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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2012-07-01 00:13:51 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2012-07-01 00:13:51 +0000
commitf025d98e047977cd8736b690ffbdd30be5f1fb1c (patch)
tree0529353de13b22d7de8344535dddaf56fb4c1baf /nuttx/arch/arm/src
parent2a7a3448275da25666b9e7c7979eabf8cd256847 (diff)
downloadpx4-nuttx-f025d98e047977cd8736b690ffbdd30be5f1fb1c.tar.gz
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Add LPC43 RIT, WWDT, and MCPWM header files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4892 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src')
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h274
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_memorymap.h2
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_rit.h89
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h111
4 files changed, 475 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h
new file mode 100644
index 000000000..183750611
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h
@@ -0,0 +1,274 @@
+/************************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_mcpwm.h
+ *
+ * Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ * Author: 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_LPC43XX_LPC43_MCPWM_H
+#define __ARCH_ARM_SRC_LPC43XX_LPC43_MCPWM_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register offsets *****************************************************************/
+
+#define LPC43_MCPWM_CON_OFFSET 0x0000 /* PWM Control read address */
+#define LPC43_MCPWM_CONSET_OFFSET 0x0004 /* PWM Control set address */
+#define LPC43_MCPWM_CONCLR_OFFSET 0x0008 /* PWM Control clear address */
+#define LPC43_MCPWM_CAPCON_OFFSET 0x000c /* Capture Control read address */
+#define LPC43_MCPWM_CAPCONSET_OFFSET 0x0010 /* Capture Control set address */
+#define LPC43_MCPWM_CAPCONCLR_OFFSET 0x0014 /* Event Control clear address */
+#define LPC43_MCPWM_TC0_OFFSET 0x0018 /* Timer Counter register, channel 0 */
+#define LPC43_MCPWM_TC1_OFFSET 0x001c /* Timer Counter register, channel 1 */
+#define LPC43_MCPWM_TC2_OFFSET 0x0020 /* Timer Counter register, channel 2 */
+#define LPC43_MCPWM_LIM0_OFFSET 0x0024 /* Limit register, channel 0 */
+#define LPC43_MCPWM_LIM1_OFFSET 0x0028 /* Limit register, channel 1 */
+#define LPC43_MCPWM_LIM2_OFFSET 0x002c /* Limit register, channel 2 */
+#define LPC43_MCPWM_MAT0_OFFSET 0x0030 /* Match register, channel 0 */
+#define LPC43_MCPWM_MAT1_OFFSET 0x0034 /* Match register, channel 1 */
+#define LPC43_MCPWM_MAT2_OFFSET 0x0038 /* Match register, channel 2 */
+#define LPC43_MCPWM_DT_OFFSET 0x003c /* Dead time register */
+#define LPC43_MCPWM_MCCP_OFFSET 0x0040 /* Communication Pattern register */
+#define LPC43_MCPWM_CAP0_OFFSET 0x0044 /* Capture register, channel 0 */
+#define LPC43_MCPWM_CAP1_OFFSET 0x0048 /* Capture register, channel 1 */
+#define LPC43_MCPWM_CAP2_OFFSET 0x004c /* Capture register, channel 2 */
+#define LPC43_MCPWM_INTEN_OFFSET 0x0050 /* Interrupt Enable read address */
+#define LPC43_MCPWM_INTENSET_OFFSET 0x0054 /* Interrupt Enable set address */
+#define LPC43_MCPWM_INTENCLR_OFFSET 0x0058 /* Interrupt Enable clear address */
+#define LPC43_MCPWM_CNTCON_OFFSET 0x005c /* Count Control read address */
+#define LPC43_MCPWM_CNTCONSET_OFFSET 0x0060 /* Count Control set address */
+#define LPC43_MCPWM_CNTCONCLR_OFFSET 0x0064 /* Count Control clear address */
+#define LPC43_MCPWM_INTF_OFFSET 0x0068 /* Interrupt flags read address */
+#define LPC43_MCPWM_INTFSET_OFFSET 0x006c /* Interrupt flags set address */
+#define LPC43_MCPWM_INTFCLR_OFFSET 0x0070 /* Interrupt flags clear address */
+#define LPC43_MCPWM_CAPCLR_OFFSET 0x0074 /* Capture clear address */
+
+/* Register addresses ***************************************************************/
+
+#define LPC43_MCPWM_CON (LPC43_MCPWM_BASE+LPC43_MCPWM_CON_OFFSET)
+#define LPC43_MCPWM_CONSET (LPC43_MCPWM_BASE+LPC43_MCPWM_CONSET_OFFSET)
+#define LPC43_MCPWM_CONCLR (LPC43_MCPWM_BASE+LPC43_MCPWM_CONCLR_OFFSET)
+#define LPC43_MCPWM_CAPCON (LPC43_MCPWM_BASE+LPC43_MCPWM_CAPCON_OFFSET)
+#define LPC43_MCPWM_CAPCONSET (LPC43_MCPWM_BASE+LPC43_MCPWM_CAPCONSET_OFFSET)
+#define LPC43_MCPWM_CAPCONCLR (LPC43_MCPWM_BASE+LPC43_MCPWM_CAPCONCLR_OFFSET)
+#define LPC43_MCPWM_TC0 (LPC43_MCPWM_BASE+LPC43_MCPWM_TC0_OFFSET)
+#define LPC43_MCPWM_TC1 (LPC43_MCPWM_BASE+LPC43_MCPWM_TC1_OFFSET)
+#define LPC43_MCPWM_TC2 (LPC43_MCPWM_BASE+LPC43_MCPWM_TC2_OFFSET)
+#define LPC43_MCPWM_LIM0 (LPC43_MCPWM_BASE+LPC43_MCPWM_LIM0_OFFSET)
+#define LPC43_MCPWM_LIM1 (LPC43_MCPWM_BASE+LPC43_MCPWM_LIM1_OFFSET)
+#define LPC43_MCPWM_LIM2 (LPC43_MCPWM_BASE+LPC43_MCPWM_LIM2_OFFSET)
+#define LPC43_MCPWM_MAT0 (LPC43_MCPWM_BASE+LPC43_MCPWM_MAT0_OFFSET)
+#define LPC43_MCPWM_MAT1 (LPC43_MCPWM_BASE+LPC43_MCPWM_MAT1_OFFSET)
+#define LPC43_MCPWM_MAT2 (LPC43_MCPWM_BASE+LPC43_MCPWM_MAT2_OFFSET)
+#define LPC43_MCPWM_DT (LPC43_MCPWM_BASE+LPC43_MCPWM_DT_OFFSET)
+#define LPC43_MCPWM_MCCP (LPC43_MCPWM_BASE+LPC43_MCPWM_MCCP_OFFSET)
+#define LPC43_MCPWM_CAP0 (LPC43_MCPWM_BASE+LPC43_MCPWM_CAP0_OFFSET)
+#define LPC43_MCPWM_CAP1 (LPC43_MCPWM_BASE+LPC43_MCPWM_CAP1_OFFSET)
+#define LPC43_MCPWM_CAP2 (LPC43_MCPWM_BASE+LPC43_MCPWM_CAP2_OFFSET)
+#define LPC43_MCPWM_INTEN (LPC43_MCPWM_BASE+LPC43_MCPWM_INTEN_OFFSET)
+#define LPC43_MCPWM_INTENSET (LPC43_MCPWM_BASE+LPC43_MCPWM_INTENSET_OFFSET)
+#define LPC43_MCPWM_INTENCLR (LPC43_MCPWM_BASE+LPC43_MCPWM_INTENCLR_OFFSET)
+#define LPC43_MCPWM_CNTCON (LPC43_MCPWM_BASE+LPC43_MCPWM_CNTCON_OFFSET)
+#define LPC43_MCPWM_CNTCONSET (LPC43_MCPWM_BASE+LPC43_MCPWM_CNTCONSET_OFFSET)
+#define LPC43_MCPWM_CNTCONCLR (LPC43_MCPWM_BASE+LPC43_MCPWM_CNTCONCLR_OFFSET)
+#define LPC43_MCPWM_INTF (LPC43_MCPWM_BASE+LPC43_MCPWM_INTF_OFFSET)
+#define LPC43_MCPWM_INTFSET (LPC43_MCPWM_BASE+LPC43_MCPWM_INTFSET_OFFSET)
+#define LPC43_MCPWM_INTFCLR (LPC43_MCPWM_BASE+LPC43_MCPWM_INTFCLR_OFFSET)
+#define LPC43_MCPWM_CAPCLR (LPC43_MCPWM_BASE+LPC43_MCPWM_CAPCLR_OFFSET)
+
+/* Register bit definitions *********************************************************/
+/* There are no bit field definitions for the following registers because they support
+ * 32-bit values:
+ *
+ * - Timer Counter register, channel 0 (TC0), Timer Counter register, channel 1 (TC1),
+ * and Timer Counter register, channel 2 (TC2): 32-bit Timer/Counter values for
+ * channels 0, 1, 2 (no bit field definitions)
+ *
+ * - Limit register, channel 0 (LIM0), Limit register, channel 1 (LIM1), and Limit
+ * register, channel 2 (LIM2): 32-bit Limit values for TC0, 1, 2 (no bit field
+ * definitions)
+ *
+ * - Match register, channel 0 MAT0), Match register, channel 1 (MAT1), and Match
+ * register, channel 2 (MAT2): 32-bit Match values for TC0, 1, 2 (no bit field
+ * definitions).
+ *
+ * - Capture register, channel 0 (CAP0), Capture register, channel 1 (CAP1), and
+ * Capture register, channel 2 (CAP2): 32-bit TC value at a capture event for
+ * channels 0, 1, 2 (no bit field definitions)
+ */
+
+/* PWM Control read address (CON), PWM Control set address (CONSET), and PWM Control
+ * clear address (CONCLR) common regiser bit definitions.
+ */
+
+#define MCPWM_CON_RUN0 (1 << 0) /* Bit 0: Stops/starts timer channel 0 */
+#define MCPWM_CON_CENTER0 (1 << 1) /* Bit 1: Chan 0 edge/center aligned operation */
+#define MCPWM_CON_POLA0 (1 << 2) /* Bit 2: Polarity of MCOA0 and MCOB0 */
+#define MCPWM_CON_DTE0 (1 << 3) /* Bit 3: Dead time feature control */
+#define MCPWM_CON_DISUP0 (1 << 4) /* Bit 4: Enable/disable register updates */
+ /* Bits 5-7: Reserved */
+#define MCPWM_CON_RUN1 (1 << 8) /* Bit 8: Stops/starts timer channel 1 */
+#define MCPWM_CON_CENTER1 (1 << 9) /* Bit 9: Chan 1 edge/center aligned operation */
+#define MCPWM_CON_POLA1 (1 << 10) /* Bit 10: Polarity of MCOA1 and MCOB1 */
+#define MCPWM_CON_DTE1 (1 << 11) /* Bit 11: Dead time feature control */
+#define MCPWM_CON_DISUP1 (1 << 12) /* Bit 12: Enable/disable register updates */
+ /* Bits 13-15: Reserved */
+#define MCPWM_CON_RUN2 (1 << 16) /* Bit 16: Stops/starts timer channel 2 */
+#define MCPWM_CON_CENTER2 (1 << 17) /* Bit 17: Chan 2 edge/center aligned operation */
+#define MCPWM_CON_POLA2 (1 << 18) /* Bit 18: Polarity of MCOA1 and MCOB1 */
+#define MCPWM_CON_DTE2 (1 << 19) /* Bit 19: Dead time feature control */
+#define MCPWM_CON_DISUP2 (1 << 20) /* Bit 20: Enable/disable register updates */
+ /* Bits 21-28: Reserved */
+#define MCPWM_CON_INVBDC (1 << 29) /* Bit 29: Polarity of MCOB outputs (all channels) */
+#define MCPWM_CON_ACMODE (1 << 30) /* Bit 30: 3-phase AC mode select */
+#define MCPWM_CON_DCMODE (1 << 31) /* Bit 31: 3-phase DC mode select */
+
+/* Capture Control read address (CAPCON), Capture Control set address (CAPCONSET),
+ * and Event Control clear address (CAPCONCLR) common register bit defintions
+ */
+
+#define MCPWM_CAPCON_CAP0MCI0RE (1 << 0) /* Bit 0: Enable chan0 rising edge capture MCI0 */
+#define MCPWM_CAPCON_CAP0MCI0FE (1 << 1) /* Bit 1: Enable chan 0 falling edge capture MCI0 */
+#define MCPWM_CAPCON_CAP0MCI1RE (1 << 2) /* Bit 2: Enable chan 0 rising edge capture MCI1 */
+#define MCPWM_CAPCON_CAP0MCI1FE (1 << 3) /* Bit 3: Enable chan 0 falling edge capture MCI1 */
+#define MCPWM_CAPCON_CAP0MCI2RE (1 << 4) /* Bit 4: Enable chan 0 rising edge capture MCI2 */
+#define MCPWM_CAPCON_CAP0MCI2FE (1 << 5) /* Bit 5: Enable chan 0 falling edge capture MCI2 */
+#define MCPWM_CAPCON_CAP1MCI0RE (1 << 6) /* Bit 6: Enable chan 1 rising edge capture MCI0 */
+#define MCPWM_CAPCON_CAP1MCI0FE (1 << 7) /* Bit 7: Enable chan 1 falling edge capture MCI0 */
+#define MCPWM_CAPCON_CAP1MCI1RE (1 << 8) /* Bit 8: Enable chan 1 rising edge capture MCI1 */
+#define MCPWM_CAPCON_CAP1MCI1FE (1 << 9) /* Bit 9: Enable chan 1 falling edge capture MCI1 */
+#define MCPWM_CAPCON_CAP1MCI2RE (1 << 10) /* Bit 10: Enable chan 1 rising edge capture MCI2 */
+#define MCPWM_CAPCON_CAP1MCI2FE (1 << 11) /* Bit 11: Enable chan 1 falling edge capture MCI2 */
+#define MCPWM_CAPCON_CAP2MCI0RE (1 << 12) /* Bit 12: Enable chan 2 rising edge capture MCI0 */
+#define MCPWM_CAPCON_CAP2MCI0FE (1 << 13) /* Bit 13: Enable chan 2 falling edge capture MCI0 */
+#define MCPWM_CAPCON_CAP2MCI1RE (1 << 14) /* Bit 14: Enable chan 2 rising edge capture MCI1 */
+#define MCPWM_CAPCON_CAP2MCI1FE (1 << 15) /* Bit 15: Enable chan 2 falling edge capture MCI1 */
+#define MCPWM_CAPCON_CAP2MCI2RE (1 << 16) /* Bit 16: Enable chan 2 rising edge capture MCI2 */
+#define MCPWM_CAPCON_CAP2MCI2FE (1 << 17) /* Bit 17: Enable chan 2 falling edge capture MCI2 */
+#define MCPWM_CAPCON_RT0 (1 << 18) /* Bit 18: TC0 reset by chan 0 capture event */
+#define MCPWM_CAPCON_RT1 (1 << 19) /* Bit 19: TC1 reset by chan 1 capture event */
+#define MCPWM_CAPCON_RT2 (1 << 20) /* Bit 20: TC2 reset by chan 2 capture event */
+ /* Bits 21-31: Reserved
+/* Dead time register */
+
+#define MCPWM_DT_DT0_SHIFT (0) /* Bits 0-9: Dead time for channel 0 */
+#define MCPWM_DT_DT0_MASK (0x03ff << MCPWM_DT_DT0_SHIFT)
+#define MCPWM_DT_DT1_SHIFT (10) /* Bits 10-19: Dead time for channel 1 */
+#define MCPWM_DT_DT1_MASK (0x03ff << MCPWM_DT_DT1_SHIFT)
+#define MCPWM_DT_DT2_SHIFT (20) /* Bits 20-29: Dead time for channel 2 */
+#define MCPWM_DT_DT2_MASK (0x03ff << MCPWM_DT_DT2_SHIFT)
+ /* Bits 30-31: reserved */
+/* Communication Pattern register */
+
+#define MCPWM_MCCP_CCPA0 (1 << 0) /* Bit 0: Iinternal MCOA0 */
+#define MCPWM_MCCP_CCPB0 (1 << 1) /* Bit 1: MCOB0 tracks internal MCOA0 */
+#define MCPWM_MCCP_CCPA1 (1 << 2) /* Bit 2: MCOA1 tracks internal MCOA0 */
+#define MCPWM_MCCP_CCPB1 (1 << 3) /* Bit 3: MCOB1 tracks internal MCOA0 */
+#define MCPWM_MCCP_CCPA2 (1 << 4) /* Bit 4: MCOA2 tracks internal MCOA0 */
+#define MCPWM_MCCP_CCPB2 (1 << 5) /* Bit 5: MCOB2 tracks internal MCOA0 */
+ /* Bits 6-31: reserved */
+
+/* Interrupt Enable read address (INTEN), Interrupt Enable set address (INTENSET),
+ * Interrupt Enable clear address (INTENCLR), Interrupt flags read address (INTF),
+ * Interrupt flags set address (INTFSET), and Interrupt flags clear address (INTFCLR)
+ * common bit field definitions
+ */
+
+#define MCPWM_INT_ILIM0 (1 << 0) /* Bit 0: Limit interrupts for channel 0 */
+#define MCPWM_INT_IMAT0 (1 << 1) /* Bit 1: Match interrupts for channel 0 */
+#define MCPWM_INT_ICAP0 (1 << 2) /* Bit 2: Capture interrupts for channel 0 */
+ /* Bit 3: Reserved */
+#define MCPWM_INT_ILIM1 (1 << 4) /* Bit 4: Limit interrupts for channel 1 */
+#define MCPWM_INT_IMAT1 (1 << 5) /* Bit 5: Match interrupts for channel 1 */
+#define MCPWM_INT_ICAP1 (1 << 6) /* Bit 6: Capture interrupts for channel 1 */
+ /* Bit 7: Reserved */
+#define MCPWM_INT_ILIM2 (1 << 8) /* Bit 8: Limit interrupts for channel 2 */
+#define MCPWM_INT_IMAT2 (1 << 9) /* Bit 9: Match interrupts for channel 2 */
+#define MCPWM_INT_ICAP2 (1 << 10) /* Bit 10: Capture interrupts for channel 2 */
+ /* Bits 11-14: Reserved */
+#define MCPWM_INT_ABORT (1 << 15) /* Bit 15: Fast abort interrupt */
+ /* Bits 16-31: Reserved */
+
+/* Count Control read address (CNTCON), Count Control set address (CNTCONSET), and
+ * Count Control clear address (CNTCONCLR) common register bit definitions.
+ */
+
+#define MCPWM_CNTCON_TC0MCI0RE (1 << 0) /* Bit 0: Counter 0 incr on rising edge MCI0 */
+#define MCPWM_CNTCON_TC0MCI0FE (1 << 1) /* Bit 1: Counter 0 incr onfalling edge MCI0 */
+#define MCPWM_CNTCON_TC0MCI1RE (1 << 2) /* Bit 2: Counter 0 incr onrising edge MCI1 */
+#define MCPWM_CNTCON_TC0MCI1FE (1 << 3) /* Bit 3: Counter 0 incr onfalling edge MCI1 */
+#define MCPWM_CNTCON_TC0MCI2RE (1 << 4) /* Bit 4: Counter 0 incr onrising edge MCI2 */
+#define MCPWM_CNTCON_TC0MCI2FE (1 << 5) /* Bit 5: Counter 0 incr onfalling edge MCI2 */
+#define MCPWM_CNTCON_TC1MCI0RE (1 << 6) /* Bit 6: Counter 1 incr onrising edge MCI0 */
+#define MCPWM_CNTCON_TC1MCI0FE (1 << 7) /* Bit 7: Counter 1 incr onfalling edge MCI0 */
+#define MCPWM_CNTCON_TC1MCI1RE (1 << 8) /* Bit 8: Counter 1 incr onrising edge MCI1 */
+#define MCPWM_CNTCON_TC1MCI1FE (1 << 9) /* Bit 9: Counter 1 incr onfalling edge MCI1 */
+#define MCPWM_CNTCON_TC1MCI2RE (1 << 10) /* Bit 10: Counter 1 incr onrising edge MCI2 */
+#define MCPWM_CNTCON_TC1MCI2FE (1 << 11) /* Bit 11: Counter 1 incr onfalling edge MCI2 */
+#define MCPWM_CNTCON_TC2MCI0RE (1 << 12) /* Bit 12: Counter 2 incr onrising edge MCI0 */
+#define MCPWM_CNTCON_TC2MCI0FE (1 << 13) /* Bit 13: Counter 2 incr onfalling edge MCI0 */
+#define MCPWM_CNTCON_TC2MCI1RE (1 << 14) /* Bit 14: Counter 2 incr onrising edge MCI1 */
+#define MCPWM_CNTCON_TC2MCI1FE (1 << 15) /* Bit 15: Counter 2 incr onfalling edge MCI1 */
+#define MCPWM_CNTCON_TC2MCI2RE (1 << 16) /* Bit 16: Counter 2 incr onrising edge MCI2 */
+#define MCPWM_CNTCON_TC2MCI2FE (1 << 17) /* Bit 17: Counter 2 incr onfalling edge MCI2 */
+ /* Bits 18-28: Reserved */
+#define MCPWM_CNTCON_CNTR0 (1 << 29) /* Bit 29: Channel 0 counter mode */
+#define MCPWM_CNTCON_CNTR1 (1 << 30) /* Bit 30: Channel 1 counter mode */
+#define MCPWM_CNTCON_CNTR2 (1 << 31) /* Bit 31: Channel 2 counter mode */
+
+/* Capture clear address */
+
+#define MCPWM_CAPCLR_CLR0 (1 << 0) /* Bit 0: Clear CAP0 register */
+#define MCPWM_CAPCLR_CLR1 (1 << 1) /* Bit 1: Clear CAP1 register */
+#define MCPWM_CAPCLR_CLR2 (1 << 2) /* Bit 2: Clear CAP2 register */
+ /* Bits 2-31: Reserved */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_MCPWM_H */
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_memorymap.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_memorymap.h
index c967fe395..39e0d9c9c 100644
--- a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_memorymap.h
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_memorymap.h
@@ -158,7 +158,7 @@
/* APB2 Peripherals */
-#define LPC43_RITIMER_BASE (LPC43_APB2PERIPH_BASE + 0x00000000)
+#define LPC43_RIT_BASE (LPC43_APB2PERIPH_BASE + 0x00000000)
#define LPC43_USART2_BASE (LPC43_APB2PERIPH_BASE + 0x00001000)
#define LPC43_USART3_BASE (LPC43_APB2PERIPH_BASE + 0x00002000)
#define LPC43_TIMER2_BASE (LPC43_APB2PERIPH_BASE + 0x00003000)
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_rit.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_rit.h
new file mode 100644
index 000000000..9764319fb
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_rit.h
@@ -0,0 +1,89 @@
+/************************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_rit.h
+ *
+ * Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ * Author: 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_LPC43XX_CHIP_LPC43_RIT_H
+#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_RIT_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register offsets *****************************************************************/
+
+#define LPC43_RIT_COMPVAL_OFFSET 0x0000 /* Compare register */
+#define LPC43_RIT_MASK_OFFSET 0x0004 /* Mask register */
+#define LPC43_RIT_CTRL_OFFSET 0x0008 /* Control register */
+#define LPC43_RIT_COUNTER_OFFSET 0x000c /* 32-bit counter */
+
+/* Register addresses ***************************************************************/
+
+#define LPC43_RIT_COMPVAL (LPC43_RIT_BASE+LPC43_RIT_COMPVAL_OFFSET)
+#define LPC43_RIT_MASK (LPC43_RIT_BASE+LPC43_RIT_MASK_OFFSET)
+#define LPC43_RIT_CTRL (LPC43_RIT_BASE+LPC43_RIT_CTRL_OFFSET)
+#define LPC43_RIT_COUNTER (LPC43_RIT_BASE+LPC43_RIT_COUNTER_OFFSET)
+
+/* Register bit definitions *********************************************************/
+/* Compare register (Bits 0-31: value compared to the counter) */
+
+/* Mask register (Bits 0-31: 32-bit mask value) */
+
+/* Control register */
+
+#define RIT_CTRL_INT (1 << 0) /* Bit 0: Interrupt flag */
+#define RIT_CTRL_ENCLR (1 << 1) /* Bit 1: Timer enable clear */
+#define RIT_CTRL_ENBR (1 << 2) /* Bit 2: Timer enable for debug */
+#define RIT_CTRL_EN (1 << 3) /* Bit 3: Timer enable */
+ /* Bits 4-31: Reserved */
+/* 32-bit counter (Bits 0-31: 32-bit up counter) */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_RIT_H */
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h
new file mode 100644
index 000000000..f2c6e0f88
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h
@@ -0,0 +1,111 @@
+/************************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_wwdt.h
+ *
+ * Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ * Author: 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_LPC43XX_LPC43_WWDT_H
+#define __ARCH_ARM_SRC_LPC43XX_LPC43_WWDT_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register offsets *****************************************************************/
+
+#define LPC43_WWDT_MOD_OFFSET 0x0000 /* Watchdog mode register */
+#define LPC43_WWDT_TC_OFFSET 0x0004 /* Watchdog timer constant register */
+#define LPC43_WWDT_FEED_OFFSET 0x0008 /* Watchdog feed sequence register */
+#define LPC43_WWDT_TV_OFFSET 0x000c /* Watchdog timer value register */
+#define LPC43_WWDT_WARNINT_OFFSET 0x0014 /* Watchdog warning interrupt register */
+#define LPC43_WWDT_WINDOW_OFFSET 0x0018 /* Watchdog timer window register */
+
+/* Register addresses ***************************************************************/
+
+#define LPC43_WWDT_MOD (LPC43_WWDT_BASE+LPC43_WWDT_MOD_OFFSET)
+#define LPC43_WWDT_TC (LPC43_WWDT_BASE+LPC43_WWDT_TC_OFFSET)
+#define LPC43_WWDT_FEED (LPC43_WWDT_BASE+LPC43_WWDT_FEED_OFFSET)
+#define LPC43_WWDT_TV (LPC43_WWDT_BASE+LPC43_WWDT_TV_OFFSET)
+#define LPC43_WWDT_WDCLKSEL (LPC43_WWDT_BASE+LPC43_WWDT_WDCLKSEL_OFFSET)
+#define LPC43_WWDT_WARNINT (LPC43_WWDT_BASE+LPC43_WWDT_WARNINT_OFFSET)
+#define LPC43_WWDT_WINDOW (LPC43_WWDT_BASE+LPC43_WWDT_WINDOW_OFFSET)
+
+/* Register bit definitions *********************************************************/
+
+/* Watchdog mode register */
+
+#define WWDT_MOD_WDEN (1 << 0) /* Bit 0: Watchdog enable */
+#define WWDT_MOD_WDRESET (1 << 1) /* Bit 1: Watchdog reset enable */
+#define WWDT_MOD_WDTOF (1 << 2) /* Bit 2: Watchdog time-out */
+#define WWDT_MOD_WDINT (1 << 3) /* Bit 3: Watchdog interrupt */
+#define WWDT_MOD_WDPROTECT (1 << 4) /* Bit 4: Watchdog update mode */
+ /* Bits 5-31: Reserved */
+/* Watchdog timer constant register */
+
+#define WWDT_TC_MASK 0x00ffffff /* Bits 0-23: Watchdog time-out value */
+ /* Bits 24-31: Reserved */
+/* Watchdog feed sequence register */
+
+#define WWDT_FEED_MASK 0xff /* Bits 0-7: Feed value: 0xaa followed by 0x55 */
+ /* Bits 14-31: Reserved */
+/* Watchdog timer value register */
+
+#define WWDT_TV_MASK 0x00ffffff /* Bits 0-23: Counter timer value */
+ /* Bits 24-31: Reserved */
+/* Watchdog warning interrupt register */
+
+#define WWDT_WARNINT_MASK 0x03ff /* Bits 0-9: Watchdog warning compare value */
+ /* Bits 10-31: Reserved */
+/* Watchdog timer window register */
+
+#define WWDT_WINDOW_MASK 0x00ffffff /* Bits 0-23: Watchdog window value */
+ /* Bits 24-31: Reserved */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_WWDT_H */