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Diffstat (limited to 'arch/mips/txx9/jmr3927/irq.c')
-rw-r--r--arch/mips/txx9/jmr3927/irq.c65
1 files changed, 11 insertions, 54 deletions
diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c
index 070c9a115e5..6ec626c9473 100644
--- a/arch/mips/txx9/jmr3927/irq.c
+++ b/arch/mips/txx9/jmr3927/irq.c
@@ -30,15 +30,11 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
-#include <linux/sched.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <asm/io.h>
#include <asm/mipsregs.h>
-#include <asm/system.h>
-
-#include <asm/processor.h>
#include <asm/txx9/generic.h>
#include <asm/txx9/jmr3927.h>
@@ -46,13 +42,6 @@
#error JMR3927_IRQ_END > NR_IRQS
#endif
-static unsigned char irc_level[TX3927_NUM_IR] = {
- 5, 5, 5, 5, 5, 5, /* INT[5:0] */
- 7, 7, /* SIO */
- 5, 5, 5, 0, 0, /* DMA, PIO, PCI */
- 6, 6, 6 /* TMR */
-};
-
/*
* CP0_STATUS is a thread's resource (saved/restored on context switch).
* So disable_irq/enable_irq MUST handle IOC/IRC registers.
@@ -103,26 +92,18 @@ static int jmr3927_irq_dispatch(int pending)
return irq;
}
-#ifdef CONFIG_PCI
-static irqreturn_t jmr3927_pcierr_interrupt(int irq, void *dev_id)
-{
- printk(KERN_WARNING "PCI error interrupt (irq 0x%x).\n", irq);
- printk(KERN_WARNING "pcistat:%02x, lbstat:%04lx\n",
- tx3927_pcicptr->pcistat, tx3927_pcicptr->lbstat);
-
- return IRQ_HANDLED;
-}
-static struct irqaction pcierr_action = {
- .handler = jmr3927_pcierr_interrupt,
- .mask = CPU_MASK_NONE,
- .name = "PCI error",
+static struct irq_chip jmr3927_irq_ioc = {
+ .name = "jmr3927_ioc",
+ .ack = mask_irq_ioc,
+ .mask = mask_irq_ioc,
+ .mask_ack = mask_irq_ioc,
+ .unmask = unmask_irq_ioc,
};
-#endif
-
-static void __init jmr3927_irq_init(void);
void __init jmr3927_irq_setup(void)
{
+ int i;
+
txx9_irq_dispatch = jmr3927_irq_dispatch;
/* Now, interrupt control disabled, */
/* all IRC interrupts are masked, */
@@ -138,34 +119,10 @@ void __init jmr3927_irq_setup(void)
/* clear PCI Reset interrupts */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
- jmr3927_irq_init();
+ tx3927_irq_init();
+ for (i = JMR3927_IRQ_IOC; i < JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC; i++)
+ set_irq_chip_and_handler(i, &jmr3927_irq_ioc, handle_level_irq);
/* setup IOC interrupt 1 (PCI, MODEM) */
set_irq_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq);
-
-#ifdef CONFIG_PCI
- setup_irq(JMR3927_IRQ_IRC_PCI, &pcierr_action);
-#endif
-
- /* enable all CPU interrupt bits. */
- set_c0_status(ST0_IM); /* IE bit is still 0. */
-}
-
-static struct irq_chip jmr3927_irq_ioc = {
- .name = "jmr3927_ioc",
- .ack = mask_irq_ioc,
- .mask = mask_irq_ioc,
- .mask_ack = mask_irq_ioc,
- .unmask = unmask_irq_ioc,
-};
-
-static void __init jmr3927_irq_init(void)
-{
- u32 i;
-
- txx9_irq_init(TX3927_IRC_REG);
- for (i = 0; i < TXx9_MAX_IR; i++)
- txx9_irq_set_pri(i, irc_level[i]);
- for (i = JMR3927_IRQ_IOC; i < JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC; i++)
- set_irq_chip_and_handler(i, &jmr3927_irq_ioc, handle_level_irq);
}