LXR uboot/board/qualcomm/qcs404-evb/qcs404-evb.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Board init file for QCS404-EVB
   4 *
   5 * (C) Copyright 2022 Sumit Garg <sumit.garg@linaro.org>
   6 */
   7
   8#include <common.h>
   9#include <cpu_func.h>
  10#include <dm.h>
  11#include <env.h>
  12#include <init.h>
  13#include <asm/cache.h>
  14#include <asm/gpio.h>
  15#include <asm/global_data.h>
  16#include <fdt_support.h>
  17#include <asm/arch/dram.h>
  18
  19DECLARE_GLOBAL_DATA_PTR;
  20
  21int dram_init(void)
  22{
  23        return fdtdec_setup_mem_size_base();
  24}
  25
  26int board_init(void)
  27{
  28        struct udevice *pmic_gpio;
  29        struct gpio_desc usb_vbus_boost_pin;
  30        int ret, node;
  31
  32        ret = uclass_get_device_by_name(UCLASS_GPIO,
  33                                        "pms405_gpios@c000",
  34                                        &pmic_gpio);
  35        if (ret < 0) {
  36                printf("Failed to find pms405_gpios@c000 node.\n");
  37                return ret;
  38        }
  39
  40        node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pmic_gpio),
  41                                  "usb_vbus_boost_pin");
  42        if (node < 0) {
  43                printf("Failed to find usb_hub_reset_pm dt node.\n");
  44                return node;
  45        }
  46        ret = gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0,
  47                                         &usb_vbus_boost_pin, 0);
  48        if (ret < 0) {
  49                printf("Failed to request usb_hub_reset_pm gpio.\n");
  50                return ret;
  51        }
  52
  53        dm_gpio_set_dir_flags(&usb_vbus_boost_pin,
  54                              GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
  55
  56        return 0;
  57}
  58
  59void reset_cpu(void)
  60{
  61        psci_system_reset();
  62}
  63