diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2023-06-22 21:41:51 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-09-18 13:26:37 +0000 |
| commit | f3aa88a51cefc12da3304cd827bbfd6e7fcbfe76 (patch) | |
| tree | 2d098e82e5f283987ed11ee13fa20fd880f919ec /src/arch/arm64 | |
| parent | fbb612f6d25bdd03a691396eb5a3f73d5d4c56b3 (diff) | |
arch/arm64: Hook up ACPI table generation
Linux v6.3.5 is able to detect and use ACPI tables on an out of tree
target using hacked version of u-boot to pass ACPI through UEFI.
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Change-Id: I4f60c546ec262ffb4d447fe6476844cf5a1b756d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76071
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Diffstat (limited to 'src/arch/arm64')
| -rw-r--r-- | src/arch/arm64/tables.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/arch/arm64/tables.c b/src/arch/arm64/tables.c index b97297c1b9..c66612b7f2 100644 --- a/src/arch/arm64/tables.c +++ b/src/arch/arm64/tables.c @@ -1,12 +1,27 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <bootmem.h> -#include <boot/tables.h> +#include <acpi/acpi.h> +#include <assert.h> #include <boot/coreboot_tables.h> +#include <boot/tables.h> +#include <bootmem.h> +#include <cbmem.h> #include <symbols.h> +static void write_acpi_table(void) +{ + const size_t max_acpi_size = CONFIG_MAX_ACPI_TABLE_SIZE_KB * KiB; + const uintptr_t acpi_start = (uintptr_t)cbmem_add(CBMEM_ID_ACPI, max_acpi_size); + assert(IS_ALIGNED(acpi_start, 16)); + const uintptr_t acpi_end = write_acpi_tables(acpi_start); + assert(acpi_end < acpi_start + max_acpi_size); + printk(BIOS_DEBUG, "ACPI tables: %ld bytes.\n", acpi_end - acpi_start); +} + void arch_write_tables(uintptr_t coreboot_table) { + if (CONFIG(HAVE_ACPI_TABLES)) + write_acpi_table(); } void bootmem_arch_add_ranges(void) |