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-rw-r--r--qemu/roms/u-boot/drivers/net/phy/micrel.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/net/phy/micrel.c b/qemu/roms/u-boot/drivers/net/phy/micrel.c
new file mode 100644
index 000000000..5d7e3be52
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/micrel.c
@@ -0,0 +1,226 @@
+/*
+ * Micrel PHY drivers
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ * (C) 2012 NetModule AG, David Andrey, added KSZ9031
+ */
+#include <config.h>
+#include <common.h>
+#include <micrel.h>
+#include <phy.h>
+
+static struct phy_driver KSZ804_driver = {
+ .name = "Micrel KSZ804",
+ .uid = 0x221510,
+ .mask = 0xfffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &genphy_config,
+ .startup = &genphy_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+#ifndef CONFIG_PHY_MICREL_KSZ9021
+/*
+ * I can't believe Micrel used the exact same part number
+ * for the KSZ9021
+ * Shame Micrel, Shame!!!!!
+ */
+static struct phy_driver KS8721_driver = {
+ .name = "Micrel KS8721BL",
+ .uid = 0x221610,
+ .mask = 0xfffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &genphy_config,
+ .startup = &genphy_startup,
+ .shutdown = &genphy_shutdown,
+};
+#endif
+
+
+/**
+ * KSZ9021 - KSZ9031 common
+ */
+
+#define MII_KSZ90xx_PHY_CTL 0x1f
+#define MIIM_KSZ90xx_PHYCTL_1000 (1 << 6)
+#define MIIM_KSZ90xx_PHYCTL_100 (1 << 5)
+#define MIIM_KSZ90xx_PHYCTL_10 (1 << 4)
+#define MIIM_KSZ90xx_PHYCTL_DUPLEX (1 << 3)
+
+static int ksz90xx_startup(struct phy_device *phydev)
+{
+ unsigned phy_ctl;
+ genphy_update_link(phydev);
+ phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ90xx_PHY_CTL);
+
+ if (phy_ctl & MIIM_KSZ90xx_PHYCTL_DUPLEX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ if (phy_ctl & MIIM_KSZ90xx_PHYCTL_1000)
+ phydev->speed = SPEED_1000;
+ else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_100)
+ phydev->speed = SPEED_100;
+ else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_10)
+ phydev->speed = SPEED_10;
+ return 0;
+}
+#ifdef CONFIG_PHY_MICREL_KSZ9021
+
+/*
+ * KSZ9021
+ */
+
+/* PHY Registers */
+#define MII_KSZ9021_EXTENDED_CTRL 0x0b
+#define MII_KSZ9021_EXTENDED_DATAW 0x0c
+#define MII_KSZ9021_EXTENDED_DATAR 0x0d
+
+#define CTRL1000_PREFER_MASTER (1 << 10)
+#define CTRL1000_CONFIG_MASTER (1 << 11)
+#define CTRL1000_MANUAL_CONFIG (1 << 12)
+
+int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val)
+{
+ /* extended registers */
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9021_EXTENDED_CTRL, regnum | 0x8000);
+ return phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9021_EXTENDED_DATAW, val);
+}
+
+int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum)
+{
+ /* extended registers */
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_EXTENDED_CTRL, regnum);
+ return phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_EXTENDED_DATAR);
+}
+
+
+static int ksz9021_phy_extread(struct phy_device *phydev, int addr, int devaddr,
+ int regnum)
+{
+ return ksz9021_phy_extended_read(phydev, regnum);
+}
+
+static int ksz9021_phy_extwrite(struct phy_device *phydev, int addr,
+ int devaddr, int regnum, u16 val)
+{
+ return ksz9021_phy_extended_write(phydev, regnum, val);
+}
+
+/* Micrel ksz9021 */
+static int ksz9021_config(struct phy_device *phydev)
+{
+ unsigned ctrl1000 = 0;
+ const unsigned master = CTRL1000_PREFER_MASTER |
+ CTRL1000_CONFIG_MASTER | CTRL1000_MANUAL_CONFIG;
+ unsigned features = phydev->drv->features;
+
+ if (getenv("disable_giga"))
+ features &= ~(SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full);
+ /* force master mode for 1000BaseT due to chip errata */
+ if (features & SUPPORTED_1000baseT_Half)
+ ctrl1000 |= ADVERTISE_1000HALF | master;
+ if (features & SUPPORTED_1000baseT_Full)
+ ctrl1000 |= ADVERTISE_1000FULL | master;
+ phydev->advertising = phydev->supported = features;
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, ctrl1000);
+ genphy_config_aneg(phydev);
+ genphy_restart_aneg(phydev);
+ return 0;
+}
+
+static struct phy_driver ksz9021_driver = {
+ .name = "Micrel ksz9021",
+ .uid = 0x221610,
+ .mask = 0xfffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &ksz9021_config,
+ .startup = &ksz90xx_startup,
+ .shutdown = &genphy_shutdown,
+ .writeext = &ksz9021_phy_extwrite,
+ .readext = &ksz9021_phy_extread,
+};
+#endif
+
+/**
+ * KSZ9031
+ */
+/* PHY Registers */
+#define MII_KSZ9031_MMD_ACCES_CTRL 0x0d
+#define MII_KSZ9031_MMD_REG_DATA 0x0e
+
+/* Accessors to extended registers*/
+int ksz9031_phy_extended_write(struct phy_device *phydev,
+ int devaddr, int regnum, u16 mode, u16 val)
+{
+ /*select register addr for mmd*/
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_ACCES_CTRL, devaddr);
+ /*select register for mmd*/
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_REG_DATA, regnum);
+ /*setup mode*/
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_ACCES_CTRL, (mode | devaddr));
+ /*write the value*/
+ return phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_REG_DATA, val);
+}
+
+int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr,
+ int regnum, u16 mode)
+{
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_ACCES_CTRL, devaddr);
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_REG_DATA, regnum);
+ phy_write(phydev, MDIO_DEVAD_NONE,
+ MII_KSZ9031_MMD_ACCES_CTRL, (devaddr | mode));
+ return phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9031_MMD_REG_DATA);
+}
+
+static int ksz9031_phy_extread(struct phy_device *phydev, int addr, int devaddr,
+ int regnum)
+{
+ return ksz9031_phy_extended_read(phydev, devaddr, regnum,
+ MII_KSZ9031_MOD_DATA_NO_POST_INC);
+};
+
+static int ksz9031_phy_extwrite(struct phy_device *phydev, int addr,
+ int devaddr, int regnum, u16 val)
+{
+ return ksz9031_phy_extended_write(phydev, devaddr, regnum,
+ MII_KSZ9031_MOD_DATA_POST_INC_RW, val);
+};
+
+
+static struct phy_driver ksz9031_driver = {
+ .name = "Micrel ksz9031",
+ .uid = 0x221620,
+ .mask = 0xfffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &genphy_config,
+ .startup = &ksz90xx_startup,
+ .shutdown = &genphy_shutdown,
+ .writeext = &ksz9031_phy_extwrite,
+ .readext = &ksz9031_phy_extread,
+};
+
+int phy_micrel_init(void)
+{
+ phy_register(&KSZ804_driver);
+#ifdef CONFIG_PHY_MICREL_KSZ9021
+ phy_register(&ksz9021_driver);
+#else
+ phy_register(&KS8721_driver);
+#endif
+ phy_register(&ksz9031_driver);
+ return 0;
+}