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// SPDX-License-Identifier: GPL-2.0
/*
* Renesas Solutions Highlander R7780MP Support.
*
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
* Copyright (C) 2006 Paul Mundt
* Copyright (C) 2007 Magnus Damm
*/
#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 ((__raw_readw(0xa4000700) & 0xf000) == 0x2000) {
printk(KERN_INFO "Using r7780mp interrupt controller.\n");
register_intc_controller(&intc_desc);
return irl2irq;
}
return NULL;
}
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