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# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Command automation for Blizzard LM4F chip
# Program internal flash
proc flash_lm4 {path offset size} {
set firstsect [expr {$offset / 1024}];
set lastsect [expr {($offset + $size) / 1024 - 1}];
reset halt;
flash erase_sector 0 $firstsect $lastsect;
# Note erase_sector silently fails sometimes; see crosbug.com/p/8632
# Dump a few words as a diagnostic for whether erase succeeded
mdw 0 16
flash write_image $path $offset;
reset
}
# Link proto0 has 128KB flash; proto1+ have 256KB
proc flash_link { } {
flash_lm4 ../../../build/link/ec.bin 0 262144
}
proc flash_link_a { } {
flash_lm4 ../../../build/link/ec.A.bin 81920 81920
}
proc flash_link_b { } {
flash_lm4 ../../../build/link/ec.B.bin 163840 81920
}
proc flash_bds { } {
flash_lm4 ../../../build/bds/ec.bin 0 262144
}
# Boot a software using internal RAM only
proc ramboot_lm4 {path} {
reset halt
load_image $path 0x20000000 bin
reg 15 0x20000400
resume
}
proc ramboot_link { } {
ramboot_lm4 ../../../build/link/ec.RO.flat
}
proc ramboot_bds { } {
ramboot_lm4 ../../../build/bds/ec.RO.flat
}
proc flash_emerged_link { } {
set firmware_image ../../../../../../chroot/build/link/firmware/ec.bin
flash_lm4 $firmware_image 0 262144
}
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