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Merge pull request #509 from iostat/patch-1 

Support SPI Flash in Colorlight 5A-75x
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enjoy-digital 2023-06-12 08:55:38 +02:00 committed by GitHub
parent 96175a9986 4705a0274e
commit e4343dcb86
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1 changed files with 22 additions and 0 deletions
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litex_boards/targets/colorlight_5a_75x.py
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@ -128,6 +128,7 @@ class BaseSoC(SoCCore):
with_led_chaser = True,
use_internal_osc = False,
sdram_rate = "1:1",
with_spi_flash = False,
**kwargs):
board = board.lower()
assert board in ["5a-75b", "5a-75e", "i5a-907"]
@ -197,6 +198,25 @@ class BaseSoC(SoCCore):
raise ValueError("uartbone only supported on i5a-907")
self.add_uartbone(name="uartbone")
# SPI Flash --------------------------------------------------------------------------------
if with_spi_flash:
if board == "i5a-907":
raise ValueError("SPI Flash chip is unknown on i5a-907, feel free to fix")
# from litespi.modules import XXXXXX as SpiFlashModule
elif board == "5a-75b" and revision == "6.0":
raise ValueError("SPI Flash chip is unknown on 5A-75B v6.0, feel free to fix")
# from litespi.modules import XXXXXX as SpiFlashModule
elif board == "5a-75b" and revision == "6.1":
# It's very possible that V6.0 uses this as well, but no documentation can be found for it
from litespi.modules import GD25Q16C as SpiFlashModule
# 5A-75B v7.0/v8.0 and all 5A-75Es seem to use W25Q32JV
else:
from litespi.modules import W25Q32JV as SpiFlashModule
from litespi.opcodes import SpiNorFlashOpCodes
self.mem_map["spiflash"] = 0x20000000
self.add_spi_flash(mode="1x", module=SpiFlashModule(SpiNorFlashOpCodes.READ_1_1_1), with_master=False)
# Build --------------------------------------------------------------------------------------------
@ -214,6 +234,7 @@ def main():
parser.add_target_argument("--eth-phy", default=0, type=int, help="Ethernet PHY (0 or 1).")
parser.add_target_argument("--use-internal-osc", action="store_true", help="Use internal oscillator.")
parser.add_target_argument("--sdram-rate", default="1:1", help="SDRAM Rate (1:1 Full Rate or 1:2 Half Rate).")
parser.add_target_argument("--with-spi-flash", action="store_true", help="Add SPI flash support to the SoC")
args = parser.parse_args()
soc = BaseSoC(board=args.board, revision=args.revision,
@ -226,6 +247,7 @@ def main():
eth_phy = args.eth_phy,
use_internal_osc = args.use_internal_osc,
sdram_rate = args.sdram_rate,
with_spi_flash = args.with_spi_flash,
**parser.soc_argdict
)
builder = Builder(soc, **parser.builder_argdict)