From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vikram Narayanan Date: Wed, 13 Jun 2012 23:10:06 +0530 Subject: [U-Boot] [PATCH] mx6: Avoid writing to read-only bits in imximage.cfg In-Reply-To: <201206131915.46468.marex@denx.de> References: <4FD75739.90007@gmail.com> <201206131427.15674.marex@denx.de> <4FD8C1F7.70701@gmail.com> <201206131915.46468.marex@denx.de> Message-ID: <4FD8D076.9020804@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hello Marek, On 6/13/2012 10:45 PM, Marek Vasut wrote: > Dear Vikram Narayanan, > >> Hello Marek, >> >> On 6/13/2012 5:57 PM, Marek Vasut wrote: >>> Dear Vikram Narayanan, >>> >>>> If in case this is valid according to the latest datasheet, ignore this >>>> patch. >>>> >>>> -- >>>> According to REV C manual, the register IOMUXC_IOMUXC_GPR4 has >>>> bits 4 and 5 read-only and the value is always set as zero. >>>> So write '0' to these bits instead of writing '1'. >>> >>> I'm acking this as writing 0 to read-only bits is the only rightous thing >>> to do. btw. how did you find this? Good catch, praise on you :-) >> : >> :) >> >> In the middle of writing a imximage.cfg file for a custom mx6 board. > > So it did manifest somehow? Still in progress. :) Regards, Vikram