lib/ultralib/src/io/driverominit.c


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#include "PR/os_internal.h"
#include "PR/rcp.h"
#include "PRinternal/macros.h"

OSPiHandle DriveRomHandle ALIGNED(0x8);

OSPiHandle *osDriveRomInit(void) {
    u32 saveMask;

    if (DriveRomHandle.baseAddress == PHYS_TO_K1(PI_DOM1_ADDR1)) {
        return &DriveRomHandle;
    }

    DriveRomHandle.type = DEVICE_TYPE_BULK;
    DriveRomHandle.baseAddress = PHYS_TO_K1(PI_DOM1_ADDR1);
    DriveRomHandle.latency = 64;
    DriveRomHandle.pulse = 7;
    DriveRomHandle.pageSize = 7;
    DriveRomHandle.relDuration = 2;
    DriveRomHandle.domain = PI_DOMAIN1;
    DriveRomHandle.speed = 0;

    bzero(&DriveRomHandle.transferInfo, sizeof(__OSTranxInfo));

    saveMask = __osDisableInt();
    DriveRomHandle.next = __osPiTable;
    __osPiTable = &DriveRomHandle;
    __osRestoreInt(saveMask);

    return &DriveRomHandle;
}