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 .mapbase = 0xa4410000, 74 .flags = UPF_BOOT_AUTOCONF, 75 .scscr = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | 76 SCSCR_RE | SCSCR_CKE1 | SCSCR_CKE0, 77 .scbrr_algo_id = SCBRR_ALGO_4, 78 .type = PORT_SCIF, 79 .irqs = SCIx_IRQ_MUXED(evt2irq(0x900)), 80 .ops = &sh770x_sci_port_ops, 81 .regtype = SCIx_SH7705_SCIF_REGTYPE, 82 }; 83 84 static struct platform_device scif0_device = { 85 .name = "sh-sci", 86 .id = 0, 87 .dev = { 88 .platform_data = &scif0_platform_data, 89 }, 90 }; 91 92 static struct plat_sci_port scif1_platform_data = { 93 .mapbase = 0xa4400000, 94 .flags = UPF_BOOT_AUTOCONF, 95 .scscr = SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE, 96 .scbrr_algo_id = SCBRR_ALGO_4, 97 .type = PORT_SCIF, 98 .irqs = SCIx_IRQ_MUXED(evt2irq(0x880)), 99 .ops = &sh770x_sci_port_ops, 100 .regtype = SCIx_SH7705_SCIF_REGTYPE, 101 }; 102 103 static struct platform_device scif1_device = { 104 .name = "sh-sci", 105 .id = 1, 106 .dev = { 107 .platform_data = &scif1_platform_data, 108 }, 109 }; 110 111 static struct resource rtc_resources[] = { 112 [0] = { 113 .start = 0xfffffec0, 114 .end = 0xfffffec0 + 0x1e, 115 .flags = IORESOURCE_IO, 116 }, 117 [1] = { 118 .start = evt2irq(0x480), 119 .flags = IORESOURCE_IRQ, 120 }, 121 }; 122 123 static struct sh_rtc_platform_info rtc_info = { 124 .capabilities = RTC_CAP_4_DIGIT_YEAR, 125 }; 126 127 static struct platform_device rtc_device = { 128 .name = "sh-rtc", 129 .id = -1, 130 .num_resources = ARRAY_SIZE(rtc_resources), 131 .resource = rtc_resources, 132 .dev = { 133 .platform_data = &rtc_info, 134 }, 135 }; 136 137 static struct sh_timer_config tmu0_platform_data = { 138 .channel_offset = 0x02, 139 .timer_bit = 0, 140 .clockevent_rating = 200, 141 }; 142 143 static struct resource tmu0_resources[] = { 144 [0] = { 145 .start = 0xfffffe94, 146 .end = 0xfffffe9f, 147 .flags = IORESOURCE_MEM, 148 }, 149 [1] = { 150 .start = evt2irq(0x400), 151 .flags = IORESOURCE_IRQ, 152 }, 153 }; 154 155 static struct platform_device tmu0_device = { 156 .name = "sh_tmu", 157 .id = 0, 158 .dev = { 159 .platform_data = &tmu0_platform_data, 160 }, 161 .resource = tmu0_resources, 162 .num_resources = ARRAY_SIZE(tmu0_resources), 163 }; 164 165 static struct sh_timer_config tmu1_platform_data = { 166 .channel_offset = 0xe, 167 .timer_bit = 1, 168 .clocksource_rating = 200, 169 }; 170 171 static struct resource tmu1_resources[] = { 172 [0] = { 173 .start = 0xfffffea0, 174 .end = 0xfffffeab, 175 .flags = IORESOURCE_MEM, 176 }, 177 [1] = { 178 .start = evt2irq(0x420), 179 .flags = IORESOURCE_IRQ, 180 }, 181 }; 182 183 static struct platform_device tmu1_device = { 184 .name = "sh_tmu", 185 .id = 1, 186 .dev = { 187 .platform_data = &tmu1_platform_data, 188 }, 189 .resource = tmu1_resources, 190 .num_resources = ARRAY_SIZE(tmu1_resources), 191 }; 192 193 static struct sh_timer_config tmu2_platform_data = { 194 .channel_offset = 0x1a, 195 .timer_bit = 2, 196 }; 197 198 static struct resource tmu2_resources[] = { 199 [0] = { 200 .start = 0xfffffeac, 201 .end = 0xfffffebb, 202 .flags = IORESOURCE_MEM, 203 }, 204 [1] = { 205 .start = evt2irq(0x440), 206 .flags = IORESOURCE_IRQ, 207 }, 208 }; 209 210 static struct platform_device tmu2_device = { 211 .name = "sh_tmu", 212 .id = 2, 213 .dev = { 214 .platform_data = &tmu2_platform_data, 215 }, 216 .resource = tmu2_resources, 217 .num_resources = ARRAY_SIZE(tmu2_resources), 218 }; 219 220 static struct platform_device *sh7705_devices[] __initdata = { 221 &scif0_device, 222 &scif1_device, 223 &tmu0_device, 224 &tmu1_device, 225 &tmu2_device, 226 &rtc_device, 227 }; 228 229 static int __init sh7705_devices_setup(void) 230 { 231 return platform_add_devices(sh7705_devices, 232 ARRAY_SIZE(sh7705_devices)); 233 } 234 arch_initcall(sh7705_devices_setup); 235 236 static struct platform_device *sh7705_early_devices[] __initdata = { 237 &scif0_device, 238 &scif1_device, 239 &tmu0_device, 240 &tmu1_device, 241 &tmu2_device, 242 }; 243 244 void __init plat_early_device_setup(void) 245 { 246 early_platform_add_devices(sh7705_early_devices, 247 ARRAY_SIZE(sh7705_early_devices)); 248 } 249 250 void __init plat_irq_setup(void) 251 { 252 register_intc_controller(&intc_desc); 253 plat_irq_setup_sh3(); 254 } 255