diff options
Diffstat (limited to 'sys/dev/usb/xhci.c')
| -rw-r--r-- | sys/dev/usb/xhci.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c index 9ab109a..2b55f16 100644 --- a/sys/dev/usb/xhci.c +++ b/sys/dev/usb/xhci.c @@ -37,6 +37,7 @@ #include <dev/usb/xhciregs.h> #include <dev/usb/xhcivar.h> #include <dev/pci/pci.h> +#include <dev/pci/pciregs.h> #include <dev/acpi/acpi.h> #include <vm/physmem.h> #include <vm/dynalloc.h> @@ -175,6 +176,7 @@ xhci_init_scratchpads(struct xhci_hc *hc) struct xhci_caps *caps = XHCI_CAPS(hc->base); uint16_t max_bufs_lo, max_bufs_hi; uint16_t max_bufs; + uint32_t npages; uintptr_t *bufarr, tmp; max_bufs_lo = XHCI_MAX_SP_LO(caps->hcsparams1); @@ -188,8 +190,9 @@ xhci_init_scratchpads(struct xhci_hc *hc) return 0; } - pr_trace("using %d pages for xHC scratchpads\n"); - bufarr = dynalloc_memalign(sizeof(uintptr_t)*max_bufs, 0x1000); + npages = (sizeof(uint64_t) * max_bufs) / DEFAULT_PAGESIZE; + pr_trace("using %d pages for xHC scratchpads\n", npages); + bufarr = dynalloc_memalign(npages * DEFAULT_PAGESIZE, 0x1000); if (bufarr == NULL) { pr_error("failed to allocate scratchpad buffer array\n"); return -1; @@ -496,6 +499,16 @@ xhci_init_hc(struct xhci_hc *hc) return 0; } +static void +xhci_init_pci(void) +{ + uint32_t tmp; + + tmp = pci_readl(hci_dev, PCIREG_CMDSTATUS); + tmp |= (PCI_BUS_MASTERING | PCI_MEM_SPACE); + pci_writel(hci_dev, PCIREG_CMDSTATUS, tmp); +} + static int xhci_init(void) { @@ -528,6 +541,7 @@ xhci_init(void) return -ENODEV; } + xhci_init_pci(); return xhci_init_hc(&xhc); } |