diff options
Diffstat (limited to 'sys/sparc64/pci')
| -rw-r--r-- | sys/sparc64/pci/psycho.c | 19 | ||||
| -rw-r--r-- | sys/sparc64/pci/psychoreg.h | 4 |
2 files changed, 16 insertions, 7 deletions
diff --git a/sys/sparc64/pci/psycho.c b/sys/sparc64/pci/psycho.c index 6ecc6c8..e409670 100644 --- a/sys/sparc64/pci/psycho.c +++ b/sys/sparc64/pci/psycho.c @@ -52,6 +52,7 @@ __FBSDID("$FreeBSD$"); #include <sys/mutex.h> #include <sys/pcpu.h> #include <sys/reboot.h> +#include <sys/rman.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_pci.h> @@ -66,8 +67,6 @@ __FBSDID("$FreeBSD$"); #include <machine/resource.h> #include <machine/ver.h> -#include <sys/rman.h> - #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> @@ -557,9 +556,15 @@ psycho_attach(device_t dev) * For the moment, 32KB should be more than enough. */ sc->sc_is = malloc(sizeof(struct iommu_state), M_DEVBUF, - M_NOWAIT); + M_NOWAIT | M_ZERO); if (sc->sc_is == NULL) panic("%s: malloc iommu_state failed", __func__); + if (sc->sc_mode == PSYCHO_MODE_SABRE) + sc->sc_is->is_pmaxaddr = + IOMMU_MAXADDR(SABRE_IOMMU_BITS); + else + sc->sc_is->is_pmaxaddr = + IOMMU_MAXADDR(PSYCHO_IOMMU_BITS); sc->sc_is->is_sb[0] = 0; sc->sc_is->is_sb[1] = 0; if (OF_getproplen(node, "no-streaming-cache") < 0) @@ -577,9 +582,9 @@ psycho_attach(device_t dev) sc->sc_pci_memt = psycho_alloc_bus_tag(sc, PCI_MEMORY_BUS_SPACE); sc->sc_pci_iot = psycho_alloc_bus_tag(sc, PCI_IO_BUS_SPACE); sc->sc_pci_cfgt = psycho_alloc_bus_tag(sc, PCI_CONFIG_BUS_SPACE); - if (bus_dma_tag_create(bus_get_dma_tag(dev), 8, 0, IOMMU_MAXADDR, ~0, - NULL, NULL, IOMMU_MAXADDR, 0xff, 0xffffffff, 0, NULL, NULL, - &sc->sc_pci_dmat) != 0) + if (bus_dma_tag_create(bus_get_dma_tag(dev), 8, 0, + sc->sc_is->is_pmaxaddr, ~0, NULL, NULL, sc->sc_is->is_pmaxaddr, + 0xff, 0xffffffff, 0, NULL, NULL, &sc->sc_pci_dmat) != 0) panic("%s: bus_dma_tag_create failed", __func__); /* Customize the tag. */ sc->sc_pci_dmat->dt_cookie = sc->sc_is; @@ -1075,7 +1080,7 @@ psycho_setup_intr(device_t dev, device_t child, struct resource *ires, * XXX installing the workaround for an affected device and the * actual workaround in psycho_intr_stub() should be moved to * psycho(4)-specific bus_dma_tag_create() and bus_dmamap_sync() - * methods, respectively, once we make use of BUS_GET_DMA_TAG(), + * methods, respectively, once DMA tag creation is newbus'ified, * so the workaround isn't only applied for interrupt handlers * but also for polling(4) callbacks. */ diff --git a/sys/sparc64/pci/psychoreg.h b/sys/sparc64/pci/psychoreg.h index 1bf300f..b15e3d9 100644 --- a/sys/sparc64/pci/psychoreg.h +++ b/sys/sparc64/pci/psychoreg.h @@ -299,4 +299,8 @@ #define PCSR_SECBUS 0x40 /* Secondary bus number register */ #define PCSR_SUBBUS 0x41 /* Subordinate bus number register */ +/* Width of the physical addresses the IOMMU translates to */ +#define PSYCHO_IOMMU_BITS 41 +#define SABRE_IOMMU_BITS 34 + #endif /* !_SPARC64_PCI_PSYCHOREG_H_ */ |
