From c11c3212f0d6ec092e79f0481e47217d1147b3ba Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sat, 9 Oct 2010 20:58:50 +0000
Subject: [PATCH] Add clock initialization logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2985 42af7a65-404d-4744-a932-0658087f49c3
---
 ChangeLog                              |  10 +
 Documentation/NuttX.html               |  12 +-
 arch/avr/src/at91uc3/Make.defs         |   3 +-
 arch/avr/src/at91uc3/at91uc3_clkinit.c | 134 +++++++++++
 arch/avr/src/at91uc3/at91uc3_pm.h      | 300 +++++++++++++++++++++++++
 5 files changed, 457 insertions(+), 2 deletions(-)
 create mode 100644 arch/avr/src/at91uc3/at91uc3_clkinit.c
 create mode 100755 arch/avr/src/at91uc3/at91uc3_pm.h

diff --git a/ChangeLog b/ChangeLog
index d2ae952ac7..8d8d37a1cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1290,3 +1290,13 @@
 
 5.12 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
 
+	* arch/avr - Add a place to support AVR family processors.
+	* arch/avr/include/avr32 and arch/avr/src/avr32 - Add support for AVR32
+	  (all of the AVR32 is a work in progress).
+	* arch/avr/include/at91uc3 and arch/avr/src/at91uc3 - Add support
+	  for the AT91 UC3A/B family of AVR32 MCUs.
+	* confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring
+	  the AT91UC3B0256 MCU.  This board is produced by www.mcuzone.com.
+	* include/stdlib.h, lib/Makefile and lib/lib_abs.c - Add abs().
+
+
diff --git a/Documentation/NuttX.html b/Documentation/NuttX.html
index 89170b1b39..9f1fd03aae 100644
--- a/Documentation/NuttX.html
+++ b/Documentation/NuttX.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: October 1, 2010</p>
+      <p>Last Updated: October 9, 2010</p>
     </td>
   </tr>
 </table>
@@ -1907,6 +1907,16 @@ buildroot-1.8 2009-12-21 &lt;spudmonkey@racsa.co.cr&gt;
 <ul><pre>
 nuttx-5.12 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 
+	* arch/avr - Add a place to support AVR family processors.
+	* arch/avr/include/avr32 and arch/avr/src/avr32 - Add support for AVR32
+	  (all of the AVR32 is a work in progress).
+	* arch/avr/include/at91uc3 and arch/avr/src/at91uc3 - Add support
+	  for the AT91 UC3A/B family of AVR32 MCUs.
+	* confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring
+	  the AT91UC3B0256 MCU.  This board is produced by www.mcuzone.com.
+	* include/stdlib.h, lib/Makefile and lib/lib_abs.c - Add abs().
+
+
 pascal-2.1 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 
 buildroot-1.9 2010-xx-xx <spudmonkey@racsa.co.cr>
diff --git a/arch/avr/src/at91uc3/Make.defs b/arch/avr/src/at91uc3/Make.defs
index 88083f6fe5..10b5cc8f8c 100755
--- a/arch/avr/src/at91uc3/Make.defs
+++ b/arch/avr/src/at91uc3/Make.defs
@@ -50,7 +50,8 @@ CMN_CSRCS	= up_assert.c up_blocktask.c up_copystate.c up_createstack.c \
 # Required AT91UC3 files
 
 CHIP_ASRCS	=
-CHIP_CSRCS	= at91uc3_lowconsole.c at91uc3_lowinit.c at91uc3_serial.c
+CHIP_CSRCS	= at91uc3_clkinit.c at91uc3_lowconsole.c at91uc3_lowinit.c \
+		  at91uc3_serial.c
 
 # Configuration-dependent AT91UC3 files
 
diff --git a/arch/avr/src/at91uc3/at91uc3_clkinit.c b/arch/avr/src/at91uc3/at91uc3_clkinit.c
new file mode 100644
index 0000000000..263fe5b236
--- /dev/null
+++ b/arch/avr/src/at91uc3/at91uc3_clkinit.c
@@ -0,0 +1,134 @@
+/**************************************************************************
+ * arch/avr/src/at91uc3/at91uc3_clkinit.c
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ **************************************************************************/
+
+/**************************************************************************
+ * Included Files
+ **************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+
+#include "at91uc3_config.h"
+#include "up_internal.h"
+#include "at91uc3_internal.h"
+#include "at91uc3_pm.h"
+
+/**************************************************************************
+ * Private Definitions
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Types
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Function Prototypes
+ **************************************************************************/
+
+/**************************************************************************
+ * Global Variables
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Variables
+ **************************************************************************/
+
+/**************************************************************************
+ * Private Functions
+ **************************************************************************/
+
+/**************************************************************************
+ * Public Functions
+ **************************************************************************/
+
+/************************************************************************************
+ * Name: up_clkinit
+ *
+ * Description:
+ *   Initialiaze clock/PLL settings per the definitions in the board.h file.
+ *
+ ************************************************************************************/
+
+void up_clkinitialize(void)
+{
+  uint32_t regval;
+
+  /* Enable OSC0 in the correct crystal mode by setting the mode value in OSCCTRL0 */
+
+  regval  = getreg32(AVR32_PM_OSCCTRL0);
+  regval &= ~PM_OSCCTRL_MODE_MASK;
+#if AVR32_FOSC0 < 900000
+  regval |= PM_OSCCTRL_MODE_XTALp9;  /* Crystal XIN 0.4-0.9MHz */
+#elif AVR32_FOSC0 < 3000000
+  regval |= PM_OSCCTRL_MODE_XTAL3;   /* Crystal XIN 0.9-3.0MHz */
+#elif AVR32_FOSC0 < 8000000
+  regval |= PM_OSCCTRL_MODE_XTAL8;   /* Crystal XIN 3.0-8.0MHz */
+#else
+  regval |= PM_OSCCTRL_MODE_XTALHI;  /* Crystal XIN above 8.0MHz */
+#endif
+  putreg32(regval, AVR32_PM_OSCCTRL0);
+
+  /* Enable CLK 0 using the startup time provided in board.h.  This startup time
+   * is critical and depends on the characteristics of the crystal.
+   */
+
+  regval  = getreg32(AVR32_PM_OSCCTRL0);
+  regval &= ~PM_OSCCTRL_STARTUP_MASK;
+  regval |= (AVR32_OSC0STARTUP << PM_OSCCTRL_STARTUP_SHIFT);
+  putreg32(regval, AVR32_PM_OSCCTRL0);
+
+  /* Enabled OSC0 */
+
+  regval = getreg32(AVR32_PM_MCCTRL);
+  regval |= PM_MCCTRL_OSC0EN;
+  putreg32(regval, AVR32_PM_MCCTRL);
+
+  /* Wait for CLK0 to be ready */
+
+  while ((getreg32(AVR32_PM_POSCSR) & PM_POSCSR_OSC0RDY) == 0);
+
+  /* Then switch the main clock to OSC0 */
+
+  regval = getreg32(AVR32_PM_MCCTRL);
+  regval &= ~PM_MCCTRL_MCSEL_MASK;
+  regval |= PM_MCCTRL_MCSEL_OSC0;
+  putreg32(regval, AVR32_PM_MCCTRL);
+}
+
+
+
diff --git a/arch/avr/src/at91uc3/at91uc3_pm.h b/arch/avr/src/at91uc3/at91uc3_pm.h
new file mode 100755
index 0000000000..27f7d0b039
--- /dev/null
+++ b/arch/avr/src/at91uc3/at91uc3_pm.h
@@ -0,0 +1,300 @@
+/************************************************************************************
+ * arch/avr/src/at91uc3/at91uc3_pm.h
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_AVR_SRC_AT91UC3_AT91UC3_PM_H
+#define __ARCH_AVR_SRC_AT91UC3_AT91UC3_PM_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register offsets *****************************************************************/
+
+#define AVR32_PM_MCCTRL_OFFSET     0x0000 /* Main Clock Control Register */
+#define AVR32_PM_CKSEL_OFFSET      0x0004 /* Clock Select Register */
+#define AVR32_PM_CPUMASK_OFFSET    0x0008 /* CPU Mask Register */
+#define AVR32_PM_HSBMASK_OFFSET    0x000c /* HSB Mask Register */
+#define AVR32_PM_PBAMASK_OFFSET    0x0010 /* PBA Mask Register */
+#define AVR32_PM_PBBMASK_OFFSET    0x0014 /* PBB Mask Register */
+#define AVR32_PM_PLL0_OFFSET       0x0020 /* PLL0 Control Register */
+#define AVR32_PM_PLL1_OFFSET       0x0024 /* PLL1 Control Register */
+#define AVR32_PM_OSCCTRL0_OFFSET   0x0028 /* Oscillator 0 Control Register */
+#define AVR32_PM_OSCCTRL1_OFFSET   0x002c /* Oscillator 1 Control Register */
+#define AVR32_PM_OSCCTRL32_OFFSET  0x0030 /* Oscillator 32 Control Register */
+#define AVR32_PM_IER_OFFSET        0x0040 /* Interrupt Enable Register */
+#define AVR32_PM_IDR_OFFSET        0x0044 /* Interrupt Disable Register */
+#define AVR32_PM_IMR_OFFSET        0x0048 /* Interrupt Mask Register */
+#define AVR32_PM_ISR_OFFSET        0x004c /* Interrupt Status Register */
+#define AVR32_PM_ICR_OFFSET        0x0050 /* Interrupt Clear Register */
+#define AVR32_PM_POSCSR_OFFSET     0x0054 /* Power and Oscillators Status Register */
+#define AVR32_PM_GCCTRL_OFFSET     0x0060 /* 0x0060-0x070 Generic Clock Control Register */
+#define AVR32_PM_RCCR_OFFSET       0x00c0 /* RC Oscillator Calibration Register */
+#define AVR32_PM_BGCR_OFFSET       0x00c4 /* Bandgap Calibration Register */
+#define AVR32_PM_VREGCR_OFFSET     0x00c8 /* Linear Regulator Calibration Register */
+#define AVR32_PM_BOD_OFFSET        0x00d0 /* BOD Level Register BOD Read/Write */
+#define AVR32_PM_RCAUSE_OFFSET     0x0140 /* Reset Cause Register */
+#define AVR32_PM_AWEN_OFFSET       0x0144 /* Asynchronous Wake Up Enable Register */
+#define AVR32_PM_GPLP0_OFFSET      0x0200 /* General Purpose Low-Power Register 0 */
+#define AVR32_PM_GPLP1_OFFSET      0x0204 /* General Purpose Low-Power Register 1 */
+
+/* Register Addresses ***************************************************************/
+
+#define AVR32_PM_MCCTRL            (AVR32_PM_BASE+AVR32_PM_MCCTRL_OFFSET)
+#define AVR32_PM_CKSEL             (AVR32_PM_BASE+AVR32_PM_CKSEL_OFFSET)
+#define AVR32_PM_CPUMASK           (AVR32_PM_BASE+AVR32_PM_CPUMASK_OFFSET)
+#define AVR32_PM_HSBMASK           (AVR32_PM_BASE+AVR32_PM_HSBMASK_OFFSET)
+#define AVR32_PM_PBAMASK           (AVR32_PM_BASE+AVR32_PM_PBAMASK_OFFSET)
+#define AVR32_PM_PBBMASK           (AVR32_PM_BASE+AVR32_PM_PBBMASK_OFFSET)
+#define AVR32_PM_PLL0              (AVR32_PM_BASE+AVR32_PM_PLL0_OFFSET)
+#define AVR32_PM_PLL1              (AVR32_PM_BASE+AVR32_PM_PLL1_OFFSET)
+#define AVR32_PM_OSCCTRL0          (AVR32_PM_BASE+AVR32_PM_OSCCTRL0_OFFSET)
+#define AVR32_PM_OSCCTRL1          (AVR32_PM_BASE+AVR32_PM_OSCCTRL1_OFFSET)
+#define AVR32_PM_OSCCTRL32         (AVR32_PM_BASE+AVR32_PM_OSCCTRL32_OFFSET)
+#define AVR32_PM_IER               (AVR32_PM_BASE+AVR32_PM_IER_OFFSET)
+#define AVR32_PM_IDR               (AVR32_PM_BASE+AVR32_PM_IDR_OFFSET)
+#define AVR32_PM_IMR               (AVR32_PM_BASE+AVR32_PM_IMR_OFFSET)
+#define AVR32_PM_ISR               (AVR32_PM_BASE+AVR32_PM_ISR_OFFSET)
+#define AVR32_PM_ICR               (AVR32_PM_BASE+AVR32_PM_ICR_OFFSET)
+#define AVR32_PM_POSCSR            (AVR32_PM_BASE+AVR32_PM_POSCSR_OFFSET)
+#define AVR32_PM_GCCTRL            (AVR32_PM_BASE+AVR32_PM_GCCTRL_OFFSET)
+#define AVR32_PM_RCCR              (AVR32_PM_BASE+AVR32_PM_RCCR_OFFSET)
+#define AVR32_PM_BGCR              (AVR32_PM_BASE+AVR32_PM_BGCR_OFFSET)
+#define AVR32_PM_VREGCR            (AVR32_PM_BASE+AVR32_PM_VREGCR_OFFSET)
+#define AVR32_PM_BOD               (AVR32_PM_BASE+AVR32_PM_BOD_OFFSET)
+#define AVR32_PM_RCAUSE            (AVR32_PM_BASE+AVR32_PM_RCAUSE_OFFSET)
+#define AVR32_PM_AWEN              (AVR32_PM_BASE+AVR32_PM_AWEN_OFFSET)
+#define AVR32_PM_GPLP0             (AVR32_PM_BASE+AVR32_PM_GPLP0_OFFSET)
+#define AVR32_PM_GPLP1             (AVR32_PM_BASE+AVR32_PM_GPLP1_OFFSET)
+
+/* Register Bit-field Definitions ***************************************************/
+
+/* Main Clock Control Register Bit-field Definitions */
+
+#define PM_MCCTRL_MCSEL_SHIFT      (0)       /* Bits 0-1: Main Clock Select */
+#define PM_MCCTRL_MCSEL_MASK       (3 << PM_MCCTRL_MCSEL_SHIFT)
+#  define PM_MCCTRL_MCSEL_SLOW     (0 << PM_MCCTRL_MCSEL_SHIFT) /* slow clock is source */
+#  define PM_MCCTRL_MCSEL_OSC0     (1 << PM_MCCTRL_MCSEL_SHIFT) /* Oscillator 0 is source */
+#  define PM_MCCTRL_MCSEL_PLL0     (2 << PM_MCCTRL_MCSEL_SHIFT) /* PLL0 is source */
+#define PM_MCCTRL_OSC0EN           (1 << 2)  /* Bit 2:  Oscillator 0 Enable */
+#define PM_MCCTRL_OSC1EN           (1 << 3)  /* Bit 3:  Oscillator 1 Enable */
+
+/* Clock Select Register Bit-field Definitions */
+
+#define PM_CKSEL_CPUSEL_SHIFT      (0)       /* Bits 0-2: CPU Clock Select */
+#define PM_CKSEL_CPUSEL_MASK       (7 << PM_CKSEL_CPUSEL_SHIFT)
+#define PM_CKSEL_CPUDIV            (1 << 7)  /* Bit 7:  CPU Division */
+#define PM_CKSEL_HSBSEL_SHIFT      (8)       /* Bits 8-10: HSB Clock Select */
+#define PM_CKSEL_HSBSEL_MASK       (7 << PM_CKSEL_HSBSEL_SHIFT)
+#define PM_CKSEL_HSBDIV            (1 << 15) /* Bit 15: HSB Division */
+#define PM_CKSEL_PBASEL_SHIFT      (16)      /* Bits 16-28: BA Clock Select */
+#define PM_CKSEL_PBASEL_MASK       (7 << PM_CKSEL_PBASEL_SHIFT)
+#define PM_CKSEL_PBADIV            (1 << 23) /* Bit 23: PBA Division */
+#define PM_CKSEL_PBBSEL_SHIFT      (24)      /* Bits 24-26: PBB Clock Select */
+#define PM_CKSEL_PBBSEL_MASK       (7 << PM_CKSEL_PBBSEL_SHIFT)
+#define PM_CKSEL_PBBDIV            (1 << 31) /* Bit 31: PBB Division */
+
+/* CPU Mask Register Bit-field Definitions */
+/* HSB Mask Register Bit-field Definitions */
+/* PBA Mask Register Bit-field Definitions */
+/* PBB Mask Register Bit-field Definitions */
+
+/* These registers contain a 32-bit value with no smaller bit-field */
+
+/* PLL0/1 Control Register Bit-field Definitions */
+
+#define PM_PLL_PLLEN               (1 << 0)  /* Bit 0:  PLL Enable */
+#define PM_PLL_PLLOSC              (1 << 1)  /* Bit 1:  PLL Oscillator Select */
+#define PM_PLL_PLLOPT_SHIFT        (2)       /* Bits 2-3: PLL Option */
+#define PM_PLL_PLLOPT_MASK         (7 << PM_PLL_PLLOPT_SHIFT)
+#  define PM_PLL_PLLOPT_VCO        (1 << PM_PLL_PLLOPT_SHIFT) /* Select the VCO frequency range */
+#  define PM_PLL_PLLOPT_XTRADIV    (2 << PM_PLL_PLLOPT_SHIFT) /* Enable the extra output divider */
+#  define PM_PLL_PLLOPT_WBWDIS     (4 << PM_PLL_PLLOPT_SHIFT) /* Disable the Wide-Bandwidth mode */
+#define PM_PLL_PLLDIV_SHIFT        (8)       /* Bits 8-11: PLL Division Factor */
+#define PM_PLL_PLLDIV_MASK         (15 << PM_PLL_PLLDIV_SHIFT)
+#define PM_PLL_PLLMUL_SHIFT        (16)       /* Bits 16-19: PLL Multiply Factor */
+#define PM_PLL_PLLMUL_MASK         (15 << PM_PLL_PLLMUL_SHIFT)
+#define PM_PLL_PLLCOUNT_SHIFT      (24)       /* Bits 24-29: PLL Count */
+#define PM_PLL_PLLCOUNT_MASK       (0x3f << PM_PLL_PLLCOUNT_SHIFT)
+
+/* Oscillator 0/1 Control Register Bit-field Definitions */
+
+#define PM_OSCCTRL_MODE_SHIFT      (0)       /* Bits 0-2: Oscillator Mode */
+#define PM_OSCCTRL_MODE_MASK       (7 << PM_OSCCTRL_MODE_SHIFT)
+#  define PM_OSCCTRL_MODE_EXT      (0 << PM_OSCCTRL_MODE_SHIFT) /* External clock */
+#  define PM_OSCCTRL_MODE_XTALp9   (4 << PM_OSCCTRL_MODE_SHIFT) /* Crystal XIN 0.4-0.9MHz */
+#  define PM_OSCCTRL_MODE_XTAL3    (5 << PM_OSCCTRL_MODE_SHIFT) /* Crystal XIN 0.9-3.0MHz */
+#  define PM_OSCCTRL_MODE_XTAL8    (6 << PM_OSCCTRL_MODE_SHIFT) /* Crystal XIN 3.0-8.0MHz */
+#  define PM_OSCCTRL_MODE_XTALHI   (7 << PM_OSCCTRL_MODE_SHIFT) /* Crystal XIN above 8.0MHz */
+#define PM_OSCCTRL_STARTUP_SHIFT   (8)       /* Bits 8-10: Oscillator Startup Time */
+#define PM_OSCCTRL_STARTUP_MASK    (7 << PM_OSCCTRL_STARTUP_SHIFT)
+#  define PM_OSCCTRL_STARTUP_0     (0 << PM_OSCCTRL_STARTUP_SHIFT) /* Num RCOsc cycles */
+#  define PM_OSCCTRL_STARTUP_64    (1 << PM_OSCCTRL_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL_STARTUP_128   (2 << PM_OSCCTRL_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL_STARTUP_2K    (3 << PM_OSCCTRL_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL_STARTUP_4K    (4 << PM_OSCCTRL_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL_STARTUP_8K    (5 << PM_OSCCTRL_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL_STARTUP_16K   (6 << PM_OSCCTRL_STARTUP_SHIFT) /* " " "   " "    " */
+
+/* Oscillator 32 Control Register Bit-field Definitions */
+
+#define PM_OSCCTRL32_EN             (1 << 0)  /* Bit 0: Enable the 32KHz oscillator */
+#define PM_OSCCTRL32_MODE_SHIFT     (8)       /* Bits 8-10: Oscillator Mode */
+#define PM_OSCCTRL32_MODE_MASK      (7 << PM_OSCCTRL32_MODE_SHIFT)
+#  define PM_OSCCTRL32_MODE_EXT     (0 << PM_OSCCTRL32_MODE_SHIFT) /* External clock */
+#  define PM_OSCCTRL32_MODE_XTALp9  (1 << PM_OSCCTRL32_MODE_SHIFT) /* Crystal */
+#define PM_OSCCTRL32_STARTUPSHIFT   (16)      /* Bits 16-18: Oscillator Startup Time */
+#define PM_OSCCTRL32_STARTUP_MASK   (7 << PM_OSCCTRL32_STARTUP_SHIFT)
+#  define PM_OSCCTRL32_STARTUP_0    (0 << PM_OSCCTRL32_STARTUP_SHIFT) /* Num RCOsc cycles */
+#  define PM_OSCCTRL32_STARTUP_128  (1 << PM_OSCCTRL32_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL32_STARTUP_8K   (2 << PM_OSCCTRL32_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL32_STARTUP_16K  (3 << PM_OSCCTRL32_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL32_STARTUP_64K  (4 << PM_OSCCTRL32_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL32_STARTUP_128K (5 << PM_OSCCTRL32_STARTUP_SHIFT) /* " " "   " "    " */
+#  define PM_OSCCTRL32_STARTUP_512K (6 << PM_OSCCTRL32_STARTUP_SHIFT) /* " " "   " "    " */
+
+/* Interrupt Enable Register Bit-field Definitions */
+/* Interrupt Disable Register Bit-field Definitions */
+/* Interrupt Mask Register Bit-field Definitions */
+/* Interrupt Status Register Bit-field Definitions */
+/* Interrupt Clear Register Bit-field Definitions */
+
+
+#define PM_INT_LOCK0               (1 << 0)  /* Bit 0:  PLL0 locked */
+#define PM_INT_LOCK1               (1 << 1)  /* Bit 1:  PLL1 locked */
+#define PM_INT_CKRDY               (1 << 5)  /* Bit 5:  Clock Ready */
+#define PM_INT_MSKRDY              (1 << 6)  /* Bit 6:  Mask Ready */
+#define PM_INT_OSC0RDY             (1 << 7)  /* Bit 7:  Oscillator 0 Ready */
+#define PM_INT_OSC1RDY             (1 << 8)  /* Bit 8:  Oscillator 1 Ready */
+#define PM_INT_OSC32RDY            (1 << 9)  /* Bit 9:  32 KHz oscillator Ready */
+#define PM_INT_BODDET              (1 << 16) /* Bit 16: Brown out detection */
+
+/* Power and Oscillators Status Register Bit-field Definitions */
+
+#define PM_POSCSR_LOCK0               (1 << 0)  /* Bit 0:  PLL0 locked */
+#define PM_POSCSR_LOCK1               (1 << 1)  /* Bit 1:  PLL1 locked */
+#define PM_POSCSR_WAKE                (1 << 2)  /* Bit 1:  PLL1 locked */
+#define PM_POSCSR_CKRDY               (1 << 5)  /* Bit 5:  Clock Ready */
+#define PM_POSCSR_MSKRDY              (1 << 6)  /* Bit 6:  Mask Ready */
+#define PM_POSCSR_OSC0RDY             (1 << 7)  /* Bit 7:  Oscillator 0 Ready */
+#define PM_POSCSR_OSC1RDY             (1 << 8)  /* Bit 8:  Oscillator 1 Ready */
+#define PM_POSCSR_OSC32RDY            (1 << 9)  /* Bit 9:  32 KHz oscillator Ready */
+#define PM_POSCSR_BODDET              (1 << 16) /* Bit 16: Brown out detection */
+
+/* 0x0060-0x070 Generic Clock Control Register Bit-field Definitions */
+
+#define PM_GCCTRL_OSCSEL              (1 << 0)  /* Bit 0:  Oscillator Select */
+#define PM_GCCTRL_PLLSEL              (1 << 1)  /* Bit 1:  PLL Select */
+#define PM_GCCTRL_CEN                 (1 << 2)  /* Bit 2:  Clock Enable */
+#define PM_GCCTRL_DIVEN               (1 << 4)  /* Bit 4:  Divide Enable */
+#define PM_GCCTRL_DIV_SHIFT           (8)       /* Bits 8-15: Division Factor */
+#define PM_GCCTRL_DIV_MASK            (0xff << PM_GCCTRL_DIV_SHIFT)
+
+/* RC Oscillator Calibration Register Bit-field Definitions */
+
+#define PM_RCCR_CALIB_SHIFT           (0)       /* Bits 0-9: Calibration Value */
+#define PM_RCCR_CALIB_MASK            (0x3ff << PM_RCCR_CALIB_SHIFT)
+#define PM_RCCR_FCD                   (1 << 16) /* Bit 16: Flash Calibration Done */
+#define PM_RCCR_KEY_SHIFT             (24)      /* Bits 24-31: Register Write protection */
+#define PM_RCCR_KEY_MASK              (0xff << PM_RCCR_KEY_SHIFT)
+
+/* Bandgap Calibration Register Bit-field Definitions */
+
+#define PM_BGCR_CALIB_SHIFT           (0)       /* Bits 0-3: Calibration Value */
+#define PM_BGCR_CALIB_MASK            (7 << PM_BGCR_CALIB_SHIFT)
+#define PM_BGCR_FCD                   (1 << 16) /* Bit 16: Flash Calibration Done */
+#define PM_BGCR_KEY_SHIFT             (24)      /* Bits 24-31: Register Write protection */
+#define PM_BGCR_KEY_MASK              (0xff << PM_BGCR_KEY_SHIFT)
+
+/* Linear Regulator Calibration Register Bit-field Definitions */
+
+#define PM_VREGCR_CALIB_SHIFT         (0)       /* Bits 0-3: Calibration Value */
+#define PM_VREGCR_CALIB_MASK          (7 << PM_VREGCR_CALIB_SHIFT)
+#define PM_VREGCR_FCD                 (1 << 16) /* Bit 16: Flash Calibration Done */
+#define PM_VREGCR_KEY_SHIFT           (24)      /* Bits 24-31: Register Write protection */
+#define PM_VREGCR_KEY_MASK            (0xff << PM_VREGCR_KEY_SHIFT)
+
+/* BOD Level Register BOD Read/Write Bit-field Definitions */
+
+#define PM_BOD_LEVEL_SHIFT            (0)       /* Bits 0-5: BOD Level */
+#define PM_BOD_LEVEL_MASK             (0x3f << PM_BOD_LEVEL_SHIFT)
+#define PM_BOD_HYST                   (1 << 6)  /* Bit 6:  BOD Hysteresis */
+#define PM_BOD_CTRL_SHIFT             (8)       /* Bits 8-9: BOD Control */
+#define PM_BOD_CTRL_MASK              (3 << PM_BOD_CTRL_SHIFT)
+#  define PM_BOD_CTRL_OFF             (xxx << PM_BOD_CTRL_SHIFT) /* BOD is off */
+#  define PM_BOD_CTRL_RESET           (xxx << PM_BOD_CTRL_SHIFT) /* BOD enabled/can reset */
+#  define PM_BOD_CTRL_NORESET         (xxx << PM_BOD_CTRL_SHIFT) /* BOD enabled/cannot reset */
+#define PM_BOD_FCD                    (1 << 16) /* Bit 16: BOD Fuse calibration done */
+#define PM_BOD_KEY_SHIFT              (24)      /* Bits 24-31: Register Write protection */
+#define PM_BOD_KEY_MASK               (0xff << PM_BOD_KEY_SHIFT)
+
+/* Reset Cause Register */
+
+#define PM_RCAUSE_POR                 (1 << 0)  /* Bit 0:  Power-on Reset */
+#define PM_RCAUSE_BOD                 (1 << 1)  /* Bit 1:  Brown-out Reset */
+#define PM_RCAUSE_EXT                 (1 << 2)  /* Bit 2:  External Reset Pin */
+#define PM_RCAUSE_WDT                 (1 << 3)  /* Bit 3:  Watchdog Reset */
+#define PM_RCAUSE_JTAG                (1 << 4)  /* Bit 4:  JTAG reset */
+#define PM_RCAUSE_SLEEP               (1 << 6)  /* Bit 6:  Sleep */
+#define PM_RCAUSE_CPUERR              (1 << 7)  /* Bit 7:  CPU Error */
+#define PM_RCAUSE_OCDRST              (1 << 8)  /* Bit 8:  OCD Reset */
+
+/* Asynchronous Wake Up Enable Register Bit-field Definitions */
+
+#define PM_AWEN_USBWAKEN              (1 << 0)  /* Bit 0:  USB Wake Up Enable */
+
+/* General Purpose Low-Power Register 0/1 Bit-field Definitions */
+
+/* These registers contain a 32-bit value with no smaller bit-field */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_AVR_SRC_AT91UC3_AT91UC3_PM_H */
+