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8e5d804f89
On Tegra186, it is necessary to perform an SMC to fully flush all caches; flushing/cleaning by set/way is not enough. Implement the required hook to make this happen. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
24 lines
374 B
C
24 lines
374 B
C
/*
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* Copyright (c) 2016, NVIDIA CORPORATION.
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <asm/system.h>
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#define SMC_SIP_INVOKE_MCE 0x82FFFF00
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#define MCE_SMC_ROC_FLUSH_CACHE 11
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int __asm_flush_l3_cache(void)
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{
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struct pt_regs regs = {0};
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isb();
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regs.regs[0] = SMC_SIP_INVOKE_MCE | MCE_SMC_ROC_FLUSH_CACHE;
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smc_call(®s);
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return 0;
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}
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