GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/lotus/drivers/net/ftgmac030/jlsemi_phy.c

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <common.h>
+#include <linux/bitops.h>
+#include <phy.h>
+
+#define MIIM_JL11X1_PAGE_SELECT      0x1f
+
+static int jl11x1_phy_extread(struct phy_device *phydev, int addr,
+				int devaddr, int regnum)
+{
+	int oldpage = phy_read(phydev, MDIO_DEVAD_NONE,
+			       MIIM_JL11X1_PAGE_SELECT);
+	int val;
+
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_JL11X1_PAGE_SELECT, devaddr);
+	val = phy_read(phydev, MDIO_DEVAD_NONE, regnum);
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_JL11X1_PAGE_SELECT, oldpage);
+
+	return val;
+}
+
+static int jl11x1_phy_extwrite(struct phy_device *phydev, int addr,
+				 int devaddr, int regnum, u16 val)
+{
+	int oldpage = phy_read(phydev, MDIO_DEVAD_NONE,
+			       MIIM_JL11X1_PAGE_SELECT);
+
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_JL11X1_PAGE_SELECT, devaddr);
+	phy_write(phydev, MDIO_DEVAD_NONE, regnum, val);
+	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_JL11X1_PAGE_SELECT, oldpage);
+
+	return 0;
+}
+
+static int jl11x1_config(struct phy_device *phydev)
+{
+	/* Set green LED for Link, yellow LED for Active */
+	phydev->drv->writeext(phydev, 0, 7, 19, 0x00);
+
+	genphy_config_aneg(phydev);
+
+	return 0;
+}
+
+int jl11x1_startup(struct phy_device *phydev)
+{
+	int ret;
+
+	ret = genphy_update_link(phydev);
+	if (ret)
+		return ret;
+
+	ret = genphy_parse_link(phydev);
+
+	if (phydev->speed == SPEED_100) {
+		unsigned int reg;
+
+		reg = phydev->drv->readext(phydev, 0, 24, 24);
+		reg &= ~(0x7 << 10);
+		reg |= (0x5 << 10);
+		phydev->drv->writeext(phydev, 0, 24, 24, reg);
+		// set page 7 reg 16 tx 3
+		reg = phydev->drv->readext(phydev, 0, 7, 16);
+		reg &= ~(0xf << 8);
+		reg |= (0x3 << 8);
+		phydev->drv->writeext(phydev, 0, 7, 16, reg);
+	}
+
+	return ret;
+}
+
+/* Support for JL11x1 PHY */
+static struct phy_driver JL11x1_driver = {
+	.name = "JLSemi JL11x1",
+	.uid = 0x937c4024,
+	.mask = 0xffffffff,
+	.features	= PHY_BASIC_FEATURES,
+	.config		= &jl11x1_config,
+	.startup	= &jl11x1_startup,
+	.shutdown	= &genphy_shutdown,
+	.readext	= &jl11x1_phy_extread,
+	.writeext	= &jl11x1_phy_extwrite,
+};
+
+int phy_jlsemi_init(void)
+{
+	phy_register(&JL11x1_driver);
+	return 0;
+}
+