linux-stable-rt/arch/sh/kernel/cpu/sh4a/setup-sh7722.c

81 lines
1.8 KiB
C

/*
* SH7722 Setup
*
* Copyright (C) 2006 Paul Mundt
*
* 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 = 0xffe00000,
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 80, 81, 83, 82 },
}, {
.flags = 0,
}
};
static struct platform_device sci_device = {
.name = "sh-sci",
.id = -1,
.dev = {
.platform_data = sci_platform_data,
},
};
static struct platform_device *sh7722_devices[] __initdata = {
&sci_device,
};
static int __init sh7722_devices_setup(void)
{
return platform_add_devices(sh7722_devices,
ARRAY_SIZE(sh7722_devices));
}
__initcall(sh7722_devices_setup);
static struct ipr_data sh7722_ipr_map[] = {
/* IRQ, IPR-idx, shift, prio */
{ 16, 0, 12, 2 }, /* TMU0 */
{ 17, 0, 8, 2 }, /* TMU1 */
{ 80, 6, 12, 3 }, /* SCIF ERI */
{ 81, 6, 12, 3 }, /* SCIF RXI */
{ 82, 6, 12, 3 }, /* SCIF BRI */
{ 83, 6, 12, 3 }, /* SCIF TXI */
};
static unsigned long ipr_offsets[] = {
0xa4080000, /* 0: IPRA */
0xa4080004, /* 1: IPRB */
0xa4080008, /* 2: IPRC */
0xa408000c, /* 3: IPRD */
0xa4080010, /* 4: IPRE */
0xa4080014, /* 5: IPRF */
0xa4080018, /* 6: IPRG */
0xa408001c, /* 7: IPRH */
0xa4080020, /* 8: IPRI */
0xa4080024, /* 9: IPRJ */
0xa4080028, /* 10: IPRK */
0xa408002c, /* 11: IPRL */
};
unsigned int map_ipridx_to_addr(int idx)
{
if (unlikely(idx >= ARRAY_SIZE(ipr_offsets)))
return 0;
return ipr_offsets[idx];
}
void __init init_IRQ_ipr(void)
{
make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map));
}