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 53