Normaly the PIGGY_MAC_ADRESS can be read directly from the IVM on keymile boards. On mgcoge3 it differs. Because there are two piggy boards deployed the second MAC adress must be calculated with the IVM mac adress and an offset. This patch allows to set such a offset in the board config.
Signed-off-by: Holger Brunck holger.brunck@keymile.com cc: Valentin Longchamp valentin.longchamp@keymile.com cc: Heiko Schocher hs@denx.de --- board/keymile/common/common.c | 20 ++++++++++++++++++++ board/keymile/common/common.h | 4 ++++ 2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c index 03d63c1..6136884 100644 --- a/board/keymile/common/common.c +++ b/board/keymile/common/common.c @@ -228,8 +228,28 @@ static int ivm_analyze_block2 (unsigned char *buf, int len) buf[5], buf[6]); 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, "%02X:%02X:%02X:%02X:%02X:%02X", + buf[1], + buf[2], + buf[3], + buf[4], + buf[5], + buf[6]); + } +#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 a38c727..8fd3125 100644 --- a/board/keymile/common/common.h +++ b/board/keymile/common/common.h @@ -11,6 +11,10 @@ #ifndef __KEYMILE_COMMON_H #define __KEYMILE_COMMON_H
+#if !defined(CONFIG_PIGGY_MAC_ADRESS_OFFSET) +#define CONFIG_PIGGY_MAC_ADRESS_OFFSET 0 +#endif + int ethernet_present (void); int ivm_read_eeprom (void);