Add OLED example

scripts/ps7_init.tcl

@@ -33,10 +33,11 @@ proc ps7_clock_init_data_3_0 {} {
     mask_write 0XF800014C 0x00003F31 0x00000501
     mask_write 0XF8000150 0x00003F33 0x00001401
     mask_write 0XF8000154 0x00003F33 0x00000A03
+    mask_write 0XF8000158 0x00003F33 0x00000601
     mask_write 0XF8000168 0x00003F31 0x00000501
     mask_write 0XF8000170 0x03F03F30 0x00200500
     mask_write 0XF80001C4 0x00000001 0x00000001
-    mask_write 0XF800012C 0x01FFCCCD 0x01FC044D
+    mask_write 0XF800012C 0x01FFCCCD 0x01FC444D
     mwr -force 0XF8000004 0x0000767B
 }
 proc ps7_ddr_init_data_3_0 {} {
@@ -268,10 +269,11 @@ proc ps7_clock_init_data_2_0 {} {
     mask_write 0XF800014C 0x00003F31 0x00000501
     mask_write 0XF8000150 0x00003F33 0x00001401
     mask_write 0XF8000154 0x00003F33 0x00000A03
+    mask_write 0XF8000158 0x00003F33 0x00000601
     mask_write 0XF8000168 0x00003F31 0x00000501
     mask_write 0XF8000170 0x03F03F30 0x00200500
     mask_write 0XF80001C4 0x00000001 0x00000001
-    mask_write 0XF800012C 0x01FFCCCD 0x01FC044D
+    mask_write 0XF800012C 0x01FFCCCD 0x01FC444D
     mwr -force 0XF8000004 0x0000767B
 }
 proc ps7_ddr_init_data_2_0 {} {
@@ -504,10 +506,11 @@ proc ps7_clock_init_data_1_0 {} {
     mask_write 0XF800014C 0x00003F31 0x00000501
     mask_write 0XF8000150 0x00003F33 0x00001401
     mask_write 0XF8000154 0x00003F33 0x00000A03
+    mask_write 0XF8000158 0x00003F33 0x00000601
     mask_write 0XF8000168 0x00003F31 0x00000501
     mask_write 0XF8000170 0x03F03F30 0x00200500
     mask_write 0XF80001C4 0x00000001 0x00000001
-    mask_write 0XF800012C 0x01FFCCCD 0x01FC044D
+    mask_write 0XF800012C 0x01FFCCCD 0x01FC444D
     mwr -force 0XF8000004 0x0000767B
 }
 proc ps7_ddr_init_data_1_0 {} {

scripts/xsct-flasher.tcl

@@ -13,13 +13,15 @@ set bitstream ""
 proc usage {} {
   puts "Usage: xsct xsct-helper.tcl <init.tcl> \[-a|--app app.elf\] \[-b|--bit design.bit]"
   puts "Options:"
-  puts "  -a, --app    Path to application ELF to download"
-  puts "  -b, --bit    Path to FPGA bitstream (.bit) to program"
-  puts "  -h, --help   Show this help"
+  puts "  -a, --app         Path to application ELF to download"
+  puts "  -b, --bit         Path to FPGA bitstream (.bit) to program"
+  puts "  -s, --skip-reset  Skip reset"
+  puts "  -h, --help        Show this help"
 }
 
 # Compact, robust parser
 set expecting ""
+set skip_reset 0
 set endopts 0
 foreach arg $argv {
   # If previous option expects a value, take this arg
@@ -34,6 +36,7 @@ foreach arg $argv {
     if {$arg eq "--"} { set endopts 1; continue }
     if {$arg eq "-h" || $arg eq "--help"} { usage; exit 0 }
     if {$arg eq "-a" || $arg eq "--app"} { set expecting app; continue }
+    if {$arg eq "-s" || $arg eq "--skip-reset"} { set skip_reset 1; continue }
     if {$arg eq "-b" || $arg eq "--bit"} { set expecting bitstream; continue }
     puts "error: unknown option: $arg"; usage; exit 1
   }
@@ -100,10 +103,11 @@ target $apu_device_num
 # Resetting the target involved problems when an image is stored on the flash.
 # It has turned out that it is not essential to reset the system before loading
 # the software components into the device.
-puts "Reset target"
-# TODO: Make the reset optional/configurable via input argument.
-# Reset the target
-rst
+if {!$skip_reset} {
+  puts "Reset target"
+  # Reset the target
+  rst
+}
 
 # Check if bitstream is set and the file exists before programming FPGA
 if {$bitstream eq ""} {

scripts/zynq7000-init.py

@@ -40,6 +40,12 @@ def main():
         action="store_true",
         help="No bitstream flashing for initialization with SDT.",
     )
+    parser.add_argument(
+        "-s",
+        "--skip-reset",
+        action="store_true",
+        help="Skip device reset",
+    )
     parser.add_argument("-a", "--app", dest="app", help="Path to the app to program")
     default_ip = os.getenv("HW_SERVER_IP")
     if not default_ip:
@@ -141,6 +147,8 @@ def main():
     if args.app:
         cmd_list.append("--app")
         cmd_list.append(args.app)
+    if args.skip_reset:
+        cmd_list.append("-s")
 
     # Join safely for shell execution
     xsct_cmd = shlex.join(cmd_list)