Date: Fri, 19 Jun 2015 11:39:18 GMT From: pratiksinghal@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r287322 - soc2015/pratiksinghal/cubie-head/sys/arm/allwinner Message-ID: <201506191139.t5JBdIXk081464@socsvn.freebsd.org>
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Author: pratiksinghal Date: Fri Jun 19 11:39:18 2015 New Revision: 287322 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=287322 Log: Added the sync call before start of transfer Modified: soc2015/pratiksinghal/cubie-head/sys/arm/allwinner/a10_mmc.c Modified: soc2015/pratiksinghal/cubie-head/sys/arm/allwinner/a10_mmc.c ============================================================================== --- soc2015/pratiksinghal/cubie-head/sys/arm/allwinner/a10_mmc.c Fri Jun 19 09:37:37 2015 (r287321) +++ soc2015/pratiksinghal/cubie-head/sys/arm/allwinner/a10_mmc.c Fri Jun 19 11:39:18 2015 (r287322) @@ -350,6 +350,11 @@ return EIO ; } + if (sc->a10_dma_ops == 0) + bus_dmamap_sync(sc->a10_dma_buff_tag, sc->a10_dma_buff_map, BUS_DMASYNC_PREREAD) ; + else if(sc->a10_dma_ops == 1) + bus_dmamap_sync(sc->a10_dma_buff_tag, sc->a10_dma_buff_map, BUS_DMASYNC_PREWRITE) ; + bus_dmamap_sync(sc->a10_dma_tag, sc->a10_dma_map, BUS_DMASYNC_PREWRITE) ; val = A10_MMC_READ_4(sc, A10_MMC_GCTRL) ; @@ -702,6 +707,12 @@ } } + else + { + uint32_t temp_val = A10_MMC_READ_4(sc, A10_MMC_GCTRL) | A10_MMC_INT_ENABLE | A10_MMC_ACCESS_BY_AHB ; + temp_val = temp_val & (~A10_MMC_DMA_ENABLE) ; + A10_MMC_WRITE_4(sc, A10_MMC_GCTRL, temp_val) ; + } A10_MMC_WRITE_4(sc, A10_MMC_CARG, cmd->arg); A10_MMC_WRITE_4(sc, A10_MMC_CMDR, cmdreg | cmd->opcode);
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