Files
android/arch/mn10300/include/asm/cache.h
T
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

61 lines
2.1 KiB
C

/* MN10300 cache management registers
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_CACHE_H
#define _ASM_CACHE_H
#include <asm/cpu-regs.h>
#include <proc/cache.h>
#ifndef __ASSEMBLY__
#define L1_CACHE_DISPARITY (L1_CACHE_NENTRIES * L1_CACHE_BYTES)
#else
#define L1_CACHE_DISPARITY L1_CACHE_NENTRIES * L1_CACHE_BYTES
#endif
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
/* data cache purge registers
* - read from the register to unconditionally purge that cache line
* - write address & 0xffffff00 to conditionally purge that cache line
* - clear LSB to request invalidation as well
*/
#define DCACHE_PURGE(WAY, ENTRY) \
__SYSREG(0xc8400000 + (WAY) * L1_CACHE_WAYDISP + \
(ENTRY) * L1_CACHE_BYTES, u32)
#define DCACHE_PURGE_WAY0(ENTRY) \
__SYSREG(0xc8400000 + 0 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
#define DCACHE_PURGE_WAY1(ENTRY) \
__SYSREG(0xc8400000 + 1 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
#define DCACHE_PURGE_WAY2(ENTRY) \
__SYSREG(0xc8400000 + 2 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
#define DCACHE_PURGE_WAY3(ENTRY) \
__SYSREG(0xc8400000 + 3 * L1_CACHE_WAYDISP + (ENTRY) * L1_CACHE_BYTES, u32)
/* instruction cache access registers */
#define ICACHE_DATA(WAY, ENTRY, OFF) \
__SYSREG(0xc8000000 + (WAY) * L1_CACHE_WAYDISP + \
(ENTRY) * L1_CACHE_BYTES + (OFF) * 4, u32)
#define ICACHE_TAG(WAY, ENTRY) \
__SYSREG(0xc8100000 + (WAY) * L1_CACHE_WAYDISP + \
(ENTRY) * L1_CACHE_BYTES, u32)
/* data cache access registers */
#define DCACHE_DATA(WAY, ENTRY, OFF) \
__SYSREG(0xc8200000 + (WAY) * L1_CACHE_WAYDISP + \
(ENTRY) * L1_CACHE_BYTES + (OFF) * 4, u32)
#define DCACHE_TAG(WAY, ENTRY) \
__SYSREG(0xc8300000 + (WAY) * L1_CACHE_WAYDISP + \
(ENTRY) * L1_CACHE_BYTES, u32)
#endif /* _ASM_CACHE_H */