Initial import of slof-JX-1.7.0-4

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/slof/fs/update_flash.fs b/slof/fs/update_flash.fs
new file mode 100644
index 0000000..495e15f
--- /dev/null
+++ b/slof/fs/update_flash.fs
@@ -0,0 +1,110 @@
+\ *****************************************************************************
+\ * Copyright (c) 2004, 2008 IBM Corporation
+\ * All rights reserved.
+\ * This program and the accompanying materials
+\ * are made available under the terms of the BSD License
+\ * which accompanies this distribution, and is available at
+\ * http://www.opensource.org/licenses/bsd-license.php
+\ *
+\ * Contributors:
+\ *     IBM Corporation - initial implementation
+\ ****************************************************************************/
+
+\ Set by update-flash -f to true, preventing update-flash -c
+false value flash-new
+
+: update-flash-help ( -- )
+   cr ." update-flash tool to flash host FW " cr
+   ."              -f <filename>      : Flash from file (e.g. net:\boot_rom.bin)" cr
+   ."              -l                 : Flash from load-base" cr
+   ."              -d                 : Flash from old load base (used by drone)" cr
+   ."              -c                 : Flash from temp to perm" cr
+   ."              -r                 : Flash from perm to temp" cr
+;
+
+: flash-read-temp ( -- success? )
+   get-flashside 1 = IF flash-addr load-base over flash-image-size rmove true
+   ELSE
+      false
+   THEN
+;
+
+: flash-read-perm ( -- success? )
+   get-flashside 0= IF
+      flash-addr load-base over flash-image-size rmove true
+   ELSE
+      false
+   THEN
+;
+
+: flash-switch-side ( side -- success? )
+   set-flashside 0<> IF
+      s" Cannot change flashside" type cr false
+   ELSE
+      true
+   THEN
+;
+
+: flash-ensure-temp ( -- success? )
+   get-flashside 0= IF
+      cr ." Cannot flash perm! Switching to temp side!"
+      1 flash-switch-side
+   ELSE
+      true
+   THEN
+;
+
+\ update-flash -f <filename>
+\              -l
+\              -c
+\              -r
+
+: update-flash ( "text" )
+   get-flashside >r                              \ Save old flashside
+   parse-word                      ( str len )   \ Parse first string
+   drop dup c@                     ( str first-char )
+   [char] - <> IF
+      update-flash-help r> 2drop EXIT
+   THEN
+
+   1+ c@                           ( second-char )
+   CASE
+      [char] f OF
+         parse-word cr s" do-load" evaluate
+         flash-ensure-temp TO flash-new
+      ENDOF
+      [char] l OF
+         flash-ensure-temp
+      ENDOF
+      [char] d OF
+         flash-load-base load-base 200000 move
+         flash-ensure-temp
+      ENDOF
+      [char] c OF
+         flash-read-temp 0= flash-new or IF
+            ." Cannot commit temp, need to boot on temp first " cr false
+         ELSE
+            0 flash-switch-side
+         THEN
+      ENDOF
+      [char] r OF
+         flash-read-perm 0= IF
+         ." Cannot commit perm, need to boot on perm first " cr false
+         ELSE
+         1 flash-switch-side
+         THEN
+      ENDOF
+      dup      OF
+         false
+      ENDOF
+   ENDCASE
+
+   ( true| false )
+
+   0= IF
+      update-flash-help r> drop EXIT
+   THEN
+
+   load-base flash-write 0= IF ." Flash write failed !! " cr THEN
+   r> set-flashside drop                           \ Restore old flashside
+;