diff options
| author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2016-08-30 21:28:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-01 18:37:52 +0300 |
| commit | ef2d4f6c1b8b23639b6f4996a714d642f39facfc (patch) | |
| tree | ad498f78c4b27986d51a4efe44848b49515c35f4 /drivers/staging/octeon | |
| parent | c2bbedf01fe7a9901828911c7a2d8c27f48a5f16 (diff) | |
| download | linux-ef2d4f6c1b8b23639b6f4996a714d642f39facfc.tar.xz | |
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>
Diffstat (limited to 'drivers/staging/octeon')
| -rw-r--r-- | drivers/staging/octeon/ethernet.c | 14 |
1 files changed, 13 insertions, 1 deletions
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 <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; } |