configs/freescale_imx31_3stack: Remove target
Currently this target fails to build: arch/arm/mach-imx/built-in.o: In function `init_mmdc_lpddr2_settings': platform-spi_imx.c:(.text+0x8f18): undefined reference to `imx6sll_lpddr2_freq_change' arch/arm/mach-imx/built-in.o: In function `imx6ul_cpuidle_init': platform-spi_imx.c:(.init.text+0x195c): undefined reference to `mx6ull_lpm_wfi_end' platform-spi_imx.c:(.init.text+0x1960): undefined reference to `mx6ull_lpm_wfi_start' platform-spi_imx.c:(.init.text+0x1964): undefined reference to `imx6ull_low_power_idle' arch/arm/mach-imx/built-in.o: In function `imx6sl_init_late': platform-spi_imx.c:(.init.text+0x56f0): undefined reference to `imx6sll_cpuidle_init' Makefile:969: recipe for target 'vmlinux' failed NXP 4.9 kernel does not properly support mx31, so better remove this target. mx31_3stack board is currently supported in U-Boot and kernel mainline, so if someone is interested on this board, then a target can be introduced later which uses these mainline components. Currently I do not have access to this board, so remove it its defconfig for now. Fixes: https://gitlab.com/buildroot.org/buildroot/-/jobs/66561688 Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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Fabio Estevam
Peter Korsgaard
parent
c41576cad1
commit
ed947dce16
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# CONFIG_FB_MXS is not set
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**************************************
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Freescale i.MX31 PDK development board
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**************************************
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This file documents the Buildroot support for the Freescale i.MX31 PDK in "3
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stack" configuration.
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The i.MX31 Product Development Kit (or PDK) is Freescale development board [1]
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based on the i.MX31 application processor [2].
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For more details on the i.MX31 PDK board, refer to the User's Guide [3].
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Build
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=====
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First, configure Buildroot for your i.MX31 PDK board:
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make freescale_imx31_3stack_defconfig
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Build all components:
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make
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You will find in ./output/images/ the following files:
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- rootfs.cpio
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- rootfs.cpio.gz
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- rootfs.tar
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- zImage
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The generated zImage does include the rootfs.
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Boot the PDK board
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==================
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The i.MX31 PDK contains a RedBoot bootloader in flash, which can be used to
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boot the newly created Buildroot images from the network.
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This necessitates to setup a TFTP server first. This setup is explained for
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example in Freescale i.MX31 PDK 1.5 Linux User's Guide [4].
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Here is a sample RedBoot configuration, for proper network boot of Buildroot on
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the i.MX31 PDK:
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RedBoot> fconfig -l
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Run script at boot: true
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Boot script:
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.. load -r -b 0x100000 zImage
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.. exec -c "console=ttymxc0,115200"
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Boot script timeout (1000ms resolution): 2
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Use BOOTP for network configuration: false
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Gateway IP address: <your gateway IP address>
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Local IP address: <your PDK IP address>
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Local IP address mask: 255.255.255.0
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Default server IP address: <your TFTP server IP address>
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Board specifics: 0
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Console baud rate: 115200
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Set eth0 network hardware address [MAC]: false
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GDB connection port: 9000
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Force console for special debug messages: false
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Network debug at boot time: false
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Adapt those settings to your network configuration by replacing the appropriate
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network addresses where necessary.
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You might want to verify that your i.MX31 PDK switches settings are the correct
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ones for UART, power, boot mode, etc. Here is a reference switches
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configuration:
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SW4
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1 2 3 4 5 6 7 8
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ON off off off off off off ON
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SW5 SW6 SW7 SW8 SW9 SW10
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0 1 0 0 0 0
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See the i.MX31 PDK Linux Quick Start Guide [5] for more details on the switches
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settings.
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Connect a serial terminal set to 115200n8 and power on the i.MX31 PDK board.
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Buildroot will present a login prompt on the serial port.
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Enjoy!
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References
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==========
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[1] http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX31PDK
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[2] http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX31
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[3] http://cache.freescale.com/files/32bit/doc/user_guide/pdk15_imx31_Hardware_UG.pdf
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[4] http://cache.freescale.com/files/32bit/doc/support_info/IMX31_PDK15_LINUXDOCS_BUNDLE.zip, pdk15_imx31__Linux_UG.pdf
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[5] http://www.freescale.com/files/32bit/doc/quick_ref_guide/PDK14LINUXQUICKSTART.pdf
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@ -1,20 +0,0 @@
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# architecture
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BR2_arm=y
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BR2_arm1136jf_s=y
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BR2_ARM_EABIHF=y
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# Linux headers same as kernel, a 4.9 series
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BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
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# system
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BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
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# kernel
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BR2_LINUX_KERNEL=y
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BR2_LINUX_KERNEL_CUSTOM_GIT=y
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BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://source.codeaurora.org/external/imx/linux-imx.git"
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BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="rel_imx_4.9.x_1.0.0_ga"
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BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
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BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/freescale/imx31_3stack/linux.fragment"
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BR2_TARGET_ROOTFS_CPIO_GZIP=y
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BR2_TARGET_ROOTFS_INITRAMFS=y
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