forked from xuos/xiuos
aiot cache codes
This commit is contained in:
parent
4d2e4498cc
commit
e745fc9129
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#define CP15_TLBIALLIS(r) _CP15(0, r, c8, c3, 0) /* Invalidate entire unified TLB Inner Shareable */
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#define CP15_TLBIMVAIS(r) _CP15(0, r, c8, c3, 1) /* Invalidate unified TLB entry by MVA and ASID, Inner Shareable */
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#define CP15_TLBIASIDIS(r) _CP15(0, r, c8, c3, 2) /* Invalidate unified TLB by ASID match Inner Shareable */
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#define CP15_TLBIMVAAIS(r) _CP15(0, r, c8, c3, 3) /* Invalidate unified TLB entry by MVA all ASID Inner Shareable */
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#define CP15_TLBIALL(r,c) _CP15(0, r, c8, c, 0) /* Invalidate entire instruction TLB. CRm = c5, c6, or c7 */
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#define CP15_TLBIMVA(r,c) _CP15(0, r, c8, c, 1) /* Invalidate instruction TLB entry by MVA and ASID. CRm = c5, c6, or c7 */
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#define CP15_TLBIASID(r,c) _CP15(0, r, c8, c, 2) /* Invalidate data TLB by ASID match. CRm = c5, c6, or c7 */
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#define CP15_TLBIMVAA(r,c) _CP15(0, r, c8, c, 3) /* Invalidate unified TLB entry by MVA and ASID. CRm = c5, c6, or c7 */
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void InvalidateTlbsAll(void)
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{
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__asm__ __volatile__
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(
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"\tmcr p15, 0, r0, c8, c7, 0\n" /* TLBIALL */
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:
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:
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: "r0", "memory"
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);
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}
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void InvalidateTlbMVA(uint32_t vaddr)
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{
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__asm__ __volatile__
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(
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"\tdsb\n"
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"\tmcr p15, 0, %0, c8, c7, 1\n" /* TLBIMVA */
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"\tdsb\n"
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"\tisb\n"
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:
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: "r" (vaddr)
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: "r1", "memory"
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);
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}
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void InvalidateTlbASID(uint32_t vaddr)
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{
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__asm__ __volatile__
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(
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"\tdsb\n"
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"\tmcr p15, 0, %0, c8, c7, 2\n" /* TLBIASID */
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"\tdsb\n"
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"\tisb\n"
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:
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: "r" (vaddr)
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: "r1", "memory"
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);
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}
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/****************************************************************************
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* arch/arm/src/armv7-a/barriers.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_ARMV7_A_BARRIERS_H
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#define __ARCH_ARM_SRC_ARMV7_A_BARRIERS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* ARMv7-A memory barriers */
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#define arm_isb(n) __asm__ __volatile__ ("isb " #n : : : "memory")
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#define arm_dsb(n) __asm__ __volatile__ ("dsb " #n : : : "memory")
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#define arm_dmb(n) __asm__ __volatile__ ("dmb " #n : : : "memory")
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#define ARM_DSB() arm_dsb(15)
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#define ARM_ISB() arm_isb(15)
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#define ARM_DMB() arm_dmb(15)
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#endif /* __ARCH_ARM_SRC_ARMV7_A_BARRIERS_H */
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@ -1,35 +1,365 @@
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/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/****************************************************************************
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* arch/arm/src/armv7-a/arm_cache.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/**
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* @file: cache.c
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* @brief: the general management of system cache
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* @version: 3.0
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* @author: AIIT XUOS Lab
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* @date: 2023/4/27
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*
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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void InvalidInsCache()
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#include "cache.h"
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#include "cp15_cacheops.h"
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#include "barriers.h"
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#include "l1cache.h"
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#include "l2cc.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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struct ICacheDone
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{
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PlatInvalidInsCache();
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uint32_t (*enable) (void );
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uint32_t (*disable) (void);
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uint32_t (*invalidate) (uintptr_t start, uintptr_t end);
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uint32_t (*invalidateall) (void );
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};
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static const struct ICacheDone icache_done =
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{
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.enable = enable_icache,
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.disable = disable_icache,
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.invalidate = invalidate_icache,
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.invalidateall = invalidate_icache_all,
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};
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struct DCacheDone
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{
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uint32_t (*enable) (void );
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uint32_t (*disable) (void);
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uint32_t (*clean) (uintptr_t start, uintptr_t end);
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uint32_t (*flush) (uintptr_t start, uintptr_t end);
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uint32_t (*invalidate) (uintptr_t start, uintptr_t end);
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uint32_t (*cleanall) (void);
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uint32_t (*flushall) (void);
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uint32_t (*invalidateall) (void);
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};
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static const struct DCacheDone dcache_done =
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{
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.enable = enable_dcache,
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.disable = disable_dcache,
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.clean = clean_dcache,
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.flush = flush_dcache,
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.invalidate = invalidate_dcache,
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.cleanall = clean_dcache_all,
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.flushall = flush_dcache_all,
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.invalidateall = invalidate_dcache_all,
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};
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/****************************************************************************
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* Name: invalidate_dcache
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*
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* Description:
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* Invalidate the data cache within the specified region; we will be
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* performing a DMA operation in this region and we want to purge old data
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* in the cache.
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*
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* Input Parameters:
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* start - virtual start address of region
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* end - virtual end address of region + 1
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* This operation is not atomic. This function assumes that the caller
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* has exclusive access to the address range so that no harm is done if
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* the operation is pre-empted.
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*
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****************************************************************************/
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void invalidate_dcache(uintptr_t start, uintptr_t end)
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{
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InvalidateL1Dcache(start, end);
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InvalidateL2Cache(start, end);
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}
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void InvalidDataCache(unsigned long start, unsigned long end)
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/****************************************************************************
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* Name: invalidate_dcache_all
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*
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* Description:
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* Invalidate the entire contents of D cache.
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*
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* NOTE: This function forces L1 and L2 cache operations to be atomic
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* by disabling interrupts.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void invalidate_dcache_all(void)
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{
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PlatInvalidDateCache(start, end);
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InvalidateL1DcacheAll();
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#ifdef CONFIG_ARCH_L2CACHE
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InvalidateL2CacheAll();
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#endif
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}
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void CleanDataCache(unsigned long start, unsigned long end)
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/****************************************************************************
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* Name: invalidate_icache
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*
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* Description:
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* Invalidate the instruction cache within the specified region.
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*
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* Input Parameters:
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* start - virtual start address of region
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* end - virtual end address of region + 1
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void invalidate_icache(uintptr_t start, uintptr_t end)
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{
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PlatCleanDateCache(start, end);
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}
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InvalidateL1Icache(start, end);
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}
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/****************************************************************************
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* Name: invalidate_icache_all
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*
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* Description:
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* Invalidate all instruction caches to PoU, also flushes branch target
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* cache
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void invalidate_icache_all(void)
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{
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InvalidateL1IcacheAll();
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}
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/****************************************************************************
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* Name: clean_dcache
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*
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* Description:
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* Clean the data cache within the specified region by flushing the
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* contents of the data cache to memory.
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*
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* Input Parameters:
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* start - virtual start address of region
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* end - virtual end address of region + 1
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* This operation is not atomic. This function assumes that the caller
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* has exclusive access to the address range so that no harm is done if
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* the operation is pre-empted.
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*
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****************************************************************************/
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void clean_dcache(uintptr_t start, uintptr_t end)
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{
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CleanL1Dcache(start, end);
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CleanL2Cache(start, end);
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}
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/****************************************************************************
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* Name: clean_dcache_all
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*
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* Description:
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* Clean the entire data cache within the specified region by flushing the
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* contents of the data cache to memory.
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*
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* NOTE: This operation is un-necessary if the DCACHE is configured in
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* write-through mode.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* This operation is not atomic. This function assumes that the caller
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* has exclusive access to the address range so that no harm is done if
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* the operation is pre-empted.
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*
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****************************************************************************/
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void clean_dcache_all(void)
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{
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CleanL1DcacheAll();
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CleanL2CacheAll();
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}
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/****************************************************************************
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* Name: flush_dcache
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*
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* Description:
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* Flush the data cache within the specified region by cleaning and
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* invalidating the D cache.
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*
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* Input Parameters:
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* start - virtual start address of region
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* end - virtual end address of region + 1
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* This operation is not atomic. This function assumes that the caller
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* has exclusive access to the address range so that no harm is done if
|
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* the operation is pre-empted.
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*
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****************************************************************************/
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void flush_dcache(uintptr_t start, uintptr_t end)
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{
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FlushL1Dcache(start, end);
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FlushL2Cache(start, end);
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}
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/****************************************************************************
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* Name: flush_dcache_all
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*
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* Description:
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* Flush the entire data cache by cleaning and invalidating the D cache.
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*
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* NOTE: If DCACHE write-through is configured, then this operation is the
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* same as invalidate_cache_all().
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
|
||||
* None
|
||||
*
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||||
* Assumptions:
|
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* This operation is not atomic. This function assumes that the caller
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* has exclusive access to the address range so that no harm is done if
|
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* the operation is pre-empted.
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*
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****************************************************************************/
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void flush_dcache_all(void)
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{
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FlushL1DcacheAll();
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FlushL2CacheAll();
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}
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/****************************************************************************
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* Name: enable_icache
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*
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* Description:
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* Enable the I-Cache
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*
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* Input Parameters:
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* None
|
||||
*
|
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* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
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void enable_icache(void)
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{
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EnableL1Icache();
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}
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|
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/****************************************************************************
|
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* Name: disable_icache
|
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*
|
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* Description:
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* Disable the I-Cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
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|
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void disable_icache(void)
|
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{
|
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DisableL1Icache();
|
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}
|
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|
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/****************************************************************************
|
||||
* Name: enable_dcache
|
||||
*
|
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* Description:
|
||||
* Enable the D-Cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
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|
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void enable_dcache(void)
|
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{
|
||||
EnableL1Dcache();
|
||||
EnableL2Cache();
|
||||
}
|
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|
||||
/****************************************************************************
|
||||
* Name: disable_dcache
|
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*
|
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* Description:
|
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* Disable the D-Cache
|
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*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void disable_dcache(void)
|
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{
|
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DisableL1Dcache();
|
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DisableL2Cache();
|
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}
|
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|
||||
|
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|
|
|
@ -0,0 +1,419 @@
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/****************************************************************************
|
||||
* include/nuttx/cache.h
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __INCLUDE_NUTTX_CACHE_H
|
||||
#define __INCLUDE_NUTTX_CACHE_H
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
|
||||
#include <stdint.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: enable_icache
|
||||
*
|
||||
* Description:
|
||||
* Enable the I-Cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
* Caution:
|
||||
* The writable global variables aren't initialized yet.
|
||||
*
|
||||
****************************************************************************/
|
||||
void enable_icache(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: disable_icache
|
||||
*
|
||||
* Description:
|
||||
* Disable the I-Cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
void disable_icache(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: invalidate_icache
|
||||
*
|
||||
* Description:
|
||||
* Invalidate the instruction cache within the specified region.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
void invalidate_icache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: invalidate_icache_all
|
||||
*
|
||||
* Description:
|
||||
* Invalidate the entire contents of I cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void invalidate_icache_all(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lock_icache
|
||||
*
|
||||
* Description:
|
||||
* Prefetch and lock the instruction cache within the specified region.
|
||||
* If the specified address if not present in the instruction cache,
|
||||
* some architectures transfer the line from memory, others wait the
|
||||
* address be read from memory, and then lock.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void lock_icache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: unlock_icache
|
||||
*
|
||||
* Description:
|
||||
* Unlock the instruction cache within the specified region.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void unlock_icache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: unlock_icache_all
|
||||
*
|
||||
* Description:
|
||||
* Unlock the entire contents of instruction cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void unlock_icache_all(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: enable_dcache
|
||||
*
|
||||
* Description:
|
||||
* Enable the D-Cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
* Caution:
|
||||
* The writable global variables aren't initialized yet.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void enable_dcache(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: disable_dcache
|
||||
*
|
||||
* Description:
|
||||
* Disable the D-Cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void disable_dcache(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: invalidate_dcache
|
||||
*
|
||||
* Description:
|
||||
* Invalidate the data cache within the specified region; we will be
|
||||
* performing a DMA operation in this region and we want to purge old data
|
||||
* in the cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void invalidate_dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: invalidate_dcache_all
|
||||
*
|
||||
* Description:
|
||||
* Invalidate the entire contents of D cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void invalidate_dcache_all(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: clean_dcache
|
||||
*
|
||||
* Description:
|
||||
* Clean the data cache within the specified region by flushing the
|
||||
* contents of the data cache to memory.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void clean_dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: clean_dcache_all
|
||||
*
|
||||
* Description:
|
||||
* Clean the entire data cache within the specified region by flushing the
|
||||
* contents of the data cache to memory.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void clean_dcache_all(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: flush_dcache
|
||||
*
|
||||
* Description:
|
||||
* Flush the data cache within the specified region by cleaning and
|
||||
* invalidating the D cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void flush_dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: flush_dcache_all
|
||||
*
|
||||
* Description:
|
||||
* Flush the entire data cache by cleaning and invalidating the D cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void flush_dcache_all(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lock_dcache
|
||||
*
|
||||
* Description:
|
||||
* Prefetch and lock the data cache within the specified region.
|
||||
* If the specified address is not present in the data cache,
|
||||
* some architectures transfer the line from memory, others wait the
|
||||
* address be read from memory, and then lock.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void lock_dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: unlock_dcache
|
||||
*
|
||||
* Description:
|
||||
* Unlock the data cache within the specified region.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void unlock_dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: unlock_dcache_all
|
||||
*
|
||||
* Description:
|
||||
* Unlock the entire contents of data cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void unlock_dcache_all(void);
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Name: coherent_dcache
|
||||
*
|
||||
* Description:
|
||||
* Ensure that the I and D caches are coherent within specified region
|
||||
* by cleaning the D cache (i.e., flushing the D cache contents to memory
|
||||
* and invalidating the I cache. This is typically used when code has been
|
||||
* written to a memory region, and will be executed.
|
||||
*
|
||||
* Input Parameters:
|
||||
* addr - virtual start address of region
|
||||
* len - Size of the address region in bytes
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
void coherent_dcache(uintptr_t addr, size_t len);
|
||||
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
#endif /* __INCLUDE_NUTTX_CACHE_H */
|
File diff suppressed because it is too large
Load Diff
|
@ -0,0 +1,138 @@
|
|||
/****************************************************************************
|
||||
* arch/arm/src/armv7-a/cp15_coherent_dcache.S
|
||||
*
|
||||
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Portions of this file derive from Atmel sample code for the SAMA5D3
|
||||
* Cortex-A5 which also has a modified BSD-style license:
|
||||
*
|
||||
* Copyright (c) 2012, Atmel Corporation
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor Atmel nor the names of the contributors may
|
||||
* be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/* References:
|
||||
*
|
||||
* "Cortex-A5 MPCore, Technical Reference Manual", Revision: r0p1,
|
||||
* Copyright (c) 2010 ARM. All rights reserved. ARM DDI 0434B (ID101810)
|
||||
* "ARM Architecture Reference Manual, ARMv7-A and ARMv7-R edition",
|
||||
* Copyright (c) 1996-1998, 2000, 2004-2012 ARM. All rights reserved. ARM
|
||||
* DDI 0406C.b (ID072512)
|
||||
*/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include "cp15.h"
|
||||
|
||||
.file "cp15_coherent_dcache.S"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Symbols
|
||||
****************************************************************************/
|
||||
|
||||
.globl cp15_coherent_dcache
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
.text
|
||||
|
||||
/****************************************************************************
|
||||
* Name: cp15_coherent_dcache
|
||||
*
|
||||
* Description:
|
||||
* Ensure that the I and D caches are coherent within specified region
|
||||
* by cleaning the D cache (i.e., flushing the D cache contents to memory
|
||||
* and invalidating the I cache. This is typically used when code has been
|
||||
* written to a memory region, and will be executed.
|
||||
*
|
||||
* Input Parameters:
|
||||
* start - virtual start address of region
|
||||
* end - virtual end address of region + 1
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
.globl cp15_coherent_dcache
|
||||
.type cp15_coherent_dcache, function
|
||||
|
||||
cp15_coherent_dcache:
|
||||
mrc CP15_CTR(r3) /* Read the Cache Type Register */
|
||||
lsr r3, r3, #16 /* Isolate the DMinLine field */
|
||||
and r3, r3, #0xf
|
||||
mov r2, #4
|
||||
mov r2, r2, lsl r3 /* Get the cache line size in bytes */
|
||||
|
||||
sub r3, r2, #1 /* R3=Cache line size mask */
|
||||
bic r12, r0, r3 /* R12=aligned start address */
|
||||
|
||||
/* Loop, flushing each D cache line to memory */
|
||||
1:
|
||||
mcr CP15_DCCMVAU(r12) /* Clean data or unified cache line by VA to PoU */
|
||||
add r12, r12, r2 /* R12=Next cache line */
|
||||
cmp r12, r1 /* Loop until all cache lines have been cleaned */
|
||||
blo 1b
|
||||
|
||||
dsb
|
||||
|
||||
mrc CP15_CTR(r3) /* Read the Cache Type Register */
|
||||
and r3, r3, #0xf /* Isolate the IminLine field */
|
||||
mov r2, #4
|
||||
mov r2, r2, lsl r3 /* Get the cache line size in bytes */
|
||||
|
||||
sub r3, r2, #1 /* R3=Cache line size mask */
|
||||
bic r12, r0, r3 /* R12=aligned start address */
|
||||
|
||||
/* Loop, invalidating each I cache line to memory */
|
||||
1:
|
||||
mcr CP15_ICIMVAU(r12) /* Invalidate instruction cache by VA to PoU */
|
||||
add r12, r12, r2 /* R12=Next cache line */
|
||||
cmp r12, r1 /* Loop until all cache lines have been invalidated */
|
||||
blo 1b
|
||||
|
||||
mov r0, #0
|
||||
mcr CP15_BPIALLIS(r0) /* Invalidate entire branch predictor array Inner Shareable */
|
||||
mcr CP15_BPIALL(r0) /* Invalidate entire branch predictor array Inner Shareable */
|
||||
|
||||
dsb
|
||||
isb
|
||||
bx lr
|
||||
.size cp15_coherent_dcache, . - cp15_coherent_dcache
|
||||
.end
|
|
@ -0,0 +1,279 @@
|
|||
#include "l1cache.h"
|
||||
#include "cp15_cacheops.h"
|
||||
#include "barriers.h"
|
||||
|
||||
void InvalidateL1Dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
size_t length=end-start;
|
||||
void* addr=start;
|
||||
|
||||
uint32_t va;
|
||||
uint32_t csidr = 0, line_size = 0;
|
||||
|
||||
// get the cache line size
|
||||
_ARM_MRC(15, 1, csidr, 0, 0, 0);
|
||||
line_size = 1 << ((csidr & 0x7) + 4);
|
||||
|
||||
// align the address with line
|
||||
const void * end_addr = (const void *)((uint32_t)addr + length);
|
||||
|
||||
do
|
||||
{
|
||||
// Clean data cache line to PoC (Point of Coherence) by va.
|
||||
va = (uint32_t) ((uint32_t)addr & (~(line_size - 1))); //addr & va_VIRTUAL_ADDRESS_MASK
|
||||
_ARM_MCR(15, 0, va, 7, 6, 1);
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (const void *) ((uint32_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
|
||||
void InvalidateL1DcacheAll(void)
|
||||
{
|
||||
uint32_t csid; // Cache Size ID
|
||||
uint32_t wayset; // wayset parameter
|
||||
int num_sets; // number of sets
|
||||
int num_ways; // number of ways
|
||||
|
||||
_ARM_MRC(15, 1, csid, 0, 0, 0); // Read Cache Size ID
|
||||
|
||||
// Fill number of sets and number of ways from csid register This walues are decremented by 1
|
||||
num_ways = (csid >> 0x03) & 0x3FFu; //((csid& csid_ASSOCIATIVITY_MASK) >> csid_ASSOCIATIVITY_SHIFT)
|
||||
|
||||
// Invalidation all lines (all Sets in all ways)
|
||||
while (num_ways >= 0)
|
||||
{
|
||||
num_sets = (csid >> 0x0D) & 0x7FFFu; //((csid & csid_NUMSETS_MASK) >> csid_NUMSETS_SHIFT)
|
||||
while (num_sets >= 0 )
|
||||
{
|
||||
wayset = (num_sets << 5u) | (num_ways << 30u); //(num_sets << SETWAY_SET_SHIFT) | (num_sets << 3SETWAY_WAY_SHIFT)
|
||||
// invalidate line if we know set and way
|
||||
_ARM_MCR(15, 0, wayset, 7, 6, 2);
|
||||
num_sets--;
|
||||
}
|
||||
num_ways--;
|
||||
}
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
|
||||
|
||||
void CleanL1Dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
void* addr=start;
|
||||
size_t length=end-start;
|
||||
uint32_t va;
|
||||
uint32_t csidr = 0, line_size = 0;
|
||||
const void * end_addr = (const void *)((uint32_t)addr + length);
|
||||
|
||||
// get the cache line size
|
||||
_ARM_MRC(15, 1, csidr, 0, 0, 0);
|
||||
line_size = 1 << ((csidr & 0x7) + 4);
|
||||
|
||||
do
|
||||
{
|
||||
// Clean data cache line to PoC (Point of Coherence) by va.
|
||||
va = (uint32_t) ((uint32_t)addr & (~(line_size - 1))); //addr & va_VIRTUAL_ADDRESS_MASK
|
||||
_ARM_MCR(15, 0, va, 7, 10, 1);
|
||||
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (const void *) ((uint32_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
|
||||
void CleanL1DcacheAll(void)
|
||||
{
|
||||
uint32_t csid; // Cache Size ID
|
||||
uint32_t wayset; // wayset parameter
|
||||
int num_sets; // number of sets
|
||||
int num_ways; // number of ways
|
||||
|
||||
_ARM_MRC(15, 1, csid, 0, 0, 0); // Read Cache Size ID
|
||||
|
||||
// Fill number of sets and number of ways from csid register This walues are decremented by 1
|
||||
num_ways = (csid >> 0x03) & 0x3FFu; //((csid& csid_ASSOCIATIVITY_MASK) >> csid_ASSOCIATIVITY_SHIFT`)
|
||||
while (num_ways >= 0)
|
||||
{
|
||||
num_sets = (csid >> 0x0D) & 0x7FFFu; //((csid & csid_NUMSETS_MASK) >> csid_NUMSETS_SHIFT )
|
||||
while (num_sets >= 0 )
|
||||
{
|
||||
wayset = (num_sets << 5u) | (num_ways << 30u); //(num_sets << SETWAY_SET_SHIFT) | (num_ways << 3SETWAY_WAY_SHIFT)
|
||||
// FLUSH (clean) line if we know set and way
|
||||
_ARM_MCR(15, 0, wayset, 7, 10, 2);
|
||||
num_sets--;
|
||||
}
|
||||
num_ways--;
|
||||
}
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
|
||||
void FlushL1Dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
void* addr=start;
|
||||
size_t length=end-start;
|
||||
uint32_t va;
|
||||
uint32_t csidr = 0, line_size = 0;
|
||||
const void * end_addr = (const void *)((uint32_t)end);
|
||||
|
||||
// get the cache line size
|
||||
_ARM_MRC(15, 1, csidr, 0, 0, 0);
|
||||
line_size = 1 << ((csidr & 0x7) + 4);
|
||||
|
||||
do
|
||||
{
|
||||
// Clean data cache line to PoC (Point of Coherence) by va.
|
||||
va = (uint32_t) ((uint32_t)addr & (~(line_size - 1))); //addr & va_VIRTUAL_ADDRESS_MASK
|
||||
_ARM_MCR(15, 0, va, 7, 14, 1);
|
||||
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (const void *) ((uint32_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
|
||||
void FlushL1DcacheAll(void)
|
||||
{
|
||||
uint32_t csid; // Cache Size ID
|
||||
uint32_t wayset; // wayset parameter
|
||||
int num_sets; // number of sets
|
||||
int num_ways; // number of ways
|
||||
|
||||
_ARM_MRC(15, 1, csid, 0, 0, 0); // Read Cache Size ID
|
||||
|
||||
// Fill number of sets and number of ways from csid register This walues are decremented by 1
|
||||
num_ways = (csid >> 0x03) & 0x3FFu; //((csid& csid_ASSOCIATIVITY_MASK) >> csid_ASSOCIATIVITY_SHIFT`)
|
||||
while (num_ways >= 0)
|
||||
{
|
||||
num_sets = (csid >> 0x0D) & 0x7FFFu; //((csid & csid_NUMSETS_MASK) >> csid_NUMSETS_SHIFT )
|
||||
while (num_sets >= 0 )
|
||||
{
|
||||
wayset = (num_sets << 5u) | (num_ways << 30u); //(num_sets << SETWAY_SET_SHIFT) | (num_ways << 3SETWAY_WAY_SHIFT)
|
||||
// FLUSH (clean) line if we know set and way
|
||||
_ARM_MCR(15, 0, wayset, 7, 14, 2);
|
||||
num_sets--;
|
||||
}
|
||||
num_ways--;
|
||||
}
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
|
||||
void InvalidateL1IcacheAll()
|
||||
{
|
||||
uint32_t SBZ = 0x0u;
|
||||
|
||||
_ARM_MCR(15, 0, SBZ, 7, 5, 0);
|
||||
|
||||
// synchronize context on this processor
|
||||
_ARM_ISB();
|
||||
}
|
||||
|
||||
void InvalidateL1Icache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
void* addr=start;
|
||||
uint32_t va;
|
||||
uint32_t csidr = 0, line_size = 0;
|
||||
const void * end_addr = (const void *)((uint32_t)end);
|
||||
|
||||
// get the cache line size
|
||||
_ARM_MRC(15, 1, csidr, 0, 0, 0);
|
||||
line_size = 1 << ((csidr & 0x7) + 4);
|
||||
|
||||
do
|
||||
{
|
||||
// Clean data cache line to PoC (Point of Coherence) by va.
|
||||
va = (uint32_t) ((uint32_t)addr & (~(line_size - 1))); //addr & va_VIRTUAL_ADDRESS_MASK
|
||||
_ARM_MCR(15, 0, va, 7, 5, 1);
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (const void *) ((uint32_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// synchronize context on this processor
|
||||
_ARM_ISB();
|
||||
}
|
||||
|
||||
void EnableL1Icache(void)
|
||||
{
|
||||
uint32_t sctlr ;// System Control Register
|
||||
|
||||
// read sctlr
|
||||
_ARM_MRC(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// ignore the operation if I is enabled already
|
||||
if(!(sctlr & BM_SCTLR_I))
|
||||
{
|
||||
// set I bit (instruction caching enable)
|
||||
sctlr |= BM_SCTLR_I;
|
||||
|
||||
// write modified sctlr
|
||||
_ARM_MCR(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// synchronize context on this processor
|
||||
_ARM_ISB();
|
||||
}
|
||||
}
|
||||
|
||||
void DisableL1Icache()
|
||||
{
|
||||
uint32_t sctlr ;// System Control Register
|
||||
|
||||
// read sctlr
|
||||
_ARM_MRC(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// Clear I bit (instruction caching enable)
|
||||
sctlr &= ~BM_SCTLR_I;
|
||||
|
||||
// write modified sctlr
|
||||
_ARM_MCR(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// synchronize context on this processor
|
||||
_ARM_ISB();
|
||||
}
|
||||
|
||||
void EnableL1Dcache()
|
||||
{
|
||||
uint32_t sctlr; // System Control Register
|
||||
|
||||
// read sctlr
|
||||
_ARM_MRC(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
if (!(sctlr & BM_SCTLR_C))
|
||||
{
|
||||
// set C bit (data caching enable)
|
||||
sctlr |= BM_SCTLR_C;
|
||||
|
||||
// write modified sctlr
|
||||
_ARM_MCR(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
||||
}
|
||||
|
||||
void DisableL1Dcache()
|
||||
{
|
||||
uint32_t sctlr; // System Control Register
|
||||
|
||||
// read sctlr
|
||||
_ARM_MRC(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// set C bit (data caching enable)
|
||||
sctlr &= ~BM_SCTLR_C;
|
||||
|
||||
// write modified sctlr
|
||||
_ARM_MCR(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
_ARM_DSB();
|
||||
}
|
|
@ -0,0 +1,130 @@
|
|||
/*
|
||||
* Copyright (c) 2022 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file l1cache.c
|
||||
* @brief PLC inovance am401 app
|
||||
* @version 3.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.8.10
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <sys/types.h>
|
||||
#include "cortex_a9.h"
|
||||
|
||||
/* Terms:
|
||||
* 1) Point of coherency (PoC)
|
||||
* The PoC is the point at which all agents that can access memory are
|
||||
* guaranteed to see the same copy of a memory location
|
||||
* 2) Point of unification (PoU)
|
||||
* The PoU is the point by which the instruction and data caches and the
|
||||
* translation table walks of the processor are guaranteed to see the same
|
||||
* copy of a memory location.
|
||||
*
|
||||
* L1 Cache Operations:
|
||||
*
|
||||
* CP15 Register: ICIALLUIS
|
||||
* Description: Invalidate entire instruction cache Inner Shareable.
|
||||
* Register Format: Should be zero (SBZ)
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c1, 0
|
||||
* CP15 Register: BPIALLIS
|
||||
* Description: Invalidate entire branch predictor array Inner
|
||||
* Shareable.
|
||||
* Register Format: Should be zero (SBZ)
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c1, 6
|
||||
* CP15 Register: ICIALLU
|
||||
* Description: Invalidate all instruction caches to PoU. Also flushes
|
||||
* branch target cache.
|
||||
* Register Format: Should be zero (SBZ)
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c5, 0
|
||||
* CP15 Register: ICIMVAU
|
||||
* Description: Invalidate instruction cache by VA to PoU.
|
||||
* Register Format: VA
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c5, 1
|
||||
* CP15 Register: CP15ISB
|
||||
* Description: Instruction Synchronization Barrier operation
|
||||
* NOTE: Deprecated and no longer documented
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c5, 4
|
||||
* CP15 Register: BPIALL
|
||||
* Description: Invalidate entire branch predictor array.
|
||||
* Register Format: Should be zero (SBZ)
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c5, 6
|
||||
* CP15 Register: BPIMVA
|
||||
* Description: Invalidate VA from branch predictor array.
|
||||
* Register Format: Should be zero (SBZ)
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c5, 7
|
||||
* CP15 Register: DCIMVAC
|
||||
* Description: Invalidate data cache line by VA to PoC.
|
||||
* Register Format: VA
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c6, 1
|
||||
* CP15 Register: DCISW
|
||||
* Description: Invalidate data cache line by Set/Way.
|
||||
* Register Format: Set/Way
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c6, 2
|
||||
* CP15 Register: DCCMVAC
|
||||
* Description: Clean data cache line to PoC by VA.
|
||||
* Register Format: VA
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c10, 1
|
||||
* CP15 Register: DCCSW
|
||||
* Description: Clean data cache line by Set/Way.
|
||||
* Register Format: Set/Way
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c10, 2
|
||||
* CP15 Register: CP15DSB
|
||||
* Description: Data Synchronization Barrier operation
|
||||
* NOTE: Deprecated and no longer documented
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c10, 4
|
||||
* CP15 Register: CP15DMB
|
||||
* Description: Data Memory Barrier operation
|
||||
* NOTE: Deprecated and no longer documented
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c10, 5
|
||||
* CP15 Register: DCCMVAU
|
||||
* Description: Clean data or unified cache line by VA to PoU.
|
||||
* Register Format: VA
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c11, 1
|
||||
* CP15 Register: DCCIMVAC
|
||||
* Description: Clean and invalidate data cache line by VA to PoC.
|
||||
* Register Format: VA
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c14, 1
|
||||
* CP15 Register: DCCISW
|
||||
* Description: Clean and invalidate data cache line by Set/Way.
|
||||
* Register Format: Set/Way
|
||||
* Instruction: MCR p15, 0, <Rd>, c7, c14, 2
|
||||
*/
|
||||
|
||||
#define BM_SCTLR_I (1 << 12) //!< Instruction cache enable
|
||||
#define BM_SCTLR_C (1 << 2) //!< Data cache enable
|
||||
|
||||
void InvalidateL1Dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void InvalidateL1DcacheAll(void);
|
||||
|
||||
|
||||
void CleanL1Dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void CleanL1DcacheAll(void);
|
||||
|
||||
void FlushL1Dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void FlushL1DcacheAll(void);
|
||||
|
||||
|
||||
void InvalidateL1IcacheAll(void);
|
||||
|
||||
void InvalidateL1Icache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void EnableL1Icache(void);
|
||||
void DisableL1Icache();
|
||||
|
||||
void EnableL1Dcache();
|
||||
|
||||
void DisableL1Dcache();
|
|
@ -0,0 +1,243 @@
|
|||
/****************************************************************************
|
||||
* arch/arm/src/armv7-a/l2cc.h
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_ARMV7_A_L2CC_H
|
||||
#define __ARCH_ARM_SRC_ARMV7_A_L2CC_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#define CONFIG_ARCH_L2CACHE
|
||||
|
||||
#ifdef CONFIG_ARCH_L2CACHE
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: arm_l2ccinitialize
|
||||
*
|
||||
* Description:
|
||||
* One time configuration of the L2 cache. The L2 cache will be enabled
|
||||
* upon return.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None. The L2 cache configuration is controlled by configuration
|
||||
* settings.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#if 0 /* Prototyped in arm_internal.h */
|
||||
void arm_l2ccinitialize(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_enable
|
||||
*
|
||||
* Description:
|
||||
* Re-enable the L2CC-P310 L2 cache by setting the enable bit in the
|
||||
* Control Register (CR)
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void EnableL2Cache(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_disable
|
||||
*
|
||||
* Description:
|
||||
* Disable the L2 cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void DisableL2Cache(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_sync
|
||||
*
|
||||
* Description:
|
||||
* Drain the L2 cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void SyncL2Cache(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_invalidate_all
|
||||
*
|
||||
* Description:
|
||||
* Invalidate the entire L2 cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void InvalidateL2CacheAll(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_invalidate
|
||||
*
|
||||
* Description:
|
||||
* Invalidate a range of addresses in the L2 cache
|
||||
*
|
||||
* Input Parameters:
|
||||
* startaddr - The first address to be invalidated
|
||||
* endaddr - The last address to be invalidated
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void InvalidateL2Cache(uintptr_t startaddr, uintptr_t endaddr);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_clean_all
|
||||
*
|
||||
* Description:
|
||||
* Clean the entire L2 cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void CleanL2CacheAll(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_clean
|
||||
*
|
||||
* Description:
|
||||
* Clean a range of address within the L2 cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* startaddr - The first address to be cleaned
|
||||
* endaddr - The last address to be cleaned
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void CleanL2Cache(uintptr_t startaddr, uintptr_t endaddr);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_flush_all
|
||||
*
|
||||
* Description:
|
||||
* Flush the entire L2 cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void FlushL2CacheAll(void);
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_flush
|
||||
*
|
||||
* Description:
|
||||
* Flush a range of address within the L2 cache.
|
||||
*
|
||||
* Input Parameters:
|
||||
* startaddr - The first address to be flushed
|
||||
* endaddr - The last address to be flushed
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void FlushL2Cache(uint32_t startaddr, uint32_t endaddr);
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
#else /* CONFIG_ARCH_L2CACHE */
|
||||
/* Provide simple definitions to concentrate the inline conditional
|
||||
* compilation in one place.
|
||||
*/
|
||||
|
||||
# define EnableL2Cache()
|
||||
# define DisableL2Cache()
|
||||
# define SyncL2Cache()
|
||||
# define InvalidateL2CacheAll()
|
||||
# define InvalidateL2Cache(s,e)
|
||||
# define CleanL2CacheAll()
|
||||
# define CleanL2Cache(s,e)
|
||||
# define FlushL2CacheAll()
|
||||
# define FlushL2Cache(s,e)
|
||||
|
||||
#endif /* CONFIG_ARCH_L2CACHE */
|
||||
#endif /* __ARCH_ARM_SRC_ARMV7_A_L2CC_H */
|
|
@ -0,0 +1,866 @@
|
|||
/*
|
||||
* Copyright (c) 2022 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file l2cc_pl310.c
|
||||
* @brief PLC inovance am401 app
|
||||
* @version 3.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.8.10
|
||||
*/
|
||||
|
||||
|
||||
|
||||
#include <stdint.h>
|
||||
#include <assert.h>
|
||||
#include <debug.h>
|
||||
|
||||
|
||||
#include "l2cc.h"
|
||||
#include "l2cc_pl310.h"
|
||||
|
||||
|
||||
#define CONFIG_ARMV7A_ASSOCIATIVITY_8WAY
|
||||
#define CONFIG_ARMV7A_WAYSIZE_16KB
|
||||
|
||||
#define getreg8(a) (*(volatile uint8_t *)(a))
|
||||
#define putreg8(v,a) (*(volatile uint8_t *)(a) = (v))
|
||||
#define getreg16(a) (*(volatile uint16_t *)(a))
|
||||
#define putreg16(v,a) (*(volatile uint16_t *)(a) = (v))
|
||||
#define getreg32(a) (*(volatile uint32_t *)(a))
|
||||
#define putreg32(v,a) (*(volatile uint32_t *)(a) = (v))
|
||||
|
||||
#ifdef CONFIG_HAVE_FILENAME
|
||||
# define PANIC() _assert(__FILE__, __LINE__)
|
||||
#else
|
||||
# define PANIC() _assert("unknown", 0)
|
||||
#endif
|
||||
|
||||
#define ASSERT(f) do { if (!(f)) PANIC(); } while (0)
|
||||
#define VERIFY(f) do { if ((f) < 0) PANIC(); } while (0)
|
||||
|
||||
#ifdef CONFIG_DEBUG_ASSERTIONS
|
||||
# define DEBUGPANIC() PANIC()
|
||||
# define DEBUGASSERT(f) ASSERT(f)
|
||||
# define DEBUGVERIFY(f) VERIFY(f)
|
||||
#else
|
||||
# define DEBUGPANIC()
|
||||
# define DEBUGASSERT(f) ((void)(1 || (f)))
|
||||
# define DEBUGVERIFY(f) ((void)(f))
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* Configuration ************************************************************/
|
||||
|
||||
/* Number of ways depends on ARM configuration */
|
||||
|
||||
#if defined(CONFIG_ARMV7A_ASSOCIATIVITY_8WAY)
|
||||
# define PL310_NWAYS 8
|
||||
# define PL310_WAY_MASK 0x000000ff
|
||||
#elif defined(CONFIG_ARMV7A_ASSOCIATIVITY_16WAY)
|
||||
# define PL310_NWAYS 16
|
||||
# define PL310_WAY_MASK 0x0000ffff
|
||||
#else
|
||||
# error "Number of ways not selected"
|
||||
#endif
|
||||
|
||||
/* The size of one depends on ARM configuration */
|
||||
|
||||
#if defined(CONFIG_ARMV7A_WAYSIZE_16KB)
|
||||
# define PL310_WAYSIZE (16 * 1024)
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_32KB)
|
||||
# define PL310_WAYSIZE (32 * 1024)
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_64KB)
|
||||
# define PL310_WAYSIZE (64 * 1024)
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_128KB)
|
||||
# define PL310_WAYSIZE (128 * 1024)
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_256KB)
|
||||
# define PL310_WAYSIZE (256 * 1024)
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_512KB)
|
||||
# define PL310_WAYSIZE (512 * 1024)
|
||||
#else
|
||||
# error "Way size not selected"
|
||||
#endif
|
||||
|
||||
/* The size of the cache is then the product of the number of ways times
|
||||
* the size of each way.
|
||||
*/
|
||||
|
||||
#define PL310_CACHE_SIZE (PL310_NWAYS * PL310_WAYSIZE)
|
||||
|
||||
/* Use for aligning addresses to a cache line boundary */
|
||||
|
||||
#define PL310_CACHE_LINE_MASK (PL310_CACHE_LINE_SIZE - 1)
|
||||
|
||||
/* Configurable options
|
||||
*
|
||||
* REVISIT: Currently there are not configuration options. All values
|
||||
* are just set to the default.
|
||||
*/
|
||||
|
||||
/* Bit 0: Full line zero enable
|
||||
*
|
||||
* Default: 0=Full line of write zero behavior disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_FLZE_CONFIG (0) /* 0=Full line of write zero behavior disabled */
|
||||
|
||||
/* Bit 10: High Priority for SO and Dev Reads Enable
|
||||
*
|
||||
* Default: 0=Strongly Ordered and Device reads have lower priority than
|
||||
* cacheable accesses
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_HPSO_CONFIG (0) /* 0=Have lower priority than cache */
|
||||
|
||||
/* Bit 11: Store Buffer Device Limitation Enable
|
||||
*
|
||||
* Default: 0=Store buffer device limitation disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_SBDLE_CONFIG (0) /* 0=Store buffer device limitation disabled */
|
||||
|
||||
/* Bit 12: Exclusive Cache Configuration
|
||||
*
|
||||
* Default: 0=Disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_EXCC_CONFIG (0) /* 0=Disabled */
|
||||
|
||||
/* Bit 13: Shared Attribute Invalidate Enable
|
||||
*
|
||||
* Default: 0=Shared invalidate behavior disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_SAIE_CONFIG (0) /* 0=Shared invalidate behavior disabled */
|
||||
|
||||
/* Bit 20: Event Monitor Bus Enable
|
||||
*
|
||||
* Default: 0=Disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_EMBEN_CONFIG (0) /* 0=Disabled */
|
||||
|
||||
/* Bit 21: Parity Enable
|
||||
*
|
||||
* Default: 0=Disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_PEN_CONFIG (0) /* 0=Disabled */
|
||||
|
||||
/* Bit 22: Shared Attribute Override Enable
|
||||
*
|
||||
* Default: 0=Treats shared accesses as specified in the TRM
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_SAOEN_CONFIG (0) /* 0=As specified in the TRM */
|
||||
|
||||
/* Bits 23-24: Force Write Allocate
|
||||
*
|
||||
* Default: 0=Use AWCACHE attributes for WA
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_FWA_CONFIG L2CC_ACR_FWA_AWCACHE /* Use AWCACHE attributes for WA */
|
||||
|
||||
/* Bit 25: Cache Replacement Policy
|
||||
*
|
||||
* Default: 1=Round robin replacement policy
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_CRPOL_CONFIG L2CC_ACR_CRPOL /* 1=Round robin replacement policy */
|
||||
|
||||
/* Bit 26: Non-Secure Lockdown Enable
|
||||
*
|
||||
* Default: 0=Lockdown registers cannot be modified using non-secure accesses
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_NSLEN_CONFIG (0) /* 0=Secure access only */
|
||||
|
||||
/* Bit 27: Non-Secure Interrupt Access Control
|
||||
*
|
||||
* Default: 0=Interrupt Clear and Mask can only be modified or read with
|
||||
* secure accesses
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_NSIAC_CONFIG (0) /* 0=Secure access only */
|
||||
|
||||
/* Bit 28: Data Prefetch Enable
|
||||
*
|
||||
* Default: 0=Data prefetching disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_DPEN_CONFIG (0) /* 0=Data prefetching disabled */
|
||||
|
||||
/* Bit 29: Instruction Prefetch Enable
|
||||
*
|
||||
* Default: 0=Instruction prefetching disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_IPEN_CONFIG (0) /* 0=Instruction prefetching disabled */
|
||||
|
||||
/* Bit 30: Early BRESP enable
|
||||
*
|
||||
* Default: 0=Early BRESP disabled
|
||||
*/
|
||||
|
||||
#define L2CC_ACR_EBRESP_CONFIG (0) /* 0=Early BRESP disabled */
|
||||
|
||||
#define L2CC_ACR_CONFIG \
|
||||
(L2CC_ACR_FLZE_CONFIG | L2CC_ACR_HPSO_CONFIG | L2CC_ACR_SBDLE_CONFIG | \
|
||||
L2CC_ACR_EXCC_CONFIG | L2CC_ACR_SAIE_CONFIG | L2CC_ACR_EMBEN_CONFIG | \
|
||||
L2CC_ACR_PEN_CONFIG | L2CC_ACR_SAOEN_CONFIG | L2CC_ACR_FWA_CONFIG | \
|
||||
L2CC_ACR_CRPOL_CONFIG | L2CC_ACR_NSLEN_CONFIG | L2CC_ACR_NSIAC_CONFIG | \
|
||||
L2CC_ACR_DPEN_CONFIG | L2CC_ACR_IPEN_CONFIG | L2CC_ACR_EBRESP_CONFIG)
|
||||
|
||||
#define L2CC_ACR_ALLCONFIGS (0x7f303c01)
|
||||
#define L2CC_ACR_CONFIGMASK (L2CC_ACR_SBZ | L2CC_ACR_ALLCONFIGS)
|
||||
|
||||
/* Filter end address */
|
||||
|
||||
#define CONFIG_PL310_FLEND (CONFIG_PL310_FLSTRT + CONFIG_PL310_FLSIZE)
|
||||
|
||||
/* Block size. Used to break up long operations so that interrupts are not
|
||||
* disabled for a long time.
|
||||
*/
|
||||
|
||||
#define PL310_GULP_SIZE 4096
|
||||
|
||||
/* Misc commoly defined and re-defined things */
|
||||
|
||||
#ifndef MIN
|
||||
# define MIN(a,b) (((a) < (b)) ? (a) : (b))
|
||||
#endif
|
||||
|
||||
#ifndef MAX
|
||||
# define MAX(a,b) (((a) > (b)) ? (a) : (b))
|
||||
#endif
|
||||
|
||||
#ifndef OK
|
||||
# define OK 0
|
||||
#endif
|
||||
|
||||
/* Data synchronization barrier */
|
||||
|
||||
#define dsb(a) __asm__ __volatile__ ("dsb " #a : : : "memory")
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: pl310_flush_all
|
||||
*
|
||||
* Description:
|
||||
* Flush all ways using the Clean Invalidate Way Register (CIWR).
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void pl310_flush_all(void)
|
||||
{
|
||||
/* Flush all ways by writing the set of ways to be cleaned to the Clean
|
||||
* Invalidate Way Register (CIWR).
|
||||
*/
|
||||
|
||||
putreg32(PL310_WAY_MASK, L2CC_CIWR);
|
||||
|
||||
/* Wait for cache operation by way to complete */
|
||||
|
||||
while ((getreg32(L2CC_CIWR) & PL310_WAY_MASK) != 0);
|
||||
|
||||
/* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*/
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: arm_l2ccinitialize
|
||||
*
|
||||
* Description:
|
||||
* One time configuration of the L2 cache. The L2 cache will be enabled
|
||||
* upon return.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None. The L2 cache configuration is controlled by configuration
|
||||
* settings.
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void arm_l2ccinitialize(void)
|
||||
{
|
||||
uint32_t regval;
|
||||
int i;
|
||||
|
||||
/* Make sure that this is a PL310 cache, version r3p2.
|
||||
*
|
||||
* REVISIT: The SAMA5D4 is supposed to report its ID as 0x410000C8 which
|
||||
* is r3p2, but the chip that I have actually* reports 0x410000C9 which
|
||||
* is some later revision.
|
||||
*/
|
||||
|
||||
/* DEBUGASSERT((getreg32(L2CC_IDR) & L2CC_IDR_REV_MASK) ==
|
||||
* L2CC_IDR_REV_R3P2);
|
||||
*/
|
||||
|
||||
/* Make sure that actual cache configuration agrees with the configured
|
||||
* cache configuration.
|
||||
*/
|
||||
|
||||
#if defined(CONFIG_ARMV7A_ASSOCIATIVITY_8WAY)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_ASS) == 0);
|
||||
#elif defined(CONFIG_ARMV7A_ASSOCIATIVITY_16WAY)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_ASS) == L2CC_ACR_ASS);
|
||||
#else
|
||||
# error No associativity selected
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_ARMV7A_WAYSIZE_16KB)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_WAYSIZE_MASK) ==
|
||||
L2CC_ACR_WAYSIZE_16KB);
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_32KB)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_WAYSIZE_MASK) ==
|
||||
L2CC_ACR_WAYSIZE_32KB);
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_64KB)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_WAYSIZE_MASK) ==
|
||||
L2CC_ACR_WAYSIZE_64KB);
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_128KB)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_WAYSIZE_MASK) ==
|
||||
L2CC_ACR_WAYSIZE_128KB);
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_256KB)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_WAYSIZE_MASK) ==
|
||||
L2CC_ACR_WAYSIZE_256KB);
|
||||
#elif defined(CONFIG_ARMV7A_WAYSIZE_512KB)
|
||||
DEBUGASSERT((getreg32(L2CC_ACR) & L2CC_ACR_WAYSIZE_MASK) ==
|
||||
L2CC_ACR_WAYSIZE_512KB);
|
||||
#else
|
||||
# error No way size selected
|
||||
#endif
|
||||
|
||||
/* L2 configuration can only be changed if the cache is disabled,
|
||||
*
|
||||
* NOTE: This register access will fail if we are not in secure more.
|
||||
*/
|
||||
|
||||
if ((getreg32(L2CC_CR) & L2CC_CR_L2CEN) == 0)
|
||||
{
|
||||
#if defined(CONFIG_PL310_TRCR_TSETLAT) && defined(CONFIG_PL310_TRCR_TRDLAT) && \
|
||||
defined(CONFIG_PL310_TRCR_TWRLAT)
|
||||
/* Configure Tag RAM control */
|
||||
|
||||
regval = ((CONFIG_PL310_TRCR_TSETLAT - 1) << L2CC_TRCR_TSETLAT_SHIFT)
|
||||
((CONFIG_PL310_TRCR_TRDLAT - 1) << L2CC_TRCR_TRDLAT_SHIFT) |
|
||||
((CONFIG_PL310_TRCR_TWRLAT - 1) << L2CC_TRCR_TWRLAT_SHIFT);
|
||||
putreg32(regval, L2CC_TRCR);
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_PL310_DRCR_DSETLAT) && defined(CONFIG_PL310_DRCR_DRDLAT) && \
|
||||
defined(CONFIG_PL310_DRCR_DWRLAT)
|
||||
/* Configure Data RAM control */
|
||||
|
||||
regval = ((CONFIG_PL310_DRCR_DSETLAT - 1) << L2CC_DRCR_DSETLAT_SHIFT) |
|
||||
((CONFIG_PL310_DRCR_DRDLAT - 1) << L2CC_DRCR_DRDLAT_SHIFT) |
|
||||
((CONFIG_PL310_DRCR_DWRLAT - 1) << L2CC_DRCR_DWRLAT_SHIFT);
|
||||
putreg32(regval, L2CC_DRCR);
|
||||
#endif
|
||||
|
||||
#ifdef PL310_ADDRESS_FILTERING
|
||||
#if defined(CONFIG_PL310_FLSTRT) && defined(CONFIG_PL310_FLSIZE)
|
||||
/* Configure the address filter */
|
||||
|
||||
regval = (CONFIG_PL310_FLEND + ~L2CC_FLEND_MASK) & L2CC_FLEND_MASK;
|
||||
putreg32(regval, L2CC_FLEND);
|
||||
|
||||
regval = (CONFIG_PL310_FLSTRT & L2CC_FLSTRT_MASK) | L2CC_FLSTRT_ENABLE;
|
||||
putreg32(regval | L2X0_ADDR_FILTER_EN, L2CC_FLSTRT);
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Make sure that the memory is not locked down */
|
||||
|
||||
for (i = 0; i < PL310_NLOCKREGS; i++)
|
||||
{
|
||||
putreg32(0, L2CC_DLKR(i));
|
||||
putreg32(0, L2CC_ILKR(i));
|
||||
}
|
||||
|
||||
/* Configure the cache properties */
|
||||
|
||||
regval = getreg32(L2CC_ACR);
|
||||
regval &= ~L2CC_ACR_CONFIGMASK;
|
||||
regval |= L2CC_ACR_CONFIG;
|
||||
putreg32(regval, L2CC_ACR);
|
||||
|
||||
/* Invalidate and enable the cache */
|
||||
|
||||
InvalidateL2CacheAll();
|
||||
putreg32(L2CC_CR_L2CEN, L2CC_CR);
|
||||
}
|
||||
|
||||
sinfo("(%d ways) * (%d bytes/way) = %d bytes\n",
|
||||
PL310_NWAYS, PL310_WAYSIZE, PL310_CACHE_SIZE);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_enable
|
||||
*
|
||||
* Description:
|
||||
* Re-enable the L2CC-P310 L2 cache by setting the enable bit in the
|
||||
* Control Register (CR)
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void EnableL2Cache(void)
|
||||
{
|
||||
/* Invalidate and enable the cache (must be disabled to do this!) */
|
||||
InvalidateL2CacheAll();
|
||||
putreg32(L2CC_CR_L2CEN, L2CC_CR);
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_disable
|
||||
*
|
||||
* Description:
|
||||
* Disable the L2CC-P310 L2 cache by clearing the Control Register (CR)
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void DisableL2Cache(void)
|
||||
{
|
||||
|
||||
pl310_flush_all();
|
||||
|
||||
/* Disable the L2CC-P310 L2 cache by clearing the Control Register (CR) */
|
||||
|
||||
putreg32(0, L2CC_CR);
|
||||
dsb();
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_sync
|
||||
*
|
||||
* Description:
|
||||
* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void SyncL2Cache(void)
|
||||
{
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_invalidate_all
|
||||
*
|
||||
* Description:
|
||||
* Invalidate all ways using the Invalidate Way Register (IWR).
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void InvalidateL2CacheAll(void)
|
||||
{
|
||||
|
||||
uint32_t regval;
|
||||
|
||||
/* Invalidate all ways */
|
||||
|
||||
|
||||
/* Disable the L2 cache while we invalidate it */
|
||||
|
||||
regval = getreg32(L2CC_CR);
|
||||
DisableL2Cache();
|
||||
|
||||
/* Invalidate all ways by writing the bit mask of ways to be invalidated
|
||||
* the Invalidate Way Register (IWR).
|
||||
*/
|
||||
|
||||
putreg32(PL310_WAY_MASK, L2CC_IWR);
|
||||
|
||||
/* Wait for cache operation by way to complete */
|
||||
|
||||
while ((getreg32(L2CC_IWR) & PL310_WAY_MASK) != 0);
|
||||
|
||||
/* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*/
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
|
||||
/* Then re-enable the L2 cache if it was enabled before */
|
||||
|
||||
putreg32(regval, L2CC_CR);
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_invalidate
|
||||
*
|
||||
* Description:
|
||||
* Invalidate a range of addresses by writing to the Invalidate Physical
|
||||
* Address Line Register (IPALR) repeatedly.
|
||||
*
|
||||
* Input Parameters:
|
||||
* startaddr - The first address to be invalidated
|
||||
* endaddr - The last address to be invalidated
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void InvalidateL2Cache(uintptr_t startaddr, uintptr_t endaddr)
|
||||
{
|
||||
uintptr_t invalsize;
|
||||
uintptr_t gulpend;
|
||||
|
||||
|
||||
/* Check if the start address is aligned with a cacheline */
|
||||
|
||||
|
||||
if ((startaddr & PL310_CACHE_LINE_MASK) != 0)
|
||||
{
|
||||
/* No.. align down and flush the cache line by writing the address to
|
||||
* the Clean Invalidate Physical Address Line Register (CIPALR).
|
||||
*/
|
||||
|
||||
startaddr &= ~PL310_CACHE_LINE_MASK;
|
||||
putreg32(startaddr, L2CC_CIPALR);
|
||||
|
||||
/* Then start invalidating at the next cache line */
|
||||
|
||||
startaddr += PL310_CACHE_LINE_SIZE;
|
||||
}
|
||||
|
||||
/* Check if the end address is aligned with a cache line */
|
||||
|
||||
if ((endaddr & PL310_CACHE_LINE_MASK) != 0)
|
||||
{
|
||||
/* No.. align down and flush cache line by writing the address to
|
||||
* the Clean Invalidate Physical Address Line Register (CIPALR).
|
||||
*/
|
||||
|
||||
endaddr &= ~PL310_CACHE_LINE_MASK;
|
||||
putreg32(endaddr, L2CC_CIPALR);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* Loop, invalidated the address range by cache line. Interrupts are re-
|
||||
* enabled momentarily every PL310_GULP_SIZE bytes.
|
||||
*/
|
||||
|
||||
while (startaddr < endaddr)
|
||||
{
|
||||
/* Get the size of the next gulp of cache lines to invalidate. We do
|
||||
* this in small chunks so that we do not have to keep interrupts
|
||||
* disabled throughout the whole flush.
|
||||
*/
|
||||
|
||||
invalsize = endaddr - startaddr;
|
||||
gulpend = startaddr + MIN(invalsize, PL310_GULP_SIZE);
|
||||
|
||||
/* Disable interrupts and invalidate the gulp */
|
||||
|
||||
|
||||
while (startaddr < gulpend)
|
||||
{
|
||||
/* Invalidate the cache line by writing the address to the
|
||||
* Invalidate Physical Address Line Register (IPALR).
|
||||
*/
|
||||
|
||||
putreg32(startaddr, L2CC_IPALR);
|
||||
|
||||
/* Start of the next cache line */
|
||||
|
||||
startaddr += PL310_CACHE_LINE_SIZE;
|
||||
}
|
||||
|
||||
/* Enable interrupts momentarily */
|
||||
|
||||
|
||||
}
|
||||
|
||||
/* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*/
|
||||
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_clean_all
|
||||
*
|
||||
* Description:
|
||||
* Clean all ways by using the Clean Ways Register (CWR).
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void CleanL2CacheAll(void)
|
||||
{
|
||||
|
||||
|
||||
|
||||
putreg32(PL310_WAY_MASK, L2CC_CWR);
|
||||
|
||||
/* Wait for cache operation by way to complete */
|
||||
|
||||
while ((getreg32(L2CC_CWR) & PL310_WAY_MASK) != 0);
|
||||
|
||||
/* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*/
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_clean
|
||||
*
|
||||
* Description:
|
||||
* Clean the cache line over a range of addresses uing the Clean Physical
|
||||
* Address Line Register (CPALR) repeatedly.
|
||||
*
|
||||
* Input Parameters:
|
||||
* startaddr - The first address to be cleaned
|
||||
* endaddr - The last address to be cleaned
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void CleanL2Cache(uintptr_t startaddr, uintptr_t endaddr)
|
||||
{
|
||||
uintptr_t cleansize;
|
||||
uintptr_t gulpend;
|
||||
|
||||
|
||||
/* If the range of addresses to clean is as large or larger the L2 cache,
|
||||
* then just clean the whole thing.
|
||||
*/
|
||||
|
||||
cleansize = endaddr - startaddr;
|
||||
if (cleansize >= PL310_CACHE_SIZE)
|
||||
{
|
||||
CleanL2CacheAll();
|
||||
return;
|
||||
}
|
||||
|
||||
/* Align the starting address to a cache line boundary */
|
||||
|
||||
startaddr &= ~PL310_CACHE_LINE_MASK;
|
||||
|
||||
/* Clean the L2 cache by cache line, enabling interrupts momentarily
|
||||
* every PL310_GULP_SIZE bytes.
|
||||
*/
|
||||
|
||||
while (startaddr < endaddr)
|
||||
{
|
||||
/* Get the size of the next gulp of cache lines to flush. We do
|
||||
* this in small chunks so that we do not have to keep interrupts
|
||||
* disabled throughout the whole flush.
|
||||
*/
|
||||
|
||||
cleansize = endaddr - startaddr;
|
||||
gulpend = startaddr + MIN(cleansize, PL310_GULP_SIZE);
|
||||
|
||||
/* Disable interrupts and clean the gulp */
|
||||
|
||||
|
||||
while (startaddr < gulpend)
|
||||
{
|
||||
/* Clean the cache line by writing the address to the Clean
|
||||
* Physical Address Line Register (CPALR).
|
||||
*/
|
||||
|
||||
putreg32(startaddr, L2CC_CPALR);
|
||||
|
||||
/* Start of the next cache line */
|
||||
|
||||
startaddr += PL310_CACHE_LINE_SIZE;
|
||||
}
|
||||
|
||||
/* Enable interrupts momentarily */
|
||||
|
||||
|
||||
}
|
||||
|
||||
/* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*/
|
||||
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_flush_all
|
||||
*
|
||||
* Description:
|
||||
* Flush all ways using the Clean Invalidate Way Register (CIWR).
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void FlushL2CacheAll(void)
|
||||
{
|
||||
|
||||
|
||||
/* Flush all ways using the Clean Invalidate Way Register (CIWR). */
|
||||
|
||||
|
||||
pl310_flush_all();
|
||||
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: l2cc_flush
|
||||
*
|
||||
* Description:
|
||||
* Flush a range of address by using the Clean Invalidate Physical Address
|
||||
* Line Register (CIPALR) repeatedly.
|
||||
*
|
||||
* Input Parameters:
|
||||
* startaddr - The first address to be flushed
|
||||
* endaddr - The last address to be flushed
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void FlushL2Cache(uint32_t startaddr, uint32_t endaddr)
|
||||
{
|
||||
uintptr_t flushsize;
|
||||
uintptr_t gulpend;
|
||||
|
||||
|
||||
/* If the range of addresses to flush is as large or larger the L2 cache,
|
||||
* then just flush the whole thing.
|
||||
*/
|
||||
|
||||
flushsize = endaddr - startaddr;
|
||||
if (flushsize >= PL310_CACHE_SIZE)
|
||||
{
|
||||
l2cc_flush_all();
|
||||
return;
|
||||
}
|
||||
|
||||
/* Align the starting address to a cache line boundary */
|
||||
|
||||
startaddr &= ~PL310_CACHE_LINE_MASK;
|
||||
|
||||
/* Flush the L2 cache by cache line, enabling interrupts momentarily
|
||||
* every PL310_GULP_SIZE bytes.
|
||||
*/
|
||||
|
||||
while (startaddr < endaddr)
|
||||
{
|
||||
/* Get the size of the next gulp of cache lines to flush. We do
|
||||
* this in small chunks so that we do not have to keep interrupts
|
||||
* disabled throughout the whole flush.
|
||||
*/
|
||||
|
||||
flushsize = endaddr - startaddr;
|
||||
gulpend = startaddr + MIN(flushsize, PL310_GULP_SIZE);
|
||||
|
||||
/* Disable interrupts and flush the gulp */
|
||||
|
||||
|
||||
while (startaddr < gulpend)
|
||||
{
|
||||
/* Flush the cache line by writing the address to the Clean
|
||||
* Invalidate Physical Address Line Register (CIPALR).
|
||||
*/
|
||||
|
||||
putreg32(startaddr, L2CC_CIPALR);
|
||||
|
||||
/* Start of the next cache line */
|
||||
|
||||
startaddr += PL310_CACHE_LINE_SIZE;
|
||||
}
|
||||
|
||||
/* Enable interrupts momentarily */
|
||||
|
||||
|
||||
}
|
||||
|
||||
/* Drain the STB. Operation complete when all buffers, LRB, LFB, STB, and
|
||||
* EB, are empty.
|
||||
*/
|
||||
|
||||
|
||||
putreg32(0, L2CC_CSR);
|
||||
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,483 @@
|
|||
/****************************************************************************
|
||||
* arch/arm/src/armv7-a/l2cc_pl310.h
|
||||
*
|
||||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||
* contributor license agreements. See the NOTICE file distributed with
|
||||
* this work for additional information regarding copyright ownership. The
|
||||
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations
|
||||
* under the License.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/* Reference: "CoreLink<6E> Level 2 Cache Controller L2C-310", Revision r3p2,
|
||||
* Technical Reference Manual, ARM DDI 0246F (ID011711), ARM
|
||||
*/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_ARMV7_A_L2CC_PL310_H
|
||||
#define __ARCH_ARM_SRC_ARMV7_A_L2CC_PL310_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* General Definitions ******************************************************/
|
||||
|
||||
#define PL310_CACHE_LINE_SIZE 32
|
||||
|
||||
#ifdef CONFIG_PL310_LOCKDOWN_BY_MASTER
|
||||
# define PL310_NLOCKREGS 8
|
||||
#else
|
||||
# define PL310_NLOCKREGS 1
|
||||
#endif
|
||||
|
||||
/* L2CC Register Offsets ****************************************************/
|
||||
#define IMX_ARMMP_PSECTION 0x00a00000 /* 00a00000-00afffff 8 KB ARM MP */
|
||||
# define IMX_ARMMP_VSECTION IMX_ARMMP_PSECTION /* 8 KB ARM MP */
|
||||
#define IMX_PL310_OFFSET 0x00002000 /* 00002000-00002fff 4 KB PL310 (L2 Cache controller) */
|
||||
#define IMX_PL310_VBASE (IMX_ARMMP_VSECTION+IMX_PL310_OFFSET)
|
||||
#define L2CC_VBASE IMX_PL310_VBASE
|
||||
|
||||
|
||||
#define L2CC_IDR_OFFSET 0x0000 /* Cache ID Register */
|
||||
#define L2CC_TYPR_OFFSET 0x0004 /* Cache Type Register */
|
||||
#define L2CC_CR_OFFSET 0x0100 /* Control Register */
|
||||
#define L2CC_ACR_OFFSET 0x0104 /* Auxiliary Control Register */
|
||||
#define L2CC_TRCR_OFFSET 0x0108 /* Tag RAM Control Register */
|
||||
#define L2CC_DRCR_OFFSET 0x010c /* Data RAM Control Register */
|
||||
/* 0x0110-0x01fc Reserved */
|
||||
#define L2CC_ECR_OFFSET 0x0200 /* Event Counter Control Register */
|
||||
#define L2CC_ECFGR1_OFFSET 0x0204 /* Event Counter 1 Configuration Register */
|
||||
#define L2CC_ECFGR0_OFFSET 0x0208 /* Event Counter 0 Configuration Register */
|
||||
#define L2CC_EVR1_OFFSET 0x020c /* Event Counter 1 Value Register */
|
||||
#define L2CC_EVR0_OFFSET 0x0210 /* Event Counter 0 Value Register */
|
||||
#define L2CC_IMR_OFFSET 0x0214 /* Interrupt Mask Register */
|
||||
#define L2CC_MISR_OFFSET 0x0218 /* Masked Interrupt Status Register */
|
||||
#define L2CC_RISR_OFFSET 0x021c /* Raw Interrupt Status Register */
|
||||
#define L2CC_ICR_OFFSET 0x0220 /* Interrupt Clear Register */
|
||||
/* 0x0224-0x072c Reserved */
|
||||
#define L2CC_CSR_OFFSET 0x0730 /* Cache Synchronization Register */
|
||||
/* 0x0734-0x076c Reserved */
|
||||
#define L2CC_IPALR_OFFSET 0x0770 /* Invalidate Physical Address Line Register */
|
||||
/* 0x0774-0x0778 Reserved */
|
||||
#define L2CC_IWR_OFFSET 0x077c /* Invalidate Way Register */
|
||||
/* 0x0780-0x07af Reserved */
|
||||
#define L2CC_CPALR_OFFSET 0x07b0 /* Clean Physical Address Line Register */
|
||||
/* 0x07b4 Reserved */
|
||||
#define L2CC_CIR_OFFSET 0x07b8 /* Clean Index Register */
|
||||
#define L2CC_CWR_OFFSET 0x07bc /* Clean Way Register */
|
||||
/* 0x07c0-0x07ec Reserved */
|
||||
#define L2CC_CIPALR_OFFSET 0x07f0 /* Clean Invalidate Physical Address Line Register */
|
||||
/* 0x07f4 Reserved */
|
||||
#define L2CC_CIIR_OFFSET 0x07f8 /* Clean Invalidate Index Register */
|
||||
#define L2CC_CIWR_OFFSET 0x07fc /* Clean Invalidate Way Register */
|
||||
/* 0x0800-0x08fc Reserved */
|
||||
|
||||
/* Data and Instruction Lockdown registers where n=0-7.
|
||||
* The registers for n > 0 are implemented if the option
|
||||
* pl310_LOCKDOWN_BY_MASTER is enabled.
|
||||
* Otherwise, they are unused
|
||||
*/
|
||||
|
||||
#define L2CC_DLKR_OFFSET(n) (0x0900 + ((n) << 3)) /* Data Lockdown Register */
|
||||
#define L2CC_ILKR_OFFSET(n) (0x0904 + ((n) << 3)) /* Instruction Lockdown Register */
|
||||
/* 0x0940-0x0f4c Reserved */
|
||||
#ifdef CONFIG_PL310_LOCKDOWN_BY_LINE
|
||||
# define L2CC_LKLN_OFFSET 0x0950 /* Lock Line Enable Register */
|
||||
# define L2CC_UNLKW_OFFSET 0x0954 /* Unlock Way Register */
|
||||
#endif
|
||||
/* 0x0958-0x0bfc Reserved */
|
||||
#define L2CC_FLSTRT_OFFSET 0x0c00 /* Address filter start */
|
||||
#define L2CC_FLEND_OFFSET 0x0c04 /* Address filter end */
|
||||
/* 0x0c08-0x0f3c Reserved */
|
||||
#define L2CC_DCR_OFFSET 0x0f40 /* Debug Control Register */
|
||||
/* 0x0f44-0x0f5c Reserved */
|
||||
#define L2CC_PCR_OFFSET 0x0f60 /* Prefetch Control Register */
|
||||
/* 0x0f64-0x0f7c Reserved */
|
||||
#define L2CC_POWCR_OFFSET 0x0f80 /* Power Control Register */
|
||||
|
||||
/* L2CC Register Addresses **************************************************/
|
||||
|
||||
#define L2CC_IDR (L2CC_VBASE+L2CC_IDR_OFFSET)
|
||||
#define L2CC_TYPR (L2CC_VBASE+L2CC_TYPR_OFFSET)
|
||||
#define L2CC_CR (L2CC_VBASE+L2CC_CR_OFFSET)
|
||||
#define L2CC_ACR (L2CC_VBASE+L2CC_ACR_OFFSET)
|
||||
#define L2CC_TRCR (L2CC_VBASE+L2CC_TRCR_OFFSET)
|
||||
#define L2CC_DRCR (L2CC_VBASE+L2CC_DRCR_OFFSET)
|
||||
#define L2CC_ECR (L2CC_VBASE+L2CC_ECR_OFFSET)
|
||||
#define L2CC_ECFGR1 (L2CC_VBASE+L2CC_ECFGR1_OFFSET)
|
||||
#define L2CC_ECFGR0 (L2CC_VBASE+L2CC_ECFGR0_OFFSET)
|
||||
#define L2CC_EVR1 (L2CC_VBASE+L2CC_EVR1_OFFSET)
|
||||
#define L2CC_EVR0 (L2CC_VBASE+L2CC_EVR0_OFFSET)
|
||||
#define L2CC_IMR (L2CC_VBASE+L2CC_IMR_OFFSET)
|
||||
#define L2CC_MISR (L2CC_VBASE+L2CC_MISR_OFFSET)
|
||||
#define L2CC_RISR (L2CC_VBASE+L2CC_RISR_OFFSET)
|
||||
#define L2CC_ICR (L2CC_VBASE+L2CC_ICR_OFFSET)
|
||||
#define L2CC_CSR (L2CC_VBASE+L2CC_CSR_OFFSET)
|
||||
#define L2CC_IPALR (L2CC_VBASE+L2CC_IPALR_OFFSET)
|
||||
#define L2CC_IWR (L2CC_VBASE+L2CC_IWR_OFFSET)
|
||||
#define L2CC_CPALR (L2CC_VBASE+L2CC_CPALR_OFFSET)
|
||||
#define L2CC_CIR (L2CC_VBASE+L2CC_CIR_OFFSET)
|
||||
#define L2CC_CWR (L2CC_VBASE+L2CC_CWR_OFFSET)
|
||||
#define L2CC_CIPALR (L2CC_VBASE+L2CC_CIPALR_OFFSET)
|
||||
#define L2CC_CIIR (L2CC_VBASE+L2CC_CIIR_OFFSET)
|
||||
#define L2CC_CIWR (L2CC_VBASE+L2CC_CIWR_OFFSET)
|
||||
#define L2CC_DLKR(n) (L2CC_VBASE+L2CC_DLKR_OFFSET(n))
|
||||
#define L2CC_ILKR(n) (L2CC_VBASE+L2CC_ILKR_OFFSET(n))
|
||||
|
||||
#ifdef CONFIG_PL310_LOCKDOWN_BY_LINE
|
||||
# define L2CC_LKLN (L2CC_VBASE+L2CC_LKLN_OFFSET)
|
||||
# define L2CC_UNLKW (L2CC_VBASE+L2CC_UNLKW_OFFSET)
|
||||
#endif
|
||||
|
||||
#define L2CC_FLSTRT (L2CC_VBASE+L2CC_FLSTRT_OFFSET)
|
||||
#define L2CC_FLEND (L2CC_VBASE+L2CC_FLEND_OFFSET)
|
||||
#define L2CC_DCR (L2CC_VBASE+L2CC_DCR_OFFSET)
|
||||
#define L2CC_PCR (L2CC_VBASE+L2CC_PCR_OFFSET)
|
||||
#define L2CC_POWCR (L2CC_VBASE+L2CC_POWCR_OFFSET)
|
||||
|
||||
/* L2CC Register Bit Definitions ********************************************/
|
||||
|
||||
/* Cache ID Register (32-bit ID) */
|
||||
|
||||
#define L2CC_IDR_REV_MASK 0x0000003f
|
||||
#define L2CC_IDR_REV_R0P0 0x00000000
|
||||
#define L2CC_IDR_REV_R1P0 0x00000002
|
||||
#define L2CC_IDR_REV_R2P0 0x00000004
|
||||
#define L2CC_IDR_REV_R3P0 0x00000005
|
||||
#define L2CC_IDR_REV_R3P1 0x00000006
|
||||
#define L2CC_IDR_REV_R3P2 0x00000008
|
||||
|
||||
/* Cache Type Register */
|
||||
|
||||
#define L2CC_TYPR_IL2ASS (1 << 6) /* Bit 6: Instruction L2 Cache Associativity */
|
||||
#define L2CC_TYPR_IL2WSIZE_SHIFT (8) /* Bits 8-10: Instruction L2 Cache Way Size */
|
||||
#define L2CC_TYPR_IL2WSIZE_MASK (7 << L2CC_TYPR_IL2WSIZE_SHIFT)
|
||||
#define L2CC_TYPR_IL2WSIZE(n) ((uint32_t)(n) << L2CC_TYPR_IL2WSIZE_SHIFT)
|
||||
#define L2CC_TYPR_DL2ASS (1 << 18) /* Bit 18: Data L2 Cache Associativity */
|
||||
#define L2CC_TYPR_DL2WSIZE_SHIFT (20) /* Bits 20-22: Data L2 Cache Way Size */
|
||||
#define L2CC_TYPR_DL2WSIZE_MASK (7 << L2CC_TYPR_DL2WSIZE_SHIFT)
|
||||
#define L2CC_TYPR_DL2WSIZE(n) ((uint32_t)(n) << L2CC_TYPR_DL2WSIZE_SHIFT)
|
||||
|
||||
/* Control Register */
|
||||
|
||||
#define L2CC_CR_L2CEN (1 << 0) /* Bit 0: L2 Cache Enable */
|
||||
|
||||
/* Auxiliary Control Register */
|
||||
|
||||
#define L2CC_ACR_FLZE (1 << 0) /* Bit 0: Full line zero enable */
|
||||
#define L2CC_ACR_HPSO (1 << 10) /* Bit 10: High Priority for SO and Dev Reads Enable */
|
||||
#define L2CC_ACR_SBDLE (1 << 11) /* Bit 11: Store Buffer Device Limitation Enable */
|
||||
#define L2CC_ACR_EXCC (1 << 12) /* Bit 12: Exclusive Cache Configuration */
|
||||
#define L2CC_ACR_SAIE (1 << 13) /* Bit 13: Shared Attribute Invalidate Enable */
|
||||
#define L2CC_ACR_ASS (1 << 16) /* Bit 16: Associativity */
|
||||
#define L2CC_ACR_WAYSIZE_SHIFT (17) /* Bits 17-19: Way Size */
|
||||
#define L2CC_ACR_WAYSIZE_MASK (7 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_WAYSIZE_16KB (1 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_WAYSIZE_32KB (2 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_WAYSIZE_64KB (3 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_WAYSIZE_128KB (4 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_WAYSIZE_256KB (5 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_WAYSIZE_512KB (6 << L2CC_ACR_WAYSIZE_SHIFT)
|
||||
#define L2CC_ACR_EMBEN (1 << 20) /* Bit 20: Event Monitor Bus Enable */
|
||||
#define L2CC_ACR_PEN (1 << 21) /* Bit 21: Parity Enable */
|
||||
#define L2CC_ACR_SAOEN (1 << 22) /* Bit 22: Shared Attribute Override Enable */
|
||||
#define L2CC_ACR_FWA_SHIFT (23) /* Bits 23-24: Force Write Allocate */
|
||||
#define L2CC_ACR_FWA_MASK (3 << L2CC_ACR_FWA_SHIFT)
|
||||
#define L2CC_ACR_FWA_AWCACHE (0 << L2CC_ACR_FWA_SHIFT) /* Use AWCACHE attributes for WA */
|
||||
#define L2CC_ACR_FWA_NOALLOC (1 << L2CC_ACR_FWA_SHIFT) /* No allocate */
|
||||
#define L2CC_ACR_FWA_OVERRIDE (2 << L2CC_ACR_FWA_SHIFT) /* Override AWCACHE attributes */
|
||||
#define L2CC_ACR_FWA_MAPPED (3 << L2CC_ACR_FWA_SHIFT) /* Internally mapped to 00 */
|
||||
|
||||
#define L2CC_ACR_CRPOL (1 << 25) /* Bit 25: Cache Replacement Policy */
|
||||
#define L2CC_ACR_NSLEN (1 << 26) /* Bit 26: Non-Secure Lockdown Enable */
|
||||
#define L2CC_ACR_NSIAC (1 << 27) /* Bit 27: Non-Secure Interrupt Access Control */
|
||||
#define L2CC_ACR_DPEN (1 << 28) /* Bit 28: Data Prefetch Enable */
|
||||
#define L2CC_ACR_IPEN (1 << 29) /* Bit 29: Instruction Prefetch Enable */
|
||||
#define L2CC_ACR_EBRESP (1 << 30) /* Bit 30: Early BRESP enable */
|
||||
|
||||
#define L2CC_ACR_SBZ (0x8000c1fe)
|
||||
|
||||
/* Tag RAM Control Register */
|
||||
|
||||
#define L2CC_TRCR_TSETLAT_SHIFT (0) /* Bits 0-2: Setup Latency */
|
||||
#define L2CC_TRCR_TSETLAT_MASK (7 << L2CC_TRCR_TSETLAT_SHIFT)
|
||||
#define L2CC_TRCR_TSETLAT(n) ((uint32_t)(n) << L2CC_TRCR_TSETLAT_SHIFT)
|
||||
#define L2CC_TRCR_TRDLAT_SHIFT (4) /* Bits 4-6: Read Access Latency */
|
||||
#define L2CC_TRCR_TRDLAT_MASK (7 << L2CC_TRCR_TRDLAT_SHIFT)
|
||||
#define L2CC_TRCR_TRDLAT(n) ((uint32_t)(n) << L2CC_TRCR_TRDLAT_SHIFT)
|
||||
#define L2CC_TRCR_TWRLAT_SHIFT (8) /* Bits 8-10: Write Access Latency */
|
||||
#define L2CC_TRCR_TWRLAT_MASK (7 << L2CC_TRCR_TWRLAT_SHIFT)
|
||||
#define L2CC_TRCR_TWRLAT(n) ((uint32_t)(n) << L2CC_TRCR_TWRLAT_SHIFT)
|
||||
|
||||
/* Data RAM Control Register */
|
||||
|
||||
#define L2CC_DRCR_DSETLAT_SHIFT (0) /* Bits 0-2: Setup Latency */
|
||||
#define L2CC_DRCR_DSETLAT_MASK (7 << L2CC_DRCR_DSETLAT_SHIFT)
|
||||
#define L2CC_DRCR_DSETLAT(n) ((uint32_t)(n) << L2CC_DRCR_DSETLAT_SHIFT)
|
||||
#define L2CC_DRCR_DRDLAT_SHIFT (4) /* Bits 4-6: Read Access Latency */
|
||||
#define L2CC_DRCR_DRDLAT_MASK (7 << L2CC_DRCR_DRDLAT_SHIFT)
|
||||
#define L2CC_DRCR_DRDLAT(n) ((uint32_t)(n) << L2CC_DRCR_DRDLAT_SHIFT)
|
||||
#define L2CC_DRCR_DWRLAT_SHIFT (8) /* Bits 8-10: Write Access Latency */
|
||||
#define L2CC_DRCR_DWRLAT_MASK (7 << L2CC_DRCR_DWRLAT_SHIFT)
|
||||
#define L2CC_DRCR_DWRLAT(n) ((uint32_t)(n) << L2CC_DRCR_DWRLAT_SHIFT)
|
||||
|
||||
/* Event Counter Control Register */
|
||||
|
||||
#define L2CC_ECR_EVCEN (1 << 0) /* Bit 0: Event Counter Enable */
|
||||
#define L2CC_ECR_EVC0RST (1 << 1) /* Bit 1: Event Counter 0 Reset */
|
||||
#define L2CC_ECR_EVC1RST (1 << 2) /* Bit 2: Event Counter 1 Reset */
|
||||
|
||||
/* Event Counter 1 Configuration Register */
|
||||
|
||||
#define L2CC_ECFGR1_EIGEN_SHIFT (0) /* Bits 0-1: Event Counter Interrupt Generation */
|
||||
#define L2CC_ECFGR1_EIGEN_MASK (3 << L2CC_ECFGR1_EIGEN_SHIFT)
|
||||
#define L2CC_ECFGR1_EIGEN_INTDIS (0 << L2CC_ECFGR1_EIGEN_SHIFT) /* Disables (default) */
|
||||
#define L2CC_ECFGR1_EIGEN_INTENINCR (1 << L2CC_ECFGR1_EIGEN_SHIFT) /* Enables with Increment condition */
|
||||
#define L2CC_ECFGR1_EIGEN_INTENOVER (2 << L2CC_ECFGR1_EIGEN_SHIFT) /* Enables with Overflow condition */
|
||||
#define L2CC_ECFGR1_EIGEN_INTGENDIS (3 << L2CC_ECFGR1_EIGEN_SHIFT) /* Disables Interrupt generation */
|
||||
#define L2CC_ECFGR1_ESRC_SHIFT (2) /* Bits 2-5: Event Counter Source */
|
||||
#define L2CC_ECFGR1_ESRC_MASK (15 << L2CC_ECFGR1_ESRC_SHIFT)
|
||||
#define L2CC_ECFGR1_ESRC_CNTDIS (0 << L2CC_ECFGR1_ESRC_SHIFT) /* Counter Disabled */
|
||||
#define L2CC_ECFGR1_ESRC_CO (1 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is CO */
|
||||
#define L2CC_ECFGR1_ESRC_DRHIT (2 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is DRHIT */
|
||||
#define L2CC_ECFGR1_ESRC_DRREQ (3 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is DRREQ */
|
||||
#define L2CC_ECFGR1_ESRC_DWHIT (4 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is DWHIT */
|
||||
#define L2CC_ECFGR1_ESRC_DWREQ (5 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is DWREQ */
|
||||
#define L2CC_ECFGR1_ESRC_DWTREQ (6 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is DWTREQ */
|
||||
#define L2CC_ECFGR1_ESRC_IRHIT (7 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is IRHIT */
|
||||
#define L2CC_ECFGR1_ESRC_IRREQ (8 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is IRREQ */
|
||||
#define L2CC_ECFGR1_ESRC_WA (9 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is WA */
|
||||
#define L2CC_ECFGR1_ESRC_IPFALLOC (10 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is IPFALLOC */
|
||||
#define L2CC_ECFGR1_ESRC_EPFHIT (11 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is EPFHIT */
|
||||
#define L2CC_ECFGR1_ESRC_EPFALLOC (12 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is EPFALLOC */
|
||||
#define L2CC_ECFGR1_ESRC_SRRCVD (13 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is SRRCVD */
|
||||
#define L2CC_ECFGR1_ESRC_SRCONF (14 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is SRCONF */
|
||||
#define L2CC_ECFGR1_ESRC_EPFRCVD (15 << L2CC_ECFGR1_ESRC_SHIFT) /* Source is EPFRCVD */
|
||||
|
||||
/* Event Counter 0 Configuration Register */
|
||||
|
||||
#define L2CC_ECFGR0_EIGEN_SHIFT (0) /* Bits 0-1: Event Counter Interrupt Generation */
|
||||
#define L2CC_ECFGR0_EIGEN_MASK (3 << L2CC_ECFGR0_EIGEN_SHIFT)
|
||||
#define L2CC_ECFGR0_EIGEN_INTDIS (0 << L2CC_ECFGR0_EIGEN_SHIFT) /* Disables (default) */
|
||||
#define L2CC_ECFGR0_EIGEN_INTENINCR (1 << L2CC_ECFGR0_EIGEN_SHIFT) /* Enables with Increment condition */
|
||||
#define L2CC_ECFGR0_EIGEN_INTENOVER (2 << L2CC_ECFGR0_EIGEN_SHIFT) /* Enables with Overflow condition */
|
||||
#define L2CC_ECFGR0_EIGEN_INTGENDIS (3 << L2CC_ECFGR0_EIGEN_SHIFT) /* Disables Interrupt generation */
|
||||
#define L2CC_ECFGR0_ESRC_SHIFT (2) /* Bits 2-5: Event Counter Source */
|
||||
#define L2CC_ECFGR0_ESRC_MASK (15 << L2CC_ECFGR0_ESRC_SHIFT)
|
||||
#define L2CC_ECFGR0_ESRC_CNTDIS (0 << L2CC_ECFGR0_ESRC_SHIFT) /* Counter Disabled */
|
||||
#define L2CC_ECFGR0_ESRC_CO (1 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is CO */
|
||||
#define L2CC_ECFGR0_ESRC_DRHIT (2 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is DRHIT */
|
||||
#define L2CC_ECFGR0_ESRC_DRREQ (3 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is DRREQ */
|
||||
#define L2CC_ECFGR0_ESRC_DWHIT (4 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is DWHIT */
|
||||
#define L2CC_ECFGR0_ESRC_DWREQ (5 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is DWREQ */
|
||||
#define L2CC_ECFGR0_ESRC_DWTREQ (6 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is DWTREQ */
|
||||
#define L2CC_ECFGR0_ESRC_IRHIT (7 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is IRHIT */
|
||||
#define L2CC_ECFGR0_ESRC_IRREQ (8 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is IRREQ */
|
||||
#define L2CC_ECFGR0_ESRC_WA (9 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is WA */
|
||||
#define L2CC_ECFGR0_ESRC_IPFALLOC (10 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is IPFALLOC */
|
||||
#define L2CC_ECFGR0_ESRC_EPFHIT (11 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is EPFHIT */
|
||||
#define L2CC_ECFGR0_ESRC_EPFALLOC (12 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is EPFALLOC */
|
||||
#define L2CC_ECFGR0_ESRC_SRRCVD (13 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is SRRCVD */
|
||||
#define L2CC_ECFGR0_ESRC_SRCONF (14 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is SRCONF */
|
||||
#define L2CC_ECFGR0_ESRC_EPFRCVD (15 << L2CC_ECFGR0_ESRC_SHIFT) /* Source is EPFRCVD */
|
||||
|
||||
/* Event Counter 1 Value Register (32-bit value) */
|
||||
|
||||
/* Event Counter 0 Value Register (32-bit value) */
|
||||
|
||||
/* Interrupt Mask Register, Masked Interrupt Status Register,
|
||||
* Raw Interrupt Status Register, and Interrupt Clear Register.
|
||||
*/
|
||||
|
||||
#define L2CC_INT_ECNTR (1 << 0) /* Bit 0: Event Counter 1/0 Overflow Increment */
|
||||
#define L2CC_INT_PARRT (1 << 1) /* Bit 1: Parity Error on L2 Tag RAM, Read */
|
||||
#define L2CC_INT_PARRD (1 << 2) /* Bit 2: Parity Error on L2 Data RAM, Read */
|
||||
#define L2CC_INT_ERRWT (1 << 3) /* Bit 3: Error on L2 Tag RAM, Write */
|
||||
#define L2CC_INT_ERRWD (1 << 4) /* Bit 4: Error on L2 Data RAM, Write */
|
||||
#define L2CC_INT_ERRRT (1 << 5) /* Bit 5: Error on L2 Tag RAM, Read */
|
||||
#define L2CC_INT_ERRRD (1 << 6) /* Bit 6: Error on L2 Data RAM, Read */
|
||||
#define L2CC_INT_SLVERR (1 << 7) /* Bit 7: SLVERR from L3 Memory */
|
||||
#define L2CC_INT_DECERR (1 << 8) /* Bit 8: DECERR from L3 Memory */
|
||||
|
||||
/* Cache Synchronization Register */
|
||||
|
||||
#define L2CC_CSR_C (1 << 0) /* Bit 0: Cache Synchronization Status */
|
||||
|
||||
/* Invalidate Physical Address Line Register */
|
||||
|
||||
#define L2CC_IPALR_C (1 << 0) /* Bit 0: Cache Synchronization Status */
|
||||
#define L2CC_IPALR_IDX_SHIFT (5) /* Bits 5-13: Index Number */
|
||||
#define L2CC_IPALR_IDX_MASK (0x1ff << L2CC_IPALR_IDX_SHIFT)
|
||||
#define L2CC_IPALR_IDX(n) ((uint32_t)(n) << L2CC_IPALR_IDX_SHIFT)
|
||||
#define L2CC_IPALR_TAG_SHIFT (14) /* Bits 14-31: Tag Number */
|
||||
#define L2CC_IPALR_TAG_MASK (0x3ffff << L2CC_IPALR_TAG_SHIFT)
|
||||
#define L2CC_IPALR_TAG(n) ((uint32_t)(n) << L2CC_IPALR_TAG_SHIFT)
|
||||
|
||||
/* Invalidate Way Register */
|
||||
|
||||
#define L2CC_IWR_WAY(n) (1 << (n)) /* Bist 0-7: Invalidate Way Number n, n=0..7 */
|
||||
#define L2CC_IWR_WAY0 (1 << 0) /* Bit 0: Invalidate Way Number 0 */
|
||||
#define L2CC_IWR_WAY1 (1 << 1) /* Bit 1: Invalidate Way Number 1 */
|
||||
#define L2CC_IWR_WAY2 (1 << 2) /* Bit 2: Invalidate Way Number 2 */
|
||||
#define L2CC_IWR_WAY3 (1 << 3) /* Bit 3: Invalidate Way Number 3 */
|
||||
#define L2CC_IWR_WAY4 (1 << 4) /* Bit 4: Invalidate Way Number 4 */
|
||||
#define L2CC_IWR_WAY5 (1 << 5) /* Bit 5: Invalidate Way Number 5 */
|
||||
#define L2CC_IWR_WAY6 (1 << 6) /* Bit 6: Invalidate Way Number 6 */
|
||||
#define L2CC_IWR_WAY7 (1 << 7) /* Bit 7: Invalidate Way Number 7 */
|
||||
|
||||
/* Clean Physical Address Line Register */
|
||||
|
||||
#define L2CC_CPALR_C (1 << 0) /* Bit 0: Cache Synchronization Status */
|
||||
#define L2CC_CPALR_IDX_SHIFT (5) /* Bits 5-13: Index number */
|
||||
#define L2CC_CPALR_IDX_MASK (0x1ff << L2CC_CPALR_IDX_SHIFT)
|
||||
#define L2CC_CPALR_IDX(n) ((uint32_t)(n) << L2CC_CPALR_IDX_SHIFT)
|
||||
#define L2CC_CPALR_TAG_SHIFT (14) /* Bits 14-31: Tag number */
|
||||
#define L2CC_CPALR_TAG_MASK (0x3ffff << L2CC_CPALR_TAG_SHIFT)
|
||||
#define L2CC_CPALR_TAG(n) ((uint32_t)(n) << L2CC_CPALR_TAG_SHIFT)
|
||||
|
||||
/* Clean Index Register */
|
||||
|
||||
#define L2CC_CIR_C (1 << 0) /* Bit 0: Cache Synchronization Status */
|
||||
#define L2CC_CIR_IDX_SHIFT (5) /* Bits 5-13: Index number */
|
||||
#define L2CC_CIR_IDX_MASK (0x1ff << L2CC_CIR_IDX_SHIFT)
|
||||
#define L2CC_CIR_IDX(n) ((uint32_t)(n) << L2CC_CIR_IDX_SHIFT)
|
||||
#define L2CC_CIR_WAY_SHIFT (28) /* Bits 28-30: Way number */
|
||||
#define L2CC_CIR_WAY_MASK (7 << L2CC_CIR_WAY_SHIFT)
|
||||
#define L2CC_CIR_WAY(n) ((uint32_t)(n) << L2CC_CIR_WAY_SHIFT)
|
||||
|
||||
/* Clean Way Register */
|
||||
|
||||
#define L2CC_CWR_WAY(n) (1 << (n)) /* Bits 0-7: Clean Way Number n, n=0..7 */
|
||||
#define L2CC_CWR_WAY0 (1 << 0) /* Bit 0: Clean Way Number 0 */
|
||||
#define L2CC_CWR_WAY1 (1 << 1) /* Bit 1: Clean Way Number 1 */
|
||||
#define L2CC_CWR_WAY2 (1 << 2) /* Bit 2: Clean Way Number 2 */
|
||||
#define L2CC_CWR_WAY3 (1 << 3) /* Bit 3: Clean Way Number 3 */
|
||||
#define L2CC_CWR_WAY4 (1 << 4) /* Bit 4: Clean Way Number 4 */
|
||||
#define L2CC_CWR_WAY5 (1 << 5) /* Bit 5: Clean Way Number 5 */
|
||||
#define L2CC_CWR_WAY6 (1 << 6) /* Bit 6: Clean Way Number 6 */
|
||||
#define L2CC_CWR_WAY7 (1 << 7) /* Bit 7: Clean Way Number 7 */
|
||||
|
||||
/* Clean Invalidate Physical Address Line Register */
|
||||
|
||||
#define L2CC_CIPALR_C (1 << 0) /* Bit 0: Cache Synchronization Status */
|
||||
#define L2CC_CIPALR_IDX_SHIFT (5) /* Bits 5-13: Index Number */
|
||||
#define L2CC_CIPALR_IDX_MASK (0x1ff << L2CC_CIPALR_IDX_SHIFT)
|
||||
#define L2CC_CIPALR_IDX(n) ((uint32_t)(n) << L2CC_CIPALR_IDX_SHIFT)
|
||||
#define L2CC_CIPALR_TAG_SHIFT (14) /* Bits 14-31: Tag Number */
|
||||
#define L2CC_CIPALR_TAG_MASK (0x3ffff << L2CC_CIPALR_TAG_SHIFT)
|
||||
#define L2CC_CIPALR_TAG(n) ((uint32_t)(n) << L2CC_CIPALR_TAG_SHIFT)
|
||||
|
||||
/* Clean Invalidate Index Register */
|
||||
|
||||
#define L2CC_CIIR_C (1 << 0) /* Bit 0: Cache Synchronization Status */
|
||||
#define L2CC_CIIR_IDX_SHIFT (5) /* Bits 5-13: Index Number */
|
||||
#define L2CC_CIIR_IDX_MASK (0x1ff << L2CC_CIIR_IDX_SHIFT)
|
||||
#define L2CC_CIIR_IDX(n) ((uint32_t)(n) << L2CC_CIIR_IDX_SHIFT)
|
||||
#define L2CC_CIIR_WAY_SHIFT (28) /* Bits 28-30: Way Number */
|
||||
#define L2CC_CIIR_WAY_MASK (7 << L2CC_CIIR_WAY_SHIFT)
|
||||
#define L2CC_CIIR_WAY(n) ((uint32_t)(n) << L2CC_CIIR_WAY_SHIFT)
|
||||
|
||||
/* Clean Invalidate Way Register */
|
||||
|
||||
#define L2CC_CIWR_WAY(n) (1 << (n)) /* Bits 0-7: Clean Invalidate Way Number n, n=1..7 */
|
||||
#define L2CC_CIWR_WAY0 (1 << 0) /* Bit 0: Clean Invalidate Way Number 0 */
|
||||
#define L2CC_CIWR_WAY1 (1 << 1) /* Bit 1: Clean Invalidate Way Number 1 */
|
||||
#define L2CC_CIWR_WAY2 (1 << 2) /* Bit 2: Clean Invalidate Way Number 2 */
|
||||
#define L2CC_CIWR_WAY3 (1 << 3) /* Bit 3: Clean Invalidate Way Number 3 */
|
||||
#define L2CC_CIWR_WAY4 (1 << 4) /* Bit 4: Clean Invalidate Way Number 4 */
|
||||
#define L2CC_CIWR_WAY5 (1 << 5) /* Bit 5: Clean Invalidate Way Number 5 */
|
||||
#define L2CC_CIWR_WAY6 (1 << 6) /* Bit 6: Clean Invalidate Way Number 6 */
|
||||
#define L2CC_CIWR_WAY7 (1 << 7) /* Bit 7: Clean Invalidate Way Number 7 */
|
||||
|
||||
/* Data Lockdown Register */
|
||||
|
||||
#define L2CC_DLKR_DLK(n) (1 << (n)) /* Bits 0-7: Data Lockdown in Way Number n, n=0..7 */
|
||||
#define L2CC_DLKR_DLK0 (1 << 0) /* Bit 0: Data Lockdown in Way Number 0 */
|
||||
#define L2CC_DLKR_DLK1 (1 << 1) /* Bit 1: Data Lockdown in Way Number 1 */
|
||||
#define L2CC_DLKR_DLK2 (1 << 2) /* Bit 2: Data Lockdown in Way Number 2 */
|
||||
#define L2CC_DLKR_DLK3 (1 << 3) /* Bit 3: Data Lockdown in Way Number 3 */
|
||||
#define L2CC_DLKR_DLK4 (1 << 4) /* Bit 4: Data Lockdown in Way Number 4 */
|
||||
#define L2CC_DLKR_DLK5 (1 << 5) /* Bit 5: Data Lockdown in Way Number 5 */
|
||||
#define L2CC_DLKR_DLK6 (1 << 6) /* Bit 6: Data Lockdown in Way Number 6 */
|
||||
#define L2CC_DLKR_DLK7 (1 << 7) /* Bit 7: Data Lockdown in Way Number 7 */
|
||||
|
||||
/* Instruction Lockdown Register */
|
||||
|
||||
#define L2CC_ILKR_ILK(n) (1 << (n)) /* Bits 0-7: Instruction Lockdown in Way Number n, n=0..7 */
|
||||
#define L2CC_ILKR_ILK0 (1 << 0) /* Bit 0: Instruction Lockdown in Way Number 0 */
|
||||
#define L2CC_ILKR_ILK1 (1 << 1) /* Bit 1: Instruction Lockdown in Way Number 1 */
|
||||
#define L2CC_ILKR_ILK2 (1 << 2) /* Bit 2: Instruction Lockdown in Way Number 2 */
|
||||
#define L2CC_ILKR_ILK3 (1 << 3) /* Bit 3: Instruction Lockdown in Way Number 3 */
|
||||
#define L2CC_ILKR_ILK4 (1 << 4) /* Bit 4: Instruction Lockdown in Way Number 4 */
|
||||
#define L2CC_ILKR_ILK5 (1 << 5) /* Bit 5: Instruction Lockdown in Way Number 5 */
|
||||
#define L2CC_ILKR_ILK6 (1 << 6) /* Bit 6: Instruction Lockdown in Way Number 6 */
|
||||
#define L2CC_ILKR_ILK7 (1 << 7) /* Bit 7: Instruction Lockdown in Way Number 7 */
|
||||
|
||||
/* Lock Line Enable Register */
|
||||
|
||||
#ifdef CONFIG_PL310_LOCKDOWN_BY_LINE
|
||||
# define L2CC_LKLN_ENABLE (1 << 0) /* Bit 0: Lockdown by line enable */
|
||||
#endif
|
||||
|
||||
/* Unlock Way Register */
|
||||
|
||||
#ifdef CONFIG_PL310_LOCKDOWN_BY_LINE
|
||||
# define L2CC_UNLKW_WAY_SHIFT (0) /* Bits 0-15: Unlock line for corresponding way */
|
||||
# define L2CC_UNLKW_WAY_MASK (0xffff << L2CC_UNLKW_WAY_SHIFT)
|
||||
# define L2CC_UNLKW_WAY_SET(n) ((uint32_t)(n) << L2CC_UNLKW_WAY_SHIFT)
|
||||
# define L2CC_UNLKW_WAY_BIT(n) ((1 << (n)) << L2CC_UNLKW_WAY_SHIFT)
|
||||
#endif
|
||||
|
||||
/* Address filter start */
|
||||
|
||||
#ifdef PL310_ADDRESS_FILTERING
|
||||
# define L2CC_FLSTRT_ENABLE (1 << 0) /* Bit 0: Address filter enable */
|
||||
# define L2CC_FLSTRT_MASK (0xfff00000) /* Bits 20-31: Bits 20-31 of address mask */
|
||||
#endif
|
||||
|
||||
/* Address filter end */
|
||||
|
||||
#ifdef PL310_ADDRESS_FILTERING
|
||||
# define L2CC_FLEND_MASK (0xfff00000) /* Bits 20-31: Bits 20-31 of address mask */
|
||||
#endif
|
||||
|
||||
/* Debug Control Register */
|
||||
|
||||
#define L2CC_DCR_DCL (1 << 0) /* Bit 0: Disable Cache Linefill */
|
||||
#define L2CC_DCR_DWB (1 << 1) /* Bit 1: Disable Write-back, Force Write-through */
|
||||
#define L2CC_DCR_SPNIDEN (1 << 2) /* Bit 2: SPNIDEN Value */
|
||||
|
||||
/* Prefetch Control Register */
|
||||
|
||||
#define L2CC_PCR_SHIFT (0) /* Bits 0-4: Prefetch Offset */
|
||||
#define L2CC_PCR_MASK (31 << L2CC_PCR_SHIFT)
|
||||
#define L2CC_PCR_PREFETCH(n) ((uint32_t)(n) << L2CC_PCR_SHIFT)
|
||||
#define L2CC_PCR_NSIDEN (1 << 21) /* Bit 21: Not Same ID on Exclusive Sequence Enable */
|
||||
#define L2CC_PCR_IDLEN (1 << 23) /* Bit 23: INCR Double Linefill Enable */
|
||||
#define L2CC_PCR_PDEN (1 << 24) /* Bit 24: Prefetch Drop Enable */
|
||||
#define L2CC_PCR_DLFWRDIS (1 << 27) /* Bit 27: Double Linefill on WRAP Read Disable */
|
||||
#define L2CC_PCR_DATPEN (1 << 28) /* Bit 28: Data Prefetch Enable */
|
||||
#define L2CC_PCR_INSPEN (1 << 29) /* Bit 29: Instruction Prefetch Enable */
|
||||
#define L2CC_PCR_DLEN (1 << 30) /* Bit 30: Double Linefill Enable */
|
||||
|
||||
/* Power Control Register */
|
||||
|
||||
#define L2CC_POWCR_STBYEN (1 << 0) /* Bit 0: Standby Mode Enable */
|
||||
#define L2CC_POWCR_DCKGATEN (1 << 1) /* Bit 1: Dynamic Clock Gating Enable */
|
||||
|
||||
#endif /* __ARCH_ARM_SRC_ARMV7_A_L2CC_PL310_H */
|
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* Copyright (c) 2022 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file l2cc_pl310.c
|
||||
* @brief PLC inovance am401 app
|
||||
* @version 3.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.8.10
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
struct uart_desc {
|
||||
uint32_t RXD_ADDR;
|
||||
uint32_t TXD_ADDR;
|
||||
};
|
||||
|
||||
struct arch_desc {
|
||||
struct gic_desc {
|
||||
uint32_t GICC_ADDR;
|
||||
uint32_t GICD_ADDR;
|
||||
|
||||
} gic;
|
||||
|
||||
};
|
||||
|
||||
|
||||
struct page_pool {
|
||||
uint32_t node;
|
||||
uint32_t base;
|
||||
uint32_t size;
|
||||
uint32_t free;
|
||||
uint32_t last;
|
||||
|
||||
};
|
||||
|
||||
struct mem_region {
|
||||
uint32_t base;
|
||||
uint32_t size;
|
||||
struct page_pool page_pool;
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
struct board_desc{
|
||||
|
||||
uint32_t cpu_num;
|
||||
uint32_t region_num;
|
||||
struct mem_region *regions;
|
||||
|
||||
struct {
|
||||
uint32_t base_addr;
|
||||
} console;
|
||||
|
||||
uint32_t uart_num;
|
||||
struct uart_desc *uarts;
|
||||
|
||||
struct arch_desc arch;
|
||||
};
|
|
@ -0,0 +1,56 @@
|
|||
#include "device.h"
|
||||
|
||||
|
||||
struct board_desc platform = {
|
||||
.cpu_num = 4,
|
||||
.region_num = 1,
|
||||
.regions = (struct mem_region[]) {
|
||||
{
|
||||
|
||||
.base = 0x10000000,
|
||||
.size = 0xFFFFFFFF - 0x10000000
|
||||
}
|
||||
},
|
||||
|
||||
|
||||
#define URXD 0x0 /* Receiver Register */
|
||||
#define UTXD 0x40 /* Transmitter Register */
|
||||
|
||||
|
||||
|
||||
|
||||
#define AIPS1_ARB_BASE_ADDR 0x02000000
|
||||
#define ATZ1_BASE_ADDR AIPS1_ARB_BASE_ADDR
|
||||
#define UART1_BASE_ADDR (ATZ1_BASE_ADDR + 0x20000)
|
||||
|
||||
|
||||
#define AIPS2_ARB_BASE_ADDR 0x02100000
|
||||
#define ATZ2_BASE_ADDR AIPS2_ARB_BASE_ADDR
|
||||
#define AIPS2_OFF_BASE_ADDR (ATZ2_BASE_ADDR + 0x80000)
|
||||
|
||||
.console = {
|
||||
.base_addr=AIPS2_OFF_BASE_ADDR + 0x68000,
|
||||
},
|
||||
|
||||
.arch = {
|
||||
.gic = {
|
||||
.GICD_ADDR = 0x00A01000,
|
||||
.GICC_ADDR = 0x00A00100,
|
||||
|
||||
},
|
||||
},
|
||||
|
||||
.uart_num=2,
|
||||
.uarts=(struct uart_desc[]){
|
||||
//UART 0
|
||||
{
|
||||
.RXD_ADDR=0xF9010000,
|
||||
.TXD_ADDR=0xF9010000,
|
||||
},
|
||||
//UART 1
|
||||
{
|
||||
.RXD_ADDR=0xF9010000,
|
||||
.TXD_ADDR=0xF9010000,
|
||||
}
|
||||
}
|
||||
};
|
Loading…
Reference in New Issue