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USB OHCI: add support for big endian targets

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6368 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-18 20:56:30 +00:00
parent 470d86b736
commit 65e1d81b29
1 changed files with 115 additions and 83 deletions
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96
hw/usb-ohci.c
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@ -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 */
return 0x10;
retval = 0x10;
break;
case 1: /* HcControl */
return ohci->ctl;
retval = ohci->ctl;
break;
case 2: /* HcCommandStatus */
return ohci->status;
retval = ohci->status;
break;
case 3: /* HcInterruptStatus */
return ohci->intr_status;
retval = ohci->intr_status;
break;
case 4: /* HcInterruptEnable */
case 5: /* HcInterruptDisable */
return ohci->intr;
retval = ohci->intr;
break;
case 6: /* HcHCCA */
return ohci->hcca;
retval = ohci->hcca;
break;
case 7: /* HcPeriodCurrentED */
return ohci->per_cur;
retval = ohci->per_cur;
break;
case 8: /* HcControlHeadED */
return ohci->ctrl_head;
retval = ohci->ctrl_head;
break;
case 9: /* HcControlCurrentED */
return ohci->ctrl_cur;
retval = ohci->ctrl_cur;
break;
case 10: /* HcBulkHeadED */
return ohci->bulk_head;
retval = ohci->bulk_head;
break;
case 11: /* HcBulkCurrentED */
return ohci->bulk_cur;
retval = ohci->bulk_cur;
break;
case 12: /* HcDoneHead */
return ohci->done;
retval = ohci->done;
break;
case 13: /* HcFmInterval */
return (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi);
case 13: /* HcFmInterretval */
retval = (ohci->fit << 31) | (ohci->fsmps << 16) | (ohci->fi);
break;
case 14: /* HcFmRemaining */
return ohci_get_frame_remaining(ohci);
retval = ohci_get_frame_remaining(ohci);
break;
case 15: /* HcFmNumber */
return ohci->frame_number;
retval = ohci->frame_number;
break;
case 16: /* HcPeriodicStart */
return ohci->pstart;
retval = ohci->pstart;
break;
case 17: /* HcLSThreshold */
return ohci->lst;
retval = ohci->lst;
break;
case 18: /* HcRhDescriptorA */
return ohci->rhdesc_a;
retval = ohci->rhdesc_a;
break;
case 19: /* HcRhDescriptorB */
return ohci->rhdesc_b;
retval = ohci->rhdesc_b;
break;
case 20: /* HcRhStatus */
return ohci->rhstatus;
retval = ohci->rhstatus;
break;
/* PXA27x specific registers */
case 24: /* HcStatus */
return ohci->hstatus & ohci->hmask;
retval = ohci->hstatus & ohci->hmask;
break;
case 25: /* HcHReset */
return ohci->hreset;
retval = ohci->hreset;
break;
case 26: /* HcHInterruptEnable */
return ohci->hmask;
retval = ohci->hmask;
break;
case 27: /* HcHInterruptTest */
return ohci->htest;
retval = ohci->htest;
break;
default:
fprintf(stderr, "ohci_read: Bad offset %x\n", (int)addr);
return 0xffffffff;
retval = 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");