Hi Michal,
On Sat, Feb 13, 2016 at 6:39 PM, Michal Simek <mon...@monstr.eu> wrote:
> Add support for reading MAC address from I2C EEPROM.
>
Is this a feature provided by the GEM MAC IP?
> Signed-off-by: Michal Simek <mon...@monstr.eu>
> ---
>
> drivers/net/zynq_gem.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
> index b3821c31a91d..ace60c901cb5 100644
> --- a/drivers/net/zynq_gem.c
> +++ b/drivers/net/zynq_gem.c
> @@ -627,6 +627,21 @@ static int zynq_gem_remove(struct udevice *dev)
> return 0;
> }
>
> +static int zynq_gem_read_rom_hwaddr(struct udevice *dev)
> +{
> +#if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
> + defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
> + struct eth_pdata *pdata = dev_get_platdata(dev);
> +
> + if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
> + CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
> + pdata->enetaddr, ARRAY_SIZE(pdata->enetaddr)))
This call to eeprom_read() looks to me a board-specific feature, that
an on-board eeprom is used to store the MAC address for the GEM?
> + printf("EEPROM MAC address read failed\n");
> +#endif
> + return 0;
> +}
> +
> +
> static const struct eth_ops zynq_gem_ops = {
> .start = zynq_gem_init,
> .send = zynq_gem_send,
> @@ -634,6 +649,7 @@ static const struct eth_ops zynq_gem_ops = {
> .free_pkt = zynq_gem_free_pkt,
> .stop = zynq_gem_halt,
> .write_hwaddr = zynq_gem_setup_mac,
> + .read_rom_hwaddr = zynq_gem_read_rom_hwaddr,
> };
>
> static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
> --
Regards,
Bin
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