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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/net/phy/lxt.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/net/phy/lxt.c')
-rw-r--r--qemu/roms/u-boot/drivers/net/phy/lxt.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/net/phy/lxt.c b/qemu/roms/u-boot/drivers/net/phy/lxt.c
new file mode 100644
index 000000000..91838ce5e
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/lxt.c
@@ -0,0 +1,73 @@
+/*
+ * LXT PHY drivers
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ */
+#include <phy.h>
+
+/* LXT971 Status 2 registers */
+#define MIIM_LXT971_SR2 0x11 /* Status Register 2 */
+#define MIIM_LXT971_SR2_SPEED_MASK 0x4200
+#define MIIM_LXT971_SR2_10HDX 0x0000 /* 10 Mbit half duplex selected */
+#define MIIM_LXT971_SR2_10FDX 0x0200 /* 10 Mbit full duplex selected */
+#define MIIM_LXT971_SR2_100HDX 0x4000 /* 100 Mbit half duplex selected */
+#define MIIM_LXT971_SR2_100FDX 0x4200 /* 100 Mbit full duplex selected */
+
+
+/* LXT971 */
+static int lxt971_parse_status(struct phy_device *phydev)
+{
+ int mii_reg;
+ int speed;
+
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_LXT971_SR2);
+ speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
+
+ switch (speed) {
+ case MIIM_LXT971_SR2_10HDX:
+ phydev->speed = SPEED_10;
+ phydev->duplex = DUPLEX_HALF;
+ break;
+ case MIIM_LXT971_SR2_10FDX:
+ phydev->speed = SPEED_10;
+ phydev->duplex = DUPLEX_FULL;
+ break;
+ case MIIM_LXT971_SR2_100HDX:
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_HALF;
+ break;
+ default:
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_FULL;
+ }
+
+ return 0;
+}
+
+static int lxt971_startup(struct phy_device *phydev)
+{
+ genphy_update_link(phydev);
+ lxt971_parse_status(phydev);
+
+ return 0;
+}
+
+static struct phy_driver LXT971_driver = {
+ .name = "LXT971",
+ .uid = 0x1378e0,
+ .mask = 0xfffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &genphy_config_aneg,
+ .startup = &lxt971_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+int phy_lxt_init(void)
+{
+ phy_register(&LXT971_driver);
+
+ return 0;
+}