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linux-omap2: Add from OE for beagleboard

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git-svn-id: https://svn.o-hand.com/repos/poky/trunk@4869 311d38ba-8fff-0310-9ca6-ca027cbcb966
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Richard Purdie
2008-07-18 08:35:45 +00:00
parent e9ebcc4c19
commit 78fc9af3a9
33 changed files with 89332 additions and 0 deletions
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95
meta/packages/linux/linux-omap2-git/beagleboard/omap3-jitter.patch Normal file
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@@ -0,0 +1,95 @@
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Date: Tue, 24 Jun 2008 01:11:21 -0600 (MDT)
From: Paul Walmsley <paul@pwsan.com>
To: linux-omap@vger.kernel.org
Subject: [PATCH] OMAP3 clock: fix DPLL jitter correction and rate
programming
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Fix DPLL jitter correction programming. Previously,
omap3_noncore_dpll_program() stored the FREQSEL jitter correction
parameter to the wrong register. This caused jitter correction to be set
incorrectly and also caused the DPLL divider to be programmed incorrectly.
Also, fix DPLL divider programming. An off-by-one error existed in
omap3_noncore_dpll_program(), causing DPLLs to be programmed with a higher
divider than intended.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
arch/arm/mach-omap2/clock34xx.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 408b51a..8fdf8f3 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -346,14 +346,17 @@ static int omap3_noncore_dpll_program(struct clk *clk, u16 m, u8 n, u16 freqsel)
/* 3430 ES2 TRM: 4.7.6.9 DPLL Programming Sequence */
_omap3_noncore_dpll_bypass(clk);
+ /* Set jitter correction */
+ v = __raw_readl(dd->control_reg);
+ v &= ~dd->freqsel_mask;
+ v |= freqsel << __ffs(dd->freqsel_mask);
+ __raw_writel(v, dd->control_reg);
+
+ /* Set DPLL multiplier, divider */
v = __raw_readl(dd->mult_div1_reg);
v &= ~(dd->mult_mask | dd->div1_mask);
-
- /* Set mult (M), div1 (N), freqsel */
v |= m << __ffs(dd->mult_mask);
- v |= n << __ffs(dd->div1_mask);
- v |= freqsel << __ffs(dd->freqsel_mask);
-
+ v |= (n - 1) << __ffs(dd->div1_mask);
__raw_writel(v, dd->mult_div1_reg);
/* We let the clock framework set the other output dividers later */
--
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