
On 26.4.2016 00:36, Joe Hershberger wrote:
On Mon, Feb 15, 2016 at 3:54 AM, Michal Simek michal.simek@xilinx.com wrote:
From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Add phy driver support for xilinx PCS/PMA core
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Kedareswara rao Appana appanad@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com
drivers/net/phy/Makefile | 1 + drivers/net/phy/phy.c | 3 + drivers/net/phy/xilinx_phy.c | 144 +++++++++++++++++++++++++++++++++++++++++++ include/phy.h | 1 + 4 files changed, 149 insertions(+) create mode 100644 drivers/net/phy/xilinx_phy.c
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 9e4d4927e676..1e299b97b961 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -25,4 +25,5 @@ obj-$(CONFIG_PHY_REALTEK) += realtek.o obj-$(CONFIG_PHY_SMSC) += smsc.o obj-$(CONFIG_PHY_TERANETICS) += teranetics.o obj-$(CONFIG_PHY_TI) += ti.o +obj-$(CONFIG_PHY_XILINX) += xilinx_phy.o obj-$(CONFIG_PHY_VITESSE) += vitesse.o diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 17866a244b3a..23c82bb36e93 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -503,6 +503,9 @@ int phy_init(void) #ifdef CONFIG_PHY_VITESSE phy_vitesse_init(); #endif +#ifdef CONFIG_PHY_XILINX
phy_xilinx_init();
+#endif
return 0;
} diff --git a/drivers/net/phy/xilinx_phy.c b/drivers/net/phy/xilinx_phy.c new file mode 100644 index 000000000000..f3eaf2e97ced --- /dev/null +++ b/drivers/net/phy/xilinx_phy.c @@ -0,0 +1,144 @@ +/*
- Xilinx PCS/PMA Core phy driver
- Copyright (C) 2015 - 2016 Xilinx, Inc.
- SPDX-License-Identifier: GPL-2.0+
- */
+#include <config.h> +#include <common.h> +#include <phy.h> +#include <dm.h>
+DECLARE_GLOBAL_DATA_PTR;
+#define MII_PHY_STATUS_SPD_MASK 0x0C00 +#define MII_PHY_STATUS_FULLDUPLEX 0x1000 +#define MII_PHY_STATUS_1000 0x0800 +#define MII_PHY_STATUS_100 0x0400
Use the BIT() macro where appropriate.
+#define XPCSPMA_PHY_CTRL_ISOLATE_DISABLE 0xFBFF
+/* Mask used for ID comparisons */ +#define XILINX_PHY_ID_MASK 0xfffffff0
+/* Known PHY IDs */ +#define XILINX_PHY_ID 0x01740c00
+/* struct phy_device dev_flags definitions */ +#define XAE_PHY_TYPE_MII 0 +#define XAE_PHY_TYPE_GMII 1 +#define XAE_PHY_TYPE_RGMII_1_3 2 +#define XAE_PHY_TYPE_RGMII_2_0 3 +#define XAE_PHY_TYPE_SGMII 4 +#define XAE_PHY_TYPE_1000BASE_X 5
+static int xilinxphy_startup(struct phy_device *phydev) +{
int err;
int status = 0;
debug("%s\n", __func__);
/* Update the link, but return if there
* was an error
*/
err = genphy_update_link(phydev);
if (err)
return err;
if (AUTONEG_ENABLE == phydev->autoneg) {
status = phy_read(phydev, MDIO_DEVAD_NONE, MII_LPA);
status = status & MII_PHY_STATUS_SPD_MASK;
if (status & MII_PHY_STATUS_FULLDUPLEX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
switch (status) {
case MII_PHY_STATUS_1000:
phydev->speed = SPEED_1000;
break;
case MII_PHY_STATUS_100:
phydev->speed = SPEED_100;
break;
default:
phydev->speed = SPEED_10;
break;
}
} else {
int bmcr = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
if (bmcr < 0)
return bmcr;
if (bmcr & BMCR_FULLDPLX)
phydev->duplex = DUPLEX_FULL;
else
phydev->duplex = DUPLEX_HALF;
if (bmcr & BMCR_SPEED1000)
phydev->speed = SPEED_1000;
else if (bmcr & BMCR_SPEED100)
phydev->speed = SPEED_100;
else
phydev->speed = SPEED_10;
}
/*
* For 1000BASE-X Phy Mode the speed/duplex will always be
* 1000Mbps/fullduplex
*/
if (phydev->flags == XAE_PHY_TYPE_1000BASE_X) {
phydev->duplex = DUPLEX_FULL;
phydev->speed = SPEED_1000;
}
return 0;
+}
+static int xilinxphy_of_init(struct phy_device *phydev) +{
struct udevice *dev = (struct udevice *)&phydev->dev;
u32 phytype;
debug("%s\n", __func__);
phytype = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "phy-type", -1);
Is there a bindings document that can be included to describe this?
It should be added.
Siva: Can you please look at it?
Thanks, Michal