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Merge pull request #2876 from Ingenic-community/X1000 

X1000: drv_mmc.c: 修复DMA中的问题/Fix bug in DMA.
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Bernard Xiong 2019-07-20 13:58:40 +08:00 committed by GitHub
parent c352c2be63 b9e8f7dfda
commit 367c5abeeb
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1 changed files with 6 additions and 9 deletions
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15
bsp/x1000/drivers/mmc/drv_mmc.c
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@ -1,17 +1,14 @@
/* /*
* File : drv_mmc.c * Copyright (c) 2006-2019, RT-Thread Development Team
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2013 - 2015, RT-Thread Development Team
* *
* The license and distribution terms for this file may be * SPDX-License-Identifier: Apache-2.0
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
* *
* Change Logs: * Change Logs:
* Date Author Notes * Date Author Notes
* 2013-03-09 aozima the first version * 2013-03-09 aozima the first version
* 2013-03-29 aozima support Jz4770. * 2013-03-29 aozima support JZ4770.
* 2013-04-01 aozima add interrupt support for Jz4770. * 2013-04-01 aozima add interrupt support for JZ4770.
* 2019-04-04 Jean-Luc fix bug in jzmmc_submit_dma.
*/ */
#include <rthw.h> #include <rthw.h>
@ -275,7 +272,7 @@ rt_inline void jzmmc_submit_dma(struct jzmmc_host *host, struct rt_mmcsd_data *d
host->dma_desc.nda = 0; host->dma_desc.nda = 0;
host->dma_desc.len = data->blks * data->blksize; host->dma_desc.len = data->blks * data->blksize;
host->dma_desc.da = virt_to_phys(data->buf); host->dma_desc.da = virt_to_phys(data->buf);
host->dma_desc.dcmd = DMACMD_ENDI | DMACMD_LINK; /* only one DMA descriptor */ host->dma_desc.dcmd = DMACMD_ENDI; /* only one DMA descriptor */
#ifdef DMA_BUFFER #ifdef DMA_BUFFER
if ((uint32_t)(data->buf) & (DMA_ALIGN - 1)) if ((uint32_t)(data->buf) & (DMA_ALIGN - 1))