From 9052aac1b3f6a0ce4e70409956bd2e773b2b26af Mon Sep 17 00:00:00 2001
From: Steins7 <steinsset@gmail.com>
Date: Sat, 13 May 2023 15:42:11 +0200
Subject: [PATCH] Create afio's register map

---
 drivers/afio_regs.h | 125 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 drivers/afio_regs.h

diff --git a/drivers/afio_regs.h b/drivers/afio_regs.h
new file mode 100644
index 0000000..55bdde0
--- /dev/null
+++ b/drivers/afio_regs.h
@@ -0,0 +1,125 @@
+/** @file afio_regs.h
+ * Module defining the AFIO registers.
+ *
+ * Mainly made to be used by the afio module. It is recommanded to go through
+ * the functions provided by that module instead of directly using the registers
+ * defined here.
+ */
+
+#ifndef _IO_REGS_H_
+#define _IO_REGS_H_
+
+//--includes--------------------------------------------------------------------
+
+#include "stdint.h"
+
+
+//--type definitions------------------------------------------------------------
+
+#define AFIO_BASE_ADDRESS 0x40010000
+
+union EVCR {
+	struct __attribute__((packed)) {
+		uint32_t PIN:4;
+		uint32_t PORT:3;
+		uint32_t EVOE:1;
+		uint32_t reserved1:24;
+	};
+	uint32_t word;
+};
+
+union MAPR {
+	struct __attribute__((packed)) {
+		uint32_t SPI1_REMAP:1;
+		uint32_t I2C1_REMAP:1;
+		uint32_t USART1_REMAP:1;
+		uint32_t USART2_REMAP:1;
+		uint32_t USART3_REMAP:2;
+		uint32_t TIM1_REMAP:2;
+		uint32_t TIM2_REMAP:2;
+		uint32_t TIM3_REMAP:2;
+		uint32_t TIM4_REMAP:1;
+		uint32_t CAN_REMAP:2;
+		uint32_t PD01_REMAP:1;
+		uint32_t TIM5CH4_REMAP:1;
+		uint32_t ADC1_ETRGINJ_REMAP:1;
+		uint32_t ADC1_ETRGREG_REMAP:1;
+		uint32_t ADC2_ETRGINJ_REMAP:1;
+		uint32_t ADC2_ETRGREG_REMAP:1;
+		uint32_t reserved1:3;
+		uint32_t SWJ_CFG:3;
+		uint32_t reserved2:5;
+	};
+	uint32_t word;
+};
+
+union EXTICR1 {
+	struct __attribute__((packed)) {
+		uint32_t EXTI0:4;
+		uint32_t EXTI1:4;
+		uint32_t EXTI2:4;
+		uint32_t EXTI3:4;
+		uint32_t reserved1:16;
+	};
+	uint32_t word;
+};
+
+union EXTICR2 {
+	struct __attribute__((packed)) {
+		uint32_t EXTI4:4;
+		uint32_t EXTI5:4;
+		uint32_t EXTI6:4;
+		uint32_t EXTI7:4;
+		uint32_t reserved1:16;
+	};
+	uint32_t word;
+};
+
+union EXTICR3 {
+	struct __attribute__((packed)) {
+		uint32_t EXTI8:4;
+		uint32_t EXTI9:4;
+		uint32_t EXTI10:4;
+		uint32_t EXTI11:4;
+		uint32_t reserved1:16;
+	};
+	uint32_t word;
+};
+
+union EXTICR4 {
+	struct __attribute__((packed)) {
+		uint32_t EXTI12:4;
+		uint32_t EXTI13:4;
+		uint32_t EXTI14:4;
+		uint32_t EXTI15:4;
+		uint32_t reserved1:16;
+	};
+	uint32_t word;
+};
+
+union MAPR2 {
+	struct __attribute__((packed)) {
+		uint32_t reserved1:5;
+		uint32_t TIM9_REMAP:1;
+		uint32_t TIM10_REMAP:1;
+		uint32_t TIM11_REMAP:1;
+		uint32_t TIM13_REMAP:1;
+		uint32_t TIM14_REMAP:1;
+		uint32_t FSMC_NADV:1;
+		uint32_t reserved2:21;
+	};
+	uint32_t word;
+};
+
+struct __attribute__((packed)) AFIO {
+	union EVCR EVCR;
+	union MAPR MAPR;
+	union EXTICR1 EXTICR1;
+	union EXTICR2 EXTICR2;
+	union EXTICR3 EXTICR3;
+	union EXTICR4 EXTICR4;
+	union MAPR2 MAPR2;
+};
+
+#endif //_AFIO_REGS_H_
+