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a2777ecb9d
Add Toradex factory configuration block handling. The config block is a data structure which gets stored to flash during production testing. The structure holds such information as board resp. hardware revision, product ID and serial number which is used as the NIC part of the Ethernet MAC address as well. The config block will be read upon boot by the show_board_info() function, displayed as part of the board information and passed to Linux via device tree or ATAGs. Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
69 lines
1.8 KiB
Text
69 lines
1.8 KiB
Text
# Copyright (c) 2016 Toradex, Inc.
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# SPDX-License-Identifier: GPL-2.0+
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menuconfig TDX_CFG_BLOCK
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bool "Enable Toradex config block support"
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select OF_BOARD_SETUP
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help
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The Toradex config block stored production data on the on-module
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flash device (NAND, NOR or eMMC). The area is normally preserved by
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software and contains the serial number (out of which the MAC
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address is generated) and the exact module type.
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# Helper config to determine the correct default location of the cfg block
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config TDX_HAVE_MMC
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bool
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config TDX_HAVE_NAND
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bool
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config TDX_HAVE_NOR
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bool
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if TDX_CFG_BLOCK
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config TDX_CFG_BLOCK_IS_IN_MMC
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bool
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depends on TDX_HAVE_MMC
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default y
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config TDX_CFG_BLOCK_IS_IN_NAND
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bool
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depends on TDX_HAVE_NAND
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default y
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config TDX_CFG_BLOCK_IS_IN_NOR
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bool
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depends on TDX_HAVE_NOR
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default y
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config TDX_CFG_BLOCK_DEV
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int "Toradex config block eMMC device ID"
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depends on TDX_CFG_BLOCK_IS_IN_MMC
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config TDX_CFG_BLOCK_PART
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int "Toradex config block eMMC partition ID"
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depends on TDX_CFG_BLOCK_IS_IN_MMC
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config TDX_CFG_BLOCK_OFFSET
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int "Toradex config block offset"
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help
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Specify the byte offset of the Toradex config block within the flash
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device the config block is stored on.
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config TDX_CFG_BLOCK_OFFSET2
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int "Toradex config block offset, second instance"
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default 0
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help
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Specify the byte offset of the 2nd instance of the Toradex config block
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within the flash device the config block is stored on.
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Set to 0 on modules which have no 2nd instance.
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config TDX_CFG_BLOCK_2ND_ETHADDR
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bool "Set the second Ethernet address"
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help
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For each serial number two Ethernet addresses are available for dual
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Ethernet carrier boards. This options enables the code to set the
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second Ethernet address as environment variable (eth1addr).
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endif
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