From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Behme Date: Tue, 12 Jun 2012 17:05:02 +0200 Subject: [U-Boot] [PATCH] mx6: Avoid writing to read-only bits in imximage.cfg In-Reply-To: <4FD75739.90007@gmail.com> References: <4FD75739.90007@gmail.com> Message-ID: <4FD75A9E.60405@de.bosch.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 12.06.2012 16:50, Vikram Narayanan wrote: > 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'. Jason, Fabio: What do you think? You should be the datasheet 'masters' ;) Best regards Dirk > Signed-off-by: Vikram Narayanan > Cc: Jason Liu > Cc: Dirk Behme > --- > board/freescale/mx6qarm2/imximage.cfg | 2 +- > board/freescale/mx6qsabrelite/imximage.cfg | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/board/freescale/mx6qarm2/imximage.cfg b/board/freescale/mx6qarm2/imximage.cfg > index ceecbf9..bf941a3 100644 > --- a/board/freescale/mx6qarm2/imximage.cfg > +++ b/board/freescale/mx6qarm2/imximage.cfg > @@ -167,7 +167,7 @@ DATA 4 0x020c407c 0x0F0000C3 > DATA 4 0x020c4080 0x000003FF > > # enable AXI cache for VDOA/VPU/IPU > -DATA 4 0x020e0010 0xF00000FF > +DATA 4 0x020e0010 0xF00000CF > # set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 > DATA 4 0x020e0018 0x007F007F > DATA 4 0x020e001c 0x007F007F > diff --git a/board/freescale/mx6qsabrelite/imximage.cfg b/board/freescale/mx6qsabrelite/imximage.cfg > index c389427..62498ab 100644 > --- a/board/freescale/mx6qsabrelite/imximage.cfg > +++ b/board/freescale/mx6qsabrelite/imximage.cfg > @@ -164,7 +164,7 @@ DATA 4 0x020c407c 0x0F0000C3 > DATA 4 0x020c4080 0x000003FF > > # enable AXI cache for VDOA/VPU/IPU > -DATA 4 0x020e0010 0xF00000FF > +DATA 4 0x020e0010 0xF00000CF > # set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 > DATA 4 0x020e0018 0x007F007F > DATA 4 0x020e001c 0x007F007F