aboutsummaryrefslogtreecommitdiffstats
path: root/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c')
-rw-r--r--package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c b/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c
deleted file mode 100644
index 157c6b3803..0000000000
--- a/package/linux/kernel-source/arch/mips/brcm-boards/generic/irq.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Generic interrupt control functions for Broadcom MIPS boards
- *
- * Copyright 2004, Broadcom Corporation
- * All Rights Reserved.
- *
- * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
- * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
- * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
- *
- * $Id$
- */
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-
-#include <asm/irq.h>
-#include <asm/mipsregs.h>
-#include <asm/gdb-stub.h>
-
-#define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5)
-
-extern asmlinkage void brcmIRQ(void);
-extern asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs);
-
-void
-brcm_irq_dispatch(struct pt_regs *regs)
-{
- u32 cause;
-
- cause = read_c0_cause() &
- read_c0_status() &
- CAUSEF_IP;
-
-#ifdef CONFIG_KERNPROF
- change_c0_status(cause | 1, 1);
-#else
- clear_c0_status(cause);
-#endif
-
- if (cause & CAUSEF_IP7)
- do_IRQ(7, regs);
- if (cause & CAUSEF_IP2)
- do_IRQ(2, regs);
- if (cause & CAUSEF_IP3)
- do_IRQ(3, regs);
- if (cause & CAUSEF_IP4)
- do_IRQ(4, regs);
- if (cause & CAUSEF_IP5)
- do_IRQ(5, regs);
- if (cause & CAUSEF_IP6)
- do_IRQ(6, regs);
-}
-
-static void
-enable_brcm_irq(unsigned int irq)
-{
- if (irq < 8)
- set_c0_status(1 << (irq + 8));
- else
- set_c0_status(IE_IRQ0);
-}
-
-static void
-disable_brcm_irq(unsigned int irq)
-{
- if (irq < 8)
- clear_c0_status(1 << (irq + 8));
- else
- clear_c0_status(IE_IRQ0);
-}
-
-static void
-ack_brcm_irq(unsigned int irq)
-{
- /* Already done in brcm_irq_dispatch */
-}
-
-static unsigned int
-startup_brcm_irq(unsigned int irq)
-{
- enable_brcm_irq(irq);
-
- return 0; /* never anything pending */
-}
-
-static void
-end_brcm_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_brcm_irq(irq);
-}
-
-static struct hw_interrupt_type brcm_irq_type = {
- typename: "MIPS",
- startup: startup_brcm_irq,
- shutdown: disable_brcm_irq,
- enable: enable_brcm_irq,
- disable: disable_brcm_irq,
- ack: ack_brcm_irq,
- end: end_brcm_irq,
- NULL
-};
-
-void __init
-init_IRQ(void)
-{
- int i;
-
- for (i = 0; i < NR_IRQS; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
- irq_desc[i].handler = &brcm_irq_type;
- }
-
- set_except_vector(0, brcmIRQ);
- change_c0_status(ST0_IM, ALLINTS);
-
-#ifdef CONFIG_REMOTE_DEBUG
- printk("Breaking into debugger...\n");
- set_debug_traps();
- breakpoint();
-#endif
-}