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 IS_ENABLED(CONFIG_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
timer_test_add_offset(unsigned long offset)90 void timer_test_add_offset(unsigned long offset)
91 {
92 sandbox_timer_offset += offset;
93 }
94
timer_read_counter(void)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
env_get_location(enum env_operation op,int prio)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
dram_init(void)116 int dram_init(void)
117 {
118 gd->ram_size = CFG_SYS_SDRAM_SIZE;
119 return 0;
120 }
121
board_init(void)122 int board_init(void)
123 {
124 return 0;
125 }
126
ft_board_setup(void * fdt,struct bd_info * bd)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
extension_board_scan(struct list_head * extension_list)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
board_late_init(void)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
init_addr_map(void)173 int init_addr_map(void)
174 {
175 if (IS_ENABLED(CONFIG_ADDR_MAP))
176 addrmap_set_entry(0, 0, CFG_SYS_SDRAM_SIZE, 0);
177
178 return 0;
179 }
180
181 #if defined(CONFIG_FWU_MULTI_BANK_UPDATE)
fwu_plat_get_bootidx(uint * boot_idx)182 void fwu_plat_get_bootidx(uint *boot_idx)
183 {
184 /* Dummy value */
185 *boot_idx = 0;
186 }
187 #endif
188