linux-stable-rt/arch/sh/kernel/cpu/sh3/setup-sh7705.c

/*
 * SH7705 Setup
 *
 *  Copyright (C) 2006  Paul Mundt
 *  Copyright (C) 2007  Nobuhiro Iwamatsu
 *
 * 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/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <asm/sci.h>

static struct plat_sci_port sci_platform_data[] = {
	{
		.mapbase	= 0xa4410000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		= { 56, 57, 59 },
	}, {
		.mapbase	= 0xa4400000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		= { 52, 53, 55 },
	}, {
		.flags = 0,
	}
};

static struct platform_device sci_device = {
	.name		= "sh-sci",
	.id		= -1,
	.dev		= {
		.platform_data	= sci_platform_data,
	},
};

static struct platform_device *sh7705_devices[] __initdata = {
	&sci_device,
};

static int __init sh7705_devices_setup(void)
{
	return platform_add_devices(sh7705_devices,
				    ARRAY_SIZE(sh7705_devices));
}
__initcall(sh7705_devices_setup);

static struct ipr_data sh7705_ipr_map[] = {
	/* IRQ, IPR-idx, shift, priority */
	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
	{ 17, 0,  8, 2 }, /* TMU1 TUNI */
	{ 18, 0,  4, 2 }, /* TMU2 TUNI */
	{ 27, 1, 12, 2 }, /* WDT ITI */
	{ 20, 0,  0, 2 }, /* RTC ATI (alarm) */
	{ 21, 0,  0, 2 }, /* RTC PRI (period) */
	{ 22, 0,  0, 2 }, /* RTC CUI (carry) */
	{ 48, 4, 12, 7 }, /* DMAC DMTE0 */
	{ 49, 4, 12, 7 }, /* DMAC DMTE1 */
	{ 50, 4, 12, 7 }, /* DMAC DMTE2 */
	{ 51, 4, 12, 7 }, /* DMAC DMTE3 */
	{ 52, 4,  8, 3 }, /* SCIF0 ERI */
	{ 53, 4,  8, 3 }, /* SCIF0 RXI */
	{ 55, 4,  8, 3 }, /* SCIF0 TXI */
	{ 56, 4,  4, 3 }, /* SCIF1 ERI */
	{ 57, 4,  4, 3 }, /* SCIF1 RXI */
	{ 59, 4,  4, 3 }, /* SCIF1 TXI */
};

static unsigned long ipr_offsets[] = {
	0xFFFFFEE2	/* 0: IPRA */
,	0xFFFFFEE4	/* 1: IPRB */
,	0xA4000016	/* 2: IPRC */
,	0xA4000018	/* 3: IPRD */
,	0xA400001A	/* 4: IPRE */
,	0xA4080000	/* 5: IPRF */
,	0xA4080002	/* 6: IPRG */
,	0xA4080004	/* 7: IPRH */
};

/* given the IPR index return the address of the IPR register */
unsigned int map_ipridx_to_addr(int idx)
{
	if (idx >= ARRAY_SIZE(ipr_offsets))
		return 0;
	return ipr_offsets[idx];
}

void __init init_IRQ_ipr()
{
	make_ipr_irq(sh7705_ipr_map, ARRAY_SIZE(sh7705_ipr_map));
}