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build/efinix/ifacewriter: adding internal Ti60F100 SPI Flash support 

Signed-off-by: Gwenhael Goavec-Merou <gwenhael@enjoy-digital.fr>
This commit is contained in:
Gwenhael Goavec-Merou 2023-10-12 17:34:45 +02:00 committed by Gwenhael Goavec-Merou
parent 69dc666177
commit ba2913f137
1 changed files with 50 additions and 0 deletions
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50
litex/build/efinix/ifacewriter.py
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@ -482,6 +482,54 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
return '\n'.join(cmd) + '\n' return '\n'.join(cmd) + '\n'
def generate_spiflash(self, block, verbose=True):
pads = block["pads"]
name = block["name"]
location = block["location"]
mode = block["mode"]
assert mode in ["x1"] # FIXME: support x4
assert location == "SPI_FLASH0"
dq0 = pads.mosi.name
dq1 = pads.miso.name
dq2 = pads.wp.name
dq3 = pads.hold.name
cmd = []
cmd.append('design.create_block("{}", "SPI_FLASH")'.format(name))
cmd.append('design.set_property("{}", "MULT_CTRL_EN","0","SPI_FLASH")'.format(name))
cmd.append('design.set_property("{}", "REG_EN","0","SPI_FLASH")'.format(name))
cmd.append('design.set_property("{}", "CLK_PIN","","SPI_FLASH")'.format(name)) # only required when REG_EN==1
cmd.append('design.set_property("{}", "RW_WIDTH","{}","SPI_FLASH")'.format(name, mode))
cmd.append('design.set_property("{}", "CS_N_OUT_PIN","{}","SPI_FLASH")'.format(name, pads.cs_n.name))
cmd.append('design.set_property("{}", "SCLK_OUT_PIN","{}","SPI_FLASH")'.format(name, pads.clk.name))
cmd.append('design.set_property("{}", "MOSI_OUT_PIN","{}","SPI_FLASH")'.format(name, dq0))
cmd.append('design.set_property("{}", "MISO_IN_PIN","{}","SPI_FLASH")'.format(name, dq1))
cmd.append('design.set_property("{}", "WP_N_OUT_PIN","{}","SPI_FLASH")'.format(name, dq2))
cmd.append('design.set_property("{}", "HOLD_N_OUT_PIN","{}","SPI_FLASH")'.format(name, dq3))
if mode == "x4":
cmd.append('design.set_property("{}", "HOLD_N_IN_PIN","{}","SPI_FLASH")'.format(name, dq3_i))
cmd.append('design.set_property("{}", "HOLD_N_OE_PIN","{}","SPI_FLASH")'.format(name, dq3_oe))
cmd.append('design.set_property("{}", "MISO_OUT_PIN","{}","SPI_FLASH")'.format(name, dq1_o))
cmd.append('design.set_property("{}", "MISO_OE_PIN","{}","SPI_FLASH")'.format(name, dq1_oe))
cmd.append('design.set_property("{}", "MOSI_IN_PIN","{}","SPI_FLASH")'.format(name, dq0_i))
cmd.append('design.set_property("{}", "MOSI_OE_PIN","{}","SPI_FLASH")'.format(name, dq0_oe))
cmd.append('design.set_property("{}", "WP_N_IN_PIN","{}","SPI_FLASH")'.format(name, dq2_i))
cmd.append('design.set_property("{}", "WP_N_OE_PIN","{}","SPI_FLASH")'.format(name, dq2_oe))
# mult ctrl en only
#cmd.append('design.set_property("{}", "CS_N_OE_PIN","{}","SPI_FLASH")'.format(name, cs_n_oe))
#cmd.append('design.set_property("{}", "SCLK_OE_PIN","{}","SPI_FLASH")'.format(name, clk_oe))
cmd.append('design.assign_resource("{}", "{}","SPI_FLASH")\n'.format(name, location))
cmd.append('design.set_device_property("ext_flash","EXT_FLASH_CTRL_EN","0","EXT_FLASH")')
return '\n'.join(cmd) + '\n'
def generate(self, partnumber): def generate(self, partnumber):
output = "" output = ""
for block in self.blocks: for block in self.blocks:
@ -502,6 +550,8 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
output += self.generate_hyperram(block) output += self.generate_hyperram(block)
if block["type"] == "JTAG": if block["type"] == "JTAG":
output += self.generate_jtag(block) output += self.generate_jtag(block)
if block["type"] == "SPI_FLASH":
output += self.generate_spiflash(block)
return output return output
def footer(self): def footer(self):