// SPDX-License-Identifier: GPL-2.0
/*
* SH7780 Setup
*
* Copyright (C) 2006 Paul Mundt
*/
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/sh_dma.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
#include <cpu/dma-register .h>
#include <asm /platform_early.h>
static struct plat_sci_port scif0_platform_data = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif0_resources[] = {
DEFINE_RES_MEM(0 xffe00000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 x700)),
};
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 = {
.scscr = SCSCR_REIE | SCSCR_CKE1,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif1_resources[] = {
DEFINE_RES_MEM(0 xffe10000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 xb80)),
};
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 sh_timer_config tmu0_platform_data = {
.channels_mask = 7 ,
};
static struct resource tmu0_resources[] = {
DEFINE_RES_MEM(0 xffd80000, 0 x30),
DEFINE_RES_IRQ(evt2irq(0 x580)),
DEFINE_RES_IRQ(evt2irq(0 x5a0)),
DEFINE_RES_IRQ(evt2irq(0 x5c0)),
};
static struct platform_device tmu0_device = {
.name = "sh-tmu" ,
.id = 0 ,
.dev = {
.platform_data = &tmu0_platform_data,
},
.resource = tmu0_resources,
.num_resources = ARRAY_SIZE(tmu0_resources),
};
static struct sh_timer_config tmu1_platform_data = {
.channels_mask = 7 ,
};
static struct resource tmu1_resources[] = {
DEFINE_RES_MEM(0 xffdc0000, 0 x2c),
DEFINE_RES_IRQ(evt2irq(0 xe00)),
DEFINE_RES_IRQ(evt2irq(0 xe20)),
DEFINE_RES_IRQ(evt2irq(0 xe40)),
};
static struct platform_device tmu1_device = {
.name = "sh-tmu" ,
.id = 1 ,
.dev = {
.platform_data = &tmu1_platform_data,
},
.resource = tmu1_resources,
.num_resources = ARRAY_SIZE(tmu1_resources),
};
static struct resource rtc_resources[] = {
[0 ] = {
.start = 0 xffe80000,
.end = 0 xffe80000 + 0 x58 - 1 ,
.flags = IORESOURCE_IO,
},
[1 ] = {
/* Shared Period/Carry/Alarm IRQ */
.start = evt2irq(0 x480),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device rtc_device = {
.name = "sh-rtc" ,
.id = -1 ,
.num_resources = ARRAY_SIZE(rtc_resources),
.resource = rtc_resources,
};
/* DMA */
static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
{
.offset = 0 ,
.dmars = 0 ,
.dmars_bit = 0 ,
}, {
.offset = 0 x10,
.dmars = 0 ,
.dmars_bit = 8 ,
}, {
.offset = 0 x20,
.dmars = 4 ,
.dmars_bit = 0 ,
}, {
.offset = 0 x30,
.dmars = 4 ,
.dmars_bit = 8 ,
}, {
.offset = 0 x50,
.dmars = 8 ,
.dmars_bit = 0 ,
}, {
.offset = 0 x60,
.dmars = 8 ,
.dmars_bit = 8 ,
}
};
static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
{
.offset = 0 ,
}, {
.offset = 0 x10,
}, {
.offset = 0 x20,
}, {
.offset = 0 x30,
}, {
.offset = 0 x50,
}, {
.offset = 0 x60,
}
};
static const unsigned int ts_shift[] = TS_SHIFT;
static struct sh_dmae_pdata dma0_platform_data = {
.channel = sh7780_dmae0_channels,
.channel_num = ARRAY_SIZE(sh7780_dmae0_channels),
.ts_low_shift = CHCR_TS_LOW_SHIFT,
.ts_low_mask = CHCR_TS_LOW_MASK,
.ts_high_shift = CHCR_TS_HIGH_SHIFT,
.ts_high_mask = CHCR_TS_HIGH_MASK,
.ts_shift = ts_shift,
.ts_shift_num = ARRAY_SIZE(ts_shift),
.dmaor_init = DMAOR_INIT,
};
static struct sh_dmae_pdata dma1_platform_data = {
.channel = sh7780_dmae1_channels,
.channel_num = ARRAY_SIZE(sh7780_dmae1_channels),
.ts_low_shift = CHCR_TS_LOW_SHIFT,
.ts_low_mask = CHCR_TS_LOW_MASK,
.ts_high_shift = CHCR_TS_HIGH_SHIFT,
.ts_high_mask = CHCR_TS_HIGH_MASK,
.ts_shift = ts_shift,
.ts_shift_num = ARRAY_SIZE(ts_shift),
.dmaor_init = DMAOR_INIT,
};
static struct resource sh7780_dmae0_resources[] = {
[0 ] = {
/* Channel registers and DMAOR */
.start = 0 xfc808020,
.end = 0 xfc80808f,
.flags = IORESOURCE_MEM,
},
[1 ] = {
/* DMARSx */
.start = 0 xfc809000,
.end = 0 xfc80900b,
.flags = IORESOURCE_MEM,
},
{
/*
* Real DMA error vector is 0x6c0, and channel
* vectors are 0x640-0x6a0, 0x780-0x7a0
*/
.name = "error_irq" ,
.start = evt2irq(0 x640),
.end = evt2irq(0 x640),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
},
};
static struct resource sh7780_dmae1_resources[] = {
[0 ] = {
/* Channel registers and DMAOR */
.start = 0 xfc818020,
.end = 0 xfc81808f,
.flags = IORESOURCE_MEM,
},
/* DMAC1 has no DMARS */
{
/*
* Real DMA error vector is 0x6c0, and channel
* vectors are 0x7c0-0x7e0, 0xd80-0xde0
*/
.name = "error_irq" ,
.start = evt2irq(0 x7c0),
.end = evt2irq(0 x7c0),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
},
};
static struct platform_device dma0_device = {
.name = "sh-dma-engine" ,
.id = 0 ,
.resource = sh7780_dmae0_resources,
.num_resources = ARRAY_SIZE(sh7780_dmae0_resources),
.dev = {
.platform_data = &dma0_platform_data,
},
};
static struct platform_device dma1_device = {
.name = "sh-dma-engine" ,
.id = 1 ,
.resource = sh7780_dmae1_resources,
.num_resources = ARRAY_SIZE(sh7780_dmae1_resources),
.dev = {
.platform_data = &dma1_platform_data,
},
};
static struct platform_device *sh7780_devices[] __initdata = {
&scif0_device,
&scif1_device,
&tmu0_device,
&tmu1_device,
&rtc_device,
&dma0_device,
&dma1_device,
};
static int __init sh7780_devices_setup(void )
{
return platform_add_devices(sh7780_devices,
ARRAY_SIZE(sh7780_devices));
}
arch_initcall(sh7780_devices_setup);
static struct platform_device *sh7780_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&tmu0_device,
&tmu1_device,
};
void __init plat_early_device_setup(void )
{
if (mach_is_sh2007()) {
scif0_platform_data.scscr &= ~SCSCR_CKE1;
scif1_platform_data.scscr &= ~SCSCR_CKE1;
}
sh_early_platform_add_devices(sh7780_early_devices,
ARRAY_SIZE(sh7780_early_devices));
}
enum {
UNUSED = 0 ,
/* interrupt sources */
IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
IRL_HHLL, IRL_HHLH, IRL_HHHL,
IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
/* interrupt groups */
TMU012, TMU345,
};
static struct intc_vect vectors[] __initdata = {
INTC_VECT(RTC, 0 x480), INTC_VECT(RTC, 0 x4a0),
INTC_VECT(RTC, 0 x4c0),
INTC_VECT(WDT, 0 x560),
INTC_VECT(TMU0, 0 x580), INTC_VECT(TMU1, 0 x5a0),
INTC_VECT(TMU2, 0 x5c0), INTC_VECT(TMU2_TICPI, 0 x5e0),
INTC_VECT(HUDI, 0 x600),
INTC_VECT(DMAC0, 0 x640), INTC_VECT(DMAC0, 0 x660),
INTC_VECT(DMAC0, 0 x680), INTC_VECT(DMAC0, 0 x6a0),
INTC_VECT(DMAC0, 0 x6c0),
INTC_VECT(SCIF0, 0 x700), INTC_VECT(SCIF0, 0 x720),
INTC_VECT(SCIF0, 0 x740), INTC_VECT(SCIF0, 0 x760),
INTC_VECT(DMAC0, 0 x780), INTC_VECT(DMAC0, 0 x7a0),
INTC_VECT(DMAC1, 0 x7c0), INTC_VECT(DMAC1, 0 x7e0),
INTC_VECT(CMT, 0 x900), INTC_VECT(HAC, 0 x980),
INTC_VECT(PCISERR, 0 xa00), INTC_VECT(PCIINTA, 0 xa20),
INTC_VECT(PCIINTB, 0 xa40), INTC_VECT(PCIINTC, 0 xa60),
INTC_VECT(PCIINTD, 0 xa80), INTC_VECT(PCIC5, 0 xaa0),
INTC_VECT(PCIC5, 0 xac0), INTC_VECT(PCIC5, 0 xae0),
INTC_VECT(PCIC5, 0 xb00), INTC_VECT(PCIC5, 0 xb20),
INTC_VECT(SCIF1, 0 xb80), INTC_VECT(SCIF1, 0 xba0),
INTC_VECT(SCIF1, 0 xbc0), INTC_VECT(SCIF1, 0 xbe0),
INTC_VECT(SIOF, 0 xc00), INTC_VECT(HSPI, 0 xc80),
INTC_VECT(MMCIF, 0 xd00), INTC_VECT(MMCIF, 0 xd20),
INTC_VECT(MMCIF, 0 xd40), INTC_VECT(MMCIF, 0 xd60),
INTC_VECT(DMAC1, 0 xd80), INTC_VECT(DMAC1, 0 xda0),
INTC_VECT(DMAC1, 0 xdc0), INTC_VECT(DMAC1, 0 xde0),
INTC_VECT(TMU3, 0 xe00), INTC_VECT(TMU4, 0 xe20),
INTC_VECT(TMU5, 0 xe40),
INTC_VECT(SSI, 0 xe80),
INTC_VECT(FLCTL, 0 xf00), INTC_VECT(FLCTL, 0 xf20),
INTC_VECT(FLCTL, 0 xf40), INTC_VECT(FLCTL, 0 xf60),
INTC_VECT(GPIO, 0 xf80), INTC_VECT(GPIO, 0 xfa0),
INTC_VECT(GPIO, 0 xfc0), INTC_VECT(GPIO, 0 xfe0),
};
static struct intc_group groups[] __initdata = {
INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
};
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0 xffd40038, 0 xffd4003c, 32 , /* INT2MSKR / INT2MSKCR */
{ 0 , 0 , 0 , 0 , 0 , 0 , GPIO, FLCTL,
SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
PCIINTA, PCISERR, HAC, CMT, 0 , 0 , DMAC1, DMAC0,
HUDI, 0 , WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
};
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0 xffd40000, 0 , 32 , 8 , /* INT2PRI0 */ { TMU0, TMU1,
TMU2, TMU2_TICPI } },
{ 0 xffd40004, 0 , 32 , 8 , /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
{ 0 xffd40008, 0 , 32 , 8 , /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
{ 0 xffd4000c, 0 , 32 , 8 , /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
{ 0 xffd40010, 0 , 32 , 8 , /* INT2PRI4 */ { CMT, HAC,
PCISERR, PCIINTA, } },
{ 0 xffd40014, 0 , 32 , 8 , /* INT2PRI5 */ { PCIINTB, PCIINTC,
PCIINTD, PCIC5 } },
{ 0 xffd40018, 0 , 32 , 8 , /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
{ 0 xffd4001c, 0 , 32 , 8 , /* INT2PRI7 */ { FLCTL, GPIO } },
};
static DECLARE_INTC_DESC(intc_desc, "sh7780" , vectors, groups,
mask_registers, prio_registers, NULL);
/* Support for external interrupt pins in IRQ mode */
static struct intc_vect irq_vectors[] __initdata = {
INTC_VECT(IRQ0, 0 x240), INTC_VECT(IRQ1, 0 x280),
INTC_VECT(IRQ2, 0 x2c0), INTC_VECT(IRQ3, 0 x300),
INTC_VECT(IRQ4, 0 x340), INTC_VECT(IRQ5, 0 x380),
INTC_VECT(IRQ6, 0 x3c0), INTC_VECT(IRQ7, 0 x200),
};
static struct intc_mask_reg irq_mask_registers[] __initdata = {
{ 0 xffd00044, 0 xffd00064, 32 , /* INTMSK0 / INTMSKCLR0 */
{ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
};
static struct intc_prio_reg irq_prio_registers[] __initdata = {
{ 0 xffd00010, 0 , 32 , 4 , /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
IRQ4, IRQ5, IRQ6, IRQ7 } },
};
static struct intc_sense_reg irq_sense_registers[] __initdata = {
{ 0 xffd0001c, 32 , 2 , /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
IRQ4, IRQ5, IRQ6, IRQ7 } },
};
static struct intc_mask_reg irq_ack_registers[] __initdata = {
{ 0 xffd00024, 0 , 32 , /* INTREQ */
{ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
};
static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq" , irq_vectors,
NULL, irq_mask_registers, irq_prio_registers,
irq_sense_registers, irq_ack_registers);
/* External interrupt pins in IRL mode */
static struct intc_vect irl_vectors[] __initdata = {
INTC_VECT(IRL_LLLL, 0 x200), INTC_VECT(IRL_LLLH, 0 x220),
INTC_VECT(IRL_LLHL, 0 x240), INTC_VECT(IRL_LLHH, 0 x260),
INTC_VECT(IRL_LHLL, 0 x280), INTC_VECT(IRL_LHLH, 0 x2a0),
INTC_VECT(IRL_LHHL, 0 x2c0), INTC_VECT(IRL_LHHH, 0 x2e0),
INTC_VECT(IRL_HLLL, 0 x300), INTC_VECT(IRL_HLLH, 0 x320),
INTC_VECT(IRL_HLHL, 0 x340), INTC_VECT(IRL_HLHH, 0 x360),
INTC_VECT(IRL_HHLL, 0 x380), INTC_VECT(IRL_HHLH, 0 x3a0),
INTC_VECT(IRL_HHHL, 0 x3c0),
};
static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
{ 0 xffd40080, 0 xffd40084, 32 , /* INTMSK2 / INTMSKCLR2 */
{ IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
};
static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
{ 0 xffd40080, 0 xffd40084, 32 , /* INTMSK2 / INTMSKCLR2 */
{ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
};
static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654" , irl_vectors,
NULL, irl7654_mask_registers, NULL, NULL);
static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210" , irl_vectors,
NULL, irl3210_mask_registers, NULL, NULL);
#define INTC_ICR0 0 xffd00000
#define INTC_INTMSK0 0 xffd00044
#define INTC_INTMSK1 0 xffd00048
#define INTC_INTMSK2 0 xffd40080
#define INTC_INTMSKCLR1 0 xffd00068
#define INTC_INTMSKCLR2 0 xffd40084
void __init plat_irq_setup(void )
{
/* disable IRQ7-0 */
__raw_writel(0 xff000000, INTC_INTMSK0);
/* disable IRL3-0 + IRL7-4 */
__raw_writel(0 xc0000000, INTC_INTMSK1);
__raw_writel(0 xfffefffe, INTC_INTMSK2);
/* select IRL mode for IRL3-0 + IRL7-4 */
__raw_writel(__raw_readl(INTC_ICR0) & ~0 x00c00000, INTC_ICR0);
/* disable holding function, ie enable "SH-4 Mode" */
__raw_writel(__raw_readl(INTC_ICR0) | 0 x00200000, INTC_ICR0);
register_intc_controller(&intc_desc);
}
void __init plat_irq_setup_pins(int mode)
{
switch (mode) {
case IRQ_MODE_IRQ:
/* select IRQ mode for IRL3-0 + IRL7-4 */
__raw_writel(__raw_readl(INTC_ICR0) | 0 x00c00000, INTC_ICR0);
register_intc_controller(&intc_irq_desc);
break ;
case IRQ_MODE_IRL7654:
/* enable IRL7-4 but don't provide any masking */
__raw_writel(0 x40000000, INTC_INTMSKCLR1);
__raw_writel(0 x0000fffe, INTC_INTMSKCLR2);
break ;
case IRQ_MODE_IRL3210:
/* enable IRL0-3 but don't provide any masking */
__raw_writel(0 x80000000, INTC_INTMSKCLR1);
__raw_writel(0 xfffe0000, INTC_INTMSKCLR2);
break ;
case IRQ_MODE_IRL7654_MASK:
/* enable IRL7-4 and mask using cpu intc controller */
__raw_writel(0 x40000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_irl7654_desc);
break ;
case IRQ_MODE_IRL3210_MASK:
/* enable IRL0-3 and mask using cpu intc controller */
__raw_writel(0 x80000000, INTC_INTMSKCLR1);
register_intc_controller(&intc_irl3210_desc);
break ;
default :
BUG();
}
}
Messung V0.5 in Prozent C=94 H=94 G=93
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-05)
¤
*© Formatika GbR, Deutschland