From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Thu, 20 Sep 2012 01:25:11 +0200 Subject: [U-Boot] [PATCH 1/6] h2200: Add support for iPAQ h2200 In-Reply-To: <505A532F.2040005@gmail.com> References: <1348083538-16123-1-git-send-email-luk0104@gmail.com> <201209200109.12888.marex@denx.de> <505A532F.2040005@gmail.com> Message-ID: <201209200125.11940.marex@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 Dear ?ukasz Da?ek, > On 20.09.2012 01:09, Marek Vasut wrote: > > Dear ?ukasz Da?ek, > > > >> On 20.09.2012 00:56, Marek Vasut wrote: > >>>> That's why I use directive .word 0xea0003fe > >>> > >>> Check some arm instruction quick ref for what 0xea0003fe really is and > >>> if it really is necessary or anything else work just fine as well. > >> > >> 0xea0003fe is a branch instruction. 0x3fe is an offset (0x3fe<< 2 + 8 = > >> 0x1000) > >> And I will left it. Bootloader checks for 4 bytes which have to be equal > >> 0xfe, 0x03, 0x00, 0xea and for 4 bytes at the offset 0x40 which have to > >> be equal E, C, E, C > > > > It checks the branch instruction? What a piece of crap ... can't you > > replace it as well? > > I can't. I would have to prepare sth like x-loader used in ti omap > processors. What? Why? > And I want to add driver for sdcard and flash and keyboard and lcd would be > nice... So I will left it as it is for now. these drivers are already in uboot > ?ukasz Da?ek Best regards, Marek Vasut