diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb-ohci.c | 198 |
1 files changed, 115 insertions, 83 deletions
diff --git a/hw/usb-ohci.c b/hw/usb-ohci.c index af95c057f4..f35685dfd8 100644 --- a/hw/usb-ohci.c +++ b/hw/usb-ohci.c @@ -1360,103 +1360,135 @@ static void ohci_port_set_status(OHCIState *ohci, int portnum, uint32_t val) static uint32_t ohci_mem_read(void *ptr, target_phys_addr_t addr) { OHCIState *ohci = ptr; + uint32_t retval; /* Only aligned reads are allowed on OHCI */ if (addr & 3) { fprintf(stderr, "usb-ohci: Mis-aligned read\n"); return 0xffffffff; - } - - if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) { + } else if (addr >= 0x54 && addr < 0x54 + ohci->num_ports * 4) { /* HcRhPortStatus */ - return ohci->rhport[(addr - 0x54) >> 2].ctrl | OHCI_PORT_PPS; + retval = ohci->rhport[(addr - 0x54) >> 2].ctrl | OHCI_PORT_PPS; + } else { + switch (addr >> 2) { + case 0: /* HcRevision */ + retval = 0x10; + break; + + case 1: /* HcControl */ + retval = ohci->ctl; + break; + + case 2: /* HcCommandStatus */ + retval = ohci->status; + break; + + case 3: /* HcInterruptStatus */ + retval = ohci->intr_status; + break; + + case 4: /* HcInterruptEnable */ + case 5: /* HcInterruptDisable */ + retval = ohci->intr; + break; + + case 6: /* HcHCCA */ + retval = ohci->hcca; + break; + + case 7: /* HcPeriodCurrentED */ + retval = ohci->per_cur; + break; + + case 8: /* HcControlHeadED */ + retval = ohci->ctrl_head; + break; + + case 9: /* HcControlCurrentED */ + retval = ohci->ctrl_cur; + break; + + case 10: /* HcBulkHeadED */ + retval = ohci->bulk_head; + break; + + case 11: /* HcBulkCurrentED */ + retval = ohci->bulk_cur; + break; + + case 12: /* HcDoneHead */ + retval = ohci->done; + break; + + case 13: /* HcFmInterretval */ + retval = (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi); + break; + + case 14: /* HcFmRemaining */ + retval = ohci_get_frame_remaining(ohci); + break; + + case 15: /* HcFmNumber */ + retval = ohci->frame_number; + break; + + case 16: /* HcPeriodicStart */ + retval = ohci->pstart; + break; + + case 17: /* HcLSThreshold */ + retval = ohci->lst; + break; + + case 18: /* HcRhDescriptorA */ + retval = ohci->rhdesc_a; + break; + + case 19: /* HcRhDescriptorB */ + retval = ohci->rhdesc_b; + break; + + case 20: /* HcRhStatus */ + retval = ohci->rhstatus; + break; + + /* PXA27x specific registers */ + case 24: /* HcStatus */ + retval = ohci->hstatus & ohci->hmask; + break; + + case 25: /* HcHReset */ + retval = ohci->hreset; + break; + + case 26: /* HcHInterruptEnable */ + retval = ohci->hmask; + break; + + case 27: /* HcHInterruptTest */ + retval = ohci->htest; + break; + + default: + fprintf(stderr, "ohci_read: Bad offset %x\n", (int)addr); + retval = 0xffffffff; + } } - switch (addr >> 2) { - case 0: /* HcRevision */ - return 0x10; - - case 1: /* HcControl */ - return ohci->ctl; - - case 2: /* HcCommandStatus */ - return ohci->status; - - case 3: /* HcInterruptStatus */ - return ohci->intr_status; - - case 4: /* HcInterruptEnable */ - case 5: /* HcInterruptDisable */ - return ohci->intr; - - case 6: /* HcHCCA */ - return ohci->hcca; - - case 7: /* HcPeriodCurrentED */ - return ohci->per_cur; - - case 8: /* HcControlHeadED */ - return ohci->ctrl_head; - - case 9: /* HcControlCurrentED */ - return ohci->ctrl_cur; - - case 10: /* HcBulkHeadED */ - return ohci->bulk_head; - - case 11: /* HcBulkCurrentED */ - return ohci->bulk_cur; - - case 12: /* HcDoneHead */ - return ohci->done; - - case 13: /* HcFmInterval */ - return (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi); - - case 14: /* HcFmRemaining */ - return ohci_get_frame_remaining(ohci); - - case 15: /* HcFmNumber */ - return ohci->frame_number; - - case 16: /* HcPeriodicStart */ - return ohci->pstart; - - case 17: /* HcLSThreshold */ - return ohci->lst; - - case 18: /* HcRhDescriptorA */ - return ohci->rhdesc_a; - - case 19: /* HcRhDescriptorB */ - return ohci->rhdesc_b; - - case 20: /* HcRhStatus */ - return ohci->rhstatus; - - /* PXA27x specific registers */ - case 24: /* HcStatus */ - return ohci->hstatus & ohci->hmask; - - case 25: /* HcHReset */ - return ohci->hreset; - - case 26: /* HcHInterruptEnable */ - return ohci->hmask; - - case 27: /* HcHInterruptTest */ - return ohci->htest; - - default: - fprintf(stderr, "ohci_read: Bad offset %x\n", (int)addr); - return 0xffffffff; - } +#ifdef TARGET_WORDS_BIGENDIAN + retval = bswap32(retval); +#endif + return retval; } static void ohci_mem_write(void *ptr, target_phys_addr_t addr, uint32_t val) { OHCIState *ohci = ptr; +#ifdef TARGET_WORDS_BIGENDIAN + val = bswap32(val); +#endif + /* Only aligned reads are allowed on OHCI */ if (addr & 3) { fprintf(stderr, "usb-ohci: Mis-aligned write\n"); |