@@ -100,6 +100,31 @@ static void fdt_add_cpuic_node(LoongArchMachineState *lams,
g_free(nodename);
}
+static void fdt_add_extioiic_node(LoongArchMachineState *lams,
+ uint32_t *cpuintc_phandle,
+ uint32_t *extioic_phandle)
+{
+ MachineState *ms = MACHINE(lams);
+ char *nodename;
+ hwaddr extioi_base = APIC_BASE;
+ hwaddr extioi_size = EXTIOI_SIZE;
+
+ *extioic_phandle = qemu_fdt_alloc_phandle(ms->fdt);
+ nodename = g_strdup_printf("/extioiic@%" PRIx64, extioi_base);
+ qemu_fdt_add_subnode(ms->fdt, nodename);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *extioic_phandle);
+ qemu_fdt_setprop_string(ms->fdt, nodename, "compatible",
+ "loongson,ls2k2000-eiointc");
+ qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "#interrupt-cells", 1);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent",
+ *cpuintc_phandle);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupts", 3);
+ qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0x0,
+ extioi_base, 0x0, extioi_size);
+ g_free(nodename);
+}
+
static void fdt_add_flash_node(LoongArchMachineState *lams)
{
MachineState *ms = MACHINE(lams);
@@ -510,7 +535,7 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
CPULoongArchState *env;
CPUState *cpu_state;
int cpu, pin, i, start, num;
- uint32_t cpuintc_phandle;
+ uint32_t cpuintc_phandle, extioiic_phandle;
extioi = qdev_new(TYPE_LOONGARCH_EXTIOI);
sysbus_realize_and_unref(SYS_BUS_DEVICE(extioi), &error_fatal);
@@ -582,6 +607,9 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
}
}
+ /* Add Extend I/O Interrupt Controller node */
+ fdt_add_extioiic_node(lams, &cpuintc_phandle, &extioiic_phandle);
+
pch_pic = qdev_new(TYPE_LOONGARCH_PCH_PIC);
num = VIRT_PCH_PIC_IRQ_NUM;
qdev_prop_set_uint32(pch_pic, "pch_pic_irq_num", num);
@@ -39,6 +39,7 @@
#define EXTIOI_COREISR_END (0xB20 - APIC_OFFSET)
#define EXTIOI_COREMAP_START (0xC00 - APIC_OFFSET)
#define EXTIOI_COREMAP_END (0xD00 - APIC_OFFSET)
+#define EXTIOI_SIZE 0x800
#define TYPE_LOONGARCH_EXTIOI "loongarch.extioi"
OBJECT_DECLARE_SIMPLE_TYPE(LoongArchExtIOI, LOONGARCH_EXTIOI)
fdt adds Extend I/O Interrupt Controller, we use 'loongson,ls2k2000-eiointc'. See: drivers/irqchip/irq-loongson-eiointc.c Signed-off-by: Song Gao <gaosong@loongson.cn> --- hw/loongarch/virt.c | 30 +++++++++++++++++++++++++++++- include/hw/intc/loongarch_extioi.h | 1 + 2 files changed, 30 insertions(+), 1 deletion(-)