From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Mon, 26 Nov 2018 13:43:36 -0500 Subject: [U-Boot] [U-Boot, v3, 02/21] Add core support for a bloblist to convey data from SPL In-Reply-To: <20181116014409.147279-3-sjg@chromium.org> References: <20181116014409.147279-3-sjg@chromium.org> Message-ID: <20181126184336.GE11247@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 Thu, Nov 15, 2018 at 06:43:50PM -0700, Simon Glass wrote: > At present there is no standard way in U-Boot to pass information from SPL > to U-Boot proper. But sometimes SPL wants to convey information to U-Boot > that U-Boot cannot easily figure out. For example, if SPL sets up SDRAM > then it might want to pass the size of SDRAM, or the location of each > bank, to U-Boot proper. > > Add a new 'bloblist' feature which provides this. A bloblist is set up in > the first phase of U-Boot that runs (i.e. TPL or SPL). The location of > this info may be in SRAM or CAR (x86 cache-as-RAM) or somewhere else. > > Information placed in this region is preserved (with a checksum) through > TPL and SPL and ends up in U-Boot. At this point it is copied into SDRAM > so it can be used after relocation. > > Reviewed-by: Tom Rini > Signed-off-by: Simon Glass > Acked-by: Andreas Dannenberg Applied to u-boot/master, thanks! -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: