motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 16:23:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/intc: Add LoongArch ls7a interrupt controller support(PCH-PIC)

Browse source 
This patch realize the PCH-PIC interrupt controller.

Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-33-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Xiaojuan Yang 2022-06-06 20:43:22 +08:00 • committed by Richard Henderson
parent f6783e3438
commit 0f4fcf1845
8 changed files with 546 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

30
include/hw/pci-host/ls7a.h Normal file
View file

@ -0,0 +1,30 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* QEMU LoongArch CPU
*
* Copyright (c) 2021 Loongson Technology Corporation Limited
*/
#ifndef HW_LS7A_H
#define HW_LS7A_H
#include "hw/pci/pci.h"
#include "hw/pci/pcie_host.h"
#include "hw/pci-host/pam.h"
#include "qemu/units.h"
#include "qemu/range.h"
#include "qom/object.h"
#define LS7A_PCH_REG_BASE 0x10000000UL
#define LS7A_IOAPIC_REG_BASE (LS7A_PCH_REG_BASE)
#define LS7A_PCH_MSI_ADDR_LOW 0x2FF00000UL
/*
* According to the kernel pch irq start from 64 offset
* 0 ~ 16 irqs used for non-pci device while 16 ~ 64 irqs
* used for pci device.
*/
#define PCH_PIC_IRQ_OFFSET 64
#define LS7A_DEVICE_IRQS 16
#define LS7A_PCI_IRQS 48
#endif