[U-Boot] [PATCH v2 1/5] sun6i: Make dram clk and zq value Kconfig options

[Ian Campbell]

On Sun, 2014-11-23 at 14:43 +0100, Hans de Goede wrote:
> It turns out that there is a too large spread between boards to handle this
> with a default value, turn this into Kconfig options, and set the values
> the factory images are using for the Colombus and Mele_M9 boards.
> 
> Note this changes the ZQ default when not overriden through defconfig from
> 120 to 123, as that is what most boards seem to actually use.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>

With one minor query:

> +config DRAM_CLK
> +	int "sun6i dram clock speed"
> +	default 312
> +	---help---
> +	Set the dram clock speed, valid range 240 - 480, must be a multiple
> +	of 24.
> [...]
> diff --git a/configs/Mele_M9_defconfig b/configs/Mele_M9_defconfig
> index 40eabce..740b931 100644
> --- a/configs/Mele_M9_defconfig
> +++ b/configs/Mele_M9_defconfig
> @@ -5,6 +5,8 @@ CONFIG_FDTFILE="sun6i-a31-m9.dtb"
>  +S:CONFIG_ARCH_SUNXI=y
>  +S:CONFIG_MACH_SUN6I=y
>  +S:CONFIG_TARGET_MELE_M9=y
> ++S:CONFIG_DRAM_CLK=312

You are overriding this to be the default, is that deliberate/necessary?

I suspect it's just to keep both or neither of CLK and ZQ explicitly
give, which is a fine reason.

Ian.