213     MXC_GCR->clkctrl |= MXC_F_GCR_CLKCTRL_ERTCO_EN;  in MXC_SYS_RTCClockEnable()
220     if ((MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_SYSCLK_SEL) != MXC_S_GCR_CLKCTRL_SYSCLK_SEL_ERTCO) {  in MXC_SYS_RTCClockDisable()
221         MXC_GCR->clkctrl &= ~MXC_F_GCR_CLKCTRL_ERTCO_EN;  in MXC_SYS_RTCClockDisable()
233         MXC_GCR->clkctrl |= MXC_F_GCR_CLKCTRL_IPO_EN;  in MXC_SYS_ClockSourceEnable()
238         MXC_GCR->clkctrl |= MXC_F_GCR_CLKCTRL_IBRO_EN;  in MXC_SYS_ClockSourceEnable()
243         MXC_GCR->clkctrl |= MXC_F_GCR_CLKCTRL_ISO_EN;  in MXC_SYS_ClockSourceEnable()
259         MXC_GCR->clkctrl |= MXC_F_GCR_CLKCTRL_ERFO_EN;  in MXC_SYS_ClockSourceEnable()
264         MXC_GCR->clkctrl |= MXC_F_GCR_CLKCTRL_ERTCO_EN;  in MXC_SYS_ClockSourceEnable()
279     current_clock = MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_SYSCLK_SEL;  in MXC_SYS_ClockSourceDisable()
288         MXC_GCR->clkctrl &= ~MXC_F_GCR_CLKCTRL_IPO_EN;  in MXC_SYS_ClockSourceDisable()
292         MXC_GCR->clkctrl &= ~MXC_F_GCR_CLKCTRL_ISO_EN;  in MXC_SYS_ClockSourceDisable()
297             MXC_GCR->clkctrl &= ~MXC_F_GCR_CLKCTRL_IBRO_EN;  in MXC_SYS_ClockSourceDisable()
310         MXC_GCR->clkctrl &= ~MXC_F_GCR_CLKCTRL_ERFO_EN;  in MXC_SYS_ClockSourceDisable()
314         MXC_GCR->clkctrl &= ~MXC_F_GCR_CLKCTRL_ERTCO_EN;  in MXC_SYS_ClockSourceDisable()
331     while (!(MXC_GCR->clkctrl & ready)) {}  in MXC_SYS_Clock_Timeout()
344     current_clock = MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_SYSCLK_SEL;  in MXC_SYS_Clock_Select()
350         if (!(MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_IPO_EN)) {  in MXC_SYS_Clock_Select()
355         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
363         if (!(MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_ISO_EN)) {  in MXC_SYS_Clock_Select()
368         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
376         if (!(MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_IBRO_EN)) {  in MXC_SYS_Clock_Select()
381         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
390         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
398         if (!(MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_ERFO_EN)) {  in MXC_SYS_Clock_Select()
403         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
410         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
418         if (!(MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_ERTCO_EN)) {  in MXC_SYS_Clock_Select()
423         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL,  in MXC_SYS_Clock_Select()
435         MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_SEL, current_clock);  in MXC_SYS_Clock_Select()
454     MXC_SETFIELD(MXC_GCR->clkctrl, MXC_F_GCR_CLKCTRL_SYSCLK_DIV, div);  in MXC_SYS_SetClockDiv()
462     return (MXC_GCR->clkctrl & MXC_F_GCR_CLKCTRL_SYSCLK_DIV);  in MXC_SYS_GetClockDiv()