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[PATCH v3 10/17] hw/loongarch: fdt adds cpu interrupt controller node
From: |
Song Gao |
Subject: |
[PATCH v3 10/17] hw/loongarch: fdt adds cpu interrupt controller node |
Date: |
Wed, 27 Dec 2023 16:08:14 +0800 |
fdt adds cpu interrupt controller node,
we use 'loongson,cpu-interrupt-controller'.
See:
drivers/irqchip/irq-loongarch-cpu.c
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
hw/loongarch/virt.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 2ce5ffddba..a20b7cf5c8 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -81,7 +81,23 @@ static void virt_flash_map(LoongArchMachineState *lams,
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
memory_region_add_subregion(sysmem, base,
sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
0));
+}
+
+static void fdt_add_cpuic_node(LoongArchMachineState *lams,
+ uint32_t *cpuintc_phandle)
+{
+ MachineState *ms = MACHINE(lams);
+ char *nodename;
+ *cpuintc_phandle = qemu_fdt_alloc_phandle(ms->fdt);
+ nodename = g_strdup_printf("/cpuic");
+ qemu_fdt_add_subnode(ms->fdt, nodename);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *cpuintc_phandle);
+ qemu_fdt_setprop_string(ms->fdt, nodename, "compatible",
+ "loongson,cpu-interrupt-controller");
+ qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "#interrupt-cells", 1);
+ g_free(nodename);
}
static void fdt_add_flash_node(LoongArchMachineState *lams)
@@ -494,6 +510,7 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
CPULoongArchState *env;
CPUState *cpu_state;
int cpu, pin, i, start, num;
+ uint32_t cpuintc_phandle;
extioi = qdev_new(TYPE_LOONGARCH_EXTIOI);
sysbus_realize_and_unref(SYS_BUS_DEVICE(extioi), &error_fatal);
@@ -519,6 +536,10 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
* | UARTs | | Devices | | Devices |
* +--------+ +---------+ +---------+
*/
+
+ /* Add cpu interrupt-controller */
+ fdt_add_cpuic_node(lams, &cpuintc_phandle);
+
for (cpu = 0; cpu < ms->smp.cpus; cpu++) {
cpu_state = qemu_get_cpu(cpu);
cpudev = DEVICE(cpu_state);
--
2.25.1
- [PATCH v3 00/17] Add boot LoongArch elf kernel with FDT, Song Gao, 2023/12/27
- [PATCH v3 04/17] hw/loongarch: Add init_cmdline, Song Gao, 2023/12/27
- [PATCH v3 08/17] hw/loongarch: Init efi_fdt table, Song Gao, 2023/12/27
- [PATCH v3 02/17] hw/loongarch: Add load initrd, Song Gao, 2023/12/27
- [PATCH v3 10/17] hw/loongarch: fdt adds cpu interrupt controller node,
Song Gao <=
- [PATCH v3 06/17] hw/loongarch: Init efi_boot_memmap table, Song Gao, 2023/12/27
- [PATCH v3 05/17] hw/loongarch: Init efi_system_table, Song Gao, 2023/12/27
- [PATCH v3 07/17] hw/loongarch: Init efi_initrd table, Song Gao, 2023/12/27
- [PATCH v3 09/17] hw/loongarch: Fix fdt memory node wrong 'reg', Song Gao, 2023/12/27
- [PATCH v3 11/17] hw/loongarch: fdt adds Extend I/O Interrupt Controller, Song Gao, 2023/12/27
- [PATCH v3 01/17] hw/loongarch: Move boot fucntions to boot.c, Song Gao, 2023/12/27
- [PATCH v3 03/17] hw/loongarch: Add slave cpu boot_code, Song Gao, 2023/12/27