On 22.09.2012 20:21, Marek Vasut wrote:
+{
+ writel(val, addr);
+ asm volatile("" : : : "memory");
+ readl(addr);
+ asm volatile("" : : : "memory");
+}
+
+static void h2200_pxa2xx_dram_init(void)
Why do you duplicate it ?!
[...]
Because code in pxa2xx.c disable and then re-enable memory.
And u-boot is executed from memory (1st stage bootloder
copied it there).
So don't reinit the memory at all, just skip this whole part.
1st stage loader doesn't init everything (for example MSC).
So I checked ... every board calls the dram init on it's own in
dram_init() ... so just don't do that.
Do what? Don't call modified pxa2xx_dram_init?
What exactly do you need to do ? What registers do you need to set ? How come
the bootloader kick dram in, but won't configure MSC ?
Split out the MSC config and memory config maybe ?
Ok, I will rewrite that.
Łukasz Dałek
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