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>
41 lines
899 B
C
41 lines
899 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2017 Chen Liqin <liqin.chen@sunplusct.com>
|
|
* Copyright (C) 2012 Regents of the University of California
|
|
*/
|
|
|
|
#ifndef _ASM_RISCV_CACHE_H
|
|
#define _ASM_RISCV_CACHE_H
|
|
|
|
#define L1_CACHE_SHIFT 6
|
|
|
|
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
|
|
|
|
#ifdef CONFIG_RISCV_DMA_NONCOHERENT
|
|
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
|
|
#define ARCH_KMALLOC_MINALIGN (8)
|
|
#endif
|
|
|
|
/*
|
|
* RISC-V requires the stack pointer to be 16-byte aligned, so ensure that
|
|
* the flat loader aligns it accordingly.
|
|
*/
|
|
#ifndef CONFIG_MMU
|
|
#define ARCH_SLAB_MINALIGN 16
|
|
#endif
|
|
|
|
#ifndef __ASSEMBLER__
|
|
|
|
extern int dma_cache_alignment;
|
|
#ifdef CONFIG_RISCV_DMA_NONCOHERENT
|
|
#define dma_get_cache_alignment dma_get_cache_alignment
|
|
static inline int dma_get_cache_alignment(void)
|
|
{
|
|
return dma_cache_alignment;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLER__ */
|
|
|
|
#endif /* _ASM_RISCV_CACHE_H */
|