summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/parisc/include/asm/special_insns.h24
-rw-r--r--drivers/parisc/ccio-dma.c2
-rw-r--r--drivers/parisc/sba_iommu.c2
3 files changed, 26 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/special_insns.h b/arch/parisc/include/asm/special_insns.h
index 3d4dd68e181b..a303ae9a77f4 100644
--- a/arch/parisc/include/asm/special_insns.h
+++ b/arch/parisc/include/asm/special_insns.h
@@ -2,6 +2,30 @@
#ifndef __PARISC_SPECIAL_INSNS_H
#define __PARISC_SPECIAL_INSNS_H
+#define lpa(va) ({ \
+ unsigned long pa; \
+ __asm__ __volatile__( \
+ "copy %%r0,%0\n\t" \
+ "lpa %%r0(%1),%0" \
+ : "=r" (pa) \
+ : "r" (va) \
+ : "memory" \
+ ); \
+ pa; \
+})
+
+#define lpa_user(va) ({ \
+ unsigned long pa; \
+ __asm__ __volatile__( \
+ "copy %%r0,%0\n\t" \
+ "lpa %%r0(%%sr3,%1),%0" \
+ : "=r" (pa) \
+ : "r" (va) \
+ : "memory" \
+ ); \
+ pa; \
+})
+
#define mfctl(reg) ({ \
unsigned long cr; \
__asm__ __volatile__( \
diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
index 9b434644524c..8362517b98f9 100644
--- a/drivers/parisc/ccio-dma.c
+++ b/drivers/parisc/ccio-dma.c
@@ -570,7 +570,7 @@ ccio_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
** "hints" parm includes the VALID bit!
** "dep" clobbers the physical address offset bits as well.
*/
- pa = virt_to_phys(vba);
+ pa = lpa(vba);
asm volatile("depw %1,31,12,%0" : "+r" (pa) : "r" (hints));
((u32 *)pdir_ptr)[1] = (u32) pa;
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 78df92600203..aefb03ebeaf8 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -572,7 +572,7 @@ sba_io_pdir_entry(u64 *pdir_ptr, space_t sid, unsigned long vba,
u64 pa; /* physical address */
register unsigned ci; /* coherent index */
- pa = virt_to_phys(vba);
+ pa = lpa(vba);
pa &= IOVP_MASK;
asm("lci 0(%1), %0" : "=r" (ci) : "r" (vba));