From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Thu, 22 Sep 2011 11:46:28 +0200 Subject: [U-Boot] [PATCH] EfikaMX: Adjust undocumented magic constant in config file In-Reply-To: <1316060217-5462-1-git-send-email-marek.vasut@gmail.com> References: <1316060217-5462-1-git-send-email-marek.vasut@gmail.com> Message-ID: <4E7B03F4.2060602@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 On 09/15/2011 06:16 AM, Marek Vasut wrote: > This magic constant with zero documentation, when it's last 8 bits are set to > 0x45, configures correctly the PERCLK dividers. Therefore the I2C operates > correctly when divider computed from PERCLK. > > Note: This constant is written to CBCDR register in > arch/arm/cpu/armv7/mx5/lowlevel_init.S, but it's written only once. The register > is accessed three more times in the file, with different values written to it > each time. > > Signed-off-by: Marek Vasut > --- > include/configs/efikamx.h | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/include/configs/efikamx.h b/include/configs/efikamx.h > index d4e77c2..1fa29d2 100644 > --- a/include/configs/efikamx.h > +++ b/include/configs/efikamx.h > @@ -284,6 +284,6 @@ > (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) > > #define CONFIG_SYS_DDR_CLKSEL 0 > -#define CONFIG_SYS_CLKTL_CBCDR 0x59E35100 > +#define CONFIG_SYS_CLKTL_CBCDR 0x59E35145 > > #endif Applied to u-boot-imx, next branch. Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de =====================================================================