pc: acpi: move HPET from DSDT to SSDT
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov
Michael S. Tsirkin
parent
5ca5efa4a6
commit
a57d708d17
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@ -52,6 +52,7 @@
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#include "hw/pci/pci_bus.h"
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#include "hw/pci-host/q35.h"
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#include "hw/i386/intel_iommu.h"
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#include "hw/timer/hpet.h"
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#include "hw/i386/q35-acpi-dsdt.hex"
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#include "hw/i386/acpi-dsdt.hex"
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@ -1147,6 +1148,57 @@ static void build_memory_devices(Aml *sb_scope, int nr_mem,
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aml_append(sb_scope, method);
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}
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static void build_hpet_aml(Aml *table)
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{
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Aml *crs;
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Aml *field;
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Aml *method;
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Aml *if_ctx;
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Aml *scope = aml_scope("_SB");
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Aml *dev = aml_device("HPET");
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Aml *zero = aml_int(0);
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Aml *id = aml_local(0);
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Aml *period = aml_local(1);
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aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0103")));
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aml_append(dev, aml_name_decl("_UID", zero));
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aml_append(dev,
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aml_operation_region("HPTM", AML_SYSTEM_MEMORY, HPET_BASE, HPET_LEN));
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field = aml_field("HPTM", AML_DWORD_ACC, AML_LOCK, AML_PRESERVE);
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aml_append(field, aml_named_field("VEND", 32));
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aml_append(field, aml_named_field("PRD", 32));
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aml_append(dev, field);
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method = aml_method("_STA", 0, AML_NOTSERIALIZED);
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aml_append(method, aml_store(aml_name("VEND"), id));
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aml_append(method, aml_store(aml_name("PRD"), period));
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aml_append(method, aml_shiftright(id, aml_int(16), id));
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if_ctx = aml_if(aml_lor(aml_equal(id, zero),
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aml_equal(id, aml_int(0xffff))));
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{
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aml_append(if_ctx, aml_return(zero));
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}
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aml_append(method, if_ctx);
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if_ctx = aml_if(aml_lor(aml_equal(period, zero),
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aml_lgreater(period, aml_int(100000000))));
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{
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aml_append(if_ctx, aml_return(zero));
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}
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aml_append(method, if_ctx);
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aml_append(method, aml_return(aml_int(0x0F)));
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aml_append(dev, method);
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crs = aml_resource_template();
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aml_append(crs, aml_memory32_fixed(HPET_BASE, HPET_LEN, AML_READ_ONLY));
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aml_append(dev, aml_name_decl("_CRS", crs));
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aml_append(scope, dev);
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aml_append(table, scope);
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}
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static void
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build_ssdt(GArray *table_data, GArray *linker,
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AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc,
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@ -1167,6 +1219,7 @@ build_ssdt(GArray *table_data, GArray *linker,
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/* Reserve space for header */
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acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader));
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build_hpet_aml(ssdt);
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build_cpu_hotplug_aml(ssdt);
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build_memory_hotplug_aml(ssdt, nr_mem, pm->mem_hp_io_base,
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pm->mem_hp_io_len);
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@ -1,48 +0,0 @@
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/****************************************************************
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* HPET
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****************************************************************/
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Scope(\_SB) {
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Device(HPET) {
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Name(_HID, EISAID("PNP0103"))
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Name(_UID, 0)
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OperationRegion(HPTM, SystemMemory, 0xFED00000, 0x400)
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Field(HPTM, DWordAcc, Lock, Preserve) {
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VEND, 32,
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PRD, 32,
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}
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Method(_STA, 0, NotSerialized) {
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Store(VEND, Local0)
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Store(PRD, Local1)
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ShiftRight(Local0, 16, Local0)
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If (LOr(LEqual(Local0, 0), LEqual(Local0, 0xffff))) {
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Return (0x0)
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}
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If (LOr(LEqual(Local1, 0), LGreater(Local1, 100000000))) {
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Return (0x0)
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}
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Return (0x0F)
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}
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Name(_CRS, ResourceTemplate() {
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Memory32Fixed(ReadOnly,
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0xFED00000, // Address Base
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0x00000400, // Address Length
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)
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})
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}
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}
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@ -41,8 +41,6 @@ DefinitionBlock (
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}
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}
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#include "acpi-dsdt-hpet.dsl"
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/****************************************************************
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* PIIX4 PM
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****************************************************************/
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@ -115,9 +115,6 @@ DefinitionBlock (
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}
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}
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#include "acpi-dsdt-hpet.dsl"
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/****************************************************************
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* LPC ISA bridge
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****************************************************************/
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@ -713,7 +713,7 @@ static void hpet_init(Object *obj)
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HPETState *s = HPET(obj);
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/* HPET Area */
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memory_region_init_io(&s->iomem, obj, &hpet_ram_ops, s, "hpet", 0x400);
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memory_region_init_io(&s->iomem, obj, &hpet_ram_ops, s, "hpet", HPET_LEN);
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sysbus_init_mmio(sbd, &s->iomem);
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}
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@ -16,6 +16,7 @@
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#include "qom/object.h"
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#define HPET_BASE 0xfed00000
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#define HPET_LEN 0x400
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#define HPET_CLK_PERIOD 10 /* 10 ns*/
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#define FS_PER_NS 1000000 /* 1000000 femtoseconds == 1 ns */
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