Moved configuration constants to the entropy module

Author: theonlytruealex

chips/stm32u545/src/lib.rs

@@ -4,17 +4,16 @@
 
 #![no_std]
 
+use stm32u5xx::entropy::{RNG_CR_CONFIG_U545, RNG_HTCR_CONFIG_U545, RNG_NSCR_CONFIG_U545};
 pub use stm32u5xx::{chip, dma, entropy, exti, gpio, rcc, tim, usart};
 
 use cortexm33::{CortexM33, CortexMVariant};
 // specified in the documentation (NIST compliant RNG configuration table in AN4230 available from www.st.com.)
 // that values for the CR, HTCR and NSCR should be 0x00F11F00, 0x76B3 and 0x24C2 respectivly. CR config
 // is that value, 0x00F11F00, plus the CONDRST bit
-pub const RNG_CR_CONFIG: u32 = 0x40F11F00;
-pub const RNG_HTCR_CONFIG: u32 = 0x76B3;
-pub const RNG_NSCR_CONFIG: u32 = 0x24C2;
 
-pub type Trng<'a> = stm32u5xx::entropy::Trng<'a, RNG_CR_CONFIG, RNG_HTCR_CONFIG, RNG_NSCR_CONFIG>;
+pub type Trng<'a> =
+    stm32u5xx::entropy::Trng<'a, RNG_CR_CONFIG_U545, RNG_HTCR_CONFIG_U545, RNG_NSCR_CONFIG_U545>;
 
 #[cfg_attr(all(target_arch = "arm", target_os = "none"), used)]
 #[cfg_attr(all(target_arch = "arm", target_os = "none"), link_section = ".irqs")]

chips/stm32u5xx/src/entropy.rs

@@ -11,6 +11,10 @@ use kernel::utilities::registers::interfaces::{ReadWriteable, Readable, Writeabl
 use kernel::utilities::registers::{register_bitfields, register_structs, ReadOnly, ReadWrite};
 use kernel::utilities::StaticRef;
 
+pub const RNG_CR_CONFIG_U545: u32 = 0x40F11F00;
+pub const RNG_HTCR_CONFIG_U545: u32 = 0x76B3;
+pub const RNG_NSCR_CONFIG_U545: u32 = 0x24C2;
+
 register_structs! {
     /// Random number generator
     pub RngRegisters {