aboutsummaryrefslogtreecommitdiff
path: root/hw/pci-host/apb.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2014-08-18 12:55:02 +0100
committerPeter Maydell <peter.maydell@linaro.org>2014-08-18 12:55:02 +0100
commit08ab59770da57648bfb8fc9be37f0ef7fb50b0f9 (patch)
treeb6840a4ace1a8d7f45dbc0ec9991aa42384d0204 /hw/pci-host/apb.c
parentda398fcc256b226217c92c8a83abf3a6ff247e8b (diff)
parent2a5fade753e66ae68f0131962391cd78b99afa53 (diff)
Merge remote-tracking branch 'remotes/mcayland/qemu-sparc' into staging
* remotes/mcayland/qemu-sparc: target-sparc64: implement Short Floating-Point Store Instructions apb: add IOMMU flush register implementation sun4u: switch second PCI-ebus bridge BAR over to PCI IO space Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/pci-host/apb.c')
-rw-r--r--hw/pci-host/apb.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c
index d238a84f95..60bd81e477 100644
--- a/hw/pci-host/apb.c
+++ b/hw/pci-host/apb.c
@@ -94,6 +94,7 @@ do { printf("IOMMU: " fmt , ## __VA_ARGS__); } while (0)
#define IOMMU_CTRL_TSB_SHIFT 16
#define IOMMU_BASE 0x8
+#define IOMMU_FLUSH 0x10
#define IOMMU_TTE_DATA_V (1ULL << 63)
#define IOMMU_TTE_DATA_SIZE (1ULL << 61)
@@ -352,6 +353,9 @@ static void iommu_config_write(void *opaque, hwaddr addr,
is->regs[IOMMU_BASE >> 3] &= 0xffffffff00000000ULL;
is->regs[IOMMU_BASE >> 3] |= val & 0xffffffffULL;
break;
+ case IOMMU_FLUSH:
+ case IOMMU_FLUSH + 0x4:
+ break;
default:
qemu_log_mask(LOG_UNIMP,
"apb iommu: Unimplemented register write "
@@ -387,6 +391,10 @@ static uint64_t iommu_config_read(void *opaque, hwaddr addr, unsigned size)
case IOMMU_BASE + 0x4:
val = is->regs[IOMMU_BASE >> 3] & 0xffffffffULL;
break;
+ case IOMMU_FLUSH:
+ case IOMMU_FLUSH + 0x4:
+ val = 0;
+ break;
default:
qemu_log_mask(LOG_UNIMP,
"apb iommu: Unimplemented register read "
@@ -415,7 +423,7 @@ static void apb_config_writel (void *opaque, hwaddr addr,
/* XXX: not implemented yet */
break;
case 0x200 ... 0x217: /* IOMMU */
- iommu_config_write(is, (addr & 0xf), val, size);
+ iommu_config_write(is, (addr & 0x1f), val, size);
break;
case 0xc00 ... 0xc3f: /* PCI interrupt control */
if (addr & 4) {
@@ -497,7 +505,7 @@ static uint64_t apb_config_readl (void *opaque,
/* XXX: not implemented yet */
break;
case 0x200 ... 0x217: /* IOMMU */
- val = iommu_config_read(is, (addr & 0xf), size);
+ val = iommu_config_read(is, (addr & 0x1f), size);
break;
case 0xc00 ... 0xc3f: /* PCI interrupt control */
if (addr & 4) {