arm-hdlcd-upgrade.py revision 11090
17506Stjones1@inf.ed.ac.uk# Copyright (c) 2015 ARM Limited 27506Stjones1@inf.ed.ac.uk# All rights reserved 37506Stjones1@inf.ed.ac.uk# 47506Stjones1@inf.ed.ac.uk# The license below extends only to copyright in the software and shall 57506Stjones1@inf.ed.ac.uk# not be construed as granting a license to any other intellectual 67506Stjones1@inf.ed.ac.uk# property including but not limited to intellectual property relating 77506Stjones1@inf.ed.ac.uk# to a hardware implementation of the functionality of the software 87506Stjones1@inf.ed.ac.uk# licensed hereunder. You may use the software subject to the license 97506Stjones1@inf.ed.ac.uk# terms below provided that you ensure that this notice is replicated 107506Stjones1@inf.ed.ac.uk# unmodified and in its entirety in all distributions of the software, 117506Stjones1@inf.ed.ac.uk# modified or unmodified, in source code or in binary form. 127506Stjones1@inf.ed.ac.uk# 137506Stjones1@inf.ed.ac.uk# Redistribution and use in source and binary forms, with or without 147506Stjones1@inf.ed.ac.uk# modification, are permitted provided that the following conditions are 157506Stjones1@inf.ed.ac.uk# met: redistributions of source code must retain the above copyright 167506Stjones1@inf.ed.ac.uk# notice, this list of conditions and the following disclaimer; 177506Stjones1@inf.ed.ac.uk# redistributions in binary form must reproduce the above copyright 187506Stjones1@inf.ed.ac.uk# notice, this list of conditions and the following disclaimer in the 197506Stjones1@inf.ed.ac.uk# documentation and/or other materials provided with the distribution; 207506Stjones1@inf.ed.ac.uk# neither the name of the copyright holders nor the names of its 217506Stjones1@inf.ed.ac.uk# contributors may be used to endorse or promote products derived from 227506Stjones1@inf.ed.ac.uk# this software without specific prior written permission. 237506Stjones1@inf.ed.ac.uk# 247506Stjones1@inf.ed.ac.uk# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 257506Stjones1@inf.ed.ac.uk# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 267506Stjones1@inf.ed.ac.uk# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 277506Stjones1@inf.ed.ac.uk# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 287506Stjones1@inf.ed.ac.uk# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 297506Stjones1@inf.ed.ac.uk# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 307506Stjones1@inf.ed.ac.uk# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 317506Stjones1@inf.ed.ac.uk# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 327506Stjones1@inf.ed.ac.uk# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 337506Stjones1@inf.ed.ac.uk# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 347506Stjones1@inf.ed.ac.uk# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 357506Stjones1@inf.ed.ac.uk# 367698SAli.Saidi@ARM.com# Authors: Andreas Sandberg 377506Stjones1@inf.ed.ac.uk# 387506Stjones1@inf.ed.ac.uk 397506Stjones1@inf.ed.ac.ukdef upgrader(cpt): 407506Stjones1@inf.ed.ac.uk """HDLCD controller rewrite. Converted checkpoints cause the HDLCD 417506Stjones1@inf.ed.ac.uk model to start a new screen refresh and FIFO buffer fill immediately 427506Stjones1@inf.ed.ac.uk after they are loaded. Expect some timing differences.""" 437506Stjones1@inf.ed.ac.uk 447506Stjones1@inf.ed.ac.uk import re 457506Stjones1@inf.ed.ac.uk if cpt.get('root','isa') != 'arm': 467506Stjones1@inf.ed.ac.uk return 477506Stjones1@inf.ed.ac.uk 487506Stjones1@inf.ed.ac.uk option_names = { 497506Stjones1@inf.ed.ac.uk "int_rawstat" : "int_rawstat_serial", 507506Stjones1@inf.ed.ac.uk "int_mask" : "int_mask_serial", 517506Stjones1@inf.ed.ac.uk "fb_base" : "fb_base", 527506Stjones1@inf.ed.ac.uk "fb_line_length" : "fb_line_length", 537506Stjones1@inf.ed.ac.uk "fb_line_count" : "fb_line_count_serial", 547506Stjones1@inf.ed.ac.uk "fb_line_pitch" : "fb_line_pitch", 557720Sgblack@eecs.umich.edu "bus_options" : "bus_options_serial", 567506Stjones1@inf.ed.ac.uk 577506Stjones1@inf.ed.ac.uk "v_sync" : "v_sync_serial", 588787Sgblack@eecs.umich.edu "v_back_porch" : "v_back_porch_serial", 598787Sgblack@eecs.umich.edu "v_data" : "v_data_serial", 608787Sgblack@eecs.umich.edu "v_front_porch" : "v_front_porch_serial", 618787Sgblack@eecs.umich.edu 628787Sgblack@eecs.umich.edu "h_sync" : "h_sync_serial", 638787Sgblack@eecs.umich.edu "h_back_porch" : "h_back_porch_serial", 648787Sgblack@eecs.umich.edu "h_data" : "h_data_serial", 657693SAli.Saidi@ARM.com "h_front_porch" : "h_front_porch_serial", 667693SAli.Saidi@ARM.com 677693SAli.Saidi@ARM.com "polarities" : "polarities_serial", 687693SAli.Saidi@ARM.com 697693SAli.Saidi@ARM.com "command" : "command_serial", 707693SAli.Saidi@ARM.com "pixel_format" : "pixel_format_serial", 717693SAli.Saidi@ARM.com "red_select" : "red_select_serial", 727811Ssteve.reinhardt@amd.com "green_select" : "green_select_serial", 73 "blue_select" : "blue_select_serial", 74 } 75 76 for sec in cpt.sections(): 77 if re.search('.*\.hdlcd$', sec): 78 options = {} 79 for new, old in option_names.items(): 80 options[new] = cpt.get(sec, old) 81 82 cpt.remove_section(sec) 83 cpt.add_section(sec) 84 for key, value in options.items(): 85 cpt.set(sec, key, value) 86 87 # Create a DMA engine section. The LCD controller will 88 # initialize the DMA it after the next VSync, so we don't 89 # care about the actual values 90 sec_dma = "%s.dmaEngine" % sec 91 cpt.add_section(sec_dma) 92 cpt.set(sec_dma, "nextLineAddr", "0") 93 cpt.set(sec_dma, "frameEnd", "0") 94 cpt.set(sec_dma, "startAddr", "0") 95 cpt.set(sec_dma, "endAddr", "0") 96 cpt.set(sec_dma, "nextAddr", "0") 97 cpt.set(sec_dma, "buffer", "") 98 99 100 print "Warning: Assuming that the HDLCD pixel clock and global frequency " \ 101 "are still using their default values." 102 sec_osc = "system.realview.realview_io.osc_pxl" 103 global_tick = 1E12 104 pxl_freq = 137E6 105 pxl_ticks = global_tick / pxl_freq 106 if not cpt.has_section(sec_osc): 107 cpt.add_section(sec_osc) 108 cpt.set(sec_osc, "type", "RealViewOsc") 109 cpt.set(sec_osc, "_clockPeriod", "%i" % pxl_ticks) 110