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sqrl_acorn: Switch back to PCIe Gen2 X4 and enable 64-bit addressing (Not really useful except for 64-bit addressing tests).

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This commit is contained in:
Florent Kermarrec 2022-05-12 13:32:28 +02:00
parent 45494f60e0
commit dabf2cff06
1 changed files with 2 additions and 2 deletions

4
litex_boards/targets/sqrl_acorn.py
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@ -104,10 +104,10 @@ class BaseSoC(SoCCore):
# PCIe -------------------------------------------------------------------------------------
if with_pcie:
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x1"),
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 128,
bar0_size = 0x20000)
self.add_pcie(phy=self.pcie_phy, ndmas=1)
self.add_pcie(phy=self.pcie_phy, ndmas=1, address_width=64)
# FIXME: Apply it to all targets (integrate it in LitePCIe?).
platform.add_period_constraint(self.crg.cd_sys.clk, 1e9/sys_clk_freq)
platform.toolchain.pre_placement_commands.add("set_clock_groups -group [get_clocks {sys_clk}] -group [get_clocks userclk2] -asynchronous", sys_clk=self.crg.cd_sys.clk)