diff options
Diffstat (limited to 'target/linux/etrax/image/boot_linux')
| -rwxr-xr-x | target/linux/etrax/image/boot_linux | 511 |
1 files changed, 0 insertions, 511 deletions
diff --git a/target/linux/etrax/image/boot_linux b/target/linux/etrax/image/boot_linux deleted file mode 100755 index f7da261e2..000000000 --- a/target/linux/etrax/image/boot_linux +++ /dev/null @@ -1,511 +0,0 @@ -#!/usr/bin/perl -w - -#***************************************************************************** -#! -#! FILE NAME : boot_linux -#! -#! PARAMETERS : -b <bootimage> the name of the boot image to use -#! -d <device> the interface to use, e.g., eth1 -#! (defaults is eth0) -#! -f save it in flash memory at address 0x10000 -#! -F save it in flash memory at address 0 -#! -h show some help -#! -i <image> name of the image to use (default is fimage) -#! -o <offset> the offset in the flash where the flashing -#! starts -#! -O <offset> the offset in the image file where the -#! flashing starts from -#! -p print the resulting etrax100boot command -#! instead of executing it -#! -s <size> how much to flash (default is the size of -#! the flash minus the offset specified using -#! -o or -f) -#! -S <size> the size of the flash -#! -#! All sizes and offsets above can be specified as decimal -#! numbers, or as hexadecimal numbers by prefixing them with 0x. -#! It is also possible to use the suffixes k and M to specify -#! kilo (1024) or mega (1048576). -#! -#! DESCRIPTION: Extract the start of the image and any registers that should -#! be set from the kimage or fimage file, and then boot it. -#! -#! FUNCTIONS : convert_size -#! extract_hw_settings -#! get_dword -#! calculate_sdram_init -#! sdram_command -#! print_help -#! -#!---------------------------------------------------------------------------- -#! HISTORY -#! -#! $Log: boot_linux,v $ -#! Revision 1.16 2004/11/01 16:32:27 starvik -#! Corrected help text to avoid confusion -#! -#! Revision 1.15 2003/01/29 11:48:57 pkj -#! Calculate a flash size large enough for the given image if the -#! -S option is not specified. -#! -#! Revision 1.14 2002/11/18 14:40:09 pkj -#! Make use of the --loop option to etrax100boot when initialising -#! SDRAM memories. This requires a lot fewer options to be passed -#! to the boot loader. -#! -#! Revision 1.13 2002/08/15 16:29:02 pkj -#! * The -S option now accepts the size in bytes (just like the -s option). -#! For backwards compatibility it still assumes sizes of 16 and less to -#! be specified in MB. -#! * The suffixes k and M can now be used with all sizes and offsets to -#! specify them in kilo or mega. -#! -#! Revision 1.12 2002/08/15 15:27:34 pkj -#! Use $opts{'x'} instead of $opt_x. -#! -#! Revision 1.11 2002/07/04 17:06:39 pkj -#! * No longer specifies a bootfile by default (not needed any longer). -#! * Implemented option -b to specify a bootfile. -#! * Removed references to option -l (it was never implemented). -#! -#! Revision 1.10 2002/06/04 11:50:23 starvik -#! Check if mrs_data is specified in kernelconfig (necessary for MCM) -#! -#! Revision 1.9 2002/01/29 10:38:26 pkj -#! Change illegal to invalid. -#! -#! Revision 1.8 2001/09/13 12:32:10 pkj -#! * Added option -S to specify the size of the flash (in MB), as -s -#! is used to specify how much to flash nowadays. -#! * Made the default size of the flash depend on the size of the image -#! file. If it is bigger than 0x200100 then the flash is assumed to -#! be 4 MB, otherwise it is assumed to be 2 MB. -#! * Added verification of various options. -#! -#! Revision 1.7 2001/09/13 10:25:11 pkj -#! Minor clean-up. -#! -#! Revision 1.6 2001/06/29 10:05:16 pkj -#! Corrected check for SDRAM. -#! -#! Revision 1.5 2001/06/29 09:11:55 pkj -#! Synchronised boot_elinux and boot_linux. -#! -#!---------------------------------------------------------------------------- -#! (C) Copyright 2001, Axis Communications AB, LUND, SWEDEN -#!**************************************************************************** - -#****************** INCLUDE FILES SECTION ************************************ - -use strict; - -use Getopt::Std; -use File::Basename; - -#****************** VARIABLE DECLARATION SECTION ***************************** - -use vars qw($my_name %opts); -use vars qw($text_start $cmd); -use vars qw($image_name $image_size); -use vars qw($offset $source_offset $flash_size $flashing_size); -use vars qw($sdram_timing_address $sdram_config_address); -use vars qw($sdram_precharge $sdram_nop $sdram_refresh $sdram_mrs); - -#****************** CONSTANT SECTION ***************************************** - -# Register addresses -$sdram_timing_address = "b0000008"; -$sdram_config_address = "b000000c"; - -# SDRAM commands -$sdram_precharge = 3; -$sdram_nop = 0; -$sdram_refresh = 2; -$sdram_mrs = 1; - -#****************** MAIN PROGRAM SECTION ************************************* - -# The name of this program. -$my_name = basename($0); - -# Get options -getopts('b:d:fFhi:o:O:ps:S:', \%opts); - -&print_help if ($opts{'h'}); - -# Name and existance of the image -$image_name = ($opts{'i'} ? $opts{'i'} : 'fimage'); -die "Could not find the image $image_name!\n" unless (-s $image_name); - -if ($opts{'f'} || $opts{'F'}) -{ - $image_size = -s $image_name; - - $offset = ($opts{'f'} ? 0x10000 : 0); - - $offset = &convert_size($opts{'o'}) if (defined($opts{'o'})); - - die("$my_name: Invalid destination offset\n") if ($offset !~ /^\d+$/); - - my $base_name = basename($image_name); - if ($base_name eq 'timage' || $base_name eq 'flash1.img') - { - $source_offset = 0; - } - else - { - $source_offset = $offset; - } - - $source_offset = &convert_size($opts{'O'}) if (defined($opts{'O'})); - - die("$my_name: Invalid source offset\n") if ($source_offset !~ /^\d+$/); - die("$my_name: Source offset > image size\n") if ($source_offset > $image_size); - - if (defined($opts{'S'})) - { - # Backwards compatibility to allow specifying the flash size in MB - # without using an M suffix - $opts{'S'} .= 'M' if ($opts{'S'} =~ /^\d+$/ && $opts{'S'} <= 16); - - $flash_size = &convert_size($opts{'S'}); - } - else - { - # Calculate a flash size large enough for the image without the checksum - # and HWID. - $flash_size = ($image_size - $source_offset + $offset) & 0xFFFF0000; - } - - die("$my_name: Invalid flash size\n") if ($flash_size !~ /^\d+$/); - die("$my_name: Destination offset > flash size\n") if ($offset > $flash_size); - if (defined($opts{'s'})) - { - $flashing_size = &convert_size($opts{'s'}); - } - else - { - $flashing_size = $flash_size - $offset; - } - - die("$my_name: Invalid size to flash\n") if ($flashing_size !~ /^\d+$/); - - if ($flashing_size > $flash_size - $offset) - { - $flashing_size = $flash_size - $offset; - printf("Warning: Flashing size limited to 0x%lx due to the offset (0x%lx) and flash size (0x%lx).\n", $flashing_size, $offset, $flash_size); - } - - if ($flashing_size > $image_size - $source_offset) - { - $flashing_size = $image_size - $source_offset; - printf("Warning: Flashing size limited to 0x%lx due to the offset (0x%lx) and image size (0x%lx).\n", $flashing_size, $source_offset, $image_size); - } -} - -# Create the command line to boot the image -if (system('./etrax100boot --help > /dev/null') == 0) -{ - $cmd = './etrax100boot'; -} -elsif (system('svinto_boot --help > /dev/null') == 0) -{ - $cmd = 'svinto_boot'; -} -else -{ - die("Cannot find e100boot program in your PATH!\n"); -} - -$cmd .= " --device $opts{'d'}" if ($opts{'d'}); - -$cmd .= &extract_hw_settings; - -$cmd .= " --bootfile $opts{'b'}" if ($opts{'b'}); -$cmd .= " --file $image_name $text_start"; - -if ($opts{'f'} || $opts{'F'}) -{ - $cmd .= sprintf(" --flash %lx %lx %lx --jump 0", - hex($text_start) + $source_offset, $offset, $flashing_size); -} -else -{ - $cmd .= " --jump $text_start"; -} - -if ($opts{'p'}) -{ - print "Command:\n$cmd\n"; -} -else -{ - system($cmd); -} - -exit 0; - -#****************** FUNCTION DEFINITION SECTION ****************************** - -#***************************************************************************** -## -## FUNCTION NAME: convert_size -## -##**************************************************************************** - -sub convert_size -{ - my($arg) = @_; - my $size; - - if ($arg =~ /^0x([\da-fA-F]+)([kM])?$/) - { - $size = hex($1); - } - elsif ($arg =~ /^(\d+)([kM])?$/) - { - $size = $1; - } - else - { - return -1; - } - - if (!defined($2)) - { - return $size; - } - elsif ($2 eq 'k') - { - return $size * 1024; - } - elsif ($2 eq 'M') - { - return $size * 1048576; - } -} - -#***************************************************************************** -## -## FUNCTION NAME: extract_hw_settings -## -##**************************************************************************** - -sub extract_hw_settings -{ - my $data; - my $dbg_port; - my $sdram_enabled; - my $return_value = ""; - my $sdram_config; - - # The hw information table has the following format - # - # "HW_PARAM_MAGIC" - # text_start (dword) - # serial debg port (dword) - # sdram enabled (dword) - # register address (dword) - # register value (dword) - # ... - # 0 - - open(FILE, "$image_name") || die("Could not open '$image_name'"); - - while (<FILE>) - { - if (m/HW_PARAM_MAGIC/g) - { - # Seek to first byte after magic - seek(FILE, -length($_) + pos($_), 1); - last; - } - } - - $text_start = &get_dword; - $dbg_port = &get_dword; - $sdram_enabled = int(&get_dword); - - while (1) - { - my $register = &get_dword; - my $value = &get_dword; - - last if ($register eq "00000000"); - - if ($sdram_enabled) - { - if ($register eq $sdram_config_address) - { - $sdram_config = $value; - } - elsif ($register eq $sdram_timing_address) - { - $return_value .= &calculate_sdram_init($value, $sdram_config); - next; - } - } - - $return_value .= " --setreg $register $value"; - } - - close(FILE); - - return $return_value; -} - -#***************************************************************************** -## -## FUNCTION NAME: get_dword -## -##**************************************************************************** - -sub get_dword -{ - my $data; - - read(FILE, $data, 4); - return unpack("H8", pack("V", unpack("N", $data))); -} - -#***************************************************************************** -## -## FUNCTION NAME: calculate_sdram_init -## -##**************************************************************************** - -sub calculate_sdram_init -{ - # Refer to ETRAX 100LX Designers Reference for a description of SDRAM - # initialization - my $sdram_init_val = hex($_[0]); - my $sdram_config_val = hex($_[1]); - my $bus_width = $sdram_config_val & 0x00800000; - my $speed; - my $cas_latency; - my $mrs_data; - my $temp; - my $return_value; - my $value; - - $mrs_data = ($sdram_init_val & 0x00ff0000) >> 16; - $sdram_init_val &= 0x8000ffff; # Make sure mrs data is 0 - $sdram_init_val |= 0x80000000; # Make sure sdram is enabled - $speed = $sdram_init_val & 0x1000; - $cas_latency = $sdram_init_val & 0x3; - if ($speed) # 100 MHz - { - $cas_latency += 2; - } - else # 50 MHz - { - $cas_latency += 1; - } - - # Calculate value of mrs_data - # CAS latency = 2 && bus_width = 32 => 0x40 - # CAS latency = 3 && bus_width = 32 => 0x60 - # CAS latency = 2 && bus_width = 16 => 0x20 - # CAS latency = 3 && bus_width = 16 => 0x30 - if ($mrs_data == 0) - { - if ($bus_width == 0) # 16 bits - { - $mrs_data = $cas_latency == 2 ? 0x20 : 0x30; - } - else # 32 bits - { - $mrs_data = $cas_latency == 2 ? 0x40 : 0x60; - } - } - - $temp = $sdram_init_val | 0x0000c000; # Disable refresh - $return_value .= &sdram_command($temp); - $return_value .= " --pause 20000"; - - $return_value .= &sdram_command($temp, $sdram_precharge); - $return_value .= &sdram_command($temp, $sdram_nop); - - $return_value .= " --setreg +0 7"; - $return_value .= " --label label1"; - $return_value .= &sdram_command($temp, $sdram_refresh); - $return_value .= &sdram_command($temp, $sdram_nop); - $return_value .= " --loop +0 label1"; - - $return_value .= &sdram_command($temp, $sdram_mrs, $mrs_data); - $return_value .= &sdram_command($temp, $sdram_nop); - - $return_value .= &sdram_command($sdram_init_val); - - return $return_value; -} - -#***************************************************************************** -## -## FUNCTION NAME: sdram_command -## -##**************************************************************************** - -sub sdram_command -{ - my($temp, $value, $mrs_data) = @_; - - $value ||= 0; - if ($value == $sdram_mrs) - { - $value = sprintf("%lx", $temp | ($value << 9) | ($mrs_data << 16)); - } - else - { - $value = sprintf("%lx", $temp | ($value << 9)); - } - - return " --setreg $sdram_timing_address $value"; -} - -#***************************************************************************** -## -## FUNCTION NAME: print_help -## -##**************************************************************************** - -sub print_help -{ - print "\nAXIS $my_name, ", '$Revision: 1.16 $ $Date: 2004/11/01 16:32:27 $ ', "\n"; - die <<EOT; -Copyright (C) 2001-2002 Axis Communications AB - -DESCRIPTION: - This program is used to boot (and flash) a linux image to a box. - It tries to extract the required ETRAX 100 settings from the image file. - -SYNTAX: - $my_name [options] - -OPTIONS: - -b <bootfile> : The boot image to use. - -d <device> : The network interface to use, default is eth0. - -f : Save the image in the flash memory starting at - address 0x10000. - -F : Save the image in the flash memory starting at - address 0. - -h : Print this help text. - -i <image> : The path and name of the image to use, default - is fimage. - -o <offset> : The offset in the flash where the flashing starts. - -O <offset> : The offset in the image file where the flashing - starts from. - -p : Print the resulting etrax100boot command instead - of executing it. - -s <size> : How much to flash (default is the size of the - flash minus the offset specified using -o or -f). - -S <size> : The size of the flash. - - All sizes and offsets above can be specified as decimal numbers, or as - hexadecimal numbers by prefixing them with 0x. It is also possible to use - the suffixes k and M to specify kilo (1024) or mega (1048576). - -EOT -} - -#****************** END OF FILE boot_linux *********************************** |