1 /* 2 * SH7705 Setup 3 * 4 * Copyright (C) 2006, 2007 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 DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3, 25 SCIF0_ERI, SCIF0_RXI, SCIF0_TXI, 26 SCIF2_ERI, SCIF2_RXI, SCIF2_TXI, 27 ADC_ADI, 28 USB_USI0, USB_USI1, 29 TPU0, TPU1, TPU2, TPU3, 30 TMU0, TMU1, TMU2_TUNI, TMU2_TICPI, 31 RTC_ATI, RTC_PRI, RTC_CUI, 32 WDT, 33 REF_RCMI, 34 35 /* interrupt groups */ 36 RTC, TMU2, DMAC, USB, SCIF2, SCIF0, 37 }; 38 39 static struct intc_vect vectors[] __initdata = { 40 INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0), 41 INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720), 42 INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820), 43 INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860), 44 INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0), 45 INTC_VECT(SCIF0_TXI, 0x8e0), 46 INTC_VECT(SCIF2_ERI, 0x900), INTC_VECT(SCIF2_RXI, 0x920), 47 INTC_VECT(SCIF2_TXI, 0x960), 48 INTC_VECT(ADC_ADI, 0x980), 49 INTC_VECT(USB_USI0, 0xa20), INTC_VECT(USB_USI1, 0xa40), 50 INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20), 51 INTC_VECT(TPU3, 0xc80), INTC_VECT(TPU1, 0xca0), 52 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), 53 INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460), 54 INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0), 55 INTC_VECT(RTC_CUI, 0x4c0), 56 INTC_VECT(WDT, 0x560), 57 INTC_VECT(REF_RCMI, 0x580), 58 }; 59 60 static struct intc_group groups[] __initdata = { 61 INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI), 62 INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI), 63 INTC_GROUP(DMAC, DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3), 64 INTC_GROUP(USB, USB_USI0, USB_USI1), 65 INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI), 66 INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI), 67 }; 68 69 static struct intc_prio_reg prio_registers[] __initdata = { 70 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, 71 { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } }, 72 { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } }, 73 { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } }, 74 { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } }, 75 { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } }, 76 { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } }, 77 { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } }, 78 79 }; 80 81 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, groups, 82 NULL, prio_registers, NULL); 83 84 static struct intc_vect vectors_irq[] __initdata = { 85 INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620), 86 INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660), 87 }; 88 89 static DECLARE_INTC_DESC(intc_desc_irq, "sh7705-irq", vectors_irq, NULL, 90 NULL, prio_registers, NULL); 91 92 static struct plat_sci_port sci_platform_data[] = { 93 { 94 .mapbase = 0xa4410000, 95 .flags = UPF_BOOT_AUTOCONF, 96 .type = PORT_SCIF, 97 .irqs = { 56, 57, 59 }, 98 }, { 99 .mapbase = 0xa4400000, 100 .flags = UPF_BOOT_AUTOCONF, 101 .type = PORT_SCIF, 102 .irqs = { 52, 53, 55 }, 103 }, { 104 .flags = 0, 105 } 106 }; 107 108 static struct platform_device sci_device = { 109 .name = "sh-sci", 110 .id = -1, 111 .dev = { 112 .platform_data = sci_platform_data, 113 }, 114 }; 115 116 static struct resource rtc_resources[] = { 117 [0] = { 118 .start = 0xfffffec0, 119 .end = 0xfffffec0 + 0x1e, 120 .flags = IORESOURCE_IO, 121 }, 122 [1] = { 123 .start = 20, 124 .flags = IORESOURCE_IRQ, 125 }, 126 [2] = { 127 .start = 21, 128 .flags = IORESOURCE_IRQ, 129 }, 130 [3] = { 131 .start = 22, 132 .flags = IORESOURCE_IRQ, 133 }, 134 }; 135 136 static struct sh_rtc_platform_info rtc_info = { 137 .capabilities = RTC_CAP_4_DIGIT_YEAR, 138 }; 139 140 static struct platform_device rtc_device = { 141 .name = "sh-rtc", 142 .id = -1, 143 .num_resources = ARRAY_SIZE(rtc_resources), 144 .resource = rtc_resources, 145 .dev = { 146 .platform_data = &rtc_info, 147 }, 148 }; 149 150 static struct platform_device *sh7705_devices[] __initdata = { 151 &sci_device, 152 &rtc_device, 153 }; 154 155 static int __init sh7705_devices_setup(void) 156 { 157 return platform_add_devices(sh7705_devices, 158 ARRAY_SIZE(sh7705_devices)); 159 } 160 __initcall(sh7705_devices_setup); 161 162 void __init plat_irq_setup_pins(int mode) 163 { 164 if (mode == IRQ_MODE_IRQ) { 165 register_intc_controller(&intc_desc_irq); 166 return; 167 } 168 BUG(); 169 } 170 171 void __init plat_irq_setup(void) 172 { 173 register_intc_controller(&intc_desc); 174 } 175