On Mon, Dec 14, 2020 at 7:08 PM Padmarao Begari <padmarao.beg...@microchip.com> wrote: > > Enable 32-bit or 64-bit DMA in the macb driver based on the macb > hardware compatibility and it is configured with structure macb_config > in the driver. > > The Microchip PolarFire SoC Memory Protection Unit(MPU) gives the 64-bit > DMA access with the GEM, the MPU transactions on the AXI bus is 64-bit > not 32-bit So 64-bit DMA is enabled for the Microchip PolarFire SoC GEM. > > Signed-off-by: Padmarao Begari <padmarao.beg...@microchip.com> > Reviewed-by: Anup Patel <anup.pa...@wdc.com> > --- > drivers/net/macb.c | 131 +++++++++++++++++++++++++++++++++++++++------ > drivers/net/macb.h | 6 +++ > 2 files changed, 120 insertions(+), 17 deletions(-) >
Tested-by: Bin Meng <bin.m...@windriver.com>
