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 <linux/usb/m66592.h>
  26 #include <net/ax88796.h>
  27 #include <asm/machvec.h>
  28 #include <mach/highlander.h>
  29 #include <asm/clock.h>
  30 #include <asm/heartbeat.h>
  31 #include <asm/io.h>
  32 #include <asm/io_trapped.h>
  33
  34 static struct r8a66597_platdata r8a66597_data = {
  35         .xtal = R8A66597_PLATDATA_XTAL_12MHZ,
  36         .vif = 1,
  37 };
  38
  39 static struct resource r8a66597_usb_host_resources[] = {
  40         [0] = {
  41                 .start  = 0xA4200000,
  42                 .end    = 0xA42000FF,
  43                 .flags  = IORESOURCE_MEM,
  44         },
  45         [1] = {
  46                 .start  = IRQ_EXT1,             /* irq number */
  47                 .end    = IRQ_EXT1,
  48                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
  49         },
  50 };
  51
  52 static struct platform_device r8a66597_usb_host_device = {
  53         .name           = "r8a66597_hcd",
  54         .id             = -1,
  55         .dev = {
  56                 .dma_mask               = NULL,         /* don't use dma */
  57                 .coherent_dma_mask      = 0xffffffff,
  58                 .platform_data          = &r8a66597_data,
  59         },
  60         .num_resources  = ARRAY_SIZE(r8a66597_usb_host_resources),
  61         .resource       = r8a66597_usb_host_resources,
  62 };
  63
  64 static struct m66592_platdata usbf_platdata = {
  65         .xtal = M66592_PLATDATA_XTAL_24MHZ,
  66         .vif = 1,
  67 };
  68
  69 static struct resource m66592_usb_peripheral_resources[] = {
  70         [0] = {
  71                 .name   = "m66592_udc",
  72                 .start  = 0xb0000000,
  73                 .end    = 0xb00000FF,
  74                 .flags  = IORESOURCE_MEM,
  75         },
  76         [1] = {
  77                 .name   = "m66592_udc",
  78                 .start  = IRQ_EXT4,             /* irq number */
  79                 .end    = IRQ_EXT4,
  80                 .flags  = IORESOURCE_IRQ,
  81         },
  82 };
  83
  84 static struct platform_device m66592_usb_peripheral_device = {
  85         .name           = "m66592_udc",
  86         .id             = -1,
  87         .dev = {
  88                 .dma_mask               = NULL,         /* don't use dma */
  89                 .coherent_dma_mask      = 0xffffffff,
  90                 .platform_data          = &usbf_platdata,
  91         },
  92         .num_resources  = ARRAY_SIZE(m66592_usb_peripheral_resources),
  93         .resource       = m66592_usb_peripheral_resources,
  94 };
  95
  96 static struct resource cf_ide_resources[] = {
  97         [0] = {
  98                 .start  = PA_AREA5_IO + 0x1000,
  99                 .end    = PA_AREA5_IO + 0x1000 + 0x08 - 1,
 100                 .flags  = IORESOURCE_MEM,
 101         },
 102         [1] = {
 103                 .start  = PA_AREA5_IO + 0x80c,
 104                 .end    = PA_AREA5_IO + 0x80c + 0x16 - 1,
 105                 .flags  = IORESOURCE_MEM,
 106         },
 107         [2] = {
 108                 .start  = IRQ_CF,
 109                 .flags  = IORESOURCE_IRQ,
 110         },
 111 };
 112
 113 static struct pata_platform_info pata_info = {
 114         .ioport_shift   = 1,
 115 };
 116
 117 static struct platform_device cf_ide_device  = {
 118         .name           = "pata_platform",
 119         .id             = -1,
 120         .num_resources  = ARRAY_SIZE(cf_ide_resources),
 121         .resource       = cf_ide_resources,
 122         .dev    = {
 123                 .platform_data  = &pata_info,
 124         },
 125 };
 126
 127 static struct resource heartbeat_resources[] = {
 128         [0] = {
 129                 .start  = PA_OBLED,
 130                 .end    = PA_OBLED,
 131                 .flags  = IORESOURCE_MEM,
 132         },
 133 };
 134
 135 #ifndef CONFIG_SH_R7785RP
 136 static unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
 137
 138 static struct heartbeat_data heartbeat_data = {
 139         .bit_pos        = heartbeat_bit_pos,
 140         .nr_bits        = ARRAY_SIZE(heartbeat_bit_pos),
 141 };
 142 #endif
 143
 144 static struct platform_device heartbeat_device = {
 145         .name           = "heartbeat",
 146         .id             = -1,
 147
 148         /* R7785RP has a slightly more sensible FPGA.. */
 149 #ifndef CONFIG_SH_R7785RP
 150         .dev    = {
 151                 .platform_data  = &heartbeat_data,
 152         },
 153 #endif
 154         .num_resources  = ARRAY_SIZE(heartbeat_resources),
 155         .resource       = heartbeat_resources,
 156 };
 157
 158 static struct ax_plat_data ax88796_platdata = {
 159         .flags          = AXFLG_HAS_93CX6,
 160         .wordlength     = 2,
 161         .dcr_val        = 0x1,
 162         .rcr_val        = 0x40,
 163 };
 164
 165 static struct resource ax88796_resources[] = {
 166         {
 167 #ifdef CONFIG_SH_R7780RP
 168                 .start  = 0xa5800400,
 169                 .end    = 0xa5800400 + (0x20 * 0x2) - 1,
 170 #else
 171                 .start  = 0xa4100400,
 172                 .end    = 0xa4100400 + (0x20 * 0x2) - 1,
 173 #endif
 174                 .flags  = IORESOURCE_MEM,
 175         },
 176         {
 177                 .start  = IRQ_AX88796,
 178                 .end    = IRQ_AX88796,
 179                 .flags  = IORESOURCE_IRQ,
 180         },
 181 };
 182
 183 static struct platform_device ax88796_device = {
 184         .name           = "ax88796",
 185         .id             = 0,
 186
 187         .dev    = {
 188                 .platform_data = &ax88796_platdata,
 189         },
 190
 191         .num_resources  = ARRAY_SIZE(ax88796_resources),
 192         .resource       = ax88796_resources,
 193 };
 194
 195 static struct mtd_partition nor_flash_partitions[] = {
 196         {
 197                 .name           = "loader",
 198                 .offset         = 0x00000000,
 199                 .size           = 512 * 1024,
 200         },
 201         {
 202                 .name           = "bootenv",
 203                 .offset         = MTDPART_OFS_APPEND,
 204                 .size           = 512 * 1024,
 205         },
 206         {
 207                 .name           = "kernel",
 208                 .offset         = MTDPART_OFS_APPEND,
 209                 .size           = 4 * 1024 * 1024,
 210         },
 211         {
 212                 .name           = "data",
 213                 .offset         = MTDPART_OFS_APPEND,
 214                 .size           = MTDPART_SIZ_FULL,
 215         },
 216 };
 217
 218 static struct physmap_flash_data nor_flash_data = {
 219         .width          = 4,
 220         .parts          = nor_flash_partitions,
 221         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 222 };
 223
 224 /* This config is flash board for mass production. */
 225 static struct resource nor_flash_resources[] = {
 226         [0]     = {
 227                 .start  = PA_NORFLASH_ADDR,
 228                 .end    = PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1,
 229                 .flags  = IORESOURCE_MEM,
 230         }
 231 };
 232
 233 static struct platform_device nor_flash_device = {
 234         .name           = "physmap-flash",
 235         .dev            = {
 236                 .platform_data  = &nor_flash_data,
 237         },
 238         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 239         .resource       = nor_flash_resources,
 240 };
 241
 242 static struct resource smbus_resources[] = {
 243         [0] = {
 244                 .start  = PA_SMCR,
 245                 .end    = PA_SMCR + 0x100 - 1,
 246                 .flags  = IORESOURCE_MEM,
 247         },
 248         [1] = {
 249                 .start  = IRQ_SMBUS,
 250                 .end    = IRQ_SMBUS,
 251                 .flags  = IORESOURCE_IRQ,
 252         },
 253 };
 254
 255 static struct platform_device smbus_device = {
 256         .name           = "i2c-highlander",
 257         .id             = 0,
 258         .num_resources  = ARRAY_SIZE(smbus_resources),
 259         .resource       = smbus_resources,
 260 };
 261
 262 static struct i2c_board_info __initdata highlander_i2c_devices[] = {
 263         {
 264                 I2C_BOARD_INFO("r2025sd", 0x32),
 265         },
 266 };
 267
 268 static struct platform_device *r7780rp_devices[] __initdata = {
 269         &r8a66597_usb_host_device,
 270         &m66592_usb_peripheral_device,
 271         &heartbeat_device,
 272         &smbus_device,
 273         &nor_flash_device,
 274 #ifndef CONFIG_SH_R7780RP
 275         &ax88796_device,
 276 #endif
 277 };
 278
 279 /*
 280  * The CF is connected using a 16-bit bus where 8-bit operations are
 281  * unsupported. The linux ata driver is however using 8-bit operations, so
 282  * insert a trapped io filter to convert 8-bit operations into 16-bit.
 283  */
 284 static struct trapped_io cf_trapped_io = {
 285         .resource               = cf_ide_resources,
 286         .num_resources          = 2,
 287         .minimum_bus_width      = 16,
 288 };
 289
 290 static int __init r7780rp_devices_setup(void)
 291 {
 292         int ret = 0;
 293
 294 #ifndef CONFIG_SH_R7780RP
 295         if (register_trapped_io(&cf_trapped_io) == 0)
 296                 ret |= platform_device_register(&cf_ide_device);
 297 #endif
 298
 299         ret |= platform_add_devices(r7780rp_devices,
 300                                     ARRAY_SIZE(r7780rp_devices));
 301
 302         ret |= i2c_register_board_info(0, highlander_i2c_devices,
 303                                        ARRAY_SIZE(highlander_i2c_devices));
 304
 305         return ret;
 306 }
 307 device_initcall(r7780rp_devices_setup);
 308
 309 /*
 310  * Platform specific clocks
 311  */
 312 static int ivdr_clk_enable(struct clk *clk)
 313 {
 314         __raw_writew(__raw_readw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
 315         return 0;
 316 }
 317
 318 static void ivdr_clk_disable(struct clk *clk)
 319 {
 320         __raw_writew(__raw_readw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
 321 }
 322
 323 static struct clk_ops ivdr_clk_ops = {
 324         .enable         = ivdr_clk_enable,
 325         .disable        = ivdr_clk_disable,
 326 };
 327
 328 static struct clk ivdr_clk = {
 329         .name           = "ivdr_clk",
 330         .ops            = &ivdr_clk_ops,
 331 };
 332
 333 static struct clk *r7780rp_clocks[] = {
 334         &ivdr_clk,
 335 };
 336
 337 static void r7780rp_power_off(void)
 338 {
 339         if (mach_is_r7780mp() || mach_is_r7785rp())
 340                 __raw_writew(0x0001, PA_POFF);
 341 }
 342
 343 /*
 344  * Initialize the board
 345  */
 346 static void __init highlander_setup(char **cmdline_p)
 347 {
 348         u16 ver = __raw_readw(PA_VERREG);
 349         int i;
 350
 351         printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
 352                          mach_is_r7780rp() ? "R7780RP-1" :
 353                          mach_is_r7780mp() ? "R7780MP"   :
 354                                              "R7785RP");
 355
 356         printk(KERN_INFO "Board version: %d (revision %d), "
 357                          "FPGA version: %d (revision %d)\n",
 358                          (ver >> 12) & 0xf, (ver >> 8) & 0xf,
 359                          (ver >>  4) & 0xf, ver & 0xf);
 360
 361         highlander_plat_pinmux_setup();
 362
 363         /*
 364          * Enable the important clocks right away..
 365          */
 366         for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
 367                 struct clk *clk = r7780rp_clocks[i];
 368
 369                 clk_register(clk);
 370                 clk_enable(clk);
 371         }
 372
 373         __raw_writew(0x0000, PA_OBLED); /* Clear LED. */
 374
 375         if (mach_is_r7780rp())
 376                 __raw_writew(0x0001, PA_SDPOW); /* SD Power ON */
 377
 378         __raw_writew(__raw_readw(PA_IVDRCTL) | 0x01, PA_IVDRCTL);       /* Si13112 */
 379
 380         pm_power_off = r7780rp_power_off;
 381 }
 382
 383 static unsigned char irl2irq[HL_NR_IRL];
 384
 385 static int highlander_irq_demux(int irq)
 386 {
 387         if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
 388                 return irq;
 389
 390         return irl2irq[irq];
 391 }
 392
 393 static void __init highlander_init_irq(void)
 394 {
 395         unsigned char *ucp = highlander_plat_irq_setup();
 396
 397         if (ucp) {
 398                 plat_irq_setup_pins(IRQ_MODE_IRL3210);
 399                 memcpy(irl2irq, ucp, HL_NR_IRL);
 400         }
 401 }
 402
 403 /*
 404  * The Machine Vector
 405  */
 406 static struct sh_machine_vector mv_highlander __initmv = {
 407         .mv_name                = "Highlander",
 408         .mv_setup               = highlander_setup,
 409         .mv_init_irq            = highlander_init_irq,
 410         .mv_irq_demux           = highlander_irq_demux,
 411 };