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hw/riscv: virt: Use AIA INTC compatible string when available

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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>
Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-id: 20220204174700.534953-17-anup@brainfault.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel 2022-02-04 23:16:52 +05:30 • committed by Alistair Francis
parent ac4b0302b0
commit d207863cd3
1 changed files with 11 additions and 2 deletions
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13
hw/riscv/virt.c
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@ -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);