1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kobject.h>
3 #include <boot_param.h>
4 
boardinfo_show(struct kobject * kobj,struct kobj_attribute * attr,char * buf)5 static ssize_t boardinfo_show(struct kobject *kobj,
6 			      struct kobj_attribute *attr, char *buf)
7 {
8 	char board_manufacturer[64] = {0};
9 	char *tmp_board_manufacturer = board_manufacturer;
10 	char bios_vendor[64] = {0};
11 	char *tmp_bios_vendor = bios_vendor;
12 
13 	strcpy(board_manufacturer, eboard->name);
14 	strcpy(bios_vendor, einter->description);
15 
16 	return sprintf(buf,
17 		       "Board Info\n"
18 		       "Manufacturer\t\t: %s\n"
19 		       "Board Name\t\t: %s\n"
20 		       "Family\t\t\t: LOONGSON3\n\n"
21 		       "BIOS Info\n"
22 		       "Vendor\t\t\t: %s\n"
23 		       "Version\t\t\t: %s\n"
24 		       "ROM Size\t\t: %d KB\n"
25 		       "Release Date\t\t: %s\n",
26 		       strsep(&tmp_board_manufacturer, "-"),
27 		       eboard->name,
28 		       strsep(&tmp_bios_vendor, "-"),
29 		       einter->description,
30 		       einter->size,
31 		       especial->special_name);
32 }
33 static struct kobj_attribute boardinfo_attr = __ATTR(boardinfo, 0444,
34 						     boardinfo_show, NULL);
35 
boardinfo_init(void)36 static int __init boardinfo_init(void)
37 {
38 	struct kobject *lefi_kobj;
39 
40 	lefi_kobj = kobject_create_and_add("lefi", firmware_kobj);
41 	if (!lefi_kobj) {
42 		pr_err("lefi: Firmware registration failed.\n");
43 		return -ENOMEM;
44 	}
45 
46 	return sysfs_create_file(lefi_kobj, &boardinfo_attr.attr);
47 }
48 late_initcall(boardinfo_init);
49