arch/arm/mach-imx/mach-imx1.c

   1 /*
   2  *  Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #include <linux/of_platform.h>
  11 #include <asm/mach/arch.h>
  12 #include <asm/mach/map.h>
  13
  14 #include "common.h"
  15 #include "hardware.h"
  16
  17 #define MX1_AVIC_ADDR   0x00223000
  18
  19 static void __init imx1_init_early(void)
  20 {
  21         mxc_set_cpu_type(MXC_CPU_MX1);
  22 }
  23
  24 static void __init imx1_init_irq(void)
  25 {
  26         void __iomem *avic_addr;
  27
  28         avic_addr = ioremap(MX1_AVIC_ADDR, SZ_4K);
  29         WARN_ON(!avic_addr);
  30
  31         mxc_init_irq(avic_addr);
  32 }
  33
  34 static const char * const imx1_dt_board_compat[] __initconst = {
  35         "fsl,imx1",
  36         NULL
  37 };
  38
  39 DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
  40         .map_io         = debug_ll_io_init,
  41         .init_early     = imx1_init_early,
  42         .init_irq       = imx1_init_irq,
  43         .dt_compat      = imx1_dt_board_compat,
  44         .restart        = mxc_restart,
  45 MACHINE_END