1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kobject.h> 3 #include <boot_param.h> 4 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 "Release Date\t\t: %s\n", 25 strsep(&tmp_board_manufacturer, "-"), 26 eboard->name, 27 strsep(&tmp_bios_vendor, "-"), 28 einter->description, 29 especial->special_name); 30 } 31 static struct kobj_attribute boardinfo_attr = __ATTR(boardinfo, 0444, 32 boardinfo_show, NULL); 33 34 static int __init boardinfo_init(void) 35 { 36 struct kobject *lefi_kobj; 37 38 lefi_kobj = kobject_create_and_add("lefi", firmware_kobj); 39 if (!lefi_kobj) { 40 pr_err("lefi: Firmware registration failed.\n"); 41 return -ENOMEM; 42 } 43 44 return sysfs_create_file(lefi_kobj, &boardinfo_attr.attr); 45 } 46 late_initcall(boardinfo_init); 47