@@ -262,6 +262,61 @@ To boot kernel from eMMC, use the following commands:
=> setenv bootpart 0
=> boot
+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.
+
+=> 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:
+
+ 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) |
+ | |
+ +----------------------------+
+
+Kernel Image and DT are expected to be present in the /boot folder of UBIFS
+ospi.rootfs just like in SD card case. U-Boot looks for UBI volume named
+"rootfs" for rootfs.
+
+To boot kernel from OSPI, at the U-Boot prompt:
+=> setenv boot ubi
+=> boot
+
UART:
-----
ROM supports booting from MCU_UART0 via X-Modem protocol. The entire UART-based
@@ -225,3 +225,50 @@ Image formats:
| | Secure config | |
| +-------------------+ |
+-----------------------+
+
+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.
+
+=> 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:
+
+ 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) |
+ | |
+ +----------------------------+
Update AM65x and J721e README files with instructions for flashing OSPI images. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> --- board/ti/am65x/README | 55 +++++++++++++++++++++++++++++++++++++++++++ board/ti/j721e/README | 47 ++++++++++++++++++++++++++++++++++++ 2 files changed, 102 insertions(+)