118 lines
6.0 KiB
C++
118 lines
6.0 KiB
C++
#@DESCRIPTION: STM32MP machine storage device configuration
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# -----------------------------------------------------------------------------
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# Define device storage name and type mapping
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# -----------------------------------------------------------------------------
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DEVICE_STORAGE ?= "EMMC:mmc1, NAND:nand0, NOR:nor0, SDCARD:mmc0"
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# -----------------------------------------------------------------------------
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# Define device storage name alias
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# -----------------------------------------------------------------------------
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DEVICE_STORAGE_NAMES += "EMMC"
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DEVICE_STORAGE_NAMES += "NAND"
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DEVICE_STORAGE_NAMES += "NOR"
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DEVICE_STORAGE_NAMES += "SDCARD"
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# -----------------------------------------------------------------------------
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# Define device storage type
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# -----------------------------------------------------------------------------
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DEVICE_STORAGE_TYPES += "mmc0"
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DEVICE_STORAGE_TYPES += "mmc1"
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DEVICE_STORAGE_TYPES += "mmc2"
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DEVICE_STORAGE_TYPES += "nand0"
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DEVICE_STORAGE_TYPES += "nor0"
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python () {
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"""
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This function configure dynamically the needed alias between generic storage
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device name and device type.
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Output for this function is the initialization of:
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DEVICE_<device_name> = '<device_type>'
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DEVICE_<device_type> = '<device_name>'
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"""
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device_storage_config = d.getVar('DEVICE_STORAGE') or ''
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if not device_storage_config:
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return
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if not device_storage_config.strip():
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return
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if len(device_storage_config.split(',')) > 0:
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# Init supported device storage configuration
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supported_device_names = (d.getVar('DEVICE_STORAGE_NAMES') or '').split()
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supported_device_types = (d.getVar('DEVICE_STORAGE_TYPES') or '').split()
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# Loop for all storage device configurations
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for device_storage in device_storage_config.split(','):
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device_name = device_storage.split(':')[0].strip()
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device_type = device_storage.split(':')[1].strip()
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# Check for configuration consistency
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if device_name and device_type:
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# Make sure configuration is correctly done
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if device_name not in supported_device_names:
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bb.fatal('Wrong DEVICE_STORAGE configuration: "%s" is not part of supported device name (%s)' % (device_name, supported_device_names))
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if device_type not in supported_device_types:
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bb.fatal('Wrong DEVICE_STORAGE configuration: "%s" is not part of supported device type (%s)' % (device_type, supported_device_types))
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# Configure alias
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d.setVar('DEVICE_%s' % device_name, device_type)
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d.setVar('DEVICE_%s' % device_type, device_name)
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else:
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bb.fatal('Wrong DEVICE_STORAGE configuration: expecting DEVICE_STORAGE = "<device_name1>:<devie_type1>,<device_name2>:<device_type2>"')
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}
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# -----------------------------------------------------------------------------
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# EMMC
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# Extra space is required to store 'Protective MBR' and 'Primary GPT Header'
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# Currently the required size is 17kBytes (i.e. 0x4400)
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# We need to align this size to get the first offset to use
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DEVICE_START_OFFSET_EMMC ?= "0x00080000"
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DEVICE_ALIGNMENT_SIZE_EMMC ?= "0x00080000"
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# Specific to EMMC, there are two boot partitions using specific offset to access
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DEVICE_START_OFFSET_BOOT0_EMMC ?= "boot1"
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DEVICE_START_OFFSET_BOOT1_EMMC ?= "boot2"
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# Configure the rootfs partition uid used in gpt partition table for EMMC
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DEVICE_PARTUUID_ROOTFS_EMMC ?= "${@d.getVar(d.expand('DEVICE_PARTUUID_ROOTFS_${DEVICE_EMMC}')) or ''}"
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# Configure the list of boards that enable EMMC
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DEVICE_BOARD_ENABLE_EMMC += "${@bb.utils.contains('BOOTDEVICE_LABELS', 'emmc', '${STM32MP_DT_FILES_ED}', '', d)}"
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DEVICE_BOARD_ENABLE_EMMC += "${@bb.utils.contains('BOOTDEVICE_LABELS', 'emmc', '${STM32MP_DT_FILES_EV}', '', d)}"
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# -----------------------------------------------------------------------------
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# NAND
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DEVICE_START_OFFSET_NAND ?= "0x00000000"
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DEVICE_ALIGNMENT_SIZE_NAND ?= "0x00040000"
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# Configure the list of boards that enable EMMC
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DEVICE_BOARD_ENABLE_NAND += "${@bb.utils.contains('BOOTDEVICE_LABELS', 'nand-4-256', '${STM32MP_DT_FILES_ED}', '', d)}"
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DEVICE_BOARD_ENABLE_NAND += "${@bb.utils.contains('BOOTDEVICE_LABELS', 'nand-4-256', '${STM32MP_DT_FILES_EV}', '', d)}"
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# -----------------------------------------------------------------------------
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# NOR
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DEVICE_START_OFFSET_NOR ?= "0x00000000"
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DEVICE_ALIGNMENT_SIZE_NOR ?= "0x00010000"
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# Configure the list of boards that enable EMMC
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DEVICE_BOARD_ENABLE_NOR += "${@bb.utils.contains('BOOTDEVICE_LABELS', 'nor-sdcard' , '${STM32MP_DT_FILES_EV}', '', d)}"
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# -----------------------------------------------------------------------------
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# SDCARD
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# Extra space is required to store 'Protective MBR' and 'Primary GPT Header'
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# Currently the required size is 17kBytes (i.e. 0x4400)
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# We need to align this size to get the first offset to use
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DEVICE_START_OFFSET_SDCARD ?= "0x00004400"
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DEVICE_ALIGNMENT_SIZE_SDCARD ?= "0x00000200"
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# Configure the rootfs partition uid used in gpt partition table for SDCARD
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DEVICE_PARTUUID_ROOTFS_SDCARD ?= "${@d.getVar(d.expand('DEVICE_PARTUUID_ROOTFS_${DEVICE_SDCARD}')) or ''}"
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# Configure the list of boards that enable SDCARD
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DEVICE_BOARD_ENABLE_SDCARD += "${@bb.utils.contains('BOOTDEVICE_LABELS', 'sdcard', '${STM32MP_DT_FILES_DK}', '', d)}"
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DEVICE_BOARD_ENABLE_SDCARD += "${@bb.utils.contains_any('BOOTDEVICE_LABELS', [ 'sdcard', 'nor-sdcard' ], '${STM32MP_DT_FILES_ED}', '', d)}"
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DEVICE_BOARD_ENABLE_SDCARD += "${@bb.utils.contains_any('BOOTDEVICE_LABELS', [ 'sdcard', 'nor-sdcard' ], '${STM32MP_DT_FILES_EV}', '', d)}"
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# -----------------------------------------------------------------------------
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# Fixed configuration from U-Boot source code
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# -----------------------------------------------------------------------------
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DEVICE_PARTUUID_ROOTFS_mmc0 ?= "e91c4e10-16e6-4c0e-bd0e-77becf4a3582"
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DEVICE_PARTUUID_ROOTFS_mmc1 ?= "491f6117-415d-4f53-88c9-6e0de54deac6"
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DEVICE_PARTUUID_ROOTFS_mmc2 ?= "fd58f1c7-be0d-4338-8ee9-ad8f050aeb18"
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