15e2400e8SBin Meng /* 25e2400e8SBin Meng * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> 35e2400e8SBin Meng * 45e2400e8SBin Meng * SPDX-License-Identifier: GPL-2.0+ 55e2400e8SBin Meng */ 65e2400e8SBin Meng 75e2400e8SBin Meng #include <common.h> 86388e357SSimon Glass #include <asm/sfi.h> 907545d86SBin Meng #include <asm/mpspec.h> 10721e992aSBin Meng #include <asm/smbios.h> 115e2400e8SBin Meng #include <asm/tables.h> 12867bcb63SSaket Sinha #include <asm/acpi_table.h> 133cf23719SBin Meng #include <asm/coreboot_tables.h> 145e2400e8SBin Meng 15ef4d0a52SBin Meng /** 16ef4d0a52SBin Meng * Function prototype to write a specific configuration table 17ef4d0a52SBin Meng * 18ef4d0a52SBin Meng * @addr: start address to write the table 19ef4d0a52SBin Meng * @return: end address of the table 20ef4d0a52SBin Meng */ 21ef4d0a52SBin Meng typedef u32 (*table_write)(u32 addr); 22ef4d0a52SBin Meng 23ef4d0a52SBin Meng static table_write table_write_funcs[] = { 24ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_PIRQ_TABLE 25ef4d0a52SBin Meng write_pirq_routing_table, 26ef4d0a52SBin Meng #endif 27ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_SFI_TABLE 28ef4d0a52SBin Meng write_sfi_table, 29ef4d0a52SBin Meng #endif 30ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_MP_TABLE 31ef4d0a52SBin Meng write_mp_table, 32ef4d0a52SBin Meng #endif 33ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_ACPI_TABLE 34ef4d0a52SBin Meng write_acpi_tables, 35ef4d0a52SBin Meng #endif 36ef4d0a52SBin Meng #ifdef CONFIG_GENERATE_SMBIOS_TABLE 37ef4d0a52SBin Meng write_smbios_table, 38ef4d0a52SBin Meng #endif 39ef4d0a52SBin Meng }; 40ef4d0a52SBin Meng 415e2400e8SBin Meng u8 table_compute_checksum(void *v, int len) 425e2400e8SBin Meng { 435e2400e8SBin Meng u8 *bytes = v; 445e2400e8SBin Meng u8 checksum = 0; 455e2400e8SBin Meng int i; 465e2400e8SBin Meng 475e2400e8SBin Meng for (i = 0; i < len; i++) 485e2400e8SBin Meng checksum -= bytes[i]; 495e2400e8SBin Meng 505e2400e8SBin Meng return checksum; 515e2400e8SBin Meng } 525e2400e8SBin Meng 537f5df8d4SBin Meng void table_fill_string(char *dest, const char *src, size_t n, char pad) 547f5df8d4SBin Meng { 557f5df8d4SBin Meng int start, len; 567f5df8d4SBin Meng int i; 577f5df8d4SBin Meng 587f5df8d4SBin Meng strncpy(dest, src, n); 597f5df8d4SBin Meng 607f5df8d4SBin Meng /* Fill the remaining bytes with pad */ 617f5df8d4SBin Meng len = strlen(src); 627f5df8d4SBin Meng start = len < n ? len : n; 637f5df8d4SBin Meng for (i = start; i < n; i++) 647f5df8d4SBin Meng dest[i] = pad; 657f5df8d4SBin Meng } 667f5df8d4SBin Meng 675e2400e8SBin Meng void write_tables(void) 685e2400e8SBin Meng { 69ef4d0a52SBin Meng u32 rom_table_start = ROM_TABLE_ADDR; 70ef4d0a52SBin Meng u32 rom_table_end; 713cf23719SBin Meng #ifdef CONFIG_SEABIOS 72ff94c219SBin Meng u32 high_table, table_size; 733cf23719SBin Meng struct memory_area cfg_tables[ARRAY_SIZE(table_write_funcs) + 1]; 743cf23719SBin Meng #endif 75ef4d0a52SBin Meng int i; 765e2400e8SBin Meng 77ef4d0a52SBin Meng for (i = 0; i < ARRAY_SIZE(table_write_funcs); i++) { 78ef4d0a52SBin Meng rom_table_end = table_write_funcs[i](rom_table_start); 79897e1dc8SBin Meng rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN); 80ff94c219SBin Meng 813cf23719SBin Meng #ifdef CONFIG_SEABIOS 82ff94c219SBin Meng table_size = rom_table_end - rom_table_start; 83*644a7674SBin Meng high_table = (u32)high_table_malloc(table_size); 84ff94c219SBin Meng if (high_table) { 85ff94c219SBin Meng table_write_funcs[i](high_table); 863cf23719SBin Meng 873cf23719SBin Meng cfg_tables[i].start = high_table; 883cf23719SBin Meng cfg_tables[i].size = table_size; 89ff94c219SBin Meng } else { 90ff94c219SBin Meng printf("%d: no memory for configuration tables\n", i); 91ff94c219SBin Meng } 923cf23719SBin Meng #endif 93ff94c219SBin Meng 94a5221b52SBin Meng rom_table_start = rom_table_end; 95ef4d0a52SBin Meng } 963cf23719SBin Meng 973cf23719SBin Meng #ifdef CONFIG_SEABIOS 983cf23719SBin Meng /* make sure the last item is zero */ 993cf23719SBin Meng cfg_tables[i].size = 0; 1003cf23719SBin Meng write_coreboot_table(CB_TABLE_ADDR, cfg_tables); 1013cf23719SBin Meng #endif 1025e2400e8SBin Meng } 103