Dear Gerlando Falauto,
> Dear Maruk,
>
> I am currently trying to address the exact same issue (SDRAM size
> detection and fixup).
> My idea was however (as opposed to moving register definition as you
> did), to add a fixup function to dram.c, say:
>
> /*
> * kw_sdram_bs - writes SDRAM Bank size
> */
> void kw_sdram_bs_set(enum memory_bank bank, u32 size)
> {
> /* Read current register value */
> u32 reg = readl(KW_REG_CPUCS_WIN_SZ(bank));
>
> printf("Current value: %x\n", reg);
> /* Clear window size */
> reg &= ~KW_REG_CPUCS_WIN_SIZE(0xFF);
>
> /* Set new window size */
> reg |= KW_REG_CPUCS_WIN_SIZE((size - 1) >> 24);
>
> printf("Writing: %x\n", reg);
> writel(reg, KW_REG_CPUCS_WIN_SZ(bank));
> }
>
> which would then be called to fix the window size according to the total
> memory size as reported by get_ram_size().
Read up at [1].
http://comments.gmane.org/gmane.comp.boot-loaders.u-boot/133991
> What do you think?
>
> Thank you,
> Gerlando
Best regards,
Marek Vasut
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