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user/microblaze: Document device tree support

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Alex White 2023-04-03 21:42:53 -05:00 committed by Joel Sherrill
parent 6478447d08
commit f820560ee9
1 changed files with 24 additions and 5 deletions
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user/bsps/bsps-microblaze.rst
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@ -21,13 +21,21 @@ Clock Driver
------------ ------------
The clock driver supports the QEMU emulated Xilinx AXI Timer v2.0. It is The clock driver supports the QEMU emulated Xilinx AXI Timer v2.0. It is
implemented as a simple downcounter. implemented as a simple downcounter. If device tree support is enabled in the
build configuration, the clock driver will use the node that is compatible with
`xlnx,xps-timer-1.00.a` from the device tree to configure the clock. The
following device tree node properties are used to configure the clock driver:
``reg``, ``clock-frequency``, and ``interrupts``.
Console Driver Console Driver
-------------- --------------
The console driver supports the QEMU emulated Xilinx AXI UART Lite v2.0. It is The console driver supports the QEMU emulated Xilinx AXI UART Lite v2.0. It is
initialized to a baud rate of 115200. initialized to a baud rate of 115200. If device tree support is enabled in the
build configuration, the console driver will use the node that is compatible
with `xlnx,xps-uartlite-1.00.a` from the device tree to configure the console.
The following device tree node properties are used to configure the console
driver: ``reg``, ``status``, ``port-number``, and ``interrupts``.
Network Driver Network Driver
-------------- --------------
@ -68,7 +76,9 @@ The QSPI NOR JFFS2 driver supports the QEMU emulated n25q512a11 QSPI NOR flash
device. It is initialized to a page size of 256 bytes and a sector size of 64 device. It is initialized to a page size of 256 bytes and a sector size of 64
KiB. If device tree support is enabled in the build configuration, the QSPI NOR KiB. If device tree support is enabled in the build configuration, the QSPI NOR
JFFS2 driver will use the node that is compatible with `xlnx,xps-spi-2.00.a` JFFS2 driver will use the node that is compatible with `xlnx,xps-spi-2.00.a`
from the device tree to configure the QSPI NOR JFFS2 driver. from the device tree to configure the QSPI NOR JFFS2 driver. The following
device tree node properties are used to configure the QSPI NOR JFFS2 driver:
``reg`` and ``interrupts``.
Running Executables Running Executables
@ -124,12 +134,21 @@ Clock Driver
------------ ------------
The clock driver supports the Xilinx AXI Timer v2.0. It is implemented as a The clock driver supports the Xilinx AXI Timer v2.0. It is implemented as a
simple downcounter. simple downcounter. If device tree support is enabled in the
build configuration, the clock driver will use the node that is compatible with
`xlnx,xps-timer-1.00.a` from the device tree to configure the clock. The
following device tree node properties are used to configure the clock driver:
``reg``, ``clock-frequency``, and ``interrupts``.
Console Driver Console Driver
-------------- --------------
The console driver supports the Xilinx AXI UART Lite v2.0. The console driver supports the Xilinx AXI UART Lite v2.0. It is initialized to
a baud rate of 115200. If device tree support is enabled in the build
configuration, the console driver will use the node that is compatible with
`xlnx,xps-uartlite-1.00.a` from the device tree to configure the console. The
following device tree node properties are used to configure the console driver:
``reg``, ``status``, ``port-number``, and ``interrupts``.
Debugging Debugging
--------- ---------