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>
---
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
