1 files changed, 94 insertions, 0 deletions
diff --git a/board/kup/common/load_sernum_ethaddr.c b/board/kup/common/load_sernum_ethaddr.c
new file mode 100644
index 0000000..39ee124
--- /dev/null
+++ b/board/kup/common/load_sernum_ethaddr.c
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+/*-----------------------------------------------------------------------
+ * Process Hardware Information Block:
+ *
+ * If we boot on a system fresh from factory, check if the Hardware
+ * Information Block exists and save the information it contains.
+ *
+ * The KUP Hardware Information Block is defined as
+ * follows:
+ * - located in first flash bank
+ * - starts at offset CFG_HWINFO_OFFSET
+ * - size CFG_HWINFO_SIZE
+ *
+ * Internal structure:
+ * - sequence of ASCII character lines
+ * - fields separated by <CR><LF>
+ * - last field terminated by NUL character (0x00)
+ *
+ * Fields in Hardware Information Block:
+ * 1) Module Type
+ * 2) MAC Address
+ * 3) ....
+ */
+
+
+#define ETHADDR_TOKEN "ethaddr="
+#define LCD_TOKEN "lcd="
+
+void load_sernum_ethaddr (void)
+{
+	unsigned char *hwi;
+	unsigned char *var;
+	unsigned char hwi_stack[CFG_HWINFO_SIZE];
+	unsigned char *p;
+
+	hwi = (unsigned char *) (CFG_FLASH_BASE + CFG_HWINFO_OFFSET);
+	if (*((unsigned long *) hwi) != (unsigned long) CFG_HWINFO_MAGIC) {
+		printf ("HardwareInfo not found!\n");
+		return;
+	}
+	memcpy (hwi_stack, hwi, CFG_HWINFO_SIZE);
+
+	/*
+	 ** ethaddr
+	 */
+	var = strstr (hwi_stack, ETHADDR_TOKEN);
+	if (var) {
+		var += sizeof (ETHADDR_TOKEN) - 1;
+		p = strchr (var, '\r');
+		if (p < hwi + CFG_HWINFO_SIZE) {
+			*p = '\0';
+			setenv ("ethaddr", var);
+			*p = '\r';
+		}
+	}
+	/*
+	 ** lcd
+	 */
+	var = strstr (hwi_stack, LCD_TOKEN);
+	if (var) {
+		var += sizeof (LCD_TOKEN) - 1;
+		p = strchr (var, '\r');
+		if (p < hwi + CFG_HWINFO_SIZE) {
+			*p = '\0';
+			setenv ("lcd", var);
+			*p = '\r';
+		}
+	}
+}