1 /* 2 * SH7705 Setup 3 * 4 * Copyright (C) 2006 - 2009 Paul Mundt 5 * Copyright (C) 2007 Nobuhiro Iwamatsu 6 * 7 * This file is subject to the terms and conditions of the GNU General Public 8 * License. See the file "COPYING" in the main directory of this archive 9 * for more details. 10 */ 11 #include <linux/platform_device.h> 12 #include <linux/init.h> 13 #include <linux/irq.h> 14 #include <linux/serial.h> 15 #include <linux/serial_sci.h> 16 #include <asm/rtc.h> 17 18 enum { 19 UNUSED = 0, 20 21 /* interrupt sources */ 22 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, 23 PINT07, PINT815, 24 25 DMAC, SCIF0, SCIF2, ADC_ADI, USB, 26 27 TPU0, TPU1, TPU2, TPU3, 28 TMU0, TMU1, TMU2, 29 30 RTC, WDT, REF_RCMI, 31 }; 32 33 static struct intc_vect vectors[] __initdata = { 34 /* IRQ0->5 are handled in setup-sh3.c */ 35 INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720), 36 INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820), 37 INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860), 38 INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0), 39 INTC_VECT(SCIF0, 0x8e0), 40 INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920), 41 INTC_VECT(SCIF2, 0x960), 42 INTC_VECT(ADC_ADI, 0x980), 43 INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40), 44 INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20), 45 INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0), 46 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), 47 INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460), 48 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0), 49 INTC_VECT(RTC, 0x4c0), 50 INTC_VECT(WDT, 0x560), 51 INTC_VECT(REF_RCMI, 0x580), 52 }; 53 54 static struct intc_prio_reg prio_registers[] __initdata = { 55 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, 56 { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } }, 57 { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } }, 58 { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } }, 59 { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } }, 60 { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } }, 61 { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } }, 62 { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } }, 63 64 }; 65 66 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL, 67 NULL, prio_registers, NULL); 68 69 static struct plat_sci_port sci_platform_data[] = { 70 { 71 .mapbase = 0xa4410000, 72 .flags = UPF_BOOT_AUTOCONF, 73 .type = PORT_SCIF, 74 .irqs = { 56, 56, 56 }, 75 }, { 76 .mapbase = 0xa4400000, 77 .flags = UPF_BOOT_AUTOCONF, 78 .type = PORT_SCIF, 79 .irqs = { 52, 52, 52 }, 80 }, { 81 .flags = 0, 82 } 83 }; 84 85 static struct platform_device sci_device = { 86 .name = "sh-sci", 87 .id = -1, 88 .dev = { 89 .platform_data = sci_platform_data, 90 }, 91 }; 92 93 static struct resource rtc_resources[] = { 94 [0] = { 95 .start = 0xfffffec0, 96 .end = 0xfffffec0 + 0x1e, 97 .flags = IORESOURCE_IO, 98 }, 99 [1] = { 100 .start = 20, 101 .flags = IORESOURCE_IRQ, 102 }, 103 }; 104 105 static struct sh_rtc_platform_info rtc_info = { 106 .capabilities = RTC_CAP_4_DIGIT_YEAR, 107 }; 108 109 static struct platform_device rtc_device = { 110 .name = "sh-rtc", 111 .id = -1, 112 .num_resources = ARRAY_SIZE(rtc_resources), 113 .resource = rtc_resources, 114 .dev = { 115 .platform_data = &rtc_info, 116 }, 117 }; 118 119 static struct platform_device *sh7705_devices[] __initdata = { 120 &sci_device, 121 &rtc_device, 122 }; 123 124 static int __init sh7705_devices_setup(void) 125 { 126 return platform_add_devices(sh7705_devices, 127 ARRAY_SIZE(sh7705_devices)); 128 } 129 __initcall(sh7705_devices_setup); 130 131 void __init plat_irq_setup(void) 132 { 133 register_intc_controller(&intc_desc); 134 plat_irq_setup_sh3(); 135 } 136