arch/sh/boards/mach-highlander/setup.c

   1 /*
   2  * arch/sh/boards/renesas/r7780rp/setup.c
   3  *
   4  * Renesas Solutions Highlander Support.
   5  *
   6  * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
   7  * Copyright (C) 2005 - 2008 Paul Mundt
   8  *
   9  * This contains support for the R7780RP-1, R7780MP, and R7785RP
  10  * Highlander modules.
  11  *
  12  * This file is subject to the terms and conditions of the GNU General Public
  13  * License.  See the file "COPYING" in the main directory of this archive
  14  * for more details.
  15  */
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/ata_platform.h>
  19 #include <linux/types.h>
  20 #include <linux/mtd/physmap.h>
  21 #include <linux/i2c.h>
  22 #include <linux/irq.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/usb/r8a66597.h>
  25 #include <net/ax88796.h>
  26 #include <asm/machvec.h>
  27 #include <mach/highlander.h>
  28 #include <asm/clock.h>
  29 #include <asm/heartbeat.h>
  30 #include <asm/io.h>
  31 #include <asm/io_trapped.h>
  32
  33 static struct r8a66597_platdata r8a66597_data = {
  34         .xtal = R8A66597_PLATDATA_XTAL_12MHZ,
  35         .vif = 1,
  36 };
  37
  38 static struct resource r8a66597_usb_host_resources[] = {
  39         [0] = {
  40                 .start  = 0xA4200000,
  41                 .end    = 0xA42000FF,
  42                 .flags  = IORESOURCE_MEM,
  43         },
  44         [1] = {
  45                 .start  = IRQ_EXT1,             /* irq number */
  46                 .end    = IRQ_EXT1,
  47                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
  48         },
  49 };
  50
  51 static struct platform_device r8a66597_usb_host_device = {
  52         .name           = "r8a66597_hcd",
  53         .id             = -1,
  54         .dev = {
  55                 .dma_mask               = NULL,         /* don't use dma */
  56                 .coherent_dma_mask      = 0xffffffff,
  57                 .platform_data          = &r8a66597_data,
  58         },
  59         .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
  60         .resource       = r8a66597_usb_host_resources,
  61 };
  62
  63 static struct resource m66592_usb_peripheral_resources[] = {
  64         [0] = {
  65                 .name   = "m66592_udc",
  66                 .start  = 0xb0000000,
  67                 .end    = 0xb00000FF,
  68                 .flags  = IORESOURCE_MEM,
  69         },
  70         [1] = {
  71                 .name   = "m66592_udc",
  72                 .start  = IRQ_EXT4,             /* irq number */
  73                 .end    = IRQ_EXT4,
  74                 .flags  = IORESOURCE_IRQ,
  75         },
  76 };
  77
  78 static struct platform_device m66592_usb_peripheral_device = {
  79         .name           = "m66592_udc",
  80         .id             = -1,
  81         .dev = {
  82                 .dma_mask               = NULL,         /* don't use dma */
  83                 .coherent_dma_mask      = 0xffffffff,
  84         },
  85         .num_resources  = ARRAY_SIZE(m66592_usb_peripheral_resources),
  86         .resource       = m66592_usb_peripheral_resources,
  87 };
  88
  89 static struct resource cf_ide_resources[] = {
  90         [0] = {
  91                 .start  = PA_AREA5_IO + 0x1000,
  92                 .end    = PA_AREA5_IO + 0x1000 + 0x08 - 1,
  93                 .flags  = IORESOURCE_MEM,
  94         },
  95         [1] = {
  96                 .start  = PA_AREA5_IO + 0x80c,
  97                 .end    = PA_AREA5_IO + 0x80c + 0x16 - 1,
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [2] = {
 101                 .start  = IRQ_CF,
 102                 .flags  = IORESOURCE_IRQ,
 103         },
 104 };
 105
 106 static struct pata_platform_info pata_info = {
 107         .ioport_shift   = 1,
 108 };
 109
 110 static struct platform_device cf_ide_device  = {
 111         .name           = "pata_platform",
 112         .id             = -1,
 113         .num_resources  = ARRAY_SIZE(cf_ide_resources),
 114         .resource       = cf_ide_resources,
 115         .dev    = {
 116                 .platform_data  = &pata_info,
 117         },
 118 };
 119
 120 static struct resource heartbeat_resources[] = {
 121         [0] = {
 122                 .start  = PA_OBLED,
 123                 .end    = PA_OBLED,
 124                 .flags  = IORESOURCE_MEM,
 125         },
 126 };
 127
 128 #ifndef CONFIG_SH_R7785RP
 129 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
 130
 131 static struct heartbeat_data heartbeat_data = {
 132         .bit_pos        = heartbeat_bit_pos,
 133         .nr_bits        = ARRAY_SIZE(heartbeat_bit_pos),
 134 };
 135 #endif
 136
 137 static struct platform_device heartbeat_device = {
 138         .name           = "heartbeat",
 139         .id             = -1,
 140
 141         /* R7785RP has a slightly more sensible FPGA.. */
 142 #ifndef CONFIG_SH_R7785RP
 143         .dev    = {
 144                 .platform_data  = &heartbeat_data,
 145         },
 146 #endif
 147         .num_resources  = ARRAY_SIZE(heartbeat_resources),
 148         .resource       = heartbeat_resources,
 149 };
 150
 151 static struct ax_plat_data ax88796_platdata = {
 152         .flags          = AXFLG_HAS_93CX6,
 153         .wordlength     = 2,
 154         .dcr_val        = 0x1,
 155         .rcr_val        = 0x40,
 156 };
 157
 158 static struct resource ax88796_resources[] = {
 159         {
 160 #ifdef CONFIG_SH_R7780RP
 161                 .start  = 0xa5800400,
 162                 .end    = 0xa5800400 + (0x20 * 0x2) - 1,
 163 #else
 164                 .start  = 0xa4100400,
 165                 .end    = 0xa4100400 + (0x20 * 0x2) - 1,
 166 #endif
 167                 .flags  = IORESOURCE_MEM,
 168         },
 169         {
 170                 .start  = IRQ_AX88796,
 171                 .end    = IRQ_AX88796,
 172                 .flags  = IORESOURCE_IRQ,
 173         },
 174 };
 175
 176 static struct platform_device ax88796_device = {
 177         .name           = "ax88796",
 178         .id             = 0,
 179
 180         .dev    = {
 181                 .platform_data = &ax88796_platdata,
 182         },
 183
 184         .num_resources  = ARRAY_SIZE(ax88796_resources),
 185         .resource       = ax88796_resources,
 186 };
 187
 188 static struct mtd_partition nor_flash_partitions[] = {
 189         {
 190                 .name           = "loader",
 191                 .offset         = 0x00000000,
 192                 .size           = 512 * 1024,
 193         },
 194         {
 195                 .name           = "bootenv",
 196                 .offset         = MTDPART_OFS_APPEND,
 197                 .size           = 512 * 1024,
 198         },
 199         {
 200                 .name           = "kernel",
 201                 .offset         = MTDPART_OFS_APPEND,
 202                 .size           = 4 * 1024 * 1024,
 203         },
 204         {
 205                 .name           = "data",
 206                 .offset         = MTDPART_OFS_APPEND,
 207                 .size           = MTDPART_SIZ_FULL,
 208         },
 209 };
 210
 211 static struct physmap_flash_data nor_flash_data = {
 212         .width          = 4,
 213         .parts          = nor_flash_partitions,
 214         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 215 };
 216
 217 /* This config is flash board for mass production. */
 218 static struct resource nor_flash_resources[] = {
 219         [0]     = {
 220                 .start  = PA_NORFLASH_ADDR,
 221                 .end    = PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1,
 222                 .flags  = IORESOURCE_MEM,
 223         }
 224 };
 225
 226 static struct platform_device nor_flash_device = {
 227         .name           = "physmap-flash",
 228         .dev            = {
 229                 .platform_data  = &nor_flash_data,
 230         },
 231         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 232         .resource       = nor_flash_resources,
 233 };
 234
 235 static struct resource smbus_resources[] = {
 236         [0] = {
 237                 .start  = PA_SMCR,
 238                 .end    = PA_SMCR + 0x100 - 1,
 239                 .flags  = IORESOURCE_MEM,
 240         },
 241         [1] = {
 242                 .start  = IRQ_SMBUS,
 243                 .end    = IRQ_SMBUS,
 244                 .flags  = IORESOURCE_IRQ,
 245         },
 246 };
 247
 248 static struct platform_device smbus_device = {
 249         .name           = "i2c-highlander",
 250         .id             = 0,
 251         .num_resources  = ARRAY_SIZE(smbus_resources),
 252         .resource       = smbus_resources,
 253 };
 254
 255 static struct i2c_board_info __initdata highlander_i2c_devices[] = {
 256         {
 257                 I2C_BOARD_INFO("r2025sd", 0x32),
 258         },
 259 };
 260
 261 static struct platform_device *r7780rp_devices[] __initdata = {
 262         &r8a66597_usb_host_device,
 263         &m66592_usb_peripheral_device,
 264         &heartbeat_device,
 265         &smbus_device,
 266         &nor_flash_device,
 267 #ifndef CONFIG_SH_R7780RP
 268         &ax88796_device,
 269 #endif
 270 };
 271
 272 /*
 273  * The CF is connected using a 16-bit bus where 8-bit operations are
 274  * unsupported. The linux ata driver is however using 8-bit operations, so
 275  * insert a trapped io filter to convert 8-bit operations into 16-bit.
 276  */
 277 static struct trapped_io cf_trapped_io = {
 278         .resource               = cf_ide_resources,
 279         .num_resources          = 2,
 280         .minimum_bus_width      = 16,
 281 };
 282
 283 static int __init r7780rp_devices_setup(void)
 284 {
 285         int ret = 0;
 286
 287 #ifndef CONFIG_SH_R7780RP
 288         if (register_trapped_io(&cf_trapped_io) == 0)
 289                 ret |= platform_device_register(&cf_ide_device);
 290 #endif
 291
 292         ret |= platform_add_devices(r7780rp_devices,
 293                                     ARRAY_SIZE(r7780rp_devices));
 294
 295         ret |= i2c_register_board_info(0, highlander_i2c_devices,
 296                                        ARRAY_SIZE(highlander_i2c_devices));
 297
 298         return ret;
 299 }
 300 device_initcall(r7780rp_devices_setup);
 301
 302 /*
 303  * Platform specific clocks
 304  */
 305 static int ivdr_clk_enable(struct clk *clk)
 306 {
 307         ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
 308         return 0;
 309 }
 310
 311 static void ivdr_clk_disable(struct clk *clk)
 312 {
 313         ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
 314 }
 315
 316 static struct clk_ops ivdr_clk_ops = {
 317         .enable         = ivdr_clk_enable,
 318         .disable        = ivdr_clk_disable,
 319 };
 320
 321 static struct clk ivdr_clk = {
 322         .name           = "ivdr_clk",
 323         .ops            = &ivdr_clk_ops,
 324 };
 325
 326 static struct clk *r7780rp_clocks[] = {
 327         &ivdr_clk,
 328 };
 329
 330 static void r7780rp_power_off(void)
 331 {
 332         if (mach_is_r7780mp() || mach_is_r7785rp())
 333                 ctrl_outw(0x0001, PA_POFF);
 334 }
 335
 336 /*
 337  * Initialize the board
 338  */
 339 static void __init highlander_setup(char **cmdline_p)
 340 {
 341         u16 ver = ctrl_inw(PA_VERREG);
 342         int i;
 343
 344         printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
 345                          mach_is_r7780rp() ? "R7780RP-1" :
 346                          mach_is_r7780mp() ? "R7780MP"   :
 347                                              "R7785RP");
 348
 349         printk(KERN_INFO "Board version: %d (revision %d), "
 350                          "FPGA version: %d (revision %d)\n",
 351                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 352                          (ver >>  4) & 0xf, ver & 0xf);
 353
 354         highlander_plat_pinmux_setup();
 355
 356         /*
 357          * Enable the important clocks right away..
 358          */
 359         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 360                 struct clk *clk = r7780rp_clocks[i];
 361
 362                 clk_register(clk);
 363                 clk_enable(clk);
 364         }
 365
 366         ctrl_outw(0x0000, PA_OBLED);    /* Clear LED. */
 367
 368         if (mach_is_r7780rp())
 369                 ctrl_outw(0x0001, PA_SDPOW);    /* SD Power ON */
 370
 371         ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);     /* Si13112 */
 372
 373         pm_power_off = r7780rp_power_off;
 374 }
 375
 376 static unsigned char irl2irq[HL_NR_IRL];
 377
 378 static int highlander_irq_demux(int irq)
 379 {
 380         if (irq >= HL_NR_IRL || !irl2irq[irq])
 381                 return irq;
 382
 383         return irl2irq[irq];
 384 }
 385
 386 static void __init highlander_init_irq(void)
 387 {
 388         unsigned char *ucp = highlander_plat_irq_setup();
 389
 390         if (ucp) {
 391                 plat_irq_setup_pins(IRQ_MODE_IRL3210);
 392                 memcpy(irl2irq, ucp, HL_NR_IRL);
 393         }
 394 }
 395
 396 /*
 397  * The Machine Vector
 398  */
 399 static struct sh_machine_vector mv_highlander __initmv = {
 400         .mv_name                = "Highlander",
 401         .mv_setup               = highlander_setup,
 402         .mv_init_irq            = highlander_init_irq,
 403         .mv_irq_demux           = highlander_irq_demux,
 404 };