| Message ID | 20240307164835.300412-12-gaosong@loongson.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add boot LoongArch elf kernel with FDT | expand |
On 2024/3/8 上午12:48, Song Gao wrote: > fdt adds Extend I/O Interrupt Controller, > we use 'loongson,ls2k2000-eiointc'. > > See: > https://github.com/torvalds/linux/blob/v6.7/drivers/irqchip/irq-loongson-eiointc.c > https://lore.kernel.org/r/764e02d924094580ac0f1d15535f4b98308705c6.1683279769.git.zhoubinbin@loongson.cn > > Signed-off-by: Song Gao <gaosong@loongson.cn> > Message-Id: <20240301093839.663947-12-gaosong@loongson.cn> > --- > hw/loongarch/virt.c | 30 +++++++++++++++++++++++++++++- > include/hw/intc/loongarch_extioi.h | 1 + > 2 files changed, 30 insertions(+), 1 deletion(-) > > diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c > index d260f933a5..822f070c45 100644 > --- a/hw/loongarch/virt.c > +++ b/hw/loongarch/virt.c > @@ -123,6 +123,31 @@ static void fdt_add_cpuic_node(LoongArchMachineState *lams, > g_free(nodename); > } > > +static void fdt_add_eiointc_node(LoongArchMachineState *lams, > + uint32_t *cpuintc_phandle, > + uint32_t *eiointc_phandle) > +{ > + MachineState *ms = MACHINE(lams); > + char *nodename; > + hwaddr extioi_base = APIC_BASE; > + hwaddr extioi_size = EXTIOI_SIZE; > + > + *eiointc_phandle = qemu_fdt_alloc_phandle(ms->fdt); > + nodename = g_strdup_printf("/eiointc@%" PRIx64, extioi_base); > + qemu_fdt_add_subnode(ms->fdt, nodename); > + qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *eiointc_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); > @@ -544,7 +569,7 @@ 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, eiointc_phandle; > > /* > * The connection of interrupts: > @@ -613,6 +638,9 @@ static void loongarch_irq_init(LoongArchMachineState *lams) > } > } > > + /* Add Extend I/O Interrupt Controller node */ > + fdt_add_eiointc_node(lams, &cpuintc_phandle, &eiointc_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); > diff --git a/include/hw/intc/loongarch_extioi.h b/include/hw/intc/loongarch_extioi.h > index a0a46b888c..410c6e1121 100644 > --- a/include/hw/intc/loongarch_extioi.h > +++ b/include/hw/intc/loongarch_extioi.h > @@ -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 > > typedef struct ExtIOICore { > uint32_t coreisr[EXTIOI_IRQS_GROUP_COUNT]; > Reviewed-by: Bibo Mao <maobibo@loongson.cn>
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index d260f933a5..822f070c45 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -123,6 +123,31 @@ static void fdt_add_cpuic_node(LoongArchMachineState *lams, g_free(nodename); } +static void fdt_add_eiointc_node(LoongArchMachineState *lams, + uint32_t *cpuintc_phandle, + uint32_t *eiointc_phandle) +{ + MachineState *ms = MACHINE(lams); + char *nodename; + hwaddr extioi_base = APIC_BASE; + hwaddr extioi_size = EXTIOI_SIZE; + + *eiointc_phandle = qemu_fdt_alloc_phandle(ms->fdt); + nodename = g_strdup_printf("/eiointc@%" PRIx64, extioi_base); + qemu_fdt_add_subnode(ms->fdt, nodename); + qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *eiointc_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); @@ -544,7 +569,7 @@ 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, eiointc_phandle; /* * The connection of interrupts: @@ -613,6 +638,9 @@ static void loongarch_irq_init(LoongArchMachineState *lams) } } + /* Add Extend I/O Interrupt Controller node */ + fdt_add_eiointc_node(lams, &cpuintc_phandle, &eiointc_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); diff --git a/include/hw/intc/loongarch_extioi.h b/include/hw/intc/loongarch_extioi.h index a0a46b888c..410c6e1121 100644 --- a/include/hw/intc/loongarch_extioi.h +++ b/include/hw/intc/loongarch_extioi.h @@ -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 typedef struct ExtIOICore { uint32_t coreisr[EXTIOI_IRQS_GROUP_COUNT];
fdt adds Extend I/O Interrupt Controller, we use 'loongson,ls2k2000-eiointc'. See: https://github.com/torvalds/linux/blob/v6.7/drivers/irqchip/irq-loongson-eiointc.c https://lore.kernel.org/r/764e02d924094580ac0f1d15535f4b98308705c6.1683279769.git.zhoubinbin@loongson.cn Signed-off-by: Song Gao <gaosong@loongson.cn> Message-Id: <20240301093839.663947-12-gaosong@loongson.cn> --- hw/loongarch/virt.c | 30 +++++++++++++++++++++++++++++- include/hw/intc/loongarch_extioi.h | 1 + 2 files changed, 30 insertions(+), 1 deletion(-)