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/*
* 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 <asm/r7780rp.h>
enum {
UNUSED = 0,
/* board specific interrupt sources */
AX88796, /* Ethernet controller */
CF, /* Compact Flash */
PSW, /* Push Switch */
EXT1, /* EXT1n IRQ */
EXT4, /* EXT4n IRQ */
};
static struct intc_vect vectors[] __initdata = {
INTC_IRQ(CF, IRQ_CF),
INTC_IRQ(PSW, IRQ_PSW),
INTC_IRQ(AX88796, IRQ_AX88796),
INTC_IRQ(EXT1, IRQ_EXT1),
INTC_IRQ(EXT4, IRQ_EXT4),
};
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0xa4000000, 0, 16, /* IRLMSK */
{ 0, 0, 0, 0, CF, 0, 0, 0,
0, 0, 0, EXT4, 0, EXT1, PSW, AX88796 } },
};
static unsigned char irl2irq[HL_NR_IRL] __initdata = {
0, IRQ_CF, 0, 0,
0, 0, 0, 0,
0, IRQ_EXT4, 0, IRQ_EXT1,
0, IRQ_AX88796, IRQ_PSW,
};
static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
NULL, mask_registers, NULL, NULL);
unsigned char * __init highlander_init_irq_r7780mp(void)
{
if ((ctrl_inw(0xa4000700) & 0xf000) == 0x2000) {
printk(KERN_INFO "Using r7780mp interrupt controller.\n");
register_intc_controller(&intc_desc);
return irl2irq;
}
return NULL;
}
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