1 files changed, 54 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h
new file mode 100644
index 000000000000..7657e016233f
--- /dev/null
+++ b/arch/loongarch/include/asm/bootinfo.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_BOOTINFO_H
+#define _ASM_BOOTINFO_H
+
+#include <linux/types.h>
+#include <asm/setup.h>
+
+const char *get_system_type(void);
+
+extern void init_environ(void);
+extern void memblock_init(void);
+extern void platform_init(void);
+extern int __init init_numa_memory(void);
+
+struct loongson_board_info {
+	int bios_size;
+	const char *bios_vendor;
+	const char *bios_version;
+	const char *bios_release_date;
+	const char *board_name;
+	const char *board_vendor;
+};
+
+#define NR_WORDS DIV_ROUND_UP(NR_CPUS, BITS_PER_LONG)
+
+/*
+ * The "core" of cores_per_node and cores_per_package stands for a
+ * logical core, which means in a SMT system it stands for a thread.
+ */
+struct loongson_system_configuration {
+	int nr_cpus;
+	int nr_nodes;
+	int boot_cpu_id;
+	int cores_per_node;
+	int cores_per_package;
+	unsigned long cores_io_master[NR_WORDS];
+	unsigned long suspend_addr;
+	const char *cpuname;
+};
+
+extern u64 efi_system_table;
+extern unsigned long fw_arg0, fw_arg1, fw_arg2;
+extern struct loongson_board_info b_info;
+extern struct loongson_system_configuration loongson_sysconf;
+
+static inline bool io_master(int cpu)
+{
+	return test_bit(cpu, loongson_sysconf.cores_io_master);
+}
+
+#endif /* _ASM_BOOTINFO_H */