Hi Tom,
On 02/07/17 20:28, Tom Rini wrote:
> On Tue, Feb 07, 2017 at 09:52:25AM +0200, Igor Grinberg wrote:
>> Hi Roger,
>>
>> On 02/06/17 11:36, Roger Quadros wrote:
>>> PRU ethernet MAC address range is present in the
>>> board EEPROM. Parse it and setup eth?addr
>>> environment variables.
>>>
>>> Signed-off-by: Roger Quadros <rog...@ti.com>
>>> Reviewed-by: Lokesh Vutla <lokeshvu...@ti.com>
>>> ---
>>> board/ti/ks2_evm/board_k2g.c | 19 +++++++++++++++++++
>>> 1 file changed, 19 insertions(+)
>>>
>>> diff --git a/board/ti/ks2_evm/board_k2g.c b/board/ti/ks2_evm/board_k2g.c
>>> index 40edbaa..a738dd2 100644
>>> --- a/board/ti/ks2_evm/board_k2g.c
>>> +++ b/board/ti/ks2_evm/board_k2g.c
>>> @@ -12,6 +12,7 @@
>>> #include <asm/arch/psc_defs.h>
>>> #include <asm/arch/mmc_host_def.h>
>>> #include "mux-k2g.h"
>>> +#include "../common/board_detect.h"
>>>
>>> #define SYS_CLK 24000000
>>>
>>> @@ -149,6 +150,24 @@ int board_early_init_f(void)
>>> }
>>> #endif
>>>
>>> +#ifdef CONFIG_BOARD_LATE_INIT
>>> +int board_late_init(void)
>>> +{
>>> +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_TI_I2C_BOARD_DETECT)
>>> + int rc;
>>> +
>>> + rc = ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
>>> + CONFIG_EEPROM_CHIP_ADDRESS);
>>> + if (rc)
>>> + printf("ti_i2c_eeprom_init failed %d\n", rc);
>>> +
>>> + board_ti_set_ethaddr(1);
>>
>> What if the MAC address has already been set in the environment?
>> AFAIR, the MAC address in the environment has a higher precedence
>> than others.
>> May be I missed this, but I don't remember any discussion about changing
>> this assumption.
>> So, if the assumption is still correct, you shouldn't change the MAC in the
>> env.
>
> This is true. Can we perhaps come up with a helper function that's
> normally called to set the "eth?addr" to MAC if unset already, instead
> of having N instances of the same logic?That sounds like a good plan. -- Regards, Igor.
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