Hardware
/
litex-boards
mirror of https://github.com/litex-hub/litex-boards.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

targets/pcie: use 128-bit datapath and 8 max_pending_requests on pcie_x4 configurations.

This commit is contained in:
Florent Kermarrec 2020-05-14 15:22:03 +02:00
parent 2bb7fce5e3
commit 482d7a6b95
3 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
litex_boards/targets/acorn_cle_215.py
View File

@ -137,7 +137,7 @@ class PCIeSoC(SoCCore):
# PCIe ------------------------------------------------------------------------------------- # PCIe -------------------------------------------------------------------------------------
# PHY # PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"), self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 64, data_width = 128,
bar0_size = 0x20000) bar0_size = 0x20000)
self.pcie_phy.add_timing_constraints(platform) self.pcie_phy.add_timing_constraints(platform)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk) platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
@ -145,7 +145,7 @@ class PCIeSoC(SoCCore):
self.comb += platform.request("pcie_clkreq_n").eq(0) self.comb += platform.request("pcie_clkreq_n").eq(0)
# Endpoint # Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy) self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge # Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint, self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,

4
litex_boards/targets/aller.py
View File

@ -116,14 +116,14 @@ class PCIeSoC(SoCCore):
# PCIe ------------------------------------------------------------------------------------- # PCIe -------------------------------------------------------------------------------------
# PHY # PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"), self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 64, data_width = 128,
bar0_size = 0x20000) bar0_size = 0x20000)
self.pcie_phy.add_timing_constraints(platform) self.pcie_phy.add_timing_constraints(platform)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk) platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy") self.add_csr("pcie_phy")
# Endpoint # Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy) self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge # Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint, self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,

4
litex_boards/targets/nereid.py
View File

@ -115,14 +115,14 @@ class PCIeSoC(SoCCore):
# PCIe ------------------------------------------------------------------------------------- # PCIe -------------------------------------------------------------------------------------
# PHY # PHY
self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"), self.submodules.pcie_phy = S7PCIEPHY(platform, platform.request("pcie_x4"),
data_width = 64, data_width = 128,
bar0_size = 0x20000) bar0_size = 0x20000)
self.pcie_phy.add_timing_constraints(platform) self.pcie_phy.add_timing_constraints(platform)
platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk) platform.add_false_path_constraints(self.crg.cd_sys.clk, self.pcie_phy.cd_pcie.clk)
self.add_csr("pcie_phy") self.add_csr("pcie_phy")
# Endpoint # Endpoint
self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy) self.submodules.pcie_endpoint = LitePCIeEndpoint(self.pcie_phy, max_pending_requests=8)
# Wishbone bridge # Wishbone bridge
self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint, self.submodules.pcie_bridge = LitePCIeWishboneBridge(self.pcie_endpoint,