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