def __init__(self, platform,
firmware_ram_size=0xa000,
firmware_filename=None,
**kwargs):
clk_freq = 80*1000000
SDRAMSoC.__init__(self, platform, clk_freq,
integrated_rom_size=0x8000,
sdram_controller_settings=LASMIconSettings(with_bandwidth=True),
**kwargs)
self.submodules.crg = _CRG(platform, clk_freq)
self.submodules.dna = dna.DNA()
self.submodules.git_info = git_info.GitInfo()
self.submodules.platform_info = platform_info.PlatformInfo("minispartan6"[:8], self.__class__.__name__[:8])
if not self.integrated_main_ram_size:
self.submodules.ddrphy = gensdrphy.GENSDRPHY(platform.request("sdram"),
AS4C16M16(clk_freq))
self.register_sdram_phy(self.ddrphy)
self.submodules.spiflash = spiflash.SpiFlash(
platform.request("spiflash2x"), dummy=platform.spiflash_read_dummy_bits, div=platform.spiflash_clock_div)
self.add_constant("SPIFLASH_PAGE_SIZE", platform.spiflash_page_size)
self.add_constant("SPIFLASH_SECTOR_SIZE", platform.spiflash_sector_size)
self.flash_boot_address = self.mem_map["spiflash"]+platform.gateware_size
self.register_mem("spiflash", self.mem_map["spiflash"], self.spiflash.bus, size=platform.gateware_size)
def __init__(self,
platform,
firmware_ram_size=0x10000,
firmware_filename=None,
**kwargs):
clk_freq = 75 * 1000000
SDRAMSoC.__init__(self,
platform,
clk_freq,
integrated_rom_size=0x8000,
sdram_controller_settings=LASMIconSettings(
l2_size=32, with_bandwidth=True),
**kwargs)
self.submodules.crg = _CRG(platform, clk_freq)
self.submodules.dna = dna.DNA()
self.submodules.git_info = git_info.GitInfo()
self.submodules.platform_info = platform_info.PlatformInfo(
"atlys", self.__class__.__name__[:8])
self.submodules.firmware_ram = firmware.FirmwareROM(
firmware_ram_size, firmware_filename)
self.register_mem("firmware_ram", self.mem_map["firmware_ram"],
self.firmware_ram.bus, firmware_ram_size)
self.add_constant("ROM_BOOT_ADDRESS", self.mem_map["firmware_ram"])
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s6ddrphy.S6HalfRateDDRPHY(
platform.request("ddram"),
P3R1GE4JGF(self.clk_freq),
rd_bitslip=0,
wr_bitslip=4,
dqs_ddr_alignment="C0")
self.comb += [
self.ddrphy.clk4x_wr_strb.eq(self.crg.clk4x_wr_strb),
self.ddrphy.clk4x_rd_strb.eq(self.crg.clk4x_rd_strb),
]
self.register_sdram_phy(self.ddrphy)
self.submodules.spiflash = spiflash.SpiFlash(
platform.request("spiflash4x"),
dummy=platform.spiflash_read_dummy_bits,
div=platform.spiflash_clock_div)
self.add_constant("SPIFLASH_PAGE_SIZE", platform.spiflash_page_size)
self.add_constant("SPIFLASH_SECTOR_SIZE",
platform.spiflash_sector_size)
self.flash_boot_address = self.mem_map[
"spiflash"] + platform.gateware_size
self.register_mem("spiflash",
self.mem_map["spiflash"],
self.spiflash.bus,
size=platform.gateware_size)
self.specials += Keep(self.crg.cd_sys.clk)
platform.add_platform_command("""
NET "{sys_clk}" TNM_NET = "GRPsys_clk";
""",
sys_clk=self.crg.cd_sys.clk)
def __init__(self,
platform,
firmware_ram_size=0xa000,
firmware_filename=None,
**kwargs):
clk_freq = (83 + Fraction(1, 3)) * 1000 * 1000
SDRAMSoC.__init__(self,
platform,
clk_freq,
integrated_rom_size=0x8000,
sdram_controller_settings=LASMIconSettings(
l2_size=32, with_bandwidth=True),
**kwargs)
platform.add_extension(PipistrelloCustom)
self.submodules.crg = _CRG(platform, clk_freq)
self.submodules.dna = dna.DNA()
self.submodules.git_info = git_info.GitInfo()
self.submodules.platform_info = platform_info.PlatformInfo(
"pipistrello"[:8], self.__class__.__name__[:8])
self.submodules.fx2_reset = gpio.GPIOOut(platform.request("fx2_reset"))
self.submodules.fx2_hack = i2c_hack.I2CShiftReg(
platform.request("fx2_hack"))
self.submodules.firmware_ram = firmware.FirmwareROM(
firmware_ram_size, firmware_filename)
self.register_mem("firmware_ram", self.mem_map["firmware_ram"],
self.firmware_ram.bus, firmware_ram_size)
self.add_constant("ROM_BOOT_ADDRESS", self.mem_map["firmware_ram"])
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s6ddrphy.S6HalfRateDDRPHY(
platform.request("ddram"),
MT46H32M16(self.clk_freq),
rd_bitslip=1,
wr_bitslip=3,
dqs_ddr_alignment="C1")
self.comb += [
self.ddrphy.clk4x_wr_strb.eq(self.crg.clk4x_wr_strb),
self.ddrphy.clk4x_rd_strb.eq(self.crg.clk4x_rd_strb),
]
self.register_sdram_phy(self.ddrphy)
self.submodules.spiflash = spiflash.SpiFlash(
platform.request("spiflash4x"),
dummy=platform.spiflash_read_dummy_bits,
div=platform.spiflash_clock_div)
self.add_constant("SPIFLASH_PAGE_SIZE", platform.spiflash_page_size)
self.add_constant("SPIFLASH_SECTOR_SIZE",
platform.spiflash_sector_size)
self.flash_boot_address = self.mem_map[
"spiflash"] + platform.gateware_size
self.register_mem("spiflash",
self.mem_map["spiflash"],
self.spiflash.bus,
size=platform.gateware_size)
def __init__(self, platform,
firmware_ram_size=0x10000,
firmware_filename=None,
**kwargs):
clk_freq = 50*1000000
SDRAMSoC.__init__(self, platform, clk_freq,
integrated_rom_size=0x8000,
sdram_controller_settings=LASMIconSettings(l2_size=32, with_bandwidth=True),
with_uart=False,
**kwargs)
self.submodules.crg = _CRG(platform, clk_freq)
self.submodules.dna = dna.DNA()
self.submodules.git_info = git_info.GitInfo()
self.submodules.platform_info = platform_info.PlatformInfo("opsis", self.__class__.__name__[:8])
fx2_uart_pads = platform.request("serial_fx2")
sd_card_uart_pads = platform.request("serial_sd_card")
uart_pads = UARTSharedPads()
self.comb += [
# TX
fx2_uart_pads.tx.eq(uart_pads.tx),
sd_card_uart_pads.tx.eq(uart_pads.tx),
# RX
uart_pads.rx.eq(fx2_uart_pads.rx & sd_card_uart_pads.rx)
]
self.submodules.uart_phy = UARTPHY(uart_pads, self.clk_freq, 115200)
self.submodules.uart = uart.UART(self.uart_phy)
# self.submodules.opsis_eeprom_i2c = i2c.I2C(platform.request("opsis_eeprom"))
self.submodules.fx2_reset = gpio.GPIOOut(platform.request("fx2_reset"))
self.submodules.fx2_hack = i2c_hack.I2CShiftReg(platform.request("opsis_eeprom"))
self.submodules.tofe_eeprom_i2c = i2c.I2C(platform.request("tofe_eeprom"))
self.submodules.firmware_ram = firmware.FirmwareROM(firmware_ram_size, firmware_filename)
self.register_mem("firmware_ram", self.mem_map["firmware_ram"], self.firmware_ram.bus, firmware_ram_size)
self.add_constant("ROM_BOOT_ADDRESS", self.mem_map["firmware_ram"])
if not self.integrated_main_ram_size:
self.submodules.ddrphy = s6ddrphy.S6QuarterRateDDRPHY(platform.request("ddram"),
MT41J128M16(self.clk_freq),
rd_bitslip=0,
wr_bitslip=4,
dqs_ddr_alignment="C0")
self.comb += [
self.ddrphy.clk8x_wr_strb.eq(self.crg.clk8x_wr_strb),
self.ddrphy.clk8x_rd_strb.eq(self.crg.clk8x_rd_strb),
]
self.register_sdram_phy(self.ddrphy)
self.submodules.spiflash = spiflash.SpiFlash(
platform.request("spiflash4x"), dummy=platform.spiflash_read_dummy_bits, div=platform.spiflash_clock_div)
self.add_constant("SPIFLASH_PAGE_SIZE", platform.spiflash_page_size)
self.add_constant("SPIFLASH_SECTOR_SIZE", platform.spiflash_sector_size)
self.flash_boot_address = self.mem_map["spiflash"]+platform.gateware_size
self.register_mem("spiflash", self.mem_map["spiflash"], self.spiflash.bus, size=platform.gateware_size)
self.specials += Keep(self.crg.cd_sys.clk)
platform.add_platform_command("""
NET "{sys_clk}" TNM_NET = "GRPsys_clk";
""", sys_clk=self.crg.cd_sys.clk)