diff options
Diffstat (limited to 'hw/iommu.c')
| -rw-r--r-- | hw/iommu.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/iommu.c b/hw/iommu.c index 55d39b9fd7..c90f09bca6 100644 --- a/hw/iommu.c +++ b/hw/iommu.c @@ -37,7 +37,6 @@ do { printf("IOMMU: " fmt , ##args); } while (0) #define IOMMU_CTRL (0x0000 >> 2) #define IOMMU_CTRL_IMPL 0xf0000000 /* Implementation */ #define IOMMU_CTRL_VERS 0x0f000000 /* Version */ -#define IOMMU_VERSION 0x04000000 #define IOMMU_CTRL_RNGE 0x0000001c /* Mapping RANGE */ #define IOMMU_RNGE_16MB 0x00000000 /* 0xff000000 -> 0xffffffff */ #define IOMMU_RNGE_32MB 0x00000004 /* 0xfe000000 -> 0xffffffff */ @@ -104,6 +103,7 @@ typedef struct IOMMUState { target_phys_addr_t addr; uint32_t regs[IOMMU_NREGS]; target_phys_addr_t iostart; + uint32_t version; } IOMMUState; static uint32_t iommu_mem_readw(void *opaque, target_phys_addr_t addr) @@ -158,7 +158,7 @@ static void iommu_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val break; } DPRINTF("iostart = " TARGET_FMT_plx "\n", s->iostart); - s->regs[saddr] = ((val & IOMMU_CTRL_MASK) | IOMMU_VERSION); + s->regs[saddr] = ((val & IOMMU_CTRL_MASK) | s->version); break; case IOMMU_BASE: s->regs[saddr] = val & IOMMU_BASE_MASK; @@ -308,10 +308,11 @@ static void iommu_reset(void *opaque) memset(s->regs, 0, IOMMU_NREGS * 4); s->iostart = 0; - s->regs[IOMMU_CTRL] = IOMMU_VERSION; + s->regs[IOMMU_CTRL] = s->version; + s->regs[IOMMU_ARBEN] = IOMMU_MID; } -void *iommu_init(target_phys_addr_t addr) +void *iommu_init(target_phys_addr_t addr, uint32_t version) { IOMMUState *s; int iommu_io_memory; @@ -321,12 +322,14 @@ void *iommu_init(target_phys_addr_t addr) return NULL; s->addr = addr; + s->version = version; iommu_io_memory = cpu_register_io_memory(0, iommu_mem_read, iommu_mem_write, s); cpu_register_physical_memory(addr, IOMMU_NREGS * 4, iommu_io_memory); register_savevm("iommu", addr, 2, iommu_save, iommu_load, s); qemu_register_reset(iommu_reset, s); + iommu_reset(s); return s; } |