Dear Josh Wu, Josh Wu <josh...@atmel.com> writes: >Add to code to flush the dcache after we writing in DMA buffer. >Also we need invalidate the dcache before we check the status in the >DMA buffer. > >Tested in SAMA5D3x-EK with gmac0. Tftp download speed shows in below: > Disable DCache: 1.1 MiB/s > Enable DCache: 1.6 MiB/s >Increase speed with about 40%. > >The code should have no impact with the boards which are not >enable_dcache(). >Tested in AT91SAM9M10G45EK. > >Signed-off-by: Josh Wu <josh...@atmel.com> > >--- >v2 resend: > 1. rebase Andreas' macb clean up patch: > http://patchwork.ozlabs.org/patch/352624/ > 2. add definitions: MACB_TX/RX_DMA_DESC_SIZE for the TX/RX dma descriptor > buffer size. > 3. replace the IS_RX/IS_TX with RX/TX, which is more readable. > 4. fix checkpatch warnings. > >v1 -> v2: none > > drivers/net/macb.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++---- > 1 file changed, 57 insertions(+), 4 deletions(-)
applied to u-boot-atmel/master, thanks! Best regards, Andreas Bießmann _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
