Doku Wiki

Machine definition files for Zedboard.

#@TYPE: Machine
#@NAME: zedboard-zynq7
#@DESCRIPTION: Machine support for ZedBoard. (http://www.zedboard.org/)
#
# For details on the Evaluation board:
#     http://www.zedboard.org/content/overview
# For design files (including 'zynq_fsbl_0.elf') for the ZedBoard:
#     http://www.zedboard.org/reference-designs-categories/zynq-concepts-tools-and-techniques-zedboard
#

SOC_VARIANT ?= "7z"

require conf/machine/include/tune-zynq.inc
require conf/machine/include/machine-xilinx-overrides.inc
require conf/machine/include/machine-xilinx-default.inc

# u-boot configuration
UBOOT_MACHINE = "zynq_zed_config"
SPL_BINARY ?= "spl/boot.bin"

EXTRA_IMAGEDEPENDS += " \
                u-boot-zynq-uenv \
                virtual/boot-bin \
                virtual/bootloader \
                "

SERIAL_CONSOLE = "115200 ttyPS0"

KERNEL_DEVICETREE = "zynq-zed.dtb"

IMAGE_BOOT_FILES += " \
                boot.bin \
                uEnv.txt \
                "

DEFAULTTUNE ?= "cortexa9thf-neon"
SOC_FAMILY ?= "zynq"

# Available SOC_VARIANT's for zynq:
# 7zs - Zynq-7000 Single A9 Core
# 7z  - Zynq-7000 Dual A9 Core

SOC_VARIANT ?= "7z"

require conf/machine/include/tune-cortexa9.inc
require conf/machine/include/soc-family.inc

# Linux Configuration
KERNEL_IMAGETYPE ?= "uImage"

# Set default load address.
# Override with KERNEL_EXTRA_ARGS_<board> += "..." in machine file if required
KERNEL_EXTRA_ARGS_zynq += "UIMAGE_LOADADDR=0x8000"

SOC_VARIANT ??= ""
MACHINEOVERRIDES =. "${@['', '${SOC_FAMILY}${SOC_VARIANT}:']['${SOC_VARIANT}' != '']}"

# Here we can extend overrides for the corresponding family and variant
def get_soc_overrides(fam, var, d):
  extender = ''
  if (fam == 'zynqmp'):
    if (var == 'eg'):
      extender = 'mali400:'
    elif (var == 'ev'):
      extender = 'mali400:vcu:'
  return extender

# Gets OVERRIDES extender depending on the board
SOC_OVERRIDES = "${@get_soc_overrides(d.getVar('SOC_FAMILY'),d.getVar('SOC_VARIANT'), d)}"

MACHINEOVERRIDES  =. "${SOC_OVERRIDES}"

PACKAGE_EXTRA_ARCHS_append = " ${SOC_FAMILY}"
PACKAGE_EXTRA_ARCHS_append = "${@['', ' ${SOC_FAMILY}${SOC_VARIANT}']['${SOC_VARIANT}' != '']}"