summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/ipmmu-vmsa.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/ipmmu-vmsa.c')
-rw-r--r--drivers/iommu/ipmmu-vmsa.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 40ae6e87cb88..5c1ade7e9ae4 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -194,7 +194,9 @@ static struct ipmmu_vmsa_device *to_ipmmu(struct device *dev)
#define IMPMBA(n) (0x0280 + ((n) * 4))
#define IMPMBD(n) (0x02c0 + ((n) * 4))
-#define IMUCTR(n) (0x0300 + ((n) * 16))
+#define IMUCTR(n) ((n) < 32 ? IMUCTR0(n) : IMUCTR32(n))
+#define IMUCTR0(n) (0x0300 + ((n) * 16))
+#define IMUCTR32(n) (0x0600 + (((n) - 32) * 16))
#define IMUCTR_FIXADDEN (1 << 31)
#define IMUCTR_FIXADD_MASK (0xff << 16)
#define IMUCTR_FIXADD_SHIFT 16
@@ -204,7 +206,9 @@ static struct ipmmu_vmsa_device *to_ipmmu(struct device *dev)
#define IMUCTR_FLUSH (1 << 1)
#define IMUCTR_MMUEN (1 << 0)
-#define IMUASID(n) (0x0308 + ((n) * 16))
+#define IMUASID(n) ((n) < 32 ? IMUASID0(n) : IMUASID32(n))
+#define IMUASID0(n) (0x0308 + ((n) * 16))
+#define IMUASID32(n) (0x0608 + (((n) - 32) * 16))
#define IMUASID_ASID8_MASK (0xff << 8)
#define IMUASID_ASID8_SHIFT 8
#define IMUASID_ASID0_MASK (0xff << 0)
@@ -955,7 +959,7 @@ static int ipmmu_probe(struct platform_device *pdev)
}
mmu->dev = &pdev->dev;
- mmu->num_utlbs = 32;
+ mmu->num_utlbs = 48;
spin_lock_init(&mmu->lock);
bitmap_zero(mmu->ctx, IPMMU_CTX_MAX);
mmu->features = of_device_get_match_data(&pdev->dev);
OpenPOWER on IntegriCloud