b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | |
| 13 | enum { |
| 14 | UNUSED = 0, |
| 15 | |
| 16 | /* interrupt sources */ |
| 17 | IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, |
| 18 | IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15, |
| 19 | |
| 20 | PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7, |
| 21 | SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1, |
| 22 | |
| 23 | SCIF0, SCIF1, |
| 24 | |
| 25 | MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5, |
| 26 | MTU2_TGI3B, MTU2_TGI3C, |
| 27 | |
| 28 | /* interrupt groups */ |
| 29 | PINT, |
| 30 | }; |
| 31 | |
| 32 | static struct intc_vect vectors[] __initdata = { |
| 33 | INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65), |
| 34 | INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67), |
| 35 | INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69), |
| 36 | INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71), |
| 37 | INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73), |
| 38 | INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75), |
| 39 | INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77), |
| 40 | INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79), |
| 41 | |
| 42 | INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81), |
| 43 | INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83), |
| 44 | INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85), |
| 45 | INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87), |
| 46 | |
| 47 | INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95), |
| 48 | INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97), |
| 49 | INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99), |
| 50 | INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101), |
| 51 | |
| 52 | INTC_IRQ(SCIF0, 220), INTC_IRQ(SCIF0, 221), |
| 53 | INTC_IRQ(SCIF0, 222), INTC_IRQ(SCIF0, 223), |
| 54 | INTC_IRQ(SCIF1, 224), INTC_IRQ(SCIF1, 225), |
| 55 | INTC_IRQ(SCIF1, 226), INTC_IRQ(SCIF1, 227), |
| 56 | |
| 57 | INTC_IRQ(MTU2_GROUP1, 228), INTC_IRQ(MTU2_GROUP1, 229), |
| 58 | INTC_IRQ(MTU2_GROUP1, 230), INTC_IRQ(MTU2_GROUP1, 231), |
| 59 | INTC_IRQ(MTU2_GROUP1, 232), INTC_IRQ(MTU2_GROUP1, 233), |
| 60 | |
| 61 | INTC_IRQ(MTU2_GROUP2, 234), INTC_IRQ(MTU2_GROUP2, 235), |
| 62 | INTC_IRQ(MTU2_GROUP2, 236), INTC_IRQ(MTU2_GROUP2, 237), |
| 63 | INTC_IRQ(MTU2_GROUP2, 238), INTC_IRQ(MTU2_GROUP2, 239), |
| 64 | |
| 65 | INTC_IRQ(MTU2_GROUP3, 240), INTC_IRQ(MTU2_GROUP3, 241), |
| 66 | INTC_IRQ(MTU2_GROUP3, 242), INTC_IRQ(MTU2_GROUP3, 243), |
| 67 | |
| 68 | INTC_IRQ(MTU2_TGI3B, 244), |
| 69 | INTC_IRQ(MTU2_TGI3C, 245), |
| 70 | |
| 71 | INTC_IRQ(MTU2_GROUP4, 246), INTC_IRQ(MTU2_GROUP4, 247), |
| 72 | INTC_IRQ(MTU2_GROUP4, 248), INTC_IRQ(MTU2_GROUP4, 249), |
| 73 | INTC_IRQ(MTU2_GROUP4, 250), INTC_IRQ(MTU2_GROUP4, 251), |
| 74 | |
| 75 | INTC_IRQ(MTU2_GROUP5, 252), INTC_IRQ(MTU2_GROUP5, 253), |
| 76 | INTC_IRQ(MTU2_GROUP5, 254), INTC_IRQ(MTU2_GROUP5, 255), |
| 77 | }; |
| 78 | |
| 79 | static struct intc_group groups[] __initdata = { |
| 80 | INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3, |
| 81 | PINT4, PINT5, PINT6, PINT7), |
| 82 | }; |
| 83 | |
| 84 | static struct intc_prio_reg prio_registers[] __initdata = { |
| 85 | { 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, |
| 86 | { 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, |
| 87 | { 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } }, |
| 88 | { 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } }, |
| 89 | { 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } }, |
| 90 | { 0xfffd9800, 0, 16, 4, /* IPR06 */ { } }, |
| 91 | { 0xfffd9802, 0, 16, 4, /* IPR07 */ { } }, |
| 92 | { 0xfffd9804, 0, 16, 4, /* IPR08 */ { } }, |
| 93 | { 0xfffd9806, 0, 16, 4, /* IPR09 */ { } }, |
| 94 | { 0xfffd9808, 0, 16, 4, /* IPR10 */ { } }, |
| 95 | { 0xfffd980a, 0, 16, 4, /* IPR11 */ { } }, |
| 96 | { 0xfffd980c, 0, 16, 4, /* IPR12 */ { } }, |
| 97 | { 0xfffd980e, 0, 16, 4, /* IPR13 */ { } }, |
| 98 | { 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } }, |
| 99 | { 0xfffd9812, 0, 16, 4, /* IPR15 */ |
| 100 | { SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } }, |
| 101 | { 0xfffd9814, 0, 16, 4, /* IPR16 */ |
| 102 | { MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } }, |
| 103 | }; |
| 104 | |
| 105 | static struct intc_mask_reg mask_registers[] __initdata = { |
| 106 | { 0xfffd9408, 0, 16, /* PINTER */ |
| 107 | { 0, 0, 0, 0, 0, 0, 0, 0, |
| 108 | PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } }, |
| 109 | }; |
| 110 | |
| 111 | static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups, |
| 112 | mask_registers, prio_registers, NULL); |
| 113 | |
| 114 | static struct resource mtu2_resources[] = { |
| 115 | DEFINE_RES_MEM(0xff801000, 0x400), |
| 116 | DEFINE_RES_IRQ_NAMED(228, "tgi0a"), |
| 117 | DEFINE_RES_IRQ_NAMED(234, "tgi1a"), |
| 118 | DEFINE_RES_IRQ_NAMED(240, "tgi2a"), |
| 119 | }; |
| 120 | |
| 121 | static struct platform_device mtu2_device = { |
| 122 | .name = "sh-mtu2", |
| 123 | .id = -1, |
| 124 | .resource = mtu2_resources, |
| 125 | .num_resources = ARRAY_SIZE(mtu2_resources), |
| 126 | }; |
| 127 | |
| 128 | static struct plat_sci_port scif0_platform_data = { |
| 129 | .scscr = SCSCR_REIE, |
| 130 | .type = PORT_SCIF, |
| 131 | }; |
| 132 | |
| 133 | static struct resource scif0_resources[] = { |
| 134 | DEFINE_RES_MEM(0xff804000, 0x100), |
| 135 | DEFINE_RES_IRQ(220), |
| 136 | }; |
| 137 | |
| 138 | static struct platform_device scif0_device = { |
| 139 | .name = "sh-sci", |
| 140 | .id = 0, |
| 141 | .resource = scif0_resources, |
| 142 | .num_resources = ARRAY_SIZE(scif0_resources), |
| 143 | .dev = { |
| 144 | .platform_data = &scif0_platform_data, |
| 145 | }, |
| 146 | }; |
| 147 | |
| 148 | static struct platform_device *mxg_devices[] __initdata = { |
| 149 | &scif0_device, |
| 150 | &mtu2_device, |
| 151 | }; |
| 152 | |
| 153 | static int __init mxg_devices_setup(void) |
| 154 | { |
| 155 | return platform_add_devices(mxg_devices, |
| 156 | ARRAY_SIZE(mxg_devices)); |
| 157 | } |
| 158 | arch_initcall(mxg_devices_setup); |
| 159 | |
| 160 | void __init plat_irq_setup(void) |
| 161 | { |
| 162 | register_intc_controller(&intc_desc); |
| 163 | } |
| 164 | |
| 165 | static struct platform_device *mxg_early_devices[] __initdata = { |
| 166 | &scif0_device, |
| 167 | &mtu2_device, |
| 168 | }; |
| 169 | |
| 170 | void __init plat_early_device_setup(void) |
| 171 | { |
| 172 | early_platform_add_devices(mxg_early_devices, |
| 173 | ARRAY_SIZE(mxg_early_devices)); |
| 174 | } |