diff options
| -rw-r--r-- | arch/x86/lib/tables.c | 49 | ||||
| -rw-r--r-- | include/acpi/acpi_table.h | 10 | ||||
| -rw-r--r-- | include/bloblist.h | 2 | ||||
| -rw-r--r-- | lib/Kconfig | 9 | ||||
| -rw-r--r-- | lib/acpi/acpi_table.c | 4 |
5 files changed, 69 insertions, 5 deletions
diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c index f7b71c5cd1..c4007fa486 100644 --- a/arch/x86/lib/tables.c +++ b/arch/x86/lib/tables.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <bloblist.h> #include <log.h> #include <malloc.h> #include <smbios.h> @@ -13,6 +14,8 @@ #include <asm/tables.h> #include <asm/coreboot_tables.h> +DECLARE_GLOBAL_DATA_PTR; + /** * Function prototype to write a specific configuration table * @@ -26,10 +29,16 @@ typedef ulong (*table_write)(ulong addr); * * @name: Name of table (for debugging) * @write: Function to call to write this table + * @tag: Bloblist tag if using CONFIG_BLOBLIST_TABLES + * @size: Maximum table size + * @align: Table alignment in bytes */ struct table_info { const char *name; table_write write; + enum bloblist_tag_t tag; + int size; + int align; }; static struct table_info table_list[] = { @@ -43,10 +52,10 @@ static struct table_info table_list[] = { { "mp", write_mp_table, }, #endif #ifdef CONFIG_GENERATE_ACPI_TABLE - { "acpi", write_acpi_tables, }, + { "acpi", write_acpi_tables, BLOBLISTT_ACPI_TABLES, 0x10000, 0x1000}, #endif #ifdef CONFIG_GENERATE_SMBIOS_TABLE - { "smbios", write_smbios_table, }, + { "smbios", write_smbios_table, BLOBLISTT_SMBIOS_TABLES, 0x1000, 0x100}, #endif }; @@ -66,16 +75,25 @@ void table_fill_string(char *dest, const char *src, size_t n, char pad) int write_tables(void) { - u32 rom_table_start = ROM_TABLE_ADDR; + u32 rom_table_start; u32 rom_table_end; u32 high_table, table_size; struct memory_area cfg_tables[ARRAY_SIZE(table_list) + 1]; int i; + rom_table_start = ROM_TABLE_ADDR; + 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]; + int size = table->size ? : CONFIG_ROM_TABLE_SIZE; + if (IS_ENABLED(CONFIG_BLOBLIST_TABLES) && table->tag) { + rom_table_start = (ulong)bloblist_add(table->tag, size, + table->align); + if (!rom_table_start) + return log_msg_ret("bloblist", -ENOBUFS); + } rom_table_end = table->write(rom_table_start); rom_table_end = ALIGN(rom_table_end, ROM_TABLE_ALIGN); @@ -96,6 +114,11 @@ int write_tables(void) debug("- wrote '%s' to %x, end %x\n", table->name, rom_table_start, rom_table_end); + if (rom_table_end - rom_table_start > size) { + log_err("Out of space for configuration tables: need %x, have %x\n", + rom_table_end - rom_table_start, size); + return log_msg_ret("bloblist", -ENOSPC); + } rom_table_start = rom_table_end; } @@ -105,6 +128,26 @@ int write_tables(void) write_coreboot_table(CB_TABLE_ADDR, cfg_tables); } + if (IS_ENABLED(CONFIG_BLOBLIST_TABLES)) { + void *ptr = (void *)CONFIG_ROM_TABLE_ADDR; + + /* Write an RSDP pointing to the tables */ + if (IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE)) { + struct acpi_ctx *ctx = gd_acpi_ctx(); + + acpi_write_rsdp(ptr, ctx->rsdt, ctx->xsdt); + ptr += ALIGN(sizeof(struct acpi_rsdp), 16); + } + if (IS_ENABLED(CONFIG_GENERATE_SMBIOS_TABLE)) { + void *smbios; + + smbios = bloblist_find(BLOBLISTT_SMBIOS_TABLES, 0); + if (!smbios) + return log_msg_ret("smbios", -ENOENT); + memcpy(ptr, smbios, sizeof(struct smbios_entry)); + } + } + debug("- done writing tables\n"); return 0; diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h index abbca6530d..a28eb71f4d 100644 --- a/include/acpi/acpi_table.h +++ b/include/acpi/acpi_table.h @@ -688,6 +688,16 @@ int acpi_add_table(struct acpi_ctx *ctx, void *table); */ void acpi_setup_base_tables(struct acpi_ctx *ctx, void *start); +/** + * acpi_write_rsdp() - Write out an RSDP indicating where the ACPI tables are + * + * @rsdp: Address to write RSDP + * @rsdt: Address of RSDT + * @xsdt: Address of XSDT + */ +void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt, + struct acpi_xsdt *xsdt); + #endif /* !__ACPI__*/ #include <asm/acpi_table.h> diff --git a/include/bloblist.h b/include/bloblist.h index 2b4b669689..8cdce61187 100644 --- a/include/bloblist.h +++ b/include/bloblist.h @@ -36,6 +36,8 @@ enum bloblist_tag_t { BLOBLISTT_INTEL_VBT, /* Intel Video-BIOS table */ BLOBLISTT_TPM2_TCG_LOG, /* TPM v2 log space */ BLOBLISTT_TCPA_LOG, /* TPM log space */ + BLOBLISTT_ACPI_TABLES, /* ACPI tables for x86 */ + BLOBLISTT_SMBIOS_TABLES, /* SMBIOS tables for x86 */ BLOBLISTT_COUNT }; diff --git a/lib/Kconfig b/lib/Kconfig index 5f1b95d7d7..8f487533e8 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -637,6 +637,15 @@ config FDT_FIXUP_PARTITIONS menu "System tables" depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) +config BLOBLIST_TABLES + bool "Put tables in a bloblist" + depends on X86 + help + Normally tables are placed at address 0xf0000 and can be up to 64KB + long. With this option, tables are instead placed in the bloblist + with a pointer from 0xf0000. The size can then be larger and the + tables can be placed high in memory. + config GENERATE_SMBIOS_TABLE bool "Generate an SMBIOS (System Management BIOS) table" default y diff --git a/lib/acpi/acpi_table.c b/lib/acpi/acpi_table.c index 908d890389..a0f0961be5 100644 --- a/lib/acpi/acpi_table.c +++ b/lib/acpi/acpi_table.c @@ -183,8 +183,8 @@ int acpi_add_table(struct acpi_ctx *ctx, void *table) return 0; } -static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt, - struct acpi_xsdt *xsdt) +void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt, + struct acpi_xsdt *xsdt) { memset(rsdp, 0, sizeof(struct acpi_rsdp)); |