1 /* 2 * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <smbios.h> 9 #include <asm/sfi.h> 10 #include <asm/mpspec.h> 11 #include <asm/tables.h> 12 #include <asm/acpi_table.h> 13 #include <asm/coreboot_tables.h> 14 15 static u32 write_smbios_table_wrapper(u32 addr) 16 { 17 return write_smbios_table(addr); 18 } 19 20 /** 21 * Function prototype to write a specific configuration table 22 * 23 * @addr: start address to write the table 24 * @return: end address of the table 25 */ 26 typedef u32 (*table_write)(u32 addr); 27 28 static table_write table_write_funcs[] = { 29 #ifdef CONFIG_GENERATE_PIRQ_TABLE 30 write_pirq_routing_table, 31 #endif 32 #ifdef CONFIG_GENERATE_SFI_TABLE 33 write_sfi_table, 34 #endif 35 #ifdef CONFIG_GENERATE_MP_TABLE 36 write_mp_table, 37 #endif 38 #ifdef CONFIG_GENERATE_ACPI_TABLE 39 write_acpi_tables, 40 #endif 41 #ifdef CONFIG_GENERATE_SMBIOS_TABLE 42 write_smbios_table_wrapper, 43 #endif 44 }; 45 46 void table_fill_string(char *dest, const char *src, size_t n, char pad) 47 { 48 int start, len; 49 int i; 50 51 strncpy(dest, src, n); 52 53 /* Fill the remaining bytes with pad */ 54 len = strlen(src); 55 start = len < n ? len : n; 56 for (i = start; i < n; i++) 57 dest[i] = pad; 58 } 59 60 void write_tables(void) 61 { 62 u32 rom_table_start = ROM_TABLE_ADDR; 63 u32 rom_table_end; 64 #ifdef CONFIG_SEABIOS 65 u32 high_table, table_size; 66 struct memory_area cfg_tables[ARRAY_SIZE(table_write_funcs) + 1]; 67 #endif 68 int i; 69 70 for (i = 0; i < ARRAY_SIZE(table_write_funcs); i++) { 71 rom_table_end = table_write_funcs[i](rom_table_start); 72 rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN); 73 74 #ifdef CONFIG_SEABIOS 75 table_size = rom_table_end - rom_table_start; 76 high_table = (u32)high_table_malloc(table_size); 77 if (high_table) { 78 table_write_funcs[i](high_table); 79 80 cfg_tables[i].start = high_table; 81 cfg_tables[i].size = table_size; 82 } else { 83 printf("%d: no memory for configuration tables\n", i); 84 } 85 #endif 86 87 rom_table_start = rom_table_end; 88 } 89 90 #ifdef CONFIG_SEABIOS 91 /* make sure the last item is zero */ 92 cfg_tables[i].size = 0; 93 write_coreboot_table(CB_TABLE_ADDR, cfg_tables); 94 #endif 95 } 96