From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Tue, 30 Nov 2004 12:55:32 +0100 Subject: [U-Boot-Users] u-boot for pxa255 In-Reply-To: Your message of "Tue, 30 Nov 2004 16:09:15 +0530." Message-ID: <20041130115537.2D102C1430@atlas.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de In message you wrote: > > Now to boot from the image, I'm planning to do the following, > > 1> Copy the Image from the flash to the RAM, > 2> and then give the control to the image location in RAM (using the > bootm command). No. "bootm" will automatically load the image no matter where it is. There is no need for an additional copy to RAM. > Finally the board has to boot from the harddisk, and the IDE is > interfaced to the CPU through GPIOs, > Is there any code in which the IDE initialization is done using the > GPIOs, since we are not getting how to give the IDE_BASE_ADDR. All existing code assumes that there is a way to access the IDE controll, status and data registers. I have no idea what you mean by "using GPIOs" or how you can access an IDE controller that way. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de If the hours are long enough and the pay is short enough, someone will say it's women's work.