starting to make bigint more portable/32-bit efficient

[arm-crypto-lib.git] / test_src / sysclock.c

diff --git a/test_src/sysclock.c b/test_src/sysclock.c
index 45d92178366027abb321151419feed1f7549830c..02e226c002a940a9834e97bbe9c8ee08b370e900 100644 (file)
--- a/test_src/sysclock.c
+++ b/test_src/sysclock.c
@@ -27,13 +27,15 @@
 #define PIOSC_FREQ 16000000UL
 
 void sysclk_set_rawclock(void){
-       uint32_t tmp_rcc;
+       volatile uint32_t tmp_rcc;
        tmp_rcc = 0; //HW_REG(SYSCTL_BASE+RCC_OFFSET);
        tmp_rcc &= ~(_BV(RCC_IOSCDIS) | _BV(RCC_MOSCDIS) | _BV(RCC_USESYSDIV));
        tmp_rcc |= _BV(RCC_BYPASS) | _BV(RCC_PWRDN);
        tmp_rcc &= ~(3<<RCC_OSCSRC);
        tmp_rcc |=  (0<<RCC_OSCSRC);
        HW_REG(SYSCTL_BASE+RCC_OFFSET) = tmp_rcc;
+//     tmp_rcc |= _BV(RCC_PWRDN);
+       HW_REG(SYSCTL_BASE+RCC_OFFSET) = tmp_rcc;
        HW_REG(SYSCTL_BASE+RCC2_OFFSET) &= ~(_BV(31));
 
 }
@@ -58,10 +60,11 @@ void sysclk_set_freq(uint8_t freq_id){
        HW_REG(SYSCTL_BASE+RCC2_OFFSET) = rcc2;
        rcc2 &= ~_BV(RCC2_PWRDN2);
        HW_REG(SYSCTL_BASE+RCC2_OFFSET) = rcc2;
-       rcc2 |= _BV(RCC2_DIV400) | freq_id<<RCC2_SYSDIV2LSB;
+       rcc2 |= _BV(RCC2_DIV400) | (freq_id<<RCC2_SYSDIV2LSB);
        HW_REG(SYSCTL_BASE+RCC2_OFFSET) = rcc2;
        while(!(HW_REG(SYSCTL_BASE+RIS_OFFSET)&_BV(RIS_PLLLRIS))){
        }
+//     return;
        rcc2 &= ~_BV(RCC2_BYPASS2);
        HW_REG(SYSCTL_BASE+RCC2_OFFSET) = rcc2;
 }