diff options
| author | Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> | 2017-11-23 12:56:55 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2017-11-29 08:02:40 +0100 |
| commit | dd12a27ce28131cd1b80ff865d3297ffec4cc4a6 (patch) | |
| tree | d931ca6237a3f6fbf3439ecb9b6f3817495d7184 /drivers | |
| parent | b8d4497f99328edcd21d740b80c3bf43a67c28e7 (diff) | |
| download | u-boot-dd12a27ce28131cd1b80ff865d3297ffec4cc4a6.tar.gz | |
net: zynq_gem: Dont enable SGMII and PCS selection
Dont enable SGMII and PCS selection if internal PCS/PMA
is not used, by getting the info about internal/external
PCS/PMA usage from dt property "is-internal-phy".
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/zynq_gem.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index f6bbcdc48e..1dfd631e1a 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -182,6 +182,7 @@ struct zynq_gem_priv { int phy_of_handle; struct mii_dev *bus; struct clk clk; + bool int_pcs; }; static u32 phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum, @@ -425,7 +426,12 @@ static int zynq_gem_init(struct udevice *dev) nwconfig = ZYNQ_GEM_NWCFG_INIT; - if (priv->interface == PHY_INTERFACE_MODE_SGMII) { + /* + * Set SGMII enable PCS selection only if internal PCS/PMA + * core is used and interface is SGMII. + */ + if (priv->interface == PHY_INTERFACE_MODE_SGMII && + priv->int_pcs) { nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL | ZYNQ_GEM_NWCFG_PCS_SEL; #ifdef CONFIG_ARM64 @@ -697,6 +703,9 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev) } priv->interface = pdata->phy_interface; + priv->int_pcs = fdtdec_get_bool(gd->fdt_blob, node, + "is-internal-pcspma"); + printf("ZYNQ GEM: %lx, phyaddr %x, interface %s\n", (ulong)priv->iobase, priv->phyaddr, phy_string_for_interface(priv->interface)); |