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Diffstat (limited to 'arch/mips/wrppmc/irq.c')
-rw-r--r--arch/mips/wrppmc/irq.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/mips/wrppmc/irq.c b/arch/mips/wrppmc/irq.c
deleted file mode 100644
index f237bf4d5c3a..000000000000
--- a/arch/mips/wrppmc/irq.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * irq.c: GT64120 Interrupt Controller
- *
- * Copyright (C) 2006, Wind River System Inc.
- * Author: Rongkai.Zhan, <rongkai.zhan@windriver.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/hardirq.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/gt64120.h>
-#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
-
- if (pending & STATUSF_IP7)
- do_IRQ(WRPPMC_MIPS_TIMER_IRQ); /* CPU Compare/Count internal timer */
- else if (pending & STATUSF_IP6)
- do_IRQ(WRPPMC_UART16550_IRQ); /* UART 16550 port */
- else if (pending & STATUSF_IP3)
- do_IRQ(WRPPMC_PCI_INTA_IRQ); /* PCI INT_A */
- else
- spurious_interrupt();
-}
-
-/**
- * Initialize GT64120 Interrupt Controller
- */
-void gt64120_init_pic(void)
-{
- /* clear CPU Interrupt Cause Registers */
- GT_WRITE(GT_INTRCAUSE_OFS, (0x1F << 21));
- GT_WRITE(GT_HINTRCAUSE_OFS, 0x00);
-
- /* Disable all interrupts from GT64120 bridge chip */
- GT_WRITE(GT_INTRMASK_OFS, 0x00);
- GT_WRITE(GT_HINTRMASK_OFS, 0x00);
- GT_WRITE(GT_PCI0_ICMASK_OFS, 0x00);
- GT_WRITE(GT_PCI0_HICMASK_OFS, 0x00);
-}
-
-void __init arch_init_irq(void)
-{
- /* IRQ 0 - 7 are for MIPS common irq_cpu controller */
- mips_cpu_irq_init();
-
- gt64120_init_pic();
-}