[PULL,52/63] hw/riscv/virt-acpi-build.c: Update the HID of RISC-V UART

Commit Message

Michael S. Tsirkin July 22, 2024, 12:18 a.m. UTC

From: Sunil V L <[e-mail]>

The requirement ACPI_060 in the RISC-V BRS specification [1], requires
NS16550 compatible UART to have the HID RSCV0003. So, update the HID for
the UART.

[1] -  https://github.com/riscv-non-isa/riscv-brs/releases/download/v0.0.2/riscv-brs-spec.pdf
       (Chapter 6)

Signed-off-by: Sunil V L <[e-mail]>
Acked-by: Alistair Francis <[e-mail]>
Reviewed-by: Igor Mammedov <[e-mail]>
Message-Id: <[e-mail]>
Reviewed-by: Michael S. Tsirkin <[e-mail]>
Signed-off-by: Michael S. Tsirkin <[e-mail]>
---
 hw/riscv/virt-acpi-build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 5f5082a35b..36d6a3a412 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -170,7 +170,7 @@  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("_HID", aml_string("RSCV0003")));
     aml_append(dev, aml_name_decl("_UID", aml_int(0)));
 
     Aml *crs = aml_resource_template();