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;elsephydev->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;elsephydev->duplex = DUPLEX_HALF;if (bmcr & BMCR_SPEED1000)phydev->speed = SPEED_1000;else if (bmcr & BMCR_SPEED100)phydev->speed = SPEED_100;elsephydev->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?
if (phytype == XAE_PHY_TYPE_1000BASE_X)phydev->flags |= XAE_PHY_TYPE_1000BASE_X;return 0;+}
+static int xilinxphy_config(struct phy_device *phydev) +{
int temp;debug("%s\n", __func__);xilinxphy_of_init(phydev);temp = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);temp &= XPCSPMA_PHY_CTRL_ISOLATE_DISABLE;phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, temp);return 0;+}
+static struct phy_driver xilinxphy_driver = {
.uid = XILINX_PHY_ID,.mask = XILINX_PHY_ID_MASK,.name = "Xilinx PCS/PMA PHY",.features = PHY_GBIT_FEATURES,.config = &xilinxphy_config,.startup = &xilinxphy_startup,.shutdown = &genphy_shutdown,+};
+int phy_xilinx_init(void) +{
debug("%s\n", __func__);phy_register(&xilinxphy_driver);return 0;+} diff --git a/include/phy.h b/include/phy.h index 09bbe483a4b1..21459a8c8093 100644 --- a/include/phy.h +++ b/include/phy.h @@ -264,6 +264,7 @@ int phy_smsc_init(void); int phy_teranetics_init(void); int phy_ti_init(void); int phy_vitesse_init(void); +int phy_xilinx_init(void);
int board_phy_config(struct phy_device *phydev); int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id); -- 1.9.1
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