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/**
* @file
*
* @ingroup RTEMSBSPsPowerPCQorIQMMU
*
* @brief MMU API.
*/
/*
* Copyright (c) 2011-2015 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef LIBBSP_POWERPC_QORIQ_MMU_H
#define LIBBSP_POWERPC_QORIQ_MMU_H
#include <stdint.h>
#include <stdbool.h>
#include <bspopts.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup QorIQMMU QorIQ - MMU Support
*
* @ingroup RTEMSBSPsPowerPCQorIQ
*
* @brief MMU support.
*
* @{
*/
#define QORIQ_MMU_MIN_POWER 12
#define QORIQ_MMU_MAX_POWER 30
#define QORIQ_MMU_POWER_STEP 2
typedef struct {
uintptr_t begin;
uintptr_t last;
uint32_t mas1;
uint32_t mas2;
uint32_t mas3;
uint32_t mas7;
} qoriq_mmu_entry;
typedef struct {
int count;
qoriq_mmu_entry entries [QORIQ_TLB1_ENTRY_COUNT];
} qoriq_mmu_context;
void qoriq_mmu_context_init(qoriq_mmu_context *self);
bool qoriq_mmu_add(
qoriq_mmu_context *self,
uintptr_t begin,
uintptr_t last,
uint32_t mas1,
uint32_t mas2,
uint32_t mas3,
uint32_t mas7
);
void qoriq_mmu_partition(qoriq_mmu_context *self, int max_count);
void qoriq_mmu_write_to_tlb1(qoriq_mmu_context *self, int first_tlb);
void qoriq_mmu_change_perm(uint32_t test, uint32_t set, uint32_t clear);
void qoriq_mmu_config(bool boot_processor, int first_tlb, int scratch_tlb);
void qoriq_tlb1_write(
int esel,
uint32_t mas1,
uint32_t mas2,
uint32_t mas3,
uint32_t mas7,
uintptr_t ea,
int tsize
);
void qoriq_tlb1_invalidate(int esel);
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_POWERPC_QORIQ_MMU_H */
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