Signed-off-by: Jonathan Humphreys <j-humphr...@ti.com> --- doc/board/ti/j721e_evm.rst | 85 +++++++++++++++++++++++++------------- 1 file changed, 56 insertions(+), 29 deletions(-)
diff --git a/doc/board/ti/j721e_evm.rst b/doc/board/ti/j721e_evm.rst index a422a9bf1a0..a0fc37ab6d7 100644 --- a/doc/board/ti/j721e_evm.rst +++ b/doc/board/ti/j721e_evm.rst @@ -150,6 +150,60 @@ Image formats: .. image:: img/sysfw.itb.svg :alt: sysfw.itb image format +OSPI: +----- +ROM supports booting from OSPI from offset 0x0. + +Flashing images to OSPI: + +Below commands can be used to download tiboot3.bin, tispl.bin, u-boot.img, +and sysfw.itb over tftp and then flash those to OSPI at their respective +addresses. + +.. prompt:: bash => + + sf probe + tftp ${loadaddr} tiboot3.bin + sf update $loadaddr 0x0 $filesize + tftp ${loadaddr} tispl.bin + sf update $loadaddr 0x80000 $filesize + tftp ${loadaddr} u-boot.img + sf update $loadaddr 0x280000 $filesize + tftp ${loadaddr} sysfw.itb + sf update $loadaddr 0x6C0000 $filesize + +Flash layout for OSPI: + + .. code-block:: console + + 0x0 +----------------------------+ + | ospi.tiboot3(512K) | + | | + 0x80000 +----------------------------+ + | ospi.tispl(2M) | + | | + 0x280000 +----------------------------+ + | ospi.u-boot(4M) | + | | + 0x680000 +----------------------------+ + | ospi.env(128K) | + | | + 0x6A0000 +----------------------------+ + | ospi.env.backup (128K) | + | | + 0x6C0000 +----------------------------+ + | ospi.sysfw(1M) | + | | + 0x7C0000 +----------------------------+ + | padding (256k) | + 0x800000 +----------------------------+ + | ospi.rootfs(UBIFS) | + | | + 0x3FE0000 +----------------------------+ + | ospi.phypattern (128k) | + | | + +----------------------------+ + R5 Memory Map: -------------- @@ -193,35 +247,8 @@ R5 Memory Map: - 0x41cffbfc - 0x41cfffff -OSPI: ------ -ROM supports booting from OSPI from offset 0x0. - -Flashing images to OSPI: - -Below commands can be used to download tiboot3.bin, tispl.bin, u-boot.img, -and sysfw.itb over tftp and then flash those to OSPI at their respective -addresses. - -.. prompt:: bash => - - sf probe - tftp ${loadaddr} tiboot3.bin - sf update $loadaddr 0x0 $filesize - tftp ${loadaddr} tispl.bin - sf update $loadaddr 0x80000 $filesize - tftp ${loadaddr} u-boot.img - sf update $loadaddr 0x280000 $filesize - tftp ${loadaddr} sysfw.itb - sf update $loadaddr 0x6C0000 $filesize - -Flash layout for OSPI: - -.. image:: img/ospi_sysfw.svg - :alt: OSPI flash partition layout - -Firmwares: ----------- +Firmware: +--------- The J721e u-boot allows firmware to be loaded for the Cortex-R5 subsystem. The CPSW5G in J7200 and CPSW9G in J721E present in MAIN domain is configured -- 2.34.1