| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * SH7091/SH7750/SH7750S/SH7750R/SH7751/SH7751R Setup |
| * |
| * Copyright (C) 2006 Paul Mundt |
| * Copyright (C) 2006 Jamie Lenehan |
| */ |
| #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> |
| #include <asm/platform_early.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 = { |
| .type = PORT_SCI, |
| }; |
| |
| static struct resource sci_resources[] = { |
| DEFINE_RES_MEM(0xffe00000, 0x20), |
| 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 = { |
| .scscr = 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; |
| sh_early_platform_add_devices(dev, 1); |
| } else { |
| dev[0] = &sci_device; |
| sh_early_platform_add_devices(dev, 1); |
| dev[0] = &scif_device; |
| sh_early_platform_add_devices(dev, 1); |
| } |
| |
| sh_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(); |
| } |
| } |
