EFM32 ROM table header files

3 files changed, 420 insertions, 0 deletions

diff --git a/nuttx/arch/arm/src/efm32/chip/efm32_calibrate.h b/nuttx/arch/arm/src/efm32/chip/efm32_calibrate.h
new file mode 100644
index 000000000..7fb84d1e3
--- /dev/null
+++ b/nuttx/arch/arm/src/efm32/chip/efm32_calibrate.h
@@ -0,0 +1,93 @@
+/*******************************************************************************************************************************
+ * arch/arm/src/efm32/chip/efm32_calibrate.h
+ *
+ *  Copyright 2014 Silicon Laboratories, Inc. http://www.silabs.com</b>
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.@n
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.@n
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Laboratories, Inc.
+ * has no obligation to support this Software. Silicon Laboratories, Inc. is
+ * providing the Software "AS IS", with no express or implied warranties of any
+ * kind, including, but not limited to, any implied warranties of
+ * merchantability or fitness for any particular purpose or warranties against
+ * infringement of any proprietary rights of a third party.
+ *
+ * Silicon Laboratories, Inc. will not be liable for any consequential,
+ * incidental, or special damages, or any other relief, or for any claim by
+ * any third party, arising from your use of this Software.
+ *
+ *   Copyright (C) 2014 Pierre-noel Bouteville . All rights reserved.
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Authors: Pierre-noel Bouteville <pnb990@gmail.com>
+ *            Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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_ARM_SRC_EFM32_CHIP_EFM32_CALIBRATE_H
+#define __ARCH_ARM_SRC_EFM32_CHIP_EFM32_CALIBRATE_H
+
+/*******************************************************************************************************************************
+ * Included Files
+ *******************************************************************************************************************************/
+
+#include <nuttx/config.h>
+#include "chip/efm32_memorymap.h"
+
+#if !defined(CONFIG_EFM32_EFM32GG)
+#  warning This is the EFM32GG header file; Review/modification needed for this archtecture
+#endif
+
+/*******************************************************************************************************************************
+ * Pre-processor Definitions
+ *******************************************************************************************************************************/
+
+#define CALIBRATE_MAX_REGISTERS    50 /* Max number of address/value pairs for calibration */
+
+#define CALIBRATE ((const struct efm32_calibrate_s *)EFM32_CALIBRATE_BASE)
+
+/*******************************************************************************************************************************
+ * Public Type Definitions
+ *******************************************************************************************************************************/
+
+struct efm32_calibrate_s
+{
+  const uint32_t address; /* Address of calibration register */
+  const uint32_t value;   /* Default value for calibration register */
+};    
+
+#endif /* __ARCH_ARM_SRC_EFM32_CHIP_EFM32_CALIBRATE_H */
diff --git a/nuttx/arch/arm/src/efm32/chip/efm32_devinfo.h b/nuttx/arch/arm/src/efm32/chip/efm32_devinfo.h
new file mode 100644
index 000000000..f55349c15
--- /dev/null
+++ b/nuttx/arch/arm/src/efm32/chip/efm32_devinfo.h
@@ -0,0 +1,213 @@
+/*******************************************************************************************************************************
+ * arch/arm/src/efm32/chip/efm32_devinfo.h
+ *
+ *  Copyright 2014 Silicon Laboratories, Inc. http://www.silabs.com</b>
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.@n
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.@n
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Laboratories, Inc.
+ * has no obligation to support this Software. Silicon Laboratories, Inc. is
+ * providing the Software "AS IS", with no express or implied warranties of any
+ * kind, including, but not limited to, any implied warranties of
+ * merchantability or fitness for any particular purpose or warranties against
+ * infringement of any proprietary rights of a third party.
+ *
+ * Silicon Laboratories, Inc. will not be liable for any consequential,
+ * incidental, or special damages, or any other relief, or for any claim by
+ * any third party, arising from your use of this Software.
+ *
+ *   Copyright (C) 2014 Pierre-noel Bouteville . All rights reserved.
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Authors: Pierre-noel Bouteville <pnb990@gmail.com>
+ *            Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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_ARM_SRC_EFM32_CHIP_EFM32_DEVINFO_H
+#define __ARCH_ARM_SRC_EFM32_CHIP_EFM32_DEVINFO_H
+
+/*******************************************************************************************************************************
+ * Included Files
+ *******************************************************************************************************************************/
+
+#include <nuttx/config.h>
+#include "chip/efm32_memorymap.h"
+
+#if !defined(CONFIG_EFM32_EFM32GG)
+#  warning This is the EFM32GG header file; Review/modification needed for this archtecture
+#endif
+
+/*******************************************************************************************************************************
+ * Pre-processor Definitions
+ *******************************************************************************************************************************/
+
+#define DEVINFO ((const struct efm32_devinfo_s *)EFM32_DEVINFO_BASE)
+
+/* Bit fields for struct efm32_devinfo_s */
+
+#define _DEVINFO_CAL_CRC_MASK                      0x0000FFFFUL /* Integrity CRC checksum mask */
+#define _DEVINFO_CAL_CRC_SHIFT                     0            /* Integrity CRC checksum shift */
+#define _DEVINFO_CAL_TEMP_MASK                     0x00FF0000UL /* Calibration temperature, DegC, mask */
+#define _DEVINFO_CAL_TEMP_SHIFT                    16           /* Calibration temperature shift */
+
+#define _DEVINFO_ADC0CAL0_1V25_GAIN_MASK           0x00007F00UL /* Gain for 1V25 reference, mask */
+#define _DEVINFO_ADC0CAL0_1V25_GAIN_SHIFT          8            /* Gain for 1V25 reference, shift */
+#define _DEVINFO_ADC0CAL0_1V25_OFFSET_MASK         0x0000007FUL /* Offset for 1V25 reference, mask */
+#define _DEVINFO_ADC0CAL0_1V25_OFFSET_SHIFT        0            /* Offset for 1V25 reference, shift */
+#define _DEVINFO_ADC0CAL0_2V5_GAIN_MASK            0x7F000000UL /* Gain for 2V5 reference, mask */
+#define _DEVINFO_ADC0CAL0_2V5_GAIN_SHIFT           24           /* Gain for 2V5 reference, shift */
+#define _DEVINFO_ADC0CAL0_2V5_OFFSET_MASK          0x007F0000UL /* Offset for 2V5 reference, mask */
+#define _DEVINFO_ADC0CAL0_2V5_OFFSET_SHIFT         16           /* Offset for 2V5 reference, shift */
+
+#define _DEVINFO_ADC0CAL1_VDD_GAIN_MASK            0x00007F00UL /* Gain for VDD reference, mask */
+#define _DEVINFO_ADC0CAL1_VDD_GAIN_SHIFT           8            /* Gain for VDD reference, shift */
+#define _DEVINFO_ADC0CAL1_VDD_OFFSET_MASK          0x0000007FUL /* Offset for VDD reference, mask */
+#define _DEVINFO_ADC0CAL1_VDD_OFFSET_SHIFT         0            /* Offset for VDD reference, shift */
+#define _DEVINFO_ADC0CAL1_5VDIFF_GAIN_MASK         0x7F000000UL /* Gain 5VDIFF for 5VDIFF reference, mask */
+#define _DEVINFO_ADC0CAL1_5VDIFF_GAIN_SHIFT        24           /* Gain for 5VDIFF reference, mask */
+#define _DEVINFO_ADC0CAL1_5VDIFF_OFFSET_MASK       0x007F0000UL /* Offset for 5VDIFF reference, mask */
+#define _DEVINFO_ADC0CAL1_5VDIFF_OFFSET_SHIFT      16           /* Offset for 5VDIFF reference, shift */
+
+#define _DEVINFO_ADC0CAL2_2XVDDVSS_OFFSET_MASK     0x0000007FUL /* Offset for 2XVDDVSS reference, mask */
+#define _DEVINFO_ADC0CAL2_2XVDDVSS_OFFSET_SHIFT    0            /* Offset for 2XVDDVSS reference, shift */
+#define _DEVINFO_ADC0CAL2_TEMP1V25_MASK            0xFFF00000UL /* Temperature reading at 1V25 reference, mask */
+#define _DEVINFO_ADC0CAL2_TEMP1V25_SHIFT           20           /* Temperature reading at 1V25 reference, DegC */
+
+#define _DEVINFO_DAC0CAL0_1V25_GAIN_MASK           0x007F0000UL /* Gain for 1V25 reference, mask */
+#define _DEVINFO_DAC0CAL0_1V25_GAIN_SHIFT          16           /* Gain for 1V25 reference, shift */
+#define _DEVINFO_DAC0CAL0_1V25_CH1_OFFSET_MASK     0x00003F00UL /* Channel 1 offset for 1V25 reference, mask */
+#define _DEVINFO_DAC0CAL0_1V25_CH1_OFFSET_SHIFT    8            /* Channel 1 offset for 1V25 reference, shift */
+#define _DEVINFO_DAC0CAL0_1V25_CH0_OFFSET_MASK     0x0000003FUL /* Channel 0 offset for 1V25 reference, mask */
+#define _DEVINFO_DAC0CAL0_1V25_CH0_OFFSET_SHIFT    0            /* Channel 0 offset for 1V25 reference, shift */
+
+#define _DEVINFO_DAC0CAL1_2V5_GAIN_MASK            0x007F0000UL /* Gain for 2V5 reference, mask */
+#define _DEVINFO_DAC0CAL1_2V5_GAIN_SHIFT           16           /* Gain for 2V5 reference, shift */
+#define _DEVINFO_DAC0CAL1_2V5_CH1_OFFSET_MASK      0x00003F00UL /* Channel 1 offset for 2V5 reference, mask */
+#define _DEVINFO_DAC0CAL1_2V5_CH1_OFFSET_SHIFT     8            /* Channel 1 offset for 2V5 reference, shift */
+#define _DEVINFO_DAC0CAL1_2V5_CH0_OFFSET_MASK      0x0000003FUL /* Channel 0 offset for 2V5 reference, mask */
+#define _DEVINFO_DAC0CAL1_2V5_CH0_OFFSET_SHIFT     0            /* Channel 0 offset for 2V5 reference, shift */
+
+#define _DEVINFO_DAC0CAL2_VDD_GAIN_MASK            0x007F0000UL /* Gain for VDD reference, mask */
+#define _DEVINFO_DAC0CAL2_VDD_GAIN_SHIFT           16           /* Gain for VDD reference, shift */
+#define _DEVINFO_DAC0CAL2_VDD_CH1_OFFSET_MASK      0x00003F00UL /* Channel 1 offset for VDD reference, mask */
+#define _DEVINFO_DAC0CAL2_VDD_CH1_OFFSET_SHIFT     8            /* Channel 1 offset for VDD reference, shift */
+#define _DEVINFO_DAC0CAL2_VDD_CH0_OFFSET_MASK      0x0000003FUL /* Channel 0 offset for VDD reference, mask */
+#define _DEVINFO_DAC0CAL2_VDD_CH0_OFFSET_SHIFT     0            /* Channel 0 offset for VDD reference, shift*/
+
+#define _DEVINFO_AUXHFRCOCAL0_BAND1_MASK           0x000000FFUL /* 1MHz tuning value for AUXHFRCO, mask */
+#define _DEVINFO_AUXHFRCOCAL0_BAND1_SHIFT          0            /* 1MHz tuning value for AUXHFRCO, shift */
+#define _DEVINFO_AUXHFRCOCAL0_BAND7_MASK           0x0000FF00UL /* 7MHz tuning value for AUXHFRCO, mask */
+#define _DEVINFO_AUXHFRCOCAL0_BAND7_SHIFT          8            /* 7MHz tuning value for AUXHFRCO, shift */
+#define _DEVINFO_AUXHFRCOCAL0_BAND11_MASK          0x00FF0000UL /* 11MHz tuning value for AUXHFRCO, mask */
+#define _DEVINFO_AUXHFRCOCAL0_BAND11_SHIFT         16           /* 11MHz tuning value for AUXHFRCO, shift */
+#define _DEVINFO_AUXHFRCOCAL0_BAND14_MASK          0xFF000000UL /* 14MHz tuning value for AUXHFRCO, mask */
+#define _DEVINFO_AUXHFRCOCAL0_BAND14_SHIFT         24           /* 14MHz tuning value for AUXHFRCO, shift */
+
+#define _DEVINFO_AUXHFRCOCAL1_BAND21_MASK          0x000000FFUL /* 21MHz tuning value for AUXHFRCO, mask */
+#define _DEVINFO_AUXHFRCOCAL1_BAND21_SHIFT         0            /* 21MHz tuning value for AUXHFRCO, shift */
+#define _DEVINFO_AUXHFRCOCAL1_BAND28_MASK          0x0000FF00UL /* 28MHz tuning value for AUXHFRCO, shift */
+#define _DEVINFO_AUXHFRCOCAL1_BAND28_SHIFT         8            /* 28MHz tuning value for AUXHFRCO, mask */
+
+#define _DEVINFO_HFRCOCAL0_BAND1_MASK              0x000000FFUL /* 1MHz tuning value for HFRCO, mask */
+#define _DEVINFO_HFRCOCAL0_BAND1_SHIFT             0            /* 1MHz tuning value for HFRCO, shift */
+#define _DEVINFO_HFRCOCAL0_BAND7_MASK              0x0000FF00UL /* 7MHz tuning value for HFRCO, mask */
+#define _DEVINFO_HFRCOCAL0_BAND7_SHIFT             8            /* 7MHz tuning value for HFRCO, shift */
+#define _DEVINFO_HFRCOCAL0_BAND11_MASK             0x00FF0000UL /* 11MHz tuning value for HFRCO, mask */
+#define _DEVINFO_HFRCOCAL0_BAND11_SHIFT            16           /* 11MHz tuning value for HFRCO, shift */
+#define _DEVINFO_HFRCOCAL0_BAND14_MASK             0xFF000000UL /* 14MHz tuning value for HFRCO, mask */
+#define _DEVINFO_HFRCOCAL0_BAND14_SHIFT            24           /* 14MHz tuning value for HFRCO, shift */
+
+#define _DEVINFO_HFRCOCAL1_BAND21_MASK             0x000000FFUL /* 21MHz tuning value for HFRCO, mask */
+#define _DEVINFO_HFRCOCAL1_BAND21_SHIFT            0            /* 21MHz tuning value for HFRCO, shift */
+#define _DEVINFO_HFRCOCAL1_BAND28_MASK             0x0000FF00UL /* 28MHz tuning value for HFRCO, shift */
+#define _DEVINFO_HFRCOCAL1_BAND28_SHIFT            8            /* 28MHz tuning value for HFRCO, mask */
+
+#define _DEVINFO_MEMINFO_FLASH_PAGE_SIZE_MASK      0xFF000000UL /* Flash page size (refer to ref.man for encoding) mask */
+#define _DEVINFO_MEMINFO_FLASH_PAGE_SIZE_SHIFT     24           /* Flash page size shift */
+
+#define _DEVINFO_UNIQUEL_MASK                      0xFFFFFFFFUL /* Lower part of  64-bit device unique number */
+#define _DEVINFO_UNIQUEL_SHIFT                     0            /* Unique Low 32-bit shift */
+
+#define _DEVINFO_UNIQUEH_MASK                      0xFFFFFFFFUL /* High part of  64-bit device unique number */
+#define _DEVINFO_UNIQUEH_SHIFT                     0            /* Unique High 32-bit shift */
+
+#define _DEVINFO_MSIZE_SRAM_MASK                   0xFFFF0000UL /* Flash size in kilobytes */
+#define _DEVINFO_MSIZE_SRAM_SHIFT                  16           /* Bit position for flash size */
+#define _DEVINFO_MSIZE_FLASH_MASK                  0x0000FFFFUL /* SRAM size in kilobytes */
+#define _DEVINFO_MSIZE_FLASH_SHIFT                 0            /* Bit position for SRAM size */
+
+#define _DEVINFO_PART_PROD_REV_MASK                0xFF000000UL /* Production revision */
+#define _DEVINFO_PART_PROD_REV_SHIFT               24           /* Bit position for production revision */
+#define _DEVINFO_PART_DEVICE_FAMILY_MASK           0x00FF0000UL /* Device Family, 0x47 for Gecko */
+#define _DEVINFO_PART_DEVICE_FAMILY_SHIFT          16           /* Bit position for device family */
+#define _DEVINFO_PART_DEVICE_FAMILY_G              71           /* Gecko Device Family */
+#define _DEVINFO_PART_DEVICE_FAMILY_GG             72           /* Giant Gecko Device Family */
+#define _DEVINFO_PART_DEVICE_FAMILY_TG             73           /* Tiny Gecko Device Family */
+#define _DEVINFO_PART_DEVICE_FAMILY_LG             74           /* Leopard Gecko Device Family */
+#define _DEVINFO_PART_DEVICE_FAMILY_WG             75           /* Wonder Gecko Device Family */
+#define _DEVINFO_PART_DEVICE_FAMILY_ZG             76           /* Zero Gecko Device Family */
+#define _DEVINFO_PART_DEVICE_NUMBER_MASK           0x0000FFFFUL /* Device number */
+#define _DEVINFO_PART_DEVICE_NUMBER_SHIFT          0            /* Bit position for device number */
+
+/*******************************************************************************************************************************
+ * Public Type Definitions
+ *******************************************************************************************************************************/
+
+struct efm32_devinfo_s
+{
+  const uint32_t cal;          /* Calibration temperature and checksum */
+  const uint32_t adc0cal0;     /* ADC0 Calibration register 0 */
+  const uint32_t adc0cal1;     /* ADC0 Calibration register 1 */
+  const uint32_t adc0cal2;     /* ADC0 Calibration register 2 */
+        uint32_t reserved0[2]; /* Reserved */
+  const uint32_t dac0cal0;     /* DAC calibration register 0 */
+  const uint32_t dac0cal1;     /* DAC calibration register 1 */
+  const uint32_t dac0cal2;     /* DAC calibration register 2 */
+  const uint32_t auxhfrcocal0; /* AUXHFRCO calibration register 0 */
+  const uint32_t auxhfrcocal1; /* AUXHFRCO calibration register 1 */
+  const uint32_t hfrcocal0;    /* HFRCO calibration register 0 */
+  const uint32_t hfrcocal1;    /* HFRCO calibration register 1 */
+  const uint32_t meminfo;      /* Memory information */
+        uint32_t reserved2[2]; /* Reserved */
+  const uint32_t uniquel;      /* Low 32 bits of device unique number */
+  const uint32_t uniqueh;      /* High 32 bits of device unique number */
+  const uint32_t msize;        /* Flash and SRAM Memory size in KiloBytes */
+  const uint32_t part;         /* Part description */
+};
+
+#endif /* __ARCH_ARM_SRC_EFM32_CHIP_EFM32_DEVINFO_H */
diff --git a/nuttx/arch/arm/src/efm32/chip/efm32_romtable.h b/nuttx/arch/arm/src/efm32/chip/efm32_romtable.h
new file mode 100644
index 000000000..209fbd7d8
--- /dev/null
+++ b/nuttx/arch/arm/src/efm32/chip/efm32_romtable.h
@@ -0,0 +1,114 @@
+/*******************************************************************************************************************************
+ * arch/arm/src/efm32/chip/efm32_romtable.h
+ *
+ *  Copyright 2014 Silicon Laboratories, Inc. http://www.silabs.com</b>
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.@n
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.@n
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Laboratories, Inc.
+ * has no obligation to support this Software. Silicon Laboratories, Inc. is
+ * providing the Software "AS IS", with no express or implied warranties of any
+ * kind, including, but not limited to, any implied warranties of
+ * merchantability or fitness for any particular purpose or warranties against
+ * infringement of any proprietary rights of a third party.
+ *
+ * Silicon Laboratories, Inc. will not be liable for any consequential,
+ * incidental, or special damages, or any other relief, or for any claim by
+ * any third party, arising from your use of this Software.
+ *
+ *   Copyright (C) 2014 Pierre-noel Bouteville . All rights reserved.
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Authors: Pierre-noel Bouteville <pnb990@gmail.com>
+ *            Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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_ARM_SRC_EFM32_CHIP_EFM32_ROMTABLE_H
+#define __ARCH_ARM_SRC_EFM32_CHIP_EFM32_ROMTABLE_H
+
+/*******************************************************************************************************************************
+ * Included Files
+ *******************************************************************************************************************************/
+
+#include <nuttx/config.h>
+#include "chip/efm32_memorymap.h"
+
+#if !defined(CONFIG_EFM32_EFM32GG)
+#  warning This is the EFM32GG header file; Review/modification needed for this archtecture
+#endif
+
+/*******************************************************************************************************************************
+ * Pre-processor Definitions
+ *******************************************************************************************************************************/
+
+#define ROMTABLE ((const struct efm32_romtable_s *)EFM32_ROMTABLE_BASE)
+
+/* Bit fields for struct efm32_romtable_s */
+
+#define _ROMTABLE_PID0_FAMILYLSB_MASK       0x000000C0UL /* Least Significant Bits [1:0] of CHIP FAMILY, mask */
+#define _ROMTABLE_PID0_FAMILYLSB_SHIFT      6            /* Least Significant Bits [1:0] of CHIP FAMILY, shift */
+#define _ROMTABLE_PID0_REVMAJOR_MASK        0x0000003FUL /* CHIP MAJOR Revison, mask */
+#define _ROMTABLE_PID0_REVMAJOR_SHIFT       0            /* CHIP MAJOR Revison, shift */
+
+#define _ROMTABLE_PID1_FAMILYMSB_MASK       0x0000000FUL /* Most Significant Bits [5:2] of CHIP FAMILY, mask */
+#define _ROMTABLE_PID1_FAMILYMSB_SHIFT      0            /* Most Significant Bits [5:2] of CHIP FAMILY, shift */
+
+#define _ROMTABLE_PID2_REVMINORMSB_MASK     0x000000F0UL /* Most Significant Bits [7:4] of CHIP MINOR revision, mask */
+#define _ROMTABLE_PID2_REVMINORMSB_SHIFT    4            /* Most Significant Bits [7:4] of CHIP MINOR revision, mask */
+
+#define _ROMTABLE_PID3_REVMINORLSB_MASK     0x000000F0UL /* Least Significant Bits [3:0] of CHIP MINOR revision, mask */
+#define _ROMTABLE_PID3_REVMINORLSB_SHIFT    4            /* Least Significant Bits [3:0] of CHIP MINOR revision, shift */
+
+/*******************************************************************************************************************************
+ * Public Type Definitions
+ *******************************************************************************************************************************/
+
+struct efm32_romtable_s
+{
+  const uint32_t pid4; /* JEP_106_BANK */
+  const uint32_t pid5; /* Unused */
+  const uint32_t pid6; /* Unused */
+  const uint32_t pid7; /* Unused */
+  const uint32_t pid0; /* Chip family LSB, chip major revision */
+  const uint32_t pid1; /* JEP_106_NO, Chip family MSB */
+  const uint32_t pid2; /* Chip minor rev MSB, JEP_106_PRESENT, JEP_106_NO */
+  const uint32_t pid3; /* Chip minor rev LSB */
+  const uint32_t cid0; /* Unused */
+};  
+
+#endif /* __ARCH_ARM_SRC_EFM32_CHIP_EFM32_ROMTABLE_H */