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stm32wl: STM32WL TRNG implementation in crypto/rand

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This commit is contained in:
Olivier Fauchon
2021-12-05 23:38:57 +01:00
committed by Ron Evans
parent 3e6410f323
commit b4503c1e37
4 changed files with 66 additions and 4 deletions
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src/runtime/runtime_stm32wle5.go
+2 -1
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@@ -57,7 +57,7 @@ func initCLK() {
((PLL_Q - 1) << stm32.RCC_PLLCFGR_PLLQ_Pos) |
((PLL_R - 1) << stm32.RCC_PLLCFGR_PLLR_Pos) |
((PLL_P - 1) << stm32.RCC_PLLCFGR_PLLP_Pos) |
stm32.RCC_PLLCFGR_PLLSRC_HSE32 | stm32.RCC_PLLCFGR_PLLPEN)
stm32.RCC_PLLCFGR_PLLSRC_HSE32 | stm32.RCC_PLLCFGR_PLLPEN | stm32.RCC_PLLCFGR_PLLQEN)
// Enable PLL
stm32.RCC.CR.SetBits(stm32.RCC_CR_PLLON)
@@ -98,6 +98,7 @@ func initCLK() {
stm32.RCC.CFGR.ReplaceBits(stm32.RCC_CFGR_SW_PLLR, stm32.RCC_CFGR_SW_Msk, 0)
for (stm32.RCC.CFGR.Get() & stm32.RCC_CFGR_SWS_Msk) != (stm32.RCC_CFGR_SWS_PLLR << stm32.RCC_CFGR_SWS_Pos) {
}
}
func putchar(c byte) {