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hw/riscv/virt-acpi-build.c: Add IO controllers and devices

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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>
This commit is contained in:
Sunil V L
2023-12-18 20:32:46 +05:30
committed by Alistair Francis
parent e86e95270e
commit 55ecd83b36
2 changed files with 76 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
hw/riscv/Kconfig
View File

@@ -45,6 +45,7 @@ config RISCV_VIRT
select FW_CFG_DMA
select PLATFORM_BUS
select ACPI
select ACPI_PCI
config SHAKTI_C
bool

79
hw/riscv/virt-acpi-build.c
View File

@@ -27,15 +27,18 @@
#include "hw/acpi/acpi-defs.h"
#include "hw/acpi/acpi.h"
#include "hw/acpi/aml-build.h"
#include "hw/acpi/pci.h"
#include "hw/acpi/utils.h"
#include "hw/intc/riscv_aclint.h"
#include "hw/nvram/fw_cfg_acpi.h"
#include "hw/pci-host/gpex.h"
#include "hw/riscv/virt.h"
#include "hw/riscv/numa.h"
#include "hw/virtio/virtio-acpi.h"
#include "migration/vmstate.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "sysemu/reset.h"
#include "migration/vmstate.h"
#include "hw/riscv/virt.h"
#include "hw/riscv/numa.h"
#include "hw/intc/riscv_aclint.h"
#define ACPI_BUILD_TABLE_SIZE 0x20000
#define ACPI_BUILD_INTC_ID(socket, index) ((socket << 24) | (index))
@@ -132,6 +135,39 @@ static void acpi_dsdt_add_cpus(Aml *scope, RISCVVirtState *s)
}
}
static void
acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap,
uint32_t uart_irq)
{
Aml *dev = aml_device("COM0");
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0501")));
aml_append(dev, aml_name_decl("_UID", aml_int(0)));
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(uart_memmap->base,
uart_memmap->size, AML_READ_WRITE));
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &uart_irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
Aml *pkg = aml_package(2);
aml_append(pkg, aml_string("clock-frequency"));
aml_append(pkg, aml_int(3686400));
Aml *UUID = aml_touuid("DAFFD814-6EBA-4D8C-8A91-BC9BBF4AA301");
Aml *pkg1 = aml_package(1);
aml_append(pkg1, pkg);
Aml *package = aml_package(2);
aml_append(package, UUID);
aml_append(package, pkg1);
aml_append(dev, aml_name_decl("_DSD", package));
aml_append(scope, dev);
}
/* RHCT Node[N] starts at offset 56 */
#define RHCT_NODE_ARRAY_OFFSET 56
@@ -310,6 +346,8 @@ static void build_dsdt(GArray *table_data,
RISCVVirtState *s)
{
Aml *scope, *dsdt;
MachineState *ms = MACHINE(s);
uint8_t socket_count;
const MemMapEntry *memmap = s->memmap;
AcpiTable table = { .sig = "DSDT", .rev = 2, .oem_id = s->oem_id,
.oem_table_id = s->oem_table_id };
@@ -329,6 +367,29 @@ static void build_dsdt(GArray *table_data,
fw_cfg_acpi_dsdt_add(scope, &memmap[VIRT_FW_CFG]);
socket_count = riscv_socket_count(ms);
acpi_dsdt_add_uart(scope, &memmap[VIRT_UART0], UART0_IRQ);
if (socket_count == 1) {
virtio_acpi_dsdt_add(scope, memmap[VIRT_VIRTIO].base,
memmap[VIRT_VIRTIO].size,
VIRTIO_IRQ, 0, VIRTIO_COUNT);
acpi_dsdt_add_gpex_host(scope, PCIE_IRQ);
} else if (socket_count == 2) {
virtio_acpi_dsdt_add(scope, memmap[VIRT_VIRTIO].base,
memmap[VIRT_VIRTIO].size,
VIRTIO_IRQ + VIRT_IRQCHIP_NUM_SOURCES, 0,
VIRTIO_COUNT);
acpi_dsdt_add_gpex_host(scope, PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES);
} else {
virtio_acpi_dsdt_add(scope, memmap[VIRT_VIRTIO].base,
memmap[VIRT_VIRTIO].size,
VIRTIO_IRQ + VIRT_IRQCHIP_NUM_SOURCES, 0,
VIRTIO_COUNT);
acpi_dsdt_add_gpex_host(scope, PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES * 2);
}
aml_append(dsdt, scope);
/* copy AML table into ACPI tables blob and patch header there */
@@ -465,6 +526,16 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_rhct(tables_blob, tables->linker, s);
acpi_add_table(table_offsets, tables_blob);
{
AcpiMcfgInfo mcfg = {
.base = s->memmap[VIRT_PCIE_MMIO].base,
.size = s->memmap[VIRT_PCIE_MMIO].size,
};
build_mcfg(tables_blob, tables->linker, &mcfg, s->oem_id,
s->oem_table_id);
}
/* XSDT is pointed to by RSDP */
xsdt = tables_blob->len;
build_xsdt(tables_blob, tables->linker, table_offsets, s->oem_id,