b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Setup code for SH7720, SH7721. |
| 4 | * |
| 5 | * Copyright (C) 2007 Markus Brunner, Mark Jonas |
| 6 | * Copyright (C) 2009 Paul Mundt |
| 7 | * |
| 8 | * Based on arch/sh/kernel/cpu/sh4/setup-sh7750.c: |
| 9 | * |
| 10 | * Copyright (C) 2006 Paul Mundt |
| 11 | * Copyright (C) 2006 Jamie Lenehan |
| 12 | */ |
| 13 | #include <linux/platform_device.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/serial.h> |
| 16 | #include <linux/io.h> |
| 17 | #include <linux/serial_sci.h> |
| 18 | #include <linux/sh_timer.h> |
| 19 | #include <linux/sh_intc.h> |
| 20 | #include <linux/usb/ohci_pdriver.h> |
| 21 | #include <asm/rtc.h> |
| 22 | #include <cpu/serial.h> |
| 23 | |
| 24 | static struct resource rtc_resources[] = { |
| 25 | [0] = { |
| 26 | .start = 0xa413fec0, |
| 27 | .end = 0xa413fec0 + 0x28 - 1, |
| 28 | .flags = IORESOURCE_IO, |
| 29 | }, |
| 30 | [1] = { |
| 31 | /* Shared Period/Carry/Alarm IRQ */ |
| 32 | .start = evt2irq(0x480), |
| 33 | .flags = IORESOURCE_IRQ, |
| 34 | }, |
| 35 | }; |
| 36 | |
| 37 | static struct sh_rtc_platform_info rtc_info = { |
| 38 | .capabilities = RTC_CAP_4_DIGIT_YEAR, |
| 39 | }; |
| 40 | |
| 41 | static struct platform_device rtc_device = { |
| 42 | .name = "sh-rtc", |
| 43 | .id = -1, |
| 44 | .num_resources = ARRAY_SIZE(rtc_resources), |
| 45 | .resource = rtc_resources, |
| 46 | .dev = { |
| 47 | .platform_data = &rtc_info, |
| 48 | }, |
| 49 | }; |
| 50 | |
| 51 | static struct plat_sci_port scif0_platform_data = { |
| 52 | .type = PORT_SCIF, |
| 53 | .ops = &sh7720_sci_port_ops, |
| 54 | .regtype = SCIx_SH7705_SCIF_REGTYPE, |
| 55 | }; |
| 56 | |
| 57 | static struct resource scif0_resources[] = { |
| 58 | DEFINE_RES_MEM(0xa4430000, 0x100), |
| 59 | DEFINE_RES_IRQ(evt2irq(0xc00)), |
| 60 | }; |
| 61 | |
| 62 | static struct platform_device scif0_device = { |
| 63 | .name = "sh-sci", |
| 64 | .id = 0, |
| 65 | .resource = scif0_resources, |
| 66 | .num_resources = ARRAY_SIZE(scif0_resources), |
| 67 | .dev = { |
| 68 | .platform_data = &scif0_platform_data, |
| 69 | }, |
| 70 | }; |
| 71 | |
| 72 | static struct plat_sci_port scif1_platform_data = { |
| 73 | .type = PORT_SCIF, |
| 74 | .ops = &sh7720_sci_port_ops, |
| 75 | .regtype = SCIx_SH7705_SCIF_REGTYPE, |
| 76 | }; |
| 77 | |
| 78 | static struct resource scif1_resources[] = { |
| 79 | DEFINE_RES_MEM(0xa4438000, 0x100), |
| 80 | DEFINE_RES_IRQ(evt2irq(0xc20)), |
| 81 | }; |
| 82 | |
| 83 | static struct platform_device scif1_device = { |
| 84 | .name = "sh-sci", |
| 85 | .id = 1, |
| 86 | .resource = scif1_resources, |
| 87 | .num_resources = ARRAY_SIZE(scif1_resources), |
| 88 | .dev = { |
| 89 | .platform_data = &scif1_platform_data, |
| 90 | }, |
| 91 | }; |
| 92 | |
| 93 | static struct resource usb_ohci_resources[] = { |
| 94 | [0] = { |
| 95 | .start = 0xA4428000, |
| 96 | .end = 0xA44280FF, |
| 97 | .flags = IORESOURCE_MEM, |
| 98 | }, |
| 99 | [1] = { |
| 100 | .start = evt2irq(0xa60), |
| 101 | .end = evt2irq(0xa60), |
| 102 | .flags = IORESOURCE_IRQ, |
| 103 | }, |
| 104 | }; |
| 105 | |
| 106 | static u64 usb_ohci_dma_mask = 0xffffffffUL; |
| 107 | |
| 108 | static struct usb_ohci_pdata usb_ohci_pdata; |
| 109 | |
| 110 | static struct platform_device usb_ohci_device = { |
| 111 | .name = "ohci-platform", |
| 112 | .id = -1, |
| 113 | .dev = { |
| 114 | .dma_mask = &usb_ohci_dma_mask, |
| 115 | .coherent_dma_mask = 0xffffffff, |
| 116 | .platform_data = &usb_ohci_pdata, |
| 117 | }, |
| 118 | .num_resources = ARRAY_SIZE(usb_ohci_resources), |
| 119 | .resource = usb_ohci_resources, |
| 120 | }; |
| 121 | |
| 122 | static struct resource usbf_resources[] = { |
| 123 | [0] = { |
| 124 | .name = "sh_udc", |
| 125 | .start = 0xA4420000, |
| 126 | .end = 0xA44200FF, |
| 127 | .flags = IORESOURCE_MEM, |
| 128 | }, |
| 129 | [1] = { |
| 130 | .name = "sh_udc", |
| 131 | .start = evt2irq(0xa20), |
| 132 | .end = evt2irq(0xa20), |
| 133 | .flags = IORESOURCE_IRQ, |
| 134 | }, |
| 135 | }; |
| 136 | |
| 137 | static struct platform_device usbf_device = { |
| 138 | .name = "sh_udc", |
| 139 | .id = -1, |
| 140 | .dev = { |
| 141 | .dma_mask = NULL, |
| 142 | .coherent_dma_mask = 0xffffffff, |
| 143 | }, |
| 144 | .num_resources = ARRAY_SIZE(usbf_resources), |
| 145 | .resource = usbf_resources, |
| 146 | }; |
| 147 | |
| 148 | static struct sh_timer_config cmt_platform_data = { |
| 149 | .channels_mask = 0x1f, |
| 150 | }; |
| 151 | |
| 152 | static struct resource cmt_resources[] = { |
| 153 | DEFINE_RES_MEM(0x044a0000, 0x60), |
| 154 | DEFINE_RES_IRQ(evt2irq(0xf00)), |
| 155 | }; |
| 156 | |
| 157 | static struct platform_device cmt_device = { |
| 158 | .name = "sh-cmt-32", |
| 159 | .id = 0, |
| 160 | .dev = { |
| 161 | .platform_data = &cmt_platform_data, |
| 162 | }, |
| 163 | .resource = cmt_resources, |
| 164 | .num_resources = ARRAY_SIZE(cmt_resources), |
| 165 | }; |
| 166 | |
| 167 | static struct sh_timer_config tmu0_platform_data = { |
| 168 | .channels_mask = 7, |
| 169 | }; |
| 170 | |
| 171 | static struct resource tmu0_resources[] = { |
| 172 | DEFINE_RES_MEM(0xa412fe90, 0x28), |
| 173 | DEFINE_RES_IRQ(evt2irq(0x400)), |
| 174 | DEFINE_RES_IRQ(evt2irq(0x420)), |
| 175 | DEFINE_RES_IRQ(evt2irq(0x440)), |
| 176 | }; |
| 177 | |
| 178 | static struct platform_device tmu0_device = { |
| 179 | .name = "sh-tmu-sh3", |
| 180 | .id = 0, |
| 181 | .dev = { |
| 182 | .platform_data = &tmu0_platform_data, |
| 183 | }, |
| 184 | .resource = tmu0_resources, |
| 185 | .num_resources = ARRAY_SIZE(tmu0_resources), |
| 186 | }; |
| 187 | |
| 188 | static struct platform_device *sh7720_devices[] __initdata = { |
| 189 | &scif0_device, |
| 190 | &scif1_device, |
| 191 | &cmt_device, |
| 192 | &tmu0_device, |
| 193 | &rtc_device, |
| 194 | &usb_ohci_device, |
| 195 | &usbf_device, |
| 196 | }; |
| 197 | |
| 198 | static int __init sh7720_devices_setup(void) |
| 199 | { |
| 200 | return platform_add_devices(sh7720_devices, |
| 201 | ARRAY_SIZE(sh7720_devices)); |
| 202 | } |
| 203 | arch_initcall(sh7720_devices_setup); |
| 204 | |
| 205 | static struct platform_device *sh7720_early_devices[] __initdata = { |
| 206 | &scif0_device, |
| 207 | &scif1_device, |
| 208 | &cmt_device, |
| 209 | &tmu0_device, |
| 210 | }; |
| 211 | |
| 212 | void __init plat_early_device_setup(void) |
| 213 | { |
| 214 | early_platform_add_devices(sh7720_early_devices, |
| 215 | ARRAY_SIZE(sh7720_early_devices)); |
| 216 | } |
| 217 | |
| 218 | enum { |
| 219 | UNUSED = 0, |
| 220 | |
| 221 | /* interrupt sources */ |
| 222 | TMU0, TMU1, TMU2, RTC, |
| 223 | WDT, REF_RCMI, SIM, |
| 224 | IRQ0, IRQ1, IRQ2, IRQ3, |
| 225 | USBF_SPD, TMU_SUNI, IRQ5, IRQ4, |
| 226 | DMAC1, LCDC, SSL, |
| 227 | ADC, DMAC2, USBFI, CMT, |
| 228 | SCIF0, SCIF1, |
| 229 | PINT07, PINT815, TPU, IIC, |
| 230 | SIOF0, SIOF1, MMC, PCC, |
| 231 | USBHI, AFEIF, |
| 232 | H_UDI, |
| 233 | }; |
| 234 | |
| 235 | static struct intc_vect vectors[] __initdata = { |
| 236 | /* IRQ0->5 are handled in setup-sh3.c */ |
| 237 | INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), |
| 238 | INTC_VECT(TMU2, 0x440), INTC_VECT(RTC, 0x480), |
| 239 | INTC_VECT(RTC, 0x4a0), INTC_VECT(RTC, 0x4c0), |
| 240 | INTC_VECT(SIM, 0x4e0), INTC_VECT(SIM, 0x500), |
| 241 | INTC_VECT(SIM, 0x520), INTC_VECT(SIM, 0x540), |
| 242 | INTC_VECT(WDT, 0x560), INTC_VECT(REF_RCMI, 0x580), |
| 243 | /* H_UDI cannot be masked */ INTC_VECT(TMU_SUNI, 0x6c0), |
| 244 | INTC_VECT(USBF_SPD, 0x6e0), INTC_VECT(DMAC1, 0x800), |
| 245 | INTC_VECT(DMAC1, 0x820), INTC_VECT(DMAC1, 0x840), |
| 246 | INTC_VECT(DMAC1, 0x860), INTC_VECT(LCDC, 0x900), |
| 247 | #if defined(CONFIG_CPU_SUBTYPE_SH7720) |
| 248 | INTC_VECT(SSL, 0x980), |
| 249 | #endif |
| 250 | INTC_VECT(USBFI, 0xa20), INTC_VECT(USBFI, 0xa40), |
| 251 | INTC_VECT(USBHI, 0xa60), |
| 252 | INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0), |
| 253 | INTC_VECT(ADC, 0xbe0), INTC_VECT(SCIF0, 0xc00), |
| 254 | INTC_VECT(SCIF1, 0xc20), INTC_VECT(PINT07, 0xc80), |
| 255 | INTC_VECT(PINT815, 0xca0), INTC_VECT(SIOF0, 0xd00), |
| 256 | INTC_VECT(SIOF1, 0xd20), INTC_VECT(TPU, 0xd80), |
| 257 | INTC_VECT(TPU, 0xda0), INTC_VECT(TPU, 0xdc0), |
| 258 | INTC_VECT(TPU, 0xde0), INTC_VECT(IIC, 0xe00), |
| 259 | INTC_VECT(MMC, 0xe80), INTC_VECT(MMC, 0xea0), |
| 260 | INTC_VECT(MMC, 0xec0), INTC_VECT(MMC, 0xee0), |
| 261 | INTC_VECT(CMT, 0xf00), INTC_VECT(PCC, 0xf60), |
| 262 | INTC_VECT(AFEIF, 0xfe0), |
| 263 | }; |
| 264 | |
| 265 | static struct intc_prio_reg prio_registers[] __initdata = { |
| 266 | { 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, |
| 267 | { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } }, |
| 268 | { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } }, |
| 269 | { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } }, |
| 270 | { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } }, |
| 271 | { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } }, |
| 272 | { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } }, |
| 273 | { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } }, |
| 274 | { 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } }, |
| 275 | { 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } }, |
| 276 | }; |
| 277 | |
| 278 | static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, NULL, |
| 279 | NULL, prio_registers, NULL); |
| 280 | |
| 281 | void __init plat_irq_setup(void) |
| 282 | { |
| 283 | register_intc_controller(&intc_desc); |
| 284 | plat_irq_setup_sh3(); |
| 285 | } |