35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 8ce1c02d02fa8a9e50124e3237c2e01ae73c248c Mon Sep 17 00:00:00 2001
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From: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
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Date: Wed, 8 Mar 2017 16:58:27 +0100
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Subject: [PATCH 06/15] FOC: adjust panda timer to version A6
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A6 runs at 800 not 700 MHz (as the ES2 does) when bootstrapped by U-boot
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(thanks to mstein)
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---
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.../fiasco/src/kern/arm/bsp/omap/timer-arm-mptimer-omap4.cpp | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/kernel/fiasco/src/kern/arm/bsp/omap/timer-arm-mptimer-omap4.cpp b/kernel/fiasco/src/kern/arm/bsp/omap/timer-arm-mptimer-omap4.cpp
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index 72ef9b90..c0aef990 100644
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--- a/kernel/fiasco/src/kern/arm/bsp/omap/timer-arm-mptimer-omap4.cpp
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+++ b/kernel/fiasco/src/kern/arm/bsp/omap/timer-arm-mptimer-omap4.cpp
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@@ -4,5 +4,13 @@ INTERFACE [arm && mptimer && pf_omap4_pandaboard]:
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EXTENSION class Timer
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{
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private:
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- static Mword interval() { return 499999; }
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+ static Mword interval()
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+ {
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+ /*
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+ * This is only valid for Panda A6, as we run it at our offices. For A6
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+ * U-Boot will clock the board at 800 MHz leading to a 400 MHz private timer
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+ * tick.
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+ */
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+ return 399999;
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+ }
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};
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--
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2.11.0
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