Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-11 07:34:31 +00:00
Code Issues Projects Releases Packages Wiki Activity

km/common/ivm: rework piggy mac adress offset generation

Browse source 
For the the kmvect1 board we will also need a functionality to add an
offset to the IVMs MAC address, because these board will have two valid
ethernet ports for debugging purpose. So move the code to an own
function.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
This commit is contained in:
Holger Brunck 2013-01-21 03:55:17 +00:00 committed by Kim Phillips
parent 1eb95ebe0d
commit 322bb2056b
1 changed files with 17 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
board/keymile/common/ivm.c
View file

@ -201,6 +201,22 @@ static int ivm_check_crc(unsigned char *buf, int block)
return 0;
}
static int calculate_mac_offset(unsigned char *valbuf, unsigned char *buf,
int offset)
{
unsigned long val = (buf[4] << 16) + (buf[5] << 8) + buf[6];
if (offset == 0)
return 0;
val += offset;
buf[4] = (val >> 16) & 0xff;
buf[5] = (val >> 8) & 0xff;
buf[6] = val & 0xff;
sprintf((char *)valbuf, "%pM", buf + 1);
return 0;
}
static int ivm_analyze_block2(unsigned char *buf, int len)
{
unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN];
@ -210,17 +226,7 @@ static int ivm_analyze_block2(unsigned char *buf, int len)
sprintf((char *)valbuf, "%pM", buf + 1);
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 + 1);
}
#endif
calculate_mac_offset(buf, valbuf, CONFIG_PIGGY_MAC_ADRESS_OFFSET);
#ifdef MACH_TYPE_KM_KIRKWOOD
setenv((char *)"ethaddr", (char *)valbuf);
#else