}
+
+	if (clk_prepare_enable(clk)) {
+		pr_err("can't enable pcie clock.\n");
+		clk_put(clk);
+		return -EINVAL;
+	}
+
+	// Enable PCIe PHY ref clock
+	imx_pcie_clrset(iomuxc_gpr1_pcie_ref_clk_en, 1 << 16, IOMUXC_GPR1);
+
+	return 0;
+}
+
+static void card_reset(struct device *dev)
+{
+	if (gpio_is_valid(imx_pcie.pcie_rst)) {
+		/* PCIE RESET */
+		gpio_request(imx_pcie.pcie_rst, "PCIE RESET");
+
+		/* activate PERST_B */
+		gpio_direction_output(imx_pcie.pcie_rst, 0);
+
+		/* Add one reset to the pcie external device */
+		msleep(100);
+
+		/* deactive PERST_B */
+		gpio_direction_output(imx_pcie.pcie_rst, 1);
+	}
+}
+
+static void add_pcie_port(struct platform_device *pdev, void __iomem *base, void __iomem *dbi_base)
+{
+	struct clk *clk;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+
+	if (imx_pcie_link_up(dbi_base)) {
+		struct imx_pcie_port *pp = &imx_pcie.imx_pcie_port[imx_pcie.num_pcie_ports++];
+
+		pr_info("IMX PCIe port: link up.\n");
+
+		pp->index = 0;
+		pp->root_bus_nr = -1;
+		pp->base = base;
+		pp->dbi_base = dbi_base;
+		spin_lock_init(&pp->conf_lock);
+		memset(pp->res, 0, sizeof(pp->res));
+	} else {
+		pr_info("IMX PCIe port: link down!\n");
+		/* Release the clocks, and disable the power */
+
+		if (np)
+			clk = of_clk_get(np, 0);
+		else
+			clk = clk_get(NULL, "pcie_clk");
+		if (IS_ERR(clk)) {
+			pr_err("no pcie clock.\n");
+			return;
+		}
+
+		clk_disable_unprepare(clk);
+		clk_put(clk);
+
+		// Disable the PCIE PHY Ref Clock
+		imx_pcie_clrset(iomuxc_gpr1_pcie_ref_clk_en, 0 << 16, IOMUXC_GPR1);
+
+		if (gpio_is_valid(imx_pcie.pcie_pwr_en)) {
+			/* Disable PCIE power */
+			gpio_request(imx_pcie.pcie_pwr_en, "PCIE POWER_EN");
+
+			/* activate PCIE_PWR_EN */
+			gpio_direction_output(imx_pcie.pcie_pwr_en, 0);
+		}
+
+		// Power down PCIE PHY
+		imx_pcie_clrset(iomuxc_gpr1_test_powerdown, 1 << 18, IOMUXC_GPR1);
+	}
+}
+
+static int imx_pcie_abort_handler(unsigned long addr, unsigned int fsr,
+		struct pt_regs *regs)
+{
+	unsigned long instr;
+	unsigned long pc = instruction_pointer(regs) - 4;
+
+	instr = *(unsigned long *)pc;
+/* imprecise aborts are no longer enabled in 3.7+ during init it would appear.
+ * We now using PCIE_RC_IOBLSSR to detect master abort however we will still get
+ * at least one imprecise abort and need to have a handler.
+ */
+#if 0
+	if (instr == 0xf57ff04f) {
+		/* dsb sy */
+		pc -= 4;
+		instr = *(unsigned long *)pc;
+	}
+	pr_info("PCIe abort: address = 0x%08lx fsr = 0x%03x PC = 0x%08lx LR = 0x%08lx instr=%08lx\n",
+		addr, fsr, regs->ARM_pc, regs->ARM_lr, instr);
+
+
+	/*
+	 * If the instruction being executed was a read,
+	 * make it look like it read all-ones.
+	 */
+	if ((instr & 0x0c500000) == 0x04100000) {
+		/* LDR instruction */
+		int reg = (instr >> 12) & 15;
+
+		regs->uregs[reg] = -1;
+		regs->ARM_pc = pc + 4;
+		return 0;
+	}
+	return 1;
+#else
+	pr_info("PCIe abort: address = 0x%08lx fsr = 0x%03x PC = 0x%08lx LR = 0x%08lx instr=%08lx\n",
+		addr, fsr, regs->ARM_pc, regs->ARM_lr, instr);
+
+	return 0;
+#endif
+}
+
+
+static int imx_pcie_pltfm_probe(struct platform_device *pdev)
+{
+	struct resource *mem;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = pdev->dev.of_node;
+	struct resource res;
+	int ret;
+
+	if (!np) {
+		dev_err(&pdev->dev, "No of data found\n");
+		return -EINVAL;
+	}
+
+	res.start = res.end = 0;
+	ret = of_address_to_resource(np, 0, &res);
+	if (ret)
+		goto err;
+	mem = &res;
+	imx_pcie.pcie_pwr_en = of_get_named_gpio(np, "pwren-gpios", 0);
+	imx_pcie.pcie_rst = of_get_named_gpio(np, "rst-gpios", 0);
+	imx_pcie.pcie_wake_up = of_get_named_gpio(np, "wake-gpios", 0);
+	imx_pcie.pcie_dis = of_get_named_gpio(np, "dis-gpios", 0);
+	//pdev->dev.platform_data = pdata;
+
+	imx_pcie.base = ioremap_nocache(PCIE_ARB_END_ADDR - SZ_1M + 1, SZ_1M - SZ_16K);
+	if (!imx_pcie.base) {
+		pr_err("error with ioremap in function %s\n", __func__);
+		return -EIO;
+	}
+
+	imx_pcie.dbi_base = devm_ioremap(dev, mem->start, resource_size(mem));
+	if (!imx_pcie.dbi_base) {
+		dev_err(dev, "can't map %pR\n", mem);
+		return -ENOMEM;
+	}
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-iomuxc-gpr");
+	if (!np) {
+		dev_err(dev, "can't find iomux\n");
+		return -ENOMEM;
+	}
+	ret = of_address_to_resource(np, 0, &res);
+	of_node_put(np);
+	if (ret)
+		goto err;
+	mem = &res;
+	imx_pcie.gpr_base = devm_ioremap(dev, mem->start, resource_size(mem));
+	if (!imx_pcie.gpr_base) {
+		dev_err(dev, "can't map %pR\n", mem);
+		return -ENOMEM;
+	}
+
+	// hold LTSSM in detect state
+	imx_pcie_clrset(iomuxc_gpr12_app_ltssm_enable, 0 << 10, IOMUXC_GPR12);
+
+	/* configure constant input signal to the pcie ctrl and phy */
+	// set device type to RC (PCI_EXP_TYPE_ROOT_PORT=4 is from pcie_regs.h)
+	imx_pcie_clrset(iomuxc_gpr12_device_type, PCI_EXP_TYPE_ROOT_PORT << 12, IOMUXC_GPR12);
+	// loss of signal detect sensitivity function - must be 0x9
+	imx_pcie_clrset(iomuxc_gpr12_los_level, 9 << 4, IOMUXC_GPR12);
+	// not clear what values these should have from RM
+	imx_pcie_clrset(iomuxc_gpr8_tx_deemph_gen1, 0 << 0, IOMUXC_GPR8);
+	imx_pcie_clrset(iomuxc_gpr8_tx_deemph_gen2_3p5db, 0 << 6, IOMUXC_GPR8);
+	imx_pcie_clrset(iomuxc_gpr8_tx_deemph_gen2_6db, 20 << 12, IOMUXC_GPR8);
+	imx_pcie_clrset(iomuxc_gpr8_tx_swing_full, 127 << 18, IOMUXC_GPR8);
+	imx_pcie_clrset(iomuxc_gpr8_tx_swing_low, 127 << 25, IOMUXC_GPR8);
+
+	/* Enable the pwr, clks and so on */
+	ret = imx_pcie_enable_controller(dev);
+	if (ret)
+		goto err;
+
+	/* togle the external card's reset */
+	card_reset(dev) ;
+
+	usleep_range(3000, 4000);
+	imx_pcie_regions_setup(imx_pcie.dbi_base);
+	usleep_range(3000, 4000);
+
+	/*
+	 * Force to GEN1 because of PCIE2USB storage stress tests
+	 * would be failed when GEN2 is enabled
+	 */
+	writel(((readl(imx_pcie.dbi_base + LNK_CAP) & 0xfffffff0) | 0x1),
+			imx_pcie.dbi_base + LNK_CAP);
+
+	/* start link up */
+	imx_pcie_clrset(iomuxc_gpr12_app_ltssm_enable, 1 << 10, IOMUXC_GPR12);
+
+	hook_fault_code(16 + 6, imx_pcie_abort_handler, SIGBUS, 0,
+			"imprecise external abort");
+
+	/* add the pcie port */
+	add_pcie_port(pdev, imx_pcie.base, imx_pcie.dbi_base);
+
+	pci_common_init(&imx_pci);
+
+	return 0;
+
+err:
+	return ret;
+}
+
+static int imx_pcie_pltfm_remove(struct platform_device *pdev)
+{
+	struct clk *clk;
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	/* Release clocks, and disable power  */
+	if (np)
+		clk = of_clk_get(np, 0);
+	else
+		clk = devm_clk_get(dev, "pcie_clk");
+	if (IS_ERR(clk))
+		pr_err("no pcie clock.\n");
+
+	if (clk) {
+		clk_disable_unprepare(clk);
+		clk_put(clk);
+	}
+
+	// disable PCIe PHY clock ref
+	imx_pcie_clrset(iomuxc_gpr1_pcie_ref_clk_en, 0 << 16, IOMUXC_GPR1);
+
+	if (gpio_is_valid(imx_pcie.pcie_pwr_en)) {
+		/* Disable PCIE power */
+		gpio_request(imx_pcie.pcie_pwr_en, "PCIE POWER_EN");
+
+		/* activate PCIE_PWR_EN */
+		gpio_direction_output(imx_pcie.pcie_pwr_en, 0);
+	}
+
+	// power down PCIe PHY
+	imx_pcie_clrset(iomuxc_gpr1_test_powerdown, 1 << 18, IOMUXC_GPR1);
+
+	iounmap(imx_pcie.base);
+	iounmap(imx_pcie.dbi_base);
+	iounmap(imx_pcie.gpr_base);
+	release_mem_region(iomem->start, resource_size(iomem));
+	//platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static const struct of_device_id of_imx_pcie_match[] = {
+	{ .compatible = "fsl,pcie" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, of_imx_pcie_match);
+
+static struct platform_driver imx_pcie_pltfm_driver = {
+	.driver = {
+		.name	= "imx-pcie",
+		.owner	= THIS_MODULE,
+		.of_match_table = of_imx_pcie_match,
+	},
+	.probe		= imx_pcie_pltfm_probe,
+	.remove		= imx_pcie_pltfm_remove,
+};
+
+/*****************************************************************************\
+ *                                                                           *
+ * Driver init/exit                                                          *
+ *                                                                           *
+\*****************************************************************************/
+
+static int __init imx_pcie_drv_init(void)
+{
+	pcibios_min_io = 0;
+	pcibios_min_mem = 0;
+
+	return platform_driver_register(&imx_pcie_pltfm_driver);
+}
+
+static void __exit imx_pcie_drv_exit(void)
+{
+	platform_driver_unregister(&imx_pcie_pltfm_driver);
+}
+
+//module_init(imx_pcie_drv_init);
+//module_exit(imx_pcie_drv_exit);
+late_initcall(imx_pcie_drv_init);
+
+MODULE_DESCRIPTION("i.MX PCIE platform driver");
+MODULE_LICENSE("GPL v2");
diff --git a/target/linux/imx6/files-3.10/firmware/imx/sdma/sdma-imx6q-to1.bin.ihex b/target/linux/imx6/files-3.10/firmware/imx/sdma/sdma-imx6q-to1.bin.ihex
new file mode 100644
index 0000000..2e561f0
--- /dev/null
+++ b/target/linux/imx6/files-3.10/firmware/imx/sdma/sdma-imx6q-to1.bin.ihex
@@ -0,0 +1,116 @@
+:1000000053444D4101000000010000001C000000AD
+:1000100026000000B40000007A0600008202000002
+:10002000FFFFFFFF00000000FFFFFFFFFFFFFFFFDC
+:10003000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD0
+:10004000FFFFFFFFFFFFFFFF6A1A0000FFFFFFFF38
+:10005000EB020000BB180000FFFFFFFF08040000D8
+:10006000FFFFFFFFC0030000FFFFFFFFFFFFFFFFD9
+:10007000FFFFFFFFAB020000FFFFFFFF7B0300005D
+:10008000FFFFFFFFFFFFFFFF4C0400006E040000B6
+:10009000FFFFFFFF00180000FFFFFFFFFFFFFFFF54
+:1000A000000000000018000062180000161A00008E
+:1000B000061B0000E3C1DB57E35FE357F352016A1D
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