We support up to 8 mac addresses in system eeprom, so we define the macro
MAX_NUM_PORTS to limit the mac_count to 8, and update the number of ethxaddr
according to mac_count.
Signed-off-by: Haiying Wang <haiying.w...@freescale.com>
---
v4 change: white space clean up
board/freescale/common/sys_eeprom.c | 23 ++++++++++++++++++-----
1 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/board/freescale/common/sys_eeprom.c
b/board/freescale/common/sys_eeprom.c
index 988cb94..ae5304a 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 (york...@freescale.com)
* Haiying Wang (haiying.w...@freescale.com)
* Timur Tabi (ti...@freescale.com)
@@ -34,6 +34,8 @@
#error "Please define either CONFIG_SYS_I2C_EEPROM_CCID or
CONFIG_SYS_I2C_EEPROM_NXID"
#endif
+#define MAX_NUM_PORTS 8 /* This value must be 8 as defined in doc */
+
/**
* static eeprom: EEPROM layout for CCID or NXID formats
*
@@ -50,7 +52,7 @@ static struct __attribute__ ((__packed__)) eeprom {
u8 res_0[40]; /* 0x18 - 0x3f Reserved */
u8 mac_count; /* 0x40 Number of MAC addresses */
u8 mac_flag; /* 0x41 MAC table flags */
- u8 mac[8][6]; /* 0x42 - 0x71 MAC addresses */
+ u8 mac[MAX_NUM_PORTS][6]; /* 0x42 - 0x71 MAC addresses */
u32 crc; /* 0x72 CRC32 checksum */
#endif
#ifdef CONFIG_SYS_I2C_EEPROM_NXID
@@ -66,7 +68,7 @@ static struct __attribute__ ((__packed__)) eeprom {
u8 res_1[21]; /* 0x2b - 0x3f Reserved */
u8 mac_count; /* 0x40 Number of MAC addresses */
u8 mac_flag; /* 0x41 MAC table flags */
- u8 mac[8][6]; /* 0x42 - 0x71 MAC addresses */
+ u8 mac[MAX_NUM_PORTS][6]; /* 0x42 - 0x71 MAC addresses */
u32 crc; /* 0x72 CRC32 checksum */
#endif
} e;
@@ -119,7 +121,8 @@ static void show_eeprom(void)
e.date[3] & 0x80 ? "PM" : "");
/* Show MAC addresses */
- for (i = 0; i < min(e.mac_count, 8); i++) {
+ for (i = 0; i < min(e.mac_count, MAX_NUM_PORTS); i++) {
+
u8 *p = e.mac[i];
printf("Eth%u: %02x:%02x:%02x:%02x:%02x:%02x\n", i,
@@ -404,7 +407,17 @@ int mac_read_from_eeprom(void)
}
}
- for (i = 0; i < min(4, e.mac_count); i++) {
+ /* Check the number of MAC addresses which is limited to
+ * MAX_NUM_PORTS.
+ */
+ if (e.mac_count > MAX_NUM_PORTS) {
+ printf("Warning: The number of MAC addresses is greater"
+ " than %u, force it to %u.\n", MAX_NUM_PORTS,
+ MAX_NUM_PORTS);
+ e.mac_count = MAX_NUM_PORTS;
+ }
+
+ 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
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