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| author | Peter Robinson <pbrobinson@gmail.com> | 2018-06-10 06:17:46 +0100 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2018-07-06 09:12:39 -0700 |
| commit | 84996795c2f81cbfac210b6f2c168c5fb06a7a20 (patch) | |
| tree | 685e02e67a7eb3939ede48a84eefdb179401db25 /doc | |
| parent | 4ac5df4b41ba46d7e635bdd8d500721c642b0a0d (diff) | |
| download | u-boot-84996795c2f81cbfac210b6f2c168c5fb06a7a20.tar.gz u-boot-84996795c2f81cbfac210b6f2c168c5fb06a7a20.tar.bz2 u-boot-84996795c2f81cbfac210b6f2c168c5fb06a7a20.zip | |
tegra: nyan-big: Update CONFIG_SYS_TEXT to the default in README.chromium
To build U-Boot on a Nyan Big Chromebook the docs outline adjusting the Tegra124
defined CONFIG_SYS_TEXT_BASE but this has since been moved to individual config
files. We should have the default required for U-Boot chain loading on the
chromebook as the default CONFIG_SYS_TEXT_BASE and update the docs to remove
this now non required step.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.chromium | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/doc/README.chromium b/doc/README.chromium index 7bf4d87447..45eaeced2d 100644 --- a/doc/README.chromium +++ b/doc/README.chromium @@ -43,26 +43,13 @@ https://git.collabora.com/cgit/user/tomeu/u-boot.git/commit/?h=nyan-big https://lists.denx.de/pipermail/u-boot/2017-May/289491.html https://github.com/chromeos-nvidia-androidtv/gnu-linux-on-acer-chromebook-13#copy-data-to-the-sd-card -1. Patch U-Boot - -Open include/configs/tegra124-common.h - -Change: - -#define CONFIG_SYS_TEXT_BASE 0x80110000 - -to: - -#define CONFIG_SYS_TEXT_BASE 0x81000100 - - -2. Build U-Boot +1. Build U-Boot mkdir b make -j8 O=b/nyan-big CROSS_COMPILE=arm-linux-gnueabi- nyan-big_defconfig all -3. Select a .its file +2. Select a .its file Select something from doc/chromium which matches your board, or create your own. @@ -72,7 +59,7 @@ used by U-Boot. This is because the Chromebook expects to pass it to the kernel, and crashes if it is not present. -4. Build and sign an image +3. Build and sign an image ./b/nyan-big/tools/mkimage -f doc/chromium/nyan-big.its u-boot-chromium.fit echo test >dummy.txt @@ -82,7 +69,7 @@ kernel, and crashes if it is not present. --bootloader dummy.txt --pack u-boot.kpart -5. Prepare an SD card +4. Prepare an SD card DISK=/dev/sdc # Replace with your actual SD card device sudo cgpt create $DISK @@ -91,12 +78,12 @@ kernel, and crashes if it is not present. sudo gdisk $DISK # Enter command 'w' to write a protective MBR to the disk -6. Write U-Boot to the SD card +5. Write U-Boot to the SD card sudo dd if=u-boot.kpart of=/dev/sdc1; sync -7. Start it up +6. Start it up Reboot the device in dev mode. Make sure that you have USB booting enabled. To do this, login as root (via Ctrl-Alt-forward_arrow) and type @@ -115,7 +102,7 @@ mode screen. It should show something like the following on the display: Tegra124 (Nyan-big) # -8. Known problems +7. Known problems On the serial console the word MMC is chopped at the start of the line: |