[U-Boot] [PATCH v2] netspace_v2: Read Ethernet MAC address from EEPROM

[Prafulla Wadaskar]

> -----Original Message-----
> From: Simon Guinot [mailto:simon at sequanux.org]
> Sent: Wednesday, November 16, 2011 4:02 PM
> To: Prafulla Wadaskar
> Cc: u-boot at lists.denx.de
> Subject: Re: [U-Boot] [PATCH v2] netspace_v2: Read Ethernet MAC
> address from EEPROM
> 
> Hi Prafulla,
> 
> On Tue, Nov 08, 2011 at 10:31:14PM +0100, Simon Guinot wrote:
> > From: Simon Guinot <simon.guinot at sequanux.org>
> >
> > Signed-off-by: Simon Guinot <simon.guinot at sequanux.org>
> > ---
> >
> > Changes in v2:
> >  - fix asm-offsets.s removal
> >  - make MAC address setup conditional to
> CONFIG_SYS_I2C_EEPROM_ADDR
> >
> >  board/LaCie/netspace_v2/netspace_v2.c |   43
> +++++++++++++++++++++++++++++++++
> >  include/configs/netspace_v2.h         |    1 +
> >  2 files changed, 44 insertions(+), 0 deletions(-)
> 
> Do you want me for some other modifications on this patch ?
> 
> Regards,
> 
> Simon
> 
> >
> > diff --git a/board/LaCie/netspace_v2/netspace_v2.c
> b/board/LaCie/netspace_v2/netspace_v2.c
> > index 7c4b15e..6938a43 100644
> > --- a/board/LaCie/netspace_v2/netspace_v2.c
> > +++ b/board/LaCie/netspace_v2/netspace_v2.c
> > @@ -24,6 +24,7 @@
> >  #include <miiphy.h>
> >  #include <netdev.h>
> >  #include <command.h>
> > +#include <i2c.h>
> >  #include <asm/arch/cpu.h>
> >  #include <asm/arch/kirkwood.h>
> >  #include <asm/arch/mpp.h>
> > @@ -89,6 +90,48 @@ int board_init(void)
> >  	return 0;
> >  }
> >
> > +int misc_init_r(void)
> > +{
> > +#if defined(CONFIG_CMD_I2C) &&
> defined(CONFIG_SYS_I2C_EEPROM_ADDR)
> > +	if (!getenv("ethaddr")) {
> > +		ushort version;
> > +		uchar mac[6];
> > +		int ret;
> > +
> > +		/* I2C-0 for on-board EEPROM */
> > +		i2c_set_bus_num(0);
> > +
> > +		/* Check layout version for EEPROM data */
> > +		ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
> > +				CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
> > +				(uchar *) &version, 2);
> > +		if (ret != 0) {
> > +			printf("Error: failed to read I2C EEPROM @%02x\n",
> > +				CONFIG_SYS_I2C_EEPROM_ADDR);
> > +			return ret;
> > +		}
> > +		version = be16_to_cpu(version);
> > +		if (version < 1 || version > 3) {
> > +			printf("Error: unknown version %d for EEPROM
> data\n",
> > +				version);
> > +			return -1;
> > +		}
> > +
> > +		/* Read Ethernet MAC address from EEPROM */
> > +		ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
> > +				CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac, 6);
> > +		if (ret != 0) {
> > +			printf("Error: failed to read I2C EEPROM @%02x\n",
> > +				CONFIG_SYS_I2C_EEPROM_ADDR);
> > +			return ret;
> > +		}
> > +		eth_setenv_enetaddr("ethaddr", mac);
> > +	}
> > +#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */
> > +
> > +	return 0;
> > +}
> > +
> >  void mv_phy_88e1116_init(char *name)
> >  {
> >  	u16 reg;
> > diff --git a/include/configs/netspace_v2.h
> b/include/configs/netspace_v2.h
> > index bb27ed7..1ddf4b4 100644
> > --- a/include/configs/netspace_v2.h
> > +++ b/include/configs/netspace_v2.h
> > @@ -87,6 +87,7 @@
> >   * Ethernet Driver configuration
> >   */
> >  #ifdef CONFIG_CMD_NET
> > +#define CONFIG_MISC_INIT_R /* Call misc_init_r() to
> initialize MAC address */
> >  #define CONFIG_MVGBE_PORTS		{1, 0} /* enable port 0 only
> */
> >  #define CONFIG_NETCONSOLE
> >  #endif
> > --
> > 1.7.5.1
> >

Applied to u-boot-marvell.git master branch

Regards..
Prafulla . . .