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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/drivers/net/phy/smsc.c
downloadqemu-master.tar.gz
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/u-boot/drivers/net/phy/smsc.c')
-rw-r--r--roms/u-boot/drivers/net/phy/smsc.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/phy/smsc.c b/roms/u-boot/drivers/net/phy/smsc.c
new file mode 100644
index 00000000..bfd9815a
--- /dev/null
+++ b/roms/u-boot/drivers/net/phy/smsc.c
@@ -0,0 +1,79 @@
+/*
+ * SMSC PHY drivers
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Base code from drivers/net/phy/davicom.c
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ *
+ * Some code copied from linux kernel
+ * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
+ */
+#include <miiphy.h>
+
+/* This code does not check the partner abilities. */
+static int smsc_parse_status(struct phy_device *phydev)
+{
+ int mii_reg;
+
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
+
+ if (mii_reg & (BMSR_100FULL | BMSR_100HALF))
+ phydev->speed = SPEED_100;
+ else
+ phydev->speed = SPEED_10;
+
+ if (mii_reg & (BMSR_10FULL | BMSR_100FULL))
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ return 0;
+}
+
+static int smsc_startup(struct phy_device *phydev)
+{
+ genphy_update_link(phydev);
+ smsc_parse_status(phydev);
+ return 0;
+}
+
+static struct phy_driver lan8700_driver = {
+ .name = "SMSC LAN8700",
+ .uid = 0x0007c0c0,
+ .mask = 0xffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &genphy_config_aneg,
+ .startup = &smsc_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver lan911x_driver = {
+ .name = "SMSC LAN911x Internal PHY",
+ .uid = 0x0007c0d0,
+ .mask = 0xffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &genphy_config_aneg,
+ .startup = &smsc_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+static struct phy_driver lan8710_driver = {
+ .name = "SMSC LAN8710/LAN8720",
+ .uid = 0x0007c0f0,
+ .mask = 0xffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &genphy_config_aneg,
+ .startup = &genphy_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+int phy_smsc_init(void)
+{
+ phy_register(&lan8710_driver);
+ phy_register(&lan911x_driver);
+ phy_register(&lan8700_driver);
+
+ return 0;
+}