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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2014 - 2019 Xilinx, Inc.
- * Michal Simek <michal.simek@xilinx.com>
- */
- #include <common.h>
- #include <dm/uclass.h>
- #include <i2c.h>
- int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
- {
- int ret = -EINVAL;
- #if defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
- struct udevice *dev;
- ofnode eeprom;
- eeprom = ofnode_get_chosen_node("xlnx,eeprom");
- if (!ofnode_valid(eeprom))
- return -ENODEV;
- debug("%s: Path to EEPROM %s\n", __func__,
- ofnode_get_chosen_prop("xlnx,eeprom"));
- ret = uclass_get_device_by_ofnode(UCLASS_I2C_EEPROM, eeprom, &dev);
- if (ret)
- return ret;
- ret = dm_i2c_read(dev, CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET, ethaddr, 6);
- if (ret)
- debug("%s: I2C EEPROM MAC address read failed\n", __func__);
- else
- debug("%s: I2C EEPROM MAC %pM\n", __func__, ethaddr);
- #endif
- return ret;
- }
- #if defined(CONFIG_OF_BOARD)
- void *board_fdt_blob_setup(void)
- {
- static void *fw_dtb = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR;
- if (fdt_magic(fw_dtb) != FDT_MAGIC) {
- printf("DTB is not passed via %p\n", fw_dtb);
- return NULL;
- }
- return fw_dtb;
- }
- #endif
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