/* * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef __ARCH_ARM_MACH_MX51_SERIAL_H__ #define __ARCH_ARM_MACH_MX51_SERIAL_H__ /* UART 1 configuration */ /*! * 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 /*! * 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 #define UART1_DMA_ENABLE 0 /* UART 2 configuration */ #define UART2_UCR4_CTSTL -1 #define UART2_DMA_ENABLE 1 #define UART2_DMA_RXBUFSIZE 512 #define UART2_UFCR_RXTL 16 #define UART2_UFCR_TXTL 16 /* UART 3 configuration */ #define UART3_UCR4_CTSTL 16 #define UART3_DMA_ENABLE 0 #define UART3_DMA_RXBUFSIZE 1024 #define UART3_UFCR_RXTL 16 #define UART3_UFCR_TXTL 16 /* UART 4 configuration */ #define UART4_UCR4_CTSTL -1 #define UART4_DMA_ENABLE 0 #define UART4_DMA_RXBUFSIZE 512 #define UART4_UFCR_RXTL 16 #define UART4_UFCR_TXTL 16 /* UART 5 configuration */ #define UART5_UCR4_CTSTL -1 #define UART5_DMA_ENABLE 0 #define UART5_DMA_RXBUFSIZE 512 #define UART5_UFCR_RXTL 16 #define UART5_UFCR_TXTL 16 #endif /* __ARCH_ARM_MACH_MX51_SERIAL_H__ */