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net: zynq_gem: Dont enable SGMII and PCS selection

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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2017-11-23 12:56:55 +05:30 • committed by Michal Simek
parent b8d4497f99
commit dd12a27ce2
1 changed files with 10 additions and 1 deletions
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11
drivers/net/zynq_gem.c
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@ -182,6 +182,7 @@ struct zynq_gem_priv {
int phy_of_handle; int phy_of_handle;
struct mii_dev *bus; struct mii_dev *bus;
struct clk clk; struct clk clk;
bool int_pcs;
}; };
static u32 phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum, 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; 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 | nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL |
ZYNQ_GEM_NWCFG_PCS_SEL; ZYNQ_GEM_NWCFG_PCS_SEL;
#ifdef CONFIG_ARM64 #ifdef CONFIG_ARM64
@ -697,6 +703,9 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
} }
priv->interface = pdata->phy_interface; 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, printf("ZYNQ GEM: %lx, phyaddr %x, interface %s\n", (ulong)priv->iobase,
priv->phyaddr, phy_string_for_interface(priv->interface)); priv->phyaddr, phy_string_for_interface(priv->interface));