Commit | Line | Data |
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257b49e3 | 1 | /* |
8b1c3426 | 2 | * Copyright (C) 2012-2014 Broadcom Corporation |
257b49e3 MM |
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 | ||
d5c627b5 AE |
14 | |
15 | #include <linux/init.h> | |
16 | #include <linux/printk.h> | |
8b1c3426 | 17 | #include <asm/hardware/cache-l2x0.h> |
257b49e3 | 18 | |
8b1c3426 | 19 | #include "bcm_kona_smc.h" |
257b49e3 | 20 | |
8b1c3426 MM |
21 | void __init kona_l2_cache_init(void) |
22 | { | |
6c90f108 | 23 | unsigned int result; |
8b1c3426 MM |
24 | int ret; |
25 | ||
8b1c3426 MM |
26 | ret = bcm_kona_smc_init(); |
27 | if (ret) { | |
28 | pr_info("Secure API not available (%d). Skipping L2 init.\n", | |
29 | ret); | |
30 | return; | |
31 | } | |
32 | ||
6c90f108 AE |
33 | result = bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0); |
34 | if (result != SEC_ROM_RET_OK) { | |
35 | pr_err("Secure Monitor call failed (%u)! Skipping L2 init.\n", | |
36 | result); | |
37 | return; | |
38 | } | |
8b1c3426 MM |
39 | |
40 | /* | |
41 | * The aux_val and aux_mask have no effect since L2 cache is already | |
42 | * enabled. Pass 0s for aux_val and 1s for aux_mask for default value. | |
43 | */ | |
44 | ret = l2x0_of_init(0, ~0); | |
45 | if (ret) | |
46 | pr_err("Couldn't enable L2 cache: %d\n", ret); | |
47 | } |