| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> |
| */ |
| |
| #include <common.h> |
| #include <log.h> |
| #include <malloc.h> |
| #include <smbios.h> |
| #include <acpi/acpi_table.h> |
| #include <asm/sfi.h> |
| #include <asm/mpspec.h> |
| #include <asm/tables.h> |
| #include <asm/coreboot_tables.h> |
| |
| /** |
| * Function prototype to write a specific configuration table |
| * |
| * @addr: start address to write the table |
| * @return: end address of the table |
| */ |
| typedef ulong (*table_write)(ulong addr); |
| |
| /** |
| * struct table_info - Information about each table to write |
| * |
| * @name: Name of table (for debugging) |
| * @write: Function to call to write this table |
| */ |
| struct table_info { |
| const char *name; |
| table_write write; |
| }; |
| |
| static struct table_info table_list[] = { |
| #ifdef CONFIG_GENERATE_PIRQ_TABLE |
| { "pirq", write_pirq_routing_table }, |
| #endif |
| #ifdef CONFIG_GENERATE_SFI_TABLE |
| { "sfi", write_sfi_table, }, |
| #endif |
| #ifdef CONFIG_GENERATE_MP_TABLE |
| { "mp", write_mp_table, }, |
| #endif |
| #ifdef CONFIG_GENERATE_ACPI_TABLE |
| { "acpi", write_acpi_tables, }, |
| #endif |
| #ifdef CONFIG_GENERATE_SMBIOS_TABLE |
| { "smbios", write_smbios_table, }, |
| #endif |
| }; |
| |
| void table_fill_string(char *dest, const char *src, size_t n, char pad) |
| { |
| int start, len; |
| int i; |
| |
| strncpy(dest, src, n); |
| |
| /* Fill the remaining bytes with pad */ |
| len = strlen(src); |
| start = len < n ? len : n; |
| for (i = start; i < n; i++) |
| dest[i] = pad; |
| } |
| |
| void write_tables(void) |
| { |
| u32 rom_table_start = ROM_TABLE_ADDR; |
| u32 rom_table_end; |
| #ifdef CONFIG_SEABIOS |
| u32 high_table, table_size; |
| struct memory_area cfg_tables[ARRAY_SIZE(table_list) + 1]; |
| #endif |
| int i; |
| |
| debug("Writing tables to %x:\n", rom_table_start); |
| for (i = 0; i < ARRAY_SIZE(table_list); i++) { |
| const struct table_info *table = &table_list[i]; |
| |
| rom_table_end = table->write(rom_table_start); |
| rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN); |
| |
| #ifdef CONFIG_SEABIOS |
| table_size = rom_table_end - rom_table_start; |
| high_table = (u32)high_table_malloc(table_size); |
| if (high_table) { |
| table->write(high_table); |
| |
| cfg_tables[i].start = high_table; |
| cfg_tables[i].size = table_size; |
| } else { |
| printf("%d: no memory for configuration tables\n", i); |
| } |
| #endif |
| |
| debug("- wrote '%s' to %x, end %x\n", table->name, |
| rom_table_start, rom_table_end); |
| rom_table_start = rom_table_end; |
| } |
| |
| #ifdef CONFIG_SEABIOS |
| /* make sure the last item is zero */ |
| cfg_tables[i].size = 0; |
| write_coreboot_table(CB_TABLE_ADDR, cfg_tables); |
| #endif |
| debug("- done writing tables\n"); |
| } |