1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * SH7705 Setup 4 * 5 * Copyright (C) 2006 - 2009 Paul Mundt 6 * Copyright (C) 2007 Nobuhiro Iwamatsu 7 */ 8 #include <linux/platform_device.h> 9 #include <linux/init.h> 10 #include <linux/irq.h> 11 #include <linux/serial.h> 12 #include <linux/serial_sci.h> 13 #include <linux/sh_timer.h> 14 #include <linux/sh_intc.h> 15 #include <asm/rtc.h> 16 #include <cpu/serial.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 scif0_platform_data = { 70 .scscr = SCSCR_CKE1, 71 .type = PORT_SCIF, 72 .ops = &sh770x_sci_port_ops, 73 .regtype = SCIx_SH7705_SCIF_REGTYPE, 74 }; 75 76 static struct resource scif0_resources[] = { 77 DEFINE_RES_MEM(0xa4410000, 0x100), 78 DEFINE_RES_IRQ(evt2irq(0x900)), 79 }; 80 81 static struct platform_device scif0_device = { 82 .name = "sh-sci", 83 .id = 0, 84 .resource = scif0_resources, 85 .num_resources = ARRAY_SIZE(scif0_resources), 86 .dev = { 87 .platform_data = &scif0_platform_data, 88 }, 89 }; 90 91 static struct plat_sci_port scif1_platform_data = { 92 .type = PORT_SCIF, 93 .ops = &sh770x_sci_port_ops, 94 .regtype = SCIx_SH7705_SCIF_REGTYPE, 95 }; 96 97 static struct resource scif1_resources[] = { 98 DEFINE_RES_MEM(0xa4400000, 0x100), 99 DEFINE_RES_IRQ(evt2irq(0x880)), 100 }; 101 102 static struct platform_device scif1_device = { 103 .name = "sh-sci", 104 .id = 1, 105 .resource = scif1_resources, 106 .num_resources = ARRAY_SIZE(scif1_resources), 107 .dev = { 108 .platform_data = &scif1_platform_data, 109 }, 110 }; 111 112 static struct resource rtc_resources[] = { 113 [0] = { 114 .start = 0xfffffec0, 115 .end = 0xfffffec0 + 0x1e, 116 .flags = IORESOURCE_IO, 117 }, 118 [1] = { 119 .start = evt2irq(0x480), 120 .flags = IORESOURCE_IRQ, 121 }, 122 }; 123 124 static struct sh_rtc_platform_info rtc_info = { 125 .capabilities = RTC_CAP_4_DIGIT_YEAR, 126 }; 127 128 static struct platform_device rtc_device = { 129 .name = "sh-rtc", 130 .id = -1, 131 .num_resources = ARRAY_SIZE(rtc_resources), 132 .resource = rtc_resources, 133 .dev = { 134 .platform_data = &rtc_info, 135 }, 136 }; 137 138 static struct sh_timer_config tmu0_platform_data = { 139 .channels_mask = 7, 140 }; 141 142 static struct resource tmu0_resources[] = { 143 DEFINE_RES_MEM(0xfffffe90, 0x2c), 144 DEFINE_RES_IRQ(evt2irq(0x400)), 145 DEFINE_RES_IRQ(evt2irq(0x420)), 146 DEFINE_RES_IRQ(evt2irq(0x440)), 147 }; 148 149 static struct platform_device tmu0_device = { 150 .name = "sh-tmu-sh3", 151 .id = 0, 152 .dev = { 153 .platform_data = &tmu0_platform_data, 154 }, 155 .resource = tmu0_resources, 156 .num_resources = ARRAY_SIZE(tmu0_resources), 157 }; 158 159 static struct platform_device *sh7705_devices[] __initdata = { 160 &scif0_device, 161 &scif1_device, 162 &tmu0_device, 163 &rtc_device, 164 }; 165 166 static int __init sh7705_devices_setup(void) 167 { 168 return platform_add_devices(sh7705_devices, 169 ARRAY_SIZE(sh7705_devices)); 170 } 171 arch_initcall(sh7705_devices_setup); 172 173 static struct platform_device *sh7705_early_devices[] __initdata = { 174 &scif0_device, 175 &scif1_device, 176 &tmu0_device, 177 }; 178 179 void __init plat_early_device_setup(void) 180 { 181 early_platform_add_devices(sh7705_early_devices, 182 ARRAY_SIZE(sh7705_early_devices)); 183 } 184 185 void __init plat_irq_setup(void) 186 { 187 register_intc_controller(&intc_desc); 188 plat_irq_setup_sh3(); 189 } 190