rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * arch/arm/mach-spear13xx/spear1310.c |
| 3 | * |
| 4 | * SPEAr1310 machine source file |
| 5 | * |
| 6 | * Copyright (C) 2012 ST Microelectronics |
| 7 | * Viresh Kumar <vireshk@kernel.org> |
| 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/pata_arasan_cf_data.h> |
| 18 | #include <asm/mach/arch.h> |
| 19 | #include <asm/mach/map.h> |
| 20 | #include "generic.h" |
| 21 | #include <mach/spear.h> |
| 22 | |
| 23 | /* Base addresses */ |
| 24 | #define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000) |
| 25 | #define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000) |
| 26 | |
| 27 | static void __init spear1310_dt_init(void) |
| 28 | { |
| 29 | platform_device_register_simple("spear-cpufreq", -1, NULL, 0); |
| 30 | } |
| 31 | |
| 32 | static const char * const spear1310_dt_board_compat[] = { |
| 33 | "st,spear1310", |
| 34 | "st,spear1310-evb", |
| 35 | NULL, |
| 36 | }; |
| 37 | |
| 38 | /* |
| 39 | * Following will create 16MB static virtual/physical mappings |
| 40 | * PHYSICAL VIRTUAL |
| 41 | * 0xD8000000 0xFA000000 |
| 42 | */ |
| 43 | static struct map_desc spear1310_io_desc[] __initdata = { |
| 44 | { |
| 45 | .virtual = VA_SPEAR1310_RAS_GRP1_BASE, |
| 46 | .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE), |
| 47 | .length = SZ_16M, |
| 48 | .type = MT_DEVICE |
| 49 | }, |
| 50 | }; |
| 51 | |
| 52 | static void __init spear1310_map_io(void) |
| 53 | { |
| 54 | iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc)); |
| 55 | spear13xx_map_io(); |
| 56 | } |
| 57 | |
| 58 | DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree") |
| 59 | .smp = smp_ops(spear13xx_smp_ops), |
| 60 | .map_io = spear1310_map_io, |
| 61 | .init_time = spear13xx_timer_init, |
| 62 | .init_machine = spear1310_dt_init, |
| 63 | .restart = spear_restart, |
| 64 | .dt_compat = spear1310_dt_board_compat, |
| 65 | MACHINE_END |