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| author | GuEe-GUI <[email protected]> | 2024-09-10 13:38:24 +0800 |
|---|---|---|
| committer | Meco Man <[email protected]> | 2024-09-13 17:33:29 -0400 |
| commit | 2d026a316aa39b13897959d3fc851e39aaa0d054 (patch) | |
| tree | 4982127c0ae1159fccee1cf12b661bbdab68c010 /components/drivers/wlan/SConscript | |
| parent | 117e6ed347ee67699238170e76633d70703c2b55 (diff) | |
[FEATURE/OFW] add address reverse/translate for DMA/CPU's address
DMA and CPU address view is different, we need to convert them:
+--------+ +--------+ +---------+ +--------+
| | | | | | | |
| CPUs | | DEV0 | | IOMMU <----+ | DEV1 |
| | | | | | | | |
+----+---+ +----+---+ +----+----+ | +----+---+
| | | | |
0x200000 | 0x1000 | 0x1000 | | 0x8000 |
| | | | |
+-------------+-----------+ +----------+
|
|
+--------v----------------------------------------------------+
| |
| Address BUS |
| |
+-------------------------------------------------------------+
Signed-off-by: GuEe-GUI <[email protected]>
Diffstat (limited to 'components/drivers/wlan/SConscript')
0 files changed, 0 insertions, 0 deletions