arch/arm/mach-imx/mach-imx25.c

   1 /*
   2  * Copyright 2012 Sascha Hauer, Pengutronix
   3  *
   4  * The code contained herein is licensed under the GNU General Public
   5  * License. You may obtain a copy of the GNU General Public License
   6  * Version 2 or later at the following locations:
   7  *
   8  * http://www.opensource.org/licenses/gpl-license.html
   9  * http://www.gnu.org/copyleft/gpl.html
  10  */
  11
  12 #include <linux/irq.h>
  13 #include <linux/of_address.h>
  14 #include <linux/of_irq.h>
  15 #include <linux/of_platform.h>
  16 #include <asm/mach/arch.h>
  17 #include <asm/mach/time.h>
  18 #include "common.h"
  19 #include "hardware.h"
  20
  21 static void __init imx25_init_early(void)
  22 {
  23         mxc_set_cpu_type(MXC_CPU_MX25);
  24 }
  25
  26 static void __init mx25_init_irq(void)
  27 {
  28         struct device_node *np;
  29         void __iomem *avic_base;
  30
  31         np = of_find_compatible_node(NULL, NULL, "fsl,avic");
  32         avic_base = of_iomap(np, 0);
  33         BUG_ON(!avic_base);
  34         mxc_init_irq(avic_base);
  35 }
  36
  37 static const char * const imx25_dt_board_compat[] __initconst = {
  38         "fsl,imx25",
  39         NULL
  40 };
  41
  42 DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
  43         .init_early     = imx25_init_early,
  44         .init_irq       = mx25_init_irq,
  45         .dt_compat      = imx25_dt_board_compat,
  46 MACHINE_END