
Hi Michal,
On Sat, Feb 13, 2016 at 6:39 PM, Michal Simek monstr@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 monstr@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