net: gem: Allow to set the MAC from an EEPROM
Provide board specific option how to read MAC address from ROM.
Do it in generic way to be reusable by differnet boards.
If this is not enough board specific functions can be created.
Signed-off-by: Joe Hershberger <joe.hershberger@gmail.com> # driver part
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index 4049e1c..103ed61 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -571,6 +571,23 @@
ZYNQ_GEM_NWCTRL_TXEN_MASK, 0);
}
+__weak int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
+{
+ return -ENOSYS;
+}
+
+static int zynq_gem_read_rom_mac(struct udevice *dev)
+{
+ int retval;
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+
+ retval = zynq_board_read_rom_ethaddr(pdata->enetaddr);
+ if (retval == -ENOSYS)
+ retval = 0;
+
+ return retval;
+}
+
static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr,
int devad, int reg)
{
@@ -644,6 +661,7 @@
.free_pkt = zynq_gem_free_pkt,
.stop = zynq_gem_halt,
.write_hwaddr = zynq_gem_setup_mac,
+ .read_rom_hwaddr = zynq_gem_read_rom_mac,
};
static int zynq_gem_ofdata_to_platdata(struct udevice *dev)