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staging: octeon: configure rx-delay/tx-delay 

Configure rx-delay/tx-delay when available.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aaro Koskinen 2016-08-30 21:28:11 +03:00 committed by Greg Kroah-Hartman
parent c2bbedf01f
commit ef2d4f6c1b
1 changed files with 13 additions and 1 deletions
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14
drivers/staging/octeon/ethernet.c
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@ -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;
}