summaryrefslogtreecommitdiff
path: root/board/spear
diff options
context:
space:
mode:
authorVipin KUMAR <vipin.kumar@st.com>2012-05-07 13:06:48 +0530
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-07-07 14:07:41 +0200
commit1b7935cd96f2295d5cdf144fa46696fb60a820ef (patch)
tree279b0bcdb938a5b053f45d8b37c7cc8de6acfad9 /board/spear
parent08166e19217cdcfd268760ecb7e94a3b1bdc4783 (diff)
downloadu-boot-imx-1b7935cd96f2295d5cdf144fa46696fb60a820ef.zip
u-boot-imx-1b7935cd96f2295d5cdf144fa46696fb60a820ef.tar.gz
u-boot-imx-1b7935cd96f2295d5cdf144fa46696fb60a820ef.tar.bz2
SPEAr: Change the default environment variables
This patch modifies the default environment variables as: 1. Default bootargs: - console=ttyAMA0,115200 - For environment present in NOR flash root=/dev/mtdblock3 - For environment present in NAND flash root=/dev/mtdblock7 - Removes "mem=" option 2. Introduces CONFIG_EXTRA_ENV_USBTTY as default usbtty env var even when usbtty is not selected 3. Add default definitions for nfsboot and ramboot 4. Add a new default environment variable(CONFIG_EXTRA_ENV_UNLOCK) for SPEAr310 and SPEAr320 Signifacance of CONFIG_EXTRA_ENV_USBTTY: This environment variable is important for flashing utility to work. So if somebody accidently erases the env sector then also this variable must be preserved so that flashing utility functions properly. Signifacance of CONFIG_EXTRA_ENV_UNLOCK: This env variable is read by the cfi driver to unlock all flash sectors. This is necessary because the Parallel NOR flash connected on the spear310 and spear320 boards, M28W64, has all its sectors in locked state at reset and these have to be unlocked explicitly before being erased or written. Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Amit Virdi <amit.virdi@st.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/spear')
0 files changed, 0 insertions, 0 deletions