b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * SH7619 Setup |
| 4 | * |
| 5 | * Copyright (C) 2006 Yoshinori Sato |
| 6 | * Copyright (C) 2009 Paul Mundt |
| 7 | */ |
| 8 | #include <linux/platform_device.h> |
| 9 | #include <linux/init.h> |
| 10 | #include <linux/serial.h> |
| 11 | #include <linux/serial_sci.h> |
| 12 | #include <linux/sh_eth.h> |
| 13 | #include <linux/sh_timer.h> |
| 14 | #include <linux/io.h> |
| 15 | |
| 16 | enum { |
| 17 | UNUSED = 0, |
| 18 | |
| 19 | /* interrupt sources */ |
| 20 | IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7, |
| 21 | WDT, EDMAC, CMT0, CMT1, |
| 22 | SCIF0, SCIF1, SCIF2, |
| 23 | HIF_HIFI, HIF_HIFBI, |
| 24 | DMAC0, DMAC1, DMAC2, DMAC3, |
| 25 | SIOF, |
| 26 | }; |
| 27 | |
| 28 | static struct intc_vect vectors[] __initdata = { |
| 29 | INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65), |
| 30 | INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67), |
| 31 | INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81), |
| 32 | INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83), |
| 33 | INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85), |
| 34 | INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87), |
| 35 | INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89), |
| 36 | INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91), |
| 37 | INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93), |
| 38 | INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95), |
| 39 | INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97), |
| 40 | INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99), |
| 41 | INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101), |
| 42 | INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105), |
| 43 | INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107), |
| 44 | INTC_IRQ(SIOF, 108), |
| 45 | }; |
| 46 | |
| 47 | static struct intc_prio_reg prio_registers[] __initdata = { |
| 48 | { 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } }, |
| 49 | { 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } }, |
| 50 | { 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } }, |
| 51 | { 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } }, |
| 52 | { 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } }, |
| 53 | { 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } }, |
| 54 | { 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } }, |
| 55 | }; |
| 56 | |
| 57 | static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL, |
| 58 | NULL, prio_registers, NULL); |
| 59 | |
| 60 | static struct plat_sci_port scif0_platform_data = { |
| 61 | .scscr = SCSCR_REIE, |
| 62 | .type = PORT_SCIF, |
| 63 | }; |
| 64 | |
| 65 | static struct resource scif0_resources[] = { |
| 66 | DEFINE_RES_MEM(0xf8400000, 0x100), |
| 67 | DEFINE_RES_IRQ(88), |
| 68 | }; |
| 69 | |
| 70 | static struct platform_device scif0_device = { |
| 71 | .name = "sh-sci", |
| 72 | .id = 0, |
| 73 | .resource = scif0_resources, |
| 74 | .num_resources = ARRAY_SIZE(scif0_resources), |
| 75 | .dev = { |
| 76 | .platform_data = &scif0_platform_data, |
| 77 | }, |
| 78 | }; |
| 79 | |
| 80 | static struct plat_sci_port scif1_platform_data = { |
| 81 | .scscr = SCSCR_REIE, |
| 82 | .type = PORT_SCIF, |
| 83 | }; |
| 84 | |
| 85 | static struct resource scif1_resources[] = { |
| 86 | DEFINE_RES_MEM(0xf8410000, 0x100), |
| 87 | DEFINE_RES_IRQ(92), |
| 88 | }; |
| 89 | |
| 90 | static struct platform_device scif1_device = { |
| 91 | .name = "sh-sci", |
| 92 | .id = 1, |
| 93 | .resource = scif1_resources, |
| 94 | .num_resources = ARRAY_SIZE(scif1_resources), |
| 95 | .dev = { |
| 96 | .platform_data = &scif1_platform_data, |
| 97 | }, |
| 98 | }; |
| 99 | |
| 100 | static struct plat_sci_port scif2_platform_data = { |
| 101 | .scscr = SCSCR_REIE, |
| 102 | .type = PORT_SCIF, |
| 103 | }; |
| 104 | |
| 105 | static struct resource scif2_resources[] = { |
| 106 | DEFINE_RES_MEM(0xf8420000, 0x100), |
| 107 | DEFINE_RES_IRQ(96), |
| 108 | }; |
| 109 | |
| 110 | static struct platform_device scif2_device = { |
| 111 | .name = "sh-sci", |
| 112 | .id = 2, |
| 113 | .resource = scif2_resources, |
| 114 | .num_resources = ARRAY_SIZE(scif2_resources), |
| 115 | .dev = { |
| 116 | .platform_data = &scif2_platform_data, |
| 117 | }, |
| 118 | }; |
| 119 | |
| 120 | static struct sh_eth_plat_data eth_platform_data = { |
| 121 | .phy = 1, |
| 122 | .phy_interface = PHY_INTERFACE_MODE_MII, |
| 123 | }; |
| 124 | |
| 125 | static struct resource eth_resources[] = { |
| 126 | [0] = { |
| 127 | .start = 0xfb000000, |
| 128 | .end = 0xfb0001c7, |
| 129 | .flags = IORESOURCE_MEM, |
| 130 | }, |
| 131 | [1] = { |
| 132 | .start = 85, |
| 133 | .end = 85, |
| 134 | .flags = IORESOURCE_IRQ, |
| 135 | }, |
| 136 | }; |
| 137 | |
| 138 | static struct platform_device eth_device = { |
| 139 | .name = "sh7619-ether", |
| 140 | .id = -1, |
| 141 | .dev = { |
| 142 | .platform_data = ð_platform_data, |
| 143 | }, |
| 144 | .num_resources = ARRAY_SIZE(eth_resources), |
| 145 | .resource = eth_resources, |
| 146 | }; |
| 147 | |
| 148 | static struct sh_timer_config cmt_platform_data = { |
| 149 | .channels_mask = 3, |
| 150 | }; |
| 151 | |
| 152 | static struct resource cmt_resources[] = { |
| 153 | DEFINE_RES_MEM(0xf84a0070, 0x10), |
| 154 | DEFINE_RES_IRQ(86), |
| 155 | DEFINE_RES_IRQ(87), |
| 156 | }; |
| 157 | |
| 158 | static struct platform_device cmt_device = { |
| 159 | .name = "sh-cmt-16", |
| 160 | .id = 0, |
| 161 | .dev = { |
| 162 | .platform_data = &cmt_platform_data, |
| 163 | }, |
| 164 | .resource = cmt_resources, |
| 165 | .num_resources = ARRAY_SIZE(cmt_resources), |
| 166 | }; |
| 167 | |
| 168 | static struct platform_device *sh7619_devices[] __initdata = { |
| 169 | &scif0_device, |
| 170 | &scif1_device, |
| 171 | &scif2_device, |
| 172 | ð_device, |
| 173 | &cmt_device, |
| 174 | }; |
| 175 | |
| 176 | static int __init sh7619_devices_setup(void) |
| 177 | { |
| 178 | return platform_add_devices(sh7619_devices, |
| 179 | ARRAY_SIZE(sh7619_devices)); |
| 180 | } |
| 181 | arch_initcall(sh7619_devices_setup); |
| 182 | |
| 183 | void __init plat_irq_setup(void) |
| 184 | { |
| 185 | register_intc_controller(&intc_desc); |
| 186 | } |
| 187 | |
| 188 | static struct platform_device *sh7619_early_devices[] __initdata = { |
| 189 | &scif0_device, |
| 190 | &scif1_device, |
| 191 | &scif2_device, |
| 192 | &cmt_device, |
| 193 | }; |
| 194 | |
| 195 | #define STBCR3 0xf80a0000 |
| 196 | |
| 197 | void __init plat_early_device_setup(void) |
| 198 | { |
| 199 | /* enable CMT clock */ |
| 200 | __raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3); |
| 201 | |
| 202 | early_platform_add_devices(sh7619_early_devices, |
| 203 | ARRAY_SIZE(sh7619_early_devices)); |
| 204 | } |