Driver unit tests

Add driver unit tests that runs simple command streams directly
on top of the NPU driver.

Change-Id: I3fcce2a2bfbd458d14186b8fd13ba47174f49562

1 files changed, 29 insertions, 26 deletions

diff --git a/targets/corstone-300/platform.ld b/targets/corstone-300/platform.ld
index a1cdb0e..091a117 100644
--- a/targets/corstone-300/platform.ld
+++ b/targets/corstone-300/platform.ld
@@ -57,6 +57,15 @@ __STACK_SIZE = 0x00008000;
 __HEAP_SIZE  = 0x00008000;
 
 /*--------------------- Embedded RAM Configuration ----------------------------
+  <h> BRAM Configuration
+    <o0> BRAM Base Address    <0x0-0xFFFFFFFF:8>
+    <o1> BRAM Size (in Bytes) <0x0-0xFFFFFFFF:8>
+  </h>
+ -----------------------------------------------------------------------------*/
+__BRAM_BASE = 0x11000000;
+__BRAM_SIZE = 0x00200000;
+
+/*--------------------- Embedded RAM Configuration ----------------------------
   <h> DDR Configuration
     <o0> DDR Base Address    <0x0-0xFFFFFFFF:8>
     <o1> DDR Size (in Bytes) <0x0-0xFFFFFFFF:8>
@@ -74,6 +83,7 @@ MEMORY
   ITCM  (rx)  : ORIGIN = __ROM_BASE, LENGTH = __ROM_SIZE
   DTCM  (rwx) : ORIGIN = __RAM_BASE, LENGTH = __RAM_SIZE
   SRAM  (rwx) : ORIGIN = __SRAM_BASE, LENGTH = __SRAM_SIZE
+  BRAM  (rwx) : ORIGIN = __BRAM_BASE, LENGTH = __BRAM_SIZE
   DDR   (rwx) : ORIGIN = __DDR_BASE, LENGTH = __DDR_SIZE
 }
 
@@ -141,7 +151,7 @@ SECTIONS
   /*
    * SG veneers:
    * All SG veneers are placed in the special output section .gnu.sgstubs. Its start address
-   * must be set, either with the command line option �--section-start� or in a linker script,
+   * must be set, either with the command line option '--section-start' or in a linker script,
    * to indicate where to place these veneers in memory.
    */
 /*
@@ -169,6 +179,7 @@ SECTIONS
     LONG (__etext)
     LONG (__data_start__)
     LONG (__data_end__ - __data_start__)
+
     /* Add each additional data section here */
     __copy_table_end__ = .;
   } > ITCM
@@ -212,7 +223,6 @@ SECTIONS
     KEEP(*(.init_array))
     PROVIDE_HIDDEN (__init_array_end = .);
 
-
     . = ALIGN(4);
     /* finit data */
     PROVIDE_HIDDEN (__fini_array_start = .);
@@ -249,28 +259,34 @@ SECTIONS
   } > RAM2
 */
 
-#ifndef ETHOSU_FAST_MEMORY_SIZE
-  .sram :
-  {
-    . = ALIGN(16);
-    *(.bss.tensor_arena)
-    . = ALIGN(16);
-  } > SRAM AT > SRAM
-#else
   .sram :
   {
     . = ALIGN(16);
+#ifdef ETHOSU_FAST_MEMORY_SIZE
     *(.bss.ethosu_scratch);
+#else
+    *(.bss.tensor_arena)
+#endif
+
     . = ALIGN(16);
-  } > SRAM AT > SRAM
+    *(.sram.data)
+  } > BRAM AT > BRAM
 
-  .bss.tensor_arena :
+  .ddr :
   {
     . = ALIGN(16);
+#ifdef ETHOSU_FAST_MEMORY_SIZE
     *(.bss.tensor_arena)
+#endif
     . = ALIGN(16);
+    *(input_data_sec)
+
+    . = ALIGN(16);
+    *(network_model_sec)
+
+    . = ALIGN (16);
+    *(expected_output_data_sec)
   } > DDR AT > DDR
-#endif
 
   .bss :
   {
@@ -283,7 +299,6 @@ SECTIONS
     __bss_end__ = .;
   } > DTCM AT > DTCM
 
-
   /*
    * Secondary bss section, optional
    *
@@ -303,18 +318,6 @@ SECTIONS
   } > RAM2 AT > RAM2
 */
 
-  .ddr :
-  {
-    /* __attribute__((aligned(16))) is not handled by the cmsis startup code.
-     * Force the alignement here as a workaround */
-    . = ALIGN(4);
-    *(input_data_sec)
-    . = ALIGN(16);
-    *(network_model_sec)
-    *(expected_output_data_sec)
-    . = ALIGN (16);
-  } > DDR
-
   .heap (COPY) :
   {
     . = ALIGN(8);