xref: /openbmc/u-boot/arch/x86/lib/tables.c (revision cc4c8aca)
15e2400e8SBin Meng /*
25e2400e8SBin Meng  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
35e2400e8SBin Meng  *
45e2400e8SBin Meng  * SPDX-License-Identifier:	GPL-2.0+
55e2400e8SBin Meng  */
65e2400e8SBin Meng 
75e2400e8SBin Meng #include <common.h>
85e2400e8SBin Meng #include <asm/tables.h>
95e2400e8SBin Meng 
105e2400e8SBin Meng u8 table_compute_checksum(void *v, int len)
115e2400e8SBin Meng {
125e2400e8SBin Meng 	u8 *bytes = v;
135e2400e8SBin Meng 	u8 checksum = 0;
145e2400e8SBin Meng 	int i;
155e2400e8SBin Meng 
165e2400e8SBin Meng 	for (i = 0; i < len; i++)
175e2400e8SBin Meng 		checksum -= bytes[i];
185e2400e8SBin Meng 
195e2400e8SBin Meng 	return checksum;
205e2400e8SBin Meng }
215e2400e8SBin Meng 
225e2400e8SBin Meng void write_tables(void)
235e2400e8SBin Meng {
245e2400e8SBin Meng 	u32 __maybe_unused rom_table_end = ROM_TABLE_ADDR;
255e2400e8SBin Meng 
26*cc4c8acaSBin Meng #ifdef CONFIG_GENERATE_PIRQ_TABLE
275e2400e8SBin Meng 	rom_table_end = write_pirq_routing_table(rom_table_end);
285e2400e8SBin Meng 	rom_table_end = ALIGN(rom_table_end, 1024);
295e2400e8SBin Meng #endif
305e2400e8SBin Meng }
31