ar71xx: add AR934x specific glue for IRQ initialization

Signed-off-by: Jaiganesh Narayanan <jnarayanan@atheros.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26510 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index 08317b4..12919f7 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
@@ -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();

diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index 0a31678..ab00d19 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -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)

diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/irq.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/irq.h
index 2197a10..c61d9c7 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/irq.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/irq.h
@@ -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>