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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __ARM_MMU_COMMON_H
#define __ARM_MMU_COMMON_H
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/sizes.h>
void dma_inv_range(void *ptr, size_t size);
void dma_flush_range(void *ptr, size_t size);
void *dma_alloc_map(size_t size, dma_addr_t *dma_handle, unsigned flags);
void __mmu_init(bool mmu_on);
static inline void arm_mmu_not_initialized_error(void)
{
/*
* This means:
* - one of the MMU functions like dma_alloc_coherent
* or remap_range is called too early, before the MMU is initialized
* - Or the MMU initialization has failed earlier
*/
panic("MMU not initialized\n");
}
static inline size_t resource_first_page(const struct resource *res)
{
return ALIGN_DOWN(res->start, SZ_4K);
}
static inline size_t resource_count_pages(const struct resource *res)
{
return ALIGN(resource_size(res), SZ_4K);
}
#endif
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