From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aneesh V Date: Fri, 04 Mar 2011 14:19:50 +0530 Subject: [U-Boot] [PATCH 01/22] mkimage: Add OMAP boot image support In-Reply-To: References: <1298893591-17636-1-git-send-email-aneesh@ti.com> <1298893591-17636-2-git-send-email-aneesh@ti.com> <4D6D077C.9030905@ti.com> Message-ID: <4D70A7AE.7010702@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Vaibhav, On Friday 04 March 2011 10:57 AM, Bedia, Vaibhav wrote: > Aneesh, > > On Tuesday, March 01, 2011 8:34 PM, Bedia, Vaibhav wrote: >> On Tuesday, March 01, 2011 8:20 PM, V, Aneesh wrote: >>> >>> For OMAP4: >>> 1. An 8 byte GP header is enough for booting from external >>> MMC FAT partition >>> 2. A dummy CH with a dummy CHSETTINGS is essential for booting >>> from the RAW partition of eMMC or external MMC. This >>> works for FAT booting too. >>> 3. A full configuration with proper CHSETTINGS and CHRAM will >>> help us in directly booting from SDRAM avoiding the SPL, >>> but this is not supported on all revisions of OMAP3/4 >>> >>> IMHO, let's have one image type(what John has created now) for >>> (1) and (2). It doesn't really harm to have 512 bytes of >>> additional header attached to your image when it makes it >>> suitable for different types of booting. >>> >>> For 3, if that is supported in U-Boot in future, we will need >>> a new image type, maybe something like omapchimage. >>> >>> Let me know if you had any special considerations for your >>> SoC. >> >> I will have to check if the additional 512 bytes will cause a >> problem for TI81XX GP devices. We haven't tried with the extra >> 512 bytes yet. >> > > I checked the image with the additional 512bytes on TI81XX. It does not work. > > If its fine with you I'll work on using a version flag for attaching the 512byte. > How about something on the lines of what was done for imximage did recently? I really don't know what this scheme is. But if it works it will be really great. Best regards, Aneesh