acpi: x86: Write FADT in common code
Write the FADT in common code since it's used on all architectures.
Since the FADT is mandatory all SoCs or mainboards must implement the
introduced function acpi_fill_fadt() and properly update the FADT.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c
index 7821964..7e1c2de 100644
--- a/arch/x86/cpu/baytrail/acpi.c
+++ b/arch/x86/cpu/baytrail/acpi.c
@@ -15,20 +15,13 @@
#include <asm/arch/iomap.h>
#include <dm/uclass-internal.h>
-static int baytrail_write_fadt(struct acpi_ctx *ctx,
- const struct acpi_writer *entry)
+void acpi_fill_fadt(struct acpi_fadt *fadt)
{
struct acpi_table_header *header;
- struct acpi_fadt *fadt;
- fadt = ctx->current;
header = &fadt->header;
u16 pmbase = ACPI_BASE_ADDRESS;
- memset(fadt, '\0', sizeof(struct acpi_fadt));
-
- acpi_fill_header(header, "FACP");
- header->length = sizeof(struct acpi_fadt);
header->revision = 4;
fadt->preferred_pm_profile = ACPI_PM_MOBILE;
@@ -77,9 +70,6 @@
fadt->reset_reg.addrh = 0;
fadt->reset_value = SYS_RST | RST_CPU | FULL_RST;
- fadt->x_firmware_ctrl = map_to_sysmem(ctx->facs);
- fadt->x_dsdt = map_to_sysmem(ctx->dsdt);
-
fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
fadt->x_pm1a_evt_blk.bit_offset = 0;
@@ -135,12 +125,7 @@
fadt->x_gpe1_blk.access_size = 0;
fadt->x_gpe1_blk.addrl = 0x0;
fadt->x_gpe1_blk.addrh = 0x0;
-
- header->checksum = table_compute_checksum(fadt, header->length);
-
- return acpi_add_fadt(ctx, fadt);
}
-ACPI_WRITER(5fadt, "FADT", baytrail_write_fadt, 0);
int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
{