initial_commit

1 files changed, 76 insertions, 0 deletions

diff --git a/arch/arm/mach-mx6/serial.h b/arch/arm/mach-mx6/serial.h
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+++ b/arch/arm/mach-mx6/serial.h
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+/*
+ * 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__ */