From: LIU Qi <liuqi82@gmail.com>
To: Huacai Chen <chenhuacai@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
linux-mips@linux-mips.org, Fuxin Zhang <zhangfx@lemote.com>,
Zhangjin Wu <wuzhangjin@gmail.com>,
Huacai Chen <chenhc@lemote.com>, Hongliang Tao <taohl@lemote.com>,
Hua Yan <yanh@lemote.com>
Subject: Re: [PATCH 06/14] MIPS: Loongson 3: Add IRQ init and dispatch support.
Date: Fri, 15 Jun 2012 22:32:34 +0800 [thread overview]
Message-ID: <20120615143234.GB15800@gmail.com> (raw)
In-Reply-To: <1339747801-28691-7-git-send-email-chenhc@lemote.com>
On Fri, Jun 15, 2012 at 04:09:53PM +0800, Huacai Chen wrote:
> IRQ routing path of Loongson-3:
> Devices(most) --> I8259 --> HT Controller --> IRQ Routing Table --> CPU
> ^
> |
> Device(legacy devices such as UART) --> Bonito ---|
>
> IRQ Routing Table route 32 INTs to CPU's INT0~INT3(IP2~IP5 of CP0), 32
> INTs include 16 HT INTs(mostly), 4 PCI INTs, 1 LPC INT, etc. IP6 is used
> for IPI and IP7 is used for internal MIPS timer. LOONGSON_INT_ROUTER_*
> are IRQ Routing Table registers.
>
> I8259 IRQs are 1:1 mapped to HT1 INTs. LOONGSON_HT1_* are configuration
> registers of HT1 controller.
>
> Signed-off-by: Huacai Chen <chenhc@lemote.com>
> Signed-off-by: Hongliang Tao <taohl@lemote.com>
> Signed-off-by: Hua Yan <yanh@lemote.com>
> ---
> arch/mips/include/asm/mach-loongson/irq.h | 26 +++++++
> arch/mips/include/asm/mach-loongson/loongson.h | 9 +++
> arch/mips/loongson/Makefile | 6 ++
> arch/mips/loongson/loongson-3/Makefile | 4 +
> arch/mips/loongson/loongson-3/irq.c | 87 ++++++++++++++++++++++++
> 5 files changed, 132 insertions(+), 0 deletions(-)
> create mode 100644 arch/mips/include/asm/mach-loongson/irq.h
> create mode 100644 arch/mips/loongson/loongson-3/Makefile
> create mode 100644 arch/mips/loongson/loongson-3/irq.c
Fix the following compiling warning please:
CC drivers/input/serio/i8042.o
In file included from drivers/input/serio/i8042.h:32,
from drivers/input/serio/i8042.c:91:
drivers/input/serio/i8042-io.h:36:1: warning: "I8042_KBD_IRQ" redefined
In file included from
/home/liuqi/workspace/linux.git/arch/mips/include/asm/irq.h:18,
from include/linux/irq.h:27,
from include/asm-generic/hardirq.h:12,
from
/home/liuqi/workspace/linux.git/arch/mips/include/asm/hardirq.h:16,
from include/linux/hardirq.h:7,
from include/linux/interrupt.h:12,
from drivers/input/serio/i8042.c:18:
/home/liuqi/workspace/linux.git/arch/mips/include/asm/mach-loongson/irq.h:9:1: warning: this is the location of the previous definition
LIU Qi
next prev parent reply other threads:[~2012-06-15 14:32 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-15 8:09 [PATCH 00/14] MIPS: Add Loongson-3 based machines support Huacai Chen
2012-06-15 8:09 ` [PATCH 01/14] MIPS: Loongson: Add basic Loongson 3 CPU support Huacai Chen
2012-06-15 15:59 ` David Daney
2012-06-15 16:13 ` Ralf Baechle
2012-06-16 12:49 ` huacai chen
2012-06-15 8:09 ` [PATCH 02/14] MIPS: Loongson 3: Add Lemote-3A machtypes definition Huacai Chen
2012-06-15 8:09 ` [PATCH 03/14] MIPS: Loongson: Make Loongson 3 to use BCD format for RTC Huacai Chen
2012-06-15 8:09 ` [PATCH 04/14] MIPS: Loongson: Add UEFI-like firmware interface support Huacai Chen
2012-06-15 8:09 ` [PATCH 05/14] MIPS: Loongson 3: Add HT-linked PCI support Huacai Chen
2012-06-15 14:34 ` LIU Qi
2012-06-15 8:09 ` [PATCH 06/14] MIPS: Loongson 3: Add IRQ init and dispatch support Huacai Chen
2012-06-15 14:32 ` LIU Qi [this message]
2012-06-15 8:09 ` [PATCH 07/14] MIPS: Loongson 3: Add serial port support Huacai Chen
2012-06-15 9:50 ` Arnaud Patard
2012-06-15 11:44 ` huacai chen
2012-06-15 8:09 ` [PATCH 08/14] MIPS: Loongson: Add swiotlb to support big memory (>4GB) Huacai Chen
2012-06-15 8:09 ` [PATCH 09/14] ata: Use 32bit DMA in AHCI for Loongson 3 Huacai Chen
2012-06-15 10:04 ` Sergei Shtylyov
2012-06-15 12:42 ` huacai chen
2012-06-17 12:05 ` Borislav Petkov
2012-06-18 9:04 ` huacai chen
2012-06-18 10:10 ` Borislav Petkov
2012-06-18 10:41 ` Huacai Chen
2012-06-18 14:52 ` Borislav Petkov
2012-06-15 8:09 ` [PATCH 10/14] drm/radeon: Make radeon card usable for Loongson Huacai Chen
2012-06-15 14:28 ` LIU Qi
2012-06-15 8:09 ` [PATCH 11/14] ALSA: Make hda sound " Huacai Chen
2012-06-15 8:09 ` [PATCH 12/14] MIPS: Loongson 3: Add Loongson-3 SMP support Huacai Chen
2012-06-15 8:10 ` [PATCH 13/14] MIPS: Loongson 3: Add CPU Hotplug support Huacai Chen
2012-06-15 8:10 ` [PATCH 14/14] MIPS: Loongson: Add a Loongson 3 default config file Huacai Chen
2012-06-15 14:37 ` LIU Qi
2012-06-16 12:52 ` huacai chen
2012-06-15 13:10 ` [PATCH 00/14] MIPS: Add Loongson-3 based machines support LIU Qi
2012-06-16 12:46 ` huacai chen
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