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[ramips] share common INTC code

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17440 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2009-08-30 19:15:58 +00:00
parent b887a6d197
commit 60da4b4a94
14 changed files with 139 additions and 145 deletions
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52
target/linux/ramips/files/arch/mips/ralink/rt288x/irq.c
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@@ -17,6 +17,7 @@
#include <asm/irq_cpu.h>
#include <asm/mipsregs.h>
#include <asm/mach-ralink/common.h>
#include <asm/mach-ralink/rt288x.h>
#include <asm/mach-ralink/rt288x_regs.h>
@@ -24,7 +25,7 @@ static void rt288x_intc_irq_dispatch(void)
{
u32 pending;
pending = rt288x_intc_rr(INTC_REG_STATUS0);
pending = ramips_intc_get_status();
if (pending & RT2880_INTC_INT_TIMER0)
do_IRQ(RT2880_INTC_IRQ_TIMER0);
@@ -47,52 +48,6 @@ static void rt288x_intc_irq_dispatch(void)
spurious_interrupt();
}
static void rt288x_intc_irq_unmask(unsigned int irq)
{
irq -= RT288X_INTC_IRQ_BASE;
rt288x_intc_wr((1 << irq), INTC_REG_ENABLE);
}
static void rt288x_intc_irq_mask(unsigned int irq)
{
irq -= RT288X_INTC_IRQ_BASE;
rt288x_intc_wr((1 << irq), INTC_REG_DISABLE);
}
struct irq_chip rt288x_intc_irq_chip = {
.name = "RT288X INTC",
.unmask = rt288x_intc_irq_unmask,
.mask = rt288x_intc_irq_mask,
.mask_ack = rt288x_intc_irq_mask,
};
static struct irqaction rt288x_intc_irqaction = {
.handler = no_action,
.name = "cascade [RT288X INTC]",
};
static void __init rt288x_intc_irq_init(void)
{
int i;
/* disable all interrupts */
rt288x_intc_wr(~0, INTC_REG_DISABLE);
/* route all INTC interrupts to MIPS HW0 interrupt */
rt288x_intc_wr(0, INTC_REG_TYPE);
for (i = RT288X_INTC_IRQ_BASE;
i < RT288X_INTC_IRQ_BASE + RT288X_INTC_IRQ_COUNT; i++) {
irq_desc[i].status = IRQ_DISABLED;
set_irq_chip_and_handler(i, &rt288x_intc_irq_chip,
handle_level_irq);
}
setup_irq(RT288X_CPU_IRQ_INTC, &rt288x_intc_irqaction);
rt288x_intc_wr(RT2880_INTC_INT_GLOBAL, INTC_REG_ENABLE);
}
asmlinkage void plat_irq_dispatch(void)
{
unsigned long pending;
@@ -121,5 +76,6 @@ asmlinkage void plat_irq_dispatch(void)
void __init arch_init_irq(void)
{
mips_cpu_irq_init();
rt288x_intc_irq_init();
ramips_intc_irq_init(RT2880_INTC_BASE, RT288X_CPU_IRQ_INTC,
RT288X_INTC_IRQ_BASE);
}