bios: we can now use -Ot with_rom True on targets to force bios implementation in integrated rom (can speed up debug we don't want to reflash SPI or NOR flash)
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@ -98,7 +98,8 @@ class BaseSoC(SDRAMSoC):
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self.submodules.ddrphy = k7ddrphy.K7DDRPHY(platform.request("ddram"), memtype="DDR3")
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self.register_sdram_phy(self.ddrphy.dfi, self.ddrphy.phy_settings, sdram_geom, sdram_timing)
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# BIOS is in SPI flash
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# If not in ROM, BIOS is in SPI flash
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if not self.with_rom:
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spiflash_pads = platform.request("spiflash")
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spiflash_pads.clk = Signal()
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self.specials += Instance("STARTUPE2",
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@ -54,6 +54,8 @@ class BaseSoC(SDRAMSoC):
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rd_bitslip=0, wr_bitslip=3, dqs_ddr_alignment="C1")
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self.register_sdram_phy(self.ddrphy.dfi, self.ddrphy.phy_settings, sdram_geom, sdram_timing)
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# If not in ROM, BIOS is in // NOR flash
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if not self.with_rom:
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self.submodules.norflash = norflash16.NorFlash16(platform.request("norflash"),
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self.ns(110), self.ns(50))
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self.flash_boot_address = 0x001a0000
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@ -97,7 +97,8 @@ class BaseSoC(SDRAMSoC):
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self.submodules.sdrphy = gensdrphy.GENSDRPHY(platform.request("sdram"))
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self.register_sdram_phy(self.sdrphy.dfi, self.sdrphy.phy_settings, sdram_geom, sdram_timing)
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# BIOS is in SPI flash
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# If not in ROM, BIOS is in SPI flash
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if not self.with_rom:
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self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash2x"), dummy=4, div=6)
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self.flash_boot_address = 0x70000
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self.register_rom(self.spiflash.bus)
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@ -91,7 +91,8 @@ class BaseSoC(SDRAMSoC):
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self.submodules.sdrphy = gensdrphy.GENSDRPHY(platform.request("sdram"))
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self.register_sdram_phy(self.sdrphy.dfi, self.sdrphy.phy_settings, sdram_geom, sdram_timing)
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# BIOS is in SPI flash
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# If not in ROM, BIOS is in SPI flash
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if not self.with_rom:
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self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash2x"), dummy=4, div=6)
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self.flash_boot_address = 0x70000
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self.register_rom(self.spiflash.bus)
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