1 /* 2 * Emma Mobile EV2 processor support 3 * 4 * Copyright (C) 2012 Magnus Damm 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; version 2 of the License. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 */ 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/mm.h> 18 #include <asm/mach-types.h> 19 #include <asm/mach/arch.h> 20 #include <asm/mach/map.h> 21 #include "common.h" 22 23 static struct map_desc emev2_io_desc[] __initdata = { 24 #ifdef CONFIG_SMP 25 /* 2M mapping for SCU + L2 controller */ 26 { 27 .virtual = 0xf0000000, 28 .pfn = __phys_to_pfn(0x1e000000), 29 .length = SZ_2M, 30 .type = MT_DEVICE 31 }, 32 #endif 33 }; 34 35 static void __init emev2_map_io(void) 36 { 37 iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc)); 38 } 39 40 static const char *const emev2_boards_compat_dt[] __initconst = { 41 "renesas,emev2", 42 NULL, 43 }; 44 45 extern struct smp_operations emev2_smp_ops; 46 47 DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)") 48 .smp = smp_ops(emev2_smp_ops), 49 .map_io = emev2_map_io, 50 .init_early = shmobile_init_delay, 51 .init_late = shmobile_init_late, 52 .dt_compat = emev2_boards_compat_dt, 53 MACHINE_END 54