machine/stm32f4, stm32f7, stm32l4: implement TRNG for randomness

Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram
2021-12-14 18:17:33 +01:00
committed by Ron Evans
parent 2ebaa9f520
commit e1df2510d4
6 changed files with 54 additions and 2 deletions
+6
View File
@@ -1,3 +1,4 @@
//go:build stm32f7
// +build stm32f7
package machine
@@ -716,3 +717,8 @@ const (
ARR_MAX = 0x10000
PSC_MAX = 0x10000
)
func initRNG() {
stm32.RCC.AHB2ENR.SetBits(stm32.RCC_AHB2ENR_RNGEN)
stm32.RNG.CR.SetBits(stm32.RNG_CR_RNGEN)
}