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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Add fw_cfg device in DSDT
*
*/
#include "qemu/osdep.h"
#include "hw/nvram/fw_cfg_acpi.h"
#include "hw/acpi/aml-build.h"
void fw_cfg_acpi_dsdt_add(Aml *scope, const MemMapEntry *fw_cfg_memmap)
{
Aml *dev = aml_device("FWCF");
aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0002")));
/* device present, functioning, decoding, not shown in UI */
aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(fw_cfg_memmap->base,
fw_cfg_memmap->size, AML_READ_WRITE));
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
}
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