125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2012 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file qspi.h
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*
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* This file contains the interface for the QSPI FLASH functionality
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -------------------------------------------------------
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* 1.00a ecm 01/10/10 Initial release
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* 3.00a mb 01/09/12 Added the Delay Values defines for qspi
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* 5.00a sgd 05/17/13 Added Flash Size > 128Mbit support
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* Dual Stack support
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* </pre>
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*
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* @note
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*
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******************************************************************************/
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#ifndef ___QSPI_H___
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#define ___QSPI_H___
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#include "fsbl.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***************************** Include Files *********************************/
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#include "fsbl.h"
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/************************** Constant Definitions *****************************/
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#define SINGLE_FLASH_CONNECTION 0
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#define DUAL_STACK_CONNECTION 1
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#define DUAL_PARALLEL_CONNECTION 2
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#define FLASH_SIZE_16MB 0x1000000
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/*
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* Bank mask
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*/
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#define BANKMASK 0xF000000
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/*
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* Identification of Flash
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* Micron:
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* Byte 0 is Manufacturer ID;
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* Byte 1 is first byte of Device ID - 0xBB or 0xBA
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* Byte 2 is second byte of Device ID describes flash size:
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* 128Mbit : 0x18; 256Mbit : 0x19; 512Mbit : 0x20
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* Spansion:
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* Byte 0 is Manufacturer ID;
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* Byte 1 is Device ID - Memory Interface type - 0x20 or 0x02
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* Byte 2 is second byte of Device ID describes flash size:
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* 128Mbit : 0x18; 256Mbit : 0x19; 512Mbit : 0x20
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*/
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#define MICRON_ID 0x20
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#define SPANSION_ID 0x01
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#define WINBOND_ID 0xEF
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#define FLASH_SIZE_ID_128M 0x18
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#define FLASH_SIZE_ID_256M 0x19
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#define FLASH_SIZE_ID_512M 0x20
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#define FLASH_SIZE_ID_1G 0x21
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/*
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* Size in bytes
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*/
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#define FLASH_SIZE_128M 0x1000000
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#define FLASH_SIZE_256M 0x2000000
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#define FLASH_SIZE_512M 0x4000000
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#define FLASH_SIZE_1G 0x8000000
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/************************** Function Prototypes ******************************/
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u32 InitQspi(void);
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u32 QspiAccess( u32 SourceAddress,
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u32 DestinationAddress,
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u32 LengthBytes);
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u32 FlashReadID(void);
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u32 SendBankSelect(u8 BankSel);
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/************************** Variable Definitions *****************************/
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#ifdef __cplusplus
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}
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#endif
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#endif /* ___QSPI_H___ */
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