From 446eb86b3c51095a9e13f0d7a633bcc819b156cc Mon Sep 17 00:00:00 2001
From: Karl Palsson <karlp@tweak.net.au>
Date: Thu, 6 Jan 2022 23:33:46 +0000
Subject: 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>
---
 exti/SConscript   | 21 +++++++++++++++++++++
 exti/stm32_exti.h | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 exti/SConscript
 create mode 100644 exti/stm32_exti.h

(limited to 'exti')

diff --git a/exti/SConscript b/exti/SConscript
new file mode 100644
index 0000000..b620818
--- /dev/null
+++ b/exti/SConscript
@@ -0,0 +1,21 @@
+Import('env')
+
+headers = []
+instances = []
+sources = []
+aliases = {}
+
+periph = env['PLATFORM_SPEC'].get('periph', {})
+
+if 'stm32_exti' in periph:
+    headers.append('stm32_exti.h')
+    for name, data in periph['stm32_exti'].items():
+        instances.append({
+            'type': 'STM32_EXTI_t<STM32_EXTI_reg_%s_t>' % data['type'],
+            'name': name,
+            'args': [data['offset']],
+        })
+
+env.Jinja2('exti.h', '../templates/periph_instances.h.j2', headers = headers, instances = instances, aliases = aliases)
+
+Return('sources')
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;
+};
-- 
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