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authorwdenk <wdenk>2002-09-18 20:04:01 +0000
committerwdenk <wdenk>2002-09-18 20:04:01 +0000
commitdd7d41f00d413bbb91d758d0936c0eb24c59ce2c (patch)
tree83db4db0b389bed534375cbae229ed068c73a189 /common
parent5b88144d013493f2c9c073bf991737d2173409d4 (diff)
downloadu-boot-linaro-stable-dd7d41f00d413bbb91d758d0936c0eb24c59ce2c.tar.gz
Initial revision
Diffstat (limited to 'common')
-rw-r--r--common/cmd_mii.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/common/cmd_mii.c b/common/cmd_mii.c
new file mode 100644
index 000000000..b5963f12e
--- /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 */