REG_IDLEST
while (RD4(sc, REG_IDLEST) != AM3_ST_MN_BYPASS)
while (RD4(sc, REG_IDLEST) != AM3_ST_DPLL_CLK)
while ((RD4(sc, REG_IDLEST) & OMAP3_ST_MPU_CLK) != 0)