Improved FSMC.

SRAM configuration is much more flexible now.

1 files changed, 88 insertions, 0 deletions

diff --git a/os/various/memtest.h b/os/various/memtest.h
new file mode 100644
index 0000000..721b36b
--- /dev/null
+++ b/os/various/memtest.h
@@ -0,0 +1,88 @@
+/*
+    ChibiOS/RT - Copyright (C) 2013-2014 Uladzimir Pylinsky aka barthess
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#ifndef MEMTEST_H_
+#define MEMTEST_H_
+
+#define MEMTEST_WALKING_ONE               (1 << 0)
+#define MEMTEST_WALKING_ZERO              (1 << 1)
+#define MEMTEST_OWN_ADDRESS               (1 << 2)
+#define MEMTEST_MOVING_INVERSION_ZERO     (1 << 3)
+#define MEMTEST_MOVING_INVERSION_55AA     (1 << 4)
+#define MEMTEST_MOVING_INVERSION_RAND     (1 << 5)
+
+#define MEMTEST_RUN_ALL                   (MEMTEST_WALKING_ONE              | \
+                                           MEMTEST_WALKING_ZERO             | \
+                                           MEMTEST_OWN_ADDRESS              | \
+                                           MEMTEST_MOVING_INVERSION_ZERO    | \
+                                           MEMTEST_MOVING_INVERSION_55AA    | \
+                                           MEMTEST_MOVING_INVERSION_RAND)
+
+typedef struct memtest_t memtest_t;
+typedef uint32_t testtype;
+
+/*
+ * Error call back.
+ */
+typedef void (*memtestecb_t)(memtest_t *testp, testtype type, size_t index,
+                           size_t current_width, uint32_t got, uint32_t expect);
+
+/*
+ *
+ */
+typedef enum {
+  MEMTEST_WIDTH_8,
+  MEMTEST_WIDTH_16,
+  MEMTEST_WIDTH_32,
+} memtest_bus_width_t;
+
+/*
+ *
+ */
+struct memtest_t {
+  /*
+   * Pointer to the test area start. Must be word aligned.
+   */
+  void                *start;
+  /*
+   * Test area size in bytes.
+   */
+  size_t              size;
+  /*
+   * Maximum width of transactions.
+   * Note: it implies all narrower tests.
+   * Note: width my be wider then your memory interface because AHB is
+   *       smart enough to split big transactions to smaller ones.
+   */
+  memtest_bus_width_t width;
+  /*
+   * Error callback pointer. Set to NULL if unused.
+   */
+  memtestecb_t        errcb;
+};
+
+/*
+ *
+ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void memtest_run(memtest_t *testp, uint32_t testmask);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MEMTEST_H_ */