1/* 2 * arch/arm/mach-spear13xx/spear1310.c 3 * 4 * SPEAr1310 machine source file 5 * 6 * Copyright (C) 2012 ST Microelectronics 7 * Viresh Kumar <viresh.linux@gmail.com> 8 * 9 * This file is licensed under the terms of the GNU General Public 10 * License version 2. This program is licensed "as is" without any 11 * warranty of any kind, whether express or implied. 12 */ 13 14#define pr_fmt(fmt) "SPEAr1310: " fmt 15 16#include <linux/amba/pl022.h> 17#include <linux/of_platform.h> 18#include <linux/pata_arasan_cf_data.h> 19#include <asm/mach/arch.h> 20#include <asm/mach/map.h> 21#include "generic.h" 22#include <mach/spear.h> 23 24/* Base addresses */ 25#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) 26#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) 27 28static void __init spear1310_dt_init(void) 29{ 30 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 31 platform_device_register_simple("spear-cpufreq", -1, NULL, 0); 32} 33 34static const char * const spear1310_dt_board_compat[] = { 35 "st,spear1310", 36 "st,spear1310-evb", 37 NULL, 38}; 39 40/* 41 * Following will create 16MB static virtual/physical mappings 42 * PHYSICAL VIRTUAL 43 * 0xD8000000 0xFA000000 44 */ 45static struct map_desc spear1310_io_desc[] __initdata = { 46 { 47 .virtual = VA_SPEAR1310_RAS_GRP1_BASE, 48 .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), 49 .length = SZ_16M, 50 .type = MT_DEVICE 51 }, 52}; 53 54static void __init spear1310_map_io(void) 55{ 56 iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); 57 spear13xx_map_io(); 58} 59 60DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") 61 .smp = smp_ops(spear13xx_smp_ops), 62 .map_io = spear1310_map_io, 63 .init_time = spear13xx_timer_init, 64 .init_machine = spear1310_dt_init, 65 .restart = spear_restart, 66 .dt_compat = spear1310_dt_board_compat, 67MACHINE_END 68