[U-Boot] [PATCH 1/2] Davinci: Make MAC address offset in EEPROM configurable, CONFIG_MAC_EEPROM_ADDR

[Tom Rini]

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On 01/30/2013 03:10 AM, Kim Bøndergaard Poulsen wrote:
> Hi Tom
> 
> 
>> -----Original Message----- From: Tom Rini [mailto:trini at ti.com] 
>> Sent: 29. januar 2013 21:32 To: Kim Bøndergaard Poulsen Cc: 
>> u-boot at lists.denx.de; vapier at gentoo.org; manjunath.hadli at ti.com 
>> Subject: Re: [PATCH 1/2] Davinci: Make MAC address offset in 
>> EEPROM configurable, CONFIG_MAC_EEPROM_ADDR
>> 
> On 01/29/2013 02:28 AM, Kim B￸ndergaard wrote:
>>>> --- arch/arm/cpu/arm926ejs/davinci/misc.c | 5 ++++- 1 file 
>>>> changed, 4 insertions(+), 1 deletion(-)
>>>> 
>>>> diff --git a/arch/arm/cpu/arm926ejs/davinci/misc.c 
>>>> b/arch/arm/cpu/arm926ejs/davinci/misc.c index 
>>>> c310c69..d0389a4 100644 --- 
>>>> a/arch/arm/cpu/arm926ejs/davinci/misc.c +++ 
>>>> b/arch/arm/cpu/arm926ejs/davinci/misc.c @@ -55,11 +55,14 @@ 
>>>> void dram_init_banksize(void) * Read ethernet MAC address 
>>>> from EEPROM for DVEVM compatible boards. * Returns 1 if 
>>>> found, 0 otherwise. */ +#ifndef CONFIG_MAC_EEPROM_ADDR 
>>>> +#define
> CONFIG_MAC_EEPROM_ADDR
>>>> 0x7F00 +#endif int dvevm_read_mac_address(uint8_t *buf) { 
>>>> #ifdef CONFIG_SYS_I2C_EEPROM_ADDR /* Read MAC address. */ - 
>>>> if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7F00, +	if 
>>>> (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR,
> CONFIG_MAC_EEPROM_ADDR,
>>>> CONFIG_SYS_I2C_EEPROM_ADDR_LEN, (uint8_t *) &buf[0], 6))
>>>> goto i2cerr;
> 
> Lets use CONFIG_SYS_I2C_EEPROM_MAC_OFFSET and just set it in all
> of the davinci configs (yes, that's touching more files).  Thanks!
> 
> 
>> So what you suggest is to add a #define 
>> CONFIG_SYS_I2C_EEPROM_MAC_OFFSET 0x7F00
> 
>> in all DAVINCI related include/configs/*.h ?
> 
>> Also I assume you want me to remove the #ifdef 
>> CONFIG_SYS_I2C_EEPROM_MAC_OFFSET in misc.c?
> 
>> My only problem is that I don't know if it makes sense to define 
>> it for all boards
> 
>> grep -l DAVINCI * in include/configs gives me the following 
>> files: calimain.h cam_enc_4xx.h da830evm.h da850evm.h 
>> davinci_dm355evm.h davinci_dm355leopard.h davinci_dm365evm.h 
>> davinci_dm6467evm.h davinci_dvevm.h davinci_schmoogie.h 
>> davinci_sffsdr.h davinci_sonata.h ea20.h enbw_cmc.h hawkboard.h 
>> tnetv107x_evm.h
> 
>> Anyone who knows if they all have I2C eeproms

The subset of these with CONFIG_SYS_I2C_EEPROM set to start with,
should as they have been reading there already.  Cc'ing the various
board maintainers with the patch would be good.

- -- 
Tom
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