[ARM] How to start the PLL on LPC1343 PLL

Code C - [expand]
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void InitPLL (void) {
 
    PDRUNCFG |= 0x00000080;         // Set SYSPLL_PD
 
    SYSPLLCLKUEN &= ~0x00000001;  // No change
    SYSPLLCLKSEL = 0x00000001;      // System oscillator
    SYSPLLCLKUEN |= 0x00000001;     // Update clock source
 
    SYSPLLCTRL = 0x00000025;        // FCLKOUT = 72 MHz /// M div = 6 / P div = 2
    PDRUNCFG &= ~0x00000080;        // Set SYSPLL_PD
 
    while(!(SYSPLLSTAT & 0x000000001)){}  //If 1 -> PLL locked
}

Code C - [expand]
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void SystemInit (void)
{
#if (CLOCK_SETUP)                                 /* Clock Setup              */
#if (SYSCLK_SETUP)                                /* System Clock Setup       */
#if (SYSOSC_SETUP)                                /* System Oscillator Setup  */
  uint32_t i;
 
  LPC_SYSCON->PDRUNCFG     &= ~(1 << 5);          /* Power-up System Osc      */
  LPC_SYSCON->SYSOSCCTRL    = 0x00;
  for (i = 0; i < 200; i++) __NOP();
  LPC_SYSCON->SYSPLLCLKSEL  = 0x01;   /* Select PLL Input         */
  LPC_SYSCON->SYSPLLCLKUEN  = 0x01;               /* Update Clock Source      */
  LPC_SYSCON->SYSPLLCLKUEN  = 0x00;               /* Toggle Update Register   */
  LPC_SYSCON->SYSPLLCLKUEN  = 0x01;
  while (!(LPC_SYSCON->SYSPLLCLKUEN & 0x01));     /* Wait Until Updated       */
#if (SYSPLL_SETUP)                                /* System PLL Setup         */
  LPC_SYSCON->SYSPLLCTRL    = SYSPLLCTRL_Val;
  LPC_SYSCON->PDRUNCFG     &= ~(1 << 7);          /* Power-up SYSPLL          */
  while (!(LPC_SYSCON->SYSPLLSTAT & 0x01));       /* Wait Until PLL Locked    */
#endif
#endif