[MIPS] Cleanup TX39/TX49 irq code
Cleanup jmr3927, tx4927 and tx4938 irq codes, using common IRQ_CPU,
I8259 and IRQ_TXX9 irq routines.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/jmr3927/rbhma3100/irq.c b/arch/mips/jmr3927/rbhma3100/irq.c
index 1187b44..d9efe69 100644
--- a/arch/mips/jmr3927/rbhma3100/irq.c
+++ b/arch/mips/jmr3927/rbhma3100/irq.c
@@ -45,9 +45,6 @@
#error JMR3927_IRQ_END > NR_IRQS
#endif
-#define irc_dlevel 0
-#define irc_elevel 1
-
static unsigned char irc_level[TX3927_NUM_IR] = {
5, 5, 5, 5, 5, 5, /* INT[5:0] */
7, 7, /* SIO */
@@ -80,34 +77,6 @@
(void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR);
}
-static void mask_irq_irc(unsigned int irq)
-{
- unsigned int irq_nr = irq - JMR3927_IRQ_IRC;
- volatile unsigned long *ilrp = &tx3927_ircptr->ilr[irq_nr / 2];
- if (irq_nr & 1)
- *ilrp = (*ilrp & 0x00ff) | (irc_dlevel << 8);
- else
- *ilrp = (*ilrp & 0xff00) | irc_dlevel;
- /* update IRCSR */
- tx3927_ircptr->imr = 0;
- tx3927_ircptr->imr = irc_elevel;
- /* flush write buffer */
- (void)tx3927_ircptr->ssr;
-}
-
-static void unmask_irq_irc(unsigned int irq)
-{
- unsigned int irq_nr = irq - JMR3927_IRQ_IRC;
- volatile unsigned long *ilrp = &tx3927_ircptr->ilr[irq_nr / 2];
- if (irq_nr & 1)
- *ilrp = (*ilrp & 0x00ff) | (irc_level[irq_nr] << 8);
- else
- *ilrp = (*ilrp & 0xff00) | irc_level[irq_nr];
- /* update IRCSR */
- tx3927_ircptr->imr = 0;
- tx3927_ircptr->imr = irc_elevel;
-}
-
asmlinkage void plat_irq_dispatch(void)
{
unsigned long cp0_cause = read_c0_cause();
@@ -168,10 +137,6 @@
/* clear PCI Reset interrupts */
jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
- /* enable interrupt control */
- tx3927_ircptr->cer = TX3927_IRCER_ICE;
- tx3927_ircptr->imr = irc_elevel;
-
jmr3927_irq_init();
/* setup IOC interrupt 1 (PCI, MODEM) */
@@ -193,20 +158,13 @@
.unmask = unmask_irq_ioc,
};
-static struct irq_chip jmr3927_irq_irc = {
- .name = "jmr3927_irc",
- .ack = mask_irq_irc,
- .mask = mask_irq_irc,
- .mask_ack = mask_irq_irc,
- .unmask = unmask_irq_irc,
-};
-
static void __init jmr3927_irq_init(void)
{
u32 i;
- for (i = JMR3927_IRQ_IRC; i < JMR3927_IRQ_IRC + JMR3927_NR_IRQ_IRC; i++)
- set_irq_chip_and_handler(i, &jmr3927_irq_irc, handle_level_irq);
+ 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);
}