From ef2d4f6c1b8b23639b6f4996a714d642f39facfc Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Tue, 30 Aug 2016 21:28:11 +0300 Subject: [PATCH] staging: octeon: configure rx-delay/tx-delay Configure rx-delay/tx-delay when available. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- 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 2eb97317f631..073a1e335fe4 100644 --- a/drivers/staging/octeon/ethernet.c +++ b/drivers/staging/octeon/ethernet.c @@ -35,7 +35,7 @@ #include #include #include - +#include #include #include @@ -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; } -- 2.39.5