1 /* 2 * sh73a0 processor support 3 * 4 * Copyright (C) 2010 Takashi Yoshii 5 * Copyright (C) 2010 Magnus Damm 6 * Copyright (C) 2008 Yoshihiro Shimoda 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; version 2 of the License. 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 #include <linux/kernel.h> 18 #include <linux/init.h> 19 #include <linux/interrupt.h> 20 #include <linux/irq.h> 21 #include <linux/of_platform.h> 22 #include <linux/delay.h> 23 #include <linux/input.h> 24 #include <linux/io.h> 25 26 #include <asm/hardware/cache-l2x0.h> 27 #include <asm/mach/map.h> 28 #include <asm/mach/arch.h> 29 #include <asm/mach/time.h> 30 31 #include "common.h" 32 #include "sh73a0.h" 33 34 static struct map_desc sh73a0_io_desc[] __initdata = { 35 /* create a 1:1 identity mapping for 0xe6xxxxxx 36 * used by CPGA, INTC and PFC. 37 */ 38 { 39 .virtual = 0xe6000000, 40 .pfn = __phys_to_pfn(0xe6000000), 41 .length = 256 << 20, 42 .type = MT_DEVICE_NONSHARED 43 }, 44 }; 45 46 static void __init sh73a0_map_io(void) 47 { 48 debug_ll_io_init(); 49 iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc)); 50 } 51 52 static void __init sh73a0_generic_init(void) 53 { 54 #ifdef CONFIG_CACHE_L2X0 55 /* Shared attribute override enable, 64K*8way */ 56 l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); 57 #endif 58 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 59 } 60 61 static const char *const sh73a0_boards_compat_dt[] __initconst = { 62 "renesas,sh73a0", 63 NULL, 64 }; 65 66 DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") 67 .smp = smp_ops(sh73a0_smp_ops), 68 .map_io = sh73a0_map_io, 69 .init_early = shmobile_init_delay, 70 .init_machine = sh73a0_generic_init, 71 .init_late = shmobile_init_late, 72 .dt_compat = sh73a0_boards_compat_dt, 73 MACHINE_END 74