Signed-off-by: Sven Schnelle svens@stackframe.org --- src/usb-ehci.c | 6 ++---- src/usb-ehci.h | 9 ++++++--- 2 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/src/usb-ehci.c b/src/usb-ehci.c index 4cb3e6a..8267a63 100644 --- a/src/usb-ehci.c +++ b/src/usb-ehci.c @@ -334,10 +334,6 @@ ehci_init(struct pci_device *pci, int busid, struct pci_device *comppci) u32 baseaddr = pci_config_readl(bdf, PCI_BASE_ADDRESS_0); struct ehci_caps *caps = (void*)(baseaddr & PCI_BASE_ADDRESS_MEM_MASK); u32 hcc_params = readl(&caps->hccparams); - if (hcc_params & HCC_64BIT_ADDR) { - dprintf(1, "No support for 64bit EHCI\n"); - return -1; - }
struct usb_ehci_s *cntl = malloc_tmphigh(sizeof(*cntl)); if (!cntl) { @@ -349,6 +345,8 @@ ehci_init(struct pci_device *pci, int busid, struct pci_device *comppci) cntl->usb.pci = pci; cntl->usb.type = USB_TYPE_EHCI; cntl->caps = caps; + if (hcc_params & HCC_64BIT_ADDR) + cntl->regs->ctrldssegment = 0; cntl->regs = (void*)caps + readb(&caps->caplength);
dprintf(1, "EHCI init on dev %02x:%02x.%x (regs=%p)\n" diff --git a/src/usb-ehci.h b/src/usb-ehci.h index b295c78..924bbd8 100644 --- a/src/usb-ehci.h +++ b/src/usb-ehci.h @@ -102,7 +102,7 @@ struct ehci_qh { u32 alt_next; u32 token; u32 buf[5]; - // u32 buf_hi[5]; + u32 buf_hi[5]; } PACKED;
#define QH_CONTROL (1 << 27) @@ -140,8 +140,11 @@ struct ehci_qtd { u32 alt_next; u32 token; u32 buf[5]; - //u32 buf_hi[5]; -} PACKED; + u32 buf_hi[5]; + /* keep struct size a multiple of 32 Bytes, as we're allocating + arrays. Without this padding, the second qtd would have the + wrong alignment. */ +} PACKED __aligned(32);
#define QTD_TOGGLE (1 << 31) #define QTD_LENGTH_SHIFT 16