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Tsirkin" , Igor Mammedov , Ani Sinha , Peter Maydell , Shannon Zhao , Paolo Bonzini , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Andrew Jones , Anup Patel , Sunil V L Subject: [PATCH 10/10] hw/riscv/virt-acpi-build.c: Add IO controllers and devices Date: Wed, 12 Jul 2023 22:09:43 +0530 Message-Id: <20230712163943.98994-11-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230712163943.98994-1-sunilvl@ventanamicro.com> References: <20230712163943.98994-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=sunilvl@ventanamicro.com; helo=mail-pl1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1689180140593100001 Content-Type: text/plain; charset="utf-8" Add basic IO controllers and devices like PCI, VirtIO and UART in the ACPI namespace. Signed-off-by: Sunil V L Reviewed-by: Daniel Henrique Barboza --- hw/riscv/Kconfig | 1 + hw/riscv/virt-acpi-build.c | 87 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 88 insertions(+) diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig index b6a5eb4452..a50717be87 100644 --- a/hw/riscv/Kconfig +++ b/hw/riscv/Kconfig @@ -45,6 +45,7 @@ config RISCV_VIRT select FW_CFG_DMA select PLATFORM_BUS select ACPI + select ACPI_PCI =20 config SHAKTI_C bool diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c index 25745eee4c..91f06fdc97 100644 --- a/hw/riscv/virt-acpi-build.c +++ b/hw/riscv/virt-acpi-build.c @@ -27,6 +27,7 @@ #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 "qapi/error.h" #include "qemu/error-report.h" @@ -35,6 +36,7 @@ #include "hw/riscv/virt.h" #include "hw/riscv/numa.h" #include "hw/intc/riscv_aclint.h" +#include "hw/pci-host/gpex.h" =20 #define ACPI_BUILD_TABLE_SIZE 0x20000 #define ACPI_BUILD_INTC_ID(socket, index) ((socket << 24) | (index)) @@ -138,6 +140,55 @@ static void acpi_dsdt_add_cpus(Aml *scope, RISCVVirtSt= ate *s) } } =20 +static void +acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, + uint32_t uart_irq) +{ + Aml *dev =3D 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 =3D 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 =3D aml_package(2); + aml_append(pkg, aml_string("clock-frequency")); + aml_append(pkg, aml_int(3686400)); + + Aml *UUID =3D aml_touuid("DAFFD814-6EBA-4D8C-8A91-BC9BBF4AA301"); + + Aml *pkg1 =3D aml_package(1); + aml_append(pkg1, pkg); + + Aml *package =3D aml_package(2); + aml_append(package, UUID); + aml_append(package, pkg1); + + aml_append(dev, aml_name_decl("_DSD", package)); + aml_append(scope, dev); +} + +static void +acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, + uint32_t irq, RISCVVirtState *s) +{ + struct GPEXConfig cfg =3D { + .mmio32 =3D memmap[VIRT_PCIE_MMIO], + .mmio64 =3D memmap[VIRT_HIGH_PCIE_MMIO], + .pio =3D memmap[VIRT_PCIE_PIO], + .ecam =3D memmap[VIRT_PCIE_ECAM], + .irq =3D irq, + .bus =3D s->bus, + }; + + acpi_dsdt_add_gpex(scope, &cfg); +} + /* RHCT Node[N] starts at offset 56 */ #define RHCT_NODE_ARRAY_OFFSET 56 =20 @@ -318,6 +369,8 @@ static void build_dsdt(GArray *table_data, RISCVVirtState *s) { Aml *scope, *dsdt; + MachineState *ms =3D MACHINE(s); + uint8_t socket_count; const MemMapEntry *memmap =3D s->memmap; AcpiTable table =3D { .sig =3D "DSDT", .rev =3D 2, .oem_id =3D s->oem_= id, .oem_table_id =3D s->oem_table_id }; @@ -337,6 +390,30 @@ static void build_dsdt(GArray *table_data, =20 acpi_dsdt_add_fw_cfg(scope, &memmap[VIRT_FW_CFG]); =20 + socket_count =3D riscv_socket_count(ms); + + acpi_dsdt_add_uart(scope, &memmap[VIRT_UART0], UART0_IRQ); + + if (socket_count =3D=3D 1) { + acpi_dsdt_add_virtio(scope, &memmap[VIRT_VIRTIO], + VIRTIO_IRQ, VIRTIO_COUNT); + acpi_dsdt_add_pci(scope, memmap, PCIE_IRQ, s); + } else if (socket_count =3D=3D 2) { + acpi_dsdt_add_virtio(scope, &memmap[VIRT_VIRTIO], + VIRTIO_IRQ + VIRT_IRQCHIP_NUM_SOURCES, + VIRTIO_COUNT); + acpi_dsdt_add_pci(scope, memmap, + PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES, + s); + } else { + acpi_dsdt_add_virtio(scope, &memmap[VIRT_VIRTIO], + VIRTIO_IRQ + VIRT_IRQCHIP_NUM_SOURCES, + VIRTIO_COUNT); + acpi_dsdt_add_pci(scope, memmap, + PCIE_IRQ + VIRT_IRQCHIP_NUM_SOURCES * 2, + s); + } + aml_append(dsdt, scope); =20 /* copy AML table into ACPI tables blob and patch header there */ @@ -486,6 +563,16 @@ static void virt_acpi_build(RISCVVirtState *s, AcpiBui= ldTables *tables) acpi_add_table(table_offsets, tables_blob); build_rhct(tables_blob, tables->linker, s); =20 + acpi_add_table(table_offsets, tables_blob); + { + AcpiMcfgInfo mcfg =3D { + .base =3D s->memmap[VIRT_PCIE_MMIO].base, + .size =3D 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 =3D tables_blob->len; build_xsdt(tables_blob, tables->linker, table_offsets, s->oem_id, --=20 2.39.2