On [2020 Apr 02] Thu 15:47:18, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.igles...@xilinx.com>
>
> Populate DBG0.CMN_BUF_FREE so that SW can see some free space.
>
> Signed-off-by: Edgar E. Iglesias <edgar.igles...@xilinx.com>
Reviewed-by: Francisco Iglesias <frasse.igles...@gmail.com>
> ---
> hw/dma/xlnx-zdma.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/hw/dma/xlnx-zdma.c b/hw/dma/xlnx-zdma.c
> index a6c5b2304a..6a4699757a 100644
> --- a/hw/dma/xlnx-zdma.c
> +++ b/hw/dma/xlnx-zdma.c
> @@ -680,6 +680,12 @@ static RegisterAccessInfo zdma_regs_info[] = {
> },{ .name = "ZDMA_CH_DBG0", .addr = A_ZDMA_CH_DBG0,
> .rsvd = 0xfffffe00,
> .ro = 0x1ff,
> +
> + /*
> + * There's SW out there that will check the debug regs for free
> space.
> + * Claim that we always have 0x100 free.
> + */
> + .reset = 0x100
> },{ .name = "ZDMA_CH_DBG1", .addr = A_ZDMA_CH_DBG1,
> .rsvd = 0xfffffe00,
> .ro = 0x1ff,
> --
> 2.20.1
>
