[U-Boot] [PATCH v4 0/5] net: ethernet: ti: Introduce am654 gigabit eth switch subsystem driver

Keerthy j-keerthy at ti.com
Thu May 2 05:44:19 UTC 2019



On 30/04/19 11:57 AM, Keerthy wrote:
> 
> 
> On 30/04/19 11:54 AM, Keerthy wrote:
>> Add new driver for the TI AM65x SoC Gigabit Ethernet Switch subsystem 
>> (CPSW
>> NUSS). It has two ports and provides Ethernet packet communication for 
>> the
>> device and can be configured as an Ethernet switch. CPSW NUSS 
>> features: the
>> Reduced Gigabit Media Independent Interface (RGMII), Reduced Media
>> Independent Interface (RMII), and the Management Data Input/Output (MDIO)
>> interface for physical layer device (PHY) management. The TI AM65x SoC 
>> has
>> integrated two-port Gigabit Ethernet Switch subsystem into device MCU
>> domain named MCU_CPSW0. One Ethernet port (port 1) with selectable RGMII
>> and RMII interfaces and an internal Communications Port Programming
>> Interface (CPPI) port (Host port 0).
>>
>> Host Port 0 CPPI Packet Streaming Interface interface supports 8 TX
>> channels and on RX channels operating by TI am654 NAVSS Unified DMA
>> Peripheral Root Complex (UDMA-P) controller.
>>
>> Tested for tftp and booting to kernel on am654-evm.
> 
> https://patchwork.ozlabs.org/patch/1090618/
> 
> Needs to be applied before trying the cpsw.

Tom,

Thanks for pulling this series and as pointed above please pull the 
patch [1] which will avoid udma accessing RT registers before channel 
config is done.

Regards,
Keerthy

[1] https://patchwork.ozlabs.org/patch/1090618/

> 
>>
>> Grygorii Strashko (4):
>>    net: ethernet: ti: Introduce am654 gigabit eth switch subsystem driver
>>    arm64: dts: k3-am654-base-board: add mcu cpsw nuss pinmux and phy defs
>>    configs: am65x_evm_a53: enable networking
>>    arm64: dts: ti: k3-am65: add mcu cpsw node
>>
>> Keerthy (1):
>>    driver: net: ti: cpsw-mdio: use phys_addr_t for mdio_base addr
>>
>> Changes in v4:
>>
>>    * Patch1 caused dra7 config build warnings corrected them.
>>
>> Testing:
>>
>>    1) Build tested am3/4 and dra7.
>>    2) Booted to kernel using cpsw tftp.
>>   arch/arm/dts/k3-am65.dtsi                    |   2 +
>>   arch/arm/dts/k3-am654-base-board-u-boot.dtsi | 170 ++++
>>   configs/am65x_evm_a53_defconfig              |   7 +
>>   drivers/net/ti/Kconfig                       |   8 +
>>   drivers/net/ti/Makefile                      |   1 +
>>   drivers/net/ti/am65-cpsw-nuss.c              | 794 +++++++++++++++++++
>>   drivers/net/ti/cpsw_mdio.c                   |   4 +-
>>   drivers/net/ti/cpsw_mdio.h                   |   2 +-
>>   8 files changed, 985 insertions(+), 3 deletions(-)
>>   create mode 100644 drivers/net/ti/am65-cpsw-nuss.c
>>
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