Merge git://git.denx.de/u-boot-tegra

arch/arm/dts/tegra124-apalis.dts

@@ -1683,9 +1683,9 @@
 					bias-pull-up;
 				};
 
-				gpio1_3_4_5_6 {
-					pins = "gpio1", "gpio3", "gpio4",
-					       "gpio5", "gpio6";
+				gpio0_1_3_4_5_6 {
+					pins = "gpio0", "gpio1", "gpio3",
+					       "gpio4", "gpio5", "gpio6";
 					bias-high-impedance;
 				};
 			};

arch/arm/dts/tegra30-apalis.dts

@@ -43,16 +43,19 @@
 		vddio-pex-ctl-supply = <&sys_3v3_reg>;
 		hvdd-pex-supply = <&sys_3v3_reg>;
 
+		/* Apalis Type Specific 4 Lane PCIe */
 		pci@1,0 {
 			/* TS_DIFF1/2/3/4 left disabled */
 			nvidia,num-lanes = <4>;
 		};
 
+		/* Apalis PCIe */
 		pci@2,0 {
 			/* PCIE1_RX/TX left disabled */
 			nvidia,num-lanes = <1>;
 		};
 
+		/* I210 Gigabit Ethernet Controller (On-module) */
 		pci@3,0 {
 			status = "okay";
 			nvidia,num-lanes = <1>;

board/toradex/apalis-tk1/Kconfig

@@ -25,6 +25,14 @@ config TDX_CFG_BLOCK_PART
 config TDX_CFG_BLOCK_OFFSET
 	default "-512"
 
+config APALIS_TK1_PCIE_EVALBOARD_INIT
+	bool "Apalis Evaluation Board PCIe Initialisation"
+	help
+	  Bring up the Apalis PCIe port with the PCIe switch as found on the
+	  Apalis Evaluation board. Note that by default the PCIe port is also
+	  left disabled in the device tree which needs changing as well for this
+	  to actually work.
+
 source "board/toradex/common/Kconfig"
 
 endif

board/toradex/apalis-tk1/apalis-tk1.c

@@ -1,20 +1,29 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright (c) 2016 Toradex, Inc.
+ * Copyright (c) 2016-2018 Toradex, Inc.
  */
 
 #include <common.h>
+#include <dm.h>
 #include <asm/arch-tegra/ap.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/pinmux.h>
+#include <pci_tegra.h>
 #include <power/as3722.h>
+#include <power/pmic.h>
 
 #include "../common/tdx-common.h"
 #include "pinmux-config-apalis-tk1.h"
 
-#define LAN_RESET_N TEGRA_GPIO(S, 2)
+#define LAN_DEV_OFF_N	TEGRA_GPIO(O, 6)
+#define LAN_RESET_N	TEGRA_GPIO(S, 2)
+#define LAN_WAKE_N	TEGRA_GPIO(O, 5)
+#ifdef CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT
+#define PEX_PERST_N	TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
+#define RESET_MOCI_CTRL	TEGRA_GPIO(U, 4)
+#endif /* CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT */
 
 int arch_misc_init(void)
 {
@@ -58,123 +67,176 @@ void pinmux_init(void)
 }
 
 #ifdef CONFIG_PCI_TEGRA
-int tegra_pcie_board_init(void)
+/* TODO: Convert to driver model */
+static int as3722_sd_enable(struct udevice *pmic, unsigned int sd)
 {
-	/* TODO: Convert to driver model
-	struct udevice *pmic;
 	int err;
 
-	err = as3722_init(&pmic);
+	if (sd > 6)
+		return -EINVAL;
+
+	err = pmic_clrsetbits(pmic, AS3722_SD_CONTROL, 0, 1 << sd);
 	if (err) {
-		error("failed to initialize AS3722 PMIC: %d\n", err);
+		pr_err("failed to update SD control register: %d", err);
 		return err;
 	}
 
-	err = as3722_sd_enable(pmic, 4);
-	if (err < 0) {
-		error("failed to enable SD4: %d\n", err);
-		return err;
-	}
+	return 0;
+}
 
-	err = as3722_sd_set_voltage(pmic, 4, 0x24);
-	if (err < 0) {
-		error("failed to set SD4 voltage: %d\n", err);
-		return err;
-	}
+/* TODO: Convert to driver model */
+static int as3722_ldo_enable(struct udevice *pmic, unsigned int ldo)
+{
+	int err;
+	u8 ctrl_reg = AS3722_LDO_CONTROL0;
 
-	err = as3722_gpio_configure(pmic, 1, AS3722_GPIO_OUTPUT_VDDH |
-					     AS3722_GPIO_INVERT);
-	if (err < 0) {
-		error("failed to configure GPIO#1 as output: %d\n", err);
-		return err;
-	}
+	if (ldo > 11)
+		return -EINVAL;
 
-	err = as3722_gpio_direction_output(pmic, 2, 1);
-	if (err < 0) {
-		error("failed to set GPIO#2 high: %d\n", err);
-		return err;
+	if (ldo > 7) {
+		ctrl_reg = AS3722_LDO_CONTROL1;
+		ldo -= 8;
 	}
-	*/
 
-	/* Reset I210 Gigabit Ethernet Controller */
-	gpio_request(LAN_RESET_N, "LAN_RESET_N");
-	gpio_direction_output(LAN_RESET_N, 0);
-
-	/*
-	 * Make sure we don't get any back feeding from LAN_WAKE_N resp.
-	 * DEV_OFF_N
-	 */
-	gpio_request(TEGRA_GPIO(O, 5), "LAN_WAKE_N");
-	gpio_direction_output(TEGRA_GPIO(O, 5), 0);
-
-	gpio_request(TEGRA_GPIO(O, 6), "LAN_DEV_OFF_N");
-	gpio_direction_output(TEGRA_GPIO(O, 6), 0);
-
-	/* Make sure LDO9 and LDO10 are initially enabled @ 0V */
-	/* TODO: Convert to driver model
-	err = as3722_ldo_enable(pmic, 9);
-	if (err < 0) {
-		error("failed to enable LDO9: %d\n", err);
-		return err;
-	}
-	err = as3722_ldo_enable(pmic, 10);
-	if (err < 0) {
-		error("failed to enable LDO10: %d\n", err);
-		return err;
-	}
-	err = as3722_ldo_set_voltage(pmic, 9, 0x80);
-	if (err < 0) {
-		error("failed to set LDO9 voltage: %d\n", err);
-		return err;
-	}
-	err = as3722_ldo_set_voltage(pmic, 10, 0x80);
-	if (err < 0) {
-		error("failed to set LDO10 voltage: %d\n", err);
+	err = pmic_clrsetbits(pmic, ctrl_reg, 0, 1 << ldo);
+	if (err) {
+		pr_err("failed to update LDO control register: %d", err);
 		return err;
 	}
-	*/
 
-	mdelay(100);
-
-	/* Make sure controller gets enabled by disabling DEV_OFF_N */
-	gpio_set_value(TEGRA_GPIO(O, 6), 1);
+	return 0;
+}
 
-	/* Enable LDO9 and LDO10 for +V3.3_ETH on patched prototypes */
-	/* TODO: Convert to driver model
-	err = as3722_ldo_set_voltage(pmic, 9, 0xff);
-	if (err < 0) {
-		error("failed to set LDO9 voltage: %d\n", err);
-		return err;
+int tegra_pcie_board_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = uclass_get_device_by_driver(UCLASS_PMIC,
+					  DM_GET_DRIVER(pmic_as3722), &dev);
+	if (ret) {
+		pr_err("failed to find AS3722 PMIC: %d\n", ret);
+		return ret;
 	}
-	err = as3722_ldo_set_voltage(pmic, 10, 0xff);
-	if (err < 0) {
-		error("failed to set LDO10 voltage: %d\n", err);
-		return err;
+
+	ret = as3722_sd_enable(dev, 4);
+	if (ret < 0) {
+		pr_err("failed to enable SD4: %d\n", ret);
+		return ret;
 	}
-	*/
 
-	mdelay(100);
-	gpio_set_value(LAN_RESET_N, 1);
+	ret = as3722_sd_set_voltage(dev, 4, 0x24);
+	if (ret < 0) {
+		pr_err("failed to set SD4 voltage: %d\n", ret);
+		return ret;
+	}
 
-#ifdef APALIS_TK1_PCIE_EVALBOARD_INIT
-#define PEX_PERST_N	TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */
-#define RESET_MOCI_CTRL	TEGRA_GPIO(U, 4)
+	gpio_request(LAN_DEV_OFF_N, "LAN_DEV_OFF_N");
+	gpio_request(LAN_RESET_N, "LAN_RESET_N");
+	gpio_request(LAN_WAKE_N, "LAN_WAKE_N");
 
-	/* Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis Evaluation
-	   Board */
+#ifdef CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT
 	gpio_request(PEX_PERST_N, "PEX_PERST_N");
 	gpio_request(RESET_MOCI_CTRL, "RESET_MOCI_CTRL");
-	gpio_direction_output(PEX_PERST_N, 0);
-	gpio_direction_output(RESET_MOCI_CTRL, 0);
-	/* Must be asserted for 100 ms after power and clocks are stable */
-	mdelay(100);
-	gpio_set_value(PEX_PERST_N, 1);
-	/* Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed Until
-	   900 us After PEX_PERST# De-assertion */
-	mdelay(1);
-	gpio_set_value(RESET_MOCI_CTRL, 1);
-#endif /* APALIS_T30_PCIE_EVALBOARD_INIT */
+#endif /* CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT */
 
 	return 0;
 }
+
+void tegra_pcie_board_port_reset(struct tegra_pcie_port *port)
+{
+	int index = tegra_pcie_port_index_of_port(port);
+
+	if (index == 1) { /* I210 Gigabit Ethernet Controller (On-module) */
+		struct udevice *dev;
+		int ret;
+
+		ret = uclass_get_device_by_driver(UCLASS_PMIC,
+						  DM_GET_DRIVER(pmic_as3722),
+						  &dev);
+		if (ret) {
+			debug("%s: Failed to find PMIC\n", __func__);
+			return;
+		}
+
+		/* Reset I210 Gigabit Ethernet Controller */
+		gpio_direction_output(LAN_RESET_N, 0);
+
+		/*
+		 * Make sure we don't get any back feeding from DEV_OFF_N resp.
+		 * LAN_WAKE_N
+		 */
+		gpio_direction_output(LAN_DEV_OFF_N, 0);
+		gpio_direction_output(LAN_WAKE_N, 0);
+
+		/* Make sure LDO9 and LDO10 are initially enabled @ 0V */
+		ret = as3722_ldo_enable(dev, 9);
+		if (ret < 0) {
+			pr_err("failed to enable LDO9: %d\n", ret);
+			return;
+		}
+		ret = as3722_ldo_enable(dev, 10);
+		if (ret < 0) {
+			pr_err("failed to enable LDO10: %d\n", ret);
+			return;
+		}
+		ret = as3722_ldo_set_voltage(dev, 9, 0x80);
+		if (ret < 0) {
+			pr_err("failed to set LDO9 voltage: %d\n", ret);
+			return;
+		}
+		ret = as3722_ldo_set_voltage(dev, 10, 0x80);
+		if (ret < 0) {
+			pr_err("failed to set LDO10 voltage: %d\n", ret);
+			return;
+		}
+
+		/* Make sure controller gets enabled by disabling DEV_OFF_N */
+		gpio_set_value(LAN_DEV_OFF_N, 1);
+
+		/*
+		 * Enable LDO9 and LDO10 for +V3.3_ETH on patched prototype
+		 * V1.0A and sample V1.0B and newer modules
+		 */
+		ret = as3722_ldo_set_voltage(dev, 9, 0xff);
+		if (ret < 0) {
+			pr_err("failed to set LDO9 voltage: %d\n", ret);
+			return;
+		}
+		ret = as3722_ldo_set_voltage(dev, 10, 0xff);
+		if (ret < 0) {
+			pr_err("failed to set LDO10 voltage: %d\n", ret);
+			return;
+		}
+
+		/*
+		 * Must be asserted for 100 ms after power and clocks are stable
+		 */
+		mdelay(100);
+
+		gpio_set_value(LAN_RESET_N, 1);
+	} else if (index == 0) { /* Apalis PCIe */
+#ifdef CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT
+		/*
+		 * Reset PLX PEX 8605 PCIe Switch plus PCIe devices on Apalis
+		 * Evaluation Board
+		 */
+		gpio_direction_output(PEX_PERST_N, 0);
+		gpio_direction_output(RESET_MOCI_CTRL, 0);
+
+		/*
+		 * Must be asserted for 100 ms after power and clocks are stable
+		 */
+		mdelay(100);
+
+		gpio_set_value(PEX_PERST_N, 1);
+		/*
+		 * Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not Guaranteed
+		 * Until 900 us After PEX_PERST# De-assertion
+		 */
+		mdelay(1);
+		gpio_set_value(RESET_MOCI_CTRL, 1);
+#endif /* CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT */
+	}
+}
 #endif /* CONFIG_PCI_TEGRA */

board/toradex/apalis_t30/Kconfig

@@ -25,6 +25,15 @@ config TDX_CFG_BLOCK_PART
 config TDX_CFG_BLOCK_OFFSET
 	default "-512"
 
+config APALIS_T30_PCIE_EVALBOARD_INIT
+	bool "Apalis Evaluation Board PCIe Initialisation"
+	help
+	  Bring up the Apalis type specific 4 lane PCIe port as well as the
+	  Apalis PCIe port with the PCIe switch as found on the Apalis
+	  Evaluation board. Note that by default both those ports are also left
+	  disabled in the device tree which needs changing as well for this to
+	  actually work.
+
 source "board/toradex/common/Kconfig"
 
 endif

board/toradex/apalis_t30/apalis_t30.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- *  (C) Copyright 2014-2016
+ *  (C) Copyright 2014-2018
  *  Marcel Ziswiler <marcel@ziswiler.com>
  */
 
@@ -13,6 +13,7 @@
 #include <asm/io.h>
 #include <dm.h>
 #include <i2c.h>
+#include <pci_tegra.h>
 #include "../common/tdx-common.h"
 
 #include "pinmux-config-apalis_t30.h"
@@ -22,6 +23,13 @@ DECLARE_GLOBAL_DATA_PTR;
 #define PMU_I2C_ADDRESS		0x2D
 #define MAX_I2C_RETRY		3
 
+#ifdef CONFIG_APALIS_T30_PCIE_EVALBOARD_INIT
+#define PEX_PERST_N	TEGRA_GPIO(S, 7) /* Apalis GPIO7 */
+#define RESET_MOCI_CTRL	TEGRA_GPIO(I, 4)
+
+static int pci_reset_status;
+#endif /* CONFIG_APALIS_T30_PCIE_EVALBOARD_INIT */
+
 int arch_misc_init(void)
 {
 	if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
@@ -106,6 +114,53 @@ int tegra_pcie_board_init(void)
 		return err;
 	}
 
+#ifdef CONFIG_APALIS_T30_PCIE_EVALBOARD_INIT
+	gpio_request(PEX_PERST_N, "PEX_PERST_N");
+	gpio_request(RESET_MOCI_CTRL, "RESET_MOCI_CTRL");
+#endif /* CONFIG_APALIS_T30_PCIE_EVALBOARD_INIT */
+
 	return 0;
 }
+
+void tegra_pcie_board_port_reset(struct tegra_pcie_port *port)
+{
+	int index = tegra_pcie_port_index_of_port(port);
+
+	if (index == 2) { /* I210 Gigabit Ethernet Controller (On-module) */
+		tegra_pcie_port_reset(port);
+	}
+#ifdef CONFIG_APALIS_T30_PCIE_EVALBOARD_INIT
+	/*
+	 * Apalis PCIe aka port 1 and Apalis Type Specific 4 Lane PCIe aka port
+	 * 0 share the same RESET_MOCI therefore only assert it once for both
+	 * ports to avoid losing the previously brought up port again.
+	 */
+	else if ((index == 1) || (index == 0)) {
+		/* only do it once per init cycle */
+		if (pci_reset_status % 2 == 0) {
+			/*
+			 * Reset PLX PEX 8605 PCIe Switch plus PCIe devices on
+			 * Apalis Evaluation Board
+			 */
+			gpio_direction_output(PEX_PERST_N, 0);
+			gpio_direction_output(RESET_MOCI_CTRL, 0);
+
+			/*
+			 * Must be asserted for 100 ms after power and clocks
+			 * are stable
+			 */
+			mdelay(100);
+
+			gpio_set_value(PEX_PERST_N, 1);
+			/*
+			 * Err_5: PEX_REFCLK_OUTpx/nx Clock Outputs is not
+			 * Guaranteed Until 900 us After PEX_PERST# De-assertion
+			 */
+			mdelay(1);
+			gpio_set_value(RESET_MOCI_CTRL, 1);
+		}
+		pci_reset_status++;
+	}
+#endif /* CONFIG_APALIS_T30_PCIE_EVALBOARD_INIT */
+}
 #endif /* CONFIG_PCI_TEGRA */

board/toradex/apalis_t30/pinmux-config-apalis_t30.h

@@ -284,17 +284,19 @@ static struct pmux_pingrp_config tegra3_pinmux_common[] = {
 	DEFAULT_PINMUX(SPI1_CS0_N_PX6, SPI1, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(SPI1_MISO_PX7, SPI1, NORMAL, NORMAL, INPUT),
 
-	DEFAULT_PINMUX(PEX_L0_PRSNT_N_PDD0, PCIE, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(PEX_L0_RST_N_PDD1, PCIE, NORMAL, NORMAL, OUTPUT),
-	DEFAULT_PINMUX(PEX_L0_CLKREQ_N_PDD2, PCIE, NORMAL, NORMAL, INPUT),
-	DEFAULT_PINMUX(PEX_WAKE_N_PDD3, PCIE, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PEX_L0_PRSNT_N_PDD0, RSVD2, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PEX_L0_RST_N_PDD1, RSVD2, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PEX_L0_CLKREQ_N_PDD2, RSVD2, NORMAL, NORMAL, INPUT),
+
+	DEFAULT_PINMUX(PEX_L1_PRSNT_N_PDD4, RSVD2, DOWN, TRISTATE, OUTPUT), /* NC */
+	DEFAULT_PINMUX(PEX_L1_RST_N_PDD5, RSVD2, DOWN, TRISTATE, OUTPUT), /* NC */
+	DEFAULT_PINMUX(PEX_L1_CLKREQ_N_PDD6, RSVD2, DOWN, TRISTATE, OUTPUT), /* NC */
 
-	DEFAULT_PINMUX(PEX_L1_PRSNT_N_PDD4, PCIE, DOWN, TRISTATE, OUTPUT), /* NC */
-	DEFAULT_PINMUX(PEX_L1_RST_N_PDD5, PCIE, DOWN, TRISTATE, OUTPUT), /* NC */
-	DEFAULT_PINMUX(PEX_L1_CLKREQ_N_PDD6, PCIE, DOWN, TRISTATE, OUTPUT), /* NC */
 	DEFAULT_PINMUX(PEX_L2_PRSNT_N_PDD7, PCIE, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(PEX_L2_RST_N_PCC6, PCIE, NORMAL, NORMAL, OUTPUT),
 	DEFAULT_PINMUX(PEX_L2_CLKREQ_N_PCC7, PCIE, NORMAL, NORMAL, INPUT),
+	DEFAULT_PINMUX(PEX_WAKE_N_PDD3, PCIE, NORMAL, NORMAL, INPUT),
+
 	DEFAULT_PINMUX(HDMI_CEC_PEE3, CEC, NORMAL, NORMAL, INPUT),
 	DEFAULT_PINMUX(HDMI_INT_PN7, RSVD1, NORMAL, NORMAL, INPUT),
 

configs/colibri_t20_defconfig

@@ -35,6 +35,7 @@ CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SPL_DM=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
+CONFIG_MTD=y
 CONFIG_MTD_UBI_FASTMAP=y
 CONFIG_DM_PMIC=y
 CONFIG_DM_REGULATOR=y

configs/harmony_defconfig

@@ -18,13 +18,19 @@ CONFIG_CMD_USB=y
 CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT4_WRITE=y
+CONFIG_MTDIDS_DEFAULT="nand0=tegra_nand"
+CONFIG_MTDPARTS_DEFAULT="mtdparts=tegra_nand:2m(u-boot)ro,1m(u-boot-env),1m(cfgblock)ro,-(ubi)"
+CONFIG_CMD_UBI=y
 # CONFIG_SPL_DOS_PARTITION is not set
 # CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_OF_LIVE=y
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SPL_DM=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
 CONFIG_DM_PCI_COMPAT=y
+CONFIG_MTD=y
+CONFIG_MTD_UBI_FASTMAP=y
 CONFIG_DM_PMIC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y

drivers/mtd/nand/tegra_nand.c

@@ -17,6 +17,7 @@
 #include <asm/gpio.h>
 #include <fdtdec.h>
 #include <bouncebuf.h>
+#include <dm.h>
 #include "tegra_nand.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -28,6 +29,13 @@ DECLARE_GLOBAL_DATA_PTR;
 /* ECC bytes to be generated for tag data */
 #define TAG_ECC_BYTES			4
 
+static const struct udevice_id tegra_nand_dt_ids[] = {
+	{
+		.compatible = "nvidia,tegra20-nand",
+	},
+	{ /* sentinel */ }
+};
+
 /* 64 byte oob block info for large page (== 2KB) device
  *
  * OOB flash layout for Tegra with Reed-Solomon 4 symbol correct ECC:
@@ -90,9 +98,11 @@ struct nand_drv {
 	struct fdt_nand config;
 };
 
-static struct nand_drv nand_ctrl;
-static struct mtd_info *our_mtd;
-static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
+struct tegra_nand_info {
+	struct udevice *dev;
+	struct nand_drv nand_ctrl;
+	struct nand_chip nand_chip;
+};
 
 /**
  * Wait for command completion
@@ -452,8 +462,8 @@ static void stop_command(struct nand_ctlr *reg)
  * @param *reg_val	address of reg_val
  * @return 0 if ok, -1 on error
  */
-static int set_bus_width_page_size(struct fdt_nand *config,
-	u32 *reg_val)
+static int set_bus_width_page_size(struct mtd_info *our_mtd,
+				   struct fdt_nand *config, u32 *reg_val)
 {
 	if (config->width == 8)
 		*reg_val = CFG_BUS_WIDTH_8BIT;
@@ -513,7 +523,7 @@ static int nand_rw_page(struct mtd_info *mtd, struct nand_chip *chip,
 
 	info = (struct nand_drv *)nand_get_controller_data(chip);
 	config = &info->config;
-	if (set_bus_width_page_size(config, &reg_val))
+	if (set_bus_width_page_size(mtd, config, &reg_val))
 		return -EINVAL;
 
 	/* Need to be 4-byte aligned */
@@ -721,7 +731,7 @@ static int nand_rw_oob(struct mtd_info *mtd, struct nand_chip *chip,
 	if (((int)chip->oob_poi) & 0x03)
 		return -EINVAL;
 	info = (struct nand_drv *)nand_get_controller_data(chip);
-	if (set_bus_width_page_size(&info->config, &reg_val))
+	if (set_bus_width_page_size(mtd, &info->config, &reg_val))
 		return -EINVAL;
 
 	stop_command(info->reg);
@@ -882,51 +892,39 @@ static void setup_timing(unsigned timing[FDT_NAND_TIMING_COUNT],
 /**
  * Decode NAND parameters from the device tree
  *
- * @param blob	Device tree blob
- * @param node	Node containing "nand-flash" compatible node
+ * @param dev		Driver model device
+ * @param config	Device tree NAND configuration
  * @return 0 if ok, -ve on error (FDT_ERR_...)
  */
-static int fdt_decode_nand(const void *blob, int node, struct fdt_nand *config)
+static int fdt_decode_nand(struct udevice *dev, struct fdt_nand *config)
 {
 	int err;
 
-	config->reg = (struct nand_ctlr *)fdtdec_get_addr(blob, node, "reg");
-	config->enabled = fdtdec_get_is_enabled(blob, node);
-	config->width = fdtdec_get_int(blob, node, "nvidia,nand-width", 8);
-	err = gpio_request_by_name_nodev(offset_to_ofnode(node),
-			"nvidia,wp-gpios", 0, &config->wp_gpio, GPIOD_IS_OUT);
+	config->reg = (struct nand_ctlr *)dev_read_addr(dev);
+	config->enabled = dev_read_enabled(dev);
+	config->width = dev_read_u32_default(dev, "nvidia,nand-width", 8);
+	err = gpio_request_by_name(dev, "nvidia,wp-gpios", 0, &config->wp_gpio,
+				   GPIOD_IS_OUT);
 	if (err)
 		return err;
-	err = fdtdec_get_int_array(blob, node, "nvidia,timing",
-			config->timing, FDT_NAND_TIMING_COUNT);
+	err = dev_read_u32_array(dev, "nvidia,timing", config->timing,
+				 FDT_NAND_TIMING_COUNT);
 	if (err < 0)
 		return err;
 
-	/* Now look up the controller and decode that */
-	node = fdt_next_node(blob, node, NULL);
-	if (node < 0)
-		return node;
-
 	return 0;
 }
 
-/**
- * Board-specific NAND initialization
- *
- * @param nand	nand chip info structure
- * @return 0, after initialized, -1 on error
- */
-int tegra_nand_init(struct nand_chip *nand, int devnum)
+static int tegra_probe(struct udevice *dev)
 {
-	struct nand_drv *info = &nand_ctrl;
+	struct tegra_nand_info *tegra = dev_get_priv(dev);
+	struct nand_chip *nand = &tegra->nand_chip;
+	struct nand_drv *info = &tegra->nand_ctrl;
 	struct fdt_nand *config = &info->config;
-	int node, ret;
+	struct mtd_info *our_mtd;
+	int ret;
 
-	node = fdtdec_next_compatible(gd->fdt_blob, 0,
-				      COMPAT_NVIDIA_TEGRA20_NAND);
-	if (node < 0)
-		return -1;
-	if (fdt_decode_nand(gd->fdt_blob, node, config)) {
+	if (fdt_decode_nand(dev, config)) {
 		printf("Could not decode nand-flash in device tree\n");
 		return -1;
 	}
@@ -949,7 +947,7 @@ int tegra_nand_init(struct nand_chip *nand, int devnum)
 	nand->ecc.strength = 1;
 	nand->select_chip = nand_select_chip;
 	nand->dev_ready  = nand_dev_ready;
-	nand_set_controller_data(nand, &nand_ctrl);
+	nand_set_controller_data(nand, &tegra->nand_ctrl);
 
 	/* Disable subpage writes as we do not provide ecc->hwctl */
 	nand->options |= NAND_NO_SUBPAGE_WRITE;
@@ -974,17 +972,31 @@ int tegra_nand_init(struct nand_chip *nand, int devnum)
 	if (ret)
 		return ret;
 
-	ret = nand_register(devnum, our_mtd);
-	if (ret)
+	ret = nand_register(0, our_mtd);
+	if (ret) {
+		dev_err(dev, "Failed to register MTD: %d\n", ret);
 		return ret;
+	}
 
 	return 0;
 }
 
+U_BOOT_DRIVER(tegra_nand) = {
+	.name = "tegra-nand",
+	.id = UCLASS_MTD,
+	.of_match = tegra_nand_dt_ids,
+	.probe = tegra_probe,
+	.priv_auto_alloc_size = sizeof(struct tegra_nand_info),
+};
+
 void board_nand_init(void)
 {
-	struct nand_chip *nand = &nand_chip[0];
-
-	if (tegra_nand_init(nand, 0))
-		puts("Tegra NAND init failed\n");
+	struct udevice *dev;
+	int ret;
+
+	ret = uclass_get_device_by_driver(UCLASS_MTD,
+					  DM_GET_DRIVER(tegra_nand), &dev);
+	if (ret && ret != -ENODEV)
+		pr_err("Failed to initialize %s. (error %d)\n", dev->name,
+		       ret);
 }

drivers/pci/pci_tegra.c

@@ -17,6 +17,7 @@
 #include <errno.h>
 #include <malloc.h>
 #include <pci.h>
+#include <pci_tegra.h>
 #include <power-domain.h>
 #include <reset.h>
 
@@ -888,7 +889,7 @@ static unsigned long tegra_pcie_port_get_pex_ctrl(struct tegra_pcie_port *port)
 	return ret;
 }
 
-static void tegra_pcie_port_reset(struct tegra_pcie_port *port)
+void tegra_pcie_port_reset(struct tegra_pcie_port *port)
 {
 	unsigned long ctrl = tegra_pcie_port_get_pex_ctrl(port);
 	unsigned long value;
@@ -905,6 +906,16 @@ static void tegra_pcie_port_reset(struct tegra_pcie_port *port)
 	afi_writel(port->pcie, value, ctrl);
 }
 
+int tegra_pcie_port_index_of_port(struct tegra_pcie_port *port)
+{
+	return port->index;
+}
+
+void __weak tegra_pcie_board_port_reset(struct tegra_pcie_port *port)
+{
+	tegra_pcie_port_reset(port);
+}
+
 static void tegra_pcie_port_enable(struct tegra_pcie_port *port)
 {
 	struct tegra_pcie *pcie = port->pcie;
@@ -923,7 +934,7 @@ static void tegra_pcie_port_enable(struct tegra_pcie_port *port)
 
 	afi_writel(pcie, value, ctrl);
 
-	tegra_pcie_port_reset(port);
+	tegra_pcie_board_port_reset(port);
 
 	if (soc->force_pca_enable) {
 		value = rp_readl(port, RP_VEND_CTL2);
@@ -974,7 +985,7 @@ static bool tegra_pcie_port_check_link(struct tegra_pcie_port *port)
 		} while (--timeout);
 
 retry:
-		tegra_pcie_port_reset(port);
+		tegra_pcie_board_port_reset(port);
 	} while (--retries);
 
 	return false;

drivers/power/regulator/as3722_regulator.c

@@ -13,6 +13,8 @@
 #include <power/pmic.h>
 #include <power/regulator.h>
 
+#define AS3722_LDO_CONTROL0_MAX_INDEX 7
+
 static int stepdown_get_value(struct udevice *dev)
 {
 	return -ENOSYS;
@@ -68,10 +70,16 @@ static int ldo_set_value(struct udevice *dev, int uvolt)
 static int ldo_set_enable(struct udevice *dev, bool enable)
 {
 	struct udevice *pmic = dev_get_parent(dev);
+	u8 ctrl_reg = AS3722_LDO_CONTROL0;
 	int ldo = dev->driver_data;
 	int ret;
 
-	ret = pmic_clrsetbits(pmic, AS3722_LDO_CONTROL, 0, 1 << ldo);
+	if (ldo > AS3722_LDO_CONTROL0_MAX_INDEX) {
+		ctrl_reg = AS3722_LDO_CONTROL1;
+		ldo -= 8;
+	}
+
+	ret = pmic_clrsetbits(pmic, ctrl_reg, !enable << ldo, enable << ldo);
 	if (ret < 0) {
 		debug("%s: failed to write LDO control register: %d", __func__,
 		      ret);
@@ -84,10 +92,16 @@ static int ldo_set_enable(struct udevice *dev, bool enable)
 static int ldo_get_enable(struct udevice *dev)
 {
 	struct udevice *pmic = dev_get_parent(dev);
+	u8 ctrl_reg = AS3722_LDO_CONTROL0;
 	int ldo = dev->driver_data;
 	int ret;
 
-	ret = pmic_reg_read(pmic, AS3722_LDO_CONTROL);
+	if (ldo > AS3722_LDO_CONTROL0_MAX_INDEX) {
+		ctrl_reg = AS3722_LDO_CONTROL1;
+		ldo -= 8;
+	}
+
+	ret = pmic_reg_read(pmic, ctrl_reg);
 	if (ret < 0) {
 		debug("%s: failed to read SD control register: %d", __func__,
 		      ret);

include/configs/apalis-tk1.h

@@ -80,7 +80,7 @@
 		"&& setenv dtbparam ${fdt_addr_r}\0"
 
 #define SD_BOOTCMD \
-	"sdargs=ip=off root=/dev/mmcblk1p2 rw rootfstype=ext3 rootwait\0" \
+	"sdargs=ip=off root=/dev/mmcblk1p2 rw rootfstype=ext4 rootwait\0" \
 	"sdboot=run setup; setenv bootargs ${defargs} ${sdargs} ${setupargs} " \
 		"${vidargs}; echo Booting from SD card in 8bit slot...; " \
 		"run sddtbload; load mmc 1:1 ${kernel_addr_r} " \
@@ -91,7 +91,7 @@
 		"&& setenv dtbparam ${fdt_addr_r}\0"
 
 #define USB_BOOTCMD \
-	"usbargs=ip=off root=/dev/sda2 rw rootfstype=ext3 rootwait\0" \
+	"usbargs=ip=off root=/dev/sda2 rw rootfstype=ext4 rootwait\0" \
 	"usbboot=run setup; setenv bootargs ${defargs} ${setupargs} " \
 		"${usbargs} ${vidargs}; echo Booting from USB stick...; " \
 		"usb start && run usbdtbload; load usb 0:1 ${kernel_addr_r} " \

include/configs/harmony.h

@@ -29,6 +29,10 @@
 #define CONFIG_TEGRA_NAND
 #define CONFIG_SYS_MAX_NAND_DEVICE	1
 
+/* Dynamic MTD partition support */
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE	/* needed for mtdparts commands */
+
 /* Environment in NAND (which is 512M), aligned to start of last sector */
 #define CONFIG_ENV_OFFSET	(SZ_512M - SZ_128K) /* 128K sector size */
 

include/pci_tegra.h

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2018 Toradex, Inc.
+ */
+
+struct tegra_pcie_port;
+
+int tegra_pcie_port_index_of_port(struct tegra_pcie_port *port);
+
+void tegra_pcie_port_reset(struct tegra_pcie_port *port);

include/power/as3722.h

@@ -13,7 +13,8 @@
 #define AS3722_SD_VOLTAGE(n) (0x00 + (n))
 #define AS3722_LDO_VOLTAGE(n) (0x10 + (n))
 #define AS3722_SD_CONTROL 0x4d
-#define AS3722_LDO_CONTROL 0x4e
+#define AS3722_LDO_CONTROL0 0x4e
+#define AS3722_LDO_CONTROL1 0x4f
 #define AS3722_ASIC_ID1 0x90
 #define AS3722_ASIC_ID2 0x91
 
@@ -24,5 +25,6 @@
 #define AS3722_GPIO_CONTROL_INVERT (1 << 7)
 
 int as3722_sd_set_voltage(struct udevice *dev, unsigned int sd, u8 value);
+int as3722_ldo_set_voltage(struct udevice *dev, unsigned int ldo, u8 value);
 
 #endif /* __POWER_AS3722_H__ */