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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
   4  */
   5
   6 #include <linux/of_platform.h>
   7 #include <asm/mach/arch.h>
   8 #include <asm/mach/map.h>
   9
  10 #include "common.h"
  11 #include "hardware.h"
  12
  13 #define MX1_AVIC_ADDR   0x00223000
  14
  15 static void __init imx1_init_early(void)
  16 {
  17         mxc_set_cpu_type(MXC_CPU_MX1);
  18 }
  19
  20 static void __init imx1_init_irq(void)
  21 {
  22         void __iomem *avic_addr;
  23
  24         avic_addr = ioremap(MX1_AVIC_ADDR, SZ_4K);
  25         WARN_ON(!avic_addr);
  26
  27         mxc_init_irq(avic_addr);
  28 }
  29
  30 static const char * const imx1_dt_board_compat[] __initconst = {
  31         "fsl,imx1",
  32         NULL
  33 };
  34
  35 DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
  36         .init_early     = imx1_init_early,
  37         .init_irq       = imx1_init_irq,
  38         .dt_compat      = imx1_dt_board_compat,
  39         .restart        = mxc_restart,
  40 MACHINE_END