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/*
* Renesas Solutions Highlander R7785RP 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 */
};
static struct intc_vect vectors[] __initdata = {
INTC_IRQ(CF, IRQ_CF),
INTC_IRQ(AX88796, IRQ_AX88796),
};
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0xa4000010, 0, 16, /* IRLMCR1 */
{ 0, 0, 0, 0, CF, AX88796, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0 } },
};
static unsigned char irl2irq[HL_NR_IRL] __initdata = {
0, IRQ_CF, 0, 0,
0, 0, 0, 0,
0, 0, IRQ_AX88796, 0,
0, 0, 0,
};
static DECLARE_INTC_DESC(intc_desc, "r7785rp", vectors,
NULL, mask_registers, NULL, NULL);
unsigned char * __init highlander_init_irq_r7785rp(void)
{
if ((ctrl_inw(0xa4000158) & 0xf000) != 0x1000)
return NULL;
printk(KERN_INFO "Using r7785rp interrupt controller.\n");
ctrl_outw(0x0000, PA_IRLSSR1); /* FPGA IRLSSR1(CF_CD clear) */
/* Setup the FPGA IRL */
ctrl_outw(0x0000, PA_IRLPRA); /* FPGA IRLA */
ctrl_outw(0xe598, PA_IRLPRB); /* FPGA IRLB */
ctrl_outw(0x7060, PA_IRLPRC); /* FPGA IRLC */
ctrl_outw(0x0000, PA_IRLPRD); /* FPGA IRLD */
ctrl_outw(0x4321, PA_IRLPRE); /* FPGA IRLE */
ctrl_outw(0x0000, PA_IRLPRF); /* FPGA IRLF */
register_intc_controller(&intc_desc);
return irl2irq;
}
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