diff options
| author | Alexander Graf <agraf@suse.de> | 2016-08-19 01:23:29 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2016-10-19 09:01:52 +0200 |
| commit | e663b350f1699312281ddd1439dda6b5fc86598d (patch) | |
| tree | ed2c0109e34f1dcc66861c8e8d06abb94c27c4aa /lib | |
| parent | 96476206c54ee9c94e5994d96f52ec9d2063967a (diff) | |
smbios: Expose in efi_loader as table
We can pass SMBIOS easily as EFI configuration table to an EFI payload. This
patch adds enablement for that case.
While at it, we also enable SMBIOS generation for ARM systems, since they support
EFI_LOADER.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 4 | ||||
| -rw-r--r-- | lib/efi_loader/Makefile | 1 | ||||
| -rw-r--r-- | lib/efi_loader/efi_smbios.c | 32 | ||||
| -rw-r--r-- | lib/smbios.c | 6 |
4 files changed, 41 insertions, 2 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 4c098c064e..b16062fbe3 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -164,12 +164,12 @@ config FDT_FIXUP_PARTITIONS variable. menu "System tables" - depends on !EFI && !SYS_COREBOOT + depends on (!EFI && !SYS_COREBOOT) || (ARM && EFI_LOADER) config GENERATE_SMBIOS_TABLE bool "Generate an SMBIOS (System Management BIOS) table" default y - depends on X86 + depends on X86 || EFI_LOADER help The System Management BIOS (SMBIOS) specification addresses how motherboard and system vendors present management information about diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile index 2a3849e31b..12159dd5ce 100644 --- a/lib/efi_loader/Makefile +++ b/lib/efi_loader/Makefile @@ -12,3 +12,4 @@ obj-y += efi_memory.o obj-$(CONFIG_LCD) += efi_gop.o obj-$(CONFIG_PARTITIONS) += efi_disk.o obj-$(CONFIG_NET) += efi_net.o +obj-$(CONFIG_GENERATE_SMBIOS_TABLE) += efi_smbios.o diff --git a/lib/efi_loader/efi_smbios.c b/lib/efi_loader/efi_smbios.c new file mode 100644 index 0000000000..ac412e7362 --- /dev/null +++ b/lib/efi_loader/efi_smbios.c @@ -0,0 +1,32 @@ +/* + * EFI application tables support + * + * Copyright (c) 2016 Alexander Graf + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <efi_loader.h> +#include <inttypes.h> +#include <smbios.h> + +static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID; + +void efi_smbios_register(void) +{ + /* Map within the low 32 bits, to allow for 32bit SMBIOS tables */ + uint64_t dmi = 0xffffffff; + /* Reserve 4kb for SMBIOS */ + uint64_t pages = 1; + int memtype = EFI_RUNTIME_SERVICES_DATA; + + if (efi_allocate_pages(1, memtype, pages, &dmi) != EFI_SUCCESS) + return; + + /* Generate SMBIOS tables */ + write_smbios_table(dmi); + + /* And expose them to our EFI payload */ + efi_install_configuration_table(&smbios_guid, (void*)(uintptr_t)dmi); +} diff --git a/lib/smbios.c b/lib/smbios.c index 09a90cae83..237f5f05fd 100644 --- a/lib/smbios.c +++ b/lib/smbios.c @@ -83,14 +83,20 @@ static int smbios_write_type0(uintptr_t *current, int handle) t->vendor = smbios_add_string(t->eos, "U-Boot"); t->bios_ver = smbios_add_string(t->eos, PLAIN_VERSION); t->bios_release_date = smbios_add_string(t->eos, U_BOOT_DMI_DATE); +#ifdef CONFIG_ROM_SIZE t->bios_rom_size = (CONFIG_ROM_SIZE / 65536) - 1; +#endif t->bios_characteristics = BIOS_CHARACTERISTICS_PCI_SUPPORTED | BIOS_CHARACTERISTICS_SELECTABLE_BOOT | BIOS_CHARACTERISTICS_UPGRADEABLE; #ifdef CONFIG_GENERATE_ACPI_TABLE t->bios_characteristics_ext1 = BIOS_CHARACTERISTICS_EXT1_ACPI; #endif +#ifdef CONFIG_EFI_LOADER + t->bios_characteristics_ext1 |= BIOS_CHARACTERISTICS_EXT1_UEFI; +#endif t->bios_characteristics_ext2 = BIOS_CHARACTERISTICS_EXT2_TARGET; + t->bios_major_release = 0xff; t->bios_minor_release = 0xff; t->ec_major_release = 0xff; |