[PATCH v2 1/9] hw/riscv/virt-acpi-build.c: Add namespace devices for PLIC and APLIC

[Sunil V L <sunilvl@ventanamicro.com>]

PLIC and APLIC should be in namespace as well. So, add them using the
defined HID.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
---
 hw/riscv/virt-acpi-build.c | 47 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 0925528160..87fe882af0 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -141,6 +141,52 @@ static void acpi_dsdt_add_cpus(Aml *scope, RISCVVirtState *s)
     }
 }
 
+static void acpi_dsdt_add_plic_aplic(Aml *scope, RISCVVirtState *s)
+{
+    MachineState *ms = MACHINE(s);
+    uint64_t plic_aplic_addr;
+    uint32_t gsi_base;
+    uint8_t  socket;
+
+    if (s->aia_type == VIRT_AIA_TYPE_NONE) {
+        /* PLICs */
+        for (socket = 0; socket < riscv_socket_count(ms); socket++) {
+            plic_aplic_addr = s->memmap[VIRT_PLIC].base +
+                         s->memmap[VIRT_PLIC].size * socket;
+            gsi_base = VIRT_IRQCHIP_NUM_SOURCES * socket;
+            Aml *dev = aml_device("IC%.02X", socket);
+            aml_append(dev, aml_name_decl("_HID", aml_string("RSCV0001")));
+            aml_append(dev, aml_name_decl("_UID", aml_int(socket)));
+            aml_append(dev, aml_name_decl("_GSB", aml_int(gsi_base)));
+
+            Aml *crs = aml_resource_template();
+            aml_append(crs, aml_memory32_fixed(plic_aplic_addr,
+                                               s->memmap[VIRT_PLIC].size,
+                                               AML_READ_WRITE));
+            aml_append(dev, aml_name_decl("_CRS", crs));
+            aml_append(scope, dev);
+        }
+    } else {
+        /* APLICs */
+        for (socket = 0; socket < riscv_socket_count(ms); socket++) {
+            plic_aplic_addr = s->memmap[VIRT_APLIC_S].base +
+                             s->memmap[VIRT_APLIC_S].size * socket;
+            gsi_base = VIRT_IRQCHIP_NUM_SOURCES * socket;
+            Aml *dev = aml_device("IC%.02X", socket);
+            aml_append(dev, aml_name_decl("_HID", aml_string("RSCV0002")));
+            aml_append(dev, aml_name_decl("_UID", aml_int(socket)));
+            aml_append(dev, aml_name_decl("_GSB", aml_int(gsi_base)));
+
+            Aml *crs = aml_resource_template();
+            aml_append(crs, aml_memory32_fixed(plic_aplic_addr,
+                                               s->memmap[VIRT_APLIC_S].size,
+                                               AML_READ_WRITE));
+            aml_append(dev, aml_name_decl("_CRS", crs));
+            aml_append(scope, dev);
+        }
+    }
+}
+
 static void
 acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap,
                     uint32_t uart_irq)
@@ -411,6 +457,7 @@ static void build_dsdt(GArray *table_data,
 
     socket_count = riscv_socket_count(ms);
 
+    acpi_dsdt_add_plic_aplic(scope, s);
     acpi_dsdt_add_uart(scope, &memmap[VIRT_UART0], UART0_IRQ);
 
     if (socket_count == 1) {
-- 
2.43.0