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fsl: Update the number of ethxaddr in reading system eeprom

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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.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Haiying Wang 2009-06-04 16:12:40 -04:00 committed by Kumar Gala
parent f82107f637
commit 9a6110897f
1 changed files with 18 additions and 5 deletions
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23
board/freescale/common/sys_eeprom.c
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@ -1,5 +1,5 @@
/*
* Copyright 2006, 2008 Freescale Semiconductor
* Copyright 2006, 2008-2009 Freescale Semiconductor
* York Sun (yorksun@freescale.com)
* Haiying Wang (haiying.wang@freescale.com)
* Timur Tabi (timur@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];