X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/488a32cc9bb1febbbe4bc2bae804827cbeb9e27e..17c7b6c3fdc48301e50d22cc6138ede16bd1be24:/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
index 8345a31eb..000000000
--- 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		= SA_INTERRUPT,
-	.name		= "ar5312_ahb_proc_interrupt",
-};
-
-
-static struct irqaction cascade  = {
-	.handler	= no_action,
-	.flags		= SA_INTERRUPT,
-	.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);
-}
-
-