- 根目录:
- arch
- sh
- boards
- mach-highlander
- irq-r7785rp.c
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <mach/highlander.h>
enum {
UNUSED = 0,
CF,
SMBUS,
TP,
RTC,
TH_ALERT,
AX88796,
EXT0, EXT1, EXT2, EXT3, EXT4, EXT5, EXT6, EXT7,
};
static struct intc_vect vectors[] __initdata = {
INTC_IRQ(CF, IRQ_CF),
INTC_IRQ(SMBUS, IRQ_SMBUS),
INTC_IRQ(TP, IRQ_TP),
INTC_IRQ(RTC, IRQ_RTC),
INTC_IRQ(TH_ALERT, IRQ_TH_ALERT),
INTC_IRQ(EXT0, IRQ_EXT0), INTC_IRQ(EXT1, IRQ_EXT1),
INTC_IRQ(EXT2, IRQ_EXT2), INTC_IRQ(EXT3, IRQ_EXT3),
INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
INTC_IRQ(EXT6, IRQ_EXT6), INTC_IRQ(EXT7, IRQ_EXT7),
INTC_IRQ(AX88796, IRQ_AX88796),
};
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0xa4000010, 0, 16,
{ 0, 0, 0, 0, CF, AX88796, SMBUS, TP,
RTC, 0, TH_ALERT, 0, 0, 0, 0, 0 } },
{ 0xa4000012, 0, 16,
{ 0, 0, 0, 0, 0, 0, 0, 0,
EXT7, EXT6, EXT5, EXT4, EXT3, EXT2, EXT1, EXT0 } },
};
static unsigned char irl2irq[HL_NR_IRL] __initdata = {
0, IRQ_CF, IRQ_EXT4, IRQ_EXT5,
IRQ_EXT6, IRQ_EXT7, IRQ_SMBUS, IRQ_TP,
IRQ_RTC, IRQ_TH_ALERT, IRQ_AX88796, IRQ_EXT0,
IRQ_EXT1, IRQ_EXT2, IRQ_EXT3,
};
static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
NULL, mask_registers, NULL, NULL);
unsigned char * __init highlander_plat_irq_setup(void)
{
if ((__raw_readw(0xa4000158) & 0xf000) != 0x1000)
return NULL;
printk(KERN_INFO "Using r7785rp interrupt controller.\n");
__raw_writew(0x0000, PA_IRLSSR1);
__raw_writew(0x0000, PA_IRLPRA);
__raw_writew(0xe598, PA_IRLPRB);
__raw_writew(0x7060, PA_IRLPRC);
__raw_writew(0x0000, PA_IRLPRD);
__raw_writew(0x4321, PA_IRLPRE);
__raw_writew(0xdcba, PA_IRLPRF);
register_intc_controller(&intc_desc);
return irl2irq;
}
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