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ar71xx: add AR934x specific glue for IRQ initialization

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Signed-off-by: Jaiganesh Narayanan <jnarayanan@atheros.com>

SVN-Revision: 26510
This commit is contained in:
Gabor Juhos 2011-04-07 20:52:49 +00:00
parent 3b209880bc
commit 91470edada
3 changed files with 48 additions and 5 deletions
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29
target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
View file

@ -1,10 +1,12 @@
/*
* Atheros AR71xx SoC specific interrupt handling
*
* Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* Parts of this file are based on Atheros' 2.6.15 BSP
* Parts of this file are based on Atheros 2.6.15 BSP
* Parts of this file are based on Atheros 2.6.31 BSP
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
@ -146,6 +148,21 @@ static void ar71xx_misc_irq_dispatch(void)
else if (pending & MISC_INT_WDOG)
do_IRQ(AR71XX_MISC_IRQ_WDOG);
else if (pending & MISC_INT_TIMER2)
do_IRQ(AR71XX_MISC_IRQ_TIMER2);
else if (pending & MISC_INT_TIMER3)
do_IRQ(AR71XX_MISC_IRQ_TIMER3);
else if (pending & MISC_INT_TIMER4)
do_IRQ(AR71XX_MISC_IRQ_TIMER4);
else if (pending & MISC_INT_DDR_PERF)
do_IRQ(AR71XX_MISC_IRQ_DDR_PERF);
else if (pending & MISC_INT_ENET_LINK)
do_IRQ(AR71XX_MISC_IRQ_ENET_LINK);
else
spurious_interrupt();
}
@ -215,6 +232,9 @@ static void __init ar71xx_misc_irq_init(void)
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
case AR71XX_SOC_AR9341:
case AR71XX_SOC_AR9342:
case AR71XX_SOC_AR9344:
ar71xx_misc_irq_chip.ack = ar724x_misc_irq_ack;
break;
default:
@ -281,10 +301,17 @@ void __init arch_init_irq(void)
case AR71XX_SOC_AR9132:
ip2_flush_reg = AR91XX_DDR_REG_FLUSH_WMAC;
break;
case AR71XX_SOC_AR9341:
case AR71XX_SOC_AR9342:
case AR71XX_SOC_AR9344:
ip2_flush_reg = AR934X_DDR_REG_FLUSH_PCIE;
break;
default:
ip2_flush_reg = AR71XX_DDR_REG_FLUSH_PCI;
break;
}
mips_cpu_irq_init();
ar71xx_misc_irq_init();

22
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
View file

@ -75,10 +75,10 @@
#define AR71XX_CPU_IRQ_BASE 0
#define AR71XX_MISC_IRQ_BASE 8
#define AR71XX_MISC_IRQ_COUNT 8
#define AR71XX_GPIO_IRQ_BASE 16
#define AR71XX_MISC_IRQ_COUNT 32
#define AR71XX_GPIO_IRQ_BASE 40
#define AR71XX_GPIO_IRQ_COUNT 32
#define AR71XX_PCI_IRQ_BASE 48
#define AR71XX_PCI_IRQ_BASE 72
#define AR71XX_PCI_IRQ_COUNT 8
#define AR71XX_CPU_IRQ_IP2 (AR71XX_CPU_IRQ_BASE + 2)
@ -96,6 +96,11 @@
#define AR71XX_MISC_IRQ_PERFC (AR71XX_MISC_IRQ_BASE + 5)
#define AR71XX_MISC_IRQ_OHCI (AR71XX_MISC_IRQ_BASE + 6)
#define AR71XX_MISC_IRQ_DMA (AR71XX_MISC_IRQ_BASE + 7)
#define AR71XX_MISC_IRQ_TIMER2 (AR71XX_MISC_IRQ_BASE + 8)
#define AR71XX_MISC_IRQ_TIMER3 (AR71XX_MISC_IRQ_BASE + 9)
#define AR71XX_MISC_IRQ_TIMER4 (AR71XX_MISC_IRQ_BASE + 10)
#define AR71XX_MISC_IRQ_DDR_PERF (AR71XX_MISC_IRQ_BASE + 11)
#define AR71XX_MISC_IRQ_ENET_LINK (AR71XX_MISC_IRQ_BASE + 12)
#define AR71XX_GPIO_IRQ(_x) (AR71XX_GPIO_IRQ_BASE + (_x))
@ -465,6 +470,12 @@ void ar71xx_gpio_function_setup(u32 set, u32 clear);
#define AR91XX_DDR_REG_FLUSH_USB 0x84
#define AR91XX_DDR_REG_FLUSH_WMAC 0x88
#define AR934X_DDR_REG_FLUSH_GE0 0x9c
#define AR934X_DDR_REG_FLUSH_GE1 0xa0
#define AR934X_DDR_REG_FLUSH_USB 0xa4
#define AR934X_DDR_REG_FLUSH_PCIE 0xa8
#define PCI_WIN0_OFFS 0x10000000
#define PCI_WIN1_OFFS 0x11000000
#define PCI_WIN2_OFFS 0x12000000
@ -564,6 +575,11 @@ void ar71xx_ddr_flush(u32 reg);
#define WDOG_CTRL_ACTION_NMI 2 /* NMI */
#define WDOG_CTRL_ACTION_FCR 3 /* full chip reset */
#define MISC_INT_ENET_LINK BIT(12)
#define MISC_INT_DDR_PERF BIT(11)
#define MISC_INT_TIMER4 BIT(10)
#define MISC_INT_TIMER3 BIT(9)
#define MISC_INT_TIMER2 BIT(8)
#define MISC_INT_DMA BIT(7)
#define MISC_INT_OHCI BIT(6)
#define MISC_INT_PERFC BIT(5)

2
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/irq.h
View file

@ -10,7 +10,7 @@
#define __ASM_MACH_AR71XX_IRQ_H
#define MIPS_CPU_IRQ_BASE 0
#define NR_IRQS 56
#define NR_IRQS 80
#include_next <irq.h>