arch/sh/kernel/cpu/sh4a/setup-sh7785.c

   1 /*
   2  * SH7785 Setup
   3  *
   4  *  Copyright (C) 2007  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/serial_sci.h>
  14 #include <linux/io.h>
  15 #include <linux/mm.h>
  16 #include <asm/mmzone.h>
  17
  18 static struct plat_sci_port sci_platform_data[] = {
  19         {
  20                 .mapbase        = 0xffea0000,
  21                 .flags          = UPF_BOOT_AUTOCONF,
  22                 .type           = PORT_SCIF,
  23                 .irqs           = { 40, 41, 43, 42 },
  24         }, {
  25                 .mapbase        = 0xffeb0000,
  26                 .flags          = UPF_BOOT_AUTOCONF,
  27                 .type           = PORT_SCIF,
  28                 .irqs           = { 44, 45, 47, 46 },
  29         },
  30
  31         /*
  32          * The rest of these all have multiplexed IRQs
  33          */
  34         {
  35                 .mapbase        = 0xffec0000,
  36                 .flags          = UPF_BOOT_AUTOCONF,
  37                 .type           = PORT_SCIF,
  38                 .irqs           = { 60, 60, 60, 60 },
  39         }, {
  40                 .mapbase        = 0xffed0000,
  41                 .flags          = UPF_BOOT_AUTOCONF,
  42                 .type           = PORT_SCIF,
  43                 .irqs           = { 61, 61, 61, 61 },
  44         }, {
  45                 .mapbase        = 0xffee0000,
  46                 .flags          = UPF_BOOT_AUTOCONF,
  47                 .type           = PORT_SCIF,
  48                 .irqs           = { 62, 62, 62, 62 },
  49         }, {
  50                 .mapbase        = 0xffef0000,
  51                 .flags          = UPF_BOOT_AUTOCONF,
  52                 .type           = PORT_SCIF,
  53                 .irqs           = { 63, 63, 63, 63 },
  54         }, {
  55                 .flags = 0,
  56         }
  57 };
  58
  59 static struct platform_device sci_device = {
  60         .name           = "sh-sci",
  61         .id             = -1,
  62         .dev            = {
  63                 .platform_data  = sci_platform_data,
  64         },
  65 };
  66
  67 static struct platform_device *sh7785_devices[] __initdata = {
  68         &sci_device,
  69 };
  70
  71 static int __init sh7785_devices_setup(void)
  72 {
  73         return platform_add_devices(sh7785_devices,
  74                                     ARRAY_SIZE(sh7785_devices));
  75 }
  76 __initcall(sh7785_devices_setup);
  77
  78 enum {
  79         UNUSED = 0,
  80
  81         /* interrupt sources */
  82
  83         IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
  84         IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
  85         IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
  86         IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
  87
  88         IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
  89         IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
  90         IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
  91         IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
  92
  93         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
  94         WDT,
  95         TMU0, TMU1, TMU2, TMU2_TICPI,
  96         HUDI,
  97         DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2, DMAC0_DMINT3,
  98         DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE,
  99         SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
 100         SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
 101         DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8, DMAC1_DMINT9,
 102         DMAC1_DMINT10, DMAC1_DMINT11, DMAC1_DMAE,
 103         HSPI,
 104         SCIF2, SCIF3, SCIF4, SCIF5,
 105         PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD,
 106         PCIERR, PCIPWD3, PCIPWD2, PCIPWD1, PCIPWD0,
 107         SIOF,
 108         MMCIF_FSTAT, MMCIF_TRAN, MMCIF_ERR, MMCIF_FRDY,
 109         DU,
 110         GDTA_GACLI, GDTA_GAMCI, GDTA_GAERI,
 111         TMU3, TMU4, TMU5,
 112         SSI0, SSI1,
 113         HAC0, HAC1,
 114         FLCTL_FLSTE, FLCTL_FLEND, FLCTL_FLTRQ0, FLCTL_FLTRQ1,
 115         GPIOI0, GPIOI1, GPIOI2, GPIOI3,
 116
 117         /* interrupt groups */
 118
 119         TMU012, DMAC0, SCIF0, SCIF1, DMAC1,
 120         PCIC5, MMCIF, GDTA, TMU345, FLCTL, GPIO
 121 };
 122
 123 static struct intc_vect vectors[] __initdata = {
 124         INTC_VECT(WDT, 0x560),
 125         INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
 126         INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
 127         INTC_VECT(HUDI, 0x600),
 128         INTC_VECT(DMAC0_DMINT0, 0x620), INTC_VECT(DMAC0_DMINT1, 0x640),
 129         INTC_VECT(DMAC0_DMINT2, 0x660), INTC_VECT(DMAC0_DMINT3, 0x680),
 130         INTC_VECT(DMAC0_DMINT4, 0x6a0), INTC_VECT(DMAC0_DMINT5, 0x6c0),
 131         INTC_VECT(DMAC0_DMAE, 0x6e0),
 132         INTC_VECT(SCIF0_ERI, 0x700), INTC_VECT(SCIF0_RXI, 0x720),
 133         INTC_VECT(SCIF0_BRI, 0x740), INTC_VECT(SCIF0_TXI, 0x760),
 134         INTC_VECT(SCIF1_ERI, 0x780), INTC_VECT(SCIF1_RXI, 0x7a0),
 135         INTC_VECT(SCIF1_BRI, 0x7c0), INTC_VECT(SCIF1_TXI, 0x7e0),
 136         INTC_VECT(DMAC1_DMINT6, 0x880), INTC_VECT(DMAC1_DMINT7, 0x8a0),
 137         INTC_VECT(DMAC1_DMINT8, 0x8c0), INTC_VECT(DMAC1_DMINT9, 0x8e0),
 138         INTC_VECT(DMAC1_DMINT10, 0x900), INTC_VECT(DMAC1_DMINT11, 0x920),
 139         INTC_VECT(DMAC1_DMAE, 0x940),
 140         INTC_VECT(HSPI, 0x960),
 141         INTC_VECT(SCIF2, 0x980), INTC_VECT(SCIF3, 0x9a0),
 142         INTC_VECT(SCIF4, 0x9c0), INTC_VECT(SCIF5, 0x9e0),
 143         INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
 144         INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
 145         INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIERR, 0xaa0),
 146         INTC_VECT(PCIPWD3, 0xac0), INTC_VECT(PCIPWD2, 0xae0),
 147         INTC_VECT(PCIPWD1, 0xb00), INTC_VECT(PCIPWD0, 0xb20),
 148         INTC_VECT(SIOF, 0xc00),
 149         INTC_VECT(MMCIF_FSTAT, 0xd00), INTC_VECT(MMCIF_TRAN, 0xd20),
 150         INTC_VECT(MMCIF_ERR, 0xd40), INTC_VECT(MMCIF_FRDY, 0xd60),
 151         INTC_VECT(DU, 0xd80),
 152         INTC_VECT(GDTA_GACLI, 0xda0), INTC_VECT(GDTA_GAMCI, 0xdc0),
 153         INTC_VECT(GDTA_GAERI, 0xde0),
 154         INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
 155         INTC_VECT(TMU5, 0xe40),
 156         INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
 157         INTC_VECT(HAC0, 0xec0), INTC_VECT(HAC1, 0xee0),
 158         INTC_VECT(FLCTL_FLSTE, 0xf00), INTC_VECT(FLCTL_FLEND, 0xf20),
 159         INTC_VECT(FLCTL_FLTRQ0, 0xf40), INTC_VECT(FLCTL_FLTRQ1, 0xf60),
 160         INTC_VECT(GPIOI0, 0xf80), INTC_VECT(GPIOI1, 0xfa0),
 161         INTC_VECT(GPIOI2, 0xfc0), INTC_VECT(GPIOI3, 0xfe0),
 162 };
 163
 164 static struct intc_group groups[] __initdata = {
 165         INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
 166         INTC_GROUP(DMAC0, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2,
 167                    DMAC0_DMINT3, DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE),
 168         INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
 169         INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
 170         INTC_GROUP(DMAC1, DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8,
 171                    DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11, DMAC1_DMAE),
 172         INTC_GROUP(PCIC5, PCIERR, PCIPWD3, PCIPWD2, PCIPWD1, PCIPWD0),
 173         INTC_GROUP(MMCIF, MMCIF_FSTAT, MMCIF_TRAN, MMCIF_ERR, MMCIF_FRDY),
 174         INTC_GROUP(GDTA, GDTA_GACLI, GDTA_GAMCI, GDTA_GAERI),
 175         INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
 176         INTC_GROUP(FLCTL, FLCTL_FLSTE, FLCTL_FLEND,
 177                    FLCTL_FLTRQ0, FLCTL_FLTRQ1),
 178         INTC_GROUP(GPIO, GPIOI0, GPIOI1, GPIOI2, GPIOI3),
 179 };
 180
 181 static struct intc_mask_reg mask_registers[] __initdata = {
 182         { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
 183           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 184
 185         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
 186           { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
 187             IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
 188             IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
 189             IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
 190             IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
 191             IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
 192             IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
 193             IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
 194
 195         { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
 196           { 0, 0, 0, GDTA, DU, SSI0, SSI1, GPIO,
 197             FLCTL, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
 198             PCIINTA, PCISERR, HAC1, HAC0, DMAC1, DMAC0, HUDI, WDT,
 199             SCIF5, SCIF4, SCIF3, SCIF2, SCIF1, SCIF0, TMU345, TMU012 } },
 200 };
 201
 202 static struct intc_prio_reg prio_registers[] __initdata = {
 203         { 0xffd00010, 0, 32, 4, /* INTPRI */   { IRQ0, IRQ1, IRQ2, IRQ3,
 204                                                  IRQ4, IRQ5, IRQ6, IRQ7 } },
 205         { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
 206                                                  TMU2, TMU2_TICPI } },
 207         { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, } },
 208         { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1,
 209                                                  SCIF2, SCIF3 } },
 210         { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { SCIF4, SCIF5, WDT, } },
 211         { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { HUDI, DMAC0, DMAC1, } },
 212         { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { HAC0, HAC1,
 213                                                  PCISERR, PCIINTA } },
 214         { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { PCIINTB, PCIINTC,
 215                                                  PCIINTD, PCIC5 } },
 216         { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { SIOF, HSPI, MMCIF, } },
 217         { 0xffd40020, 0, 32, 8, /* INT2PRI8 */ { FLCTL, GPIO, SSI0, SSI1, } },
 218         { 0xffd40024, 0, 32, 8, /* INT2PRI9 */ { DU, GDTA, } },
 219 };
 220
 221 static DECLARE_INTC_DESC(intc_desc, "sh7785", vectors, groups,
 222                          mask_registers, prio_registers, NULL);
 223
 224 /* Support for external interrupt pins in IRQ mode */
 225
 226 static struct intc_vect vectors_irq0123[] __initdata = {
 227         INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
 228         INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
 229 };
 230
 231 static struct intc_vect vectors_irq4567[] __initdata = {
 232         INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
 233         INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
 234 };
 235
 236 static struct intc_sense_reg sense_registers[] __initdata = {
 237         { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
 238                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
 239 };
 240
 241 static struct intc_mask_reg ack_registers[] __initdata = {
 242         { 0xffd00024, 0, 32, /* INTREQ */
 243           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
 244 };
 245
 246 static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7785-irq0123",
 247                              vectors_irq0123, NULL, mask_registers,
 248                              prio_registers, sense_registers, ack_registers);
 249
 250 static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7785-irq4567",
 251                              vectors_irq4567, NULL, mask_registers,
 252                              prio_registers, sense_registers, ack_registers);
 253
 254 /* External interrupt pins in IRL mode */
 255
 256 static struct intc_vect vectors_irl0123[] __initdata = {
 257         INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
 258         INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
 259         INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
 260         INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
 261         INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
 262         INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
 263         INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
 264         INTC_VECT(IRL0_HHHL, 0x3c0),
 265 };
 266
 267 static struct intc_vect vectors_irl4567[] __initdata = {
 268         INTC_VECT(IRL4_LLLL, 0xb00), INTC_VECT(IRL4_LLLH, 0xb20),
 269         INTC_VECT(IRL4_LLHL, 0xb40), INTC_VECT(IRL4_LLHH, 0xb60),
 270         INTC_VECT(IRL4_LHLL, 0xb80), INTC_VECT(IRL4_LHLH, 0xba0),
 271         INTC_VECT(IRL4_LHHL, 0xbc0), INTC_VECT(IRL4_LHHH, 0xbe0),
 272         INTC_VECT(IRL4_HLLL, 0xc00), INTC_VECT(IRL4_HLLH, 0xc20),
 273         INTC_VECT(IRL4_HLHL, 0xc40), INTC_VECT(IRL4_HLHH, 0xc60),
 274         INTC_VECT(IRL4_HHLL, 0xc80), INTC_VECT(IRL4_HHLH, 0xca0),
 275         INTC_VECT(IRL4_HHHL, 0xcc0),
 276 };
 277
 278 static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7785-irl0123", vectors_irl0123,
 279                          NULL, mask_registers, NULL, NULL);
 280
 281 static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7785-irl4567", vectors_irl4567,
 282                          NULL, mask_registers, NULL, NULL);
 283
 284 #define INTC_ICR0       0xffd00000
 285 #define INTC_INTMSK0    0xffd00044
 286 #define INTC_INTMSK1    0xffd00048
 287 #define INTC_INTMSK2    0xffd40080
 288 #define INTC_INTMSKCLR1 0xffd00068
 289 #define INTC_INTMSKCLR2 0xffd40084
 290
 291 void __init plat_irq_setup(void)
 292 {
 293         /* disable IRQ3-0 + IRQ7-4 */
 294         ctrl_outl(0xff000000, INTC_INTMSK0);
 295
 296         /* disable IRL3-0 + IRL7-4 */
 297         ctrl_outl(0xc0000000, INTC_INTMSK1);
 298         ctrl_outl(0xfffefffe, INTC_INTMSK2);
 299
 300         /* select IRL mode for IRL3-0 + IRL7-4 */
 301         ctrl_outl(ctrl_inl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
 302
 303         /* disable holding function, ie enable "SH-4 Mode" */
 304         ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00200000, INTC_ICR0);
 305
 306         register_intc_controller(&intc_desc);
 307 }
 308
 309 void __init plat_irq_setup_pins(int mode)
 310 {
 311         switch (mode) {
 312         case IRQ_MODE_IRQ7654:
 313                 /* select IRQ mode for IRL7-4 */
 314                 ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00400000, INTC_ICR0);
 315                 register_intc_controller(&intc_desc_irq4567);
 316                 break;
 317         case IRQ_MODE_IRQ3210:
 318                 /* select IRQ mode for IRL3-0 */
 319                 ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00800000, INTC_ICR0);
 320                 register_intc_controller(&intc_desc_irq0123);
 321                 break;
 322         case IRQ_MODE_IRL7654:
 323                 /* enable IRL7-4 but don't provide any masking */
 324                 ctrl_outl(0x40000000, INTC_INTMSKCLR1);
 325                 ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
 326                 break;
 327         case IRQ_MODE_IRL3210:
 328                 /* enable IRL0-3 but don't provide any masking */
 329                 ctrl_outl(0x80000000, INTC_INTMSKCLR1);
 330                 ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
 331                 break;
 332         case IRQ_MODE_IRL7654_MASK:
 333                 /* enable IRL7-4 and mask using cpu intc controller */
 334                 ctrl_outl(0x40000000, INTC_INTMSKCLR1);
 335                 register_intc_controller(&intc_desc_irl4567);
 336                 break;
 337         case IRQ_MODE_IRL3210_MASK:
 338                 /* enable IRL0-3 and mask using cpu intc controller */
 339                 ctrl_outl(0x80000000, INTC_INTMSKCLR1);
 340                 register_intc_controller(&intc_desc_irl0123);
 341                 break;
 342         default:
 343                 BUG();
 344         }
 345 }
 346
 347 void __init plat_mem_setup(void)
 348 {
 349         /* Register the URAM space as Node 1 */
 350         setup_bootmem_node(1, 0xe55f0000, 0xe5610000);
 351 }