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Bin Mengf17cea62015-04-24 18:10:04 +08001/*
2 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
Simon Glass07e922a2015-04-28 20:25:10 -06008#include <asm/sfi.h>
Bin Mengc4f407e2015-06-23 12:18:52 +08009#include <asm/mpspec.h>
Bin Mengae5bedb2015-10-12 05:23:41 -070010#include <asm/smbios.h>
Bin Mengf17cea62015-04-24 18:10:04 +080011#include <asm/tables.h>
Saket Sinha331141a2015-08-22 12:20:55 +053012#include <asm/acpi_table.h>
Bin Meng96030fa2016-02-28 23:54:50 -080013#include <asm/coreboot_tables.h>
Bin Mengf17cea62015-04-24 18:10:04 +080014
Bin Mengef47ed12016-02-27 22:58:01 -080015/**
16 * Function prototype to write a specific configuration table
17 *
18 * @addr: start address to write the table
19 * @return: end address of the table
20 */
21typedef u32 (*table_write)(u32 addr);
22
23static table_write table_write_funcs[] = {
24#ifdef CONFIG_GENERATE_PIRQ_TABLE
25 write_pirq_routing_table,
26#endif
27#ifdef CONFIG_GENERATE_SFI_TABLE
28 write_sfi_table,
29#endif
30#ifdef CONFIG_GENERATE_MP_TABLE
31 write_mp_table,
32#endif
33#ifdef CONFIG_GENERATE_ACPI_TABLE
34 write_acpi_tables,
35#endif
36#ifdef CONFIG_GENERATE_SMBIOS_TABLE
37 write_smbios_table,
38#endif
39};
40
Bin Mengf17cea62015-04-24 18:10:04 +080041u8 table_compute_checksum(void *v, int len)
42{
43 u8 *bytes = v;
44 u8 checksum = 0;
45 int i;
46
47 for (i = 0; i < len; i++)
48 checksum -= bytes[i];
49
50 return checksum;
51}
52
Bin Mengf91cf6b2015-06-23 12:18:51 +080053void table_fill_string(char *dest, const char *src, size_t n, char pad)
54{
55 int start, len;
56 int i;
57
58 strncpy(dest, src, n);
59
60 /* Fill the remaining bytes with pad */
61 len = strlen(src);
62 start = len < n ? len : n;
63 for (i = start; i < n; i++)
64 dest[i] = pad;
65}
66
Bin Mengf17cea62015-04-24 18:10:04 +080067void write_tables(void)
68{
Bin Mengef47ed12016-02-27 22:58:01 -080069 u32 rom_table_start = ROM_TABLE_ADDR;
70 u32 rom_table_end;
Bin Meng96030fa2016-02-28 23:54:50 -080071#ifdef CONFIG_SEABIOS
Bin Mengca68d772016-02-27 22:58:02 -080072 u32 high_table, table_size;
Bin Meng96030fa2016-02-28 23:54:50 -080073 struct memory_area cfg_tables[ARRAY_SIZE(table_write_funcs) + 1];
74#endif
Bin Mengef47ed12016-02-27 22:58:01 -080075 int i;
Bin Mengf17cea62015-04-24 18:10:04 +080076
Bin Mengef47ed12016-02-27 22:58:01 -080077 for (i = 0; i < ARRAY_SIZE(table_write_funcs); i++) {
78 rom_table_end = table_write_funcs[i](rom_table_start);
79 rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN);
Bin Mengca68d772016-02-27 22:58:02 -080080
Bin Meng96030fa2016-02-28 23:54:50 -080081#ifdef CONFIG_SEABIOS
Bin Mengca68d772016-02-27 22:58:02 -080082 table_size = rom_table_end - rom_table_start;
Bin Mengf8281742016-05-11 07:45:02 -070083 high_table = (u32)high_table_malloc(table_size);
Bin Mengca68d772016-02-27 22:58:02 -080084 if (high_table) {
Bin Mengca68d772016-02-27 22:58:02 -080085 table_write_funcs[i](high_table);
Bin Meng96030fa2016-02-28 23:54:50 -080086
87 cfg_tables[i].start = high_table;
88 cfg_tables[i].size = table_size;
Bin Mengca68d772016-02-27 22:58:02 -080089 } else {
90 printf("%d: no memory for configuration tables\n", i);
91 }
Bin Meng96030fa2016-02-28 23:54:50 -080092#endif
Bin Mengca68d772016-02-27 22:58:02 -080093
Bin Mengef47ed12016-02-27 22:58:01 -080094 rom_table_start = rom_table_end;
95 }
Bin Meng96030fa2016-02-28 23:54:50 -080096
97#ifdef CONFIG_SEABIOS
98 /* make sure the last item is zero */
99 cfg_tables[i].size = 0;
100 write_coreboot_table(CB_TABLE_ADDR, cfg_tables);
101#endif
Bin Mengf17cea62015-04-24 18:10:04 +0800102}