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authorimp <imp@FreeBSD.org>2012-05-29 03:23:18 +0000
committerimp <imp@FreeBSD.org>2012-05-29 03:23:18 +0000
commit0a32ad9a42bf3a9fb12e434a103a329932670181 (patch)
treef5d0127abe14a408f0d0203046a818dcdc562ddd /sys/arm/at91/at91var.h
parent2616fac7a2c890a651e7fd1282689b94bcfc1616 (diff)
downloadFreeBSD-src-0a32ad9a42bf3a9fb12e434a103a329932670181.zip
FreeBSD-src-0a32ad9a42bf3a9fb12e434a103a329932670181.tar.gz
Compute the master clock frequency, so we no longer need to have it
compiled into the kernel. This allows us to boot the same kernel on machines with different master clock frequencies, so long as we can determine the main clock frequency accurately. Cleanup the pmc clock init function so it can be called in early boot so we can use the serial port just after we call cninit. # We have two calls to at91_pmc_clock_init for reasons unknown, that will # be fixed later -- it is harmless for now.
Diffstat (limited to 'sys/arm/at91/at91var.h')
-rw-r--r--sys/arm/at91/at91var.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/arm/at91/at91var.h b/sys/arm/at91/at91var.h
index 9bd0265..be82eee 100644
--- a/sys/arm/at91/at91var.h
+++ b/sys/arm/at91/at91var.h
@@ -97,4 +97,6 @@ at91_cpu_is(u_int cpu)
extern uint32_t at91_irq_system;
extern uint32_t at91_master_clock;
+void at91_pmc_init_clock(void);
+
#endif /* _AT91VAR_H_ */
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