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cmd: acpi: check HW reduced flag in acpi list

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On non x86 platforms the hardware reduce flag must be set in the FADT
table. Write an error message if the flag is missing.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Rebased on -next to use nomap, add hyphens:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2023-12-16 09:11:59 +01:00 committed by Simon Glass
parent c5924b1cd3
commit c95ade8dcd
1 changed files with 4 additions and 0 deletions
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4
cmd/acpi.c
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@ -6,6 +6,7 @@
#include <common.h>
#include <command.h>
#include <display_options.h>
#include <log.h>
#include <mapmem.h>
#include <acpi/acpi_table.h>
#include <asm/acpi_table.h>
@ -57,6 +58,9 @@ static void list_fadt(struct acpi_fadt *fadt)
dump_hdr(nomap_sysmem(fadt->x_dsdt, 0));
else if (fadt->dsdt)
dump_hdr(nomap_sysmem(fadt->dsdt, 0));
if (!IS_ENABLED(CONFIG_X86) &&
!(fadt->flags & ACPI_FADT_HW_REDUCED_ACPI))
log_err("FADT not ACPI-hardware-reduced-compliant\n");
if (fadt->header.revision >= 3 && fadt->x_firmware_ctrl)
dump_hdr(nomap_sysmem(fadt->x_firmware_ctrl, 0));
else if (fadt->firmware_ctrl)