From 61f4d2dc0e672f2c26bc964a27789cfd4fb81b88 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Thu, 21 Jul 2022 12:49:26 +0200
Subject: tc1796 is a proper arch now

---
 include/arch/tc1796-triboard/driver/counter.h | 41 +++++++++++++++++++++
 include/arch/tc1796-triboard/driver/gpio.h    | 53 +++++++++++++++++++++++++++
 include/arch/tc1796-triboard/driver/stdout.h  | 24 ++++++++++++
 include/arch/tc1796-triboard/driver/uptime.h  | 32 ++++++++++++++++
 4 files changed, 150 insertions(+)
 create mode 100644 include/arch/tc1796-triboard/driver/counter.h
 create mode 100644 include/arch/tc1796-triboard/driver/gpio.h
 create mode 100644 include/arch/tc1796-triboard/driver/stdout.h
 create mode 100644 include/arch/tc1796-triboard/driver/uptime.h

(limited to 'include/arch/tc1796-triboard')

diff --git a/include/arch/tc1796-triboard/driver/counter.h b/include/arch/tc1796-triboard/driver/counter.h
new file mode 100644
index 0000000..38d039e
--- /dev/null
+++ b/include/arch/tc1796-triboard/driver/counter.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2022 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef COUNTER_H
+#define COUNTER_H
+
+#define STM_TIM0 (*(volatile unsigned int*)0xf0000210)
+#define STM_CAP (*(volatile unsigned int*)0xf000022c)
+
+typedef unsigned int counter_value_t;
+typedef unsigned int counter_overflow_t;
+
+class Counter {
+	private:
+		Counter(const Counter &copy);
+		unsigned long long startvalue, stopvalue;
+
+	public:
+		counter_value_t value;
+		counter_overflow_t overflow;
+
+		Counter() : overflow(0) {}
+
+		inline void start() {
+			startvalue = STM_TIM0;
+			startvalue += (unsigned long long)STM_CAP << 32;
+		}
+
+		inline void stop() {
+			stopvalue = STM_TIM0;
+			stopvalue += (unsigned long long)STM_CAP << 32;
+			value = (stopvalue - startvalue) & 0xffffffff;
+			overflow = (unsigned long long)(stopvalue - startvalue) >> 32;
+		}
+};
+
+extern Counter counter;
+
+#endif
diff --git a/include/arch/tc1796-triboard/driver/gpio.h b/include/arch/tc1796-triboard/driver/gpio.h
new file mode 100644
index 0000000..9ac43dd
--- /dev/null
+++ b/include/arch/tc1796-triboard/driver/gpio.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2022 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef GPIO_H
+#define GPIO_H
+
+class GPIO {
+	private:
+		GPIO(const GPIO &copy);
+
+	public:
+		GPIO () {}
+
+		enum Pin : unsigned char {
+			PIN_INVALID
+		};
+
+		inline void setup() {
+			*((int*)0xf0000f10) = 0x80808080;
+			*((int*)0xf0000f14) = 0x80808080;
+			*((int*)0xf0000f00) = 0x000000ff;
+		}
+		inline void led_on(unsigned char id = 0) {
+			*((int*)0xf0000f00) &= ~(1 << id);
+		}
+		inline void led_off(unsigned char id = 0) {
+			*((int*)0xf0000f00) |= (1 << id);
+		}
+		inline void led_toggle(unsigned char id = 0) {
+			*((int*)0xf0000f00) ^= (1 << id);
+		}
+		inline void input(unsigned char const pin) {
+		}
+		inline void input(unsigned char const pin, unsigned char const pull) {
+		}
+		inline void output(unsigned char const pin) {
+		}
+		inline void output(unsigned char const pin, unsigned char const value) {
+		}
+		inline unsigned char read(unsigned char const pin) {
+			return 0;
+		}
+		inline void write(unsigned char const pin, unsigned char value) {
+		}
+		inline void write_mask(unsigned char const pin_base, unsigned char set_mask, unsigned char clear_mask) {
+		}
+};
+
+extern GPIO gpio;
+
+#endif
diff --git a/include/arch/tc1796-triboard/driver/stdout.h b/include/arch/tc1796-triboard/driver/stdout.h
new file mode 100644
index 0000000..b701dc1
--- /dev/null
+++ b/include/arch/tc1796-triboard/driver/stdout.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef STANDARDOUTPUT_H
+#define STANDARDOUTPUT_H
+
+#include "object/outputstream.h"
+
+class StandardOutput : public OutputStream {
+	private:
+		StandardOutput(const StandardOutput &copy);
+
+	public:
+		StandardOutput () {}
+		void setup();
+
+		virtual void put(char c) override;
+};
+
+extern StandardOutput kout;
+
+#endif
diff --git a/include/arch/tc1796-triboard/driver/uptime.h b/include/arch/tc1796-triboard/driver/uptime.h
new file mode 100644
index 0000000..6f52f8f
--- /dev/null
+++ b/include/arch/tc1796-triboard/driver/uptime.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2022 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef UPTIME_H
+#define UPTIME_H
+
+class Uptime {
+	private:
+		Uptime(const Uptime &copy);
+#ifdef TIMER_S
+		uint16_t seconds;
+#endif
+
+	public:
+#ifdef TIMER_S
+		Uptime () : seconds(0) {}
+#else
+		Uptime () {}
+#endif
+		inline uint16_t get_us() { return 0; }
+		inline uint16_t get_cycles() { return 0; }
+#ifdef TIMER_S
+		inline uint16_t get_s() { return seconds; }
+		inline void tick_s() { seconds++; }
+#endif
+};
+
+extern Uptime uptime;
+
+#endif
-- 
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