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Diffstat (limited to '')
| -rw-r--r-- | bsps/include/dev/spi/xqspipsu-flash-helper.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/bsps/include/dev/spi/xqspipsu-flash-helper.h b/bsps/include/dev/spi/xqspipsu-flash-helper.h new file mode 100644 index 0000000000..e689660881 --- /dev/null +++ b/bsps/include/dev/spi/xqspipsu-flash-helper.h @@ -0,0 +1,192 @@ +/****************************************************************************** +* Copyright (C) 2018 - 2022 Xilinx, Inc. All rights reserved. +* SPDX-License-Identifier: MIT +******************************************************************************/ + +#include "xqspipsu.h" + +int QspiPsu_NOR_Initialize( + XQspiPsu *QspiPsuInstancePtr, + u16 QspiPsuIntrId +); + +/*****************************************************************************/ +/** + * + * This function erases the sectors in the serial Flash connected to the + * QSPIPSU interface. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param Address contains the address of the first sector which needs to + * be erased. + * @param ByteCount contains the total size to be erased. + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + * @note None. + * + ******************************************************************************/ +int QspiPsu_NOR_Erase( + XQspiPsu *QspiPsuPtr, + u32 Address, + u32 ByteCount +); + +/*****************************************************************************/ +/** + * + * This function writes to the serial Flash connected to the QSPIPSU interface. + * All the data put into the buffer must be in the same page of the device with + * page boundaries being on 256 byte boundaries. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param Address contains the address to write data to in the Flash. + * @param ByteCount contains the number of bytes to write. + * @param WriteBfrPtr is pointer to the write buffer (which is to be transmitted) + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + * @note None. + * + ******************************************************************************/ +int QspiPsu_NOR_Write_Page( + XQspiPsu *QspiPsuPtr, + u32 Address, + u32 ByteCount, + u8 *WriteBfrPtr +); + +/*****************************************************************************/ +/** + * + * This function writes to the serial Flash connected to the QSPIPSU interface. + * Writes will be broken into device page sized and aligned writes as necessary. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param Address contains the address to write data to in the Flash. + * @param ByteCount contains the number of bytes to write. + * @param WriteBfrPtr is pointer to the write buffer (which is to be transmitted) + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + * @note None. + * + ******************************************************************************/ +int QspiPsu_NOR_Write( + XQspiPsu *QspiPsuPtr, + u32 Address, + u32 ByteCount, + u8 *WriteBfrPtr +); + +/*****************************************************************************/ +/** + * + * This function performs a read. Default setting is in DMA mode. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param Address contains the address of the first sector which needs to + * be erased. + * @param ByteCount contains the total size to be erased. + * @param ReadBfrPtr is pointer to the read buffer to which valid received data + * should be written + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + * @note None. + * + ******************************************************************************/ +int QspiPsu_NOR_Read( + XQspiPsu *QspiPsuPtr, + u32 Address, + u32 ByteCount, + u8 **ReadBfrPtr +); + +/*****************************************************************************/ +/** + * + * This function performs a read of the ECC Status Register for a given address. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param Address contains the address of the ECC unit for which the ECCSR + * needs to be read. The ECC unit contains 16 bytes of user data + * and all bytes in an ECC unit will return the same ECCSR. + * @param ReadBfrPtr is a pointer to a single byte to which the ECCSR will + * be written. + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + * @note Only the three least significant bits of the returned byte are + * meaningful. If all bits are 0, ECC is enabled for this unit and + * no errors have been encountered. + * Bit 0 is 1: ECC is disabled for the requested unit. + * Bit 1 is 1: A single bit error has been corrected in user data. + * Bit 2 is 1: A single bit error has been found in the ECC data + * and may indicate user data corruption. + * + ******************************************************************************/ +int QspiPsu_NOR_Read_Ecc( + XQspiPsu *QspiPsuPtr, + u32 Address, + u8 *ReadBfrPtr +); + +/*****************************************************************************/ +/** + * + * This function returns the size of attached flash parts. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * + * @return The size of attached flash in bytes. + * + ******************************************************************************/ +u32 QspiPsu_NOR_Get_Device_Size(XQspiPsu *QspiPsuPtr); + +/*****************************************************************************/ +/** + * + * This function returns the sector size of attached flash parts. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * + * @return The sector size of attached flash in bytes. + * + ******************************************************************************/ +u32 QspiPsu_NOR_Get_Sector_Size(XQspiPsu *QspiPsuPtr); + +/*****************************************************************************/ +/** + * + * This function performs a read of the RDID configuration space. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param ReadBfrPtr is a pointer to a buffer to be filled with + * configuration data. + * @param ReadLen is the total length of the configuration space to read. + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + ******************************************************************************/ +int QspiPsu_NOR_RDID(XQspiPsu *QspiPsuPtr, u8 *ReadBfrPtr, u32 ReadLen); + +/*****************************************************************************/ +/** + * + * This function performs a read of the SFDP configuration space. + * + * @param QspiPsuPtr is a pointer to the QSPIPSU driver component to use. + * @param ReadBfrPtr is a pointer to a buffer to be filled with + * configuration data. + * @param ReadLen is the total length of the configuration space to read. + * + * @return XST_SUCCESS if successful, else XST_FAILURE. + * + ******************************************************************************/ +int QspiPsu_NOR_RDSFDP( + XQspiPsu *QspiPsuPtr, + u32 Address, + u32 ByteCount, + u8 **ReadBfrPtr +); |