OMAP3 timer handling to 1ms tick and CONFIG_SYS_HZ to 1000.

Clean up macros and comments.

5 files changed, 27 insertions, 29 deletions

diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 90576060e40..2f30783a838 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -220,14 +220,15 @@
 							/* load address */
 
 /*
- * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
- * 32KHz clk, or from external sig. This rate is divided by a local divisor.
+ * OMAP3 has 12 GP timers, they can be driven by the system clock
+ * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
+ * This rate is divided by a local divisor.
  */
-#define V_PVT				7
 
 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
-#define CONFIG_SYS_PVT			V_PVT	/* 2^(pvt+1) */
-#define CONFIG_SYS_HZ			((V_SCLK) / (2 << CONFIG_SYS_PVT))
+#define CONFIG_SYS_PVT			2	/* Divisor: 2^(PVT+1) => 8 */
+#define CONFIG_SYS_HZ			1000
+
 
 /*-----------------------------------------------------------------------
  * Stack sizes
diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h
index 6283d59ae44..fb8a424699b 100644
--- a/include/configs/omap3_evm.h
+++ b/include/configs/omap3_evm.h
@@ -222,14 +222,13 @@
 								/* address */
 
 /*
- * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
- * 32KHz clk, or from external sig. This rate is divided by a local divisor.
+ * OMAP3 has 12 GP timers, they can be driven by the system clock
+ * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
+ * This rate is divided by a local divisor.
  */
-#define V_PVT				7
-
-#define CONFIG_SYS_TIMERBASE		OMAP34XX_GPT2
-#define CONFIG_SYS_PVT			V_PVT	/* 2^(pvt+1) */
-#define CONFIG_SYS_HZ			((V_SCLK) / (2 << CONFIG_SYS_PVT))
+#define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
+#define CONFIG_SYS_PVT			2	/* Divisor: 2^(PVT+1) => 8 */
+#define CONFIG_SYS_HZ			1000
 
 /*-----------------------------------------------------------------------
  * Stack sizes
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index dee0417de9d..45e5478de00 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -213,14 +213,14 @@
 								/* address */
 
 /*
- * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
- * 32KHz clk, or from external sig. This rate is divided by a local divisor.
+ * OMAP3 has 12 GP timers, they can be driven by the system clock
+ * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
+ * This rate is divided by a local divisor.
  */
-#define V_PVT				7
 
 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
-#define CONFIG_SYS_PVT			V_PVT	/* 2^(pvt+1) */
-#define CONFIG_SYS_HZ			((V_SCLK) / (2 << CONFIG_SYS_PVT))
+#define CONFIG_SYS_PVT			2	/* Divisor: 2^(PVT+1) => 8 */
+#define CONFIG_SYS_HZ			1000
 
 /*-----------------------------------------------------------------------
  * Stack sizes
diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h
index 00c03746444..4ed837338b2 100644
--- a/include/configs/omap3_pandora.h
+++ b/include/configs/omap3_pandora.h
@@ -215,14 +215,13 @@
 								/* address */
 
 /*
- * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
- * 32KHz clk, or from external sig. This rate is divided by a local divisor.
+ * OMAP3 has 12 GP timers, they can be driven by the system clock
+ * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
+ * This rate is divided by a local divisor.
  */
-#define V_PVT				7
-
 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
-#define CONFIG_SYS_PVT			V_PVT	/* 2^(pvt+1) */
-#define CONFIG_SYS_HZ			((V_SCLK) / (2 << CONFIG_SYS_PVT))
+#define CONFIG_SYS_PVT			2	/* Divisor: 2^(PVT+1) => 8 */
+#define CONFIG_SYS_HZ			1000
 
 /*-----------------------------------------------------------------------
  * Stack sizes
diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h
index f8ae1639478..0185fa696f3 100644
--- a/include/configs/omap3_zoom1.h
+++ b/include/configs/omap3_zoom1.h
@@ -222,14 +222,13 @@
 							/* load address */
 
 /*
- * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
- * 32KHz clk, or from external sig. This rate is divided by a local divisor.
+ * OMAP3 has 12 GP timers, they can be driven by the system clock
+ * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
+ * This rate is divided by a local divisor.
  */
-#define V_PVT				7
-
 #define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
-#define CONFIG_SYS_PVT			V_PVT	/* 2^(pvt+1) */
-#define CONFIG_SYS_HZ			((V_SCLK) / (2 << CONFIG_SYS_PVT))
+#define CONFIG_SYS_PVT			2	/* Divisor: 2^(PVT+1) => 8 */
+#define CONFIG_SYS_HZ			1000
 
 /*-----------------------------------------------------------------------
  * Stack sizes