Magnus Damm | 6d9598e | 2010-11-17 10:59:31 +0000 | [diff] [blame] | 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. |
Magnus Damm | 6d9598e | 2010-11-17 10:59:31 +0000 | [diff] [blame] | 16 | */ |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/interrupt.h> |
| 20 | #include <linux/irq.h> |
Simon Horman | 4860953 | 2012-11-21 22:00:15 +0900 | [diff] [blame] | 21 | #include <linux/of_platform.h> |
Magnus Damm | 6d9598e | 2010-11-17 10:59:31 +0000 | [diff] [blame] | 22 | #include <linux/delay.h> |
| 23 | #include <linux/input.h> |
| 24 | #include <linux/io.h> |
Geert Uytterhoeven | ded59d6 | 2014-06-20 18:53:09 +0200 | [diff] [blame] | 25 | |
Magnus Damm | 0b52b25 | 2015-01-09 14:08:49 +0100 | [diff] [blame] | 26 | #include <asm/hardware/cache-l2x0.h> |
Magnus Damm | 50e15c3 | 2012-02-29 21:37:27 +0900 | [diff] [blame] | 27 | #include <asm/mach/map.h> |
Magnus Damm | 6d9598e | 2010-11-17 10:59:31 +0000 | [diff] [blame] | 28 | #include <asm/mach/arch.h> |
Magnus Damm | 3be26fd | 2012-03-06 17:36:45 +0900 | [diff] [blame] | 29 | #include <asm/mach/time.h> |
Geert Uytterhoeven | ded59d6 | 2014-06-20 18:53:09 +0200 | [diff] [blame] | 30 | |
Magnus Damm | fd44aa5 | 2014-06-17 16:47:37 +0900 | [diff] [blame] | 31 | #include "common.h" |
Geert Uytterhoeven | ded59d6 | 2014-06-20 18:53:09 +0200 | [diff] [blame] | 32 | #include "sh73a0.h" |
Magnus Damm | 6d9598e | 2010-11-17 10:59:31 +0000 | [diff] [blame] | 33 | |
Magnus Damm | 50e15c3 | 2012-02-29 21:37:27 +0900 | [diff] [blame] | 34 | static struct map_desc sh73a0_io_desc[] __initdata = { |
Geert Uytterhoeven | 178a2b0 | 2014-11-14 17:07:07 +0100 | [diff] [blame] | 35 | /* create a 1:1 identity mapping for 0xe6xxxxxx |
Magnus Damm | 50e15c3 | 2012-02-29 21:37:27 +0900 | [diff] [blame] | 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 | |
Geert Uytterhoeven | 9a98639 | 2015-06-17 11:31:20 +0200 | [diff] [blame] | 46 | static void __init sh73a0_map_io(void) |
Magnus Damm | 50e15c3 | 2012-02-29 21:37:27 +0900 | [diff] [blame] | 47 | { |
Geert Uytterhoeven | 7a2071c | 2014-11-14 16:49:47 +0100 | [diff] [blame] | 48 | debug_ll_io_init(); |
Magnus Damm | 50e15c3 | 2012-02-29 21:37:27 +0900 | [diff] [blame] | 49 | iotable_init(sh73a0_io_desc, ARRAY_SIZE(sh73a0_io_desc)); |
| 50 | } |
| 51 | |
Magnus Damm | 0b52b25 | 2015-01-09 14:08:49 +0100 | [diff] [blame] | 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 | |
Nicolas Pitre | 19c233b | 2015-07-27 18:27:52 -0400 | [diff] [blame] | 61 | static const char *const sh73a0_boards_compat_dt[] __initconst = { |
Simon Horman | 4860953 | 2012-11-21 22:00:15 +0900 | [diff] [blame] | 62 | "renesas,sh73a0", |
| 63 | NULL, |
| 64 | }; |
| 65 | |
| 66 | DT_MACHINE_START(SH73A0_DT, "Generic SH73A0 (Flattened Device Tree)") |
Simon Horman | f998950 | 2013-02-15 21:38:20 +0900 | [diff] [blame] | 67 | .smp = smp_ops(sh73a0_smp_ops), |
Simon Horman | 4860953 | 2012-11-21 22:00:15 +0900 | [diff] [blame] | 68 | .map_io = sh73a0_map_io, |
Geert Uytterhoeven | dac9536 | 2014-10-17 14:24:39 +0200 | [diff] [blame] | 69 | .init_early = shmobile_init_delay, |
Magnus Damm | 0b52b25 | 2015-01-09 14:08:49 +0100 | [diff] [blame] | 70 | .init_machine = sh73a0_generic_init, |
Magnus Damm | e604d80 | 2014-07-31 08:32:15 +0900 | [diff] [blame] | 71 | .init_late = shmobile_init_late, |
Simon Horman | 4860953 | 2012-11-21 22:00:15 +0900 | [diff] [blame] | 72 | .dt_compat = sh73a0_boards_compat_dt, |
| 73 | MACHINE_END |