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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright 2012 Sascha Hauer, Pengutronix
   4  */
   5
   6 #include <linux/irq.h>
   7 #include <linux/of_address.h>
   8 #include <linux/of_irq.h>
   9 #include <linux/of_platform.h>
  10 #include <asm/mach/arch.h>
  11 #include <asm/mach/time.h>
  12 #include "common.h"
  13 #include "hardware.h"
  14
  15 static void __init imx25_init_early(void)
  16 {
  17         mxc_set_cpu_type(MXC_CPU_MX25);
  18 }
  19
  20 static void __init imx25_dt_init(void)
  21 {
  22         imx_aips_allow_unprivileged_access("fsl,imx25-aips");
  23 }
  24
  25 static void __init mx25_init_irq(void)
  26 {
  27         struct device_node *np;
  28         void __iomem *avic_base;
  29
  30         np = of_find_compatible_node(NULL, NULL, "fsl,avic");
  31         avic_base = of_iomap(np, 0);
  32         BUG_ON(!avic_base);
  33         mxc_init_irq(avic_base);
  34 }
  35
  36 static const char * const imx25_dt_board_compat[] __initconst = {
  37         "fsl,imx25",
  38         NULL
  39 };
  40
  41 DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
  42         .init_early     = imx25_init_early,
  43         .init_machine   = imx25_dt_init,
  44         .init_late      = imx25_pm_init,
  45         .init_irq       = mx25_init_irq,
  46         .dt_compat      = imx25_dt_board_compat,
  47 MACHINE_END