From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrik =?ISO-8859-1?Q?Nordstr=F6m?= Date: Fri, 14 Mar 2014 17:28:30 +0100 Subject: [U-Boot] [linux-sunxi] Re: [PATCH v1 3/9] sunxi: initial sun7i dram setup support In-Reply-To: <20140314141707.GG16360@bill-the-cat> References: <1394793212.13270.89.camel@hastur.hellion.org.uk> <1394793231-11922-3-git-send-email-ijc@hellion.org.uk> <20140314141707.GG16360@bill-the-cat> Message-ID: <1394814510.13238.8.camel@localhost> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de fre 2014-03-14 klockan 10:17 -0400 skrev Tom Rini: > And as for the rest of the code, lots of magic numbers to #define > what/why (why udelay(2) and 22?) Unfortunately the only documentation we have on the sun7i DRAM controller is Allwinner boot0 + boot1 code, and that code uses.. magic numbers & shifts with no explanations. We have guessed some small bits, but a lot is completely unknown. Regards Henriki