[U-Boot] [PATCH 10/15] Update the number of ethxaddr in reading system eeprom

[Haiying Wang]

We support up to 8 mac addresses in system eeprom, so we'd limit the mac_count
to 8, and update the number of ethxaddr if there is more than 4 ethernet ports.

Signed-off-by: Haiying Wang <Haiying.Wang at freescale.com>
---
 board/freescale/common/sys_eeprom.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/board/freescale/common/sys_eeprom.c b/board/freescale/common/sys_eeprom.c
index 988cb94..d71a5e4 100644
--- a/board/freescale/common/sys_eeprom.c
+++ b/board/freescale/common/sys_eeprom.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006, 2008 Freescale Semiconductor
+ * Copyright 2006, 2008-2009 Freescale Semiconductor
  * York Sun (yorksun at freescale.com)
  * Haiying Wang (haiying.wang at freescale.com)
  * Timur Tabi (timur at freescale.com)
@@ -404,7 +404,14 @@ int mac_read_from_eeprom(void)
 		}
 	}
 
-	for (i = 0; i < min(4, e.mac_count); i++) {
+	/* Check the number of MAC address which is limited to 8 */
+	if (e.mac_count > 8) {
+		printf("Warning: The number of MAC address is greater"
+			" than 8, force it to 8.\n");
+		e.mac_count = 8;
+	}
+
+	for (i = 0; i < e.mac_count; i++) {
 		if (memcmp(&e.mac[i], "\0\0\0\0\0\0", 6) &&
 		    memcmp(&e.mac[i], "\xFF\xFF\xFF\xFF\xFF\xFF", 6)) {
 			char ethaddr[18];
-- 
1.6.0.2