From: Anup Patel <[email protected]> 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 <[email protected]> Signed-off-by: Anup Patel <[email protected]> Reviewed-by: Alistair Francis <[email protected]> Reviewed-by: Frank Chang <[email protected]> --- hw/riscv/virt.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 2643c8bc37..e3068d6126 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -212,8 +212,17 @@ 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, intc_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); -- 2.25.1
