1 files changed, 131 insertions, 0 deletions
diff --git a/common/cmd_mii.c b/common/cmd_mii.c
new file mode 100644
index 0000000..b5963f1
--- /dev/null
+++ b/common/cmd_mii.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2001
+ * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * MII Utilities
+ */
+
+#include <common.h>
+#include <command.h>
+#include <cmd_mii.h>
+#include <miiphy.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_MII)
+
+/*
+ * Display values from last command.
+ */
+uint last_op;
+uint last_addr;
+uint last_data;
+uint last_reg;
+
+/*
+ * MII read/write
+ *
+ * Syntax:
+ *  mii read {addr} {reg}
+ *  mii write {addr} {reg} {data}
+ */
+
+int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+	char		op;
+	unsigned char	addr, reg;
+	unsigned short	data;
+	int		rcode = 0;
+
+#ifdef CONFIG_MPC860
+	mii_init ();
+#endif
+
+	/*
+	 * We use the last specified parameters, unless new ones are
+	 * entered.
+	 */
+	op   = last_op;
+	addr = last_addr;
+	data = last_data;
+	reg  = last_reg;
+
+	if ((flag & CMD_FLAG_REPEAT) == 0) {
+		op = argv[1][0];
+		if (argc >= 3)
+			addr = simple_strtoul (argv[2], NULL, 16);
+		if (argc >= 4)
+			reg  = simple_strtoul (argv[3], NULL, 16);
+		if (argc >= 5)
+			data = simple_strtoul (argv[4], NULL, 16);
+	}
+
+	/*
+	 * check info/read/write.
+	 */
+	if (op == 'i') {
+		int j;
+		unsigned int oui;
+		unsigned char model;
+		unsigned char rev;
+
+		/*
+		 * Look for any and all PHYs.  Valid addresses are 0..31.
+		 */
+		for (j = 0; j < 32; j++) {
+			if (miiphy_info (j, &oui, &model, &rev) == 0) {
+				printf ("PHY 0x%02X: "
+					"OUI = 0x%04X, "
+					"Model = 0x%02X, "
+					"Rev = 0x%02X, "
+					"%3dbaseT, %s\n",
+					j, oui, model, rev,
+					miiphy_speed (j) == _100BASET ? 100 : 10,
+					miiphy_duplex (j) == FULL ? "FDX" : "HDX");
+			}
+		}
+	} else if (op == 'r') {
+		if (miiphy_read (addr, reg, &data) != 0) {
+			printf ("Error reading from the PHY\n");
+			rcode = 1;
+		}
+		printf ("%04X\n", data & 0x0000FFFF);
+	} else if (op == 'w') {
+		if (miiphy_write (addr, reg, data) != 0) {
+			printf ("Error writing to the PHY\n");
+			rcode = 1;
+		}
+	} else {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	/*
+	 * Save the parameters for repeats.
+	 */
+	last_op = op;
+	last_addr = addr;
+	last_data = data;
+
+	return rcode;
+}
+
+#endif /* CFG_CMD_MII */