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8ac49e04 CD |
1 | /* |
2 | * Copyright (C) 2012 Broadcom Corporation | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License as | |
6 | * published by the Free Software Foundation version 2. | |
7 | * | |
8 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
9 | * kind, whether express or implied; without even the implied warranty | |
10 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
13 | ||
8ac49e04 CD |
14 | #include <linux/of_platform.h> |
15 | #include <linux/init.h> | |
16 | #include <linux/device.h> | |
17 | #include <linux/platform_device.h> | |
8011657b | 18 | #include <linux/clocksource.h> |
8ac49e04 CD |
19 | |
20 | #include <asm/mach/arch.h> | |
8ac49e04 | 21 | #include <asm/mach/time.h> |
b8eb35fd | 22 | #include <asm/hardware/cache-l2x0.h> |
8ac49e04 | 23 | |
8ac49e04 | 24 | |
b8eb35fd CD |
25 | #include "bcm_kona_smc.h" |
26 | ||
27 | static int __init kona_l2_cache_init(void) | |
28 | { | |
29 | if (!IS_ENABLED(CONFIG_CACHE_L2X0)) | |
30 | return 0; | |
31 | ||
32 | bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0); | |
33 | ||
34 | /* | |
35 | * The aux_val and aux_mask have no effect since L2 cache is already | |
36 | * enabled. Pass 0s for aux_val and 1s for aux_mask for default value. | |
37 | */ | |
38 | l2x0_of_init(0, ~0); | |
39 | ||
40 | return 0; | |
41 | } | |
42 | ||
8ac49e04 CD |
43 | static void __init board_init(void) |
44 | { | |
45 | of_platform_populate(NULL, of_default_bus_match_table, NULL, | |
46 | &platform_bus); | |
b8eb35fd CD |
47 | |
48 | bcm_kona_smc_init(); | |
49 | ||
50 | kona_l2_cache_init(); | |
8ac49e04 CD |
51 | } |
52 | ||
53 | static const char * const bcm11351_dt_compat[] = { "bcm,bcm11351", NULL, }; | |
54 | ||
55 | DT_MACHINE_START(BCM11351_DT, "Broadcom Application Processor") | |
8011657b | 56 | .init_time = clocksource_of_init, |
8ac49e04 CD |
57 | .init_machine = board_init, |
58 | .dt_compat = bcm11351_dt_compat, | |
8ac49e04 | 59 | MACHINE_END |