rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-10-17 02:28:17 +08:00
Code Issues Packages Projects Releases Wiki Activity

i386/pc686: Fix kernel bus DMA for the PC686 BSP

Browse Source 
The x86 provides it own bus space support. Use the generic
bus space calls. This however requires the BUS_SPACE_MEM tag
be provided for all architectures. Make the generic value
match the x86 value.
This commit is contained in:
Chris Johns
2023-10-04 16:13:45 +11:00
parent f0fe0439c4
commit 1524f95e93
2 changed files with 14 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
rtemsbsd/include/machine/bus.h
View File

@@ -167,6 +167,15 @@
#endif /* BSP_HAS_PC_PCI */
/*
* Provide a memory tag for the DMA bus interface
*/
#ifdef BSP_BUS_SPACE_MEM
#define BUS_SPACE_MEM BSP_BUS_SPACE_MEM
#else
#define BUS_SPACE_MEM 1
#endif
/*
* Bus address alignment.
*/