[PATCH net-next v3 0/5] amd-xgbe: add support for AMD Renoir

From: Raju Rangoju
Date: Fri May 09 2025 - 11:54:41 EST


Add support for a new AMD Ethernet device called "Renoir". It has a new
PCI ID, add this to the current list of supported devices in the
amd-xgbe devices. Also, the BAR1 addresses cannot be used to access the
PCS registers on Renoir platform, use the indirect addressing via SMN
instead.

Changes since v2:
- include linux/pci.h in xgbe-dev.c to ensure pci_err() is defined
- line wrap to 80 columns wide
- address Checkpatch warning "Improper SPDX comment style"
- use the correct device name Renoir instead of Crater
- follow reverse Xmass tree ordering

Changes since v1:
- PCI config accesses can race with other drivers performing SMN accesses
so, fall back to AMD SMN API to avoid race.
- add the xgbe_ prefix to new functions
- follow reverse Xmass tree ordering

Raju Rangoju (5):
amd-xgbe: reorganize the code of XPCS access
amd-xgbe: reorganize the xgbe_pci_probe() code path
amd-xgbe: add support for new XPCS routines
amd-xgbe: Add XGBE_XPCS_ACCESS_V3 support to xgbe_pci_probe()
amd-xgbe: add support for new pci device id 0x1641

drivers/net/ethernet/amd/xgbe/xgbe-common.h | 5 +
drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 151 +++++++++++++++-----
drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 87 ++++++++---
drivers/net/ethernet/amd/xgbe/xgbe-smn.h | 30 ++++
drivers/net/ethernet/amd/xgbe/xgbe.h | 11 ++
5 files changed, 227 insertions(+), 57 deletions(-)
create mode 100644 drivers/net/ethernet/amd/xgbe/xgbe-smn.h

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2.34.1