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| author | Edgar E. Iglesias | 2020-04-02 15:47:18 +0200 |
|---|---|---|
| committer | Peter Maydell | 2020-04-06 11:59:56 +0200 |
| commit | 28009852aa6b2d1574ba1bfd2461f274cb43fb49 (patch) | |
| tree | b6c367c2b6909f7531eeac62a6a70343e17919a4 /hw/dma | |
| parent | dma/xlnx-zdma: Remove comment (diff) | |
| download | qemu-28009852aa6b2d1574ba1bfd2461f274cb43fb49.tar.gz qemu-28009852aa6b2d1574ba1bfd2461f274cb43fb49.tar.xz qemu-28009852aa6b2d1574ba1bfd2461f274cb43fb49.zip | |
dma/xlnx-zdma: Populate DBG0.CMN_BUF_FREE
Populate DBG0.CMN_BUF_FREE so that SW can see some free space.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20200402134721.27863-3-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/dma')
| -rw-r--r-- | hw/dma/xlnx-zdma.c | 6 |
1 files changed, 6 insertions, 0 deletions
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, |