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stm32: add more MCUs with h/w RNG

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This commit is contained in:
Kenneth Bell
2021-12-19 17:17:30 +00:00
committed by Ron Evans
parent 61be9189f1
commit 5c3ad004ab
5 changed files with 21 additions and 5 deletions
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lib/stm32-svd
+1 -1
Submodule lib/stm32-svd updated: 5f417214ef...e6db8e32d5
src/crypto/rand/rand_baremetal.go
+2 -2
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@@ -1,5 +1,5 @@
//go:build stm32wlx || stm32f4 || stm32f7 || stm32l4 || (sam && atsamd51) || (sam && atsame5x)
// +build stm32wlx stm32f4 stm32f7 stm32l4 sam,atsamd51 sam,atsame5x
//go:build stm32 || (sam && atsamd51) || (sam && atsame5x)
// +build stm32 sam,atsamd51 sam,atsame5x
package rand
src/machine/machine_stm32_rng.go
+2 -2
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@@ -1,5 +1,5 @@
//go:build stm32f4 || stm32f7 || stm32l4 || stm32wlx
// +build stm32f4 stm32f7 stm32l4 stm32wlx
//go:build stm32 && !(stm32f103 || stm32l0x1)
// +build stm32,!stm32f103,!stm32l0x1
package machine
src/machine/machine_stm32l0x2.go
+6
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@@ -1,3 +1,4 @@
//go:build stm32l0x2
// +build stm32l0x2
package machine
@@ -252,3 +253,8 @@ const (
ARR_MAX = 0x10000
PSC_MAX = 0x10000
)
func initRNG() {
stm32.RCC.AHBENR.SetBits(stm32.RCC_AHBENR_RNGEN)
stm32.RNG.CR.SetBits(stm32.RNG_CR_RNGEN)
}
src/machine/machine_stm32l5.go
+10
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@@ -1,3 +1,4 @@
//go:build stm32l5
// +build stm32l5
package machine
@@ -546,3 +547,12 @@ const (
ARR_MAX = 0x10000
PSC_MAX = 0x10000
)
func initRNG() {
stm32.RCC.CRRCR.SetBits(stm32.RCC_CRRCR_HSI48ON)
for !stm32.RCC.CRRCR.HasBits(stm32.RCC_CRRCR_HSI48RDY) {
}
stm32.RCC.AHB2ENR.SetBits(stm32.RCC_AHB2ENR_RNGEN)
stm32.RNG.CR.SetBits(stm32.RNG_CR_RNGEN)
}