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| author | Mark Jackson <mpfj-list@mimc.co.uk> | 2013-03-04 01:27:20 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-03-22 10:57:00 -0400 |
| commit | fc33705e66cc2c753026f04f92555ad00b709f11 (patch) | |
| tree | 4d1b003af078b1745ae37f5320ccd7d0722d9122 /arch/arm | |
| parent | f35034fe16871a156a9898ac6ed5a9987d91ea05 (diff) | |
| download | u-boot-imx-fc33705e66cc2c753026f04f92555ad00b709f11.zip u-boot-imx-fc33705e66cc2c753026f04f92555ad00b709f11.tar.gz u-boot-imx-fc33705e66cc2c753026f04f92555ad00b709f11.tar.bz2 | |
Allow AM335x MPU core clock speed to be specified in the board config file
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 CONFIG_SYS_MPUCLK <desired clock freq in MHz>
Signed-off-by: Mark Jackson <mpfj@newflow.co.uk>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 7 |
1 files 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..2d96007 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 CONFIG_SYS_MPUCLK +#define CONFIG_SYS_MPUCLK 550 +#endif +#define MPUPLL_M CONFIG_SYS_MPUCLK #define MPUPLL_N (OSC-1) #define MPUPLL_M2 1 |