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-rw-r--r--board/keymile/common/common.c13
-rw-r--r--board/keymile/common/common.h4
2 files changed, 17 insertions, 0 deletions
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index 6600e08..8392a64 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -228,8 +228,21 @@ static int ivm_analyze_block2(unsigned char *buf, int len)
/* IVM_MacAddress */
sprintf((char *)valbuf, "%pM", buf);
ivm_set_value("IVM_MacAddress", (char *)valbuf);
+ /* if an offset is defined, add it */
+#if defined(CONFIG_PIGGY_MAC_ADRESS_OFFSET)
+ if (CONFIG_PIGGY_MAC_ADRESS_OFFSET > 0) {
+ unsigned long val = (buf[4] << 16) + (buf[5] << 8) + buf[6];
+
+ val += CONFIG_PIGGY_MAC_ADRESS_OFFSET;
+ buf[4] = (val >> 16) & 0xff;
+ buf[5] = (val >> 8) & 0xff;
+ buf[6] = val & 0xff;
+ sprintf((char *)valbuf, "%pM", buf);
+ }
+#endif
if (getenv("ethaddr") == NULL)
setenv((char *)"ethaddr", (char *)valbuf);
+
/* IVM_MacCount */
count = (buf[10] << 24) +
(buf[11] << 16) +
diff --git a/board/keymile/common/common.h b/board/keymile/common/common.h
index 8497ab6..e32de8d 100644
--- a/board/keymile/common/common.h
+++ b/board/keymile/common/common.h
@@ -39,6 +39,10 @@ struct km_bec_fpga {
unsigned char pgy_eth;
};
+#if !defined(CONFIG_PIGGY_MAC_ADRESS_OFFSET)
+#define CONFIG_PIGGY_MAC_ADRESS_OFFSET 0
+#endif
+
int ethernet_present(void);
int ivm_read_eeprom(void);