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probe: Add USB support for RPI4

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Need some special handling for RPI, since RPI does not present a phandle
for the USB in sysfs (PCI device)
This commit is contained in:
Mattias Walström
2025-07-11 17:06:37 +02:00
parent 67817a182c
commit 7b3cd7d663
1 changed files with 37 additions and 1 deletions
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board/common/rootfs/usr/libexec/infix/init.d/00-probe
+37 -1
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@@ -308,16 +308,52 @@ def probe_qemusystem(out):
subprocess.run("initctl -nbq cond set qemu".split(), check=False)
return 0
def rasberry_pi_4_usb_ports(out):
out["usb-ports"] = [
{
"name": "USB",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/authorized"
},
{
"name": "USB",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/authorized_default"
},
{
"name": "USB",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/authorized",
},
{
"name": "USB",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-0:1.0/authorized"
},
{
"name": "USB",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/authorized"
},
{
"name": "USB",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/authorized_default"
},
{
"name": "USB3",
"path": "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-0:1.0/authorized"
}
]
def probe_dtsystem(out):
"""Probe DTS based system, expects a VPD in ONIE PROM format."""
dtsys = DTSystem()
vpds = dtsys.infix_vpds()
dtsys.infix_usb_devices(out)
model = dtsys.base.str("model")
if model:
out["product-name"] = model
# Since rpi4 has USB on PCIe, there is no phandle reference
if model and model.startswith("Raspberry Pi 4"):
rasberry_pi_4_usb_ports(out)
else:
dtsys.infix_usb_devices(out)
out["compatible"] = dtsys.base.str_array("compatible")
staticpw = dtsys.infix.str("factory-password-hash")