xref: /openbmc/u-boot/arch/x86/lib/tables.c (revision e8f80a5a)
1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
25e2400e8SBin Meng /*
35e2400e8SBin Meng  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
45e2400e8SBin Meng  */
55e2400e8SBin Meng 
65e2400e8SBin Meng #include <common.h>
74b6dddc2SAlexander Graf #include <smbios.h>
86388e357SSimon Glass #include <asm/sfi.h>
907545d86SBin Meng #include <asm/mpspec.h>
105e2400e8SBin Meng #include <asm/tables.h>
11867bcb63SSaket Sinha #include <asm/acpi_table.h>
123cf23719SBin Meng #include <asm/coreboot_tables.h>
135e2400e8SBin Meng 
14ef4d0a52SBin Meng /**
15ef4d0a52SBin Meng  * Function prototype to write a specific configuration table
16ef4d0a52SBin Meng  *
17ef4d0a52SBin Meng  * @addr:	start address to write the table
18ef4d0a52SBin Meng  * @return:	end address of the table
19ef4d0a52SBin Meng  */
2042fd8c19SSimon Glass typedef ulong (*table_write)(ulong addr);
21ef4d0a52SBin Meng 
22ef4d0a52SBin Meng static table_write table_write_funcs[] = {
23ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_PIRQ_TABLE
24ef4d0a52SBin Meng 	write_pirq_routing_table,
25ef4d0a52SBin Meng #endif
26ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_SFI_TABLE
27ef4d0a52SBin Meng 	write_sfi_table,
28ef4d0a52SBin Meng #endif
29ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_MP_TABLE
30ef4d0a52SBin Meng 	write_mp_table,
31ef4d0a52SBin Meng #endif
32ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_ACPI_TABLE
33ef4d0a52SBin Meng 	write_acpi_tables,
34ef4d0a52SBin Meng #endif
35ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_SMBIOS_TABLE
3642fd8c19SSimon Glass 	write_smbios_table,
37ef4d0a52SBin Meng #endif
38ef4d0a52SBin Meng };
39ef4d0a52SBin Meng 
table_fill_string(char * dest,const char * src,size_t n,char pad)407f5df8d4SBin Meng void table_fill_string(char *dest, const char *src, size_t n, char pad)
417f5df8d4SBin Meng {
427f5df8d4SBin Meng 	int start, len;
437f5df8d4SBin Meng 	int i;
447f5df8d4SBin Meng 
457f5df8d4SBin Meng 	strncpy(dest, src, n);
467f5df8d4SBin Meng 
477f5df8d4SBin Meng 	/* Fill the remaining bytes with pad */
487f5df8d4SBin Meng 	len = strlen(src);
497f5df8d4SBin Meng 	start = len < n ? len : n;
507f5df8d4SBin Meng 	for (i = start; i < n; i++)
517f5df8d4SBin Meng 		dest[i] = pad;
527f5df8d4SBin Meng }
537f5df8d4SBin Meng 
write_tables(void)545e2400e8SBin Meng void write_tables(void)
555e2400e8SBin Meng {
56ef4d0a52SBin Meng 	u32 rom_table_start = ROM_TABLE_ADDR;
57ef4d0a52SBin Meng 	u32 rom_table_end;
583cf23719SBin Meng #ifdef CONFIG_SEABIOS
59ff94c219SBin Meng 	u32 high_table, table_size;
603cf23719SBin Meng 	struct memory_area cfg_tables[ARRAY_SIZE(table_write_funcs) + 1];
613cf23719SBin Meng #endif
62ef4d0a52SBin Meng 	int i;
635e2400e8SBin Meng 
64ef4d0a52SBin Meng 	for (i = 0; i < ARRAY_SIZE(table_write_funcs); i++) {
65ef4d0a52SBin Meng 		rom_table_end = table_write_funcs[i](rom_table_start);
66897e1dc8SBin Meng 		rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN);
67ff94c219SBin Meng 
683cf23719SBin Meng #ifdef CONFIG_SEABIOS
69ff94c219SBin Meng 		table_size = rom_table_end - rom_table_start;
70644a7674SBin Meng 		high_table = (u32)high_table_malloc(table_size);
71ff94c219SBin Meng 		if (high_table) {
72ff94c219SBin Meng 			table_write_funcs[i](high_table);
733cf23719SBin Meng 
743cf23719SBin Meng 			cfg_tables[i].start = high_table;
753cf23719SBin Meng 			cfg_tables[i].size = table_size;
76ff94c219SBin Meng 		} else {
77ff94c219SBin Meng 			printf("%d: no memory for configuration tables\n", i);
78ff94c219SBin Meng 		}
793cf23719SBin Meng #endif
80ff94c219SBin Meng 
81a5221b52SBin Meng 		rom_table_start = rom_table_end;
82ef4d0a52SBin Meng 	}
833cf23719SBin Meng 
843cf23719SBin Meng #ifdef CONFIG_SEABIOS
853cf23719SBin Meng 	/* make sure the last item is zero */
863cf23719SBin Meng 	cfg_tables[i].size = 0;
873cf23719SBin Meng 	write_coreboot_table(CB_TABLE_ADDR, cfg_tables);
883cf23719SBin Meng #endif
895e2400e8SBin Meng }
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