arch/sh/kernel/cpu/sh3/setup-sh7720.c

   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 }