From: David Zhang <[email protected]> This series adds initial support for AMD NPU (AIE4) platforms, including the Physical Function with SR-IOV support on PCI device IDs 0x17F2 and 0x1B0B (NPU3).
Support for SR-IOV Virtual Functions and non-SR-IOV configurations will be added in future patches. The AIE4 platform uses mechanisms similar to AIE2 for mailbox, PSP, and SMU interactions. To support this, the driver is refactored to introduce shared implementations for mailbox, PSP, and SMU, allowing both AIE2 and AIE4 to reuse common code. Series structure (patch 1) Create common mailbox functions Factor the AIE mailbox send-and-wait and status handling into common code. AIE2 and AIE4 use same aie_send_mgmt_msg_wait() and DECLARE_AIE_MSG(); (patch 2) Add AIE4 SR-IOV support Add the AIE4 Physical Function driver and SR-IOV: new PCI IDs and device table entries. The amdxdna driver is updated with a sriov_configure callback. The mailbox layer gets helpers so it works for both AIE2 (iohub) and AIE4 (no iohub). UAPI is extended with AMDXDNA_DEV_TYPE_PF. (patch 3) Create common PSP interfaces Make PSP support into common code. (patch 4) AIE4 PSP support and firmware loading Use PSP common code for AIE4 hardware. Add firmware request code for psp operations, add NPU3 PSP BAR/register layout in npu3_regs.c. (patch 5) Create common SMU interfaces Make SMU support into common code. (patch 6) AIE4 SMU support Use SMU common code for AIE4 hardware. Add smu operations, add NPU3 SMU BAR/register layout in npu3_regs.c. Testing Build and load on a system with an AIE4/NPU3 PF; confirm the device is bound and SR-IOV can be enabled (e.g. via sriov_numvfs). Confirm AIE2-based devices (e.g. NPU4) still probe and run as before. David Zhang (5): accel/amdxdna: Add basic support for AIE4 devices accel/amdxdna: Create common PSP interfaces for AIE2 and AIE4 accel/amdxdna: Add AIE4 firmware loading accel/amdxdna: Create common SMU interfaces for AIE2 and AIE4 accel/amdxdna: Add AIE4 power on and off support Lizhi Hou (1): accel/amdxdna: Create shared functions for AIE2 and AIE4 drivers/accel/amdxdna/Makefile | 10 +- drivers/accel/amdxdna/aie.c | 89 +++++ drivers/accel/amdxdna/aie.h | 104 +++++ drivers/accel/amdxdna/aie2_ctx.c | 4 +- drivers/accel/amdxdna/aie2_error.c | 12 +- drivers/accel/amdxdna/aie2_message.c | 140 +++---- drivers/accel/amdxdna/aie2_pci.c | 145 +++---- drivers/accel/amdxdna/aie2_pci.h | 93 +---- drivers/accel/amdxdna/aie2_pm.c | 6 +- drivers/accel/amdxdna/aie2_psp.c | 161 -------- drivers/accel/amdxdna/aie2_smu.c | 156 -------- drivers/accel/amdxdna/aie4_message.c | 27 ++ drivers/accel/amdxdna/aie4_msg_priv.h | 49 +++ drivers/accel/amdxdna/aie4_pci.c | 491 ++++++++++++++++++++++++ drivers/accel/amdxdna/aie4_pci.h | 53 +++ drivers/accel/amdxdna/aie4_sriov.c | 88 +++++ drivers/accel/amdxdna/aie_psp.c | 235 ++++++++++++ drivers/accel/amdxdna/aie_smu.c | 153 ++++++++ drivers/accel/amdxdna/amdxdna_mailbox.c | 19 +- drivers/accel/amdxdna/amdxdna_mailbox.h | 8 +- drivers/accel/amdxdna/amdxdna_pci_drv.c | 19 +- drivers/accel/amdxdna/amdxdna_pci_drv.h | 10 + drivers/accel/amdxdna/npu1_regs.c | 25 +- drivers/accel/amdxdna/npu3_regs.c | 77 ++++ drivers/accel/amdxdna/npu4_regs.c | 30 +- drivers/accel/amdxdna/npu5_regs.c | 2 +- drivers/accel/amdxdna/npu6_regs.c | 2 +- include/uapi/drm/amdxdna_accel.h | 3 +- 28 files changed, 1609 insertions(+), 602 deletions(-) create mode 100644 drivers/accel/amdxdna/aie.c create mode 100644 drivers/accel/amdxdna/aie.h delete mode 100644 drivers/accel/amdxdna/aie2_psp.c delete mode 100644 drivers/accel/amdxdna/aie2_smu.c create mode 100644 drivers/accel/amdxdna/aie4_message.c create mode 100644 drivers/accel/amdxdna/aie4_msg_priv.h create mode 100644 drivers/accel/amdxdna/aie4_pci.c create mode 100644 drivers/accel/amdxdna/aie4_pci.h create mode 100644 drivers/accel/amdxdna/aie4_sriov.c create mode 100644 drivers/accel/amdxdna/aie_psp.c create mode 100644 drivers/accel/amdxdna/aie_smu.c create mode 100644 drivers/accel/amdxdna/npu3_regs.c -- 2.34.1
