diff options
author | Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> | 2008-02-05 12:24:10 -0500 |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2008-02-06 12:23:52 -0500 |
commit | ef66a9d222718f080018d07f691faa1f01789e7d (patch) | |
tree | 9aa8cd2cc1aac087a4d6f9f0cf5b01d695e6e8da /Documentation | |
parent | ef141a0bb0dc6172bb8fe5408cf8adbd5f76ff45 (diff) |
[POWERPC] Xilinx: hwicap: update booting-without-of.txt
The ICAP device in Xilinx FPGAs differs slightly between different
FPGAs. The driver needs an additional attribute in the device tree to
distinguish this.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/powerpc/booting-without-of.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index b5e46efeba84..2efea2d497f8 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt | |||
@@ -2577,6 +2577,20 @@ platforms are moved over to use the flattened-device-tree model. | |||
2577 | Requred properties: | 2577 | Requred properties: |
2578 | - current-speed : Baud rate of uartlite | 2578 | - current-speed : Baud rate of uartlite |
2579 | 2579 | ||
2580 | v) Xilinx hwicap | ||
2581 | |||
2582 | Xilinx hwicap devices provide access to the configuration logic | ||
2583 | of the FPGA through the Internal Configuration Access Port | ||
2584 | (ICAP). The ICAP enables partial reconfiguration of the FPGA, | ||
2585 | readback of the configuration information, and some control over | ||
2586 | 'warm boots' of the FPGA fabric. | ||
2587 | |||
2588 | Required properties: | ||
2589 | - xlnx,family : The family of the FPGA, necessary since the | ||
2590 | capabilities of the underlying ICAP hardware | ||
2591 | differ between different families. May be | ||
2592 | 'virtex2p', 'virtex4', or 'virtex5'. | ||
2593 | |||
2580 | p) Freescale Synchronous Serial Interface | 2594 | p) Freescale Synchronous Serial Interface |
2581 | 2595 | ||
2582 | The SSI is a serial device that communicates with audio codecs. It can | 2596 | The SSI is a serial device that communicates with audio codecs. It can |