[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v1 12/17] hw/loongarch: fdt adds pch_pic Controller
From: |
Song Gao |
Subject: |
[PATCH v1 12/17] hw/loongarch: fdt adds pch_pic Controller |
Date: |
Fri, 8 Dec 2023 17:00:37 +0800 |
fdt adds pch pic controller, we use 'loongson,pch-pic-1.0'
See:
drivers/irqchip/irq-loongson-pch-pic.c
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
hw/loongarch/virt.c | 30 +++++++++++++++++++++++++++++-
include/hw/pci-host/ls7a.h | 1 +
2 files changed, 30 insertions(+), 1 deletion(-)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index b284ace079..6887dc80ee 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -133,6 +133,31 @@ static void fdt_add_extioiic_node(LoongArchMachineState
*lams,
g_free(nodename);
}
+static void fdt_add_pch_pic_node(LoongArchMachineState *lams,
+ uint32_t *extioic_phandle,
+ uint32_t *pch_pic_phandle)
+{
+ MachineState *ms = MACHINE(lams);
+ char *nodename;
+ hwaddr pch_pic_base = VIRT_PCH_REG_BASE;
+ hwaddr pch_pic_size = VIRT_PCH_REG_SIZE;
+
+ *pch_pic_phandle = qemu_fdt_alloc_phandle(ms->fdt);
+ nodename = g_strdup_printf("/platic@%" PRIx64, pch_pic_base);
+ qemu_fdt_add_subnode(ms->fdt, nodename);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *pch_pic_phandle);
+ qemu_fdt_setprop_string(ms->fdt, nodename, "compatible",
+ "loongson,pch-pic-1.0");
+ qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0,
+ pch_pic_base, 0, pch_pic_size);
+ qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "#interrupt-cells", 2);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent",
+ *extioic_phandle);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "loongson,pic-base-vec", 0);
+ g_free(nodename);
+}
+
static void fdt_add_flash_node(LoongArchMachineState *lams)
{
MachineState *ms = MACHINE(lams);
@@ -543,7 +568,7 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
CPULoongArchState *env;
CPUState *cpu_state;
int cpu, pin, i, start, num;
- uint32_t cpuintc_phandle, extioiic_phandle;
+ uint32_t cpuintc_phandle, extioiic_phandle, pch_pic_phandle;
extioi = qdev_new(TYPE_LOONGARCH_EXTIOI);
sysbus_realize_and_unref(SYS_BUS_DEVICE(extioi), &error_fatal);
@@ -637,6 +662,9 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
qdev_connect_gpio_out(DEVICE(d), i, qdev_get_gpio_in(extioi, i));
}
+ /* Add PCH PIC node */
+ fdt_add_pch_pic_node(lams, &extioiic_phandle, &pch_pic_phandle);
+
pch_msi = qdev_new(TYPE_LOONGARCH_PCH_MSI);
start = num;
num = EXTIOI_IRQS - start;
diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h
index e753449593..fe260f0183 100644
--- a/include/hw/pci-host/ls7a.h
+++ b/include/hw/pci-host/ls7a.h
@@ -24,6 +24,7 @@
#define VIRT_PCH_REG_BASE 0x10000000UL
#define VIRT_IOAPIC_REG_BASE (VIRT_PCH_REG_BASE)
#define VIRT_PCH_MSI_ADDR_LOW 0x2FF00000UL
+#define VIRT_PCH_REG_SIZE 0x400
/*
* GSI_BASE is hard-coded with 64 in linux kernel, else kernel fails to boot
--
2.25.1
- [PATCH v1 00/17] Add boot LoongArch elf kernel with FDT, Song Gao, 2023/12/08
- [PATCH v1 02/17] hw/loongarch: Add load initrd, Song Gao, 2023/12/08
- [PATCH v1 05/17] hw/loongarch: Init efi_system_table, Song Gao, 2023/12/08
- [PATCH v1 01/17] hw/loongarch: Move boot fucntions to boot.c, Song Gao, 2023/12/08
- [PATCH v1 08/17] hw/loongarch: Init efi_fdt table, Song Gao, 2023/12/08
- [PATCH v1 04/17] hw/loongarch: Add slave cpu boot_code, Song Gao, 2023/12/08
- [PATCH v1 07/17] hw/loongarch: Init efi_initrd table, Song Gao, 2023/12/08
- [PATCH v1 03/17] hw/loongarch: Add init_cmdline, Song Gao, 2023/12/08
- [PATCH v1 06/17] hw/loongarch: Init efi_boot_memmap table, Song Gao, 2023/12/08
- [PATCH v1 10/17] hw/loongarch: fdt adds cpu interrupt controller node, Song Gao, 2023/12/08
- [PATCH v1 12/17] hw/loongarch: fdt adds pch_pic Controller,
Song Gao <=
- [PATCH v1 13/17] hw/loongarch: fdt adds pch_msi Controller, Song Gao, 2023/12/08
- [PATCH v1 17/17] hw/loongarch: Add cells missing from rtc node, Song Gao, 2023/12/08
- [PATCH v1 14/17] hw/loongarch: fdt adds pcie irq_map node, Song Gao, 2023/12/08
- [PATCH v1 15/17] hw/loongarch: fdt remove unused irqchip node, Song Gao, 2023/12/08
- [PATCH v1 11/17] hw/loongarch: fdt adds Extend I/O Interrupt Controller, Song Gao, 2023/12/08
- [PATCH v1 16/17] hw/loongarch: Add cells missing from uart node, Song Gao, 2023/12/08
- [PATCH v1 09/17] hw/loongarch: Fix fdt memory node wrong 'reg', Song Gao, 2023/12/08