On Tue Nov 11, 2025 at 11:46 AM IST, Hrushikesh Salunke wrote: > This series adds PCIe endpoint boot support for the TI J784S4 SoC. > > PCIe boot allows the device to boot as a PCIe endpoint, where the > bootloader images are loaded by a PCIe host through Device Firmware > Upgrade (DFU) over PCIe. > > The J784S4 SoC uses PCIe1 instance with SERDES0 for endpoint boot. > To enable this functionality, the SERDES and PCIe peripherals must be > configured early in the R5 SPL stage before the bootloader images can > be transferred from the host. > > This series: > 1. Adds the required clock and device data for SERDES0 and PCIe1 > 2. Enables Cadence Torrent PHY driver at SPL stage > 3. Enables J721E WIZ SERDES wrapper driver at SPL stage > 4. Enables PCIe boot configs for R5 and A72 stage > > This feature has been tested on J784S4 EVM. Following are the logs > corresponding to this feature. > > https://gist.github.com/hrushikesh221/cf48b512eb4cd90c1612ad2e531b8ffe > > Program used to copy bootloaders from PCIe Root-Complex to Endpoint: > > https://gist.github.com/hrushikesh221/94e6042dbd717c74b74a5c9fc8ec5b6c > > This series is based on commit : > 6b27b688694 Merge branch 'master' of > https://source.denx.de/u-boot/custodians/u-boot-sh > > Changes in v2: > - Fixed SPDX license identifier to use "GPL-2.0-or-later" instead of > "GPL-2.0+" > in clk-data.c and dev-data.c > - Changed SPL_PHY_CADENCE_TORRENT config type from "tristate" to "bool" > - Changed SPL_PHY_J721E_WIZ config type from "tristate" to "bool" > > Hrushikesh Salunke (5): > arm: mach-k3: j784s4: Update SoC autogen data to enable PCIe boot > phy: cadence: Add config to enable Cadence Torrent PHY at SPL stage > phy: ti: Add config to enable J721E WIZ SERDES wrapper at SPL stage > configs: j784s4_evm_r5_defconfig: Enable configs for PCIe boot > configs: j784s4_evm_a72_defconfig: Enable configs for PCIe boot > > arch/arm/mach-k3/r5/j784s4/clk-data.c | 209 +++++++++++++++++++++++++- > arch/arm/mach-k3/r5/j784s4/dev-data.c | 43 +++--- > configs/j784s4_evm_a72_defconfig | 7 + > configs/j784s4_evm_r5_defconfig | 13 ++ > drivers/phy/cadence/Kconfig | 7 + > drivers/phy/ti/Kconfig | 10 ++ > 6 files changed, 262 insertions(+), 27 deletions(-)
Acked-by: Anshul Dalal <[email protected]> Regards, Anshul
