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Commit bf3c4b51 authored by Tao Huang's avatar Tao Huang Committed by Heiko Stuebner
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ARM: rockchip: enable ZONE_DMA for non 64-bit capable peripherals 



Most IP cores on ARM Rockchip platforms can only address 32 bits of
physical memory for DMA. Thus ZONE_DMA should be enabled when LPAE
is activated.

Signed-off-by: default avatarTao Huang <huangtao@rock-chips.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent da45adf9

arch/arm/mach-rockchip/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -16,6 +16,7 @@ config ARCH_ROCKCHIP 
	select ROCKCHIP_TIMER

	select ROCKCHIP_TIMER

	select ARM_GLOBAL_TIMER

	select ARM_GLOBAL_TIMER

	select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK

	select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK

	select ZONE_DMA if ARM_LPAE

	help

	help

	  Support for Rockchip's Cortex-A9 Single-to-Quad-Core-SoCs

	  Support for Rockchip's Cortex-A9 Single-to-Quad-Core-SoCs

	  containing the RK2928, RK30xx and RK31xx series.
 
	  containing the RK2928, RK30xx and RK31xx series.