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 <linux/sh_timer.h> 17 #include <linux/sh_intc.h> 18 #include <asm/rtc.h> 19 #include <cpu/serial.h> 20 21 enum { 22 UNUSED = 0, 23 24 /* interrupt sources */ 25 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, 26 PINT07, PINT815, 27 28 DMAC, SCIF0, SCIF2, ADC_ADI, USB, 29 30 TPU0, TPU1, TPU2, TPU3, 31 TMU0, TMU1, TMU2, 32 33 RTC, WDT, REF_RCMI, 34 }; 35 36 static struct intc_vect vectors[] __initdata = { 37 /* IRQ0->5 are handled in setup-sh3.c */ 38 INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720), 39 INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820), 40 INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860), 41 INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0), 42 INTC_VECT(SCIF0, 0x8e0), 43 INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920), 44 INTC_VECT(SCIF2, 0x960), 45 INTC_VECT(ADC_ADI, 0x980), 46 INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40), 47 INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20), 48 INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0), 49 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), 50 INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460), 51 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0), 52 INTC_VECT(RTC, 0x4c0), 53 INTC_VECT(WDT, 0x560), 54 INTC_VECT(REF_RCMI, 0x580), 55 }; 56 57 static struct intc_prio_reg prio_registers[] __initdata = { 58 { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, 59 { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } }, 60 { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } }, 61 { 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } }, 62 { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } }, 63 { 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } }, 64 { 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } }, 65 { 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } }, 66 67 }; 68 69 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL, 70 NULL, prio_registers, NULL); 71 72 static struct plat_sci_port scif0_platform_data = { 73 .flags = UPF_BOOT_AUTOCONF, 74 .scscr = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | 75 SCSCR_RE | SCSCR_CKE1 | SCSCR_CKE0, 76 .type = PORT_SCIF, 77 .ops = &sh770x_sci_port_ops, 78 .regtype = SCIx_SH7705_SCIF_REGTYPE, 79 }; 80 81 static struct resource scif0_resources[] = { 82 DEFINE_RES_MEM(0xa4410000, 0x100), 83 DEFINE_RES_IRQ(evt2irq(0x900)), 84 }; 85 86 static struct platform_device scif0_device = { 87 .name = "sh-sci", 88 .id = 0, 89 .resource = scif0_resources, 90 .num_resources = ARRAY_SIZE(scif0_resources), 91 .dev = { 92 .platform_data = &scif0_platform_data, 93 }, 94 }; 95 96 static struct plat_sci_port scif1_platform_data = { 97 .flags = UPF_BOOT_AUTOCONF, 98 .scscr = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE, 99 .type = PORT_SCIF, 100 .ops = &sh770x_sci_port_ops, 101 .regtype = SCIx_SH7705_SCIF_REGTYPE, 102 }; 103 104 static struct resource scif1_resources[] = { 105 DEFINE_RES_MEM(0xa4400000, 0x100), 106 DEFINE_RES_IRQ(evt2irq(0x880)), 107 }; 108 109 static struct platform_device scif1_device = { 110 .name = "sh-sci", 111 .id = 1, 112 .resource = scif1_resources, 113 .num_resources = ARRAY_SIZE(scif1_resources), 114 .dev = { 115 .platform_data = &scif1_platform_data, 116 }, 117 }; 118 119 static struct resource rtc_resources[] = { 120 [0] = { 121 .start = 0xfffffec0, 122 .end = 0xfffffec0 + 0x1e, 123 .flags = IORESOURCE_IO, 124 }, 125 [1] = { 126 .start = evt2irq(0x480), 127 .flags = IORESOURCE_IRQ, 128 }, 129 }; 130 131 static struct sh_rtc_platform_info rtc_info = { 132 .capabilities = RTC_CAP_4_DIGIT_YEAR, 133 }; 134 135 static struct platform_device rtc_device = { 136 .name = "sh-rtc", 137 .id = -1, 138 .num_resources = ARRAY_SIZE(rtc_resources), 139 .resource = rtc_resources, 140 .dev = { 141 .platform_data = &rtc_info, 142 }, 143 }; 144 145 static struct sh_timer_config tmu0_platform_data = { 146 .channels_mask = 7, 147 }; 148 149 static struct resource tmu0_resources[] = { 150 DEFINE_RES_MEM(0xfffffe90, 0x2c), 151 DEFINE_RES_IRQ(evt2irq(0x400)), 152 DEFINE_RES_IRQ(evt2irq(0x420)), 153 DEFINE_RES_IRQ(evt2irq(0x440)), 154 }; 155 156 static struct platform_device tmu0_device = { 157 .name = "sh-tmu-sh3", 158 .id = 0, 159 .dev = { 160 .platform_data = &tmu0_platform_data, 161 }, 162 .resource = tmu0_resources, 163 .num_resources = ARRAY_SIZE(tmu0_resources), 164 }; 165 166 static struct platform_device *sh7705_devices[] __initdata = { 167 &scif0_device, 168 &scif1_device, 169 &tmu0_device, 170 &rtc_device, 171 }; 172 173 static int __init sh7705_devices_setup(void) 174 { 175 return platform_add_devices(sh7705_devices, 176 ARRAY_SIZE(sh7705_devices)); 177 } 178 arch_initcall(sh7705_devices_setup); 179 180 static struct platform_device *sh7705_early_devices[] __initdata = { 181 &scif0_device, 182 &scif1_device, 183 &tmu0_device, 184 }; 185 186 void __init plat_early_device_setup(void) 187 { 188 early_platform_add_devices(sh7705_early_devices, 189 ARRAY_SIZE(sh7705_early_devices)); 190 } 191 192 void __init plat_irq_setup(void) 193 { 194 register_intc_controller(&intc_desc); 195 plat_irq_setup_sh3(); 196 } 197