arch/sh/kernel/cpu/sh4/setup-sh7760.c

   1 /*
   2  * SH7760 Setup
   3  *
   4  *  Copyright (C) 2006  Paul Mundt
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/platform_device.h>
  11 #include <linux/init.h>
  12 #include <linux/serial.h>
  13 #include <linux/sh_timer.h>
  14 #include <linux/sh_intc.h>
  15 #include <linux/serial_sci.h>
  16 #include <linux/io.h>
  17
  18 enum {
  19         UNUSED = 0,
  20
  21         /* interrupt sources */
  22         IRL0, IRL1, IRL2, IRL3,
  23         HUDI, GPIOI, DMAC,
  24         IRQ4, IRQ5, IRQ6, IRQ7,
  25         HCAN20, HCAN21,
  26         SSI0, SSI1,
  27         HAC0, HAC1,
  28         I2C0, I2C1,
  29         USB, LCDC,
  30         DMABRG0, DMABRG1, DMABRG2,
  31         SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
  32         SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
  33         SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
  34         SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
  35         HSPI,
  36         MMCIF0, MMCIF1, MMCIF2, MMCIF3,
  37         MFI, ADC, CMT,
  38         TMU0, TMU1, TMU2,
  39         WDT, REF,
  40
  41         /* interrupt groups */
  42         DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
  43 };
  44
  45 static struct intc_vect vectors[] __initdata = {
  46         INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
  47         INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
  48         INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
  49         INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
  50         INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
  51         INTC_VECT(DMAC, 0x6c0),
  52         INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820),
  53         INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860),
  54         INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920),
  55         INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960),
  56         INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0),
  57         INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0),
  58         INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20),
  59         INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0),
  60         INTC_VECT(DMABRG2, 0xac0),
  61         INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
  62         INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0),
  63         INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20),
  64         INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60),
  65         INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0),
  66         INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0),
  67         INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20),
  68         INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60),
  69         INTC_VECT(HSPI, 0xc80),
  70         INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20),
  71         INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60),
  72         INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */
  73         INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0),
  74         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
  75         INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
  76         INTC_VECT(WDT, 0x560),
  77         INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
  78 };
  79
  80 static struct intc_group groups[] __initdata = {
  81         INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
  82         INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
  83         INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
  84         INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
  85         INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
  86         INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
  87 };
  88
  89 static struct intc_mask_reg mask_registers[] __initdata = {
  90         { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
  91           { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21,
  92             SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
  93             0, DMABRG0, DMABRG1, DMABRG2,
  94             SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
  95             SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
  96             SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
  97         { 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */
  98           { 0, 0, 0, 0, 0, 0, 0, 0,
  99             SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
 100             HSPI, MMCIF0, MMCIF1, MMCIF2,
 101             MMCIF3, 0, 0, 0, 0, 0, 0, 0,
 102             0, MFI, 0, 0, 0, 0, ADC, CMT, } },
 103 };
 104
 105 static struct intc_prio_reg prio_registers[] __initdata = {
 106         { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
 107         { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
 108         { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
 109         { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
 110         { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
 111         { 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
 112                                                  HAC0, HAC1, I2C0, I2C1 } },
 113         { 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
 114                                                  SCIF1, SCIF2, SIM, HSPI } },
 115         { 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0,
 116                                                  MFI, 0, ADC, CMT } },
 117 };
 118
 119 static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups,
 120                          mask_registers, prio_registers, NULL);
 121
 122 static struct intc_vect vectors_irq[] __initdata = {
 123         INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
 124         INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
 125 };
 126
 127 static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups,
 128                          mask_registers, prio_registers, NULL);
 129
 130 static struct plat_sci_port scif0_platform_data = {
 131         .scscr          = SCSCR_REIE,
 132         .type           = PORT_SCIF,
 133         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 134 };
 135
 136 static struct resource scif0_resources[] = {
 137         DEFINE_RES_MEM(0xfe600000, 0x100),
 138         DEFINE_RES_IRQ(evt2irq(0x880)),
 139         DEFINE_RES_IRQ(evt2irq(0x8a0)),
 140         DEFINE_RES_IRQ(evt2irq(0x8e0)),
 141         DEFINE_RES_IRQ(evt2irq(0x8c0)),
 142 };
 143
 144 static struct platform_device scif0_device = {
 145         .name           = "sh-sci",
 146         .id             = 0,
 147         .resource       = scif0_resources,
 148         .num_resources  = ARRAY_SIZE(scif0_resources),
 149         .dev            = {
 150                 .platform_data  = &scif0_platform_data,
 151         },
 152 };
 153
 154 static struct plat_sci_port scif1_platform_data = {
 155         .type           = PORT_SCIF,
 156         .scscr          = SCSCR_REIE,
 157         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 158 };
 159
 160 static struct resource scif1_resources[] = {
 161         DEFINE_RES_MEM(0xfe610000, 0x100),
 162         DEFINE_RES_IRQ(evt2irq(0xb00)),
 163         DEFINE_RES_IRQ(evt2irq(0xb20)),
 164         DEFINE_RES_IRQ(evt2irq(0xb60)),
 165         DEFINE_RES_IRQ(evt2irq(0xb40)),
 166 };
 167
 168 static struct platform_device scif1_device = {
 169         .name           = "sh-sci",
 170         .id             = 1,
 171         .resource       = scif1_resources,
 172         .num_resources  = ARRAY_SIZE(scif1_resources),
 173         .dev            = {
 174                 .platform_data  = &scif1_platform_data,
 175         },
 176 };
 177
 178 static struct plat_sci_port scif2_platform_data = {
 179         .scscr          = SCSCR_REIE,
 180         .type           = PORT_SCIF,
 181         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 182 };
 183
 184 static struct resource scif2_resources[] = {
 185         DEFINE_RES_MEM(0xfe620000, 0x100),
 186         DEFINE_RES_IRQ(evt2irq(0xb80)),
 187         DEFINE_RES_IRQ(evt2irq(0xba0)),
 188         DEFINE_RES_IRQ(evt2irq(0xbe0)),
 189         DEFINE_RES_IRQ(evt2irq(0xbc0)),
 190 };
 191
 192 static struct platform_device scif2_device = {
 193         .name           = "sh-sci",
 194         .id             = 2,
 195         .resource       = scif2_resources,
 196         .num_resources  = ARRAY_SIZE(scif2_resources),
 197         .dev            = {
 198                 .platform_data  = &scif2_platform_data,
 199         },
 200 };
 201
 202 static struct plat_sci_port scif3_platform_data = {
 203         /*
 204          * This is actually a SIM card module serial port, based on an SCI with
 205          * additional registers. The sh-sci driver doesn't support the SIM port
 206          * type, declare it as a SCI. Don't declare the additional registers in
 207          * the memory resource or the driver will compute an incorrect regshift
 208          * value.
 209          */
 210         .type           = PORT_SCI,
 211 };
 212
 213 static struct resource scif3_resources[] = {
 214         DEFINE_RES_MEM(0xfe480000, 0x10),
 215         DEFINE_RES_IRQ(evt2irq(0xc00)),
 216         DEFINE_RES_IRQ(evt2irq(0xc20)),
 217         DEFINE_RES_IRQ(evt2irq(0xc40)),
 218 };
 219
 220 static struct platform_device scif3_device = {
 221         .name           = "sh-sci",
 222         .id             = 3,
 223         .resource       = scif3_resources,
 224         .num_resources  = ARRAY_SIZE(scif3_resources),
 225         .dev            = {
 226                 .platform_data  = &scif3_platform_data,
 227         },
 228 };
 229
 230 static struct sh_timer_config tmu0_platform_data = {
 231         .channels_mask = 7,
 232 };
 233
 234 static struct resource tmu0_resources[] = {
 235         DEFINE_RES_MEM(0xffd80000, 0x30),
 236         DEFINE_RES_IRQ(evt2irq(0x400)),
 237         DEFINE_RES_IRQ(evt2irq(0x420)),
 238         DEFINE_RES_IRQ(evt2irq(0x440)),
 239 };
 240
 241 static struct platform_device tmu0_device = {
 242         .name           = "sh-tmu",
 243         .id             = 0,
 244         .dev = {
 245                 .platform_data  = &tmu0_platform_data,
 246         },
 247         .resource       = tmu0_resources,
 248         .num_resources  = ARRAY_SIZE(tmu0_resources),
 249 };
 250
 251
 252 static struct platform_device *sh7760_devices[] __initdata = {
 253         &scif0_device,
 254         &scif1_device,
 255         &scif2_device,
 256         &scif3_device,
 257         &tmu0_device,
 258 };
 259
 260 static int __init sh7760_devices_setup(void)
 261 {
 262         return platform_add_devices(sh7760_devices,
 263                                     ARRAY_SIZE(sh7760_devices));
 264 }
 265 arch_initcall(sh7760_devices_setup);
 266
 267 static struct platform_device *sh7760_early_devices[] __initdata = {
 268         &scif0_device,
 269         &scif1_device,
 270         &scif2_device,
 271         &scif3_device,
 272         &tmu0_device,
 273 };
 274
 275 void __init plat_early_device_setup(void)
 276 {
 277         early_platform_add_devices(sh7760_early_devices,
 278                                    ARRAY_SIZE(sh7760_early_devices));
 279 }
 280
 281 #define INTC_ICR        0xffd00000UL
 282 #define INTC_ICR_IRLM   (1 << 7)
 283
 284 void __init plat_irq_setup_pins(int mode)
 285 {
 286         switch (mode) {
 287         case IRQ_MODE_IRQ:
 288                 __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
 289                 register_intc_controller(&intc_desc_irq);
 290                 break;
 291         default:
 292                 BUG();
 293         }
 294 }
 295
 296 void __init plat_irq_setup(void)
 297 {
 298         register_intc_controller(&intc_desc);
 299 }