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* armv8/vexpress64: make multientry conditionalLinus Walleij2015-03-09-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | While the Freescale ARMv8 board LS2085A will enter U-Boot both on a master and a secondary (slave) CPU, this is not the common behaviour on ARMv8 platforms. The norm is that U-Boot is entered from the master CPU only, while the other CPUs are kept in WFI (wait for interrupt) state. The code determining which CPU we are running on is using the MPIDR register, but the definition of that register varies with platform to some extent, and handling multi-cluster platforms (such as the Juno) will become cumbersome. It is better to only enable the multiple entry code on machines that actually need it and disable it by default. Make the single entry default and add a special ARMV8_MULTIENTRY KConfig option to be used by the platforms that need multientry and set it for the LS2085A. Delete all use of the CPU_RELEASE_ADDR from the Vexpress64 boards as it is just totally unused and misleading, and make it conditional in the generic start.S code. This makes the Juno platform start U-Boot properly. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* kconfig: arm: move "armv8" define to arch/arm/KconfigMasahiro Yamada2014-11-13-6/+0
| | | | | | | | | | Commit 2e07c249a67e (kconfig: arm: introduce symbol for ARM CPUs) collected the default values of CONFIG_SYS_CPU into arch/arm/Kconfig. This commit moves "armv8" to there for consistency. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Georges Savoundararadj <savoundg@gmail.com>
* kconfig: armv8: move CONFIG_ARM64 to KconfigMasahiro Yamada2014-09-16-0/+6
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>