Djam/u-boot
1
0
Fork 0
mirror of https://github.com/u-boot/u-boot.git synced 2025-04-15 17:34:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

acpi: support 64bit in acpi_find_table for DSDT and FACS

Browse source 
Use X_DSDT and X_FIRMWARE_CTRL if available.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Rebased on -next to use nomap:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2023-12-16 09:12:00 +01:00 • committed by Simon Glass
parent c95ade8dcd
commit f47c86f6d3
1 changed files with 24 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
lib/acpi/acpi.c
View file

@ -44,11 +44,30 @@ struct acpi_table_header *acpi_find_table(const char *sig)
if (!memcmp(hdr->signature, "FACP", ACPI_NAME_LEN)) {
struct acpi_fadt *fadt = (struct acpi_fadt *)hdr;
if (!memcmp(sig, "DSDT", ACPI_NAME_LEN) && fadt->dsdt)
return nomap_sysmem(fadt->dsdt, 0);
if (!memcmp(sig, "FACS", ACPI_NAME_LEN) &&
fadt->firmware_ctrl)
return nomap_sysmem(fadt->firmware_ctrl, 0);
if (!memcmp(sig, "DSDT", ACPI_NAME_LEN)) {
void *dsdt;
if (fadt->header.revision >= 3 && fadt->x_dsdt)
dsdt = nomap_sysmem(fadt->x_dsdt, 0);
else if (fadt->dsdt)
dsdt = nomap_sysmem(fadt->dsdt, 0);
else
dsdt = NULL;
return dsdt;
}
if (!memcmp(sig, "FACS", ACPI_NAME_LEN)) {
void *facs;
if (fadt->header.revision >= 3 &&
fadt->x_firmware_ctrl)
facs = nomap_sysmem(fadt->x_firmware_ctrl, 0);
else if (fadt->firmware_ctrl)
facs = nomap_sysmem(fadt->firmware_ctrl, 0);
else
facs = NULL;
return facs;
}
}
}