From c454fab0f2a82a24631366ed3c95fd8b42c244f9 Mon Sep 17 00:00:00 2001 From: Stijn Tintel Date: Sun, 14 May 2017 03:40:11 +0200 Subject: brcm2708: enable cpufreq With cpufreq disabled, the CPU stays locked at the frequency set by the bootloader. This severely degrades performance as the bootloader sets the CPU at the lowest frequency by default. Enable cpufreq for all subtargets and use the ondemand governor. Tested bcm2708 on RPi0W. Tested bcm2709 and bcm2710 on RPi3. Reported-by: Bryan Mayland Signed-off-by: Stijn Tintel --- target/linux/brcm2708/bcm2708/config-4.9 | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'target/linux/brcm2708/bcm2708/config-4.9') diff --git a/target/linux/brcm2708/bcm2708/config-4.9 b/target/linux/brcm2708/bcm2708/config-4.9 index 96d8735b4d..7eb5a72bc9 100644 --- a/target/linux/brcm2708/bcm2708/config-4.9 +++ b/target/linux/brcm2708/bcm2708/config-4.9 @@ -1,6 +1,5 @@ # CONFIG_AIO is not set CONFIG_ALIGNMENT_TRAP=y -# CONFIG_AMBA_PL08X is not set CONFIG_ARCH_BCM=y CONFIG_ARCH_BCM2835=y CONFIG_ARCH_CLOCKSOURCE_DATA=y @@ -26,6 +25,7 @@ CONFIG_ARCH_WANT_GENERAL_HUGETLB=y CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y CONFIG_ARM=y CONFIG_ARM_AMBA=y +CONFIG_ARM_BCM2835_CPUFREQ=y CONFIG_ARM_CPU_SUSPEND=y CONFIG_ARM_ERRATA_411920=y CONFIG_ARM_HAS_SG_CHAIN=y @@ -79,6 +79,7 @@ CONFIG_CMA_SIZE_SEL_MBYTES=y CONFIG_COMMON_CLK=y CONFIG_CONFIGFS_FS=y CONFIG_CONSOLE_TRANSLATIONS=y +# CONFIG_CPUFREQ_DT is not set CONFIG_CPU_32v6=y CONFIG_CPU_32v6K=y CONFIG_CPU_ABRT_EV6=y @@ -88,6 +89,17 @@ CONFIG_CPU_CACHE_VIPT=y CONFIG_CPU_COPY_V6=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y +CONFIG_CPU_FREQ=y +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y +# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set +CONFIG_CPU_FREQ_GOV_ATTR_SET=y +CONFIG_CPU_FREQ_GOV_COMMON=y +CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y +CONFIG_CPU_FREQ_GOV_ONDEMAND=y +CONFIG_CPU_FREQ_GOV_PERFORMANCE=y +CONFIG_CPU_FREQ_GOV_POWERSAVE=y +CONFIG_CPU_FREQ_GOV_USERSPACE=y +CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_HAS_ASID=y # CONFIG_CPU_ICACHE_DISABLE is not set CONFIG_CPU_IDLE=y @@ -95,6 +107,7 @@ CONFIG_CPU_IDLE_GOV_LADDER=y CONFIG_CPU_IDLE_GOV_MENU=y CONFIG_CPU_PABRT_V6=y CONFIG_CPU_PM=y +# CONFIG_CPU_THERMAL is not set CONFIG_CPU_TLB_V6=y CONFIG_CPU_V6K=y CONFIG_CRC16=y @@ -290,7 +303,6 @@ CONFIG_PERF_USE_VMALLOC=y CONFIG_PGTABLE_LEVELS=2 CONFIG_PINCTRL=y CONFIG_PINCTRL_BCM2835=y -# CONFIG_PL330_DMA is not set CONFIG_PM=y CONFIG_PM_CLK=y # CONFIG_PM_DEBUG is not set -- cgit v1.2.3