36df84c843
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5145 42af7a65-404d-4744-a932-0658087f49c3
104 lines
5.2 KiB
C
104 lines
5.2 KiB
C
/************************************************************************************
|
|
* arch/arm/src/str71x/str71x_emi.h
|
|
*
|
|
* Copyright (C) 2008-2009 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_STR71X_STR71X_EMI_H
|
|
#define __ARCH_ARM_SRC_STR71X_STR71X_EMI_H
|
|
|
|
/************************************************************************************
|
|
* Included Files
|
|
************************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include "str71x_map.h"
|
|
|
|
/************************************************************************************
|
|
* Pre-procesor Definitions
|
|
************************************************************************************/
|
|
|
|
/* External Memory Interfac (EMI) register offset ***********************************/
|
|
|
|
#define STR71X_EMI_BCON0_OFFSET (0x0000) /* 16-bits wide */
|
|
#define STR71X_EMI_BCON1_OFFSET (0x0004) /* 16-bits wide */
|
|
#define STR71X_EMI_BCON2_OFFSET (0x0008) /* 16-bits wide */
|
|
#define STR71X_EMI_BCON3_OFFSET (0x000c) /* 16-bits wide */
|
|
|
|
/* External Memory Interfac (EMI) register addresses ********************************/
|
|
|
|
#define STR71X_EMI_BCON0 (STR71X_EMI_BASE + STR71X_EMI_BCON0_OFFSET)
|
|
#define STR71X_EMI_BCON1 (STR71X_EMI_BASE + STR71X_EMI_BCON1_OFFSET)
|
|
#define STR71X_EMI_BCON2 (STR71X_EMI_BASE + STR71X_EMI_BCON2_OFFSET)
|
|
#define STR71X_EMI_BCON3 (STR71X_EMI_BASE + STR71X_EMI_BCON3_OFFSET)
|
|
|
|
/* Register bit settings ***********************************************************/
|
|
|
|
/* Bank-N configuration register (BCONn) bit definitions */
|
|
|
|
#define STR71X_EMIBCON_BSIZEMASK (0x0003) /* Bits 0-1: Bank size */
|
|
#define STR71X_EMIBCON_BSIZE8 (0x0000) /* 8-bit */
|
|
#define STR71X_EMIBCON_BSIZE16 (0x0001) /* 16-bit */
|
|
#define STR71X_EMIBCON_WSMASK (0x003c) /* Bits 2-5: Wait states */
|
|
#define STR71X_EMIBCON_WS0 (0x0000) /* 0 waitstates */
|
|
#define STR71X_EMIBCON_WS1 (0x0004) /* 1 waitstates */
|
|
#define STR71X_EMIBCON_WS2 (0x0008) /* 2 waitstates */
|
|
#define STR71X_EMIBCON_WS3 (0x000c) /* 3 waitstates */
|
|
#define STR71X_EMIBCON_WS4 (0x0010) /* 4 waitstates */
|
|
#define STR71X_EMIBCON_WS5 (0x0014) /* 5 waitstates */
|
|
#define STR71X_EMIBCON_WS6 (0x0018) /* 6 waitstates */
|
|
#define STR71X_EMIBCON_WS7 (0x001c) /* 7 waitstates */
|
|
#define STR71X_EMIBCON_WS8 (0x0020) /* 8 waitstates */
|
|
#define STR71X_EMIBCON_WS9 (0x0024) /* 9 waitstates */
|
|
#define STR71X_EMIBCON_WS10 (0x0028) /* 10 waitstates */
|
|
#define STR71X_EMIBCON_WS11 (0x002c) /* 11 waitstates */
|
|
#define STR71X_EMIBCON_WS12 (0x0030) /* 12 waitstates */
|
|
#define STR71X_EMIBCON_WS13 (0x0034) /* 13 waitstates */
|
|
#define STR71X_EMIBCON_WS14 (0x0038) /* 14 waitstates */
|
|
#define STR71X_EMIBCON_WS15 (0x003c) /* 15 waitstates */
|
|
#define STR71X_EMIBCON_ENABLE (0x8000) /* Bit 15: Bank enable */
|
|
|
|
/************************************************************************************
|
|
* Public Types
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Public Data
|
|
************************************************************************************/
|
|
|
|
/************************************************************************************
|
|
* Public Functions
|
|
************************************************************************************/
|
|
|
|
#endif /* __ARCH_ARM_SRC_STR71X_STR71X_EMI_H */
|