diff mbox series

[v4,16/22] hw/riscv: virt: Use AIA INTC compatible string when available

Message ID 20211026064227.2014502-17-anup.patel@wdc.com (mailing list archive)
State New, archived
Headers show
Series QEMU RISC-V AIA support | expand

Commit Message

Anup Patel Oct. 26, 2021, 6:42 a.m. UTC 
We should use the AIA INTC compatible string in the CPU INTC
DT nodes when the CPUs support AIA feature. This will allow
Linux INTC driver to use AIA local interrupt CSRs.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---
 hw/riscv/virt.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index b3b431c847..83f784bdee 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -211,8 +211,17 @@  static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
         qemu_fdt_add_subnode(mc->fdt, intc_name);
         qemu_fdt_setprop_cell(mc->fdt, intc_name, "phandle",
             intc_phandles[cpu]);
-        qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
-            "riscv,cpu-intc");
+        if (riscv_feature(&s->soc[socket].harts[cpu].env,
+                          RISCV_FEATURE_AIA)) {
+            static const char * const compat[2] = {
+                "riscv,cpu-intc-aia", "riscv,cpu-intc"
+            };
+            qemu_fdt_setprop_string_array(mc->fdt, name, "compatible",
+                                      (char **)&compat, ARRAY_SIZE(compat));
+        } else {
+            qemu_fdt_setprop_string(mc->fdt, intc_name, "compatible",
+                "riscv,cpu-intc");
+        }
         qemu_fdt_setprop(mc->fdt, intc_name, "interrupt-controller", NULL, 0);
         qemu_fdt_setprop_cell(mc->fdt, intc_name, "#interrupt-cells", 1);