[U-Boot] [PATCH] Allow AM335x MPU core clock speed to be specified in the board config file
Mark Jackson
mpfj-list at mimc.co.uk
Fri Mar 1 13:33:43 CET 2013
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 at newflow.co.uk>
---
arch/arm/include/asm/arch-am33xx/clocks_am33xx.h | 4 ++++
1 file changed, 4 insertions(+)
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
--
1.7.9.5
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