From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Tue, 10 Jan 2017 22:20:11 -0500 Subject: [U-Boot] [PATCH v2 2/4] aspeed: Add basic ast2500 specific drivers and configuration In-Reply-To: <20170110015040.42691-3-maxims@google.com> References: <20170105224214.100042-1-maxims@google.com> <20170110015040.42691-1-maxims@google.com> <20170110015040.42691-3-maxims@google.com> Message-ID: <20170111032011.GO7532@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Mon, Jan 09, 2017 at 05:50:38PM -0800, Maxim Sloyko wrote: > Clock Driver > > This driver is ast2500 specific and is not compatible with earlier > versions of this chip. The differences are not that big, but they are > in somewhat random places, so making it compatible with ast2400 is not > worth the effort at the moment. > > SDRAM MC driver > > The driver is very ast2500 specific and is completely incompatible > with previous versions of the chip. > > The memory controller is very poorly documented by Aspeed in the > datasheet, with any mention of the whole range of registers missing. The > initialization procedure has been basically taken from Aspeed SDK, where > it is implemented in assembly and rewritten in C, with very limited > understanding of what exacly it is doing. > Reviewed-by: Tom Rini -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: