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 <addr_map.h>
   8 #include <cpu_func.h>
   9 #include <cros_ec.h>
  10 #include <dm.h>
  11 #include <efi.h>
  12 #include <efi_loader.h>
  13 #include <env_internal.h>
  14 #include <init.h>
  15 #include <led.h>
  16 #include <os.h>
  17 #include <asm/global_data.h>
  18 #include <asm/test.h>
  19 #include <asm/u-boot-sandbox.h>
  20 #include <linux/kernel.h>
  21 #include <malloc.h>
  22
  23 #include <extension_board.h>
  24
  25 /*
  26  * Pointer to initial global data area
  27  *
  28  * Here we initialize it.
  29  */
  30 gd_t *gd;
  31
  32 #if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT)
  33 /* GUIDs for capsule updatable firmware images */
  34 #define SANDBOX_UBOOT_IMAGE_GUID \
  35         EFI_GUID(0x09d7cf52, 0x0720, 0x4710, 0x91, 0xd1, \
  36                  0x08, 0x46, 0x9b, 0x7f, 0xe9, 0xc8)
  37
  38 #define SANDBOX_UBOOT_ENV_IMAGE_GUID \
  39         EFI_GUID(0x5a7021f5, 0xfef2, 0x48b4, 0xaa, 0xba, \
  40                  0x83, 0x2e, 0x77, 0x74, 0x18, 0xc0)
  41
  42 #define SANDBOX_FIT_IMAGE_GUID \
  43         EFI_GUID(0x3673b45d, 0x6a7c, 0x46f3, 0x9e, 0x60, \
  44                  0xad, 0xab, 0xb0, 0x3f, 0x79, 0x37)
  45
  46 struct efi_fw_image fw_images[] = {
  47 #if defined(CONFIG_EFI_CAPSULE_FIRMWARE_RAW)
  48         {
  49                 .image_type_id = SANDBOX_UBOOT_IMAGE_GUID,
  50                 .fw_name = u"SANDBOX-UBOOT",
  51                 .image_index = 1,
  52         },
  53         {
  54                 .image_type_id = SANDBOX_UBOOT_ENV_IMAGE_GUID,
  55                 .fw_name = u"SANDBOX-UBOOT-ENV",
  56                 .image_index = 2,
  57         },
  58 #elif defined(CONFIG_EFI_CAPSULE_FIRMWARE_FIT)
  59         {
  60                 .image_type_id = SANDBOX_FIT_IMAGE_GUID,
  61                 .fw_name = u"SANDBOX-FIT",
  62                 .image_index = 1,
  63         },
  64 #endif
  65 };
  66
  67 struct efi_capsule_update_info update_info = {
  68         .dfu_string = "sf 0:0=u-boot-bin raw 0x100000 0x50000;"
  69                 "u-boot-env raw 0x150000 0x200000",
  70         .images = fw_images,
  71 };
  72
  73 u8 num_image_type_guids = ARRAY_SIZE(fw_images);
  74 #endif /* EFI_HAVE_CAPSULE_SUPPORT */
  75
  76 #if !CONFIG_IS_ENABLED(OF_PLATDATA)
  77 /*
  78  * Add a simple GPIO device (don't use with of-platdata as it interferes with
  79  * the auto-generated devices)
  80  */
  81 U_BOOT_DRVINFO(gpio_sandbox) = {
  82         .name = "sandbox_gpio",
  83 };
  84 #endif
  85
  86 #ifndef CONFIG_TIMER
  87 /* system timer offset in ms */
  88 static unsigned long sandbox_timer_offset;
  89
  90 void timer_test_add_offset(unsigned long offset)
  91 {
  92         sandbox_timer_offset += offset;
  93 }
  94
  95 unsigned long timer_read_counter(void)
  96 {
  97         return os_get_nsec() / 1000 + sandbox_timer_offset * 1000;
  98 }
  99 #endif
 100
 101 /* specific order for sandbox: nowhere is the first value, used by default */
 102 static enum env_location env_locations[] = {
 103         ENVL_NOWHERE,
 104         ENVL_EXT4,
 105         ENVL_FAT,
 106 };
 107
 108 enum env_location env_get_location(enum env_operation op, int prio)
 109 {
 110         if (prio >= ARRAY_SIZE(env_locations))
 111                 return ENVL_UNKNOWN;
 112
 113         return env_locations[prio];
 114 }
 115
 116 int dram_init(void)
 117 {
 118         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 119         return 0;
 120 }
 121
 122 int board_init(void)
 123 {
 124         return 0;
 125 }
 126
 127 int ft_board_setup(void *fdt, struct bd_info *bd)
 128 {
 129         /* Create an arbitrary reservation to allow testing OF_BOARD_SETUP.*/
 130         return fdt_add_mem_rsv(fdt, 0x00d02000, 0x4000);
 131 }
 132
 133 #ifdef CONFIG_CMD_EXTENSION
 134 int extension_board_scan(struct list_head *extension_list)
 135 {
 136         struct extension *extension;
 137         int i;
 138
 139         for (i = 0; i < 2; i++) {
 140                 extension = calloc(1, sizeof(struct extension));
 141                 snprintf(extension->overlay, sizeof(extension->overlay), "overlay%d.dtbo", i);
 142                 snprintf(extension->name, sizeof(extension->name), "extension board %d", i);
 143                 snprintf(extension->owner, sizeof(extension->owner), "sandbox");
 144                 snprintf(extension->version, sizeof(extension->version), "1.1");
 145                 snprintf(extension->other, sizeof(extension->other), "Fictional extension board");
 146                 list_add_tail(&extension->list, extension_list);
 147         }
 148
 149         return i;
 150 }
 151 #endif
 152
 153 #ifdef CONFIG_BOARD_LATE_INIT
 154 int board_late_init(void)
 155 {
 156         struct udevice *dev;
 157         int ret;
 158
 159         ret = uclass_first_device_err(UCLASS_CROS_EC, &dev);
 160         if (ret && ret != -ENODEV) {
 161                 /* Force console on */
 162                 gd->flags &= ~GD_FLG_SILENT;
 163
 164                 printf("cros-ec communications failure %d\n", ret);
 165                 puts("\nPlease reset with Power+Refresh\n\n");
 166                 panic("Cannot init cros-ec device");
 167                 return -1;
 168         }
 169         return 0;
 170 }
 171 #endif
 172
 173 int init_addr_map(void)
 174 {
 175         if (IS_ENABLED(CONFIG_ADDR_MAP))
 176                 addrmap_set_entry(0, 0, CONFIG_SYS_SDRAM_SIZE, 0);
 177
 178         return 0;
 179 }
 180
 181 #if defined(CONFIG_FWU_MULTI_BANK_UPDATE)
 182 void fwu_plat_get_bootidx(uint *boot_idx)
 183 {
 184         /* Dummy value */
 185         *boot_idx = 0;
 186 }
 187 #endif