Add code to reset all reset signals as in Ethernet DT node. A reset property is
an optional feature,
so only print out a warning and do not fail if a reset property is not present.
If a reset property is discovered, then use it to deassert, thus bringing the
IP out of reset.
Signed-off-by: Ley Foon Tan <ley.foon....@intel.com>
---
drivers/net/designware.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index cf12521..6797691 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -15,6 +15,7 @@
#include <miiphy.h>
#include <malloc.h>
#include <pci.h>
+#include <reset.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <linux/kernel.h>
@@ -664,6 +665,7 @@ int designware_eth_probe(struct udevice *dev)
u32 iobase = pdata->iobase;
ulong ioaddr;
int ret;
+ struct reset_ctl_bulk reset_bulk;
#ifdef CONFIG_CLK
int i, err, clock_nb;
@@ -710,6 +712,12 @@ int designware_eth_probe(struct udevice *dev)
}
#endif
+ ret = reset_get_bulk(dev, &reset_bulk);
+ if (ret)
+ dev_warn(dev, "Can't get reset: %d\n", ret);
+ else
+ reset_deassert_bulk(&reset_bulk);
+
#ifdef CONFIG_DM_PCI
/*
* If we are on PCI bus, either directly attached to a PCI root port,
--
1.7.1
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