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 28 static void __init spear1310_dt_init(void) 29 { 30 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 31 } 32 33 static const char * const spear1310_dt_board_compat[] = { 34 "st,spear1310", 35 "st,spear1310-evb", 36 NULL, 37 }; 38 39 /* 40 * Following will create 16MB static virtual/physical mappings 41 * PHYSICAL VIRTUAL 42 * 0xD8000000 0xFA000000 43 */ 44 struct map_desc spear1310_io_desc[] __initdata = { 45 { 46 .virtual = VA_SPEAR1310_RAS_GRP1_BASE, 47 .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), 48 .length = SZ_16M, 49 .type = MT_DEVICE 50 }, 51 }; 52 53 static void __init spear1310_map_io(void) 54 { 55 iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); 56 spear13xx_map_io(); 57 } 58 59 DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") 60 .smp = smp_ops(spear13xx_smp_ops), 61 .map_io = spear1310_map_io, 62 .init_time = spear13xx_timer_init, 63 .init_machine = spear1310_dt_init, 64 .restart = spear_restart, 65 .dt_compat = spear1310_dt_board_compat, 66 MACHINE_END 67