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Summary
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=======
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This README is about U-Boot support for Renesas's ARM Cortex-A9 based RMOBILE[1]
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and Cortex-A9/A53/A57 based R-Car[2] family of SoCs. Renesas's RMOBILE/R-Car SoC
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family contains an ARM Cortex-A9/A53/A57.
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Currently the following boards are supported:
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* KMC KZM-A9-GT [3]
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* Atmark-Techno Armadillo-800-EVA [4]
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* Renesas Electronics Lager
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* Renesas Electronics Koelsch
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* Renesas Electronics Salvator-X M3
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* Renesas Electronics Salvator-XS H3 ES2.0+
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* Renesas Electronics ULCB M3 / H3 ES2.0+
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Toolchain
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=========
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Either ARMv7 toolchain for 32bit Cortex-A9 systems or ARMv8 (aarch64)
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toolchain for 64bit Cortex-A53/A57 systems. Currently we compile the
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32bit systems with -march=armv5 to allow more compilers to work. (For
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U-Boot code this has no performance impact.)
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Currently, ELDK[5], Linaro[6], CodeSourcery[7] and Emdebian[8] supports
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ARMv7. Modern distributions also contain ARMv7 and ARMv8 crosstoolchains
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in their package feeds.
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Build
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=====
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* KZM-A9-GT
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make kzm9g_config
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make
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* Armadillo-800-EVA
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make armadillo-800eva_config
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make
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Note: Armadillo-800-EVA's U-Boot supports booting from SDcard only.
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Please see "B.2 Appendix B Boot Specifications" in hardware manual.
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* Lager
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make lager_config
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make
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* Koelsch
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make koelsch_config
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make
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* Salvator-X M3
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make r8a7796_salvator-x_defconfig
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make
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* Salvator-XS H3 ES2.0
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make r8a7795_salvator-x_defconfig
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make
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* ULCB M3
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make r8a7796_ulcb_defconfig
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make
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* ULCB H3 ES2.0
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make r8a7795_ulcb_defconfig
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make
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Links
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=====
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[1] Renesas RMOBILE:
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http://am.renesas.com/products/soc/assp/mobile/r_mobile/index.jsp
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[2] Renesas R-Car:
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http://am.renesas.com/products/soc/assp/automotive/index.jsp
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[3] KZM-A9-GT
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http://www.kmckk.co.jp/kzma9-gt/index.html
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[4] Armadillo-800-EVA
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http://armadillo.atmark-techno.com/armadillo-800-EVA
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[5] ELDK
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http://www.denx.de/wiki/view/ELDK-5/WebHome#Section_1.6.
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[6] Linaro
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http://www.linaro.org/downloads/
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[7] CodeSourcey
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http://www.mentor.com/embedded-software/codesourcery
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[8] Emdebian
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http://www.emdebian.org/crosstools.html
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