Commit 28009852 authored by Edgar E. Iglesias's avatar Edgar E. Iglesias Committed by Peter Maydell
Browse files

dma/xlnx-zdma: Populate DBG0.CMN_BUF_FREE 



Populate DBG0.CMN_BUF_FREE so that SW can see some free space.

Signed-off-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: default avatarFrancisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20200402134721.27863-3-edgar.iglesias@gmail.com
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 12ba36d9

hw/dma/xlnx-zdma.c

+6 −0
Original line number Diff line number Diff line
@@ -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,