stm32wb: exti: initial registers

Basic registers to start with, a lot of commonality, but extra registers
on the WB.

Signed-off-by <karlp@tweak.net.au>

1 files changed, 33 insertions, 0 deletions

diff --git a/exti/stm32_exti.h b/exti/stm32_exti.h
new file mode 100644
index 0000000..525a483
--- /dev/null
+++ b/exti/stm32_exti.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <mmio/mmio.h>
+
+struct STM32_EXTI_reg_wb_t {
+	volatile uint32_t RTSR1;
+	volatile uint32_t FTSR1;
+	volatile uint32_t SWIER1;
+	volatile uint32_t PR1;
+	uint32_t _reserved1[4];
+	volatile uint32_t RTSR2;
+	volatile uint32_t FTSR2;
+	volatile uint32_t SWIER2;
+	volatile uint32_t PR2;
+	uint32_t _reserved2[20];
+	volatile uint32_t IMR1;
+	volatile uint32_t EMR1;
+	uint32_t _reserved3[2];
+	volatile uint32_t IMR2;
+	volatile uint32_t EMR2;
+	uint32_t _reserved4[10];
+	volatile uint32_t C2IMR1;
+	volatile uint32_t C2EMR1;
+	uint32_t _reserved5[2];
+	volatile uint32_t C2IMR2;
+	volatile uint32_t C2EMR2;
+};
+
+template <typename T>
+class STM32_EXTI_t : public mmio_ptr<T> {
+    public:
+        using mmio_ptr<T>::ptr;
+};