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3 Commits

Author SHA1 Message Date
Hiroshi DOYU 14e0e6796a OMAP: iommu: add initial debugfs support 
This enables to peek the following data.

$ /debug/iommu/isp# ls
mem             nr_tlb_entries  regs
mmap            pagetable       tlb
$ /debug/iommu/isp# head pagetable
L:      da:      pa:
-----------------------------------------
2: 00001000 8ae4a002
2: 00002000 8e7bb002
2: 00003000 8ae49002
2: 00004000 8ae65002
.....

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2009-08-28 10:54:41 -07:00
Fernando Guzman Lugo f48ef99ca1 OMAP: IOMMU: function flush_iotlb_page is not flushing correct entry 
The function flush_iotlb_page is not loading the CAM register with
the correct entry to be flushed, so it is flushing other entry

Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2009-06-23 13:30:25 +03:00
Hiroshi DOYU a9dcad5e37 omap iommu: tlb and pagetable primitives 
This patch provides:

- iotlb_*()     : iommu tlb operations
- iopgtable_*() : iommu pagetable(twl) operations
- iommu_*()     : the other generic operations

and the entry points to register and acquire iommu object.

Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
 2009-05-05 14:52:39 +03:00