Hi,
Thanks for all the reviews!
On 11/08/2014 11:25 AM, Ian Campbell wrote:
On Fri, 2014-11-07 at 20:47 +0100, Hans de Goede wrote:
Add full support for dram initialization, using a fixed clock and autodetection of the memory organization (numbers of channels, bus-width, etc.).
This is based on dram_sun6i.c and dram.h from u-boot in the Allwinner A31 SDK, extended with extra initialization sequences and the autodetect algorithm from boot0.
Signed-off-by: Hans de Goede hdegoede@redhat.com
Acked-by: Ian Campbell ijc@hellion.org.uk
- /* Bunch of magic writes performed by boot0 */
- writel(0x00400302, &mctl_com->rmcr[0]);
[...]
:-/ Have you pinged Allwinner about these/docs for these?
No, and neither for the next patch. I'll drop them a mail. In this case in the mean time I think I know what this is, this is *probably* setting up access rights / priorities for all the DRAM masters.
Regards,
Hans