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52923c6db7
AndeStar RISC-V(V5) provide mcache_ctl register which can configure I/D cache as enabled or disabled. This CSR will be encapsulated by CONFIG_RISCV_NDS. If you want to configure cache on AndeStar V5 AE350 platform. YOu can enable [*] AndeStar V5 ISA support by make menuconfig. This approach also provide the expansion when the vender specific features are going to join in. Signed-off-by: Rick Chen <rick@andestech.com> Cc: Greentime Hu <greentime@andestech.com>
25 lines
614 B
C
25 lines
614 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2017 Andes Technology Corporation
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* Rick Chen, Andes Technology Corporation <rick@andestech.com>
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*/
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#ifndef _ASM_RISCV_CACHE_H
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#define _ASM_RISCV_CACHE_H
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/* cache */
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void cache_flush(void);
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/*
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* The current upper bound for RISCV L1 data cache line sizes is 32 bytes.
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* We use that value for aligning DMA buffers unless the board config has
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* specified an alternate cache line size.
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*/
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#ifdef CONFIG_SYS_CACHELINE_SIZE
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#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
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#else
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#define ARCH_DMA_MINALIGN 32
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#endif
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#endif /* _ASM_RISCV_CACHE_H */
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