Hardware
/
litex-boards
mirror of https://github.com/litex-hub/litex-boards.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

targets/radiona_ulx3s: Switch to LiteSPI.

This commit is contained in:
Florent Kermarrec 2021-07-30 08:10:32 +02:00
parent fdf94b95c9
commit 90fcaec287
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
litex_boards/targets/radiona_ulx3s.py
View File

@ -90,13 +90,12 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
mem_map = {**SoCCore.mem_map, **{"spiflash": 0x80000000}}
def __init__(self, device="LFE5U-45F", revision="2.0", toolchain="trellis",
sys_clk_freq=int(50e6), sdram_module_cls="MT48LC16M16", sdram_rate="1:1",
with_led_chaser=True, with_video_terminal=False, with_video_framebuffer=False,
spiflash=False, **kwargs):
with_spi_flash=False, **kwargs):
platform = ulx3s.Platform(device=device, revision=revision, toolchain=toolchain)
if spiflash:
self.mem_map = {**SoCCore.mem_map, **{"spiflash": 0x80000000}}
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq,
@ -130,6 +129,12 @@ class BaseSoC(SoCCore):
self.add_video_framebuffer(phy=self.videophy, timings="640x480@75Hz", clock_domain="hdmi")
self.comb += platform.request("ext0p").eq(self.video_framebuffer.underflow) # FIXME: Remove, used to debug SDRAM underflows.
# SPI Flash --------------------------------------------------------------------------------
if with_spi_flash:
from litespi.modules import IS25LP128
from litespi.opcodes import SpiNorFlashOpCodes as Codes
self.add_spi_flash(mode="4x", module=IS25LP128(Codes.READ_1_1_4))
# Leds -------------------------------------------------------------------------------------
if with_led_chaser:
self.submodules.leds = LedChaser(
@ -155,8 +160,7 @@ def main():
parser.add_argument("--revision", default="2.0", help="Board revision: 2.0 (default) or 1.7")
parser.add_argument("--sys-clk-freq", default=50e6, help="System clock frequency (default: 50MHz)")
parser.add_argument("--sdram-module", default="MT48LC16M16", help="SDRAM module: MT48LC16M16 (default), AS4C32M16 or AS4C16M16")
parser.add_argument("--with-spiflash", action="store_true", help="Make the SPI Flash accessible from the SoC")
parser.add_argument("--flash-boot-adr", type=lambda x: int(x,0), default=None, help="Flash boot address")
parser.add_argument("--with-spi-flash", action="store_true", help="Enable SPI Flash (MMAPed)")
sdopts = parser.add_mutually_exclusive_group()
sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support")
sdopts.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support")
@ -179,7 +183,7 @@ def main():
sdram_rate = args.sdram_rate,
with_video_terminal = args.with_video_terminal,
with_video_framebuffer = args.with_video_framebuffer,
spiflash = args.with_spiflash,
with_spi_flash = args.with_spi_flash,
**soc_core_argdict(args))
if args.with_spi_sdcard:
soc.add_spi_sdcard()
@ -187,10 +191,6 @@ def main():
soc.add_sdcard()
if args.with_oled:
soc.add_oled()
if args.with_spiflash:
soc.add_spi_flash(mode="1x", dummy_cycles=8)
if args.flash_boot_adr:
soc.add_constant("FLASH_BOOT_ADDRESS", args.flash_boot_adr)
builder = Builder(soc, **builder_argdict(args))
builder_kargs = trellis_argdict(args) if args.toolchain == "trellis" else {}