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authorMark Jackson <mpfj-list@mimc.co.uk>2013-03-04 01:27:20 +0000
committerTom Rini <trini@ti.com>2013-03-22 10:57:00 -0400
commitfc33705e66cc2c753026f04f92555ad00b709f11 (patch)
tree4d1b003af078b1745ae37f5320ccd7d0722d9122 /arch
parentf35034fe16871a156a9898ac6ed5a9987d91ea05 (diff)
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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')
-rw-r--r--arch/arm/include/asm/arch-am33xx/clocks_am33xx.h7
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