75 строки
1.9 KiB
C
75 строки
1.9 KiB
C
/*
|
|
* Renesas Solutions Highlander R7780MP Support.
|
|
*
|
|
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
|
|
* Copyright (C) 2006 Paul Mundt
|
|
* Copyright (C) 2007 Magnus Damm
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
#include <linux/init.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/io.h>
|
|
#include <mach/highlander.h>
|
|
|
|
enum {
|
|
UNUSED = 0,
|
|
|
|
/* board specific interrupt sources */
|
|
CF, /* Compact Flash */
|
|
TP, /* Touch panel */
|
|
SCIF1, /* FPGA SCIF1 */
|
|
SCIF0, /* FPGA SCIF0 */
|
|
SMBUS, /* SMBUS */
|
|
RTC, /* RTC Alarm */
|
|
AX88796, /* Ethernet controller */
|
|
PSW, /* Push Switch */
|
|
|
|
/* external bus connector */
|
|
EXT1, EXT2, EXT4, EXT5, EXT6,
|
|
};
|
|
|
|
static struct intc_vect vectors[] __initdata = {
|
|
INTC_IRQ(CF, IRQ_CF),
|
|
INTC_IRQ(TP, IRQ_TP),
|
|
INTC_IRQ(SCIF1, IRQ_SCIF1),
|
|
INTC_IRQ(SCIF0, IRQ_SCIF0),
|
|
INTC_IRQ(SMBUS, IRQ_SMBUS),
|
|
INTC_IRQ(RTC, IRQ_RTC),
|
|
INTC_IRQ(AX88796, IRQ_AX88796),
|
|
INTC_IRQ(PSW, IRQ_PSW),
|
|
|
|
INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2),
|
|
INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
|
|
INTC_IRQ(EXT6, IRQ_EXT6),
|
|
};
|
|
|
|
static struct intc_mask_reg mask_registers[] __initdata = {
|
|
{ 0xa4000000, 0, 16, /* IRLMSK */
|
|
{ SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS,
|
|
0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } },
|
|
};
|
|
|
|
static unsigned char irl2irq[HL_NR_IRL] __initdata = {
|
|
0, IRQ_CF, IRQ_TP, IRQ_SCIF1,
|
|
IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6,
|
|
IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1,
|
|
0, IRQ_AX88796, IRQ_PSW,
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
|
|
NULL, mask_registers, NULL, NULL);
|
|
|
|
unsigned char * __init highlander_plat_irq_setup(void)
|
|
{
|
|
if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
|
|
printk(KERN_INFO "Using r7780mp interrupt controller.\n");
|
|
register_intc_controller(&intc_desc);
|
|
return irl2irq;
|
|
}
|
|
|
|
return NULL;
|
|
}
|