From 5e2400e8f873a1b7ee840554e4157c5f7900a863 Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Fri, 24 Apr 2015 18:10:04 +0800 Subject: x86: Write configuration tables in last_stage_init() We can write the configuration table in last_stage_init() for all x86 boards, but not with coreboot since coreboot already has them. Signed-off-by: Bin Meng Acked-by: Simon Glass --- arch/x86/lib/tables.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 arch/x86/lib/tables.c (limited to 'arch/x86/lib/tables.c') diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c new file mode 100644 index 0000000000..b390a4b381 --- /dev/null +++ b/arch/x86/lib/tables.c @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2015, Bin Meng + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include + +u8 table_compute_checksum(void *v, int len) +{ + u8 *bytes = v; + u8 checksum = 0; + int i; + + for (i = 0; i < len; i++) + checksum -= bytes[i]; + + return checksum; +} + +void write_tables(void) +{ + u32 __maybe_unused rom_table_end = ROM_TABLE_ADDR; + +#if CONFIG_GENERATE_PIRQ_TABLE + rom_table_end = write_pirq_routing_table(rom_table_end); + rom_table_end = ALIGN(rom_table_end, 1024); +#endif +} -- cgit v1.2.3