[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v7 10/17] hw/loongarch: fdt adds cpu interrupt controller node
From: |
Song Gao |
Subject: |
[PATCH v7 10/17] hw/loongarch: fdt adds cpu interrupt controller node |
Date: |
Fri, 26 Apr 2024 17:15:44 +0800 |
fdt adds cpu interrupt controller node,
we use 'loongson,cpu-interrupt-controller'.
See:
https://github.com/torvalds/linux/blob/v6.7/drivers/irqchip/irq-loongarch-cpu.c
https://lore.kernel.org/r/20221114113824.1880-2-liupeibao@loongson.cn
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240307164835.300412-11-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 032f5f2ddf..88cdcb6f91 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -106,6 +106,23 @@ static void virt_flash_map(LoongArchMachineState *lams,
virt_flash_map1(flash1, VIRT_FLASH1_BASE, VIRT_FLASH1_SIZE, sysmem);
}
+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)
{
MachineState *ms = MACHINE(lams);
@@ -528,6 +545,7 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
CPULoongArchState *env;
CPUState *cpu_state;
int cpu, pin, i, start, num;
+ uint32_t cpuintc_phandle;
/*
* The connection of interrupts:
@@ -562,6 +580,9 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
memory_region_add_subregion(&lams->system_iocsr, MAIL_SEND_ADDR,
sysbus_mmio_get_region(SYS_BUS_DEVICE(ipi), 1));
+ /* 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 v7 03/17] hw/loongarch: Add slave cpu boot_code, (continued)
- [PATCH v7 03/17] hw/loongarch: Add slave cpu boot_code, Song Gao, 2024/04/26
- [PATCH v7 09/17] hw/loongarch: Fix fdt memory node wrong 'reg', Song Gao, 2024/04/26
- [PATCH v7 01/17] hw/loongarch: Move boot functions to boot.c, Song Gao, 2024/04/26
- [PATCH v7 05/17] hw/loongarch: Init efi_system_table, Song Gao, 2024/04/26
- [PATCH v7 08/17] hw/loongarch: Init efi_fdt table, Song Gao, 2024/04/26
- [PATCH v7 06/17] hw/loongarch: Init efi_boot_memmap table, Song Gao, 2024/04/26
- [PATCH v7 11/17] hw/loongarch: fdt adds Extend I/O Interrupt Controller, Song Gao, 2024/04/26
- [PATCH v7 14/17] hw/loongarch: fdt adds pcie irq_map node, Song Gao, 2024/04/26
- [PATCH v7 16/17] hw/loongarch: Add cells missing from uart node, Song Gao, 2024/04/26
- [PATCH v7 13/17] hw/loongarch: fdt adds pch_msi Controller, Song Gao, 2024/04/26
- [PATCH v7 10/17] hw/loongarch: fdt adds cpu interrupt controller node,
Song Gao <=
- [PATCH v7 15/17] hw/loongarch: fdt remove unused irqchip node, Song Gao, 2024/04/26
- [PATCH v7 17/17] hw/loongarch: Add cells missing from rtc node, Song Gao, 2024/04/26
- [PATCH v7 12/17] hw/loongarch: fdt adds pch_pic Controller, Song Gao, 2024/04/26