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Code Issues Releases Wiki Activity

Removed leftover debug traces for rng testing

pull/665/head
Daniele Lacamera 2026-01-14 10:26:57 +01:00
parent da35fd5a04
commit 224d0ea2a1
1 changed files with 0 additions and 14 deletions
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14
hal/stm32_tz.c
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@ -336,13 +336,6 @@ void hal_tz_sau_init(void)
#define TRNG_CR_CONFIG1_SHIFT (20)
#define TRNG_CR_CONDRST (1 << 30)
__attribute__((noinline)) static void RAMFUNCTION trng_trace_step(uint32_t step)
{
(void)step;
__asm volatile("" : : "r"(step) : "memory");
}
static void hsi48_on(void)
{
@ -360,11 +353,8 @@ static void hsi48_on(void)
void hal_trng_init(void)
{
uint32_t reg_val;
trng_trace_step(1);
hsi48_on();
trng_trace_step(2);
RCC_AHB2_CLOCK_ER |= TRNG_AHB2_CLOCK_ER;
trng_trace_step(3);
reg_val = TRNG_CR;
reg_val &= ~(0x1F << TRNG_CR_CONFIG1_SHIFT);
@ -378,15 +368,11 @@ void hal_trng_init(void)
reg_val |= 0x06 << TRNG_CR_CLKDIV_SHIFT;
#endif
TRNG_CR = TRNG_CR_CONDRST | reg_val;
trng_trace_step(4);
while ((TRNG_CR & TRNG_CR_CONDRST) == 0)
;
trng_trace_step(5);
TRNG_CR = reg_val | TRNG_CR_RNGEN;
trng_trace_step(6);
while ((TRNG_SR & TRNG_SR_DRDY) == 0)
;
trng_trace_step(7);
}
/* Never used (RNG keeps running when in secure-mode) */