rockchip: arm64: rk3399: support DDR3-1866 (i.e. 933MHz clock)
authorPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>
Wed, 31 May 2017 16:16:35 +0000 (18:16 +0200)
committerSimon Glass <sjg@chromium.org>
Wed, 7 Jun 2017 13:29:23 +0000 (07:29 -0600)
commitfcb21585169c0bf800a143ceb1b91a323c9d1261
treebe6a9f103133eeb11231d095c7830bb5c5793e8e
parentfbecb94e4b06a385adc860870ebd64e57f521b9f
rockchip: arm64: rk3399: support DDR3-1866 (i.e. 933MHz clock)

The RK3399 is capable of driving DDR3 at 933MHz (i.e. DDR3-1866),
if the PCB layout permits and appropriate memory timings are used.

This changes the sanity checks to allow a DTS to request DDR3-1866
operation.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
arch/arm/mach-rockchip/rk3399/sdram_rk3399.c