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author | Nilay Vaish <nilay@cs.wisc.edu> | 2015-09-12 16:23:47 -0500 |
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committer | Nilay Vaish <nilay@cs.wisc.edu> | 2015-09-12 16:23:47 -0500 |
commit | 78bf2dfeac083f5f945ce61cf8ec32374e7c94ae (patch) | |
tree | 5f872502626284236c08afec9612c4492fee2ae0 /util | |
parent | 8b199b775e209c20cd7f7a8c085455931f8cb70e (diff) | |
parent | a1517867415abe0705d195bbe4cf62cc7fa03e47 (diff) | |
download | gem5-78bf2dfeac083f5f945ce61cf8ec32374e7c94ae.tar.xz |
merged with 62e1504b9c64
Diffstat (limited to 'util')
-rw-r--r-- | util/cpt_upgraders/arm-hdlcd-upgrade.py | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/util/cpt_upgraders/arm-hdlcd-upgrade.py b/util/cpt_upgraders/arm-hdlcd-upgrade.py new file mode 100644 index 000000000..602cbb7f1 --- /dev/null +++ b/util/cpt_upgraders/arm-hdlcd-upgrade.py @@ -0,0 +1,109 @@ +# Copyright (c) 2015 ARM Limited +# All rights reserved +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Andreas Sandberg +# + +def upgrader(cpt): + """HDLCD controller rewrite. Converted checkpoints cause the HDLCD + model to start a new screen refresh and FIFO buffer fill immediately + after they are loaded. Expect some timing differences.""" + + import re + if cpt.get('root','isa') != 'arm': + return + + option_names = { + "int_rawstat" : "int_rawstat_serial", + "int_mask" : "int_mask_serial", + "fb_base" : "fb_base", + "fb_line_length" : "fb_line_length", + "fb_line_count" : "fb_line_count_serial", + "fb_line_pitch" : "fb_line_pitch", + "bus_options" : "bus_options_serial", + + "v_sync" : "v_sync_serial", + "v_back_porch" : "v_back_porch_serial", + "v_data" : "v_data_serial", + "v_front_porch" : "v_front_porch_serial", + + "h_sync" : "h_sync_serial", + "h_back_porch" : "h_back_porch_serial", + "h_data" : "h_data_serial", + "h_front_porch" : "h_front_porch_serial", + + "polarities" : "polarities_serial", + + "command" : "command_serial", + "pixel_format" : "pixel_format_serial", + "red_select" : "red_select_serial", + "green_select" : "green_select_serial", + "blue_select" : "blue_select_serial", + } + + for sec in cpt.sections(): + if re.search('.*\.hdlcd$', sec): + options = {} + for new, old in option_names.items(): + options[new] = cpt.get(sec, old) + + cpt.remove_section(sec) + cpt.add_section(sec) + for key, value in options.items(): + cpt.set(sec, key, value) + + # Create a DMA engine section. The LCD controller will + # initialize the DMA it after the next VSync, so we don't + # care about the actual values + sec_dma = "%s.dmaEngine" % sec + cpt.add_section(sec_dma) + cpt.set(sec_dma, "nextLineAddr", "0") + cpt.set(sec_dma, "frameEnd", "0") + cpt.set(sec_dma, "startAddr", "0") + cpt.set(sec_dma, "endAddr", "0") + cpt.set(sec_dma, "nextAddr", "0") + cpt.set(sec_dma, "buffer", "") + + + print "Warning: Assuming that the HDLCD pixel clock and global frequency " \ + "are still using their default values." + sec_osc = "system.realview.realview_io.osc_pxl" + global_tick = 1E12 + pxl_freq = 137E6 + pxl_ticks = global_tick / pxl_freq + if not cpt.has_section(sec_osc): + cpt.add_section(sec_osc) + cpt.set(sec_osc, "type", "RealViewOsc") + cpt.set(sec_osc, "_clockPeriod", "%i" % pxl_ticks) |