diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 100 |
1 files changed, 57 insertions, 43 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 0a03053c0f..72f4eebb69 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -2586,37 +2586,43 @@ static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val) static uint32_t xhci_runtime_read(XHCIState *xhci, uint32_t reg) { - XHCIInterrupter *intr = &xhci->intr[0]; - uint32_t ret; + uint32_t ret = 0; - switch (reg) { - case 0x00: /* MFINDEX */ - ret = xhci_mfindex_get(xhci) & 0x3fff; - break; - case 0x20: /* IMAN */ - ret = intr->iman; - break; - case 0x24: /* IMOD */ - ret = intr->imod; - break; - case 0x28: /* ERSTSZ */ - ret = intr->erstsz; - break; - case 0x30: /* ERSTBA low */ - ret = intr->erstba_low; - break; - case 0x34: /* ERSTBA high */ - ret = intr->erstba_high; - break; - case 0x38: /* ERDP low */ - ret = intr->erdp_low; - break; - case 0x3c: /* ERDP high */ - ret = intr->erdp_high; - break; - default: - fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", reg); - ret = 0; + if (reg < 0x20) { + switch (reg) { + case 0x00: /* MFINDEX */ + ret = xhci_mfindex_get(xhci) & 0x3fff; + break; + default: + fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", reg); + break; + } + } else { + int v = (reg - 0x20) / 0x20; + XHCIInterrupter *intr = &xhci->intr[v]; + switch (reg & 0x1f) { + case 0x00: /* IMAN */ + ret = intr->iman; + break; + case 0x04: /* IMOD */ + ret = intr->imod; + break; + case 0x08: /* ERSTSZ */ + ret = intr->erstsz; + break; + case 0x10: /* ERSTBA low */ + ret = intr->erstba_low; + break; + case 0x14: /* ERSTBA high */ + ret = intr->erstba_high; + break; + case 0x18: /* ERDP low */ + ret = intr->erdp_low; + break; + case 0x1c: /* ERDP high */ + ret = intr->erdp_high; + break; + } } trace_usb_xhci_runtime_read(reg, ret); @@ -2625,43 +2631,51 @@ static uint32_t xhci_runtime_read(XHCIState *xhci, uint32_t reg) static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val) { - XHCIInterrupter *intr = &xhci->intr[0]; + int v = (reg - 0x20) / 0x20; + XHCIInterrupter *intr = &xhci->intr[v]; trace_usb_xhci_runtime_write(reg, val); - switch (reg) { - case 0x20: /* IMAN */ + if (reg < 0x20) { + fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg); + return; + } + + switch (reg & 0x1f) { + case 0x00: /* IMAN */ if (val & IMAN_IP) { intr->iman &= ~IMAN_IP; } intr->iman &= ~IMAN_IE; intr->iman |= val & IMAN_IE; - xhci_intx_update(xhci); - xhci_msix_update(xhci, 0); + if (v == 0) { + xhci_intx_update(xhci); + } + xhci_msix_update(xhci, v); break; - case 0x24: /* IMOD */ + case 0x04: /* IMOD */ intr->imod = val; break; - case 0x28: /* ERSTSZ */ + case 0x08: /* ERSTSZ */ intr->erstsz = val & 0xffff; break; - case 0x30: /* ERSTBA low */ + case 0x10: /* ERSTBA low */ /* XXX NEC driver bug: it doesn't align this to 64 bytes intr->erstba_low = val & 0xffffffc0; */ intr->erstba_low = val & 0xfffffff0; break; - case 0x34: /* ERSTBA high */ + case 0x14: /* ERSTBA high */ intr->erstba_high = val; - xhci_er_reset(xhci, 0); + xhci_er_reset(xhci, v); break; - case 0x38: /* ERDP low */ + case 0x18: /* ERDP low */ if (val & ERDP_EHB) { intr->erdp_low &= ~ERDP_EHB; } intr->erdp_low = (val & ~ERDP_EHB) | (intr->erdp_low & ERDP_EHB); break; - case 0x3c: /* ERDP high */ + case 0x1c: /* ERDP high */ intr->erdp_high = val; - xhci_events_update(xhci, 0); + xhci_events_update(xhci, v); break; default: fprintf(stderr, "xhci_oper_write: reg 0x%x unimplemented\n", reg); |