Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
856 B
C
39 lines
856 B
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (C) 2012-2014 Broadcom Corporation
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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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