arch/arm/mach-u300/u300.c

   1 /*
   2  *
   3  * arch/arm/mach-u300/u300.c
   4  *
   5  *
   6  * Copyright (C) 2006-2009 ST-Ericsson AB
   7  * License terms: GNU General Public License (GPL) version 2
   8  * Platform machine definition.
   9  * Author: Linus Walleij <linus.walleij@stericsson.com>
  10  */
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/mm.h>
  14 #include <linux/sched.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/ioport.h>
  17 #include <linux/memblock.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/io.h>
  20 #include <mach/hardware.h>
  21 #include <mach/platform.h>
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/memory.h>
  25
  26 static void __init u300_reserve(void)
  27 {
  28         /*
  29          * U300 - This platform family can share physical memory
  30          * between two ARM cpus, one running Linux and the other
  31          * running another OS.
  32          */
  33 #ifdef CONFIG_MACH_U300_SINGLE_RAM
  34 #if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \
  35         CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
  36         memblock_reserve(PHYS_OFFSET, 0x00100000);
  37 #endif
  38 #endif
  39 }
  40
  41 static void __init u300_init_machine(void)
  42 {
  43         u300_init_devices();
  44 }
  45
  46 #ifdef CONFIG_MACH_U300_BS2X
  47 #define MACH_U300_STRING "Ericsson AB U300 S25/S26/B25/B26 Prototype Board"
  48 #endif
  49
  50 #ifdef CONFIG_MACH_U300_BS330
  51 #define MACH_U300_STRING "Ericsson AB U330 S330/B330 Prototype Board"
  52 #endif
  53
  54 #ifdef CONFIG_MACH_U300_BS335
  55 #define MACH_U300_STRING "Ericsson AB U335 S335/B335 Prototype Board"
  56 #endif
  57
  58 #ifdef CONFIG_MACH_U300_BS365
  59 #define MACH_U300_STRING "Ericsson AB U365 S365/B365 Prototype Board"
  60 #endif
  61
  62 MACHINE_START(U300, MACH_U300_STRING)
  63         /* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
  64         .boot_params    = BOOT_PARAMS_OFFSET,
  65         .map_io         = u300_map_io,
  66         .reserve        = u300_reserve,
  67         .init_irq       = u300_init_irq,
  68         .timer          = &u300_timer,
  69         .init_machine   = u300_init_machine,
  70 MACHINE_END