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

partner/netv2: switch to MVP (K4B2G1646F instead of MT41J128M16)

This commit is contained in:
Florent Kermarrec 2019-09-12 09:52:13 +02:00
parent 91feb59f49
commit e94c6c8f27
2 changed files with 22 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
litex_boards/partner/platforms/netv2.py
View File

@ -46,28 +46,28 @@ _io = [
("ddram", 0, ("ddram", 0,
Subsignal("a", Pins( Subsignal("a", Pins(
"U6 V4 W5 V5 AA1 Y2 AB1 AB3", "U6 V4 W5 V5 AA1 Y2 AB1 AB3",
"AB2 Y3 W6 Y1 V2 AA3" "AB2 Y3 W6 Y1 V2 AA3"),
), IOStandard("SSTL15_R")),
IOStandard("SSTL15")), Subsignal("ba", Pins("U5 W4 V7"), IOStandard("SSTL15_R")),
Subsignal("ba", Pins("U5 W4 V7"), IOStandard("SSTL15")), Subsignal("ras_n", Pins("Y9"), IOStandard("SSTL15_R")),
Subsignal("ras_n", Pins("Y9"), IOStandard("SSTL15")), Subsignal("cas_n", Pins("Y7"), IOStandard("SSTL15_R")),
Subsignal("cas_n", Pins("Y7"), IOStandard("SSTL15")), Subsignal("we_n", Pins("V8"), IOStandard("SSTL15_R")),
Subsignal("we_n", Pins("V8"), IOStandard("SSTL15")), Subsignal("dm", Pins("G1 H4 M5 L3"), IOStandard("SSTL15_R")),
Subsignal("dm", Pins("M5 L3"), IOStandard("SSTL15")),
Subsignal("dq", Pins( Subsignal("dq", Pins(
"N2 M6 P1 N5 P2 N4 R1 P6 " "C2 F1 B1 F3 A1 D2 B2 E2",
"K3 M2 K4 M3 J6 L5 J4 K6 " "J5 H3 K1 H2 J1 G2 H5 G3",
), "N2 M6 P1 N5 P2 N4 R1 P6",
IOStandard("SSTL15"), "K3 M2 K4 M3 J6 L5 J4 K6"),
Misc("IN_TERM=UNTUNED_SPLIT_50")), IOStandard("SSTL15_R"),
Subsignal("dqs_p", Pins("P5 M1"), IOStandard("DIFF_SSTL15")), Misc("IN_TERM=UNTUNED_SPLIT_40")),
Subsignal("dqs_n", Pins("P4 L1"), IOStandard("DIFF_SSTL15")), Subsignal("dqs_p", Pins("E1 K2 P5 M1"), IOStandard("DIFF_SSTL15_R")),
Subsignal("clk_p", Pins("R3"), IOStandard("DIFF_SSTL15")), Subsignal("dqs_n", Pins("D1 J2 P4 L1"), IOStandard("DIFF_SSTL15_R")),
Subsignal("clk_n", Pins("R2"), IOStandard("DIFF_SSTL15")), Subsignal("clk_p", Pins("R3"), IOStandard("DIFF_SSTL15_R")),
Subsignal("cke", Pins("Y8"), IOStandard("SSTL15")), Subsignal("clk_n", Pins("R2"), IOStandard("DIFF_SSTL15_R")),
Subsignal("odt", Pins("W9"), IOStandard("SSTL15")), Subsignal("cke", Pins("Y8"), IOStandard("SSTL15_R")),
Subsignal("odt", Pins("W9"), IOStandard("SSTL15_R")),
Subsignal("reset_n", Pins("AB5"), IOStandard("LVCMOS15")), Subsignal("reset_n", Pins("AB5"), IOStandard("LVCMOS15")),
Subsignal("cs_n", Pins("V9"), IOStandard("SSTL15")), Subsignal("cs_n", Pins("V9"), IOStandard("SSTL15_R")),
Misc("SLEW=FAST"), Misc("SLEW=FAST"),
), ),

4
litex_boards/partner/targets/netv2.py
View File

@ -13,7 +13,7 @@ from litex.soc.cores.clock import *
from litex.soc.integration.soc_sdram import * from litex.soc.integration.soc_sdram import *
from litex.soc.integration.builder import * from litex.soc.integration.builder import *
from litedram.modules import MT41J128M16 from litedram.modules import K4B2G1646F
from litedram.phy import s7ddrphy from litedram.phy import s7ddrphy
from liteeth.phy.rmii import LiteEthPHYRMII from liteeth.phy.rmii import LiteEthPHYRMII
@ -62,7 +62,7 @@ class BaseSoC(SoCSDRAM):
# sdram # sdram
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"), sys_clk_freq=sys_clk_freq) self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"), sys_clk_freq=sys_clk_freq)
self.add_csr("ddrphy") self.add_csr("ddrphy")
sdram_module = MT41J128M16(sys_clk_freq, "1:4") sdram_module = K4B2G1646F(sys_clk_freq, "1:4")
self.register_sdram(self.ddrphy, self.register_sdram(self.ddrphy,
sdram_module.geom_settings, sdram_module.geom_settings,
sdram_module.timing_settings) sdram_module.timing_settings)