Configure rx-delay/tx-delay when available.
Signed-off-by: Aaro Koskinen <[email protected]>
---
drivers/staging/octeon/ethernet.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/octeon/ethernet.c
b/drivers/staging/octeon/ethernet.c
index 2eb9731..073a1e3 100644
--- a/drivers/staging/octeon/ethernet.c
+++ b/drivers/staging/octeon/ethernet.c
@@ -35,7 +35,7 @@
#include <asm/octeon/cvmx-fau.h>
#include <asm/octeon/cvmx-ipd.h>
#include <asm/octeon/cvmx-helper.h>
-
+#include <asm/octeon/cvmx-asxx-defs.h>
#include <asm/octeon/cvmx-gmxx-defs.h>
#include <asm/octeon/cvmx-smix-defs.h>
@@ -647,6 +647,16 @@ static struct device_node *cvm_oct_node_for_port(struct
device_node *pip,
return np;
}
+static void cvm_set_rgmii_delay(struct device_node *np, int iface, int port)
+{
+ u32 delay_value;
+
+ if (!of_property_read_u32(np, "rx-delay", &delay_value))
+ cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, iface), delay_value);
+ if (!of_property_read_u32(np, "tx-delay", &delay_value))
+ cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, iface), delay_value);
+}
+
static int cvm_oct_probe(struct platform_device *pdev)
{
int num_interfaces;
@@ -805,6 +815,8 @@ static int cvm_oct_probe(struct platform_device *pdev)
case CVMX_HELPER_INTERFACE_MODE_GMII:
dev->netdev_ops = &cvm_oct_rgmii_netdev_ops;
strcpy(dev->name, "eth%d");
+ cvm_set_rgmii_delay(priv->of_node, interface,
+ port_index);
break;
}
--
2.9.2
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