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/*
* SH7750/SH7751 Setup
*
* Copyright (C) 2006 Paul Mundt
* Copyright (C) 2006 Jamie Lenehan
*
* 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 <linux/io.h>
#include <asm/sci.h>
static struct resource rtc_resources[] = {
[0] = {
.start = 0xffc80000,
.end = 0xffc80000 + 0x58 - 1,
.flags = IORESOURCE_IO,
},
[1] = {
/* Period IRQ */
.start = 21,
.flags = IORESOURCE_IRQ,
},
[2] = {
/* Carry IRQ */
.start = 22,
.flags = IORESOURCE_IRQ,
},
[3] = {
/* Alarm IRQ */
.start = 20,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device rtc_device = {
.name = "sh-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
};
static struct plat_sci_port sci_platform_data[] = {
{
.mapbase = 0xffe00000,
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCI,
.irqs = { 23, 24, 25, 0 },
}, {
.mapbase = 0xffe80000,
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 40, 41, 43, 42 },
}, {
.flags = 0,
}
};
static struct platform_device sci_device = {
.name = "sh-sci",
.id = -1,
.dev = {
.platform_data = sci_platform_data,
},
};
static struct platform_device *sh7750_devices[] __initdata = {
&rtc_device,
&sci_device,
};
static int __init sh7750_devices_setup(void)
{
return platform_add_devices(sh7750_devices,
ARRAY_SIZE(sh7750_devices));
}
__initcall(sh7750_devices_setup);
static struct ipr_data sh7750_ipr_map[] = {
/* IRQ, IPR-idx, shift, priority */
{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
{ 17, 0, 12, 2 }, /* TMU1 TUNI */
{ 18, 0, 4, 2 }, /* TMU2 TUNI */
{ 19, 0, 4, 2 }, /* TMU2 TIPCI */
{ 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) */
{ 23, 1, 4, 3 }, /* SCI ERI */
{ 24, 1, 4, 3 }, /* SCI RXI */
{ 25, 1, 4, 3 }, /* SCI TXI */
{ 40, 2, 4, 3 }, /* SCIF ERI */
{ 41, 2, 4, 3 }, /* SCIF RXI */
{ 42, 2, 4, 3 }, /* SCIF BRI */
{ 43, 2, 4, 3 }, /* SCIF TXI */
{ 34, 2, 8, 7 }, /* DMAC DMTE0 */
{ 35, 2, 8, 7 }, /* DMAC DMTE1 */
{ 36, 2, 8, 7 }, /* DMAC DMTE2 */
{ 37, 2, 8, 7 }, /* DMAC DMTE3 */
{ 38, 2, 8, 7 }, /* DMAC DMAE */
};
static struct ipr_data sh7751_ipr_map[] = {
{ 44, 2, 8, 7 }, /* DMAC DMTE4 */
{ 45, 2, 8, 7 }, /* DMAC DMTE5 */
{ 46, 2, 8, 7 }, /* DMAC DMTE6 */
{ 47, 2, 8, 7 }, /* DMAC DMTE7 */
/* The following use INTC_INPRI00 for masking, which is a 32-bit
register, not a 16-bit register like the IPRx registers, so it
would need special support */
/*{ 72, INTPRI00, 8, ? },*/ /* TMU3 TUNI */
/*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */
};
static unsigned long ipr_offsets[] = {
0xffd00004UL, /* 0: IPRA */
0xffd00008UL, /* 1: IPRB */
0xffd0000cUL, /* 2: IPRC */
0xffd00010UL, /* 3: IPRD */
};
/* 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];
}
#define INTC_ICR 0xffd00000UL
#define INTC_ICR_IRLM (1<<7)
/* enable individual interrupt mode for external interupts */
void ipr_irq_enable_irlm(void)
{
ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
}
void __init init_IRQ_ipr()
{
make_ipr_irq(sh7750_ipr_map, ARRAY_SIZE(sh7750_ipr_map));
#ifdef CONFIG_CPU_SUBTYPE_SH7751
make_ipr_irq(sh7751_ipr_map, ARRAY_SIZE(sh7751_ipr_map));
#endif
}
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