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EFC: Add SPI Gateware for Shuttler DAC

- Verified by a functional test reading back the rev register
This commit is contained in:
linuswck 2023-08-21 11:01:34 +08:00 committed by Sébastien Bourdeauducq
parent e8818c812c
commit b7bac8c9d8
1 changed files with 19 additions and 1 deletions

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@ -5,7 +5,7 @@ import argparse
from migen import * from migen import *
from migen.build.generic_platform import * from migen.build.generic_platform import *
from misoc.cores import gpio from misoc.cores import gpio, spi2
from misoc.targets.efc import BaseSoC from misoc.targets.efc import BaseSoC
from misoc.integration.builder import builder_args, builder_argdict from misoc.integration.builder import builder_args, builder_argdict
@ -102,6 +102,24 @@ class Satellite(BaseSoC, AMPSoC):
self.config["DRTIO_ROLE"] = "satellite" self.config["DRTIO_ROLE"] = "satellite"
self.config["RTIO_FREQUENCY"] = "125.0" self.config["RTIO_FREQUENCY"] = "125.0"
shuttler_io = [
('dac_spi', 0,
Subsignal('clk', Pins('fmc0:HB16_N')),
Subsignal('mosi', Pins('fmc0:HB06_CC_N')),
Subsignal('cs_n', Pins('fmc0:LA31_N fmc0:LA31_P fmc0:HB19_P fmc0:LA30_P')),
IOStandard("LVCMOS18")),
('dac_rst', 0, Pins('fmc0:HB16_P'), IOStandard("LVCMOS18")),
]
platform.add_extension(shuttler_io)
self.submodules.converter_spi = spi2.SPIMaster(spi2.SPIInterface(self.platform.request("dac_spi", 0)))
self.csr_devices.append("converter_spi")
self.config["HAS_CONVERTER_SPI"] = None
dac_rst = self.platform.request('dac_rst')
self.comb += dac_rst.eq(0)
self.rtio_channels = [] self.rtio_channels = []
self.config["HAS_RTIO_LOG"] = None self.config["HAS_RTIO_LOG"] = None