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From: Jan Luebbe <jlu@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH] am33xx-clock: configure PLLs based on oscillator frequency
Date: Wed, 17 Apr 2013 15:17:11 +0200	[thread overview]
Message-ID: <1366204631-2792-1-git-send-email-jlu@pengutronix.de> (raw)

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---
 arch/arm/mach-omap/include/mach/am33xx-clock.h | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mach-omap/include/mach/am33xx-clock.h b/arch/arm/mach-omap/include/mach/am33xx-clock.h
index 39c107f..f496756 100644
--- a/arch/arm/mach-omap/include/mach/am33xx-clock.h
+++ b/arch/arm/mach-omap/include/mach/am33xx-clock.h
@@ -31,12 +31,12 @@
 #define MPUPLL_M_600	600	/* 125 * n */
 #define MPUPLL_M_720	720	/* 125 * n */
 
-#define MPUPLL_N	23	/* (n -1 ) */
+#define MPUPLL_N	(OSC-1)
 #define MPUPLL_M2	1
 
 /* Core PLL Fdll = 1 GHZ, */
 #define COREPLL_M	1000	/* 125 * n */
-#define COREPLL_N	23	/* (n -1 ) */
+#define COREPLL_N	(OSC-1)
 
 #define COREPLL_M4	10	/* CORE_CLKOUTM4 = 200 MHZ */
 #define COREPLL_M5	8	/* CORE_CLKOUTM5 = 250 MHZ */
@@ -48,19 +48,14 @@
  * For clkout = 192 MHZ, Fdll = 960 MHZ, divider values are given below
  */
 #define PERPLL_M	960
-#define PERPLL_N	23
+#define PERPLL_N	(OSC-1)
 #define PERPLL_M2	5
 
-/* DDR Freq is 166 MHZ for now*/
+/* DDR Freq is 266 MHZ for now*/
 /* Set Fdll = 400 MHZ , Fdll = M * 2 * CLKINP/ N + 1; clkout = Fdll /(2 * M2) */
 //#if	(CONFIG_AM335X_EVM_IS_13x13 == 1)
-#if 0
-#define DDRPLL_M	166	/* M/N + 1 = 25/3 */
-#else
 #define DDRPLL_M	266
-#endif
-
-#define DDRPLL_N	23
+#define DDRPLL_N	(OSC-1)
 #define DDRPLL_M2	1
 
 /* PRCM */
-- 
1.8.2.rc2


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             reply	other threads:[~2013-04-17 13:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-17 13:17 Jan Luebbe [this message]
2013-04-18  6:24 ` Sascha Hauer

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