367 lines
10 KiB
C
367 lines
10 KiB
C
/*
|
|
* SH7091/SH7750/SH7750S/SH7750R/SH7751/SH7751R 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 <linux/sh_timer.h>
|
|
#include <linux/sh_intc.h>
|
|
#include <linux/serial_sci.h>
|
|
#include <generated/machtypes.h>
|
|
|
|
static struct resource rtc_resources[] = {
|
|
[0] = {
|
|
.start = 0xffc80000,
|
|
.end = 0xffc80000 + 0x58 - 1,
|
|
.flags = IORESOURCE_IO,
|
|
},
|
|
[1] = {
|
|
/* Shared Period/Carry/Alarm IRQ */
|
|
.start = evt2irq(0x480),
|
|
.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 = {
|
|
.port_reg = 0xffe0001C,
|
|
.flags = UPF_BOOT_AUTOCONF,
|
|
.scscr = SCSCR_TE | SCSCR_RE,
|
|
.type = PORT_SCI,
|
|
.regshift = 2,
|
|
};
|
|
|
|
static struct resource sci_resources[] = {
|
|
DEFINE_RES_MEM(0xffe00000, 0x100),
|
|
DEFINE_RES_IRQ(evt2irq(0x4e0)),
|
|
};
|
|
|
|
static struct platform_device sci_device = {
|
|
.name = "sh-sci",
|
|
.id = 0,
|
|
.resource = sci_resources,
|
|
.num_resources = ARRAY_SIZE(sci_resources),
|
|
.dev = {
|
|
.platform_data = &sci_platform_data,
|
|
},
|
|
};
|
|
|
|
static struct plat_sci_port scif_platform_data = {
|
|
.flags = UPF_BOOT_AUTOCONF,
|
|
.scscr = SCSCR_TE | SCSCR_RE | SCSCR_REIE,
|
|
.type = PORT_SCIF,
|
|
};
|
|
|
|
static struct resource scif_resources[] = {
|
|
DEFINE_RES_MEM(0xffe80000, 0x100),
|
|
DEFINE_RES_IRQ(evt2irq(0x700)),
|
|
};
|
|
|
|
static struct platform_device scif_device = {
|
|
.name = "sh-sci",
|
|
.id = 1,
|
|
.resource = scif_resources,
|
|
.num_resources = ARRAY_SIZE(scif_resources),
|
|
.dev = {
|
|
.platform_data = &scif_platform_data,
|
|
},
|
|
};
|
|
|
|
static struct sh_timer_config tmu0_platform_data = {
|
|
.channels_mask = 7,
|
|
};
|
|
|
|
static struct resource tmu0_resources[] = {
|
|
DEFINE_RES_MEM(0xffd80000, 0x30),
|
|
DEFINE_RES_IRQ(evt2irq(0x400)),
|
|
DEFINE_RES_IRQ(evt2irq(0x420)),
|
|
DEFINE_RES_IRQ(evt2irq(0x440)),
|
|
};
|
|
|
|
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),
|
|
};
|
|
|
|
/* SH7750R, SH7751 and SH7751R all have two extra timer channels */
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
|
|
static struct sh_timer_config tmu1_platform_data = {
|
|
.channels_mask = 3,
|
|
};
|
|
|
|
static struct resource tmu1_resources[] = {
|
|
DEFINE_RES_MEM(0xfe100000, 0x20),
|
|
DEFINE_RES_IRQ(evt2irq(0xb00)),
|
|
DEFINE_RES_IRQ(evt2irq(0xb80)),
|
|
};
|
|
|
|
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),
|
|
};
|
|
|
|
#endif
|
|
|
|
static struct platform_device *sh7750_devices[] __initdata = {
|
|
&rtc_device,
|
|
&tmu0_device,
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
&tmu1_device,
|
|
#endif
|
|
};
|
|
|
|
static int __init sh7750_devices_setup(void)
|
|
{
|
|
if (mach_is_rts7751r2d()) {
|
|
platform_device_register(&scif_device);
|
|
} else {
|
|
platform_device_register(&sci_device);
|
|
platform_device_register(&scif_device);
|
|
}
|
|
|
|
return platform_add_devices(sh7750_devices,
|
|
ARRAY_SIZE(sh7750_devices));
|
|
}
|
|
arch_initcall(sh7750_devices_setup);
|
|
|
|
static struct platform_device *sh7750_early_devices[] __initdata = {
|
|
&tmu0_device,
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
&tmu1_device,
|
|
#endif
|
|
};
|
|
|
|
void __init plat_early_device_setup(void)
|
|
{
|
|
struct platform_device *dev[1];
|
|
|
|
if (mach_is_rts7751r2d()) {
|
|
scif_platform_data.scscr |= SCSCR_CKE1;
|
|
dev[0] = &scif_device;
|
|
early_platform_add_devices(dev, 1);
|
|
} else {
|
|
dev[0] = &sci_device;
|
|
early_platform_add_devices(dev, 1);
|
|
dev[0] = &scif_device;
|
|
early_platform_add_devices(dev, 1);
|
|
}
|
|
|
|
early_platform_add_devices(sh7750_early_devices,
|
|
ARRAY_SIZE(sh7750_early_devices));
|
|
}
|
|
|
|
enum {
|
|
UNUSED = 0,
|
|
|
|
/* interrupt sources */
|
|
IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */
|
|
HUDI, GPIOI, DMAC,
|
|
PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
|
|
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
|
|
TMU3, TMU4, TMU0, TMU1, TMU2, RTC, SCI1, SCIF, WDT, REF,
|
|
|
|
/* interrupt groups */
|
|
PCIC1,
|
|
};
|
|
|
|
static struct intc_vect vectors[] __initdata = {
|
|
INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
|
|
INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
|
|
INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
|
|
INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
|
|
INTC_VECT(RTC, 0x4c0),
|
|
INTC_VECT(SCI1, 0x4e0), INTC_VECT(SCI1, 0x500),
|
|
INTC_VECT(SCI1, 0x520), INTC_VECT(SCI1, 0x540),
|
|
INTC_VECT(SCIF, 0x700), INTC_VECT(SCIF, 0x720),
|
|
INTC_VECT(SCIF, 0x740), INTC_VECT(SCIF, 0x760),
|
|
INTC_VECT(WDT, 0x560),
|
|
INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
|
|
};
|
|
|
|
static struct intc_prio_reg prio_registers[] __initdata = {
|
|
{ 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
|
|
{ 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
|
|
{ 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
|
|
{ 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
|
|
{ 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
|
|
TMU4, TMU3,
|
|
PCIC1, PCIC0_PCISERR } },
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc, "sh7750", vectors, NULL,
|
|
NULL, prio_registers, NULL);
|
|
|
|
/* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7091)
|
|
static struct intc_vect vectors_dma4[] __initdata = {
|
|
INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
|
|
INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
|
|
INTC_VECT(DMAC, 0x6c0),
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc_dma4, "sh7750_dma4",
|
|
vectors_dma4, NULL,
|
|
NULL, prio_registers, NULL);
|
|
#endif
|
|
|
|
/* SH7750R and SH7751R both have 8-channel DMA controllers */
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
static struct intc_vect vectors_dma8[] __initdata = {
|
|
INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
|
|
INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
|
|
INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
|
|
INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
|
|
INTC_VECT(DMAC, 0x6c0),
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc_dma8, "sh7750_dma8",
|
|
vectors_dma8, NULL,
|
|
NULL, prio_registers, NULL);
|
|
#endif
|
|
|
|
/* SH7750R, SH7751 and SH7751R all have two extra timer channels */
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
static struct intc_vect vectors_tmu34[] __initdata = {
|
|
INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
|
|
};
|
|
|
|
static struct intc_mask_reg mask_registers[] __initdata = {
|
|
{ 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
|
|
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, TMU4, TMU3,
|
|
PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
|
|
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
|
|
PCIC1_PCIDMA3, PCIC0_PCISERR } },
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc_tmu34, "sh7750_tmu34",
|
|
vectors_tmu34, NULL,
|
|
mask_registers, prio_registers, NULL);
|
|
#endif
|
|
|
|
/* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
|
|
static struct intc_vect vectors_irlm[] __initdata = {
|
|
INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
|
|
INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc_irlm, "sh7750_irlm", vectors_irlm, NULL,
|
|
NULL, prio_registers, NULL);
|
|
|
|
/* SH7751 and SH7751R both have PCI */
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7751) || defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
static struct intc_vect vectors_pci[] __initdata = {
|
|
INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
|
|
INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
|
|
INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
|
|
INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
|
|
};
|
|
|
|
static struct intc_group groups_pci[] __initdata = {
|
|
INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
|
|
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
|
|
};
|
|
|
|
static DECLARE_INTC_DESC(intc_desc_pci, "sh7750_pci", vectors_pci, groups_pci,
|
|
mask_registers, prio_registers, NULL);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
|
|
defined(CONFIG_CPU_SUBTYPE_SH7091)
|
|
void __init plat_irq_setup(void)
|
|
{
|
|
/*
|
|
* same vectors for SH7750, SH7750S and SH7091 except for IRLM,
|
|
* see below..
|
|
*/
|
|
register_intc_controller(&intc_desc);
|
|
register_intc_controller(&intc_desc_dma4);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750R)
|
|
void __init plat_irq_setup(void)
|
|
{
|
|
register_intc_controller(&intc_desc);
|
|
register_intc_controller(&intc_desc_dma8);
|
|
register_intc_controller(&intc_desc_tmu34);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7751)
|
|
void __init plat_irq_setup(void)
|
|
{
|
|
register_intc_controller(&intc_desc);
|
|
register_intc_controller(&intc_desc_dma4);
|
|
register_intc_controller(&intc_desc_tmu34);
|
|
register_intc_controller(&intc_desc_pci);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7751R)
|
|
void __init plat_irq_setup(void)
|
|
{
|
|
register_intc_controller(&intc_desc);
|
|
register_intc_controller(&intc_desc_dma8);
|
|
register_intc_controller(&intc_desc_tmu34);
|
|
register_intc_controller(&intc_desc_pci);
|
|
}
|
|
#endif
|
|
|
|
#define INTC_ICR 0xffd00000UL
|
|
#define INTC_ICR_IRLM (1<<7)
|
|
|
|
void __init plat_irq_setup_pins(int mode)
|
|
{
|
|
#if defined(CONFIG_CPU_SUBTYPE_SH7750) || defined(CONFIG_CPU_SUBTYPE_SH7091)
|
|
BUG(); /* impossible to mask interrupts on SH7750 and SH7091 */
|
|
return;
|
|
#endif
|
|
|
|
switch (mode) {
|
|
case IRQ_MODE_IRQ: /* individual interrupt mode for IRL3-0 */
|
|
__raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
|
|
register_intc_controller(&intc_desc_irlm);
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
}
|