[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v3 13/17] hw/loongarch: fdt adds pch_msi Controller
From: |
Song Gao |
Subject: |
[PATCH v3 13/17] hw/loongarch: fdt adds pch_msi Controller |
Date: |
Wed, 27 Dec 2023 16:08:17 +0800 |
fdt adds pch msi controller, we use 'loongson,pch-msi-1.0'.
See:
drivers/irqchip/irq-loongson-pch-msi.c
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
hw/loongarch/virt.c | 33 ++++++++++++++++++++++++++++++++-
include/hw/pci-host/ls7a.h | 1 +
2 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 455180db99..3b300187b2 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -150,6 +150,34 @@ static void fdt_add_pch_pic_node(LoongArchMachineState
*lams,
g_free(nodename);
}
+static void fdt_add_pch_msi_node(LoongArchMachineState *lams,
+ uint32_t *eiointc_phandle,
+ uint32_t *pch_msi_phandle)
+{
+ MachineState *ms = MACHINE(lams);
+ char *nodename;
+ hwaddr pch_msi_base = VIRT_PCH_MSI_ADDR_LOW;
+ hwaddr pch_msi_size = VIRT_PCH_MSI_SIZE;
+
+ *pch_msi_phandle = qemu_fdt_alloc_phandle(ms->fdt);
+ nodename = g_strdup_printf("/msi@%" PRIx64, pch_msi_base);
+ qemu_fdt_add_subnode(ms->fdt, nodename);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "phandle", *pch_msi_phandle);
+ qemu_fdt_setprop_string(ms->fdt, nodename, "compatible",
+ "loongson,pch-msi-1.0");
+ qemu_fdt_setprop_cells(ms->fdt, nodename, "reg",
+ 0, pch_msi_base,
+ 0, pch_msi_size);
+ qemu_fdt_setprop(ms->fdt, nodename, "interrupt-controller", NULL, 0);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent",
+ *eiointc_phandle);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "loongson,msi-base-vec",
+ VIRT_PCH_PIC_IRQ_NUM);
+ qemu_fdt_setprop_cell(ms->fdt, nodename, "loongson,msi-num-vecs",
+ EXTIOI_IRQS - VIRT_PCH_PIC_IRQ_NUM);
+ g_free(nodename);
+}
+
static void fdt_add_flash_node(LoongArchMachineState *lams)
{
MachineState *ms = MACHINE(lams);
@@ -560,7 +588,7 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
CPULoongArchState *env;
CPUState *cpu_state;
int cpu, pin, i, start, num;
- uint32_t cpuintc_phandle, eiointc_phandle, pch_pic_phandle;
+ uint32_t cpuintc_phandle, eiointc_phandle, pch_pic_phandle,
pch_msi_phandle;
extioi = qdev_new(TYPE_LOONGARCH_EXTIOI);
sysbus_realize_and_unref(SYS_BUS_DEVICE(extioi), &error_fatal);
@@ -671,6 +699,9 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
qdev_get_gpio_in(extioi, i + start));
}
+ /* Add PCH MSI node */
+ fdt_add_pch_msi_node(lams, &eiointc_phandle, &pch_msi_phandle);
+
loongarch_devices_init(pch_pic, lams);
}
diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h
index fe260f0183..cd7c9ec7bc 100644
--- a/include/hw/pci-host/ls7a.h
+++ b/include/hw/pci-host/ls7a.h
@@ -25,6 +25,7 @@
#define VIRT_IOAPIC_REG_BASE (VIRT_PCH_REG_BASE)
#define VIRT_PCH_MSI_ADDR_LOW 0x2FF00000UL
#define VIRT_PCH_REG_SIZE 0x400
+#define VIRT_PCH_MSI_SIZE 0x8
/*
* GSI_BASE is hard-coded with 64 in linux kernel, else kernel fails to boot
--
2.25.1
- [PATCH v3 05/17] hw/loongarch: Init efi_system_table, (continued)
- [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
- [PATCH v3 14/17] hw/loongarch: fdt adds pcie irq_map node, Song Gao, 2023/12/27
- [PATCH v3 16/17] hw/loongarch: Add cells missing from uart node, Song Gao, 2023/12/27
- [PATCH v3 13/17] hw/loongarch: fdt adds pch_msi Controller,
Song Gao <=
- [PATCH v3 17/17] hw/loongarch: Add cells missing from rtc node, Song Gao, 2023/12/27
- [PATCH v3 12/17] hw/loongarch: fdt adds pch_pic Controller, Song Gao, 2023/12/27
- [PATCH v3 15/17] hw/loongarch: fdt remove unused irqchip node, Song Gao, 2023/12/27