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 --- Changes in v2: - Tweaked after comments from Peter Korsgaard
arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h index d748dd2..f1a8aa7 100644 --- a/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h +++ b/arch/arm/include/asm/arch-am33xx/clocks_am33xx.h @@ -21,8 +21,11 @@
#define OSC (V_OSCK/1000000)
-/* MAIN PLL Fdll = 550 MHZ, */ -#define MPUPLL_M 550 +/* MAIN PLL Fdll = 550 MHZ, by default */ +#ifndef V_MPUCLK +#define V_MPUCLK 550000000 +#endif +#define MPUPLL_M (V_MPUCLK/1000000) #define MPUPLL_N (OSC-1) #define MPUPLL_M2 1