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authorpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2012-07-01 14:51:06 +0000
committerpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2012-07-01 14:51:06 +0000
commit7ae7fd606c00958cfe448a7ccc3fd9189a594865 (patch)
tree0bf4630c142d9eb16cffc51f7c1e692d39a2e843 /nuttx/arch/arm/src/lpc43xx
parentcf4cad5f9ec3a295eec07ac7ed2684f4dd6041cd (diff)
Add LPC43 UART, USART, SSP, and SPI header files
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4893 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/arch/arm/src/lpc43xx')
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h6
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_spi.h141
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_ssp.h171
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_uart.h397
-rw-r--r--nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h6
5 files changed, 715 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h
index 1837506118..f641c26284 100644
--- a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_mcpwm.h
@@ -33,8 +33,8 @@
*
************************************************************************************/
-#ifndef __ARCH_ARM_SRC_LPC43XX_LPC43_MCPWM_H
-#define __ARCH_ARM_SRC_LPC43XX_LPC43_MCPWM_H
+#ifndef __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_MCPWM_H
+#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_MCPWM_H
/************************************************************************************
* Included Files
@@ -271,4 +271,4 @@
* Public Functions
************************************************************************************/
-#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_MCPWM_H */
+#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_MCPWM_H */
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_spi.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_spi.h
new file mode 100644
index 0000000000..b00ddb2e94
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_spi.h
@@ -0,0 +1,141 @@
+/************************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_spi.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_SPI_H
+#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SPI_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+#include "lpc43_memorymap.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register offsets *****************************************************************/
+
+#define LPC43_SPI_CR_OFFSET 0x0000 /* Control Register */
+#define LPC43_SPI_SR_OFFSET 0x0004 /* SPI Status Register */
+#define LPC43_SPI_DR_OFFSET 0x0008 /* SPI Data Register */
+#define LPC43_SPI_CCR_OFFSET 0x000c /* SPI Clock Counter Register */
+#define LPC43_SPI_TCR_OFFSET 0x0010 /* SPI Test Control Register */
+#define LPC43_SPI_TSR_OFFSET 0x0014 /* SPI Test Status Register */
+#define LPC43_SPI_INT_OFFSET 0x001c /* SPI Interrupt Register */
+
+/* Register addresses ***************************************************************/
+
+#define LPC43_SPI_CR (LPC43_SPI_BASE+LPC43_SPI_CR_OFFSET)
+#define LPC43_SPI_SR (LPC43_SPI_BASE+LPC43_SPI_SR_OFFSET)
+#define LPC43_SPI_DR (LPC43_SPI_BASE+LPC43_SPI_DR_OFFSET)
+#define LPC43_SPI_CCR (LPC43_SPI_BASE+LPC43_SPI_CCR_OFFSET)
+#define LPC43_TCR_CCR (LPC43_SPI_BASE+LPC43_SPI_TCR_OFFSET)
+#define LPC43_TSR_CCR (LPC43_SPI_BASE+LPC43_SPI_TSR_OFFSET)
+#define LPC43_SPI_INT (LPC43_SPI_BASE+LPC43_SPI_INT_OFFSET)
+
+/* Register bit definitions *********************************************************/
+
+/* Control Register */
+ /* Bits 0-1: Reserved */
+#define SPI_CR_BITENABLE (1 << 2) /* Bit 2: Enable word size selected by BITS */
+#define SPI_CR_CPHA (1 << 3) /* Bit 3: Clock phase control */
+#define SPI_CR_CPOL (1 << 4) /* Bit 4: Clock polarity control */
+#define SPI_CR_MSTR (1 << 5) /* Bit 5: Master mode select */
+#define SPI_CR_LSBF (1 << 6) /* Bit 6: SPI data is transferred LSB first */
+#define SPI_CR_SPIE (1 << 7) /* Bit 7: Serial peripheral interrupt enable */
+#define SPI_CR_BITS_SHIFT (8) /* Bits 8-11: Number of bits per word (BITENABLE==1) */
+#define SPI_CR_BITS_MASK (15 << SPI_CR_BITS_SHIFT)
+# define SPI_CR_BITS_8BITS (8 << SPI_CR_BITS_SHIFT) /* 8 bits per transfer */
+# define SPI_CR_BITS_9BITS (9 << SPI_CR_BITS_SHIFT) /* 9 bits per transfer */
+# define SPI_CR_BITS_10BITS (10 << SPI_CR_BITS_SHIFT) /* 10 bits per transfer */
+# define SPI_CR_BITS_11BITS (11 << SPI_CR_BITS_SHIFT) /* 11 bits per transfer */
+# define SPI_CR_BITS_12BITS (12 << SPI_CR_BITS_SHIFT) /* 12 bits per transfer */
+# define SPI_CR_BITS_13BITS (13 << SPI_CR_BITS_SHIFT) /* 13 bits per transfer */
+# define SPI_CR_BITS_14BITS (14 << SPI_CR_BITS_SHIFT) /* 14 bits per transfer */
+# define SPI_CR_BITS_15BITS (15 << SPI_CR_BITS_SHIFT) /* 15 bits per transfer */
+# define SPI_CR_BITS_16BITS (0 << SPI_CR_BITS_SHIFT) /* 16 bits per transfer */
+ /* Bits 12-31: Reserved */
+/* SPI Status Register */
+ /* Bits 0-2: Reserved */
+#define SPI_SR_ABRT (1 << 3) /* Bit 3: Slave abort */
+#define SPI_SR_MODF (1 << 4) /* Bit 4: Mode fault */
+#define SPI_SR_ROVR (1 << 5) /* Bit 5: Read overrun */
+#define SPI_SR_WCOL (1 << 6) /* Bit 6: Write collision */
+#define SPI_SR_SPIF (1 << 7) /* Bit 7: SPI transfer complete */
+ /* Bits 8-31: Reserved */
+/* SPI Data Register */
+
+#define SPI_DR_MASK (0xff) /* Bits 0-15: SPI Bi-directional data port */
+#define SPI_DR_MASKWIDE (0xffff) /* Bits 0-15: If SPI_CR_BITENABLE != 0 */
+ /* Bits 8-31: Reserved */
+/* SPI Clock Counter Register */
+
+#define SPI_CCR_MASK (0xff) /* Bits 0-7: SPI Clock counter setting */
+ /* Bits 8-31: Reserved */
+/* SPI Test Control Register */
+ /* Bit 0: Reserved */
+#define SPI_TCR_TEST_SHIFT (1) /* Bits 1-7: SPI test mode */
+#define SPI_TCR_TEST_MASK (0x7f << SPI_TCR_TEST_SHIFT)
+ /* Bits 8-31: Reserved */
+/* SPI Test Status Register */
+ /* Bits 0-2: Reserved */
+#define SPI_TSR_ABRT (1 << 3) /* Bit 3: Slave abort */
+#define SPI_TSR_MODF (1 << 4) /* Bit 4: Mode fault */
+#define SPI_TSR_ROVR (1 << 5) /* Bit 5: Read overrun */
+#define SPI_TSR_WCOL (1 << 6) /* Bit 6: Write collision */
+#define SPI_TSR_SPIF (1 << 7) /* Bit 7: SPI transfer complete */
+ /* Bits 8-31: Reserved */
+/* SPI Interrupt Register */
+
+#define SPI_INT_SPIF (1 << 0) /* SPI interrupt */
+ /* Bits 1-31: Reserved */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SPI_H */
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_ssp.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_ssp.h
new file mode 100644
index 0000000000..a46e333ce8
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_ssp.h
@@ -0,0 +1,171 @@
+/************************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_ssp.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_SSP_H
+#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SSP_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+/* 8 frame FIFOs for both transmit and receive */
+
+#define LPC43_SSP_FIFOSZ 8
+
+/* Register offsets *****************************************************************/
+
+#define LPC43_SSP_CR0_OFFSET 0x0000 /* Control Register 0 */
+#define LPC43_SSP_CR1_OFFSET 0x0004 /* Control Register 1 */
+#define LPC43_SSP_DR_OFFSET 0x0008 /* Data Register */
+#define LPC43_SSP_SR_OFFSET 0x000c /* Status Register */
+#define LPC43_SSP_CPSR_OFFSET 0x0010 /* Clock Prescale Register */
+#define LPC43_SSP_IMSC_OFFSET 0x0014 /* Interrupt Mask Set and Clear Register */
+#define LPC43_SSP_RIS_OFFSET 0x0018 /* Raw Interrupt Status Register */
+#define LPC43_SSP_MIS_OFFSET 0x001c /* Masked Interrupt Status Register */
+#define LPC43_SSP_ICR_OFFSET 0x0020 /* Interrupt Clear Register */
+#define LPC43_SSP_DMACR_OFFSET 0x0024 /* DMA Control Register */
+
+/* Register addresses ***************************************************************/
+
+#define LPC43_SSP0_CR0 (LPC43_SSP0_BASE+LPC43_SSP_CR0_OFFSET)
+#define LPC43_SSP0_CR1 (LPC43_SSP0_BASE+LPC43_SSP_CR1_OFFSET)
+#define LPC43_SSP0_DR (LPC43_SSP0_BASE+LPC43_SSP_DR_OFFSET)
+#define LPC43_SSP0_SR (LPC43_SSP0_BASE+LPC43_SSP_SR_OFFSET)
+#define LPC43_SSP0_CPSR (LPC43_SSP0_BASE+LPC43_SSP_CPSR_OFFSET)
+#define LPC43_SSP0_IMSC (LPC43_SSP0_BASE+LPC43_SSP_IMSC_OFFSET)
+#define LPC43_SSP0_RIS (LPC43_SSP0_BASE+LPC43_SSP_RIS_OFFSET)
+#define LPC43_SSP0_MIS (LPC43_SSP0_BASE+LPC43_SSP_MIS_OFFSET)
+#define LPC43_SSP0_ICR (LPC43_SSP0_BASE+LPC43_SSP_ICR_OFFSET)
+#define LPC43_SSP0_DMACR (LPC43_SSP0_BASE+LPC43_SSP_DMACR_OFFSET)
+
+#define LPC43_SSP1_CR0 (LPC43_SSP1_BASE+LPC43_SSP_CR0_OFFSET)
+#define LPC43_SSP1_CR1 (LPC43_SSP1_BASE+LPC43_SSP_CR1_OFFSET)
+#define LPC43_SSP1_DR (LPC43_SSP1_BASE+LPC43_SSP_DR_OFFSET)
+#define LPC43_SSP1_SR (LPC43_SSP1_BASE+LPC43_SSP_SR_OFFSET)
+#define LPC43_SSP1_CPSR (LPC43_SSP1_BASE+LPC43_SSP_CPSR_OFFSET)
+#define LPC43_SSP1_IMSC (LPC43_SSP1_BASE+LPC43_SSP_IMSC_OFFSET)
+#define LPC43_SSP1_RIS (LPC43_SSP1_BASE+LPC43_SSP_RIS_OFFSET)
+#define LPC43_SSP1_MIS (LPC43_SSP1_BASE+LPC43_SSP_MIS_OFFSET)
+#define LPC43_SSP1_ICR (LPC43_SSP1_BASE+LPC43_SSP_ICR_OFFSET)
+#define LPC43_SSP1_DMACR (LPC43_SSP1_BASE+LPC43_SSP_DMACR_OFFSET)
+
+/* Register bit definitions *********************************************************/
+/* Control Register 0 */
+
+#define SSP_CR0_DSS_SHIFT (0) /* Bits 0-3: DSS Data Size Select */
+#define SSP_CR0_DSS_MASK (15 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_4BIT (3 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_5BIT (4 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_6BIT (5 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_7BIT (6 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_8BIT (7 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_9BIT (8 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_10BIT (9 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_11BIT (10 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_12BIT (11 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_13BIT (12 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_14BIT (13 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_15BIT (14 << SSP_CR0_DSS_SHIFT)
+# define SSP_CR0_DSS_16BIT (15 << SSP_CR0_DSS_SHIFT)
+#define SSP_CR0_FRF_SHIFT (4) /* Bits 4-5: FRF Frame Format */
+#define SSP_CR0_FRF_MASK (3 << SSP_CR0_FRF_SHIFT)
+# define SSP_CR0_FRF_SPI (0 << SSP_CR0_FRF_SHIFT)
+# define SSP_CR0_FRF_TI (1 << SSP_CR0_FRF_SHIFT)
+# define SSP_CR0_FRF_UWIRE (2 << SSP_CR0_FRF_SHIFT)
+#define SSP_CR0_CPOL (1 << 6) /* Bit 6: Clock Out Polarity */
+#define SSP_CR0_CPHA (1 << 7) /* Bit 7: Clock Out Phase */
+#define SSP_CR0_SCR_SHIFT (8) /* Bits 8-15: Serial Clock Rate */
+#define SSP_CR0_SCR_MASK (0xff << SSP_CR0_SCR_SHIFT)
+ /* Bits 8-31: Reserved */
+/* Control Register 1 */
+
+#define SSP_CR1_LBM (1 << 0) /* Bit 0: Loop Back Mode */
+#define SSP_CR1_SSE (1 << 1) /* Bit 1: SSP Enable */
+#define SSP_CR1_MS (1 << 2) /* Bit 2: Master/Slave Mode */
+#define SSP_CR1_SOD (1 << 3) /* Bit 3: Slave Output Disable */
+ /* Bits 4-31: Reserved */
+/* Data Register */
+
+#define SSP_DR_MASK (0xffff) /* Bits 0-15: Data */
+ /* Bits 16-31: Reserved */
+/* Status Register */
+
+#define SSP_SR_TFE (1 << 0) /* Bit 0: Transmit FIFO Empty */
+#define SSP_SR_TNF (1 << 1) /* Bit 1: Transmit FIFO Not Full */
+#define SSP_SR_RNE (1 << 2) /* Bit 2: Receive FIFO Not Empty */
+#define SSP_SR_RFF (1 << 3) /* Bit 3: Receive FIFO Full */
+#define SSP_SR_BSY (1 << 4) /* Bit 4: Busy */
+ /* Bits 5-31: Reserved */
+/* Clock Prescale Register */
+
+#define SSP_CPSR_DVSR_MASK (0xff) /* Bits 0-7: clock = SSP_PCLK/DVSR */
+ /* Bits 8-31: Reserved */
+/* Common format for interrupt control registers:
+ *
+ * Interrupt Mask Set and Clear Register (IMSC)
+ * Raw Interrupt Status Register (RIS)
+ * Masked Interrupt Status Register (MIS)
+ * Interrupt Clear Register (ICR)
+ */
+
+#define SSP_INT_ROR (1 << 0) /* Bit 0: RX FIFO overrun */
+#define SSP_INT_RT (1 << 1) /* Bit 1: RX FIFO timeout */
+#define SSP_INT_RX (1 << 2) /* Bit 2: RX FIFO at least half full (not ICR) */
+#define SSP_INT_TX (1 << 3 ) /* Bit 3: TX FIFO at least half empy (not ICR) */
+ /* Bits 4-31: Reserved */
+/* DMA Control Register */
+
+#define SSP_DMACR_RXDMAE (1 << 0) /* Bit 0: Receive DMA Enable */
+#define SSP_DMACR_TXDMAE (1 << 1) /* Bit 1: Transmit DMA Enable */
+ /* Bits 2-31: Reserved */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_SSP_H */
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_uart.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_uart.h
new file mode 100644
index 0000000000..aae538a86a
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_uart.h
@@ -0,0 +1,397 @@
+/********************************************************************************************
+ * arch/arm/src/lpc43xx/lpc43_uart.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_UART_H
+#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_UART_H
+
+/********************************************************************************************
+ * Included Files
+ ********************************************************************************************/
+
+#include <nuttx/config.h>
+
+/********************************************************************************************
+ * Pre-processor Definitions
+ ********************************************************************************************/
+
+/* Register offsets *************************************************************************/
+/* Common Register Offsets */
+
+#define LPC43_UART_RBR_OFFSET 0x0000 /* (DLAB =0) Receiver Buffer Register */
+#define LPC43_UART_THR_OFFSET 0x0000 /* (DLAB =0) Transmit Holding Register */
+#define LPC43_UART_DLL_OFFSET 0x0000 /* (DLAB =1) Divisor Latch LSB */
+#define LPC43_UART_DLM_OFFSET 0x0004 /* (DLAB =1) Divisor Latch MSB */
+#define LPC43_UART_IER_OFFSET 0x0004 /* (DLAB =0) Interrupt Enable Register */
+#define LPC43_UART_IIR_OFFSET 0x0008 /* Interrupt ID Register */
+#define LPC43_UART_FCR_OFFSET 0x0008 /* FIFO Control Register */
+#define LPC43_UART_LCR_OFFSET 0x000c /* Line Control Register */
+#define LPC43_UART_LSR_OFFSET 0x0014 /* Line Status Register */
+#define LPC43_UART_SCR_OFFSET 0x001c /* Scratch Pad Register */
+#define LPC43_UART_ACR_OFFSET 0x0020 /* Auto-baud Control Register */
+#define LPC43_UART_FDR_OFFSET 0x0028 /* Fractional Divider Register */
+
+#define LPC43_UART_RS485CTRL_OFFSET 0x004c /* RS-485/EIA-485 Control */
+#define LPC43_UART_ADRMATCH_OFFSET 0x0050 /* RS-485/EIA-485 address match */
+#define LPC43_UART_RS485DLY_OFFSET 0x0054 /* RS-485/EIA-485 direction control delay */
+
+/* Registers available only on UART1 */
+
+#define LPC43_UART_MCR_OFFSET 0x0010 /* Modem Control Register */
+#define LPC43_UART_MSR_OFFSET 0x0018 /* Modem Status Register */
+#define LPC43_UART_TER_OFFSET 0x0030 /* Transmit Enable Register */
+
+/* Registers available only on USART0,2,3 */
+
+#define LPC43_USART_ICR_OFFSET 0x0024 /* IrDA Control Register */
+#define LPC43_USART_OSR_OFFSET 0x002c /* Oversampling Register */
+#define LPC43_USART_HDEN_OFFSET 0x0040 /* Half-duplex enable Register */
+#define LPC43_USART_SCICTRL_OFFSET 0x0048 /* Smart card interface control register */
+#define LPC43_USART_SYNCCTRL_OFFSET 0x0058 /* Synchronous mode control register */
+#define LPC43_USART_TER_OFFSET 0x005c /* Transmit Enable Register */
+
+/* Register addresses ***********************************************************************/
+
+#define LPC43_USART0_RBR (LPC43_USART0_BASE+LPC43_UART_RBR_OFFSET)
+#define LPC43_USART0_THR (LPC43_USART0_BASE+LPC43_UART_THR_OFFSET)
+#define LPC43_USART0_DLL (LPC43_USART0_BASE+LPC43_UART_DLL_OFFSET)
+#define LPC43_USART0_DLM (LPC43_USART0_BASE+LPC43_UART_DLM_OFFSET)
+#define LPC43_USART0_IER (LPC43_USART0_BASE+LPC43_UART_IER_OFFSET)
+#define LPC43_USART0_IIR (LPC43_USART0_BASE+LPC43_UART_IIR_OFFSET)
+#define LPC43_USART0_FCR (LPC43_USART0_BASE+LPC43_UART_FCR_OFFSET)
+#define LPC43_USART0_LCR (LPC43_USART0_BASE+LPC43_UART_LCR_OFFSET)
+#define LPC43_USART0_LSR (LPC43_USART0_BASE+LPC43_UART_LSR_OFFSET)
+#define LPC43_USART0_SCR (LPC43_USART0_BASE+LPC43_UART_SCR_OFFSET)
+#define LPC43_USART0_ACR (LPC43_USART0_BASE+LPC43_UART_ACR_OFFSET)
+#define LPC43_USART0_ICR (LPC43_USART0_BASE+LPC43_USART_ICR_OFFSET)
+#define LPC43_USART0_FDR (LPC43_USART0_BASE+LPC43_UART_FDR_OFFSET)
+#define LPC43_USART0_OSR (LPC43_USART0_BASE+LPC43_USART_OSR_OFFSET)
+#define LPC43_USART0_HDEM (LPC43_USART0_BASE+LPC43_USART_HDEN_OFFSET)
+#define LPC43_USART0_SCICTRL (LPC43_USART0_BASE+LPC43_USART_SCICTRL_OFFSET)
+#define LPC43_USART0_RS485CTRL (LPC43_USART0_BASE+LPC43_UART_RS485CTRL_OFFSET)
+#define LPC43_USART0_ADRMATCH (LPC43_USART0_BASE+LPC43_UART_ADRMATCH_OFFSET)
+#define LPC43_USART0_RS485DLY (LPC43_USART0_BASE+LPC43_UART_RS485DLY_OFFSET)
+#define LPC43_USART0_SYNCCTRL (LPC43_USART0_BASE+LPC43_USART_SYNCCTRL_OFFSET)
+#define LPC43_USART0_TER (LPC43_USART0_BASE+LPC43_USART_TER_OFFSET)
+
+#define LPC43_UART1_RBR (LPC43_UART1_BASE+LPC43_UART_RBR_OFFSET)
+#define LPC43_UART1_THR (LPC43_UART1_BASE+LPC43_UART_THR_OFFSET)
+#define LPC43_UART1_DLL (LPC43_UART1_BASE+LPC43_UART_DLL_OFFSET)
+#define LPC43_UART1_DLM (LPC43_UART1_BASE+LPC43_UART_DLM_OFFSET)
+#define LPC43_UART1_IER (LPC43_UART1_BASE+LPC43_UART_IER_OFFSET)
+#define LPC43_UART1_IIR (LPC43_UART1_BASE+LPC43_UART_IIR_OFFSET)
+#define LPC43_UART1_FCR (LPC43_UART1_BASE+LPC43_UART_FCR_OFFSET)
+#define LPC43_UART1_LCR (LPC43_UART1_BASE+LPC43_UART_LCR_OFFSET)
+#define LPC43_UART1_MCR (LPC43_UART1_BASE+LPC43_UART_MCR_OFFSET)
+#define LPC43_UART1_LSR (LPC43_UART1_BASE+LPC43_UART_LSR_OFFSET)
+#define LPC43_UART1_MSR (LPC43_UART1_BASE+LPC43_UART_MSR_OFFSET)
+#define LPC43_UART1_SCR (LPC43_UART1_BASE+LPC43_UART_SCR_OFFSET)
+#define LPC43_UART1_ACR (LPC43_UART1_BASE+LPC43_UART_ACR_OFFSET)
+#define LPC43_UART1_FDR (LPC43_UART1_BASE+LPC43_UART_FDR_OFFSET)
+#define LPC43_UART1_TER (LPC43_UART1_BASE+LPC43_UART_TER_OFFSET)
+#define LPC43_UART1_RS485CTRL (LPC43_UART1_BASE+LPC43_UART_RS485CTRL_OFFSET)
+#define LPC43_UART1_ADRMATCH (LPC43_UART1_BASE+LPC43_UART_ADRMATCH_OFFSET)
+#define LPC43_UART1_RS485DLY (LPC43_UART1_BASE+LPC43_UART_RS485DLY_OFFSET)
+
+#define LPC43_USART1_RBR (LPC43_USART1_BASE+LPC43_UART_RBR_OFFSET)
+#define LPC43_USART1_THR (LPC43_USART1_BASE+LPC43_UART_THR_OFFSET)
+#define LPC43_USART1_DLL (LPC43_USART1_BASE+LPC43_UART_DLL_OFFSET)
+#define LPC43_USART1_DLM (LPC43_USART1_BASE+LPC43_UART_DLM_OFFSET)
+#define LPC43_USART1_IER (LPC43_USART1_BASE+LPC43_UART_IER_OFFSET)
+#define LPC43_USART1_IIR (LPC43_USART1_BASE+LPC43_UART_IIR_OFFSET)
+#define LPC43_USART1_FCR (LPC43_USART1_BASE+LPC43_UART_FCR_OFFSET)
+#define LPC43_USART1_LCR (LPC43_USART1_BASE+LPC43_UART_LCR_OFFSET)
+#define LPC43_USART1_LSR (LPC43_USART1_BASE+LPC43_UART_LSR_OFFSET)
+#define LPC43_USART1_SCR (LPC43_USART1_BASE+LPC43_UART_SCR_OFFSET)
+#define LPC43_USART1_ACR (LPC43_USART1_BASE+LPC43_UART_ACR_OFFSET)
+#define LPC43_USART1_ICR (LPC43_USART1_BASE+LPC43_USART_ICR_OFFSET)
+#define LPC43_USART1_FDR (LPC43_USART1_BASE+LPC43_UART_FDR_OFFSET)
+#define LPC43_USART1_OSR (LPC43_USART1_BASE+LPC43_USART_OSR_OFFSET)
+#define LPC43_USART1_HDEM (LPC43_USART1_BASE+LPC43_USART_HDEN_OFFSET)
+#define LPC43_USART1_SCICTRL (LPC43_USART1_BASE+LPC43_USART_SCICTRL_OFFSET)
+#define LPC43_USART1_RS485CTRL (LPC43_USART1_BASE+LPC43_UART_RS485CTRL_OFFSET)
+#define LPC43_USART1_ADRMATCH (LPC43_USART1_BASE+LPC43_UART_ADRMATCH_OFFSET)
+#define LPC43_USART1_RS485DLY (LPC43_USART1_BASE+LPC43_UART_RS485DLY_OFFSET)
+#define LPC43_USART1_SYNCCTRL (LPC43_USART1_BASE+LPC43_USART_SYNCCTRL_OFFSET)
+#define LPC43_USART1_TER (LPC43_USART1_BASE+LPC43_USART_TER_OFFSET)
+
+#define LPC43_USART2_RBR (LPC43_USART2_BASE+LPC43_UART_RBR_OFFSET)
+#define LPC43_USART2_THR (LPC43_USART2_BASE+LPC43_UART_THR_OFFSET)
+#define LPC43_USART2_DLL (LPC43_USART2_BASE+LPC43_UART_DLL_OFFSET)
+#define LPC43_USART2_DLM (LPC43_USART2_BASE+LPC43_UART_DLM_OFFSET)
+#define LPC43_USART2_IER (LPC43_USART2_BASE+LPC43_UART_IER_OFFSET)
+#define LPC43_USART2_IIR (LPC43_USART2_BASE+LPC43_UART_IIR_OFFSET)
+#define LPC43_USART2_FCR (LPC43_USART2_BASE+LPC43_UART_FCR_OFFSET)
+#define LPC43_USART2_LCR (LPC43_USART2_BASE+LPC43_UART_LCR_OFFSET)
+#define LPC43_USART2_LSR (LPC43_USART2_BASE+LPC43_UART_LSR_OFFSET)
+#define LPC43_USART2_SCR (LPC43_USART2_BASE+LPC43_UART_SCR_OFFSET)
+#define LPC43_USART2_ACR (LPC43_USART2_BASE+LPC43_UART_ACR_OFFSET)
+#define LPC43_USART2_ICR (LPC43_USART2_BASE+LPC43_USART_ICR_OFFSET)
+#define LPC43_USART2_FDR (LPC43_USART2_BASE+LPC43_UART_FDR_OFFSET)
+#define LPC43_USART2_OSR (LPC43_USART2_BASE+LPC43_USART_OSR_OFFSET)
+#define LPC43_USART2_HDEM (LPC43_USART2_BASE+LPC43_USART_HDEN_OFFSET)
+#define LPC43_USART2_SCICTRL (LPC43_USART2_BASE+LPC43_USART_SCICTRL_OFFSET)
+#define LPC43_USART2_RS485CTRL (LPC43_USART2_BASE+LPC43_UART_RS485CTRL_OFFSET)
+#define LPC43_USART2_ADRMATCH (LPC43_USART2_BASE+LPC43_UART_ADRMATCH_OFFSET)
+#define LPC43_USART2_RS485DLY (LPC43_USART2_BASE+LPC43_UART_RS485DLY_OFFSET)
+#define LPC43_USART2_SYNCCTRL (LPC43_USART2_BASE+LPC43_USART_SYNCCTRL_OFFSET)
+#define LPC43_USART2_TER (LPC43_USART2_BASE+LPC43_USART_TER_OFFSET)
+
+/* Register bit definitions *****************************************************************/
+
+/* RBR (DLAB =0) Receiver Buffer Register */
+
+#define UART_RBR_MASK (0xff) /* Bits 0-7: Oldest received byte in RX FIFO */
+ /* Bits 8-31: Reserved */
+
+/* THR (DLAB =0) Transmit Holding Register */
+
+#define UART_THR_MASK (0xff) /* Bits 0-7: Adds byte to TX FIFO */
+ /* Bits 8-31: Reserved */
+
+/* DLL (DLAB =1) Divisor Latch LSB */
+
+#define UART_DLL_MASK (0xff) /* Bits 0-7: DLL */
+ /* Bits 8-31: Reserved */
+
+/* DLM (DLAB =1) Divisor Latch MSB */
+
+#define UART_DLM_MASK (0xff) /* Bits 0-7: DLM */
+ /* Bits 8-31: Reserved */
+
+/* IER (DLAB =0) Interrupt Enable Register */
+
+#define UART_IER_RBRIE (1 << 0) /* Bit 0: RBR Interrupt Enable */
+#define UART_IER_THREIE (1 << 1) /* Bit 1: THRE Interrupt Enable */
+#define UART_IER_RXIE (1 << 2) /* Bit 2: RX Line Status Interrupt Enable */
+#define UART_IER_MSIE (1 << 3) /* Bit 3: Modem Status Interrupt Enable (UART only) */
+ /* Bits 4-6: Reserved */
+#define UART_IER_CTSIE (1 << 7) /* Bit 7: CTS transition interrupt (UART only) */
+#define UART_IER_ABEOIE (1 << 8) /* Bit 8: Enables the end of auto-baud interrupt */
+#define UART_IER_ABTOIE (1 << 9) /* Bit 9: Enables the auto-baud time-out interrupt */
+ /* Bits 10-31: Reserved */
+#define UART_IER_ALLIE (0x038f)
+#define USART_IER_ALLIE (0x0307)
+
+/* IIR Interrupt ID Register */
+
+#define UART_IIR_INTSTATUS (1 << 0) /* Bit 0: Interrupt status (active low) */
+#define UART_IIR_INTID_SHIFT (1) /* Bits 1-3: Interrupt identification */
+#define UART_IIR_INTID_MASK (7 << UART_IIR_INTID_SHIFT)
+# define UART_IIR_INTID_MSI (0 << UART_IIR_INTID_SHIFT) /* Modem Status (UART only) */
+# define UART_IIR_INTID_THRE (1 << UART_IIR_INTID_SHIFT) /* THRE Interrupt */
+# define UART_IIR_INTID_RDA (2 << UART_IIR_INTID_SHIFT) /* 2a - Receive Data Available (RDA) */
+# define UART_IIR_INTID_RLS (3 << UART_IIR_INTID_SHIFT) /* 1 - Receive Line Status (RLS) */
+# define UART_IIR_INTID_CTI (6 << UART_IIR_INTID_SHIFT) /* 2b - Character Time-out Indicator (CTI) */
+ /* Bits 4-5: Reserved */
+#define UART_IIR_FIFOEN_SHIFT (6) /* Bits 6-7: Copies of FCR[0] */
+#define UART_IIR_FIFOEN_MASK (3 << UART_IIR_FIFOEN_SHIFT)
+#define UART_IIR_ABEOINT (1 << 8) /* Bit 8: End of auto-baud interrupt */
+#define UART_IIR_ABTOINT (1 << 9) /* Bit 9: Auto-baud time-out interrupt */
+ /* Bits 10-31: Reserved */
+/* FCR FIFO Control Register */
+
+#define UART_FCR_FIFOEN (1 << 0) /* Bit 0: Enable FIFOs */
+#define UART_FCR_RXRST (1 << 1) /* Bit 1: RX FIFO Reset */
+#define UART_FCR_TXRST (1 << 2) /* Bit 2: TX FIFO Reset */
+#define UART_FCR_DMAMODE (1 << 3) /* Bit 3: DMA Mode Select */
+ /* Bits 4-5: Reserved */
+#define UART_FCR_RXTRIGGER_SHIFT (6) /* Bits 6-7: RX Trigger Level */
+#define UART_FCR_RXTRIGGER_MASK (3 << UART_FCR_RXTRIGGER_SHIFT)
+# define UART_FCR_RXTRIGGER_0 (0 << UART_FCR_RXTRIGGER_SHIFT) /* Trigger level 0 (1 char) */
+# define UART_FCR_RXTRIGGER_4 (1 << UART_FCR_RXTRIGGER_SHIFT) /* Trigger level 1 (4 chars) */
+# define UART_FCR_RXTRIGGER_8 (2 << UART_FCR_RXTRIGGER_SHIFT) /* Trigger level 2 (8 chars) */
+# define UART_FCR_RXTRIGGER_14 (3 << UART_FCR_RXTRIGGER_SHIFT) /* Trigger level 3 (14 chars) */
+ /* Bits 8-31: Reserved */
+/* LCR Line Control Register */
+
+#define UART_LCR_WLS_SHIFT (0) /* Bit 0-1: Word Length Select */
+#define UART_LCR_WLS_MASK (3 << UART_LCR_WLS_SHIFT)
+# define UART_LCR_WLS_5BIT (0 << UART_LCR_WLS_SHIFT)
+# define UART_LCR_WLS_6BIT (1 << UART_LCR_WLS_SHIFT)
+# define UART_LCR_WLS_7BIT (2 << UART_LCR_WLS_SHIFT)
+# define UART_LCR_WLS_8BIT (3 << UART_LCR_WLS_SHIFT)
+#define UART_LCR_STOP (1 << 2) /* Bit 2: Stop Bit Select */
+#define UART_LCR_PE (1 << 3) /* Bit 3: Parity Enable */
+#define UART_LCR_PS_SHIFT (4) /* Bits 4-5: Parity Select */
+#define UART_LCR_PS_MASK (3 << UART_LCR_PS_SHIFT)
+# define UART_LCR_PS_ODD (0 << UART_LCR_PS_SHIFT) /* Odd parity */
+# define UART_LCR_PS_EVEN (1 << UART_LCR_PS_SHIFT) /* Even Parity */
+# define UART_LCR_PS_STICKY1 (2 << UART_LCR_PS_SHIFT) /* Forced "1" stick parity */
+# define UART_LCR_PS_STICKY0 (3 << UART_LCR_PS_SHIFT) /* Forced "0" stick parity */
+#define UART_LCR_BRK (1 << 6) /* Bit 6: Break Control */
+#define UART_LCR_DLAB (1 << 7) /* Bit 7: Divisor Latch Access Bit (DLAB) */
+ /* Bits 8-31: Reserved */
+/* MCR Modem Control Register (UART only) */
+
+#define UART_MCR_DTR (1 << 0) /* Bit 0: DTR Control Source for DTR output */
+#define UART_MCR_RTS (1 << 1) /* Bit 1: Control Source for RTS output */
+ /* Bits 2-3: Reserved */
+#define UART_MCR_LPBK (1 << 4) /* Bit 4: Loopback Mode Select */
+ /* Bit 5: Reserved */
+#define UART_MCR_RTSEN (1 << 6) /* Bit 6: Enable auto-RTS flow control */
+#define UART_MCR_CTSEN (1 << 7) /* Bit 7: Enable auto-CTS flow control */
+ /* Bits 8-31: Reserved */
+/* LSR Line Status Register */
+
+#define UART_LSR_RDR (1 << 0) /* Bit 0: Receiver Data Ready */
+#define UART_LSR_OE (1 << 1) /* Bit 1: Overrun Error */
+#define UART_LSR_PE (1 << 2) /* Bit 2: Parity Error */
+#define UART_LSR_FE (1 << 3) /* Bit 3: Framing Error */
+#define UART_LSR_BI (1 << 4) /* Bit 4: Break Interrupt */
+#define UART_LSR_THRE (1 << 5) /* Bit 5: Transmitter Holding Register Empty */
+#define UART_LSR_TEMT (1 << 6) /* Bit 6: Transmitter Empty */
+#define UART_LSR_RXFE (1 << 7) /* Bit 7: Error in RX FIFO (RXFE) */
+#define USART_LSR_RXFE (1 << 8) /* Bit 8: Error in transmitted char (USART onlY) */
+ /* Bits 8-31: Reserved */
+/* MSR Modem Status Register (UART only) */
+
+#define UART_MSR_DCTS (1 << 0) /* Bit 0: Delta CTS. CTS state change */
+#define UART_MSR_DDSR (1 << 1) /* Bit 1: Delta DSR. DSR state change */
+#define UART_MSR_TERI (1 << 2) /* Bit 2: Trailing Edge RI */
+#define UART_MSR_DDCD (1 << 3) /* Bit 3: Delta DCD. DCD state change */
+#define UART_MSR_CTS (1 << 4) /* Bit 4: CTS State */
+#define UART_MSR_DSR (1 << 5) /* Bit 5: DSR State */
+#define UART_MSR_RI (1 << 6) /* Bit 6: Ring Indicator State */
+#define UART_MSR_DCD (1 << 7) /* Bit 7: Data Carrier Detect State */
+ /* Bits 8-31: Reserved */
+/* SCR Scratch Pad Register */
+
+#define UART_SCR_MASK (0xff) /* Bits 0-7: SCR data */
+ /* Bits 8-31: Reserved */
+/* ACR Auto-baud Control Register */
+
+#define UART_ACR_START (1 << 0) /* Bit 0: Auto-baud start/running*/
+#define UART_ACR_MODE (1 << 1) /* Bit 1: Auto-baud mode select*/
+#define UART_ACR_AUTORESTART (1 << 2) /* Bit 2: Restart in case of time-out*/
+ /* Bits 3-7: Reserved */
+#define UART_ACR_ABEOINTCLR (1 << 8) /* Bit 8: End of auto-baud interrupt clear */
+#define UART_ACR_ABTOINTCLRT (1 << 9) /* Bit 9: Auto-baud time-out interrupt clear */
+ /* Bits 10-31: Reserved */
+/* ICA IrDA Control Register (UART0,2,3 only) */
+
+#define UART_ICR_IRDAEN (1 << 0) /* Bit 0: Enable IrDA mode */
+#define UART_ICR_IRDAINV (1 << 1) /* Bit 1: Invert serial input */
+#define UART_ICR_FIXPULSEEN (1 << 2) /* Bit 2: Enable IrDA fixed pulse width mode */
+#define UART_ICR_PULSEDIV_SHIFT (3) /* Bits 3-5: Configures the pulse when FixPulseEn = 1 */
+#define UART_ICR_PULSEDIV_MASK (7 << UART_ICR_PULSEDIV_SHIFT)
+# define UART_ICR_PULSEDIV_2TPCLK (0 << UART_ICR_PULSEDIV_SHIFT) /* 2 x TPCLK */
+# define UART_ICR_PULSEDIV_4TPCLK (1 << UART_ICR_PULSEDIV_SHIFT) /* 4 x TPCLK */
+# define UART_ICR_PULSEDIV_8TPCLK (2 << UART_ICR_PULSEDIV_SHIFT) /* 8 x TPCLK */
+# define UART_ICR_PULSEDIV_16TPCLK (3 << UART_ICR_PULSEDIV_SHIFT) /* 16 x TPCLK */
+# define UART_ICR_PULSEDIV_32TPCLK (4 << UART_ICR_PULSEDIV_SHIFT) /* 32 x TPCLK */
+# define UART_ICR_PULSEDIV_64TPCLK (5 << UART_ICR_PULSEDIV_SHIFT) /* 64 x TPCLK */
+# define UART_ICR_PULSEDIV_128TPCLK (6 << UART_ICR_PULSEDIV_SHIFT) /* 128 x TPCLK */
+# define UART_ICR_PULSEDIV_256TPCLK (7 << UART_ICR_PULSEDIV_SHIFT) /* 256 x TPCLK */
+ /* Bits 6-31: Reserved */
+/* FDR Fractional Divider Register */
+
+#define UART_FDR_DIVADDVAL_SHIFT (0) /* Bits 0-3: Baud-rate generation pre-scaler divisor value */
+#define UART_FDR_DIVADDVAL_MASK (15 << UART_FDR_DIVADDVAL_SHIFT)
+#define UART_FDR_MULVAL_SHIFT (3) /* Bits 4-7 Baud-rate pre-scaler multiplier value */
+#define UART_FDR_MULVAL_MASK (15 << UART_FDR_MULVAL_SHIFT)
+ /* Bits 8-31: Reserved */
+/* Oversampling Register (USART only) */
+ /* Bit 0: Reserved */
+#define USART_OSR_OSFRAC_SHIFT (1) /* Bits 1-3: Fractional part of the oversampling ratio */
+#define USART_OSR_OSFRAC_MASK (7 << USART_OSR_OSFRAC_SHIFT)
+#define USART_OSR_OSINT_SHIFT (4) /* Bits 4-7: Integer part of the oversampling ratio */
+#define USART_OSR_OSINT_MASK (15 << USART_OSR_OSINT_SHIFT)
+#define USART_OSR_FDINT_SHIFT (8) /* Bits 8-14: Extension for Smart Card mode */
+#define USART_OSR_FDINT_MASK (0x7f << USART_OSR_FDINT_SHIFT)
+ /* Bits 15-31: Reserved */
+/* TER Transmit Enable Register (UART only) */
+ /* Bits 0-6: Reserved */
+#define UART_TER_TXEN (1 << 7) /* Bit 7: TX Enable */
+ /* Bits 8-31: Reserved */
+/* Half-duplex enable Register (USART only) */
+
+#define USART_HDEN_TXEN (1 << 0) /* Bit 0: Half-duplex mode enable */
+ /* Bits 1-31: Reserved */
+/* Smart card interface control register (USART only) */
+
+#define USART_SCICTRL_SCIEN (1 << 0) /* Bit 0: Smart Card Interface Enable */
+#define USART_SCICTRL_NACKDIS (1 << 1) /* Bit 1: NACK response disable */
+#define USART_SCICTRL_PROTSEL (1 << 2) /* Bit 2: Protocol selection */
+ /* Bits 3-4: Reserved */
+#define USART_SCICTRL_TXRETRY_SHIFT (5) /* Bits 5-7: Maximum number of retransmissions */
+#define USART_SCICTRL_TXRETRY_MASK (7 << USART_SCICTRL_TXRETRY_SHIFT)
+#define USART_SCICTRL_GUARDTIME_SHIFT (8) /* Bits 8-15: Extra guard time */
+#define USART_SCICTRL_GUARDTIME_MASK (0xff << USART_SCICTRL_GUARDTIME_SHIFT)
+ /* Bits 16-31: Reserved */
+/* RS-485/EIA-485 Control */
+
+#define UART_RS485CTRL_NMMEN (1 << 0) /* Bit 0: RS-485/EIA-485 Normal Multidrop Mode (NMM) enabled */
+#define UART_RS485CTRL_RXDIS (1 << 1) /* Bit 1: Receiver is disabled */
+#define UART_RS485CTRL_AADEN (1 << 2) /* Bit 2: Auto Address Detect (AAD) is enabled */
+#define UART_RS485CTRL_SEL (1 << 3) /* Bit 3: RTS/DTR used for direction control (DCTRL=1) */
+#define UART_RS485CTRL_DCTRL (1 << 4) /* Bit 4: Enable Auto Direction Control */
+#define UART_RS485CTRL_OINV (1 << 5) /* Bit 5: Polarity of the direction control signal on RTS/DTR */
+ /* Bits 6-31: Reserved */
+/* RS-485/EIA-485 address match */
+
+#define UART_ADRMATCH_MASK (0xff) /* Bits 0-7: Address match value */
+ /* Bits 8-31: Reserved */
+/* RS-485/EIA-485 direction control delay */
+
+#define UART_RS485DLY_MASK (0xff) /* Bits 0-7: Firection control (RTS/DTR) delay */
+ /* Bits 8-31: Reserved */
+/* Synchronous mode control register (USART only) */
+
+#define USART_SYNCCTRL_SYNC (1 << 0) /* Bit 0: Enables synchronous mode */
+#define USART_SYNCCTRL_CSRC (1 << 1) /* Bit 1: Clock source select */
+#define USART_SYNCCTRL_FES (1 << 2) /* Bit 2: Falling edge sampling */
+#define USART_SYNCCTRL_TSBYPASS (1 << 3) /* Bit 3: Transmit synchronization bypass */
+#define USART_SYNCCTRL_CSCEN (1 << 4) /* Bit 4: Continuous master clock enable */
+#define USART_SYNCCTRL_SSSDIS (1 << 5) /* Bit 5: Start/stop bits */
+#define USART_SYNCCTRL_CCCLR (1 << 6) /* Bit 6: Continuous clock clear */
+ /* Bits 7-31: Reserved */
+/* TER Transmit Enable Register (USART only) */
+
+#define USART_TER_TXEN (1 << 0) /* Bit 0: TX Enable */
+ /* Bits 1-31: Reserved */
+
+/********************************************************************************************
+ * Public Types
+ ********************************************************************************************/
+
+/********************************************************************************************
+ * Public Data
+ ********************************************************************************************/
+
+/********************************************************************************************
+ * Public Functions
+ ********************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_UART_H */
diff --git a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h
index f2c6e0f884..96a495b8ae 100644
--- a/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h
+++ b/nuttx/arch/arm/src/lpc43xx/chip/lpc43_wwdt.h
@@ -33,8 +33,8 @@
*
************************************************************************************/
-#ifndef __ARCH_ARM_SRC_LPC43XX_LPC43_WWDT_H
-#define __ARCH_ARM_SRC_LPC43XX_LPC43_WWDT_H
+#ifndef __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_WWDT_H
+#define __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_WWDT_H
/************************************************************************************
* Included Files
@@ -108,4 +108,4 @@
* Public Functions
************************************************************************************/
-#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_WWDT_H */
+#endif /* __ARCH_ARM_SRC_LPC43XX_CHIP_LPC43_WWDT_H */