Re: [PATCH 11/11] doc: ti: Add readme for AM62x SK
On 18/04/22 8:26 pm, Andrew Davis wrote: > On 4/15/22 9:09 AM, Vignesh Raghavendra wrote: >> Add info of boot flow and build steps for AM62x SK. >> >> Signed-off-by: Vignesh Raghavendra >> --- >> doc/board/ti/am62x_sk.rst | 231 ++ > > > This isn't specific to the SK, more the AM62x in general, suggest name > am62x.rst. > Agreed > [...] > > >> +Build procedure: >> + >> +1. ATF: >> + >> +.. code-block:: text >> + >> + $ make CROSS_COMPILE=aarch64-none-linux-gnu- ARCH=aarch64 PLAT=k3 >> TARGET_BOARD=lite SPD=opteed >> + > > > These compiler names might not be the same as installed by some current > package managers (-none), > maybe we start by setting up two env vars to point to the two compilers > we use: > > export CROSS_COMPILE32=arm-none-linux-gnueabihf- > export CROSS_COMPILE64=aarch64-none-linux-gnu- > > Then just use those below, that way we only have to switch these first > two commands if we > have a different compiler. > > CROSS_COMPILE=$CROSS_COMPILE32 > Good idea, thanks! > etc.. > > >> +2. OPTEE: >> + >> +.. code-block:: text >> + >> + $ make PLATFORM=k3 CFG_ARM64_core=y >> CROSS_COMPILE=arm-none-linux-gnueabihf- >> CROSS_COMPILE64=aarch64-none-linux-gnu- >> + >> +3. U-Boot: >> + >> +* 3.1 R5: >> + >> +.. code-block:: text >> + >> + $ make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabihf- >> am62x_evm_r5_defconfig O=/tmp/r5 > > > Lets not pollute directories outside of the current one, suggest > `O=build/r5` > and the same below. Sure, will fix! Regards Vignesh
Re: [PATCH 11/11] doc: ti: Add readme for AM62x SK
On 4/15/22 9:09 AM, Vignesh Raghavendra wrote: Add info of boot flow and build steps for AM62x SK. Signed-off-by: Vignesh Raghavendra --- doc/board/ti/am62x_sk.rst | 231 ++ This isn't specific to the SK, more the AM62x in general, suggest name am62x.rst. [...] +Build procedure: + +1. ATF: + +.. code-block:: text + + $ make CROSS_COMPILE=aarch64-none-linux-gnu- ARCH=aarch64 PLAT=k3 TARGET_BOARD=lite SPD=opteed + These compiler names might not be the same as installed by some current package managers (-none), maybe we start by setting up two env vars to point to the two compilers we use: export CROSS_COMPILE32=arm-none-linux-gnueabihf- export CROSS_COMPILE64=aarch64-none-linux-gnu- Then just use those below, that way we only have to switch these first two commands if we have a different compiler. CROSS_COMPILE=$CROSS_COMPILE32 etc.. +2. OPTEE: + +.. code-block:: text + + $ make PLATFORM=k3 CFG_ARM64_core=y CROSS_COMPILE=arm-none-linux-gnueabihf- CROSS_COMPILE64=aarch64-none-linux-gnu- + +3. U-Boot: + +* 3.1 R5: + +.. code-block:: text + + $ make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabihf- am62x_evm_r5_defconfig O=/tmp/r5 Lets not pollute directories outside of the current one, suggest `O=build/r5` and the same below. Andrew
Re: [PATCH 11/11] doc: ti: Add readme for AM62x SK
On April 15, 2022 thus sayeth Vignesh Raghavendra: > Add info of boot flow and build steps for AM62x SK. > > Signed-off-by: Vignesh Raghavendra Looks great to me! Reviewed-by: Bryan Brattlof ~Bryan
[PATCH 11/11] doc: ti: Add readme for AM62x SK
Add info of boot flow and build steps for AM62x SK. Signed-off-by: Vignesh Raghavendra --- doc/board/ti/am62x_sk.rst | 231 ++ doc/board/ti/index.rst| 1 + 2 files changed, 232 insertions(+) create mode 100644 doc/board/ti/am62x_sk.rst diff --git a/doc/board/ti/am62x_sk.rst b/doc/board/ti/am62x_sk.rst new file mode 100644 index 00..4e68c2018a --- /dev/null +++ b/doc/board/ti/am62x_sk.rst @@ -0,0 +1,231 @@ +.. SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +.. sectionauthor:: Vignesh Raghavendra + +Texas Instruments AM62 Platforms + + +Introduction: +- +The AM62 SoC family is the follow on AM335x built on the K3 Multicore +SoC architecture platform, providing ultra-low-power modes, dual +display, multi-sensor edge compute, security and other BOM-saving +integrations. The AM62 SoC targets a broad market to enable +applications such as Industrial HMI, PLC/CNC/Robot control, Medical +Equipment, Building Automation, Appliances and more. + +Some highlights of this SoC are: + +* Quad-Cortex-A53s (running up to 1.4GHz) in a single cluster. + Pin-to-pin compatible options for single and quad core are available. +* Cortex-M4F for general-purpose or safety usage. +* Dual display support, providing 24-bit RBG parallel interface and + OLDI/LVDS-4 Lane x2, up to 200MHz pixel clock support for 2K display + resolution. +* Selectable GPU support, up to 8GFLOPS, providing better user experience + in 3D graphic display case and Android. +* PRU(Programmable Realtime Unit) support for customized programmable + interfaces/IOs. +* Integrated Giga-bit Ethernet switch supporting up to a total of two + external ports (TSN capable). +* 9xUARTs, 5xSPI, 6xI2C, 2xUSB2, 3xCAN-FD, 3x eMMC and SD, GPMC for + NAND/FPGA connection, OSPI memory controller, 3xMcASP for audio, + 1x CSI-RX-4L for Camera, eCAP/eQEP, ePWM, among other peripherals. +* Dedicated Centralized System Controller for Security, Power, and + Resource Management. +* Multiple low power modes support, ex: Deep sleep, Standby, MCU-only, + enabling battery powered system design. + +More details can be found in the Technical Reference Manual: +https://www.ti.com/lit/pdf/spruiv7 + +Boot Flow: +-- +Below is the pictorial representation of boot flow: + +.. code-block:: text + + ++ + |TIFS| Main R5 |A53| + ++ + |++ | | | + || Reset | | | | + |++ | | | + | : | | | + |++ | +---+ | | + || *ROM* |--|-->| Reset rls | | | + |++ | +---+ | | + ||| | : | | + || ROM | | : | | + ||services| | : | | + ||| | +-+ | | + ||| | | *R5 ROM* | | | + ||| | +-+ | | + |||<-|---|Load and auth| | | + ||| | | tiboot3.bin | | | + |++ | +-+ | | + |||<-|---| Load sysfw | | | + ||| | | part to TIFS| | | + ||| | | core| | | + ||| | +-+ | | + ||| | : | | + ||| | : | | + ||| | : | | + ||| | +-+ | | + ||| | | *R5 SPL* | | | + ||| | +-+ | | + ||| | |DDR | | | + ||| | | config| | | + ||| | +-+ | | + ||| | |Load | | | + ||| | | tispl.bin | | | + |||
