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efinix_trion_txy_dev_kit: Lower sys_clk_freq for now to 50MHz, enable QSPI on T120 BGA576 dev kit. 

Now possible with recent LiteX changes to support Tristate IOs.
This commit is contained in:
Florent Kermarrec 2021-10-25 18:35:35 +02:00
parent f230eaf9bc
commit d13a8d54b8
2 changed files with 8 additions and 40 deletions
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42
litex_boards/targets/efinix_trion_t120_bga576_dev_kit.py
View File

@ -40,7 +40,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(100e6), with_spi_flash=False, with_led_chaser=True, **kwargs):
def __init__(self, sys_clk_freq=int(50e6), with_spi_flash=False, with_led_chaser=True, **kwargs):
platform = efinix_trion_t120_bga576_dev_kit.Platform()
# USBUART PMOD as Serial--------------------------------------------------------------------
@ -64,7 +64,8 @@ class BaseSoC(SoCCore):
if with_spi_flash:
from litespi.modules import W25Q128JV
from litespi.opcodes import SpiNorFlashOpCodes as Codes
self.add_spi_flash(mode="1x", module=W25Q128JV(Codes.READ_1_1_1), with_master=True)
self.add_spi_flash(mode="4x", module=W25Q128JV(Codes.READ_1_1_4), with_master=True)
platform.toolchain.excluded_ios.append(platform.lookup_request("spiflash4x").dq)
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
@ -72,7 +73,7 @@ class BaseSoC(SoCCore):
pads = platform.request_all("user_led"),
sys_clk_freq = sys_clk_freq)
# SDRTristate Test -------------------------------------------------------------------------
# Tristate Test ----------------------------------------------------------------------------
from litex.build.generic_platform import Subsignal, Pins, Misc, IOStandard
from litex.soc.cores.bitbang import I2CMaster
platform.add_extension([("i2c", 0,
@ -80,41 +81,8 @@ class BaseSoC(SoCCore):
Subsignal("scl", Pins("V11")),
IOStandard("3.3_V_LVTTL_/_LVCMOS"),
)])
if True:
self.submodules.i2c = I2CMaster(pads=platform.request("i2c"))
if False:
it6263 = platform.request("i2c")
name = platform.get_pin_name(it6263.sda)
pad = platform.get_pin_location(it6263.sda)
sda_oe = platform.add_iface_io(name + '_OE')
sda_i = platform.add_iface_io(name + '_IN')
sda_o = platform.add_iface_io(name + '_OUT')
block = {'type':'GPIO',
'mode':'INOUT',
'name':name,
'location':[pad[0]],
}
platform.toolchain.ifacewriter.blocks.append(block)
platform.delete(it6263.sda)
name = platform.get_pin_name(it6263.scl)
pad = platform.get_pin_location(it6263.scl)
scl_oe = platform.add_iface_io(name + '_OE')
scl_i = platform.add_iface_io(name + '_IN')
scl_o = platform.add_iface_io(name + '_OUT')
block = {'type':'GPIO',
'mode':'INOUT',
'name':name,
'location':[pad[0]],
}
platform.toolchain.ifacewriter.blocks.append(block)
platform.delete(it6263.scl)
# Build --------------------------------------------------------------------------------------------
def main():
@ -122,7 +90,7 @@ def main():
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--flash", action="store_true", help="Flash bitstream")
parser.add_argument("--sys-clk-freq", default=100e6, help="System clock frequency (default: 100MHz)")
parser.add_argument("--sys-clk-freq", default=50e6, help="System clock frequency (default: 50MHz)")
parser.add_argument("--with-spi-flash", action="store_true", help="Enable SPI Flash (MMAPed)")
builder_args(parser)
soc_core_args(parser)

4
litex_boards/targets/efinix_trion_t20_bga256_dev_kit.py
View File

@ -42,7 +42,7 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(100e6), with_spi_flash=False, with_led_chaser=True, **kwargs):
def __init__(self, sys_clk_freq=int(50e6), with_spi_flash=False, with_led_chaser=True, **kwargs):
platform = efinix_trion_t20_bga256_dev_kit.Platform()
# SoCCore ----------------------------------------------------------------------------------
@ -77,7 +77,7 @@ def main():
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--flash", action="store_true", help="Flash bitstream")
parser.add_argument("--sys-clk-freq", default=100e6, help="System clock frequency (default: 100MHz)")
parser.add_argument("--sys-clk-freq", default=50e6, help="System clock frequency (default: 50MHz)")
parser.add_argument("--with-spi-flash", action="store_true", help="Enable SPI Flash (MMAPed)")
builder_args(parser)
soc_core_args(parser)