| /* |
| * SH7780 Setup |
| * |
| * Copyright (C) 2006 Paul Mundt |
| * |
| * 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 <asm/sci.h> |
| |
| static struct resource rtc_resources[] = { |
| [0] = { |
| .start = 0xffe80000, |
| .end = 0xffe80000 + 0x58 - 1, |
| .flags = IORESOURCE_IO, |
| }, |
| [1] = { |
| /* Period IRQ */ |
| .start = 21, |
| .flags = IORESOURCE_IRQ, |
| }, |
| [2] = { |
| /* Carry IRQ */ |
| .start = 22, |
| .flags = IORESOURCE_IRQ, |
| }, |
| [3] = { |
| /* Alarm IRQ */ |
| .start = 20, |
| .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[] = { |
| { |
| .mapbase = 0xffe00000, |
| .flags = UPF_BOOT_AUTOCONF, |
| .type = PORT_SCIF, |
| .irqs = { 40, 41, 43, 42 }, |
| }, { |
| .mapbase = 0xffe10000, |
| .flags = UPF_BOOT_AUTOCONF, |
| .type = PORT_SCIF, |
| .irqs = { 76, 77, 79, 78 }, |
| }, { |
| .flags = 0, |
| } |
| }; |
| |
| static struct platform_device sci_device = { |
| .name = "sh-sci", |
| .id = -1, |
| .dev = { |
| .platform_data = sci_platform_data, |
| }, |
| }; |
| |
| static struct platform_device *sh7780_devices[] __initdata = { |
| &rtc_device, |
| &sci_device, |
| }; |
| |
| static int __init sh7780_devices_setup(void) |
| { |
| return platform_add_devices(sh7780_devices, |
| ARRAY_SIZE(sh7780_devices)); |
| } |
| __initcall(sh7780_devices_setup); |
| |
| 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_ATI, RTC_PRI, RTC_CUI, |
| WDT, |
| TMU0, TMU1, TMU2, TMU2_TICPI, |
| HUDI, |
| DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2, DMAC0_DMINT3, DMAC0_DMAE, |
| SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI, |
| DMAC0_DMINT4, DMAC0_DMINT5, DMAC1_DMINT6, DMAC1_DMINT7, |
| CMT, HAC, |
| PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, |
| PCIERR, PCIPWD3, PCIPWD2, PCIPWD1, PCIPWD0, |
| SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI, |
| SIOF, HSPI, |
| MMCIF_FSTAT, MMCIF_TRAN, MMCIF_ERR, MMCIF_FRDY, |
| DMAC1_DMINT8, DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11, |
| TMU3, TMU4, TMU5, |
| SSI, |
| FLCTL_FLSTE, FLCTL_FLEND, FLCTL_FLTRQ0, FLCTL_FLTRQ1, |
| GPIOI0, GPIOI1, GPIOI2, GPIOI3, |
| |
| /* interrupt groups */ |
| |
| RTC, TMU012, DMAC0, SCIF0, DMAC45, DMAC1, |
| PCIC5, SCIF1, MMCIF, TMU345, FLCTL, GPIO, |
| }; |
| |
| static struct intc_vect vectors[] __initdata = { |
| INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0), |
| INTC_VECT(RTC_CUI, 0x4c0), |
| INTC_VECT(WDT, 0x560), |
| INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0), |
| INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0), |
| INTC_VECT(HUDI, 0x600), |
| INTC_VECT(DMAC0_DMINT0, 0x640), INTC_VECT(DMAC0_DMINT1, 0x660), |
| INTC_VECT(DMAC0_DMINT2, 0x680), INTC_VECT(DMAC0_DMINT3, 0x6a0), |
| INTC_VECT(DMAC0_DMAE, 0x6c0), |
| INTC_VECT(SCIF0_ERI, 0x700), INTC_VECT(SCIF0_RXI, 0x720), |
| INTC_VECT(SCIF0_BRI, 0x740), INTC_VECT(SCIF0_TXI, 0x760), |
| INTC_VECT(DMAC0_DMINT4, 0x780), INTC_VECT(DMAC0_DMINT5, 0x7a0), |
| INTC_VECT(DMAC1_DMINT6, 0x7c0), INTC_VECT(DMAC1_DMINT7, 0x7e0), |
| INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980), |
| INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20), |
| INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60), |
| INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIERR, 0xaa0), |
| INTC_VECT(PCIPWD3, 0xac0), INTC_VECT(PCIPWD2, 0xae0), |
| INTC_VECT(PCIPWD1, 0xb00), INTC_VECT(PCIPWD0, 0xb20), |
| INTC_VECT(SCIF1_ERI, 0xb80), INTC_VECT(SCIF1_RXI, 0xba0), |
| INTC_VECT(SCIF1_BRI, 0xbc0), INTC_VECT(SCIF1_TXI, 0xbe0), |
| INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80), |
| INTC_VECT(MMCIF_FSTAT, 0xd00), INTC_VECT(MMCIF_TRAN, 0xd20), |
| INTC_VECT(MMCIF_ERR, 0xd40), INTC_VECT(MMCIF_FRDY, 0xd60), |
| INTC_VECT(DMAC1_DMINT8, 0xd80), INTC_VECT(DMAC1_DMINT9, 0xda0), |
| INTC_VECT(DMAC1_DMINT10, 0xdc0), INTC_VECT(DMAC1_DMINT11, 0xde0), |
| INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20), |
| INTC_VECT(TMU5, 0xe40), |
| INTC_VECT(SSI, 0xe80), |
| INTC_VECT(FLCTL_FLSTE, 0xf00), INTC_VECT(FLCTL_FLEND, 0xf20), |
| INTC_VECT(FLCTL_FLTRQ0, 0xf40), INTC_VECT(FLCTL_FLTRQ1, 0xf60), |
| INTC_VECT(GPIOI0, 0xf80), INTC_VECT(GPIOI1, 0xfa0), |
| INTC_VECT(GPIOI2, 0xfc0), INTC_VECT(GPIOI3, 0xfe0), |
| }; |
| |
| static struct intc_group groups[] __initdata = { |
| INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI), |
| INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI), |
| INTC_GROUP(DMAC0, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2, |
| DMAC0_DMINT3, DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE), |
| INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI), |
| INTC_GROUP(DMAC1, DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8, |
| DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11), |
| INTC_GROUP(PCIC5, PCIERR, PCIPWD3, PCIPWD2, PCIPWD1, PCIPWD0), |
| INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI), |
| INTC_GROUP(MMCIF, MMCIF_FSTAT, MMCIF_TRAN, MMCIF_ERR, MMCIF_FRDY), |
| INTC_GROUP(TMU345, TMU3, TMU4, TMU5), |
| INTC_GROUP(FLCTL, FLCTL_FLSTE, FLCTL_FLEND, |
| FLCTL_FLTRQ0, FLCTL_FLTRQ1), |
| INTC_GROUP(GPIO, GPIOI0, GPIOI1, GPIOI2, GPIOI3), |
| }; |
| |
| static struct intc_prio priorities[] __initdata = { |
| INTC_PRIO(SCIF0, 3), |
| INTC_PRIO(SCIF1, 3), |
| }; |
| |
| static struct intc_mask_reg mask_registers[] __initdata = { |
| { 0xffd40038, 0xffd4003c, 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 = { |
| { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1, |
| TMU2, TMU2_TICPI } }, |
| { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } }, |
| { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } }, |
| { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } }, |
| { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC, |
| PCISERR, PCIINTA, } }, |
| { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC, |
| PCIINTD, PCIC5 } }, |
| { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } }, |
| { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } }, |
| }; |
| |
| static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups, priorities, |
| mask_registers, prio_registers, NULL); |
| |
| /* Support for external interrupt pins in IRQ mode */ |
| |
| static struct intc_vect irq_vectors[] __initdata = { |
| INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280), |
| INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300), |
| INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380), |
| INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200), |
| }; |
| |
| static struct intc_mask_reg irq_mask_registers[] __initdata = { |
| { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */ |
| { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, |
| }; |
| |
| static struct intc_prio_reg irq_prio_registers[] __initdata = { |
| { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3, |
| IRQ4, IRQ5, IRQ6, IRQ7 } }, |
| }; |
| |
| static struct intc_sense_reg irq_sense_registers[] __initdata = { |
| { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3, |
| IRQ4, IRQ5, IRQ6, IRQ7 } }, |
| }; |
| |
| static DECLARE_INTC_DESC(intc_irq_desc, "sh7780-irq", irq_vectors, |
| NULL, NULL, irq_mask_registers, irq_prio_registers, |
| irq_sense_registers); |
| |
| /* External interrupt pins in IRL mode */ |
| |
| static struct intc_vect irl_vectors[] __initdata = { |
| INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220), |
| INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260), |
| INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0), |
| INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0), |
| INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320), |
| INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360), |
| INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0), |
| INTC_VECT(IRL_HHHL, 0x3c0), |
| }; |
| |
| static struct intc_mask_reg irl3210_mask_registers[] __initdata = { |
| { 0xffd40080, 0xffd40084, 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 = { |
| { 0xffd40080, 0xffd40084, 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, NULL, irl7654_mask_registers, NULL, NULL); |
| |
| static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors, |
| NULL, NULL, irl3210_mask_registers, NULL, NULL); |
| |
| #define INTC_ICR0 0xffd00000 |
| #define INTC_INTMSK0 0xffd00044 |
| #define INTC_INTMSK1 0xffd00048 |
| #define INTC_INTMSK2 0xffd40080 |
| #define INTC_INTMSKCLR1 0xffd00068 |
| #define INTC_INTMSKCLR2 0xffd40084 |
| |
| void __init plat_irq_setup(void) |
| { |
| /* disable IRQ7-0 */ |
| ctrl_outl(0xff000000, INTC_INTMSK0); |
| |
| /* disable IRL3-0 + IRL7-4 */ |
| ctrl_outl(0xc0000000, INTC_INTMSK1); |
| ctrl_outl(0xfffefffe, INTC_INTMSK2); |
| |
| /* select IRL mode for IRL3-0 + IRL7-4 */ |
| ctrl_outl(ctrl_inl(INTC_ICR0) & ~0x00c00000, INTC_ICR0); |
| |
| /* disable holding function, ie enable "SH-4 Mode" */ |
| ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00200000, 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 */ |
| ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0); |
| register_intc_controller(&intc_irq_desc); |
| break; |
| case IRQ_MODE_IRL7654: |
| /* enable IRL7-4 but don't provide any masking */ |
| ctrl_outl(0x40000000, INTC_INTMSKCLR1); |
| ctrl_outl(0x0000fffe, INTC_INTMSKCLR2); |
| break; |
| case IRQ_MODE_IRL3210: |
| /* enable IRL0-3 but don't provide any masking */ |
| ctrl_outl(0x80000000, INTC_INTMSKCLR1); |
| ctrl_outl(0xfffe0000, INTC_INTMSKCLR2); |
| break; |
| case IRQ_MODE_IRL7654_MASK: |
| /* enable IRL7-4 and mask using cpu intc controller */ |
| ctrl_outl(0x40000000, INTC_INTMSKCLR1); |
| register_intc_controller(&intc_irl7654_desc); |
| break; |
| case IRQ_MODE_IRL3210_MASK: |
| /* enable IRL0-3 and mask using cpu intc controller */ |
| ctrl_outl(0x80000000, INTC_INTMSKCLR1); |
| register_intc_controller(&intc_irl3210_desc); |
| break; |
| default: |
| BUG(); |
| } |
| } |
