1 // SPDX-License-Identifier: GPL-2.0+
2 
3 #include <common.h>
4 #include <dm.h>
5 #include <init.h>
6 #include <sysinfo.h>
7 #include <asm/global_data.h>
8 #include <linux/libfdt.h>
9 #include <linux/compiler.h>
10 
11 DECLARE_GLOBAL_DATA_PTR;
12 
checkboard(void)13 int __weak checkboard(void)
14 {
15 	return 0;
16 }
17 
18 /*
19  * Check sysinfo for board information. Failing that if the root node of the DTB
20  * has a "model" property, show it.
21  *
22  * Then call checkboard().
23  */
show_board_info(void)24 int __weak show_board_info(void)
25 {
26 	if (IS_ENABLED(CONFIG_OF_CONTROL)) {
27 		struct udevice *dev;
28 		const char *model;
29 		char str[80];
30 		int ret = -ENOSYS;
31 
32 		if (IS_ENABLED(CONFIG_SYSINFO)) {
33 			/* This might provide more detail */
34 			ret = sysinfo_get(&dev);
35 			if (!ret) {
36 				ret = sysinfo_detect(dev);
37 				if (!ret) {
38 					ret = sysinfo_get_str(dev,
39 						      SYSINFO_ID_BOARD_MODEL,
40 						      sizeof(str), str);
41 				}
42 			}
43 		}
44 
45 		/* Fail back to the main 'model' if available */
46 		if (ret)
47 			model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
48 		else
49 			model = str;
50 
51 		if (model)
52 			printf("Model: %s\n", model);
53 	}
54 
55 	return checkboard();
56 }
57