c196516e65
- Add support for BeagleBone Green - Add initial support for C.H.I.P. - Enable Rockchips: Firefly, Jerry devices - Enable Exynos: Peach Pit/Pi, Sprint devices
77 lines
2.9 KiB
Diff
77 lines
2.9 KiB
Diff
From patchwork Wed Nov 11 15:10:52 2015
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [U-Boot] board/ti/am335x: add support for BeagleBone Green
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From: robertcnelson@gmail.com
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X-Patchwork-Id: 542919
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Message-Id: <1447254652-19150-1-git-send-email-robertcnelson@gmail.com>
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To: u-boot@lists.denx.de
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Cc: Jason Kridner <jkridner@gmail.com>, Tom Rini <trini@konsulko.com>
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Date: Wed, 11 Nov 2015 09:10:52 -0600
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SeeedStudio BeagleBone Green (BBG) is clone of the BeagleBone Black (BBB) minus
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the HDMI port and addition of two Grove connectors (i2c2 and usart2).
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This board can be identified by the 1A value after A335BNLT (BBB) in the at24 eeprom:
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1A: [aa 55 33 ee 41 33 33 35 42 4e 4c 54 1a 00 00 00 |.U3.A335BNLT....|]
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http://beagleboard.org/green
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http://www.seeedstudio.com/wiki/Beaglebone_green
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In Mainline Kernel as of:
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https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79a4e64c679d8a0b1037da174e4aea578c80c4e6
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Patch tested on BeagleBone Black (rev C) and BeagleBone Green (production model)
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Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
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CC: Tom Rini <trini@konsulko.com>
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CC: Jason Kridner <jkridner@gmail.com>
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Reviewed-by: Tom Rini <trini@konsulko.com>
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---
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board/ti/am335x/board.c | 12 +++++++++---
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include/configs/am335x_evm.h | 7 ++++++-
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2 files changed, 15 insertions(+), 4 deletions(-)
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diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
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index f0cb1e2..f56d17e 100644
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--- a/board/ti/am335x/board.c
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+++ b/board/ti/am335x/board.c
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@@ -507,9 +507,15 @@ int board_late_init(void)
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safe_string[sizeof(header.name)] = 0;
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setenv("board_name", safe_string);
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- strncpy(safe_string, (char *)header.version, sizeof(header.version));
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- safe_string[sizeof(header.version)] = 0;
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- setenv("board_rev", safe_string);
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+ /* BeagleBone Green eeprom, board_rev: 0x1a 0x00 0x00 0x00 */
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+ if ( (header.version[0] == 0x1a) && (header.version[1] == 0x00) &&
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+ (header.version[2] == 0x00) && (header.version[3] == 0x00) ) {
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+ setenv("board_rev", "BBG1");
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+ } else {
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+ strncpy(safe_string, (char *)header.version, sizeof(header.version));
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+ safe_string[sizeof(header.version)] = 0;
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+ setenv("board_rev", safe_string);
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+ }
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#endif
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return 0;
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diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
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index d58816d..ed3fd34 100644
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--- a/include/configs/am335x_evm.h
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+++ b/include/configs/am335x_evm.h
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@@ -186,7 +186,12 @@
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"if test $board_name = A335BONE; then " \
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"setenv fdtfile am335x-bone.dtb; fi; " \
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"if test $board_name = A335BNLT; then " \
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- "setenv fdtfile am335x-boneblack.dtb; fi; " \
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+ "if test $board_rev = BBG1; then " \
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+ "setenv fdtfile am335x-bonegreen.dtb; " \
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+ "else " \
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+ "setenv fdtfile am335x-boneblack.dtb; " \
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+ "fi; " \
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+ "fi; " \
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"if test $board_name = A33515BB; then " \
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"setenv fdtfile am335x-evm.dtb; fi; " \
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"if test $board_name = A335X_SK; then " \
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