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In order for noncached_init() to operate correctly, SoCs must set up a custom page table with fine-grained (2MiB) sections, which can be configured from noncached_init(). This is currently performed by arch/arm/cpu/armv8/{fsl-lsch3,zynqmp}/cpu.c by cut/pasting and re-implementing mmu_setup, enable_caches(), etc. There are some other reasons for the duplication there though, such as enabling icache early, and enabling dcaching earlier with a different configuration. This change makes mmu_setup() a weak implementation, so that the MMU setup code can be replaced without having to duplicate other code that calls it. Signed-off-by: Stephen Warren <swarren@nvidia.com> |
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.. | ||
cpu | ||
dts | ||
imx-common | ||
include | ||
lib | ||
mach-at91 | ||
mach-bcm283x | ||
mach-davinci | ||
mach-exynos | ||
mach-highbank | ||
mach-integrator | ||
mach-keystone | ||
mach-kirkwood | ||
mach-mvebu | ||
mach-orion5x | ||
mach-rockchip | ||
mach-socfpga | ||
mach-tegra | ||
mach-uniphier | ||
mach-versatile | ||
mach-zynq | ||
mvebu-common | ||
thumb1/include/asm/proc-armv | ||
config.mk | ||
Kconfig | ||
Kconfig.debug | ||
Makefile |