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/*
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#ifndef __ARCH_ARM_MACH_MX25_SERIAL_H__
#define __ARCH_ARM_MACH_MX25_SERIAL_H__
/*!
* @file mach-mx25/serial.h
*
* @ingroup MSL_MX25
*/
#include <mach/mxc_uart.h>
/* UART 1 configuration */
/*!
* This option allows to choose either an interrupt-driven software controlled
* hardware flow control (set this option to 0) or hardware-driven hardware
* flow control (set this option to 1).
*/
#define UART1_HW_FLOW 1
/*!
* This specifies the threshold at which the CTS pin is deasserted by the
* RXFIFO. Set this value in Decimal to anything from 0 to 32 for
* hardware-driven hardware flow control. Read the HW spec while specifying
* this value. When using interrupt-driven software controlled hardware
* flow control set this option to -1.
*/
#define UART1_UCR4_CTSTL 16
/*!
* This is option to enable (set this option to 1) or disable DMA data transfer
*/
#define UART1_DMA_ENABLE 0
/*!
* Specify the size of the DMA receive buffer. The minimum buffer size is 512
* bytes. The buffer size should be a multiple of 256.
*/
#define UART1_DMA_RXBUFSIZE 1024
/*!
* Specify the MXC UART's Receive Trigger Level. This controls the threshold at
* which a maskable interrupt is generated by the RxFIFO. Set this value in
* Decimal to anything from 0 to 32. Read the HW spec while specifying this
* value.
*/
#define UART1_UFCR_RXTL 16
/*!
* Specify the MXC UART's Transmit Trigger Level. This controls the threshold at
* which a maskable interrupt is generated by the TxFIFO. Set this value in
* Decimal to anything from 0 to 32. Read the HW spec while specifying this
* value.
*/
#define UART1_UFCR_TXTL 16
/* UART 2 configuration */
#define UART2_HW_FLOW 0
#define UART2_UCR4_CTSTL (-1)
#define UART2_DMA_ENABLE 0
#define UART2_DMA_RXBUFSIZE 512
#define UART2_UFCR_RXTL 16
#define UART2_UFCR_TXTL 16
/* UART 3 configuration */
#define UART3_HW_FLOW 1
#define UART3_UCR4_CTSTL 16
#define UART3_DMA_ENABLE 1
#define UART3_DMA_RXBUFSIZE 1024
#define UART3_UFCR_RXTL 16
#define UART3_UFCR_TXTL 16
/* UART 4 configuration */
#define UART4_HW_FLOW 1
#define UART4_UCR4_CTSTL 16
#define UART4_DMA_ENABLE 1
#define UART4_DMA_RXBUFSIZE 1024
#define UART4_UFCR_RXTL 16
#define UART4_UFCR_TXTL 16
/* UART 5 configuration */
#define UART5_HW_FLOW 1
#define UART5_UCR4_CTSTL 16
#define UART5_DMA_ENABLE 1
#define UART5_DMA_RXBUFSIZE 1024
#define UART5_UFCR_RXTL 16
#define UART5_UFCR_TXTL 16
/*
* UART Chip level Configuration that a user may not have to edit. These
* configuration vary depending on how the UART module is integrated with
* the ARM core
*/
/*
* Is the MUXED interrupt output sent to the ARM core
*/
#define INTS_NOTMUXED 0
#define INTS_MUXED 1
/* UART 1 configuration */
/*!
* This define specifies whether the muxed ANDed interrupt line or the
* individual interrupts from the UART port is integrated with the ARM core.
* There exists a define like this for each UART port. Valid values that can
* be used are \b INTS_NOTMUXED or \b INTS_MUXED.
*/
#define UART1_MUX_INTS INTS_MUXED
/*!
* This define specifies the transmitter interrupt number or the interrupt
* number of the ANDed interrupt in case the interrupts are muxed. There exists
* a define like this for each UART port.
*/
#define UART1_INT1 MXC_INT_UART1
/*!
* This define specifies the receiver interrupt number. If the interrupts of
* the UART are muxed, then we specify here a dummy value -1. There exists a
* define like this for each UART port.
*/
#define UART1_INT2 (-1)
/*!
* This specifies the master interrupt number. If the interrupts of the UART
* are muxed, then we specify here a dummy value of -1. There exists a define
* like this for each UART port.
*/
#define UART1_INT3 (-1)
/*!
* This specifies if the UART is a shared peripheral. It holds the shared
* peripheral number if it is shared or -1 if it is not shared. There exists
* a define like this for each UART port.
*/
#define UART1_SHARED_PERI (-1)
/* UART 2 configuration */
#define UART2_MUX_INTS INTS_MUXED
#define UART2_INT1 MXC_INT_UART2
#define UART2_INT2 (-1)
#define UART2_INT3 (-1)
#define UART2_SHARED_PERI (-1)
/* UART 3 configuration */
#define UART3_MUX_INTS INTS_MUXED
#define UART3_INT1 MXC_INT_UART3
#define UART3_INT2 (-1)
#define UART3_INT3 (-1)
#define UART3_SHARED_PERI SPBA_UART3
/* UART 4 configuration */
#define UART4_MUX_INTS INTS_MUXED
#define UART4_INT1 MXC_INT_UART4
#define UART4_INT2 (-1)
#define UART4_INT3 (-1)
#define UART4_SHARED_PERI SPBA_UART4
/* UART 5 configuration */
#define UART5_MUX_INTS INTS_MUXED
#define UART5_INT1 MXC_INT_UART5
#define UART5_INT2 (-1)
#define UART5_INT3 (-1)
#define UART5_SHARED_PERI SPBA_UART5
#endif /* __ARCH_ARM_MACH_MX25_SERIAL_H__ */
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