diff options
| author | [email protected] <[email protected]> | 2015-11-11 09:10:52 -0600 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2015-11-18 14:50:07 -0500 |
| commit | dfd1bb4ec89e8b1e87f0605af2345ad6dcf777da (patch) | |
| tree | 50453907f943386b63dabb054b64dabfb619e074 | |
| parent | e4aa8edb6e5cae256a5c5a3c5cd30e05e8f5a2b4 (diff) | |
board/ti/am335x: add support for BeagleBone Green
SeeedStudio BeagleBone Green (BBG) is clone of the BeagleBone Black (BBB) minus
the HDMI port and addition of two Grove connectors (i2c2 and usart2).
This board can be identified by the 1A value after A335BNLT (BBB) in the at24 eeprom:
1A: [aa 55 33 ee 41 33 33 35 42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
http://beagleboard.org/green
http://www.seeedstudio.com/wiki/Beaglebone_green
In Mainline Kernel as of:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79a4e64c679d8a0b1037da174e4aea578c80c4e6
Patch tested on BeagleBone Black (rev C) and BeagleBone Green (production model)
Signed-off-by: Robert Nelson <[email protected]>
CC: Tom Rini <[email protected]>
CC: Jason Kridner <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
| -rw-r--r-- | board/ti/am335x/board.c | 12 | ||||
| -rw-r--r-- | include/configs/am335x_evm.h | 7 |
2 files changed, 15 insertions, 4 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index f0cb1e204ad..f56d17ec58e 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -507,9 +507,15 @@ int board_late_init(void) safe_string[sizeof(header.name)] = 0; setenv("board_name", safe_string); - strncpy(safe_string, (char *)header.version, sizeof(header.version)); - safe_string[sizeof(header.version)] = 0; - setenv("board_rev", safe_string); + /* BeagleBone Green eeprom, board_rev: 0x1a 0x00 0x00 0x00 */ + if ( (header.version[0] == 0x1a) && (header.version[1] == 0x00) && + (header.version[2] == 0x00) && (header.version[3] == 0x00) ) { + setenv("board_rev", "BBG1"); + } else { + strncpy(safe_string, (char *)header.version, sizeof(header.version)); + safe_string[sizeof(header.version)] = 0; + setenv("board_rev", safe_string); + } #endif return 0; diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h index d58816d61d7..ed3fd344881 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -186,7 +186,12 @@ "if test $board_name = A335BONE; then " \ "setenv fdtfile am335x-bone.dtb; fi; " \ "if test $board_name = A335BNLT; then " \ - "setenv fdtfile am335x-boneblack.dtb; fi; " \ + "if test $board_rev = BBG1; then " \ + "setenv fdtfile am335x-bonegreen.dtb; " \ + "else " \ + "setenv fdtfile am335x-boneblack.dtb; " \ + "fi; " \ + "fi; " \ "if test $board_name = A33515BB; then " \ "setenv fdtfile am335x-evm.dtb; fi; " \ "if test $board_name = A335X_SK; then " \ |