[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] add Arbiter Enable Register support to sparc iommu
From: |
Robert Reif |
Subject: |
[Qemu-devel] [PATCH] add Arbiter Enable Register support to sparc iommu |
Date: |
Sat, 20 Dec 2008 20:53:44 -0500 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.18) Gecko/20081030 SeaMonkey/1.1.13 |
Add Arbiter Enable Register support to sparc iommu for MBus based systems.
--- hw/iommu.c (revision 6110)
+++ hw/iommu.c (working copy)
@@ -78,6 +78,19 @@
#define IOMMU_AFAR (0x1004 >> 2)
+#define IOMMU_AER (0x1008 >> 2) /* Arbiter Enable Register */
+#define IOMMU_AER_EN_P0_ARB 0x00000001 /* MBus master 0x8 (Always 1) */
+#define IOMMU_AER_EN_P1_ARB 0x00000002 /* MBus master 0x9 */
+#define IOMMU_AER_EN_P2_ARB 0x00000004 /* MBus master 0xa */
+#define IOMMU_AER_EN_P3_ARB 0x00000008 /* MBus master 0xb */
+#define IOMMU_AER_EN_0 0x00010000 /* SBus slot 0 */
+#define IOMMU_AER_EN_1 0x00020000 /* SBus slot 1 */
+#define IOMMU_AER_EN_2 0x00040000 /* SBus slot 2 */
+#define IOMMU_AER_EN_3 0x00080000 /* SBus slot 3 */
+#define IOMMU_AER_EN_F 0x00100000 /* SBus on-board */
+#define IOMMU_AER_SBW 0x80000000 /* S-to-M asynchronous writes */
+#define IOMMU_AER_MASK 0x801f000f
+
#define IOMMU_SBCFG0 (0x1010 >> 2) /* SBUS configration per-slot */
#define IOMMU_SBCFG1 (0x1014 >> 2) /* SBUS configration per-slot */
#define IOMMU_SBCFG2 (0x1018 >> 2) /* SBUS configration per-slot */
@@ -196,6 +209,9 @@
s->regs[saddr] = val;
qemu_irq_lower(s->irq);
break;
+ case IOMMU_AER:
+ s->regs[saddr] = (val & IOMMU_AER_MASK) | IOMMU_AER_EN_P0_ARB;
+ break;
case IOMMU_AFSR:
s->regs[saddr] = (val & IOMMU_AFSR_MASK) | IOMMU_AFSR_RESV;
qemu_irq_lower(s->irq);
@@ -344,6 +360,7 @@
s->regs[IOMMU_CTRL] = s->version;
s->regs[IOMMU_ARBEN] = IOMMU_MID;
s->regs[IOMMU_AFSR] = IOMMU_AFSR_RESV;
+ s->regs[IOMMU_AER] = IOMMU_AER_EN_P0_ARB | IOMMU_AER_EN_P1_ARB;
s->regs[IOMMU_MASK_ID] = IOMMU_TS_MASK;
qemu_irq_lower(s->irq);
}
- [Qemu-devel] [PATCH] add Arbiter Enable Register support to sparc iommu,
Robert Reif <=