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hw/riscv/virt-acpi-build.c: Add IO controllers and devices
Add basic IO controllers and devices like PCI, VirtIO and UART in the ACPI namespace. Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Acked-by: Alistair Francis <alistair.francis@wdc.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Message-ID: <20231218150247.466427-13-sunilvl@ventanamicro.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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@ -45,6 +45,7 @@ config RISCV_VIRT
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select FW_CFG_DMA
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select PLATFORM_BUS
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select ACPI
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select ACPI_PCI
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config SHAKTI_C
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bool
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@ -27,15 +27,18 @@
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#include "hw/acpi/acpi-defs.h"
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#include "hw/acpi/acpi.h"
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#include "hw/acpi/aml-build.h"
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#include "hw/acpi/pci.h"
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#include "hw/acpi/utils.h"
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#include "hw/intc/riscv_aclint.h"
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#include "hw/nvram/fw_cfg_acpi.h"
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#include "hw/pci-host/gpex.h"
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#include "hw/riscv/virt.h"
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#include "hw/riscv/numa.h"
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#include "hw/virtio/virtio-acpi.h"
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#include "migration/vmstate.h"
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#include "qapi/error.h"
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#include "qemu/error-report.h"
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#include "sysemu/reset.h"
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#include "migration/vmstate.h"
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#include "hw/riscv/virt.h"
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#include "hw/riscv/numa.h"
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#include "hw/intc/riscv_aclint.h"
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#define ACPI_BUILD_TABLE_SIZE 0x20000
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#define ACPI_BUILD_INTC_ID(socket, index) ((socket << 24) | (index))
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@ -132,6 +135,39 @@ static void acpi_dsdt_add_cpus(Aml *scope, RISCVVirtState *s)
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}
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}
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static void
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acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap,
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uint32_t uart_irq)
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{
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Aml *dev = aml_device("COM0");
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aml_append(dev, aml_name_decl("_HID", aml_string("PNP0501")));
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aml_append(dev, aml_name_decl("_UID", aml_int(0)));
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Aml *crs = aml_resource_template();
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aml_append(crs, aml_memory32_fixed(uart_memmap->base,
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uart_memmap->size, AML_READ_WRITE));
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aml_append(crs,
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aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
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AML_EXCLUSIVE, &uart_irq, 1));
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aml_append(dev, aml_name_decl("_CRS", crs));
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Aml *pkg = aml_package(2);
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aml_append(pkg, aml_string("clock-frequency"));
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aml_append(pkg, aml_int(3686400));
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Aml *UUID = aml_touuid("DAFFD814-6EBA-4D8C-8A91-BC9BBF4AA301");
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Aml *pkg1 = aml_package(1);
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aml_append(pkg1, pkg);
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Aml *package = aml_package(2);
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aml_append(package, UUID);
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aml_append(package, pkg1);
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aml_append(dev, aml_name_decl("_DSD", package));
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aml_append(scope, dev);
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}
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/* RHCT Node[N] starts at offset 56 */
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#define RHCT_NODE_ARRAY_OFFSET 56
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@ -310,6 +346,8 @@ static void build_dsdt(GArray *table_data,
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RISCVVirtState *s)
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{
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Aml *scope, *dsdt;
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MachineState *ms = MACHINE(s);
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uint8_t socket_count;
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const MemMapEntry *memmap = s->memmap;
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AcpiTable table = { .sig = "DSDT", .rev = 2, .oem_id = s->oem_id,
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.oem_table_id = s->oem_table_id };
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@ -329,6 +367,29 @@ static void build_dsdt(GArray *table_data,
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fw_cfg_acpi_dsdt_add(scope, &memmap[VIRT_FW_CFG]);
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socket_count = riscv_socket_count(ms);
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acpi_dsdt_add_uart(scope, &memmap[VIRT_UART0], UART0_IRQ);
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if (socket_count == 1) {
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virtio_acpi_dsdt_add(scope, memmap[VIRT_VIRTIO].base,
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memmap[VIRT_VIRTIO].size,
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VIRTIO_IRQ, 0, VIRTIO_COUNT);
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acpi_dsdt_add_gpex_host(scope, PCIE_IRQ);
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} else if (socket_count == 2) {
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virtio_acpi_dsdt_add(scope, memmap[VIRT_VIRTIO].base,
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memmap[VIRT_VIRTIO].size,
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VIRTIO_IRQ + VIRT_IRQCHIP_NUM_SOURCES, 0,
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VIRTIO_COUNT);
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acpi_dsdt_add_gpex_host(scope, PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES);
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} else {
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virtio_acpi_dsdt_add(scope, memmap[VIRT_VIRTIO].base,
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memmap[VIRT_VIRTIO].size,
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VIRTIO_IRQ + VIRT_IRQCHIP_NUM_SOURCES, 0,
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VIRTIO_COUNT);
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acpi_dsdt_add_gpex_host(scope, PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES * 2);
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}
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aml_append(dsdt, scope);
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/* copy AML table into ACPI tables blob and patch header there */
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@ -465,6 +526,16 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables)
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acpi_add_table(table_offsets, tables_blob);
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build_rhct(tables_blob, tables->linker, s);
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acpi_add_table(table_offsets, tables_blob);
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{
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AcpiMcfgInfo mcfg = {
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.base = s->memmap[VIRT_PCIE_MMIO].base,
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.size = s->memmap[VIRT_PCIE_MMIO].size,
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};
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build_mcfg(tables_blob, tables->linker, &mcfg, s->oem_id,
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s->oem_table_id);
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}
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/* XSDT is pointed to by RSDP */
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xsdt = tables_blob->len;
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build_xsdt(tables_blob, tables->linker, table_offsets, s->oem_id,
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