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Diffstat (limited to 'arch/mips/tx4938/toshiba_rbtx4938/irq.c')
-rw-r--r--arch/mips/tx4938/toshiba_rbtx4938/irq.c46
1 files changed, 10 insertions, 36 deletions
diff --git a/arch/mips/tx4938/toshiba_rbtx4938/irq.c b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
index f001850..4d6a8dc 100644
--- a/arch/mips/tx4938/toshiba_rbtx4938/irq.c
+++ b/arch/mips/tx4938/toshiba_rbtx4938/irq.c
@@ -67,24 +67,7 @@ IRQ Device
63 RBTX4938-IOC/07 SWINT
*/
#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/timex.h>
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/wbflush.h>
-#include <linux/bootmem.h>
#include <asm/tx4938/rbtx4938.h>
static void toshiba_rbtx4938_irq_ioc_enable(unsigned int irq);
@@ -99,21 +82,16 @@ static struct irq_chip toshiba_rbtx4938_irq_ioc_type = {
.unmask = toshiba_rbtx4938_irq_ioc_enable,
};
-#define TOSHIBA_RBTX4938_IOC_INTR_ENAB 0xb7f02000
-#define TOSHIBA_RBTX4938_IOC_INTR_STAT 0xb7f0200a
-
int
toshiba_rbtx4938_irq_nested(int sw_irq)
{
u8 level3;
- level3 = reg_rd08(TOSHIBA_RBTX4938_IOC_INTR_STAT) & 0xff;
- if (level3) {
+ level3 = readb(rbtx4938_imstat_addr);
+ if (level3)
/* must use fls so onboard ATA has priority */
sw_irq = TOSHIBA_RBTX4938_IRQ_IOC_BEG + fls(level3) - 1;
- }
- wbflush();
return sw_irq;
}
@@ -144,25 +122,23 @@ toshiba_rbtx4938_irq_ioc_init(void)
static void
toshiba_rbtx4938_irq_ioc_enable(unsigned int irq)
{
- volatile unsigned char v;
+ unsigned char v;
- v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
+ v = readb(rbtx4938_imask_addr);
v |= (1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
- TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
+ writeb(v, rbtx4938_imask_addr);
mmiowb();
- TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
}
static void
toshiba_rbtx4938_irq_ioc_disable(unsigned int irq)
{
- volatile unsigned char v;
+ unsigned char v;
- v = TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
+ v = readb(rbtx4938_imask_addr);
v &= ~(1 << (irq - TOSHIBA_RBTX4938_IRQ_IOC_BEG));
- TX4938_WR08(TOSHIBA_RBTX4938_IOC_INTR_ENAB, v);
+ writeb(v, rbtx4938_imask_addr);
mmiowb();
- TX4938_RD08(TOSHIBA_RBTX4938_IOC_INTR_ENAB);
}
void __init arch_init_irq(void)
@@ -174,14 +150,12 @@ void __init arch_init_irq(void)
/* all IRC interrupt mode are Low Active. */
/* mask all IOC interrupts */
- *rbtx4938_imask_ptr = 0;
+ writeb(0, rbtx4938_imask_addr);
/* clear SoftInt interrupts */
- *rbtx4938_softint_ptr = 0;
+ writeb(0, rbtx4938_softint_addr);
tx4938_irq_init();
toshiba_rbtx4938_irq_ioc_init();
/* Onboard 10M Ether: High Active */
set_irq_type(RBTX4938_IRQ_ETHER, IRQF_TRIGGER_HIGH);
-
- wbflush();
}