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

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lime2-spi
Tom Rini 6 years ago
parent 57a72d0560 71cb3d7c78
commit 9a66328a37
16 changed files with 356 additions and 157 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 6
      arch/arm/dts/tegra124-apalis.dts
  2. 3
      arch/arm/dts/tegra30-apalis.dts
  3. 8
      board/toradex/apalis-tk1/Kconfig
  4. 252
      board/toradex/apalis-tk1/apalis-tk1.c
  5. 9
      board/toradex/apalis_t30/Kconfig
  6. 57
      board/toradex/apalis_t30/apalis_t30.c
  7. 16
      board/toradex/apalis_t30/pinmux-config-apalis_t30.h
  8. 1
      configs/colibri_t20_defconfig
  9. 6
      configs/harmony_defconfig
  10. 98
      drivers/mtd/nand/tegra_nand.c
  11. 17
      drivers/pci/pci_tegra.c
  12. 18
      drivers/power/regulator/as3722_regulator.c
  13. 4
      include/configs/apalis-tk1.h
  14. 4
      include/configs/harmony.h
  15. 10
      include/pci_tegra.h
  16. 4
      include/power/as3722.h

6
arch/arm/dts/tegra124-apalis.dts
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@ -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;
};
};

3
arch/arm/dts/tegra30-apalis.dts
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@ -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>;

8
board/toradex/apalis-tk1/Kconfig
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@ -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

252
board/toradex/apalis-tk1/apalis-tk1.c
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@ -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 */

9
board/toradex/apalis_t30/Kconfig
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@ -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

57
board/toradex/apalis_t30/apalis_t30.c
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@ -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 */

16
board/toradex/apalis_t30/pinmux-config-apalis_t30.h
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@ -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),

1
configs/colibri_t20_defconfig
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@ -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

6
configs/harmony_defconfig
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@ -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

98
drivers/mtd/nand/tegra_nand.c
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@ -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);
}

17
drivers/pci/pci_tegra.c
Unescape View File

@ -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;

18
drivers/power/regulator/as3722_regulator.c
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@ -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);

4
include/configs/apalis-tk1.h
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@ -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} " \

4
include/configs/harmony.h
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@ -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 */

10
include/pci_tegra.h
Unescape View File

@ -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);

4
include/power/as3722.h
Unescape View File

@ -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__ */

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