strip the kernel version suffix from target directories, except for brcm-2.4 (the...

[openwrt.git] / target / linux / atheros-2.6 / files / arch / mips / atheros / ar5312 / irq.c

diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/irq.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/irq.c
deleted file mode 100644 (file)
index c5062ba..0000000
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5312/irq.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 Atheros Communications, Inc.,  All Rights Reserved.
- * Copyright (C) 2006 FON Technology, SL.
- * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- */
-
-/*
- * Platform devices for Atheros SoCs
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/reboot.h>
-#include <asm/bootinfo.h>
-#include <asm/time.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include "../ar531x.h"
-
-/*
- * Called when an interrupt is received, this function
- * determines exactly which interrupt it was, and it
- * invokes the appropriate handler.
- *
- * Implicitly, we also define interrupt priority by
- * choosing which to dispatch first.
- */
-asmlinkage void ar5312_irq_dispatch(void)
-{
-       int pending = read_c0_status() & read_c0_cause();
-
-       if (pending & CAUSEF_IP2)
-               do_IRQ(AR5312_IRQ_WLAN0_INTRS);
-       else if (pending & CAUSEF_IP3)
-               do_IRQ(AR5312_IRQ_ENET0_INTRS);
-       else if (pending & CAUSEF_IP4)
-               do_IRQ(AR5312_IRQ_ENET1_INTRS);
-       else if (pending & CAUSEF_IP5)
-               do_IRQ(AR5312_IRQ_WLAN1_INTRS);
-       else if (pending & CAUSEF_IP6) {
-               unsigned int ar531x_misc_intrs = sysRegRead(AR531X_ISR) & sysRegRead(AR531X_IMR);
-
-               if (ar531x_misc_intrs & AR531X_ISR_TIMER) {
-                       do_IRQ(AR531X_MISC_IRQ_TIMER);
-                       (void)sysRegRead(AR531X_TIMER);
-               } else if (ar531x_misc_intrs & AR531X_ISR_AHBPROC)
-                       do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
-               else if ((ar531x_misc_intrs & AR531X_ISR_UART0))
-                       do_IRQ(AR531X_MISC_IRQ_UART0);
-               else if (ar531x_misc_intrs & AR531X_ISR_WD)
-                       do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
-               else
-                       do_IRQ(AR531X_MISC_IRQ_NONE);
-       } else if (pending & CAUSEF_IP7) {
-               do_IRQ(AR531X_IRQ_CPU_CLOCK);
-       }
-       else
-               do_IRQ(AR531X_IRQ_NONE);
-}
-
-
-/* Enable the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5312_misc_intr_enable(unsigned int irq)
-{
-       unsigned int imr;
-
-       imr = sysRegRead(AR531X_IMR);
-       imr |= (1 << (irq - AR531X_MISC_IRQ_BASE - 1));
-       sysRegWrite(AR531X_IMR, imr);
-       sysRegRead(AR531X_IMR); /* flush write buffer */
-}
-
-/* Disable the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5312_misc_intr_disable(unsigned int irq)
-{
-       unsigned int imr;
-
-       imr = sysRegRead(AR531X_IMR);
-       imr &= ~(1 << (irq - AR531X_MISC_IRQ_BASE - 1));
-       sysRegWrite(AR531X_IMR, imr);
-       sysRegRead(AR531X_IMR); /* flush write buffer */
-}
-
-/* Turn on the specified AR531X_MISC_IRQ interrupt */
-static unsigned int
-ar5312_misc_intr_startup(unsigned int irq)
-{
-       ar5312_misc_intr_enable(irq);
-       return 0;
-}
-
-/* Turn off the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5312_misc_intr_shutdown(unsigned int irq)
-{
-       ar5312_misc_intr_disable(irq);
-}
-
-static void
-ar5312_misc_intr_ack(unsigned int irq)
-{
-       ar5312_misc_intr_disable(irq);
-}
-
-static void
-ar5312_misc_intr_end(unsigned int irq)
-{
-       if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-               ar5312_misc_intr_enable(irq);
-}
-
-static struct irq_chip ar5312_misc_intr_controller = {
-       .typename       = "AR5312 misc",
-       .startup        = ar5312_misc_intr_startup,
-       .shutdown       = ar5312_misc_intr_shutdown,
-       .enable         = ar5312_misc_intr_enable,
-       .disable        = ar5312_misc_intr_disable,
-       .ack            = ar5312_misc_intr_ack,
-       .end            = ar5312_misc_intr_end,
-};
-
-static irqreturn_t ar5312_ahb_proc_handler(int cpl, void *dev_id)
-{
-       u32 proc1 = sysRegRead(AR531X_PROC1);
-       u32 procAddr = sysRegRead(AR531X_PROCADDR); /* clears error state */
-       u32 dma1 = sysRegRead(AR531X_DMA1);
-       u32 dmaAddr = sysRegRead(AR531X_DMAADDR);   /* clears error state */
-
-       printk("AHB interrupt: PROCADDR=0x%8.8x  PROC1=0x%8.8x  DMAADDR=0x%8.8x  DMA1=0x%8.8x\n",
-                       procAddr, proc1, dmaAddr, dma1);
-               
-       machine_restart("AHB error"); /* Catastrophic failure */
-       return IRQ_HANDLED;
-}
-
-
-static struct irqaction ar5312_ahb_proc_interrupt  = {
-       .handler        = ar5312_ahb_proc_handler,
-       .flags          = IRQF_DISABLED,
-       .name           = "ar5312_ahb_proc_interrupt",
-};
-
-
-static struct irqaction cascade  = {
-       .handler        = no_action,
-       .flags          = IRQF_DISABLED,
-       .name           = "cascade",
-};
-
-void __init ar5312_misc_intr_init(int irq_base)
-{
-       int i;
-
-       for (i = irq_base; i < irq_base + AR531X_MISC_IRQ_COUNT; i++) {
-               irq_desc[i].status = IRQ_DISABLED;
-               irq_desc[i].action = NULL;
-               irq_desc[i].depth = 1;
-               irq_desc[i].chip = &ar5312_misc_intr_controller;
-       }
-       setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5312_ahb_proc_interrupt);
-       setup_irq(AR5312_IRQ_MISC_INTRS, &cascade);
-}
-
-