From fb2c0d18dbe709b895fe8842e2f29834ff7fab9e Mon Sep 17 00:00:00 2001
From: Rod Whitby <rod@whitby.id.au>
Date: Fri, 10 Aug 2007 12:54:47 +0000
Subject: [PATCH] slugimage: Added support for 16MiB flash chips

SVN-Revision: 8387
---
 scripts/slugimage.pl | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/scripts/slugimage.pl b/scripts/slugimage.pl
index da98c999e6..3d2735d0f1 100755
--- a/scripts/slugimage.pl
+++ b/scripts/slugimage.pl
@@ -391,10 +391,9 @@ sub readInFirmware {
     my($filename, $partitions_ref) = @_;
 
     my($firmware_buf);
-    my($total_length)   = 0x800000;
 
     open FILE,$filename or die "Can't find firmware image \"$filename\": $!\n";
-    read FILE,$firmware_buf,$total_length or die "Can't read $total_length bytes from \"$filename\": $!\n";
+    read FILE,$firmware_buf,$flash_len or die "Can't read $flash_len bytes from \"$filename\": $!\n";
     close FILE or die "Can't close \"$filename\": $!\n";
 
     $debug and printf("Read 0x%08X bytes from \"%s\"\n", length($firmware_buf), $filename);
@@ -930,7 +929,7 @@ sub defaultPartitions {
 
 # Main routine starts here ...
 
-my($unpack, $pack, $little, $input, $output, $redboot);
+my($unpack, $pack, $little, $fatflash, $input, $output, $redboot);
 my($kernel, $sysconf, $ramdisk, $fisdir);
 my($microcode, $trailer, $ethaddr, $loader);
 
@@ -946,6 +945,7 @@ if (!GetOptions("d|debug"       => \$debug,
 		"u|unpack"      => \$unpack,
 		"p|pack"        => \$pack,
 		"l|little"      => \$little,
+		"F|fatflash"    => \$fatflash,
 		"i|input=s"     => \$input,
 		"o|output=s"    => \$output,
 		"b|redboot=s"   => \$redboot,
@@ -965,6 +965,7 @@ if (!GetOptions("d|debug"       => \$debug,
     print "  [-u|--unpack]			Unpack a firmware image\n";
     print "  [-p|--pack]			Pack a firmware image\n";
     print "  [-l|--little]			Convert Kernel and Ramdisk to little-endian\n";
+    print "  [-F|--fatflash]			Generate an image for 16MB flash\n";
     print "  [-i|--input]     <file>		Input firmware image filename\n";
     print "  [-o|--output]    <file>		Output firmware image filename\n";
     print "  [-b|--redboot]   <file>		Input/Output RedBoot filename\n";
@@ -1047,6 +1048,18 @@ if (defined $little)  {
     } @partitions;
 }
 
+if (defined $fatflash)  {
+    $flash_len = 0x01000000;
+    map {
+	if (($_->{'name'} eq 'FIS directory') or
+	    ($_->{'name'} eq 'Loader config') or
+	    ($_->{'name'} eq 'Microcode') or
+	    ($_->{'name'} eq 'Trailer')) {
+	    $_->{'offset'} += 0x00800000;
+	}
+    } @partitions;
+}
+
 if (defined $ethaddr) {
     map {
 	if ($_->{'name'} eq 'EthAddr') {