[U-Boot] [PATCH] EfikaMX: Adjust undocumented magic constant in config file
Stefano Babic
sbabic at denx.de
Thu Sep 22 11:46:28 CEST 2011
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 <marek.vasut at gmail.com>
> ---
> 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
=====================================================================
More information about the U-Boot
mailing list