U-Boot sets up the SMBIOS tables during startup. Rather than creating a new set, install the existing ones. Rely on the ACPI table's memory-map record to cover the tables.
Tidy up the installation-condition code while we are here.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: - Add new patch
lib/efi_loader/efi_setup.c | 10 +++++----- lib/efi_loader/efi_smbios.c | 37 +++++++------------------------------ 2 files changed, 12 insertions(+), 35 deletions(-)
diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c index ad719afd6328..e6de685e8795 100644 --- a/lib/efi_loader/efi_setup.c +++ b/lib/efi_loader/efi_setup.c @@ -326,11 +326,11 @@ efi_status_t efi_init_obj_list(void) if (ret != EFI_SUCCESS) goto out; } -#ifdef CONFIG_GENERATE_SMBIOS_TABLE - ret = efi_smbios_register(); - if (ret != EFI_SUCCESS) - goto out; -#endif + if (IS_ENABLED(CONFIG_SMBIOS)) { + ret = efi_smbios_register(); + if (ret != EFI_SUCCESS) + goto out; + } ret = efi_watchdog_register(); if (ret != EFI_SUCCESS) goto out; diff --git a/lib/efi_loader/efi_smbios.c b/lib/efi_loader/efi_smbios.c index 306c0bc54f90..0e6454a8fe0b 100644 --- a/lib/efi_loader/efi_smbios.c +++ b/lib/efi_loader/efi_smbios.c @@ -20,36 +20,13 @@ */ efi_status_t efi_smbios_register(void) { - /* Map within the low 32 bits, to allow for 32bit SMBIOS tables */ - u64 dmi_addr = U32_MAX; - efi_status_t ret; - void *dmi; + ulong addr;
- /* Reserve 4kiB page for SMBIOS */ - ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, - EFI_RUNTIME_SERVICES_DATA, 1, &dmi_addr); + /* space for all tables is marked in efi_acpi_register() */ + addr = gd->arch.smbios_start; + printf("EFI using SMBIOS tables at %lx\n", addr);
- if (ret != EFI_SUCCESS) { - /* Could not find space in lowmem, use highmem instead */ - ret = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES, - EFI_RUNTIME_SERVICES_DATA, 1, - &dmi_addr); - - if (ret != EFI_SUCCESS) - return ret; - } - - /* - * Generate SMBIOS tables - we know that efi_allocate_pages() returns - * a 4k-aligned address, so it is safe to assume that - * write_smbios_table() will write the table at that address. - */ - assert(!(dmi_addr & 0xf)); - dmi = (void *)(uintptr_t)dmi_addr; - if (write_smbios_table(map_to_sysmem(dmi))) - /* Install SMBIOS information as configuration table */ - return efi_install_configuration_table(&smbios_guid, dmi); - efi_free_pages(dmi_addr, 1); - log_err("Cannot create SMBIOS table\n"); - return EFI_SUCCESS; + /* Install SMBIOS information as configuration table */ + return efi_install_configuration_table(&smbios_guid, + map_sysmem(addr, 0)); }