| | 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/delay.h> |
| | 22 | #include <linux/input.h> |
| | 23 | #include <linux/io.h> |
| | 24 | |
| | 25 | #include <asm/hardware/cache-l2x0.h> |
| | 26 | #include <asm/mach/map.h> |
| | 27 | #include <asm/mach/arch.h> |
| | 28 | #include <asm/mach/time.h> |
| | 29 | |
| | 30 | #include "common.h" |
| | 31 | #include "sh73a0.h" |
| | 32 | |
| | 33 | static struct map_desc sh73a0_io_desc[] __initdata = { |
| | 34 | /* create a 1:1 identity mapping for 0xe6xxxxxx |
| | 35 | * used by CPGA, INTC and PFC. |
| | 36 | */ |
| | 37 | { |
| | 38 | .virtual = 0xe6000000, |
| | 39 | .pfn = __phys_to_pfn(0xe6000000), |
| | 40 | .length = 256 << 20, |
| | 41 | .type = MT_DEVICE_NONSHARED |
| | 42 | }, |
| | 43 | }; |
| | 44 | |
| | 45 | static void __init sh73a0_map_io(void) |
| | 46 | { |
| | 47 | debug_ll_io_init(); |
| | 48 | iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc)); |
| | 49 | } |
| | 50 | |
| | 51 | static void __init sh73a0_generic_init(void) |
| | 52 | { |
| | 53 | #ifdef CONFIG_CACHE_L2X0 |
| | 54 | /* Shared attribute override enable, 64K*8way */ |
| | 55 | l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff); |
| | 56 | #endif |
| | 57 | } |
| | 58 | |
| | 59 | static const char *const sh73a0_boards_compat_dt[] __initconst = { |
| | 60 | "renesas,sh73a0", |
| | 61 | NULL, |
| | 62 | }; |
| | 63 | |
| | 64 | DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") |
| | 65 | .smp = smp_ops(sh73a0_smp_ops), |
| | 66 | .map_io = sh73a0_map_io, |
| | 67 | .init_early = shmobile_init_delay, |
| | 68 | .init_machine = sh73a0_generic_init, |
| | 69 | .init_late = shmobile_init_late, |
| | 70 | .dt_compat = sh73a0_boards_compat_dt, |
| | 71 | MACHINE_END |
projects / mirror_ubuntu-bionic-kernel.git / blame_incremental