| Message ID | 5130A027.1080607@mimc.co.uk |
|---|---|
| State | Superseded |
| Delegated to: | Tom Rini |
| Headers | show |
>>>>> "Mark" == Mark Jackson <mpfj-list@mimc.co.uk> writes:
Mark> Allow AM335x MPU core clock speed to be specified in the board config file.
Mark> To use, add the following to the board's config file:-
Mark> #define V_MPUCLK <desired clock freq in Hz>
Mark> Signed-off-by: Mark Jackson <mpfj@newflow.co.uk>
Mark> ---
Mark> arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 4 ++++
Mark> 1 file changed, 4 insertions(+)
Mark> diff --git a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h
Mark> index d748dd2..acfa355 100644
Mark> --- a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h
Mark> +++ b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h
Mark> @@ -22,7 +22,11 @@
Mark> #define OSC (V_OSCK/1000000)
Mark> /* MAIN PLL Fdll = 550 MHZ, */
Mark> +#ifdef V_MPUCLK
Mark> +#define MPUPLL_M (V_MPUCLK/1000000)
Mark> +#else
Mark> #define MPUPLL_M 550
Mark> +#endif
It would imho be more readable to do:
/* default to 550 MHz */
#ifndef V_MPUCLK
#define V_MPUCLK 550000000
#endif
and then always use it below.
diff --git a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h index d748dd2..acfa355 100644 --- a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h +++ b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h @@ -22,7 +22,11 @@ #define OSC (V_OSCK/1000000) /* MAIN PLL Fdll = 550 MHZ, */ +#ifdef V_MPUCLK +#define MPUPLL_M (V_MPUCLK/1000000) +#else #define MPUPLL_M 550 +#endif #define MPUPLL_N (OSC-1) #define MPUPLL_M2 1
Allow AM335x MPU core clock speed to be specified in the board config file. To use, add the following to the board's config file:- #define V_MPUCLK <desired clock freq in Hz> Signed-off-by: Mark Jackson <mpfj@newflow.co.uk> --- arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 4 ++++ 1 file changed, 4 insertions(+)