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/*
* SH7705 Setup
*
* Copyright (C) 2006, 2007 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/irq.h>
#include <linux/serial.h>
#include <asm/sci.h>
#include <asm/rtc.h>
enum {
UNUSED = 0,
/* interrupt sources */
IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
PINT07, PINT815,
DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3,
SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
SCIF2_ERI, SCIF2_RXI, SCIF2_TXI,
ADC_ADI,
USB_USI0, USB_USI1,
TPU0, TPU1, TPU2, TPU3,
TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
RTC_ATI, RTC_PRI, RTC_CUI,
WDT,
REF_RCMI,
/* interrupt groups */
RTC, TMU2, DMAC, USB, SCIF2, SCIF0,
};
static struct intc_vect vectors[] = {
INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820),
INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860),
INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
INTC_VECT(SCIF0_TXI, 0x8e0),
INTC_VECT(SCIF2_ERI, 0x900), INTC_VECT(SCIF2_RXI, 0x920),
INTC_VECT(SCIF2_TXI, 0x960),
INTC_VECT(ADC_ADI, 0x980),
INTC_VECT(USB_USI0, 0xa20), INTC_VECT(USB_USI1, 0xa40),
INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
INTC_VECT(TPU3, 0xc80), INTC_VECT(TPU1, 0xca0),
INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
INTC_VECT(RTC_CUI, 0x4c0),
INTC_VECT(WDT, 0x560),
INTC_VECT(REF_RCMI, 0x580),
};
static struct intc_group groups[] = {
INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
INTC_GROUP(DMAC, DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3),
INTC_GROUP(USB, USB_USI0, USB_USI1),
INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI),
};
static struct intc_prio priorities[] = {
INTC_PRIO(DMAC, 7),
INTC_PRIO(SCIF2, 3),
INTC_PRIO(SCIF0, 3),
};
static struct intc_prio_reg prio_registers[] = {
{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
{ 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
{ 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
{ 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
};
static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, groups,
priorities, NULL, prio_registers, NULL);
static struct intc_vect vectors_irq[] = {
INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
};
static DECLARE_INTC_DESC(intc_desc_irq, "sh7705-irq", vectors_irq, NULL,
priorities, NULL, prio_registers, NULL);
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 resource rtc_resources[] = {
[0] = {
.start = 0xfffffec0,
.end = 0xfffffec0 + 0x1e,
.flags = IORESOURCE_IO,
},
[1] = {
.start = 20,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = 21,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = 22,
.flags = IORESOURCE_IRQ,
},
};
static struct sh_rtc_platform_info rtc_info = {
.capabilities = RTC_CAP_4_DIGIT_YEAR,
};
static struct platform_device rtc_device = {
.name = "sh-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
.dev = {
.platform_data = &rtc_info,
},
};
static struct platform_device *sh7705_devices[] __initdata = {
&sci_device,
&rtc_device,
};
static int __init sh7705_devices_setup(void)
{
return platform_add_devices(sh7705_devices,
ARRAY_SIZE(sh7705_devices));
}
__initcall(sh7705_devices_setup);
void __init plat_irq_setup_pins(int mode)
{
if (mode == IRQ_MODE_IRQ) {
register_intc_controller(&intc_desc_irq);
return;
}
BUG();
}
void __init plat_irq_setup(void)
{
register_intc_controller(&intc_desc);
}
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