arch/arm/mach-w90x900/cpu.h

   1 /*
   2  * arch/arm/mach-w90x900/cpu.h
   3  *
   4  * Based on linux/include/asm-arm/plat-s3c24xx/cpu.h by Ben Dooks
   5  *
   6  * Copyright (c) 2008 Nuvoton technology corporation
   7  * All rights reserved.
   8  *
   9  * Header file for W90X900 CPU support
  10  *
  11  * Wan ZongShun <mcuos.com@gmail.com>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  *
  17  */
  18
  19 #define IODESC_ENT(y)                                  \
  20 {                                                      \
  21        .virtual = (unsigned long)W90X900_VA_##y,       \
  22        .pfn     = __phys_to_pfn(W90X900_PA_##y),       \
  23        .length  = W90X900_SZ_##y,                      \
  24        .type    = MT_DEVICE,                           \
  25 }
  26
  27 /*Cpu identifier register*/
  28
  29 #define W90X900PDID     W90X900_VA_GCR
  30 #define W90P910_CPUID   0x02900910
  31 #define W90P920_CPUID   0x02900920
  32 #define W90P950_CPUID   0x02900950
  33 #define W90N960_CPUID   0x02900960
  34
  35 struct w90x900_uartcfg;
  36 struct map_desc;
  37 struct sys_timer;
  38
  39 /* core initialisation functions */
  40
  41 extern void w90x900_init_irq(void);
  42 extern void w90p910_init_io(struct map_desc *mach_desc, int size);
  43 extern void w90p910_init_uarts(struct w90x900_uartcfg *cfg, int no);
  44 extern void w90p910_init_clocks(int xtal);
  45 extern void w90p910_map_io(struct map_desc *mach_desc, int size);
  46 extern struct sys_timer w90x900_timer;
  47
  48 #define W90X900_RES(name)                               \
  49 struct resource w90x900_##name##_resource[] = {         \
  50         [0] = {                                         \
  51                 .start = name##_PA,                     \
  52                 .end   = name##_PA + 0x0ff,             \
  53                 .flags = IORESOURCE_MEM,                \
  54         },                                              \
  55         [1] = {                                         \
  56                 .start = IRQ_##name,                    \
  57                 .end   = IRQ_##name,                    \
  58                 .flags = IORESOURCE_IRQ,                \
  59         }                                               \
  60 }
  61
  62 #define W90X900_DEVICE(devname, regname, devid, platdevname)            \
  63 struct platform_device w90x900_##devname = {                            \
  64         .name           = platdevname,                                  \
  65         .id             = devid,                                        \
  66         .num_resources  = ARRAY_SIZE(w90x900_##regname##_resource),     \
  67         .resource       = w90x900_##regname##_resource,                 \
  68 }
  69
  70 #define W90X900_UARTCFG(port, flag, uc, ulc, ufc)       \
  71 {                                                       \
  72                 .hwport = port,                         \
  73                 .flags  = flag,                         \
  74                 .ucon   = uc,                           \
  75                 .ulcon  = ulc,                          \
  76                 .ufcon  = ufc,                          \
  77 }