/*
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* Copyright (C) 2012-2014 Broadcom Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/printk.h>
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#include <asm/hardware/cache-l2x0.h>
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#include "bcm_kona_smc.h"
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#include "kona_l2_cache.h"
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void __init kona_l2_cache_init(void)
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{
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unsigned int result;
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int ret;
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ret = bcm_kona_smc_init();
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if (ret) {
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pr_info("Secure API not available (%d). Skipping L2 init.\n",
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ret);
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return;
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}
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result = bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0);
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if (result != SEC_ROM_RET_OK) {
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pr_err("Secure Monitor call failed (%u)! Skipping L2 init.\n",
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result);
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return;
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}
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/*
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* The aux_val and aux_mask have no effect since L2 cache is already
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* enabled. Pass 0s for aux_val and 1s for aux_mask for default value.
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*/
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ret = l2x0_of_init(0, ~0);
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if (ret)
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pr_err("Couldn't enable L2 cache: %d\n", ret);
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}
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