git: f0a7dd770312 - main - dwc: Setup desc addresses in the dma init function.
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Date: Thu, 05 Oct 2023 15:35:09 UTC
The branch main has been updated by manu:
URL: https://cgit.FreeBSD.org/src/commit/?id=f0a7dd7703124af42da3705bb11e785c0eb9f0c4
commit f0a7dd7703124af42da3705bb11e785c0eb9f0c4
Author: Emmanuel Vadot <manu@FreeBSD.org>
AuthorDate: 2023-10-03 16:46:56 +0000
Commit: Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2023-10-05 15:34:40 +0000
dwc: Setup desc addresses in the dma init function.
---
sys/dev/dwc/dwc1000_dma.c | 11 +++++++++++
sys/dev/dwc/if_dwc.c | 11 -----------
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/sys/dev/dwc/dwc1000_dma.c b/sys/dev/dwc/dwc1000_dma.c
index 3d95c9d8e764..cdfd24afd574 100644
--- a/sys/dev/dwc/dwc1000_dma.c
+++ b/sys/dev/dwc/dwc1000_dma.c
@@ -605,10 +605,18 @@ int
dma1000_init(struct dwc_softc *sc)
{
struct mbuf *m;
+ uint32_t reg;
int error;
int nidx;
int idx;
+ /*
+ * DMA must be stop while changing descriptor list addresses.
+ */
+ reg = READ4(sc, OPERATION_MODE);
+ reg &= ~(MODE_ST | MODE_SR);
+ WRITE4(sc, OPERATION_MODE, reg);
+
/*
* Set up TX descriptor ring, descriptors, and dma maps.
*/
@@ -684,6 +692,8 @@ dma1000_init(struct dwc_softc *sc)
for (idx = 0; idx < TX_DESC_COUNT; idx++)
dwc_setup_txdesc(sc, idx, 0, 0, 0, false, false);
+ WRITE4(sc, TX_DESCR_LIST_ADDR, sc->txdesc_ring_paddr);
+
/*
* Set up RX descriptor ring, descriptors, dma maps, and mbufs.
*/
@@ -758,6 +768,7 @@ dma1000_init(struct dwc_softc *sc)
goto out;
}
}
+ WRITE4(sc, RX_DESCR_LIST_ADDR, sc->rxdesc_ring_paddr);
out:
if (error != 0)
diff --git a/sys/dev/dwc/if_dwc.c b/sys/dev/dwc/if_dwc.c
index 896e2f2205a0..0df99a7c205c 100644
--- a/sys/dev/dwc/if_dwc.c
+++ b/sys/dev/dwc/if_dwc.c
@@ -610,22 +610,11 @@ dwc_attach(device_t dev)
WRITE4(sc, BUS_MODE, reg);
- /*
- * DMA must be stop while changing descriptor list addresses.
- */
- reg = READ4(sc, OPERATION_MODE);
- reg &= ~(MODE_ST | MODE_SR);
- WRITE4(sc, OPERATION_MODE, reg);
-
if (dma1000_init(sc)) {
bus_release_resources(dev, dwc_spec, sc->res);
return (ENXIO);
}
- /* Setup addresses */
- WRITE4(sc, RX_DESCR_LIST_ADDR, sc->rxdesc_ring_paddr);
- WRITE4(sc, TX_DESCR_LIST_ADDR, sc->txdesc_ring_paddr);
-
mtx_init(&sc->mtx, device_get_nameunit(sc->dev),
MTX_NETWORK_LOCK, MTX_DEF);