1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495 |
- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2014 - 2019 Xilinx, Inc.
- * Michal Simek <michal.simek@xilinx.com>
- */
- #include <common.h>
- #include <env.h>
- #include <log.h>
- #include <asm/sections.h>
- #include <dm/uclass.h>
- #include <i2c.h>
- #include <linux/sizes.h>
- #include "board.h"
- #if defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET)
- int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
- {
- int ret = -EINVAL;
- 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_read_chosen_string("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);
- return ret;
- }
- #endif
- #if defined(CONFIG_OF_BOARD) || defined(CONFIG_OF_SEPARATE)
- void *board_fdt_blob_setup(void)
- {
- void *fdt_blob;
- #if !defined(CONFIG_VERSAL_NO_DDR) && !defined(CONFIG_ZYNQMP_NO_DDR)
- fdt_blob = (void *)CONFIG_XILINX_OF_BOARD_DTB_ADDR;
- if (fdt_magic(fdt_blob) == FDT_MAGIC)
- return fdt_blob;
- debug("DTB is not passed via %p\n", fdt_blob);
- #endif
- #ifdef CONFIG_SPL_BUILD
- /* FDT is at end of BSS unless it is in a different memory region */
- if (IS_ENABLED(CONFIG_SPL_SEPARATE_BSS))
- fdt_blob = (ulong *)&_image_binary_end;
- else
- fdt_blob = (ulong *)&__bss_end;
- #else
- /* FDT is at end of image */
- fdt_blob = (ulong *)&_end;
- #endif
- if (fdt_magic(fdt_blob) == FDT_MAGIC)
- return fdt_blob;
- debug("DTB is also not passed via %p\n", fdt_blob);
- return NULL;
- }
- #endif
- int board_late_init_xilinx(void)
- {
- u32 ret = 0;
- phys_size_t bootm_size = gd->ram_size;
- if (CONFIG_IS_ENABLED(ARCH_ZYNQ))
- bootm_size = min(bootm_size, (phys_size_t)(SZ_512M + SZ_256M));
- ret |= env_set_hex("script_offset_f", CONFIG_BOOT_SCRIPT_OFFSET);
- ret |= env_set_addr("bootm_low", (void *)gd->ram_base);
- ret |= env_set_addr("bootm_size", (void *)bootm_size);
- if (ret)
- printf("%s: Saving run time variables FAILED\n", __func__);
- return 0;
- }
|