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/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MIPS_ARCH_CACHE_H
#define __MIPS_ARCH_CACHE_H
#include <stddef.h>
#include <stdint.h>
#define CACHE_TYPE_SHIFT (0)
#define CACHE_OP_SHIFT (2)
#define CACHE_TYPE_MASK (0x3)
#define CACHE_OP_MASK (0x7)
/* Cache type */
#define ICACHE 0x00
#define DCACHE 0x01
#define L2CACHE 0x03
/* Cache operation*/
#define WB_INVD 0x05
#define CACHE_CODE(type, op) ((((type) & (CACHE_TYPE_MASK)) << \
(CACHE_TYPE_SHIFT)) | \
(((op) & (CACHE_OP_MASK)) << (CACHE_OP_SHIFT)))
/* Perform cache operation on cache lines for target addresses */
void perform_cache_operation(uintptr_t start, size_t size, uint8_t operation);
/* Invalidate all caches: instruction, data, L2 data */
void cache_invalidate_all(uintptr_t start, size_t size);
/* TODO: Global cache API. Implement properly once we finally have a MIPS board
again where we can figure out what exactly these should be doing. */
static inline void dcache_clean_all(void) {}
static inline void dcache_invalidate_all(void) {}
static inline void dcache_clean_invalidate_all(void) {}
#endif /* __MIPS_ARCH_CACHE_H */
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