src: Rename source folders for atsam and atsamd architectures

Signed-off-by: Florian Heilmann <Florian.Heilmann@gmx.net>

src/atsam/internal.h

@@ -0,0 +1,24 @@
+#ifndef __SAM3_INTERNAL_H
+#define __SAM3_INTERNAL_H
+// Local definitions for sam3/sam4 code
+
+#include <stdint.h> // uint32_t
+#include "autoconf.h" // CONFIG_MACH_SAM3X8E
+
+#if CONFIG_MACH_SAM3X8E
+#include "sam3x8e.h"
+#elif CONFIG_MACH_SAM4S8C
+#include "sam4s.h"
+#elif CONFIG_MACH_SAM4E8E
+#include "sam4e.h"
+#endif
+
+#define GPIO(PORT, NUM) (((PORT)-'A') * 32 + (NUM))
+#define GPIO2PORT(PIN) ((PIN) / 32)
+#define GPIO2BIT(PIN) (1<<((PIN) % 32))
+
+void gpio_peripheral(uint32_t gpio, char ptype, int32_t pull_up);
+int is_enabled_pclock(uint32_t id);
+void enable_pclock(uint32_t id);
+
+#endif // internal.h