From 0cb162a76b16d58250a33e817af6a763e89a770a Mon Sep 17 00:00:00 2001 From: Solomon Peachy Date: Fri, 28 Aug 2020 21:45:58 -0400 Subject: mips: Heavily rework DMA & caching code Based on code originally written by Amaury Pouly (g#1789, g#1791, g#1527) but rebased and heavily updated. Change-Id: Ic794abb5e8d89feb4b88fc3abe854270fb28db70 --- firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c') diff --git a/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c b/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c index 0eb175c03f..56dd50814a 100644 --- a/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c +++ b/firmware/target/mips/ingenic_jz47xx/ata-sd-jz4740.c @@ -417,7 +417,7 @@ static void jz_sd_receive_data_dma(struct sd_request *req) #endif /* flush dcache */ - //dma_cache_wback_inv((unsigned long) req->buffer, size); + discard_dcache_range(req->buffer, size); /* setup dma channel */ REG_DMAC_DSAR(DMA_SD_RX_CHANNEL) = PHYSADDR(MSC_RXFIFO); /* DMA source addr */ REG_DMAC_DTAR(DMA_SD_RX_CHANNEL) = PHYSADDR((unsigned long) req->buffer); /* DMA dest addr */ @@ -452,7 +452,7 @@ static void jz_mmc_transmit_data_dma(struct mmc_request *req) #endif /* flush dcache */ - //dma_cache_wback_inv((unsigned long) req->buffer, size); + commit_discard_dcache_range(req->buffer, size); /* setup dma channel */ REG_DMAC_DSAR(DMA_SD_TX_CHANNEL) = PHYSADDR((unsigned long) req->buffer); /* DMA source addr */ REG_DMAC_DTAR(DMA_SD_TX_CHANNEL) = PHYSADDR(MSC_TXFIFO); /* DMA dest addr */ -- cgit