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Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci/et1011c.c')
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/et1011c.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/et1011c.c b/arch/arm/cpu/arm926ejs/davinci/et1011c.c
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+++ b/arch/arm/cpu/arm926ejs/davinci/et1011c.c
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+/*
+ * LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <net.h>
+#include <miiphy.h>
+#include <asm/arch/emac_defs.h>
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+
+#ifdef CONFIG_CMD_NET
+
+/* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */
+
+#define MII_PHY_CONFIG_REG 22
+
+/* PHY Config bits */
+#define PHY_SYS_CLK_EN (1 << 4)
+
+int et1011c_get_link_speed(int phy_addr)
+{
+ u_int16_t data;
+
+ if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) {
+ davinci_eth_phy_read(EMAC_MDIO_PHY_NUM,
+ MII_PHY_CONFIG_REG, &data);
+ /* Enable 125MHz clock sourced from PHY */
+ davinci_eth_phy_write(EMAC_MDIO_PHY_NUM,
+ MII_PHY_CONFIG_REG,
+ data | PHY_SYS_CLK_EN);
+ return (1);
+ }
+ return (0);
+}
+
+#endif /* CONFIG_CMD_NET */
+
+#endif /* CONFIG_DRIVER_ETHER */