orbtrace: Add initial support.orbtrace

2 files changed, 39 insertions, 0 deletions

diff --git a/orbtrace/SConscript b/orbtrace/SConscript
new file mode 100644
index 0000000..b108d18
--- /dev/null
+++ b/orbtrace/SConscript
@@ -0,0 +1,21 @@
+Import('env')
+
+headers = set()
+instances = []
+sources = []
+aliases = {}
+
+periph = env['PLATFORM_SPEC'].get('periph', {})
+
+if 'orbtrace_dbgif' in periph:
+    headers.add('orbtrace_dbgif.h')
+    for name, data in periph['orbtrace_dbgif'].items():
+        instances.append({
+            'type': 'Orbtrace_DBGIF_t',
+            'name': name,
+            'args': [data['offset']],
+        })
+
+env.Jinja2('orbtrace.h', '../templates/periph_instances.h.j2', headers = headers, instances = instances, aliases = aliases)
+
+Return('sources')
diff --git a/orbtrace/orbtrace_dbgif.h b/orbtrace/orbtrace_dbgif.h
new file mode 100644
index 0000000..c5f0b46
--- /dev/null
+++ b/orbtrace/orbtrace_dbgif.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <stdint.h>
+#include <mmio/mmio.h>
+
+struct Orbtrace_DBGIF_reg_t {
+	volatile uint32_t CMD;
+	volatile uint32_t STATUS;
+	volatile uint32_t DWRITE;
+	volatile uint32_t DREAD;
+	volatile uint32_t PINS_OUT;
+	volatile uint32_t PINS_IN;
+};
+
+class Orbtrace_DBGIF_t : public mmio_ptr<Orbtrace_DBGIF_reg_t> {
+	public:
+		using mmio_ptr<Orbtrace_DBGIF_reg_t>::ptr;
+};