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Merged
enjoy-digital merged 2 commits into from
Jul 27, 2026
Merged

targets/efinix_t120: use shared Trion DDR integration #771

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a2e8a1b
targets/efinix_t120: use shared Trion DDR integration
enjoy-digital Jul 27, 2026
7dc6867
docs: refresh Efinix board inventory
enjoy-digital Jul 27, 2026
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2 changes: 1 addition & 1 deletion docs/boards_inventory.md
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ python3 .github/scripts/generate_board_inventory.py --write
| `icepi_zero` | icepi_zero | trellis | `50000000.0` | SDCard, SPI SDCard, SPI Flash, Video Terminal, Video Framebuffer | included |
| `intergalaktik_ulx5m_gs` | intergalaktik_ulx5m_gs | colognechip | `20000000.0` | SDCard, SPI SDCard, SPI Flash | included |
| `isx_im1283` | isx_im1283 | vivado | `80000000.0` | SDCard, SPI SDCard | included |
| `jungle_electronics_fireant` | jungle_electronics_fireant | efinity | `33333000.0` | - | toolchain-gated: Require Efinity toolchain. |
| `jungle_electronics_fireant` | jungle_electronics_fireant | efinity | `33330000.0` | - | toolchain-gated: Require Efinity toolchain. |
| `kosagi_fomu` | kosagi_fomu_pvt | icestorm | `12000000.0` | - | included |
| `kosagi_netv2` | kosagi_netv2 | vivado | `100000000.0` | Ethernet, SDCard, SPI SDCard, PCIe | included |
| `krtkl_snickerdoodle` | krtkl_snickerdoodle | vivado | `100000000.0` | - | included |
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44 changes: 44 additions & 0 deletions litex_boards/platforms/efinix_t120_f576_dev_kit.py
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Expand Up @@ -179,6 +179,48 @@ def i2c_pmod_io(pmod):
),
]

# DDR Configuration --------------------------------------------------------------------------------

ddr_config = {
"preset_id" : 173,
"memory_type" : "LPDDR3",
"controller_width" : 32,
"dram_width" : 32,
"memory_density" : "8G",
"speedbin" : 800,
"fpga_config" : {
"FPGA_ITERM" : "120",
"FPGA_OTERM" : "34",
},
"memory_config" : {
"RTT_NOM" : "RZQ/2",
"MEM_OTERM" : "40",
"CL" : "RL=6/WL=3",
},
"memory_timing" : {
"tRAS" : 42.0,
"tRC" : 60.0,
"tRP" : 18.0,
"tRCD" : 18.0,
"tREFI" : 3.9,
"tRFC" : 210.0,
"tRTP" : 10.0,
"tWTR" : 10.0,
"tRRD" : 10.0,
"tFAW" : 50.0,
},
"control_config" : {
"AMAP" : "ROW-COL_HIGH-BANK-COL_LOW",
"EN_AUTO_PWR_DN" : "Off",
"EN_AUTO_SELF_REF" : "No",
},
"gate_delay_config" : {
"EN_DLY_OVR" : "No",
"GATE_C_DLY" : 3,
"GATE_F_DLY" : 0,
},
}

# Platform -----------------------------------------------------------------------------------------

class Platform(EfinixPlatform):
Expand All @@ -188,6 +230,8 @@ class Platform(EfinixPlatform):

def __init__(self, toolchain="efinity"):
EfinixPlatform.__init__(self, "T120F576I4", _io, _connectors, iobank_info=_bank_info, toolchain=toolchain)
self.ddr_config = ddr_config
self.ddr_size = 0x1000_0000 # 256MB per target port.

def create_programmer(self):
return EfinixProgrammer()
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