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diff --git a/roms/u-boot/doc/README.rmobile b/roms/u-boot/doc/README.rmobile new file mode 100644 index 000000000..ea170a25a --- /dev/null +++ b/roms/u-boot/doc/README.rmobile @@ -0,0 +1,98 @@ +Summary +======= + +This README is about U-Boot support for Renesas's ARM Cortex-A9 based RMOBILE[1] +and Cortex-A9/A53/A57 based R-Car[2] family of SoCs. Renesas's RMOBILE/R-Car SoC +family contains an ARM Cortex-A9/A53/A57. + +Currently the following boards are supported: + +| SoC | Board | defconfig +|===============+========================================+=================== +| R8A73A0 | KMC KZM-A9-GT [3] | kzm9g_config +| R8A7734 | Atmark-Techno Armadillo-800-EVA [4] | armadillo-800eva_config +|===============+========================================+=================== +| R8A7790 H2 | Renesas Electronics Lager | lager_defconfig +| | Renesas Electronics Stout | stout_defconfig +|---------------+----------------------------------------+------------------- +| R8A7791 M2-W | Renesas Electronics Koelsch | koelsch_defconfig +| | Renesas Electronics Porter | porter_defconfig +|---------------+----------------------------------------+------------------- +| R8A7792 V2H | Renesas Electronics Blanche | blanche_defconfig +|---------------+----------------------------------------+------------------- +| R8A7793 M2-N | Renesas Electronics Gose | gose_defconfig +|---------------+----------------------------------------+------------------- +| R8A7794 E2 | Renesas Electronics Alt | alt_defconfig +| | Renesas Electronics Silk | silk_defconfig +|===============+========================================+=================== +| R8A7795 H3 | Renesas Electronics Salvator-XS ES2.0+ | r8a7795_salvator-x_defconfig +| R8A7795 H3 | Renesas Electronics ULCB ES2.0+ | r8a7795_ulcb +|---------------+----------------------------------------+------------------- +| R8A7796 M3-W | Renesas Electronics Salvator-X | r8a7796_salvator-x_defconfig +| R8A7796 M3-W | Renesas Electronics ULCB | r8a7796_ulcb +|---------------+----------------------------------------+------------------- +| R8A77965 M3-N | Renesas Electronics Salvator-XS | r8a77965_salvator-x_defconfig +| R8A77965 M3-N | Renesas Electronics ULCB | r8a77965_ulcb +|---------------+----------------------------------------+------------------- +| R8A77970 V3M | Renesas Electronics Eagle | r8a77970_eagle_defconfig +|---------------+----------------------------------------+------------------- +| R8A77995 D3 | Renesas Electronics Draak | r8a77995_draak_defconfig +'===============+========================================+=================== + +Toolchain +========= + +Either ARMv7 toolchain for 32bit Cortex-A9 systems or ARMv8 (aarch64) +toolchain for 64bit Cortex-A53/A57 systems. Currently we compile the +32bit systems with -march=armv5 to allow more compilers to work. (For +U-Boot code this has no performance impact.) + +Currently, ELDK[5], Linaro[6], CodeSourcery[7] and Emdebian[8] supports +ARMv7. Modern distributions also contain ARMv7 and ARMv8 crosstoolchains +in their package feeds. + +Build +===== + +Locate defconfig in the table above. Then apply standard build procedure: + + make <board>_defconfig + make + + Note: Armadillo-800-EVA's U-Boot supports booting from SDcard only. + Please see "B.2 Appendix B Boot Specifications" in hardware manual. + +Links +===== + +[1] Renesas RMOBILE: + +http://am.renesas.com/products/soc/assp/mobile/r_mobile/index.jsp + +[2] Renesas R-Car: + +http://am.renesas.com/products/soc/assp/automotive/index.jsp + +[3] KZM-A9-GT + +http://www.kmckk.co.jp/kzma9-gt/index.html + +[4] Armadillo-800-EVA + +http://armadillo.atmark-techno.com/armadillo-800-EVA + +[5] ELDK + +http://www.denx.de/wiki/view/ELDK-5/WebHome#Section_1.6. + +[6] Linaro + +http://www.linaro.org/downloads/ + +[7] CodeSourcey + +http://www.mentor.com/embedded-software/codesourcery + +[8] Emdebian + +http://www.emdebian.org/crosstools.html |