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/irqchip.h> 18 #include <linux/of_platform.h> 19 #include <linux/pata_arasan_cf_data.h> 20 #include <asm/mach/arch.h> 21 #include <asm/mach/map.h> 22 #include "generic.h" 23 #include <mach/spear.h> 24 25 /* Base addresses */ 26 #define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) 27 #define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) 28 29 static void __init spear1310_dt_init(void) 30 { 31 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 32 } 33 34 static 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 */ 45 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 54 static void __init spear1310_map_io(void) 55 { 56 iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); 57 spear13xx_map_io(); 58 } 59 60 DT_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_irq = irqchip_init, 64 .init_time = spear13xx_timer_init, 65 .init_machine = spear1310_dt_init, 66 .restart = spear_restart, 67 .dt_compat = spear1310_dt_board_compat, 68 MACHINE_END 69