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ARM: rockchip: enable ZONE_DMA for non 64-bit capable peripherals

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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: Tao Huang <huangtao@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Tao Huang 2017-07-28 14:40:02 +08:00 committed by Heiko Stuebner
parent da45adf97f
commit bf3c4b517c
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-rockchip/Kconfig
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@ -16,6 +16,7 @@ config ARCH_ROCKCHIP
select ROCKCHIP_TIMER
select ARM_GLOBAL_TIMER
select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
select ZONE_DMA if ARM_LPAE
help
Support for Rockchip's Cortex-A9 Single-to-Quad-Core-SoCs
containing the RK2928, RK30xx and RK31xx series.