arch/arm/mach-rockchip/rockchip.c

   1 /*
   2  * Device Tree support for Rockchip SoCs
   3  *
   4  * Copyright (c) 2013 MundoReader S.L.
   5  * Author: Heiko Stuebner <heiko@sntech.de>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 #include <linux/kernel.h>
  19 #include <linux/init.h>
  20 #include <linux/of_platform.h>
  21 #include <linux/irqchip.h>
  22 #include <linux/dw_apb_timer.h>
  23 #include <linux/clk-provider.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26 #include <asm/hardware/cache-l2x0.h>
  27
  28 static void __init rockchip_timer_init(void)
  29 {
  30         of_clk_init(NULL);
  31         clocksource_of_init();
  32 }
  33
  34 static void __init rockchip_dt_init(void)
  35 {
  36         l2x0_of_init(0, ~0UL);
  37         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  38 }
  39
  40 static const char * const rockchip_board_dt_compat[] = {
  41         "rockchip,rk2928",
  42         "rockchip,rk3066a",
  43         "rockchip,rk3066b",
  44         "rockchip,rk3188",
  45         NULL,
  46 };
  47
  48 DT_MACHINE_START(ROCKCHIP_DT, "Rockchip Cortex-A9 (Device Tree)")
  49         .init_machine   = rockchip_dt_init,
  50         .init_time      = rockchip_timer_init,
  51         .dt_compat      = rockchip_board_dt_compat,
  52 MACHINE_END