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authorDarren Hart <dvhart@linux.intel.com>2011-05-25 10:20:01 -0700
committerSaul Wold <sgw@linux.intel.com>2011-05-25 16:21:51 -0700
commit2458da25a83df9dc8d849ccf3de7f80fb194a33a (patch)
tree3254e78b5e21d629675da7c73f8b67aec83d613c /README.hardware
parent5d56586a00350f2ec90a7143182a3f1294fb4c73 (diff)
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README.hardware: update installation instructions for beagleboard
o Add C4 specific instructions o Replace poky with core o Correct a kernel version typo o Clarify some language to avoid confusion encountered during testing Signed-off-by: Darren Hart <dvhart@linux.intel.com> Cc: Zhao Yi <yi.zhao@windriver.com> Cc: Bruce Ashfield <bruce.ashfield@windriver.com> Cc: Jeff Osier-mixon <jeffrey.osier-mixon@intel.com> Cc: Koen Kooi <koen@dominion.thruhere.net>
Diffstat (limited to 'README.hardware')
-rw-r--r--README.hardware44
1 files changed, 28 insertions, 16 deletions
diff --git a/README.hardware b/README.hardware
index b895f8fa13..36029577a4 100644
--- a/README.hardware
+++ b/README.hardware
@@ -149,15 +149,26 @@ The Beagleboard is an ARM Cortex-A8 development board with USB, DVI-D, S-Video,
faster CPU, more RAM, an ethernet port, more USB ports, microSD, and removes
the NAND flash. The beagleboard MACHINE is tested on the following platforms:
- o Beagleboard xM
+ o Beagleboard C4
+ o Beagleboard xM Rev A
-TODO: need someone with a Beagleboard C4 to verify these instructions.
+The Beagleboard C4 has NAND, while the xM does not. For the sake of simplicity,
+these instructions assume you have erased the NAND on the C4 so its boot
+behavior matches that of the xM. To do this, issue the following commands from
+the u-boot prompt (note that the unlock may be unecessary depending on the
+version of u-boot installed on your board and only one of the erase commands
+will succeed):
-Due to the lack of NAND on the xM, the install and boot process varies a bit
-between boards. The C4 can run the x-loader and u-boot binaries from NAND or
-the SD, while the xM can only run them from the SD. The following instructions
-apply to both the C4 and the xM, but the C4 can skip step 2 (as noted below),
-and may require modification of the NAND environment.
+ # nand unlock
+ # nand erase
+ # nand erase.chip
+
+To further tailor these instructions for your board, please refer to the
+documentation at http://www.beagleboard.org.
+
+From a Linux system with access to the image files perform the following steps
+as root, replacing mmcblk0* with the SD card device on your machine (such as sdc
+if used via a usb card reader):
1. Partition and format an SD card:
# fdisk -lu /dev/mmcblk0
@@ -173,14 +184,14 @@ and may require modification of the NAND environment.
# mkfs.vfat -F 16 -n "boot" /dev/mmcblk0p1
# mke2fs -j -L "root" /dev/mmcblk0p2
- The following assumes the SD card partition 1 and 2 are mounted at
- /media/boot and /media/root respectively. The files referenced here
- are made available after the build in build/tmp/deploy/images.
+ The following assumes the SD card partition 1 and 2 are mounted at
+ /media/boot and /media/root respectively. Removing the card and reinserting
+ it will do just that on most modern Linux desktop environments.
+
+ The files referenced below are made available after the build in
+ build/tmp/deploy/images.
2. Install the boot loaders
- This step can be omitted for the C4 as it can have the x-loader and
- u-boot installed in NAND.
-
# cp MLO-beagleboard /media/boot/MLO
# cp u-boot-beagleboard.bin /media/boot/u-boot.bin
@@ -205,14 +216,15 @@ and may require modification of the NAND environment.
boot
EOF
) > serial-boot.cmd
- # mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "Poky Minimal" -d ./serial-boot.cmd ./boot.scr
+ # mkimage -A arm -O linux -T script -C none -a 0 -e 0 -n "Core Minimal" -d ./serial-boot.cmd ./boot.scr
# cp boot.scr /media/boot
- 6. Unmount the SD partitions and boot the Beagleboard
+ 6. Unmount the SD partitions, insert the SD card into the Beagleboard, and
+ boot the Beagleboard
Note: As of the 2.6.37 linux-yocto kernel recipe, the Beagleboard uses the
OMAP_SERIAL device (ttyO2). If you are using an older kernel, such as the
- 2.6.35 linux-yocto-stable, be sure replace ttyO2 with ttyS2 above. You
+ 2.6.34 linux-yocto-stable, be sure to replace ttyO2 with ttyS2 above. You
should also override the machine SERIAL_CONSOLE in your local.conf in
order to setup the getty on the serial line: