[U-Boot] [U-Boot, v2, 4/8] rockchip: rk3368: add sdram driver for U-Boot

[Philipp Tomsich]

> Add sdram driver in U-Boot for get the correct sdram size from
> sys_reg, so that U-Boot can co-work with Rockchip loader or SPL
> to get different dram capability and then tell the kernel.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
> Changes in v2: None
> 
>  arch/arm/include/asm/arch-rockchip/grf_rk3368.h |  4 +-
>  arch/arm/mach-rockchip/rk3368/Makefile          |  1 +
>  arch/arm/mach-rockchip/rk3368/sdram_rk3368.c    | 60 +++++++++++++++++++++++++
>  3 files changed, 64 insertions(+), 1 deletion(-)
>  create mode 100644 arch/arm/mach-rockchip/rk3368/sdram_rk3368.c
> 

Applied to u-boot-rockchip/next, thanks!