From a6d015a358159ec317333e7ed682c32f5c614062 Mon Sep 17 00:00:00 2001 From: Gwenhael Goavec-Merou Date: Thu, 22 Feb 2024 09:38:54 +0100 Subject: [PATCH] tools/litex_json2dts_linux.py: adding ip= bootarg when localip and remoteip are provided Signed-off-by: Gwenhael Goavec-Merou --- litex/tools/litex_json2dts_linux.py | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/litex/tools/litex_json2dts_linux.py b/litex/tools/litex_json2dts_linux.py index 8e059c14c..b277c7fbd 100755 --- a/litex/tools/litex_json2dts_linux.py +++ b/litex/tools/litex_json2dts_linux.py @@ -68,14 +68,23 @@ def generate_dts(d, initrd_start=None, initrd_size=None, initrd=None, root_devic initrd_enabled = True initrd_size = os.path.getsize(initrd) + # if json constants contains localip ethernet has been enabled + if "localip1" in d["constants"]: + localip = '.'.join([str(d["constants"][f"localip{i}"]) for i in range(1,5)]) + remoteip = '.'.join([str(d["constants"][f"remoteip{i}"]) for i in range(1,5)]) + ip = f" ip={localip}:{remoteip}:{remoteip}:255.255.255.0::eth0:off:::" + else: + ip = "" + if root_device is None: root_device = "ram0" dts += """ chosen {{ - bootargs = "{console} {rootfs}";""".format( + bootargs = "{console} {rootfs}{ip}";""".format( console = "console=liteuart earlycon=liteuart,0x{:x}".format(d["csr_bases"]["uart"]), - rootfs = "rootwait root=/dev/{}".format(root_device)) + rootfs = "rootwait root=/dev/{}".format(root_device), + ip = ip) if initrd_enabled is True: dts += """