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| author | Alexander Graf <agraf@suse.de> | 2016-03-16 15:41:23 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-27 09:12:18 -0400 |
| commit | ccd9d51ede69f08f60d9ab3c824b93ceda73afc8 (patch) | |
| tree | 437a33813d9b4d62405c81fb91b9ed6e4c87ead8 | |
| parent | f8f58fbb09bcec7a77dddbcfab62153b102ae775 (diff) | |
| download | u-boot-imx-ccd9d51ede69f08f60d9ab3c824b93ceda73afc8.zip u-boot-imx-ccd9d51ede69f08f60d9ab3c824b93ceda73afc8.tar.gz u-boot-imx-ccd9d51ede69f08f60d9ab3c824b93ceda73afc8.tar.bz2 | |
RPi: Enable caches for rpi2
Now that we have support for running with caches enabled in HYP mode,
opt in to that on the Raspberry Pi 2. This brings a significant performance
boost.
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | arch/arm/mach-bcm283x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-bcm283x/init.c | 7 | ||||
| -rw-r--r-- | include/configs/rpi_2.h | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-bcm283x/Kconfig b/arch/arm/mach-bcm283x/Kconfig index 2315a13..1a7baf6 100644 --- a/arch/arm/mach-bcm283x/Kconfig +++ b/arch/arm/mach-bcm283x/Kconfig @@ -12,6 +12,7 @@ config TARGET_RPI config TARGET_RPI_2 bool "Raspberry Pi 2" select CPU_V7 + select ARMV7_LPAE endchoice diff --git a/arch/arm/mach-bcm283x/init.c b/arch/arm/mach-bcm283x/init.c index d2d366b..4fa94db 100644 --- a/arch/arm/mach-bcm283x/init.c +++ b/arch/arm/mach-bcm283x/init.c @@ -15,3 +15,10 @@ int arch_cpu_init(void) return 0; } + +#ifdef CONFIG_ARMV7_LPAE +void enable_caches(void) +{ + dcache_enable(); +} +#endif diff --git a/include/configs/rpi_2.h b/include/configs/rpi_2.h index bea4ebd..13dc8de 100644 --- a/include/configs/rpi_2.h +++ b/include/configs/rpi_2.h @@ -10,7 +10,6 @@ #define CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_BCM2836 #define CONFIG_SYS_CACHELINE_SIZE 64 -#define CONFIG_SYS_DCACHE_OFF #include "rpi-common.h" |