xp_readmem8
sc->sc_xp_rept_clk = xp_readmem8(PAM_REPT_CLK);
sc->sc_xp_rept_max = xp_readmem8(PAM_REPT_MAX);
if (xp_readmem8(PAM_RUN) != 0) {
int xp_readmem8(int);
r = xp_readmem8(addr + READY);
while ((rv = xp_readmem8(addr + RESULT)) == 0)