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 <asm/platform_early.h>
  23 #include <cpu/serial.h>
  24
  25 static struct resource rtc_resources[] = {
  26         [0] = {
  27                 .start  = 0xa413fec0,
  28                 .end    = 0xa413fec0 + 0x28 - 1,
  29                 .flags  = IORESOURCE_IO,
  30         },
  31         [1] = {
  32                 /* Shared Period/Carry/Alarm IRQ */
  33                 .start  = evt2irq(0x480),
  34                 .flags  = IORESOURCE_IRQ,
  35         },
  36 };
  37
  38 static struct sh_rtc_platform_info rtc_info = {
  39         .capabilities   = RTC_CAP_4_DIGIT_YEAR,
  40 };
  41
  42 static struct platform_device rtc_device = {
  43         .name           = "sh-rtc",
  44         .id             = -1,
  45         .num_resources  = ARRAY_SIZE(rtc_resources),
  46         .resource       = rtc_resources,
  47         .dev            = {
  48                 .platform_data = &rtc_info,
  49         },
  50 };
  51
  52 static struct plat_sci_port scif0_platform_data = {
  53         .type           = PORT_SCIF,
  54         .ops            = &sh7720_sci_port_ops,
  55         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  56 };
  57
  58 static struct resource scif0_resources[] = {
  59         DEFINE_RES_MEM(0xa4430000, 0x100),
  60         DEFINE_RES_IRQ(evt2irq(0xc00)),
  61 };
  62
  63 static struct platform_device scif0_device = {
  64         .name           = "sh-sci",
  65         .id             = 0,
  66         .resource       = scif0_resources,
  67         .num_resources  = ARRAY_SIZE(scif0_resources),
  68         .dev            = {
  69                 .platform_data  = &scif0_platform_data,
  70         },
  71 };
  72
  73 static struct plat_sci_port scif1_platform_data = {
  74         .type           = PORT_SCIF,
  75         .ops            = &sh7720_sci_port_ops,
  76         .regtype        = SCIx_SH7705_SCIF_REGTYPE,
  77 };
  78
  79 static struct resource scif1_resources[] = {
  80         DEFINE_RES_MEM(0xa4438000, 0x100),
  81         DEFINE_RES_IRQ(evt2irq(0xc20)),
  82 };
  83
  84 static struct platform_device scif1_device = {
  85         .name           = "sh-sci",
  86         .id             = 1,
  87         .resource       = scif1_resources,
  88         .num_resources  = ARRAY_SIZE(scif1_resources),
  89         .dev            = {
  90                 .platform_data  = &scif1_platform_data,
  91         },
  92 };
  93
  94 static struct resource usb_ohci_resources[] = {
  95         [0] = {
  96                 .start  = 0xA4428000,
  97                 .end    = 0xA44280FF,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [1] = {
 101                 .start  = evt2irq(0xa60),
 102                 .end    = evt2irq(0xa60),
 103                 .flags  = IORESOURCE_IRQ,
 104         },
 105 };
 106
 107 static u64 usb_ohci_dma_mask = 0xffffffffUL;
 108
 109 static struct usb_ohci_pdata usb_ohci_pdata;
 110
 111 static struct platform_device usb_ohci_device = {
 112         .name           = "ohci-platform",
 113         .id             = -1,
 114         .dev = {
 115                 .dma_mask               = &usb_ohci_dma_mask,
 116                 .coherent_dma_mask      = 0xffffffff,
 117                 .platform_data          = &usb_ohci_pdata,
 118         },
 119         .num_resources  = ARRAY_SIZE(usb_ohci_resources),
 120         .resource       = usb_ohci_resources,
 121 };
 122
 123 static struct resource usbf_resources[] = {
 124         [0] = {
 125                 .name   = "sh_udc",
 126                 .start  = 0xA4420000,
 127                 .end    = 0xA44200FF,
 128                 .flags  = IORESOURCE_MEM,
 129         },
 130         [1] = {
 131                 .name   = "sh_udc",
 132                 .start  = evt2irq(0xa20),
 133                 .end    = evt2irq(0xa20),
 134                 .flags  = IORESOURCE_IRQ,
 135         },
 136 };
 137
 138 static struct platform_device usbf_device = {
 139         .name           = "sh_udc",
 140         .id             = -1,
 141         .dev = {
 142                 .dma_mask               = NULL,
 143                 .coherent_dma_mask      = 0xffffffff,
 144         },
 145         .num_resources  = ARRAY_SIZE(usbf_resources),
 146         .resource       = usbf_resources,
 147 };
 148
 149 static struct sh_timer_config cmt_platform_data = {
 150         .channels_mask = 0x1f,
 151 };
 152
 153 static struct resource cmt_resources[] = {
 154         DEFINE_RES_MEM(0x044a0000, 0x60),
 155         DEFINE_RES_IRQ(evt2irq(0xf00)),
 156 };
 157
 158 static struct platform_device cmt_device = {
 159         .name           = "sh-cmt-32",
 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 sh_timer_config tmu0_platform_data = {
 169         .channels_mask = 7,
 170 };
 171
 172 static struct resource tmu0_resources[] = {
 173         DEFINE_RES_MEM(0xa412fe90, 0x28),
 174         DEFINE_RES_IRQ(evt2irq(0x400)),
 175         DEFINE_RES_IRQ(evt2irq(0x420)),
 176         DEFINE_RES_IRQ(evt2irq(0x440)),
 177 };
 178
 179 static struct platform_device tmu0_device = {
 180         .name           = "sh-tmu-sh3",
 181         .id             = 0,
 182         .dev = {
 183                 .platform_data  = &tmu0_platform_data,
 184         },
 185         .resource       = tmu0_resources,
 186         .num_resources  = ARRAY_SIZE(tmu0_resources),
 187 };
 188
 189 static struct platform_device *sh7720_devices[] __initdata = {
 190         &scif0_device,
 191         &scif1_device,
 192         &cmt_device,
 193         &tmu0_device,
 194         &rtc_device,
 195         &usb_ohci_device,
 196         &usbf_device,
 197 };
 198
 199 static int __init sh7720_devices_setup(void)
 200 {
 201         return platform_add_devices(sh7720_devices,
 202                                     ARRAY_SIZE(sh7720_devices));
 203 }
 204 arch_initcall(sh7720_devices_setup);
 205
 206 static struct platform_device *sh7720_early_devices[] __initdata = {
 207         &scif0_device,
 208         &scif1_device,
 209         &cmt_device,
 210         &tmu0_device,
 211 };
 212
 213 void __init plat_early_device_setup(void)
 214 {
 215         sh_early_platform_add_devices(sh7720_early_devices,
 216                                    ARRAY_SIZE(sh7720_early_devices));
 217 }
 218
 219 enum {
 220         UNUSED = 0,
 221
 222         /* interrupt sources */
 223         TMU0, TMU1, TMU2, RTC,
 224         WDT, REF_RCMI, SIM,
 225         IRQ0, IRQ1, IRQ2, IRQ3,
 226         USBF_SPD, TMU_SUNI, IRQ5, IRQ4,
 227         DMAC1, LCDC, SSL,
 228         ADC, DMAC2, USBFI, CMT,
 229         SCIF0, SCIF1,
 230         PINT07, PINT815, TPU, IIC,
 231         SIOF0, SIOF1, MMC, PCC,
 232         USBHI, AFEIF,
 233         H_UDI,
 234 };
 235
 236 static struct intc_vect vectors[] __initdata = {
 237         /* IRQ0->5 are handled in setup-sh3.c */
 238         INTC_VECT(TMU0, 0x400),       INTC_VECT(TMU1, 0x420),
 239         INTC_VECT(TMU2, 0x440),       INTC_VECT(RTC, 0x480),
 240         INTC_VECT(RTC, 0x4a0),        INTC_VECT(RTC, 0x4c0),
 241         INTC_VECT(SIM, 0x4e0),        INTC_VECT(SIM, 0x500),
 242         INTC_VECT(SIM, 0x520),        INTC_VECT(SIM, 0x540),
 243         INTC_VECT(WDT, 0x560),        INTC_VECT(REF_RCMI, 0x580),
 244         /* H_UDI cannot be masked */  INTC_VECT(TMU_SUNI, 0x6c0),
 245         INTC_VECT(USBF_SPD, 0x6e0),   INTC_VECT(DMAC1, 0x800),
 246         INTC_VECT(DMAC1, 0x820),      INTC_VECT(DMAC1, 0x840),
 247         INTC_VECT(DMAC1, 0x860),      INTC_VECT(LCDC, 0x900),
 248 #if defined(CONFIG_CPU_SUBTYPE_SH7720)
 249         INTC_VECT(SSL, 0x980),
 250 #endif
 251         INTC_VECT(USBFI, 0xa20),      INTC_VECT(USBFI, 0xa40),
 252         INTC_VECT(USBHI, 0xa60),
 253         INTC_VECT(DMAC2, 0xb80),      INTC_VECT(DMAC2, 0xba0),
 254         INTC_VECT(ADC, 0xbe0),        INTC_VECT(SCIF0, 0xc00),
 255         INTC_VECT(SCIF1, 0xc20),      INTC_VECT(PINT07, 0xc80),
 256         INTC_VECT(PINT815, 0xca0),    INTC_VECT(SIOF0, 0xd00),
 257         INTC_VECT(SIOF1, 0xd20),      INTC_VECT(TPU, 0xd80),
 258         INTC_VECT(TPU, 0xda0),        INTC_VECT(TPU, 0xdc0),
 259         INTC_VECT(TPU, 0xde0),        INTC_VECT(IIC, 0xe00),
 260         INTC_VECT(MMC, 0xe80),        INTC_VECT(MMC, 0xea0),
 261         INTC_VECT(MMC, 0xec0),        INTC_VECT(MMC, 0xee0),
 262         INTC_VECT(CMT, 0xf00),        INTC_VECT(PCC, 0xf60),
 263         INTC_VECT(AFEIF, 0xfe0),
 264 };
 265
 266 static struct intc_prio_reg prio_registers[] __initdata = {
 267         { 0xA414FEE2UL, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
 268         { 0xA414FEE4UL, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, SIM, 0 } },
 269         { 0xA4140016UL, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
 270         { 0xA4140018UL, 0, 16, 4, /* IPRD */ { USBF_SPD, TMU_SUNI, IRQ5, IRQ4 } },
 271         { 0xA414001AUL, 0, 16, 4, /* IPRE */ { DMAC1, 0, LCDC, SSL } },
 272         { 0xA4080000UL, 0, 16, 4, /* IPRF */ { ADC, DMAC2, USBFI, CMT } },
 273         { 0xA4080002UL, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, 0, 0 } },
 274         { 0xA4080004UL, 0, 16, 4, /* IPRH */ { PINT07, PINT815, TPU, IIC } },
 275         { 0xA4080006UL, 0, 16, 4, /* IPRI */ { SIOF0, SIOF1, MMC, PCC } },
 276         { 0xA4080008UL, 0, 16, 4, /* IPRJ */ { 0, USBHI, 0, AFEIF } },
 277 };
 278
 279 static DECLARE_INTC_DESC(intc_desc, "sh7720", vectors, NULL,
 280                 NULL, prio_registers, NULL);
 281
 282 void __init plat_irq_setup(void)
 283 {
 284         register_intc_controller(&intc_desc);
 285         plat_irq_setup_sh3();
 286 }