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 #ifdef CONFIG_GENERATE_SMBIOS_TABLE 16 static u32 write_smbios_table_wrapper(u32 addr) 17 { 18 return write_smbios_table(addr); 19 } 20 #endif 21 22 /** 23 * Function prototype to write a specific configuration table 24 * 25 * @addr: start address to write the table 26 * @return: end address of the table 27 */ 28 typedef u32 (*table_write)(u32 addr); 29 30 static table_write table_write_funcs[] = { 31 #ifdef CONFIG_GENERATE_PIRQ_TABLE 32 write_pirq_routing_table, 33 #endif 34 #ifdef CONFIG_GENERATE_SFI_TABLE 35 write_sfi_table, 36 #endif 37 #ifdef CONFIG_GENERATE_MP_TABLE 38 write_mp_table, 39 #endif 40 #ifdef CONFIG_GENERATE_ACPI_TABLE 41 write_acpi_tables, 42 #endif 43 #ifdef CONFIG_GENERATE_SMBIOS_TABLE 44 write_smbios_table_wrapper, 45 #endif 46 }; 47 48 void table_fill_string(char *dest, const char *src, size_t n, char pad) 49 { 50 int start, len; 51 int i; 52 53 strncpy(dest, src, n); 54 55 /* Fill the remaining bytes with pad */ 56 len = strlen(src); 57 start = len < n ? len : n; 58 for (i = start; i < n; i++) 59 dest[i] = pad; 60 } 61 62 void write_tables(void) 63 { 64 u32 rom_table_start = ROM_TABLE_ADDR; 65 u32 rom_table_end; 66 #ifdef CONFIG_SEABIOS 67 u32 high_table, table_size; 68 struct memory_area cfg_tables[ARRAY_SIZE(table_write_funcs) + 1]; 69 #endif 70 int i; 71 72 for (i = 0; i < ARRAY_SIZE(table_write_funcs); i++) { 73 rom_table_end = table_write_funcs[i](rom_table_start); 74 rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN); 75 76 #ifdef CONFIG_SEABIOS 77 table_size = rom_table_end - rom_table_start; 78 high_table = (u32)high_table_malloc(table_size); 79 if (high_table) { 80 table_write_funcs[i](high_table); 81 82 cfg_tables[i].start = high_table; 83 cfg_tables[i].size = table_size; 84 } else { 85 printf("%d: no memory for configuration tables\n", i); 86 } 87 #endif 88 89 rom_table_start = rom_table_end; 90 } 91 92 #ifdef CONFIG_SEABIOS 93 /* make sure the last item is zero */ 94 cfg_tables[i].size = 0; 95 write_coreboot_table(CB_TABLE_ADDR, cfg_tables); 96 #endif 97 } 98