This page gives an overview of the bare-metal driver support for the Zynq PS QSPI.
Table of Contents
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Driver Name | Path in Vitis | Path in Github |
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qspips | <Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/qspips | https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/qspips |
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Note: To view the sources for a particular release, use the rel-version tag in github. For example, for the 2020.1 release, the proper version of the code is: https://github.com/Xilinx/embeddedsw/tree/xilinx-v2020.1/XilinxProcessorIPLib/drivers/qspips |
The driver source code is organized into different folders. The table below shows the qspips driver source organization.
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Known Issues and Limitations
Supported Flash vendors
Micron
ISSI
Spansion
Macronix
Example Applications
Refer to the driver examples directory for various example applications that exercise the different features of the driver. Each application is linked in the table below. The following sections describe the usage and expected output of the various applications. These example applications can be imported into the Vitis IDE from the Board Support Package settings tab
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Test Name | Example source | Description |
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QSPIPS Interrupt Mode Example | This examples does basic read and write test from the SPI-NOR flash device in Interrupt mode | |
QSPIPS Polled Mode Example | This examples does basic read and write test from the SPI-NOR flash device in Polled mode | |
QSPIPS G128 Example | This examples does basic read and write test from the SPI-NOR flash device greater than 128MB | |
QSPIPS Self Test Example | This examples does basic hardware connection check | |
Linear QSPIPS Example | This example does linear read operation from SPI-NOR flash device in single mode | |
Linear QSPIPS Stacked mode Example | This example does linear read operation from SPI-NOR flash device in stacked mode | |
Linear QSPIPS Dual mode Example | This example does linear read operation from SPI-NOR flash device in dual parallel mode |
Example Application Usage
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QSPI FLASH Polled Example Test FlashID=0x20 0xBB 0x18 Successfully ran QSPI FLASH Polled Example Test |
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QSPIPS G128 Example
This examples does basic read and write test from the SPI-NOR flash device greater than 128MB
SPI Greater than 128Mb Flash Example Test FlashID=0x20 0xBB 0x18 Successfully ran QSPI Greater than 128Mb Flash Ex Test |
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This example does linear read operation from SPI-NOR flash device in single mode
Linear QSPI FLASH Example Test FlashID=0x20 0xBB 0x18 Successfully ran Linear QSPI FLASH Example Test |
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QSPIPS Self Test Example
This examples does basic hardware connection check
QSPI Selftest Example Successfully ran QSPI Selftest Example |
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Qspips write throughput is 644 KBPS
Qspips read throughput is 33573 KBPS
Change Log
2025.1
https://github.com/Xilinx/embeddedsw/blob/xlnx_rel_v2025.1/doc/ChangeLog#L78
2024.2
https://github.com/Xilinx/embeddedsw/blob/xlnx_rel_v2024.2/doc/ChangeLog#L608
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