| # Copyright 2019 Google, Inc. |
| # |
| # 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 |
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| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from m5.objects.FastModelGIC import FastModelGIC, SCFastModelGIC |
| from m5.objects.Gic import ArmSPI |
| from m5.objects.RealView import VExpress_GEM5_Base, HDLcd |
| from m5.objects.SubSystem import SubSystem |
| |
| class VExpressFastmodel(VExpress_GEM5_Base): |
| gic = FastModelGIC( |
| sc_gic=SCFastModelGIC( |
| reg_base=0x2c000000, |
| reg_base_per_redistributor="0.0.0.0=0x2c010000", |
| spi_count=988, |
| )) |
| |
| hdlcd = HDLcd( |
| pxl_clk=VExpress_GEM5_Base.dcc.osc_pxl, pio_addr=0x2b000000, |
| interrupt=ArmSPI(num=95)) |
| |
| # Remove original timer to prevent from possible conflict with Fastmodel |
| # timer. |
| generic_timer = SubSystem() |
| generic_timer_mem = SubSystem() |
| sys_counter = SubSystem() |
| |
| def _on_chip_devices(self): |
| return [ |
| self.gic, |
| self.hdlcd, |
| self.system_watchdog, |
| self.trusted_watchdog, |
| ] |
| |
| def setupBootLoader(self, cur_sys, loc, boot_loader=None): |
| if boot_loader is None: |
| boot_loader = [ loc('boot_v2.arm64') ] |
| super(VExpressFastmodel, self).setupBootLoader( |
| cur_sys, boot_loader) |