| # 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. |
| |
| |
| 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", fallback="") != "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 list(option_names.items()): |
| options[new] = cpt.get(sec, old) |
| |
| cpt.remove_section(sec) |
| cpt.add_section(sec) |
| for key, value in list(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 = f"{sec}.dmaEngine" |
| 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) |