// SPDX-License-Identifier: GPL-2.0
/*
* SH7760 Setup
*
* Copyright (C) 2006 Paul Mundt
*/
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
#include <linux/serial_sci.h>
#include <linux/io.h>
#include <asm /platform_early.h>
enum {
UNUSED = 0 ,
/* interrupt sources */
IRL0, IRL1, IRL2, IRL3,
HUDI, GPIOI, DMAC,
IRQ4, IRQ5, IRQ6, IRQ7,
HCAN20, HCAN21,
SSI0, SSI1,
HAC0, HAC1,
I2C0, I2C1,
USB, LCDC,
DMABRG0, DMABRG1, DMABRG2,
SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
HSPI,
MMCIF0, MMCIF1, MMCIF2, MMCIF3,
MFI, ADC, CMT,
TMU0, TMU1, TMU2,
WDT, REF,
/* interrupt groups */
DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
};
static struct intc_vect vectors[] __initdata = {
INTC_VECT(HUDI, 0 x600), INTC_VECT(GPIOI, 0 x620),
INTC_VECT(DMAC, 0 x640), INTC_VECT(DMAC, 0 x660),
INTC_VECT(DMAC, 0 x680), INTC_VECT(DMAC, 0 x6a0),
INTC_VECT(DMAC, 0 x780), INTC_VECT(DMAC, 0 x7a0),
INTC_VECT(DMAC, 0 x7c0), INTC_VECT(DMAC, 0 x7e0),
INTC_VECT(DMAC, 0 x6c0),
INTC_VECT(IRQ4, 0 x800), INTC_VECT(IRQ5, 0 x820),
INTC_VECT(IRQ6, 0 x840), INTC_VECT(IRQ6, 0 x860),
INTC_VECT(HCAN20, 0 x900), INTC_VECT(HCAN21, 0 x920),
INTC_VECT(SSI0, 0 x940), INTC_VECT(SSI1, 0 x960),
INTC_VECT(HAC0, 0 x980), INTC_VECT(HAC1, 0 x9a0),
INTC_VECT(I2C0, 0 x9c0), INTC_VECT(I2C1, 0 x9e0),
INTC_VECT(USB, 0 xa00), INTC_VECT(LCDC, 0 xa20),
INTC_VECT(DMABRG0, 0 xa80), INTC_VECT(DMABRG1, 0 xaa0),
INTC_VECT(DMABRG2, 0 xac0),
INTC_VECT(SCIF0_ERI, 0 x880), INTC_VECT(SCIF0_RXI, 0 x8a0),
INTC_VECT(SCIF0_BRI, 0 x8c0), INTC_VECT(SCIF0_TXI, 0 x8e0),
INTC_VECT(SCIF1_ERI, 0 xb00), INTC_VECT(SCIF1_RXI, 0 xb20),
INTC_VECT(SCIF1_BRI, 0 xb40), INTC_VECT(SCIF1_TXI, 0 xb60),
INTC_VECT(SCIF2_ERI, 0 xb80), INTC_VECT(SCIF2_RXI, 0 xba0),
INTC_VECT(SCIF2_BRI, 0 xbc0), INTC_VECT(SCIF2_TXI, 0 xbe0),
INTC_VECT(SIM_ERI, 0 xc00), INTC_VECT(SIM_RXI, 0 xc20),
INTC_VECT(SIM_TXI, 0 xc40), INTC_VECT(SIM_TEI, 0 xc60),
INTC_VECT(HSPI, 0 xc80),
INTC_VECT(MMCIF0, 0 xd00), INTC_VECT(MMCIF1, 0 xd20),
INTC_VECT(MMCIF2, 0 xd40), INTC_VECT(MMCIF3, 0 xd60),
INTC_VECT(MFI, 0 xe80), /* 0xf80 according to data sheet */
INTC_VECT(ADC, 0 xf80), INTC_VECT(CMT, 0 xfa0),
INTC_VECT(TMU0, 0 x400), INTC_VECT(TMU1, 0 x420),
INTC_VECT(TMU2, 0 x440), INTC_VECT(TMU2, 0 x460),
INTC_VECT(WDT, 0 x560),
INTC_VECT(REF, 0 x580), INTC_VECT(REF, 0 x5a0),
};
static struct intc_group groups[] __initdata = {
INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
};
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0 xfe080040, 0 xfe080060, 32 , /* INTMSK00 / INTMSKCLR00 */
{ IRQ4, IRQ5, IRQ6, IRQ7, 0 , 0 , HCAN20, HCAN21,
SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
0 , DMABRG0, DMABRG1, DMABRG2,
SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
{ 0 xfe080044, 0 xfe080064, 32 , /* INTMSK04 / INTMSKCLR04 */
{ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
HSPI, MMCIF0, MMCIF1, MMCIF2,
MMCIF3, 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
0 , MFI, 0 , 0 , 0 , 0 , ADC, CMT, } },
};
static struct intc_prio_reg prio_registers[] __initdata = {
{ 0 xffd00004, 0 , 16 , 4 , /* IPRA */ { TMU0, TMU1, TMU2 } },
{ 0 xffd00008, 0 , 16 , 4 , /* IPRB */ { WDT, REF, 0, 0 } },
{ 0 xffd0000c, 0 , 16 , 4 , /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
{ 0 xffd00010, 0 , 16 , 4 , /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
{ 0 xfe080000, 0 , 32 , 4 , /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
{ 0 xfe080004, 0 , 32 , 4 , /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
HAC0, HAC1, I2C0, I2C1 } },
{ 0 xfe080008, 0 , 32 , 4 , /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
SCIF1, SCIF2, SIM, HSPI } },
{ 0 xfe08000c, 0 , 32 , 4 , /* INTPRI0C */ { 0, 0, MMCIF, 0,
MFI, 0 , ADC, CMT } },
};
static DECLARE_INTC_DESC(intc_desc, "sh7760" , vectors, groups,
mask_registers, prio_registers, NULL);
static struct intc_vect vectors_irq[] __initdata = {
INTC_VECT(IRL0, 0 x240), INTC_VECT(IRL1, 0 x2a0),
INTC_VECT(IRL2, 0 x300), INTC_VECT(IRL3, 0 x360),
};
static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq" , vectors_irq, groups,
mask_registers, prio_registers, NULL);
static struct plat_sci_port scif0_platform_data = {
.scscr = SCSCR_REIE,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif0_resources[] = {
DEFINE_RES_MEM(0 xfe600000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 x880)),
DEFINE_RES_IRQ(evt2irq(0 x8a0)),
DEFINE_RES_IRQ(evt2irq(0 x8e0)),
DEFINE_RES_IRQ(evt2irq(0 x8c0)),
};
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,
.scscr = SCSCR_REIE,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif1_resources[] = {
DEFINE_RES_MEM(0 xfe610000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 xb00)),
DEFINE_RES_IRQ(evt2irq(0 xb20)),
DEFINE_RES_IRQ(evt2irq(0 xb60)),
DEFINE_RES_IRQ(evt2irq(0 xb40)),
};
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 plat_sci_port scif2_platform_data = {
.scscr = SCSCR_REIE,
.type = PORT_SCIF,
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
};
static struct resource scif2_resources[] = {
DEFINE_RES_MEM(0 xfe620000, 0 x100),
DEFINE_RES_IRQ(evt2irq(0 xb80)),
DEFINE_RES_IRQ(evt2irq(0 xba0)),
DEFINE_RES_IRQ(evt2irq(0 xbe0)),
DEFINE_RES_IRQ(evt2irq(0 xbc0)),
};
static struct platform_device scif2_device = {
.name = "sh-sci" ,
.id = 2 ,
.resource = scif2_resources,
.num_resources = ARRAY_SIZE(scif2_resources),
.dev = {
.platform_data = &scif2_platform_data,
},
};
static struct plat_sci_port scif3_platform_data = {
/*
* This is actually a SIM card module serial port, based on an SCI with
* additional registers. The sh-sci driver doesn't support the SIM port
* type, declare it as a SCI. Don't declare the additional registers in
* the memory resource or the driver will compute an incorrect regshift
* value.
*/
.type = PORT_SCI,
};
static struct resource scif3_resources[] = {
DEFINE_RES_MEM(0 xfe480000, 0 x10),
DEFINE_RES_IRQ(evt2irq(0 xc00)),
DEFINE_RES_IRQ(evt2irq(0 xc20)),
DEFINE_RES_IRQ(evt2irq(0 xc40)),
};
static struct platform_device scif3_device = {
.name = "sh-sci" ,
.id = 3 ,
.resource = scif3_resources,
.num_resources = ARRAY_SIZE(scif3_resources),
.dev = {
.platform_data = &scif3_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 x400)),
DEFINE_RES_IRQ(evt2irq(0 x420)),
DEFINE_RES_IRQ(evt2irq(0 x440)),
};
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 platform_device *sh7760_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&scif3_device,
&tmu0_device,
};
static int __init sh7760_devices_setup(void )
{
return platform_add_devices(sh7760_devices,
ARRAY_SIZE(sh7760_devices));
}
arch_initcall(sh7760_devices_setup);
static struct platform_device *sh7760_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
&scif2_device,
&scif3_device,
&tmu0_device,
};
void __init plat_early_device_setup(void )
{
sh_early_platform_add_devices(sh7760_early_devices,
ARRAY_SIZE(sh7760_early_devices));
}
#define INTC_ICR 0 xffd00000UL
#define INTC_ICR_IRLM (1 << 7 )
void __init plat_irq_setup_pins(int mode)
{
switch (mode) {
case IRQ_MODE_IRQ:
__raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
register_intc_controller(&intc_desc_irq);
break ;
default :
BUG();
}
}
void __init plat_irq_setup(void )
{
register_intc_controller(&intc_desc);
}
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