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author <jgarzik@pretzel.yyz.us>2005-06-03 23:54:56 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-03 23:54:56 -0400
commit73561695b2e77473e353a5ae63bab81ed5098d8e (patch)
treed039affaa54d38985e41566e4d62e0aa6a170287 /include/asm-sparc64
parent6f2f38128170814e151cfedf79532e19cd179567 (diff)
parent8be3de3fd8469154a2b3e18a4712032dac5b4a53 (diff)
downloadblackbird-op-linux-73561695b2e77473e353a5ae63bab81ed5098d8e.tar.gz
blackbird-op-linux-73561695b2e77473e353a5ae63bab81ed5098d8e.zip
Automatic merge of /spare/repo/linux-2.6/.git branch HEAD
Diffstat (limited to 'include/asm-sparc64')
-rw-r--r--include/asm-sparc64/iommu.h2
-rw-r--r--include/asm-sparc64/pbm.h8
-rw-r--r--include/asm-sparc64/spitfire.h3
3 files changed, 10 insertions, 3 deletions
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h
index 5fd16e42a045..0de7a3da79cd 100644
--- a/include/asm-sparc64/iommu.h
+++ b/include/asm-sparc64/iommu.h
@@ -16,4 +16,6 @@
#define IOPTE_CACHE 0x0000000000000010UL /* Cached (in UPA E-cache) */
#define IOPTE_WRITE 0x0000000000000002UL /* Writeable */
+#define IOMMU_NUM_CTXS 4096
+
#endif /* !(_SPARC_IOMMU_H) */
diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h
index 92999631c819..4c15610a2bac 100644
--- a/include/asm-sparc64/pbm.h
+++ b/include/asm-sparc64/pbm.h
@@ -15,6 +15,7 @@
#include <asm/io.h>
#include <asm/page.h>
#include <asm/oplib.h>
+#include <asm/iommu.h>
/* The abstraction used here is that there are PCI controllers,
* each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules
@@ -40,9 +41,6 @@ struct pci_iommu {
*/
spinlock_t lock;
- /* Context allocator. */
- unsigned int iommu_cur_ctx;
-
/* IOMMU page table, a linear array of ioptes. */
iopte_t *page_table; /* The page table itself. */
int page_table_sz_bits; /* log2 of ow many pages does it map? */
@@ -87,6 +85,10 @@ struct pci_iommu {
u16 flush;
} alloc_info[PBM_NCLUSTERS];
+ /* CTX allocation. */
+ unsigned long ctx_lowest_free;
+ unsigned long ctx_bitmap[IOMMU_NUM_CTXS / (sizeof(unsigned long) * 8)];
+
/* Here a PCI controller driver describes the areas of
* PCI memory space where DMA to/from physical memory
* are addressed. Drivers interrogate the PCI layer
diff --git a/include/asm-sparc64/spitfire.h b/include/asm-sparc64/spitfire.h
index ad78ce64d69e..9d7613eea812 100644
--- a/include/asm-sparc64/spitfire.h
+++ b/include/asm-sparc64/spitfire.h
@@ -48,6 +48,9 @@ enum ultra_tlb_layout {
extern enum ultra_tlb_layout tlb_type;
+extern int cheetah_pcache_forced_on;
+extern void cheetah_enable_pcache(void);
+
#define sparc64_highest_locked_tlbent() \
(tlb_type == spitfire ? \
SPITFIRE_HIGHEST_LOCKED_TLBENT : \
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