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-rw-r--r--.gitignore1
-rw-r--r--SConscript1
-rw-r--r--orbtrace/SConscript21
-rw-r--r--orbtrace/orbtrace_dbgif.h18
-rw-r--r--platforms/index.yaml5
-rw-r--r--platforms/orbtrace.yaml42
6 files changed, 88 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index 8ece78f..ae15383 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ interrupt/interrupt.h
interrupt/interrupt_enums.h
interrupt/default_handlers.cpp
interrupt/vectors_*.cpp
+orbtrace/orbtrace.h
pwr/pwr.h
rcc/flash.h
rcc/rcc.h
diff --git a/SConscript b/SConscript
index 1378e7d..c837058 100644
--- a/SConscript
+++ b/SConscript
@@ -22,6 +22,7 @@ env.Append(
env.SConscript('usb/SConscript'),
env.SConscript('display/SConscript'),
env.SConscript('wpan/SConscript'),
+ env.SConscript('orbtrace/SConscript'),
env.SConscript('startup/SConscript'),
Glob('os/*.cpp'),
],
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;
+};
diff --git a/platforms/index.yaml b/platforms/index.yaml
index 15a83e6..2018e00 100644
--- a/platforms/index.yaml
+++ b/platforms/index.yaml
@@ -9,6 +9,11 @@
-: !import gd32v.yaml
- match:
+ mcu: orbtrace
+
+ -: !import orbtrace.yaml
+
+- match:
cpu: !re cortex-m
-: !import cortex-m.yaml
diff --git a/platforms/orbtrace.yaml b/platforms/orbtrace.yaml
new file mode 100644
index 0000000..47ba74c
--- /dev/null
+++ b/platforms/orbtrace.yaml
@@ -0,0 +1,42 @@
+- match:
+ mcu: !re orbtrace
+
+ mem:
+ flash:
+ origin: 0x20000000
+ size: 1M
+ #origin: 0x08400000
+ #size: 4M
+
+ ram:
+ origin: 0x20100000
+ size: 7M
+ #origin: 0x20000000
+ #size: 8M
+
+ periph:
+ litex_timer:
+ TIMER0:
+ offset: 0xf0002800
+
+ litex_uart:
+ UART:
+ offset: 0xf0003000
+
+ orbtrace_dbgif:
+ DBGIF:
+ offset: 0xf0004000
+
+ litex_wishbone_dma_writer:
+ CMSIS_DAP_OUT:
+ offset: 0xf0006000
+
+ litex_wishbone_dma_reader:
+ CMSIS_DAP_IN:
+ offset: 0xf0006800
+
+ interrupt:
+ irq: {}
+
+ meta:
+ cpu: rv32im