// SPDX-License-Identifier: GPL-2.0
/*
* SH7705 Setup
*
* Copyright (C) 2006 - 2009 Paul Mundt
* Copyright (C) 2007 Nobuhiro Iwamatsu
*/
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
#include <asm /rtc.h>
#include <cpu/serial.h>
#include <asm /platform_early.h>
enum {
UNUSED = 0 ,
/* interrupt sources */
IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
PINT07, PINT815,
DMAC, SCIF0, SCIF2, ADC_ADI, USB,
TPU0, TPU1, TPU2, TPU3,
TMU0, TMU1, TMU2,
RTC, WDT, REF_RCMI,
};
static struct intc_vect vectors[] __initdata = {
/* IRQ0->5 are handled in setup-sh3.c */
INTC_VECT(PINT07, 0 x700), INTC_VECT(PINT815, 0 x720),
INTC_VECT(DMAC, 0 x800), INTC_VECT(DMAC, 0 x820),
INTC_VECT(DMAC, 0 x840), INTC_VECT(DMAC, 0 x860),
INTC_VECT(SCIF0, 0 x880), INTC_VECT(SCIF0, 0 x8a0),
INTC_VECT(SCIF0, 0 x8e0),
INTC_VECT(SCIF2, 0 x900), INTC_VECT(SCIF2, 0 x920),
INTC_VECT(SCIF2, 0 x960),
INTC_VECT(ADC_ADI, 0 x980),
INTC_VECT(USB, 0 xa20), INTC_VECT(USB, 0 xa40),
INTC_VECT(TPU0, 0 xc00), INTC_VECT(TPU1, 0 xc20),
INTC_VECT(TPU2, 0 xc80), INTC_VECT(TPU3, 0 xca0),
INTC_VECT(TMU0, 0 x400), INTC_VECT(TMU1, 0 x420),
INTC_VECT(TMU2, 0 x440), INTC_VECT(TMU2, 0 x460),
INTC_VECT(RTC, 0 x480), INTC_VECT(RTC, 0 x4a0),
INTC_VECT(RTC, 0 x4c0),
INTC_VECT(WDT, 0 x560),
INTC_VECT(REF_RCMI, 0 x580),
};
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0 xfffffee2, 0 , 16 , 4 , /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
{ 0 xfffffee4, 0 , 16 , 4 , /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
{ 0 xa4000016, 0 , 16 , 4 , /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
{ 0 xa4000018, 0 , 16 , 4 , /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
{ 0 xa400001a, 0 , 16 , 4 , /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
{ 0 xa4080000, 0 , 16 , 4 , /* IPRF */ { 0, 0, USB } },
{ 0 xa4080002, 0 , 16 , 4 , /* IPRG */ { TPU0, TPU1 } },
{ 0 xa4080004, 0 , 16 , 4 , /* IPRH */ { TPU2, TPU3 } },
};
static DECLARE_INTC_DESC(intc_desc, "sh7705" , vectors, NULL,
NULL, prio_registers, NULL);
static struct plat_sci_port scif0_platform_data = {
.scscr = SCSCR_CKE1,
.type = PORT_SCIF,
.ops = &sh770x_sci_port_ops,
.regtype = SCIx_SH7705_SCIF_REGTYPE,
};
static struct resource scif0_resources[] = {
DEFINE_RES_MEM(0 xa4410000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 x900)),
};
static struct platform_device scif0_device = {
.name = "sh-sci" ,
.id = 0 ,
.resource = scif0_resources,
.num_resources = ARRAY_SIZE(scif0_resources),
.dev = {
.platform_data = &scif0_platform_data,
},
};
static struct plat_sci_port scif1_platform_data = {
.type = PORT_SCIF,
.ops = &sh770x_sci_port_ops,
.regtype = SCIx_SH7705_SCIF_REGTYPE,
};
static struct resource scif1_resources[] = {
DEFINE_RES_MEM(0 xa4400000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 x880)),
};
static struct platform_device scif1_device = {
.name = "sh-sci" ,
.id = 1 ,
.resource = scif1_resources,
.num_resources = ARRAY_SIZE(scif1_resources),
.dev = {
.platform_data = &scif1_platform_data,
},
};
static struct resource rtc_resources[] = {
[0 ] = {
.start = 0 xfffffec0,
.end = 0 xfffffec0 + 0 x1e,
.flags = IORESOURCE_IO,
},
[1 ] = {
.start = evt2irq(0 x480),
.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 sh_timer_config tmu0_platform_data = {
.channels_mask = 7 ,
};
static struct resource tmu0_resources[] = {
DEFINE_RES_MEM(0 xfffffe90, 0 x2c),
DEFINE_RES_IRQ(evt2irq(0 x400)),
DEFINE_RES_IRQ(evt2irq(0 x420)),
DEFINE_RES_IRQ(evt2irq(0 x440)),
};
static struct platform_device tmu0_device = {
.name = "sh-tmu-sh3" ,
.id = 0 ,
.dev = {
.platform_data = &tmu0_platform_data,
},
.resource = tmu0_resources,
.num_resources = ARRAY_SIZE(tmu0_resources),
};
static struct platform_device *sh7705_devices[] __initdata = {
&scif0_device,
&scif1_device,
&tmu0_device,
&rtc_device,
};
static int __init sh7705_devices_setup(void )
{
return platform_add_devices(sh7705_devices,
ARRAY_SIZE(sh7705_devices));
}
arch_initcall(sh7705_devices_setup);
static struct platform_device *sh7705_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&tmu0_device,
};
void __init plat_early_device_setup(void )
{
sh_early_platform_add_devices(sh7705_early_devices,
ARRAY_SIZE(sh7705_early_devices));
}
void __init plat_irq_setup(void )
{
register_intc_controller(&intc_desc);
plat_irq_setup_sh3();
}
Messung V0.5 in Prozent C=93 H=95 G=93
¤ Dauer der Verarbeitung: 0.2 Sekunden
(vorverarbeitet am 2026-06-05)
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