/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup lpc_emc
*
* @brief EMC support API.
*/
/*
* Copyright (c) 2010-2011 embedded brains GmbH. All rights reserved.
*
* 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.
*
* 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 LIBBSP_ARM_SHARED_LPC_EMC_H
#define LIBBSP_ARM_SHARED_LPC_EMC_H
#include <bsp/utility.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup lpc_emc EMC Support
*
* @ingroup RTEMSBSPsARMLPC24XX
* @ingroup RTEMSBSPsARMLPC32XX
*
* @brief EMC Support
*
* @{
*/
/**
* @name EMC Control Register (EMCControl)
*
* @{
*/
#define EMC_CTRL_E BSP_BIT32(0)
#define EMC_CTRL_M BSP_BIT32(0)
#define EMC_CTRL_L BSP_BIT32(2)
/** @} */
/**
* @name EMC Dynamic Memory Control Register (EMCDynamicControl)
*
* @{
*/
#define EMC_DYN_CTRL_CE BSP_BIT32(0)
#define EMC_DYN_CTRL_CS BSP_BIT32(1)
#define EMC_DYN_CTRL_SR BSP_BIT32(2)
#define EMC_DYN_CTRL_SRMCC BSP_BIT32(3)
#define EMC_DYN_CTRL_IMCC BSP_BIT32(4)
#define EMC_DYN_CTRL_MCC BSP_BIT32(5)
#define EMC_DYN_CTRL_I_MASK BSP_MSK32(7, 8)
#define EMC_DYN_CTRL_I_NORMAL BSP_FLD32(0x0, 7, 8)
#define EMC_DYN_CTRL_I_MODE BSP_FLD32(0x1, 7, 8)
#define EMC_DYN_CTRL_I_PALL BSP_FLD32(0x2, 7, 8)
#define EMC_DYN_CTRL_I_NOP BSP_FLD32(0x3, 7, 8)
#define EMC_DYN_CTRL_DP BSP_BIT32(13)
/** @} */
/**
* @name EMC Dynamic Memory Read Configuration Register (EMCDynamicReadConfig)
*
* @{
*/
#define EMC_DYN_READ_CONFIG_SDR_STRAT(val) BSP_FLD32(val, 0, 1)
#define EMC_DYN_READ_CONFIG_SDR_POL_POS BSP_BIT32(4)
#define EMC_DYN_READ_CONFIG_DDR_STRAT(val) BSP_FLD32(val, 8, 9)
#define EMC_DYN_READ_CONFIG_DDR_POL_POS BSP_BIT32(12)
/** @} */
/**
* @name EMC Dynamic Memory Configuration N Register (EMCDynamicConfigN)
*
* @{
*/
#define EMC_DYN_CFG_MD_LPC24XX(val) BSP_FLD32(val, 3, 4)
#define EMC_DYN_CFG_MD_LPC32XX(val) BSP_FLD32(val, 0, 2)
#define EMC_DYN_CFG_AM(val) BSP_FLD32(val, 7, 14)
#define EMC_DYN_CFG_B BSP_BIT32(19)
#define EMC_DYN_CFG_P BSP_BIT32(20)
/** @} */
/**
* @name EMC Dynamic Memory RAS and CAS Delay N Register (EMCDynamicRasCasN)
*
* @{
*/
#define EMC_DYN_RASCAS_RAS(val) BSP_FLD32(val, 0, 3)
#define EMC_DYN_RASCAS_CAS(val, half) BSP_FLD32(((val) << 1) | (half), 7, 10)
/** @} */
#define EMC_DYN_CHIP_COUNT 4
#define EMC_STATIC_CHIP_COUNT 4
typedef struct {
uint32_t config;
uint32_t rascas;
uint32_t reserved_0 [6];
} lpc_emc_dynamic;
typedef struct {
uint32_t config;
uint32_t waitwen;
uint32_t waitoen;
uint32_t waitrd;
uint32_t waitpage;
uint32_t waitwr;
uint32_t waitturn;
uint32_t reserved_0 [1];
} lpc_emc_static;
typedef struct {
uint32_t control;
uint32_t status;
uint32_t config;
uint32_t reserved_0 [5];
uint32_t dynamiccontrol;
uint32_t dynamicrefresh;
uint32_t dynamicreadconfig;
uint32_t reserved_1;
uint32_t dynamictrp;
uint32_t dynamictras;
uint32_t dynamictsrex;
uint32_t dynamictapr;
uint32_t dynamictdal;
uint32_t dynamictwr;
uint32_t dynamictrc;
uint32_t dynamictrfc;
uint32_t dynamictxsr;
uint32_t dynamictrrd;
uint32_t dynamictmrd;
uint32_t dynamictcdlr;
uint32_t reserved_3 [8];
uint32_t staticextendedwait;
uint32_t reserved_4 [31];
lpc_emc_dynamic dynamic [EMC_DYN_CHIP_COUNT];
uint32_t reserved_5 [32];
lpc_emc_static emcstatic [EMC_STATIC_CHIP_COUNT];
} lpc_emc;
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_SHARED_LPC_EMC_H */
