diff options
| author | Bin Meng <bin.meng@windriver.com> | 2021-04-30 15:12:58 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2021-06-08 09:59:42 +1000 |
| commit | 60bb5407f02b9d7cf7078ff339cbae961b7e98cc (patch) | |
| tree | fa82cbb8d3e66bedad82b303df551e7a947260de /hw | |
| parent | 7cfbb17f023dc014d366b2f30af852aa62a5c3b1 (diff) | |
hw/riscv: Support the official PLIC DT bindings
The official DT bindings of PLIC uses "sifive,plic-1.0.0" as the
compatible string in the upstream Linux kernel. "riscv,plic0" is
now legacy and has to be kept for backward compatibility of legacy
systems.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210430071302.1489082-4-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/riscv/sifive_u.c | 6 | ||||
| -rw-r--r-- | hw/riscv/virt.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index d3828dc880..a32a95d58f 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -101,6 +101,9 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, static const char * const clint_compat[2] = { "sifive,clint0", "riscv,clint0" }; + static const char * const plic_compat[2] = { + "sifive,plic-1.0.0", "riscv,plic0" + }; if (ms->dtb) { fdt = s->fdt = load_device_tree(ms->dtb, &s->fdt_size); @@ -270,7 +273,8 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, (long)memmap[SIFIVE_U_DEV_PLIC].base); qemu_fdt_add_subnode(fdt, nodename); qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", 1); - qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,plic0"); + qemu_fdt_setprop_string_array(fdt, nodename, "compatible", + (char **)&plic_compat, ARRAY_SIZE(plic_compat)); qemu_fdt_setprop(fdt, nodename, "interrupt-controller", NULL, 0); qemu_fdt_setprop(fdt, nodename, "interrupts-extended", cells, (ms->smp.cpus * 4 - 2) * sizeof(uint32_t)); diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 5159e7e020..560216d217 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -197,6 +197,9 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap, static const char * const clint_compat[2] = { "sifive,clint0", "riscv,clint0" }; + static const char * const plic_compat[2] = { + "sifive,plic-1.0.0", "riscv,plic0" + }; if (mc->dtb) { fdt = mc->fdt = load_device_tree(mc->dtb, &s->fdt_size); @@ -319,7 +322,8 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap, "#address-cells", FDT_PLIC_ADDR_CELLS); qemu_fdt_setprop_cell(fdt, plic_name, "#interrupt-cells", FDT_PLIC_INT_CELLS); - qemu_fdt_setprop_string(fdt, plic_name, "compatible", "riscv,plic0"); + qemu_fdt_setprop_string_array(fdt, plic_name, "compatible", + (char **)&plic_compat, ARRAY_SIZE(plic_compat)); qemu_fdt_setprop(fdt, plic_name, "interrupt-controller", NULL, 0); qemu_fdt_setprop(fdt, plic_name, "interrupts-extended", plic_cells, s->soc[socket].num_harts * sizeof(uint32_t) * 4); |