Signed-off-by: Jonathan Humphreys <j-humphr...@ti.com> --- doc/board/ti/am62x_sk.rst | 48 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+)
diff --git a/doc/board/ti/am62x_sk.rst b/doc/board/ti/am62x_sk.rst index b12dc85f06b..bf7ea754e32 100644 --- a/doc/board/ti/am62x_sk.rst +++ b/doc/board/ti/am62x_sk.rst @@ -150,6 +150,54 @@ Image formats: .. image:: img/dm_tispl.bin.svg :alt: tispl.bin 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, and u-boot.img, +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 + +Flash layout for OSPI: + + .. code-block:: console + + 0x0 +----------------------------+ + | ospi.tiboot3(512k) | + | | + 0x80000 +----------------------------+ + | ospi.tispl(2m) | + | | + 0x280000 +----------------------------+ + | ospi.u-boot(4m) | + | | + 0x680000 +----------------------------+ + | ospi.env(128k) | + | | + 0x6c0000 +----------------------------+ + | ospi.env.backup(128k) | + | | + 0x740000 +----------------------------+ + | padding (768k) | + 0x800000 +----------------------------+ + | ospi.rootfs(ubifs) | + | | + 0x3fc0000 +----------------------------+ + | ospi.phypattern (256k) | + | | + +----------------------------+ + A53 SPL DDR Memory Layout ------------------------- -- 2.34.1