xref: /rk3399_rockchip-uboot/arch/x86/lib/tables.c (revision 5e2400e8f873a1b7ee840554e4157c5f7900a863)
1*5e2400e8SBin Meng /*
2*5e2400e8SBin Meng  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
3*5e2400e8SBin Meng  *
4*5e2400e8SBin Meng  * SPDX-License-Identifier:	GPL-2.0+
5*5e2400e8SBin Meng  */
6*5e2400e8SBin Meng 
7*5e2400e8SBin Meng #include <common.h>
8*5e2400e8SBin Meng #include <asm/tables.h>
9*5e2400e8SBin Meng 
10*5e2400e8SBin Meng u8 table_compute_checksum(void *v, int len)
11*5e2400e8SBin Meng {
12*5e2400e8SBin Meng 	u8 *bytes = v;
13*5e2400e8SBin Meng 	u8 checksum = 0;
14*5e2400e8SBin Meng 	int i;
15*5e2400e8SBin Meng 
16*5e2400e8SBin Meng 	for (i = 0; i < len; i++)
17*5e2400e8SBin Meng 		checksum -= bytes[i];
18*5e2400e8SBin Meng 
19*5e2400e8SBin Meng 	return checksum;
20*5e2400e8SBin Meng }
21*5e2400e8SBin Meng 
22*5e2400e8SBin Meng void write_tables(void)
23*5e2400e8SBin Meng {
24*5e2400e8SBin Meng 	u32 __maybe_unused rom_table_end = ROM_TABLE_ADDR;
25*5e2400e8SBin Meng 
26*5e2400e8SBin Meng #if CONFIG_GENERATE_PIRQ_TABLE
27*5e2400e8SBin Meng 	rom_table_end = write_pirq_routing_table(rom_table_end);
28*5e2400e8SBin Meng 	rom_table_end = ALIGN(rom_table_end, 1024);
29*5e2400e8SBin Meng #endif
30*5e2400e8SBin Meng }
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