LXR uboot/board/sandbox/sandbox.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (c) 2011 The Chromium OS Authors.
   4 */
   5
   6#include <common.h>
   7#include <cpu_func.h>
   8#include <cros_ec.h>
   9#include <dm.h>
  10#include <env_internal.h>
  11#include <init.h>
  12#include <led.h>
  13#include <os.h>
  14#include <asm/global_data.h>
  15#include <asm/test.h>
  16#include <asm/u-boot-sandbox.h>
  17#include <malloc.h>
  18
  19#include <extension_board.h>
  20
  21/*
  22 * Pointer to initial global data area
  23 *
  24 * Here we initialize it.
  25 */
  26gd_t *gd;
  27
  28#if !CONFIG_IS_ENABLED(OF_PLATDATA)
  29/*
  30 * Add a simple GPIO device (don't use with of-platdata as it interferes with
  31 * the auto-generated devices)
  32 */
  33U_BOOT_DRVINFO(gpio_sandbox) = {
  34        .name = "sandbox_gpio",
  35};
  36#endif
  37
  38#ifndef CONFIG_TIMER
  39/* system timer offset in ms */
  40static unsigned long sandbox_timer_offset;
  41
  42void timer_test_add_offset(unsigned long offset)
  43{
  44        sandbox_timer_offset += offset;
  45}
  46
  47unsigned long timer_read_counter(void)
  48{
  49        return os_get_nsec() / 1000 + sandbox_timer_offset * 1000;
  50}
  51#endif
  52
  53/* specific order for sandbox: nowhere is the first value, used by default */
  54static enum env_location env_locations[] = {
  55        ENVL_NOWHERE,
  56        ENVL_EXT4,
  57        ENVL_FAT,
  58};
  59
  60enum env_location env_get_location(enum env_operation op, int prio)
  61{
  62        if (prio >= ARRAY_SIZE(env_locations))
  63                return ENVL_UNKNOWN;
  64
  65        return env_locations[prio];
  66}
  67
  68int dram_init(void)
  69{
  70        gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
  71        return 0;
  72}
  73
  74int board_init(void)
  75{
  76        if (IS_ENABLED(CONFIG_LED))
  77                led_default_state();
  78
  79        return 0;
  80}
  81
  82int ft_board_setup(void *fdt, struct bd_info *bd)
  83{
  84        /* Create an arbitrary reservation to allow testing OF_BOARD_SETUP.*/
  85        return fdt_add_mem_rsv(fdt, 0x00d02000, 0x4000);
  86}
  87
  88#ifdef CONFIG_CMD_EXTENSION
  89int extension_board_scan(struct list_head *extension_list)
  90{
  91        struct extension *extension;
  92        int i;
  93
  94        for (i = 0; i < 2; i++) {
  95                extension = calloc(1, sizeof(struct extension));
  96                snprintf(extension->overlay, sizeof(extension->overlay), "overlay%d.dtbo", i);
  97                snprintf(extension->name, sizeof(extension->name), "extension board %d", i);
  98                snprintf(extension->owner, sizeof(extension->owner), "sandbox");
  99                snprintf(extension->version, sizeof(extension->version), "1.1");
 100                snprintf(extension->other, sizeof(extension->other), "Fictionnal extension board");
 101                list_add_tail(&extension->list, extension_list);
 102        }
 103
 104        return i;
 105}
 106#endif
 107
 108#ifdef CONFIG_BOARD_LATE_INIT
 109int board_late_init(void)
 110{
 111        struct udevice *dev;
 112        int ret;
 113
 114        ret = uclass_first_device_err(UCLASS_CROS_EC, &dev);
 115        if (ret && ret != -ENODEV) {
 116                /* Force console on */
 117                gd->flags &= ~GD_FLG_SILENT;
 118
 119                printf("cros-ec communications failure %d\n", ret);
 120                puts("\nPlease reset with Power+Refresh\n\n");
 121                panic("Cannot init cros-ec device");
 122                return -1;
 123        }
 124        return 0;
 125}
 126#endif
 127