-From 20a677fd63c57edd5b0c463baa44f133b2f2d4a0 Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@freescale.com>
-Date: Thu, 13 Jun 2013 17:59:52 +0300
Subject: [PATCH] usb: chipidea: improve kconfig
Randy Dunlap <rdunlap@infradead.org> reported this problem
-From 972a6c5d56b42d6dd326867d5974ffa58383ec53 Mon Sep 17 00:00:00 2001
From: Peter Chen <peter.chen@freescale.com>
-Date: Mon, 29 Jul 2013 13:09:57 +0300
Subject: [PATCH] usb: chipidea: fix the build error with randconfig
Using below configs, the compile will have error:
-From a0cfdc6bc73bc47b63b05b850cf66cf67f2487bf Mon Sep 17 00:00:00 2001
From: Lothar Waßmann <LW@KARO-electronics.de>
-Date: Wed, 14 Aug 2013 12:43:58 +0300
Subject: [PATCH] usb: chipidea: improve kconfig 2.0
This patch provides a cleaner solution to the problem described in
-From 0d1ee1f265cf9730feb214ddd18bc430c0800e8b Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
-Date: Tue, 10 Sep 2013 21:42:29 +0200
Subject: [PATCH] i2c: imx: retry on NAK
In case of busy i2c try again to get ACK.
-From 9e54eae23bc9cca0d8a955018c35b1250e09a73a Mon Sep 17 00:00:00 2001
From: Richard Zhu <r65037@freescale.com>
-Date: Wed, 24 Jul 2013 14:15:29 +0800
Subject: [PATCH] ahci_imx: add ahci sata support on imx platforms
imx6q contains one Synopsys AHCI SATA controller, But it can't share
-From 6a6c21ef487be47b300a0b24cd6afeb69d8b9a1a Mon Sep 17 00:00:00 2001
From: Richard Zhu <r65037@freescale.com>
-Date: Wed, 24 Jul 2013 14:15:28 +0800
Subject: [PATCH] ARM: imx6q: update the sata bits definitions of gpr13
Replace the SATA_PHY_# by the more readable definitons.
-From 0fb1f804269e549b556b475c8655bc862c220622 Mon Sep 17 00:00:00 2001
From: Richard Zhu <r65037@freescale.com>
-Date: Tue, 16 Jul 2013 11:28:46 +0800
Subject: [PATCH] ARM: dtsi: enable ahci sata on imx6q platforms
Only imx6q has the ahci sata controller, enable
-From 867974fc09f93bdd7f98d46ac3733934486bbf4a Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
-Date: Fri, 26 Jul 2013 08:57:56 -0400
Subject: [PATCH] ahci_imx: depend on CONFIG_MFD_SYSCON
ahci_imx makes use of regmap but the dependency wasn't specified in
+++ /dev/null
-Subject: [v6,1/3] ARM: imx: Add LVDS general-purpose clocks to i.MX6Q
-From: Sean Cross <xobs@kosagi.com>
-
-The i.MX6 has two general-purpose LVDS clocks that can be driven
-from a variety of sources. This patch adds a mux and a gate for
-both of these clocks.
-
-Signed-off-by: Sean Cross <xobs@kosagi.com>
----
- arch/arm/mach-imx/clk-imx6q.c | 20 +++++++++++++++++++-
- 2 files changed, 23 insertions(+), 1 deletion(-)
-
---- a/arch/arm/mach-imx/clk-imx6q.c
-+++ b/arch/arm/mach-imx/clk-imx6q.c
-@@ -205,6 +205,11 @@ static const char *vpu_axi_sels[] = { "a
- static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
- "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
- "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_post_div", };
-+static const char *lvds_sels[] = {
-+ "dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
-+ "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref",
-+ "pcie_ref", "sata_ref",
-+};
-
- enum mx6q_clks {
- dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
-@@ -238,7 +243,8 @@ enum mx6q_clks {
- pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg,
- ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
- sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
-- usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, clk_max
-+ usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div,
-+ lvds1_sel, lvds2_sel, lvds1_gate, lvds2_gate, clk_max
- };
-
- static struct clk *clk[clk_max];
-@@ -340,6 +346,18 @@ int __init mx6q_clocks_init(void)
- base + 0xe0, 0, 2, 0, clk_enet_ref_table,
- &imx_ccm_lock);
-
-+ clk[lvds1_sel] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
-+ clk[lvds2_sel] = imx_clk_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
-+
-+ /*
-+ * lvds1_gate and lvds2_gate are pseudo-gates. Both can be
-+ * independently configured as clock inputs or outputs. We treat
-+ * the "output_enable" bit as a gate, even though it's really just
-+ * enabling clock output.
-+ */
-+ clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "dummy", base + 0x160, 10);
-+ clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "dummy", base + 0x160, 11);
-+
- /* name parent_name reg idx */
- clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
- clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
--- /dev/null
+From: Sean Cross <xobs@kosagi.com>
+Subject: [PATCH 1/2] ARM: imx6q: Add PCIe bits to GPR syscon definition
+
+PCIe requires additional bits be defined for GPR8 and GPR12.
+
+Signed-off-by: Sean Cross <xobs@kosagi.com>
+Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
+Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
+---
+ include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+--- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
++++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
+@@ -241,6 +241,12 @@
+
+ #define IMX6Q_GPR5_L2_CLK_STOP BIT(8)
+
++#define IMX6Q_GPR8_TX_SWING_LOW (0x7f << 25)
++#define IMX6Q_GPR8_TX_SWING_FULL (0x7f << 18)
++#define IMX6Q_GPR8_TX_DEEMPH_GEN2_6DB (0x3f << 12)
++#define IMX6Q_GPR8_TX_DEEMPH_GEN2_3P5DB (0x3f << 6)
++#define IMX6Q_GPR8_TX_DEEMPH_GEN1 (0x3f << 0)
++
+ #define IMX6Q_GPR9_TZASC2_BYP BIT(1)
+ #define IMX6Q_GPR9_TZASC1_BYP BIT(0)
+
+@@ -273,7 +279,9 @@
+ #define IMX6Q_GPR12_ARMP_AHB_CLK_EN BIT(26)
+ #define IMX6Q_GPR12_ARMP_ATB_CLK_EN BIT(25)
+ #define IMX6Q_GPR12_ARMP_APB_CLK_EN BIT(24)
++#define IMX6Q_GPR12_DEVICE_TYPE (0xf << 12)
+ #define IMX6Q_GPR12_PCIE_CTL_2 BIT(10)
++#define IMX6Q_GPR12_LOS_LEVEL (0x1f << 4)
+
+ #define IMX6Q_GPR13_SDMA_STOP_REQ BIT(30)
+ #define IMX6Q_GPR13_CAN2_STOP_REQ BIT(29)
+++ /dev/null
-Subject: [v6,2/3] ARM: imx6q: Add PCIe bits to GPR syscon definition
-From: Sean Cross <xobs@kosagi.com>
-
-PCIe requires additional bits be defined for GPR8 and GPR12.
-
-Signed-off-by: Sean Cross <xobs@kosagi.com>
----
- include/linux/mfd/syscon/imx6q-iomuxc-gpr.h | 8 ++++++++
- 1 file changed, 8 insertions(+)
-
---- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
-+++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
-@@ -241,6 +241,12 @@
-
- #define IMX6Q_GPR5_L2_CLK_STOP BIT(8)
-
-+#define IMX6Q_GPR8_TX_SWING_LOW (0x7f << 25)
-+#define IMX6Q_GPR8_TX_SWING_FULL (0x7f << 18)
-+#define IMX6Q_GPR8_TX_DEEMPH_GEN2_6DB (0x3f << 12)
-+#define IMX6Q_GPR8_TX_DEEMPH_GEN2_3P5DB (0x3f << 6)
-+#define IMX6Q_GPR8_TX_DEEMPH_GEN1 (0x3f << 0)
-+
- #define IMX6Q_GPR9_TZASC2_BYP BIT(1)
- #define IMX6Q_GPR9_TZASC1_BYP BIT(0)
-
-@@ -273,7 +279,9 @@
- #define IMX6Q_GPR12_ARMP_AHB_CLK_EN BIT(26)
- #define IMX6Q_GPR12_ARMP_ATB_CLK_EN BIT(25)
- #define IMX6Q_GPR12_ARMP_APB_CLK_EN BIT(24)
-+#define IMX6Q_GPR12_DEVICE_TYPE (0xf << 12)
- #define IMX6Q_GPR12_PCIE_CTL_2 BIT(10)
-+#define IMX6Q_GPR12_LOS_LEVEL (0x1f << 4)
-
- #define IMX6Q_GPR13_SDMA_STOP_REQ BIT(30)
- #define IMX6Q_GPR13_CAN2_STOP_REQ BIT(29)
--- /dev/null
+Subject: [PATCH 2/2] PCI: imx6: Add support for i.MX6 PCIe controller
+From: Sean Cross <xobs@kosagi.com>
+
+Add support for the PCIe port present on the i.MX6 family of controllers.
+These use the Synopsis Designware core tied to their own PHY.
+
+Signed-off-by: Sean Cross <xobs@kosagi.com>
+Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
+Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
+Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
+---
+ drivers/pci/host/Kconfig | 6 +
+ drivers/pci/host/Makefile | 1 +
+ drivers/pci/host/pci-imx6.c | 575 +++++++++++++++++++++
+ 4 files changed, 588 insertions(+), 1 deletion(-)
+ create mode 100644 drivers/pci/host/pci-imx6.c
+
+--- /dev/null
++++ b/drivers/pci/host/Kconfig
+@@ -0,0 +1,13 @@
++menu "PCI host controller drivers"
++ depends on PCI
++
++config PCIE_DW
++ bool
++
++config PCI_IMX6
++ bool "Freescale i.MX6 PCIe controller"
++ depends on SOC_IMX6Q
++ select PCIEPORTBUS
++ select PCIE_DW
++
++endmenu
+--- /dev/null
++++ b/drivers/pci/host/Makefile
+@@ -0,0 +1,2 @@
++obj-$(CONFIG_PCIE_DW) += pcie-designware.o
++obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
+--- /dev/null
++++ b/drivers/pci/host/pci-imx6.c
+@@ -0,0 +1,575 @@
++/*
++ * PCIe host controller driver for Freescale i.MX6 SoCs
++ *
++ * Copyright (C) 2013 Kosagi
++ * http://www.kosagi.com
++ *
++ * Author: Sean Cross <xobs@kosagi.com>
++ *
++ * 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.
++ */
++
++#include <linux/clk.h>
++#include <linux/delay.h>
++#include <linux/gpio.h>
++#include <linux/kernel.h>
++#include <linux/mfd/syscon.h>
++#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
++#include <linux/module.h>
++#include <linux/of_gpio.h>
++#include <linux/pci.h>
++#include <linux/platform_device.h>
++#include <linux/regmap.h>
++#include <linux/resource.h>
++#include <linux/signal.h>
++#include <linux/types.h>
++
++#include "pcie-designware.h"
++
++#define to_imx6_pcie(x) container_of(x, struct imx6_pcie, pp)
++
++struct imx6_pcie {
++ int reset_gpio;
++ int power_on_gpio;
++ int wake_up_gpio;
++ int disable_gpio;
++ struct clk *lvds_gate;
++ struct clk *sata_ref_100m;
++ struct clk *pcie_ref_125m;
++ struct clk *pcie_axi;
++ struct pcie_port pp;
++ struct regmap *iomuxc_gpr;
++ void __iomem *mem_base;
++};
++
++/* PCIe Port Logic registers (memory-mapped) */
++#define PL_OFFSET 0x700
++#define PCIE_PHY_DEBUG_R0 (PL_OFFSET + 0x28)
++#define PCIE_PHY_DEBUG_R1 (PL_OFFSET + 0x2c)
++
++#define PCIE_PHY_CTRL (PL_OFFSET + 0x114)
++#define PCIE_PHY_CTRL_DATA_LOC 0
++#define PCIE_PHY_CTRL_CAP_ADR_LOC 16
++#define PCIE_PHY_CTRL_CAP_DAT_LOC 17
++#define PCIE_PHY_CTRL_WR_LOC 18
++#define PCIE_PHY_CTRL_RD_LOC 19
++
++#define PCIE_PHY_STAT (PL_OFFSET + 0x110)
++#define PCIE_PHY_STAT_ACK_LOC 16
++
++/* PHY registers (not memory-mapped) */
++#define PCIE_PHY_RX_ASIC_OUT 0x100D
++
++#define PHY_RX_OVRD_IN_LO 0x1005
++#define PHY_RX_OVRD_IN_LO_RX_DATA_EN (1 << 5)
++#define PHY_RX_OVRD_IN_LO_RX_PLL_EN (1 << 3)
++
++static int pcie_phy_poll_ack(void __iomem *dbi_base, int exp_val)
++{
++ u32 val;
++ u32 max_iterations = 10;
++ u32 wait_counter = 0;
++
++ do {
++ val = readl(dbi_base + PCIE_PHY_STAT);
++ val = (val >> PCIE_PHY_STAT_ACK_LOC) & 0x1;
++ wait_counter++;
++
++ if (val == exp_val)
++ return 0;
++
++ udelay(1);
++ } while (wait_counter < max_iterations);
++
++ return -ETIMEDOUT;
++}
++
++static int pcie_phy_wait_ack(void __iomem *dbi_base, int addr)
++{
++ u32 val;
++ int ret;
++
++ val = addr << PCIE_PHY_CTRL_DATA_LOC;
++ writel(val, dbi_base + PCIE_PHY_CTRL);
++
++ val |= (0x1 << PCIE_PHY_CTRL_CAP_ADR_LOC);
++ writel(val, dbi_base + PCIE_PHY_CTRL);
++
++ ret = pcie_phy_poll_ack(dbi_base, 1);
++ if (ret)
++ return ret;
++
++ val = addr << PCIE_PHY_CTRL_DATA_LOC;
++ writel(val, dbi_base + PCIE_PHY_CTRL);
++
++ ret = pcie_phy_poll_ack(dbi_base, 0);
++ if (ret)
++ return ret;
++
++ return 0;
++}
++
++/* Read from the 16-bit PCIe PHY control registers (not memory-mapped) */
++static int pcie_phy_read(void __iomem *dbi_base, int addr , int *data)
++{
++ u32 val, phy_ctl;
++ int ret;
++
++ ret = pcie_phy_wait_ack(dbi_base, addr);
++ if (ret)
++ return ret;
++
++ /* assert Read signal */
++ phy_ctl = 0x1 << PCIE_PHY_CTRL_RD_LOC;
++ writel(phy_ctl, dbi_base + PCIE_PHY_CTRL);
++
++ ret = pcie_phy_poll_ack(dbi_base, 1);
++ if (ret)
++ return ret;
++
++ val = readl(dbi_base + PCIE_PHY_STAT);
++ *data = val & 0xffff;
++
++ /* deassert Read signal */
++ writel(0x00, dbi_base + PCIE_PHY_CTRL);
++
++ ret = pcie_phy_poll_ack(dbi_base, 0);
++ if (ret)
++ return ret;
++
++ return 0;
++}
++
++static int pcie_phy_write(void __iomem *dbi_base, int addr, int data)
++{
++ u32 var;
++ int ret;
++
++ /* write addr */
++ /* cap addr */
++ ret = pcie_phy_wait_ack(dbi_base, addr);
++ if (ret)
++ return ret;
++
++ var = data << PCIE_PHY_CTRL_DATA_LOC;
++ writel(var, dbi_base + PCIE_PHY_CTRL);
++
++ /* capture data */
++ var |= (0x1 << PCIE_PHY_CTRL_CAP_DAT_LOC);
++ writel(var, dbi_base + PCIE_PHY_CTRL);
++
++ ret = pcie_phy_poll_ack(dbi_base, 1);
++ if (ret)
++ return ret;
++
++ /* deassert cap data */
++ var = data << PCIE_PHY_CTRL_DATA_LOC;
++ writel(var, dbi_base + PCIE_PHY_CTRL);
++
++ /* wait for ack de-assertion */
++ ret = pcie_phy_poll_ack(dbi_base, 0);
++ if (ret)
++ return ret;
++
++ /* assert wr signal */
++ var = 0x1 << PCIE_PHY_CTRL_WR_LOC;
++ writel(var, dbi_base + PCIE_PHY_CTRL);
++
++ /* wait for ack */
++ ret = pcie_phy_poll_ack(dbi_base, 1);
++ if (ret)
++ return ret;
++
++ /* deassert wr signal */
++ var = data << PCIE_PHY_CTRL_DATA_LOC;
++ writel(var, dbi_base + PCIE_PHY_CTRL);
++
++ /* wait for ack de-assertion */
++ ret = pcie_phy_poll_ack(dbi_base, 0);
++ if (ret)
++ return ret;
++
++ writel(0x0, dbi_base + PCIE_PHY_CTRL);
++
++ return 0;
++}
++
++/* Added for PCI abort handling */
++static int imx6q_pcie_abort_handler(unsigned long addr,
++ unsigned int fsr, struct pt_regs *regs)
++{
++ /*
++ * If it was an imprecise abort, then we need to correct the
++ * return address to be _after_ the instruction.
++ */
++ if (fsr & (1 << 10))
++ regs->ARM_pc += 4;
++ return 0;
++}
++
++static int imx6_pcie_assert_core_reset(struct pcie_port *pp)
++{
++ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
++
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
++ IMX6Q_GPR1_PCIE_TEST_PD, 1 << 18);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
++ IMX6Q_GPR12_PCIE_CTL_2, 1 << 10);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
++ IMX6Q_GPR1_PCIE_REF_CLK_EN, 0 << 16);
++
++ gpio_set_value(imx6_pcie->reset_gpio, 0);
++ msleep(100);
++ gpio_set_value(imx6_pcie->reset_gpio, 1);
++
++ return 0;
++}
++
++static int imx6_pcie_deassert_core_reset(struct pcie_port *pp)
++{
++ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
++ int ret;
++
++ if (gpio_is_valid(imx6_pcie->power_on_gpio))
++ gpio_set_value(imx6_pcie->power_on_gpio, 1);
++
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
++ IMX6Q_GPR1_PCIE_TEST_PD, 0 << 18);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
++ IMX6Q_GPR1_PCIE_REF_CLK_EN, 1 << 16);
++
++ ret = clk_prepare_enable(imx6_pcie->sata_ref_100m);
++ if (ret) {
++ dev_err(pp->dev, "unable to enable sata_ref_100m\n");
++ goto err_sata_ref;
++ }
++
++ ret = clk_prepare_enable(imx6_pcie->pcie_ref_125m);
++ if (ret) {
++ dev_err(pp->dev, "unable to enable pcie_ref_125m\n");
++ goto err_pcie_ref;
++ }
++
++ ret = clk_prepare_enable(imx6_pcie->lvds_gate);
++ if (ret) {
++ dev_err(pp->dev, "unable to enable lvds_gate\n");
++ goto err_lvds_gate;
++ }
++
++ ret = clk_prepare_enable(imx6_pcie->pcie_axi);
++ if (ret) {
++ dev_err(pp->dev, "unable to enable pcie_axi\n");
++ goto err_pcie_axi;
++ }
++
++ /* allow the clocks to stabilize */
++ usleep_range(200, 500);
++
++ return 0;
++
++err_pcie_axi:
++ clk_disable_unprepare(imx6_pcie->lvds_gate);
++err_lvds_gate:
++ clk_disable_unprepare(imx6_pcie->pcie_ref_125m);
++err_pcie_ref:
++ clk_disable_unprepare(imx6_pcie->sata_ref_100m);
++err_sata_ref:
++ return ret;
++
++}
++
++static void imx6_pcie_init_phy(struct pcie_port *pp)
++{
++ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
++
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
++ IMX6Q_GPR12_PCIE_CTL_2, 0 << 10);
++
++ /* configure constant input signal to the pcie ctrl and phy */
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
++ IMX6Q_GPR12_DEVICE_TYPE, PCI_EXP_TYPE_ROOT_PORT << 12);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
++ IMX6Q_GPR12_LOS_LEVEL, 9 << 4);
++
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
++ IMX6Q_GPR8_TX_DEEMPH_GEN1, 0 << 0);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
++ IMX6Q_GPR8_TX_DEEMPH_GEN2_3P5DB, 0 << 6);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
++ IMX6Q_GPR8_TX_DEEMPH_GEN2_6DB, 20 << 12);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
++ IMX6Q_GPR8_TX_SWING_FULL, 127 << 18);
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
++ IMX6Q_GPR8_TX_SWING_LOW, 127 << 25);
++}
++
++static void imx6_pcie_host_init(struct pcie_port *pp)
++{
++ int count = 0;
++ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
++
++ imx6_pcie_assert_core_reset(pp);
++
++ imx6_pcie_init_phy(pp);
++
++ imx6_pcie_deassert_core_reset(pp);
++
++ dw_pcie_setup_rc(pp);
++
++ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
++ IMX6Q_GPR12_PCIE_CTL_2, 1 << 10);
++
++ while (!dw_pcie_link_up(pp)) {
++ usleep_range(100, 1000);
++ count++;
++ if (count >= 10) {
++ dev_err(pp->dev, "phy link never came up\n");
++ dev_dbg(pp->dev,
++ "DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n",
++ readl(pp->dbi_base + PCIE_PHY_DEBUG_R0),
++ readl(pp->dbi_base + PCIE_PHY_DEBUG_R1));
++ break;
++ }
++ }
++
++ return;
++}
++
++static int imx6_pcie_link_up(struct pcie_port *pp)
++{
++ u32 rc, ltssm, rx_valid, temp;
++
++ /* link is debug bit 36, debug register 1 starts at bit 32 */
++ rc = readl(pp->dbi_base + PCIE_PHY_DEBUG_R1) & (0x1 << (36 - 32));
++ if (rc)
++ return -EAGAIN;
++
++ /*
++ * 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_read(pp->dbi_base, PCIE_PHY_RX_ASIC_OUT, &rx_valid);
++ ltssm = readl(pp->dbi_base + PCIE_PHY_DEBUG_R0) & 0x3F;
++
++ if (rx_valid & 0x01)
++ return 0;
++
++ if (ltssm != 0x0d)
++ return 0;
++
++ dev_err(pp->dev, "transition to gen2 is stuck, reset PHY!\n");
++
++ pcie_phy_read(pp->dbi_base,
++ PHY_RX_OVRD_IN_LO, &temp);
++ temp |= (PHY_RX_OVRD_IN_LO_RX_DATA_EN
++ | PHY_RX_OVRD_IN_LO_RX_PLL_EN);
++ pcie_phy_write(pp->dbi_base,
++ PHY_RX_OVRD_IN_LO, temp);
++
++ usleep_range(2000, 3000);
++
++ pcie_phy_read(pp->dbi_base,
++ PHY_RX_OVRD_IN_LO, &temp);
++ temp &= ~(PHY_RX_OVRD_IN_LO_RX_DATA_EN
++ | PHY_RX_OVRD_IN_LO_RX_PLL_EN);
++ pcie_phy_write(pp->dbi_base,
++ PHY_RX_OVRD_IN_LO, temp);
++
++ return 0;
++}
++
++static struct pcie_host_ops imx6_pcie_host_ops = {
++ .link_up = imx6_pcie_link_up,
++ .host_init = imx6_pcie_host_init,
++};
++
++static int imx6_add_pcie_port(struct pcie_port *pp,
++ struct platform_device *pdev)
++{
++ int ret;
++
++ pp->irq = platform_get_irq(pdev, 0);
++ if (!pp->irq) {
++ dev_err(&pdev->dev, "failed to get irq\n");
++ return -ENODEV;
++ }
++
++ pp->root_bus_nr = -1;
++ pp->ops = &imx6_pcie_host_ops;
++
++ spin_lock_init(&pp->conf_lock);
++ ret = dw_pcie_host_init(pp);
++ if (ret) {
++ dev_err(&pdev->dev, "failed to initialize host\n");
++ return ret;
++ }
++
++ return 0;
++}
++
++static int __init imx6_pcie_probe(struct platform_device *pdev)
++{
++ struct imx6_pcie *imx6_pcie;
++ struct pcie_port *pp;
++ struct device_node *np = pdev->dev.of_node;
++ struct resource *dbi_base;
++ int ret;
++
++ imx6_pcie = devm_kzalloc(&pdev->dev, sizeof(*imx6_pcie), GFP_KERNEL);
++ if (!imx6_pcie)
++ return -ENOMEM;
++
++ pp = &imx6_pcie->pp;
++ pp->dev = &pdev->dev;
++
++ /* Added for PCI abort handling */
++ hook_fault_code(16 + 6, imx6q_pcie_abort_handler, SIGBUS, 0,
++ "imprecise external abort");
++
++ dbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!dbi_base) {
++ dev_err(&pdev->dev, "dbi_base memory resource not found\n");
++ return -ENODEV;
++ }
++
++ pp->dbi_base = devm_ioremap_resource(&pdev->dev, dbi_base);
++ if (IS_ERR(pp->dbi_base)) {
++ dev_err(&pdev->dev, "unable to remap dbi_base\n");
++ ret = PTR_ERR(pp->dbi_base);
++ goto err;
++ }
++
++ /* Fetch GPIOs */
++ imx6_pcie->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0);
++ if (!gpio_is_valid(imx6_pcie->reset_gpio)) {
++ dev_err(&pdev->dev, "no reset-gpio defined\n");
++ ret = -ENODEV;
++ }
++ ret = devm_gpio_request_one(&pdev->dev,
++ imx6_pcie->reset_gpio,
++ GPIOF_OUT_INIT_LOW,
++ "PCIe reset");
++ if (ret) {
++ dev_err(&pdev->dev, "unable to get reset gpio\n");
++ goto err;
++ }
++
++ imx6_pcie->power_on_gpio = of_get_named_gpio(np, "power-on-gpio", 0);
++ if (gpio_is_valid(imx6_pcie->power_on_gpio)) {
++ ret = devm_gpio_request_one(&pdev->dev,
++ imx6_pcie->power_on_gpio,
++ GPIOF_OUT_INIT_LOW,
++ "PCIe power enable");
++ if (ret) {
++ dev_err(&pdev->dev, "unable to get power-on gpio\n");
++ goto err;
++ }
++ }
++
++ imx6_pcie->wake_up_gpio = of_get_named_gpio(np, "wake-up-gpio", 0);
++ if (gpio_is_valid(imx6_pcie->wake_up_gpio)) {
++ ret = devm_gpio_request_one(&pdev->dev,
++ imx6_pcie->wake_up_gpio,
++ GPIOF_IN,
++ "PCIe wake up");
++ if (ret) {
++ dev_err(&pdev->dev, "unable to get wake-up gpio\n");
++ goto err;
++ }
++ }
++
++ imx6_pcie->disable_gpio = of_get_named_gpio(np, "disable-gpio", 0);
++ if (gpio_is_valid(imx6_pcie->disable_gpio)) {
++ ret = devm_gpio_request_one(&pdev->dev,
++ imx6_pcie->disable_gpio,
++ GPIOF_OUT_INIT_HIGH,
++ "PCIe disable endpoint");
++ if (ret) {
++ dev_err(&pdev->dev, "unable to get disable-ep gpio\n");
++ goto err;
++ }
++ }
++
++ /* Fetch clocks */
++ imx6_pcie->lvds_gate = devm_clk_get(&pdev->dev, "lvds_gate");
++ if (IS_ERR(imx6_pcie->lvds_gate)) {
++ dev_err(&pdev->dev,
++ "lvds_gate clock select missing or invalid\n");
++ ret = PTR_ERR(imx6_pcie->lvds_gate);
++ goto err;
++ }
++
++ imx6_pcie->sata_ref_100m = devm_clk_get(&pdev->dev, "sata_ref_100m");
++ if (IS_ERR(imx6_pcie->sata_ref_100m)) {
++ dev_err(&pdev->dev,
++ "sata_ref_100m clock source missing or invalid\n");
++ ret = PTR_ERR(imx6_pcie->sata_ref_100m);
++ goto err;
++ }
++
++ imx6_pcie->pcie_ref_125m = devm_clk_get(&pdev->dev, "pcie_ref_125m");
++ if (IS_ERR(imx6_pcie->pcie_ref_125m)) {
++ dev_err(&pdev->dev,
++ "pcie_ref_125m clock source missing or invalid\n");
++ ret = PTR_ERR(imx6_pcie->pcie_ref_125m);
++ goto err;
++ }
++
++ imx6_pcie->pcie_axi = devm_clk_get(&pdev->dev, "pcie_axi");
++ if (IS_ERR(imx6_pcie->pcie_axi)) {
++ dev_err(&pdev->dev,
++ "pcie_axi clock source missing or invalid\n");
++ ret = PTR_ERR(imx6_pcie->pcie_axi);
++ goto err;
++ }
++
++ /* Grab GPR config register range */
++ imx6_pcie->iomuxc_gpr =
++ syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");
++ if (IS_ERR(imx6_pcie->iomuxc_gpr)) {
++ dev_err(&pdev->dev, "unable to find iomuxc registers\n");
++ ret = PTR_ERR(imx6_pcie->iomuxc_gpr);
++ goto err;
++ }
++
++ ret = imx6_add_pcie_port(pp, pdev);
++ if (ret < 0)
++ goto err;
++
++ platform_set_drvdata(pdev, imx6_pcie);
++ return 0;
++
++err:
++ return ret;
++}
++
++static const struct of_device_id imx6_pcie_of_match[] = {
++ { .compatible = "fsl,imx6q-pcie", },
++ {},
++};
++MODULE_DEVICE_TABLE(of, imx6_pcie_of_match);
++
++static struct platform_driver imx6_pcie_driver = {
++ .driver = {
++ .name = "imx6q-pcie",
++ .owner = THIS_MODULE,
++ .of_match_table = of_match_ptr(imx6_pcie_of_match),
++ },
++};
++
++/* Freescale PCIe driver does not allow module unload */
++
++static int __init imx6_pcie_init(void)
++{
++ return platform_driver_probe(&imx6_pcie_driver, imx6_pcie_probe);
++}
++module_init(imx6_pcie_init);
++
++MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>");
++MODULE_DESCRIPTION("Freescale i.MX6 PCIe host controller driver");
++MODULE_LICENSE("GPL v2");
--- /dev/null
+From: Sean Cross <xobs@kosagi.com>
+Subject: [PATCH 1/3] ARM: imx: Add LVDS general-purpose clocks to i.MX6Q
+
+The i.MX6 has two general-purpose LVDS clocks that can be driven
+from a variety of sources. This patch adds a mux and a gate for
+both of these clocks.
+
+Signed-off-by: Sean Cross <xobs@kosagi.com>
+Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
+---
+ .../devicetree/bindings/clock/imx6q-clock.txt | 4 ++++
+ arch/arm/mach-imx/clk-imx6q.c | 20 +++++++++++++++++++-
+ 2 files changed, 23 insertions(+), 1 deletion(-)
+
+--- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
++++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
+@@ -208,6 +208,10 @@ clocks and IDs.
+ pll4_post_div 193
+ pll5_post_div 194
+ pll5_video_div 195
++ lvds1_sel 204
++ lvds2_sel 205
++ lvds1_gate 206
++ lvds2_gate 207
+
+ Examples:
+
+--- a/arch/arm/mach-imx/clk-imx6q.c
++++ b/arch/arm/mach-imx/clk-imx6q.c
+@@ -205,6 +205,11 @@ static const char *vpu_axi_sels[] = { "a
+ static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
+ "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
+ "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_post_div", };
++static const char *lvds_sels[] = {
++ "dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
++ "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref",
++ "pcie_ref", "sata_ref",
++};
+
+ enum mx6q_clks {
+ dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
+@@ -238,7 +243,8 @@ enum mx6q_clks {
+ pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg,
+ ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
+ sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
+- usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, clk_max
++ usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div,
++ lvds1_sel, lvds2_sel, lvds1_gate, lvds2_gate, clk_max
+ };
+
+ static struct clk *clk[clk_max];
+@@ -340,6 +346,18 @@ int __init mx6q_clocks_init(void)
+ base + 0xe0, 0, 2, 0, clk_enet_ref_table,
+ &imx_ccm_lock);
+
++ clk[lvds1_sel] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
++ clk[lvds2_sel] = imx_clk_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
++
++ /*
++ * lvds1_gate and lvds2_gate are pseudo-gates. Both can be
++ * independently configured as clock inputs or outputs. We treat
++ * the "output_enable" bit as a gate, even though it's really just
++ * enabling clock output.
++ */
++ clk[lvds1_gate] = imx_clk_gate("lvds1_gate", "dummy", base + 0x160, 10);
++ clk[lvds2_gate] = imx_clk_gate("lvds2_gate", "dummy", base + 0x160, 11);
++
+ /* name parent_name reg idx */
+ clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
+ clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
+++ /dev/null
-Subject: [v6,3/3] PCI: imx6: Add support for i.MX6 PCIe controller
-From: Sean Cross <xobs@kosagi.com>
-
-Add support for the PCIe port present on the i.MX6 family of controllers.
-These use the Synopsis Designware core tied to their own PHY.
-
-Signed-off-by: Sean Cross <xobs@kosagi.com>
-Acked-by: Bjorn Helgaas <bhelgaas@google.com>
-Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
----
- arch/arm/boot/dts/imx6qdl.dtsi | 16 +
- arch/arm/mach-imx/Kconfig | 2 +
- arch/arm/mach-imx/clk-imx6q.c | 4 +
- drivers/pci/host/Kconfig | 6 +
- drivers/pci/host/Makefile | 1 +
- drivers/pci/host/pci-imx6.c | 576 ++++++++++++++++++++
- 7 files changed, 611 insertions(+), 1 deletion(-)
- create mode 100644 drivers/pci/host/pci-imx6.c
-
---- a/arch/arm/boot/dts/imx6qdl.dtsi
-+++ b/arch/arm/boot/dts/imx6qdl.dtsi
-@@ -108,6 +108,22 @@
- cache-level = <2>;
- };
-
-+ pcie: pcie@0x01000000 {
-+ compatible = "fsl,imx6q-pcie", "snps,dw-pcie";
-+ reg = <0x01ffc000 0x4000>; /* DBI */
-+ #address-cells = <3>;
-+ #size-cells = <2>;
-+ device_type = "pci";
-+ ranges = <0x00000800 0 0x01f00000 0x01f00000 0 0x00080000 /* configuration space */
-+ 0x81000000 0 0 0x01f80000 0 0x00010000 /* downstream I/O */
-+ 0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
-+ num-lanes = <1>;
-+ interrupts = <0 123 0x04>;
-+ clocks = <&clks 189>, <&clks 187>, <&clks 205>, <&clks 144>;
-+ clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
-+ status = "disabled";
-+ };
-+
- pmu {
- compatible = "arm,cortex-a9-pmu";
- interrupts = <0 94 0x04>;
---- a/arch/arm/mach-imx/Kconfig
-+++ b/arch/arm/mach-imx/Kconfig
-@@ -806,6 +806,8 @@ config SOC_IMX6Q
- select HAVE_IMX_SRC
- select HAVE_SMP
- select MFD_SYSCON
-+ select MIGHT_HAVE_PCI
-+ select PCI_DOMAINS if PCI
- select PINCTRL
- select PINCTRL_IMX6Q
- select PL310_ERRATA_588369 if CACHE_PL310
---- a/arch/arm/mach-imx/clk-imx6q.c
-+++ b/arch/arm/mach-imx/clk-imx6q.c
-@@ -586,6 +586,10 @@ int __init mx6q_clocks_init(void)
- clk_prepare_enable(clk[usbphy2_gate]);
- }
-
-+ /* All existing boards with PCIe use LVDS1 */
-+ if (IS_ENABLED(CONFIG_PCI_IMX6))
-+ clk_set_parent(clk[lvds1_sel], clk[sata_ref]);
-+
- /* Set initial power mode */
- imx6q_set_lpm(WAIT_CLOCKED);
-
---- /dev/null
-+++ b/drivers/pci/host/Kconfig
-@@ -0,0 +1,13 @@
-+menu "PCI host controller drivers"
-+ depends on PCI
-+
-+config PCIE_DW
-+ bool
-+
-+config PCI_IMX6
-+ bool "Freescale i.MX6 PCIe controller"
-+ depends on SOC_IMX6Q
-+ select PCIEPORTBUS
-+ select PCIE_DW
-+
-+endmenu
---- /dev/null
-+++ b/drivers/pci/host/Makefile
-@@ -0,0 +1,2 @@
-+obj-$(CONFIG_PCIE_DW) += pcie-designware.o
-+obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
---- /dev/null
-+++ b/drivers/pci/host/pci-imx6.c
-@@ -0,0 +1,576 @@
-+/*
-+ * PCIe host controller driver for Freescale i.MX6 SoCs
-+ *
-+ * Copyright (C) 2013 Kosagi
-+ * http://www.kosagi.com
-+ *
-+ * Author: Sean Cross <xobs@kosagi.com>
-+ *
-+ * 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.
-+ */
-+
-+#include <linux/clk.h>
-+#include <linux/delay.h>
-+#include <linux/gpio.h>
-+#include <linux/kernel.h>
-+#include <linux/mfd/syscon.h>
-+#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
-+#include <linux/module.h>
-+#include <linux/of_gpio.h>
-+#include <linux/pci.h>
-+#include <linux/platform_device.h>
-+#include <linux/regmap.h>
-+#include <linux/resource.h>
-+#include <linux/signal.h>
-+#include <linux/types.h>
-+
-+#include "pcie-designware.h"
-+
-+#define to_imx6_pcie(x) container_of(x, struct imx6_pcie, pp)
-+
-+struct imx6_pcie {
-+ int reset_gpio;
-+ int power_on_gpio;
-+ int wake_up_gpio;
-+ int disable_gpio;
-+ struct clk *lvds_gate;
-+ struct clk *sata_ref_100m;
-+ struct clk *pcie_ref_125m;
-+ struct clk *pcie_axi;
-+ struct pcie_port pp;
-+ struct regmap *iomuxc_gpr;
-+ void __iomem *mem_base;
-+};
-+
-+/* PCIe Port Logic registers (memory-mapped) */
-+#define PL_OFFSET 0x700
-+#define PCIE_PHY_DEBUG_R0 (PL_OFFSET + 0x28)
-+#define PCIE_PHY_DEBUG_R1 (PL_OFFSET + 0x2c)
-+
-+#define PCIE_PHY_CTRL (PL_OFFSET + 0x114)
-+#define PCIE_PHY_CTRL_DATA_LOC 0
-+#define PCIE_PHY_CTRL_CAP_ADR_LOC 16
-+#define PCIE_PHY_CTRL_CAP_DAT_LOC 17
-+#define PCIE_PHY_CTRL_WR_LOC 18
-+#define PCIE_PHY_CTRL_RD_LOC 19
-+
-+#define PCIE_PHY_STAT (PL_OFFSET + 0x110)
-+#define PCIE_PHY_STAT_ACK_LOC 16
-+
-+/* PHY registers (not memory-mapped) */
-+#define PCIE_PHY_RX_ASIC_OUT 0x100D
-+
-+#define PHY_RX_OVRD_IN_LO 0x1005
-+#define PHY_RX_OVRD_IN_LO_RX_DATA_EN (1 << 5)
-+#define PHY_RX_OVRD_IN_LO_RX_PLL_EN (1 << 3)
-+
-+static int pcie_phy_poll_ack(void __iomem *dbi_base, int exp_val)
-+{
-+ u32 val;
-+ u32 max_iterations = 10;
-+ u32 wait_counter = 0;
-+
-+ do {
-+ val = readl(dbi_base + PCIE_PHY_STAT);
-+ val = (val >> PCIE_PHY_STAT_ACK_LOC) & 0x1;
-+ wait_counter++;
-+
-+ if (val == exp_val)
-+ return 0;
-+
-+ udelay(1);
-+ } while ((wait_counter < max_iterations) && (val != exp_val));
-+
-+ return -ETIMEDOUT;
-+}
-+
-+static int pcie_phy_wait_ack(void __iomem *dbi_base, int addr)
-+{
-+ u32 val;
-+ int ret;
-+
-+ val = addr << PCIE_PHY_CTRL_DATA_LOC;
-+ writel(val, dbi_base + PCIE_PHY_CTRL);
-+
-+ val |= (0x1 << PCIE_PHY_CTRL_CAP_ADR_LOC);
-+ writel(val, dbi_base + PCIE_PHY_CTRL);
-+
-+ ret = pcie_phy_poll_ack(dbi_base, 1);
-+ if (ret)
-+ return ret;
-+
-+ val = addr << PCIE_PHY_CTRL_DATA_LOC;
-+ writel(val, dbi_base + PCIE_PHY_CTRL);
-+
-+ ret = pcie_phy_poll_ack(dbi_base, 0);
-+ if (ret)
-+ return ret;
-+
-+ return 0;
-+}
-+
-+/* Read from the 16-bit PCIe PHY control registers (not memory-mapped) */
-+static int pcie_phy_read(void __iomem *dbi_base, int addr , int *data)
-+{
-+ u32 val, phy_ctl;
-+ int ret;
-+
-+ ret = pcie_phy_wait_ack(dbi_base, addr);
-+ if (ret)
-+ return ret;
-+
-+ /* assert Read signal */
-+ phy_ctl = 0x1 << PCIE_PHY_CTRL_RD_LOC;
-+ writel(phy_ctl, dbi_base + PCIE_PHY_CTRL);
-+
-+ ret = pcie_phy_poll_ack(dbi_base, 1);
-+ if (ret)
-+ return ret;
-+
-+ val = readl(dbi_base + PCIE_PHY_STAT);
-+ *data = val & 0xffff;
-+
-+ /* deassert Read signal */
-+ writel(0x00, dbi_base + PCIE_PHY_CTRL);
-+
-+ ret = pcie_phy_poll_ack(dbi_base, 0);
-+ if (ret)
-+ return ret;
-+
-+ return 0;
-+}
-+
-+static int pcie_phy_write(void __iomem *dbi_base, int addr, int data)
-+{
-+ u32 var;
-+ int ret;
-+
-+ /* write addr */
-+ /* cap addr */
-+ ret = pcie_phy_wait_ack(dbi_base, addr);
-+ if (ret)
-+ return ret;
-+
-+ var = data << PCIE_PHY_CTRL_DATA_LOC;
-+ writel(var, dbi_base + PCIE_PHY_CTRL);
-+
-+ /* capture data */
-+ var |= (0x1 << PCIE_PHY_CTRL_CAP_DAT_LOC);
-+ writel(var, dbi_base + PCIE_PHY_CTRL);
-+
-+ ret = pcie_phy_poll_ack(dbi_base, 1);
-+ if (ret)
-+ return ret;
-+
-+ /* deassert cap data */
-+ var = data << PCIE_PHY_CTRL_DATA_LOC;
-+ writel(var, dbi_base + PCIE_PHY_CTRL);
-+
-+ /* wait for ack de-assetion */
-+ ret = pcie_phy_poll_ack(dbi_base, 0);
-+ if (ret)
-+ return ret;
-+
-+ /* assert wr signal */
-+ var = 0x1 << PCIE_PHY_CTRL_WR_LOC;
-+ writel(var, dbi_base + PCIE_PHY_CTRL);
-+
-+ /* wait for ack */
-+ ret = pcie_phy_poll_ack(dbi_base, 1);
-+ if (ret)
-+ return ret;
-+
-+ /* deassert wr signal */
-+ var = data << PCIE_PHY_CTRL_DATA_LOC;
-+ writel(var, dbi_base + PCIE_PHY_CTRL);
-+
-+ /* wait for ack de-assetion */
-+ ret = pcie_phy_poll_ack(dbi_base, 0);
-+ if (ret)
-+ return ret;
-+
-+ writel(0x0, dbi_base + PCIE_PHY_CTRL);
-+
-+ return 0;
-+}
-+
-+/* Added for PCI abort handling */
-+static int imx6q_pcie_abort_handler(unsigned long addr,
-+ unsigned int fsr, struct pt_regs *regs)
-+{
-+ /*
-+ * If it was an imprecise abort, then we need to correct the
-+ * return address to be _after_ the instruction.
-+ */
-+ if (fsr & (1 << 10))
-+ regs->ARM_pc += 4;
-+ return 0;
-+}
-+
-+static int imx6_pcie_assert_core_reset(struct pcie_port *pp)
-+{
-+ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
-+
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
-+ IMX6Q_GPR1_PCIE_TEST_PD, 1 << 18);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
-+ IMX6Q_GPR12_PCIE_CTL_2, 1 << 10);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
-+ IMX6Q_GPR1_PCIE_REF_CLK_EN, 0 << 16);
-+
-+ gpio_set_value(imx6_pcie->reset_gpio, 0);
-+ msleep(100);
-+ gpio_set_value(imx6_pcie->reset_gpio, 1);
-+
-+ return 0;
-+}
-+
-+static int imx6_pcie_deassert_core_reset(struct pcie_port *pp)
-+{
-+ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
-+ int ret;
-+
-+ if (gpio_is_valid(imx6_pcie->power_on_gpio))
-+ gpio_set_value(imx6_pcie->power_on_gpio, 1);
-+
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
-+ IMX6Q_GPR1_PCIE_TEST_PD, 0 << 18);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
-+ IMX6Q_GPR1_PCIE_REF_CLK_EN, 1 << 16);
-+
-+ ret = clk_prepare_enable(imx6_pcie->sata_ref_100m);
-+ if (ret) {
-+ dev_err(pp->dev, "unable to enable sata_ref_100m\n");
-+ goto err_sata_ref;
-+ }
-+
-+ ret = clk_prepare_enable(imx6_pcie->pcie_ref_125m);
-+ if (ret) {
-+ dev_err(pp->dev, "unable to enable pcie_ref_125m\n");
-+ goto err_pcie_ref;
-+ }
-+
-+ ret = clk_prepare_enable(imx6_pcie->lvds_gate);
-+ if (ret) {
-+ dev_err(pp->dev, "unable to enable lvds_gate\n");
-+ goto err_lvds_gate;
-+ }
-+
-+ ret = clk_prepare_enable(imx6_pcie->pcie_axi);
-+ if (ret) {
-+ dev_err(pp->dev, "unable to enable pcie_axi\n");
-+ goto err_pcie_axi;
-+ }
-+
-+ /* allow the clocks to stabilize */
-+ usleep_range(200, 500);
-+
-+ return 0;
-+
-+err_pcie_axi:
-+ clk_disable_unprepare(imx6_pcie->lvds_gate);
-+err_lvds_gate:
-+ clk_disable_unprepare(imx6_pcie->pcie_ref_125m);
-+err_pcie_ref:
-+ clk_disable_unprepare(imx6_pcie->sata_ref_100m);
-+err_sata_ref:
-+ return ret;
-+
-+}
-+
-+static void imx6_pcie_init_phy(struct pcie_port *pp)
-+{
-+ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
-+
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
-+ IMX6Q_GPR12_PCIE_CTL_2, 0 << 10);
-+
-+ /* configure constant input signal to the pcie ctrl and phy */
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
-+ IMX6Q_GPR12_DEVICE_TYPE, PCI_EXP_TYPE_ROOT_PORT << 12);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
-+ IMX6Q_GPR12_LOS_LEVEL, 9 << 4);
-+
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
-+ IMX6Q_GPR8_TX_DEEMPH_GEN1, 0 << 0);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
-+ IMX6Q_GPR8_TX_DEEMPH_GEN2_3P5DB, 0 << 6);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
-+ IMX6Q_GPR8_TX_DEEMPH_GEN2_6DB, 20 << 12);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
-+ IMX6Q_GPR8_TX_SWING_FULL, 127 << 18);
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR8,
-+ IMX6Q_GPR8_TX_SWING_LOW, 127 << 25);
-+}
-+
-+static void imx6_pcie_host_init(struct pcie_port *pp)
-+{
-+ int count = 0;
-+ struct imx6_pcie *imx6_pcie = to_imx6_pcie(pp);
-+
-+ imx6_pcie_assert_core_reset(pp);
-+
-+ imx6_pcie_init_phy(pp);
-+
-+ imx6_pcie_deassert_core_reset(pp);
-+
-+ dw_pcie_setup_rc(pp);
-+
-+ regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
-+ IMX6Q_GPR12_PCIE_CTL_2, 1 << 10);
-+
-+ while (!dw_pcie_link_up(pp)) {
-+ usleep_range(100, 1000);
-+ count++;
-+ if (count >= 10) {
-+ dev_err(pp->dev, "phy link never came up\n");
-+ dev_dbg(pp->dev,
-+ "DEBUG_R0: 0x%08x, DEBUG_R1: 0x%08x\n",
-+ readl(pp->dbi_base + PCIE_PHY_DEBUG_R0),
-+ readl(pp->dbi_base + PCIE_PHY_DEBUG_R1));
-+ break;
-+ }
-+ }
-+
-+ return;
-+}
-+
-+static int imx6_pcie_link_up(struct pcie_port *pp)
-+{
-+ u32 rc, ltssm, rx_valid, temp;
-+
-+ /* link is debug bit 36, debug register 1 starts at bit 32 */
-+ rc = readl(pp->dbi_base + PCIE_PHY_DEBUG_R1) & (0x1 << (36 - 32));
-+ if (rc)
-+ return -EAGAIN;
-+
-+ /*
-+ * 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_read(pp->dbi_base, PCIE_PHY_RX_ASIC_OUT, &rx_valid);
-+ ltssm = readl(pp->dbi_base + PCIE_PHY_DEBUG_R0) & 0x3F;
-+
-+ if (rx_valid & 0x01)
-+ return 0;
-+
-+ if (ltssm != 0x0d)
-+ return 0;
-+
-+ dev_err(pp->dev,
-+ "transition to gen2 is stuck, reset PHY!\n");
-+
-+ pcie_phy_read(pp->dbi_base,
-+ PHY_RX_OVRD_IN_LO, &temp);
-+ temp |= (PHY_RX_OVRD_IN_LO_RX_DATA_EN
-+ | PHY_RX_OVRD_IN_LO_RX_PLL_EN);
-+ pcie_phy_write(pp->dbi_base,
-+ PHY_RX_OVRD_IN_LO, temp);
-+
-+ usleep_range(2000, 3000);
-+
-+ pcie_phy_read(pp->dbi_base,
-+ PHY_RX_OVRD_IN_LO, &temp);
-+ temp &= ~(PHY_RX_OVRD_IN_LO_RX_DATA_EN
-+ | PHY_RX_OVRD_IN_LO_RX_PLL_EN);
-+ pcie_phy_write(pp->dbi_base,
-+ PHY_RX_OVRD_IN_LO, temp);
-+
-+ return 0;
-+}
-+
-+static struct pcie_host_ops imx6_pcie_host_ops = {
-+ .link_up = imx6_pcie_link_up,
-+ .host_init = imx6_pcie_host_init,
-+};
-+
-+static int imx6_add_pcie_port(struct pcie_port *pp,
-+ struct platform_device *pdev)
-+{
-+ int ret;
-+
-+ pp->irq = platform_get_irq(pdev, 0);
-+ if (!pp->irq) {
-+ dev_err(&pdev->dev, "failed to get irq\n");
-+ return -ENODEV;
-+ }
-+
-+ pp->root_bus_nr = -1;
-+ pp->ops = &imx6_pcie_host_ops;
-+
-+ spin_lock_init(&pp->conf_lock);
-+ ret = dw_pcie_host_init(pp);
-+ if (ret) {
-+ dev_err(&pdev->dev, "failed to initialize host\n");
-+ return ret;
-+ }
-+
-+ return 0;
-+}
-+
-+static int __init imx6_pcie_probe(struct platform_device *pdev)
-+{
-+ struct imx6_pcie *imx6_pcie;
-+ struct pcie_port *pp;
-+ struct device_node *np = pdev->dev.of_node;
-+ struct resource *dbi_base;
-+ int ret;
-+
-+ imx6_pcie = devm_kzalloc(&pdev->dev, sizeof(*imx6_pcie), GFP_KERNEL);
-+ if (!imx6_pcie)
-+ return -ENOMEM;
-+
-+ pp = &imx6_pcie->pp;
-+ pp->dev = &pdev->dev;
-+
-+ /* Added for PCI abort handling */
-+ hook_fault_code(16 + 6, imx6q_pcie_abort_handler, SIGBUS, 0,
-+ "imprecise external abort");
-+
-+ dbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!dbi_base) {
-+ dev_err(&pdev->dev, "dbi_base memory resource not found\n");
-+ return -ENODEV;
-+ }
-+
-+ pp->dbi_base = devm_ioremap_resource(&pdev->dev, dbi_base);
-+ if (IS_ERR(pp->dbi_base)) {
-+ dev_err(&pdev->dev, "unable to remap dbi_base\n");
-+ ret = PTR_ERR(pp->dbi_base);
-+ goto err;
-+ }
-+
-+ /* Fetch GPIOs */
-+ imx6_pcie->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0);
-+ if (!gpio_is_valid(imx6_pcie->reset_gpio)) {
-+ dev_err(&pdev->dev, "no reset-gpio defined\n");
-+ ret = -ENODEV;
-+ }
-+ ret = devm_gpio_request_one(&pdev->dev,
-+ imx6_pcie->reset_gpio,
-+ GPIOF_OUT_INIT_LOW,
-+ "PCIe reset");
-+ if (ret) {
-+ dev_err(&pdev->dev, "unable to get reset gpio\n");
-+ goto err;
-+ }
-+
-+ imx6_pcie->power_on_gpio = of_get_named_gpio(np, "power-on-gpio", 0);
-+ if (gpio_is_valid(imx6_pcie->power_on_gpio)) {
-+ ret = devm_gpio_request_one(&pdev->dev,
-+ imx6_pcie->power_on_gpio,
-+ GPIOF_OUT_INIT_LOW,
-+ "PCIe power enable");
-+ if (ret) {
-+ dev_err(&pdev->dev, "unable to get power-on gpio\n");
-+ goto err;
-+ }
-+ }
-+
-+ imx6_pcie->wake_up_gpio = of_get_named_gpio(np, "wake-up-gpio", 0);
-+ if (gpio_is_valid(imx6_pcie->wake_up_gpio)) {
-+ ret = devm_gpio_request_one(&pdev->dev,
-+ imx6_pcie->wake_up_gpio,
-+ GPIOF_IN,
-+ "PCIe wake up");
-+ if (ret) {
-+ dev_err(&pdev->dev, "unable to get wake-up gpio\n");
-+ goto err;
-+ }
-+ }
-+
-+ imx6_pcie->disable_gpio = of_get_named_gpio(np, "disable-gpio", 0);
-+ if (gpio_is_valid(imx6_pcie->disable_gpio)) {
-+ ret = devm_gpio_request_one(&pdev->dev,
-+ imx6_pcie->disable_gpio,
-+ GPIOF_OUT_INIT_HIGH,
-+ "PCIe disable endpoint");
-+ if (ret) {
-+ dev_err(&pdev->dev, "unable to get disable-ep gpio\n");
-+ goto err;
-+ }
-+ }
-+
-+ /* Fetch clocks */
-+ imx6_pcie->lvds_gate = clk_get(&pdev->dev, "lvds_gate");
-+ if (IS_ERR(imx6_pcie->lvds_gate)) {
-+ dev_err(&pdev->dev,
-+ "lvds_gate clock select missing or invalid\n");
-+ ret = PTR_ERR(imx6_pcie->lvds_gate);
-+ goto err;
-+ }
-+
-+ imx6_pcie->sata_ref_100m = clk_get(&pdev->dev, "sata_ref_100m");
-+ if (IS_ERR(imx6_pcie->sata_ref_100m)) {
-+ dev_err(&pdev->dev,
-+ "sata_ref_100m clock source missing or invalid\n");
-+ ret = PTR_ERR(imx6_pcie->sata_ref_100m);
-+ goto err;
-+ }
-+
-+ imx6_pcie->pcie_ref_125m = clk_get(&pdev->dev, "pcie_ref_125m");
-+ if (IS_ERR(imx6_pcie->pcie_ref_125m)) {
-+ dev_err(&pdev->dev,
-+ "pcie_ref_125m clock source missing or invalid\n");
-+ ret = PTR_ERR(imx6_pcie->pcie_ref_125m);
-+ goto err;
-+ }
-+
-+ imx6_pcie->pcie_axi = clk_get(&pdev->dev, "pcie_axi");
-+ if (IS_ERR(imx6_pcie->pcie_axi)) {
-+ dev_err(&pdev->dev,
-+ "pcie_axi clock source missing or invalid\n");
-+ ret = PTR_ERR(imx6_pcie->pcie_axi);
-+ goto err;
-+ }
-+
-+ /* Grab GPR config register range */
-+ imx6_pcie->iomuxc_gpr =
-+ syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr");
-+ if (IS_ERR(imx6_pcie->iomuxc_gpr)) {
-+ dev_err(&pdev->dev, "unable to find iomuxc registers\n");
-+ ret = PTR_ERR(imx6_pcie->iomuxc_gpr);
-+ goto err;
-+ }
-+
-+ ret = imx6_add_pcie_port(pp, pdev);
-+ if (ret < 0)
-+ goto err;
-+
-+ platform_set_drvdata(pdev, imx6_pcie);
-+ return 0;
-+
-+err:
-+ return ret;
-+}
-+
-+static const struct of_device_id imx6_pcie_of_match[] = {
-+ { .compatible = "fsl,imx6q-pcie", },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, imx6_pcie_of_match);
-+
-+static struct platform_driver imx6_pcie_driver = {
-+ .driver = {
-+ .name = "imx6q-pcie",
-+ .owner = THIS_MODULE,
-+ .of_match_table = of_match_ptr(imx6_pcie_of_match),
-+ },
-+};
-+
-+/* Freescale PCIe driver does not allow module unload */
-+
-+static int __init imx6_init(void)
-+{
-+ return platform_driver_probe(&imx6_pcie_driver, imx6_pcie_probe);
-+}
-+module_init(imx6_init);
-+
-+MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>");
-+MODULE_DESCRIPTION("Freescale i.MX6 PCIe host controller driver");
-+MODULE_LICENSE("GPL v2");
--- /dev/null
+From 4f6723e8ff497e35c8f2fb20886fccc533c58cdb Mon Sep 17 00:00:00 2001
+From: Sean Cross <xobs@kosagi.com>
+Date: Thu, 26 Sep 2013 10:45:35 +0800
+Subject: [PATCH] ARM: imx6q: clock and Kconfig update for PCIe support
+
+Update imx6q clock initialization and Kconfig for PCIe support.
+
+Signed-off-by: Sean Cross <xobs@kosagi.com>
+Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
+---
+ arch/arm/mach-imx/Kconfig | 2 ++
+ arch/arm/mach-imx/clk-imx6q.c | 4 ++++
+ 2 files changed, 6 insertions(+)
+
+--- a/arch/arm/mach-imx/Kconfig
++++ b/arch/arm/mach-imx/Kconfig
+@@ -806,6 +806,8 @@ config SOC_IMX6Q
+ select HAVE_IMX_SRC
+ select HAVE_SMP
+ select MFD_SYSCON
++ select MIGHT_HAVE_PCI
++ select PCI_DOMAINS if PCI
+ select PINCTRL
+ select PINCTRL_IMX6Q
+ select PL310_ERRATA_588369 if CACHE_PL310
+--- a/arch/arm/mach-imx/clk-imx6q.c
++++ b/arch/arm/mach-imx/clk-imx6q.c
+@@ -586,6 +586,10 @@ int __init mx6q_clocks_init(void)
+ clk_prepare_enable(clk[usbphy2_gate]);
+ }
+
++ /* All existing boards with PCIe use LVDS1 */
++ if (IS_ENABLED(CONFIG_PCI_IMX6))
++ clk_set_parent(clk[lvds1_sel], clk[sata_ref]);
++
+ /* Set initial power mode */
+ imx6q_set_lpm(WAIT_CLOCKED);
+
--- /dev/null
+From 3a57291fa4ca7f7647d826f5b47082ef306d839f Mon Sep 17 00:00:00 2001
+From: Sean Cross <xobs@kosagi.com>
+Date: Thu, 26 Sep 2013 10:51:09 +0800
+Subject: [PATCH] ARM: dts: imx6qdl: add pcie device node
+
+Add pcie device node for imx6qdl.
+
+Signed-off-by: Sean Cross <xobs@kosagi.com>
+Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
+---
+ arch/arm/boot/dts/imx6qdl.dtsi | 16 ++++++++++++++++
+ 1 file changed, 16 insertions(+)
+
+--- a/arch/arm/boot/dts/imx6qdl.dtsi
++++ b/arch/arm/boot/dts/imx6qdl.dtsi
+@@ -108,6 +108,22 @@
+ cache-level = <2>;
+ };
+
++ pcie: pcie@0x01000000 {
++ compatible = "fsl,imx6q-pcie", "snps,dw-pcie";
++ reg = <0x01ffc000 0x4000>; /* DBI */
++ #address-cells = <3>;
++ #size-cells = <2>;
++ device_type = "pci";
++ ranges = <0x00000800 0 0x01f00000 0x01f00000 0 0x00080000 /* configuration space */
++ 0x81000000 0 0 0x01f80000 0 0x00010000 /* downstream I/O */
++ 0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
++ num-lanes = <1>;
++ interrupts = <0 123 0x04>;
++ clocks = <&clks 189>, <&clks 187>, <&clks 206>, <&clks 144>;
++ clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
++ status = "disabled";
++ };
++
+ pmu {
+ compatible = "arm,cortex-a9-pmu";
+ interrupts = <0 94 0x04>;
create mode 100644 Documentation/devicetree/bindings/thermal/imx-thermal.txt
create mode 100644 drivers/thermal/imx_thermal.c
-diff --git a/Documentation/devicetree/bindings/thermal/imx-thermal.txt b/Documentation/devicetree/bindings/thermal/imx-thermal.txt
-new file mode 100644
-index 0000000..541c25e
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/imx-thermal.txt
@@ -0,0 +1,17 @@
+ fsl,tempmon = <&anatop>;
+ fsl,tempmon-data = <&ocotp>;
+};
-diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
-index e988c81..69eed55 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -91,6 +91,17 @@ config THERMAL_EMULATION
config SPEAR_THERMAL
bool "SPEAr thermal sensor driver"
depends on PLAT_SPEAR
-diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
-index 67184a2..dff19c6 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
-@@ -21,6 +21,7 @@ obj-$(CONFIG_EXYNOS_THERMAL) += exynos_thermal.o
+@@ -21,6 +21,7 @@ obj-$(CONFIG_EXYNOS_THERMAL) += exynos_t
obj-$(CONFIG_DOVE_THERMAL) += dove_thermal.o
obj-$(CONFIG_DB8500_THERMAL) += db8500_thermal.o
obj-$(CONFIG_ARMADA_THERMAL) += armada_thermal.o
+obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o
obj-$(CONFIG_DB8500_CPUFREQ_COOLING) += db8500_cpufreq_cooling.o
obj-$(CONFIG_INTEL_POWERCLAMP) += intel_powerclamp.o
- obj-$(CONFIG_X86_PKG_TEMP_THERMAL) += x86_pkg_temp_thermal.o
-diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
-new file mode 100644
-index 0000000..d16c33c
+
--- /dev/null
+++ b/drivers/thermal/imx_thermal.c
@@ -0,0 +1,397 @@
+MODULE_DESCRIPTION("Thermal driver for Freescale i.MX SoCs");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:imx-thermal");
---
-1.8.4
-
+--- a/arch/arm/boot/dts/imx6qdl.dtsi
++++ b/arch/arm/boot/dts/imx6qdl.dtsi
+@@ -119,7 +119,7 @@
+ 0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
+ num-lanes = <1>;
+ interrupts = <0 123 0x04>;
+- clocks = <&clks 189>, <&clks 187>, <&clks 206>, <&clks 144>;
++ clocks = <&clks 189>, <&clks 187>, <&clks 198>, <&clks 144>;
+ clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
+ status = "disabled";
+ };
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -125,3 +125,5 @@ config PCI_IOAPIC
---- a/arch/arm/boot/dts/imx6qdl.dtsi
-+++ b/arch/arm/boot/dts/imx6qdl.dtsi
-@@ -119,7 +119,7 @@
- 0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
- num-lanes = <1>;
- interrupts = <0 123 0x04>;
-- clocks = <&clks 189>, <&clks 187>, <&clks 205>, <&clks 144>;
-+ clocks = <&clks 189>, <&clks 187>, <&clks 198>, <&clks 144>;
- clock-names = "pcie_ref_125m", "sata_ref_100m", "lvds_gate", "pcie_axi";
- status = "disabled";
- };
--- a/drivers/pci/host/pci-imx6.c
+++ b/drivers/pci/host/pci-imx6.c
@@ -200,12 +200,6 @@ static int pcie_phy_write(void __iomem *
projects / openwrt / staging / thess.git / commitdiff