1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Renesas MX-G (R8A03022BG) Setup 4 * 5 * Copyright (C) 2008, 2009 Paul Mundt 6 */ 7 #include <linux/platform_device.h> 8 #include <linux/init.h> 9 #include <linux/serial.h> 10 #include <linux/serial_sci.h> 11 #include <linux/sh_timer.h> 12 #include <asm/platform_early.h> 13 14 enum { 15 UNUSED = 0, 16 17 /* interrupt sources */ 18 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, 19 IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15, 20 21 PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7, 22 SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1, 23 24 SCIF0, SCIF1, 25 26 MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5, 27 MTU2_TGI3B, MTU2_TGI3C, 28 29 /* interrupt groups */ 30 PINT, 31 }; 32 33 static struct intc_vect vectors[] __initdata = { 34 INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65), 35 INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67), 36 INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69), 37 INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71), 38 INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73), 39 INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75), 40 INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77), 41 INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79), 42 43 INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81), 44 INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83), 45 INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85), 46 INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87), 47 48 INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95), 49 INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97), 50 INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99), 51 INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101), 52 53 INTC_IRQ(SCIF0, 220), INTC_IRQ(SCIF0, 221), 54 INTC_IRQ(SCIF0, 222), INTC_IRQ(SCIF0, 223), 55 INTC_IRQ(SCIF1, 224), INTC_IRQ(SCIF1, 225), 56 INTC_IRQ(SCIF1, 226), INTC_IRQ(SCIF1, 227), 57 58 INTC_IRQ(MTU2_GROUP1, 228), INTC_IRQ(MTU2_GROUP1, 229), 59 INTC_IRQ(MTU2_GROUP1, 230), INTC_IRQ(MTU2_GROUP1, 231), 60 INTC_IRQ(MTU2_GROUP1, 232), INTC_IRQ(MTU2_GROUP1, 233), 61 62 INTC_IRQ(MTU2_GROUP2, 234), INTC_IRQ(MTU2_GROUP2, 235), 63 INTC_IRQ(MTU2_GROUP2, 236), INTC_IRQ(MTU2_GROUP2, 237), 64 INTC_IRQ(MTU2_GROUP2, 238), INTC_IRQ(MTU2_GROUP2, 239), 65 66 INTC_IRQ(MTU2_GROUP3, 240), INTC_IRQ(MTU2_GROUP3, 241), 67 INTC_IRQ(MTU2_GROUP3, 242), INTC_IRQ(MTU2_GROUP3, 243), 68 69 INTC_IRQ(MTU2_TGI3B, 244), 70 INTC_IRQ(MTU2_TGI3C, 245), 71 72 INTC_IRQ(MTU2_GROUP4, 246), INTC_IRQ(MTU2_GROUP4, 247), 73 INTC_IRQ(MTU2_GROUP4, 248), INTC_IRQ(MTU2_GROUP4, 249), 74 INTC_IRQ(MTU2_GROUP4, 250), INTC_IRQ(MTU2_GROUP4, 251), 75 76 INTC_IRQ(MTU2_GROUP5, 252), INTC_IRQ(MTU2_GROUP5, 253), 77 INTC_IRQ(MTU2_GROUP5, 254), INTC_IRQ(MTU2_GROUP5, 255), 78 }; 79 80 static struct intc_group groups[] __initdata = { 81 INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3, 82 PINT4, PINT5, PINT6, PINT7), 83 }; 84 85 static struct intc_prio_reg prio_registers[] __initdata = { 86 { 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, 87 { 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, 88 { 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } }, 89 { 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } }, 90 { 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } }, 91 { 0xfffd9800, 0, 16, 4, /* IPR06 */ { } }, 92 { 0xfffd9802, 0, 16, 4, /* IPR07 */ { } }, 93 { 0xfffd9804, 0, 16, 4, /* IPR08 */ { } }, 94 { 0xfffd9806, 0, 16, 4, /* IPR09 */ { } }, 95 { 0xfffd9808, 0, 16, 4, /* IPR10 */ { } }, 96 { 0xfffd980a, 0, 16, 4, /* IPR11 */ { } }, 97 { 0xfffd980c, 0, 16, 4, /* IPR12 */ { } }, 98 { 0xfffd980e, 0, 16, 4, /* IPR13 */ { } }, 99 { 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } }, 100 { 0xfffd9812, 0, 16, 4, /* IPR15 */ 101 { SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } }, 102 { 0xfffd9814, 0, 16, 4, /* IPR16 */ 103 { MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } }, 104 }; 105 106 static struct intc_mask_reg mask_registers[] __initdata = { 107 { 0xfffd9408, 0, 16, /* PINTER */ 108 { 0, 0, 0, 0, 0, 0, 0, 0, 109 PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } }, 110 }; 111 112 static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups, 113 mask_registers, prio_registers, NULL); 114 115 static struct resource mtu2_resources[] = { 116 DEFINE_RES_MEM(0xff801000, 0x400), 117 DEFINE_RES_IRQ_NAMED(228, "tgi0a"), 118 DEFINE_RES_IRQ_NAMED(234, "tgi1a"), 119 DEFINE_RES_IRQ_NAMED(240, "tgi2a"), 120 }; 121 122 static struct platform_device mtu2_device = { 123 .name = "sh-mtu2", 124 .id = -1, 125 .resource = mtu2_resources, 126 .num_resources = ARRAY_SIZE(mtu2_resources), 127 }; 128 129 static struct plat_sci_port scif0_platform_data = { 130 .scscr = SCSCR_REIE, 131 .type = PORT_SCIF, 132 }; 133 134 static struct resource scif0_resources[] = { 135 DEFINE_RES_MEM(0xff804000, 0x100), 136 DEFINE_RES_IRQ(220), 137 }; 138 139 static struct platform_device scif0_device = { 140 .name = "sh-sci", 141 .id = 0, 142 .resource = scif0_resources, 143 .num_resources = ARRAY_SIZE(scif0_resources), 144 .dev = { 145 .platform_data = &scif0_platform_data, 146 }, 147 }; 148 149 static struct platform_device *mxg_devices[] __initdata = { 150 &scif0_device, 151 &mtu2_device, 152 }; 153 mxg_devices_setup(void)154 static int __init mxg_devices_setup(void) 155 { 156 return platform_add_devices(mxg_devices, 157 ARRAY_SIZE(mxg_devices)); 158 } 159 arch_initcall(mxg_devices_setup); 160 plat_irq_setup(void)161 void __init plat_irq_setup(void) 162 { 163 register_intc_controller(&intc_desc); 164 } 165 166 static struct platform_device *mxg_early_devices[] __initdata = { 167 &scif0_device, 168 &mtu2_device, 169 }; 170 plat_early_device_setup(void)171 void __init plat_early_device_setup(void) 172 { 173 sh_early_platform_add_devices(mxg_early_devices, 174 ARRAY_SIZE(mxg_early_devices)); 175 } 176