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 <efi.h>
  11 #include <efi_loader.h>
  12 #include <env_internal.h>
  13 #include <init.h>
  14 #include <led.h>
  15 #include <os.h>
  16 #include <asm/global_data.h>
  17 #include <asm/test.h>
  18 #include <asm/u-boot-sandbox.h>
  19 #include <linux/kernel.h>
  20 #include <malloc.h>
  21
  22 #include <extension_board.h>
  23
  24 /*
  25  * Pointer to initial global data area
  26  *
  27  * Here we initialize it.
  28  */
  29 gd_t *gd;
  30
  31 #if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT)
  32 struct efi_fw_image fw_images[] = {
  33 #if defined(CONFIG_EFI_CAPSULE_FIRMWARE_RAW)
  34         {
  35                 .image_type_id = SANDBOX_UBOOT_IMAGE_GUID,
  36                 .fw_name = u"SANDBOX-UBOOT",
  37                 .image_index = 1,
  38         },
  39         {
  40                 .image_type_id = SANDBOX_UBOOT_ENV_IMAGE_GUID,
  41                 .fw_name = u"SANDBOX-UBOOT-ENV",
  42                 .image_index = 2,
  43         },
  44 #elif defined(CONFIG_EFI_CAPSULE_FIRMWARE_FIT)
  45         {
  46                 .image_type_id = SANDBOX_FIT_IMAGE_GUID,
  47                 .fw_name = u"SANDBOX-FIT",
  48                 .image_index = 1,
  49         },
  50 #endif
  51 };
  52
  53 struct efi_capsule_update_info update_info = {
  54         .dfu_string = "sf 0:0=u-boot-bin raw 0x100000 0x50000;"
  55                 "u-boot-env raw 0x150000 0x200000",
  56         .images = fw_images,
  57 };
  58
  59 u8 num_image_type_guids = ARRAY_SIZE(fw_images);
  60 #endif /* EFI_HAVE_CAPSULE_SUPPORT */
  61
  62 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
  63 /*
  64  * Add a simple GPIO device (don't use with of-platdata as it interferes with
  65  * the auto-generated devices)
  66  */
  67 U_BOOT_DRVINFO(gpio_sandbox) = {
  68         .name = "sandbox_gpio",
  69 };
  70 #endif
  71
  72 #ifndef CONFIG_TIMER
  73 /* system timer offset in ms */
  74 static unsigned long sandbox_timer_offset;
  75
  76 void timer_test_add_offset(unsigned long offset)
  77 {
  78         sandbox_timer_offset += offset;
  79 }
  80
  81 unsigned long timer_read_counter(void)
  82 {
  83         return os_get_nsec() / 1000 + sandbox_timer_offset * 1000;
  84 }
  85 #endif
  86
  87 /* specific order for sandbox: nowhere is the first value, used by default */
  88 static enum env_location env_locations[] = {
  89         ENVL_NOWHERE,
  90         ENVL_EXT4,
  91         ENVL_FAT,
  92 };
  93
  94 enum env_location env_get_location(enum env_operation op, int prio)
  95 {
  96         if (prio >= ARRAY_SIZE(env_locations))
  97                 return ENVL_UNKNOWN;
  98
  99         return env_locations[prio];
 100 }
 101
 102 int dram_init(void)
 103 {
 104         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 105         return 0;
 106 }
 107
 108 int board_init(void)
 109 {
 110         if (IS_ENABLED(CONFIG_LED))
 111                 led_default_state();
 112
 113         return 0;
 114 }
 115
 116 int ft_board_setup(void *fdt, struct bd_info *bd)
 117 {
 118         /* Create an arbitrary reservation to allow testing OF_BOARD_SETUP.*/
 119         return fdt_add_mem_rsv(fdt, 0x00d02000, 0x4000);
 120 }
 121
 122 #ifdef CONFIG_CMD_EXTENSION
 123 int extension_board_scan(struct list_head *extension_list)
 124 {
 125         struct extension *extension;
 126         int i;
 127
 128         for (i = 0; i < 2; i++) {
 129                 extension = calloc(1, sizeof(struct extension));
 130                 snprintf(extension->overlay, sizeof(extension->overlay), "overlay%d.dtbo", i);
 131                 snprintf(extension->name, sizeof(extension->name), "extension board %d", i);
 132                 snprintf(extension->owner, sizeof(extension->owner), "sandbox");
 133                 snprintf(extension->version, sizeof(extension->version), "1.1");
 134                 snprintf(extension->other, sizeof(extension->other), "Fictionnal extension board");
 135                 list_add_tail(&extension->list, extension_list);
 136         }
 137
 138         return i;
 139 }
 140 #endif
 141
 142 #ifdef CONFIG_BOARD_LATE_INIT
 143 int board_late_init(void)
 144 {
 145         struct udevice *dev;
 146         int ret;
 147
 148         ret = uclass_first_device_err(UCLASS_CROS_EC, &dev);
 149         if (ret && ret != -ENODEV) {
 150                 /* Force console on */
 151                 gd->flags &= ~GD_FLG_SILENT;
 152
 153                 printf("cros-ec communications failure %d\n", ret);
 154                 puts("\nPlease reset with Power+Refresh\n\n");
 155                 panic("Cannot init cros-ec device");
 156                 return -1;
 157         }
 158         return 0;
 159 }
 160 #endif