X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=3b406c2820049ad9f2f64ca9e844b6aacd57b8be;hb=3d0158ae18bef2ac89979f4c90419d3add436c71;hp=ee65fdb4c6666c5fef1fed2d4abc9e8a740ea471;hpb=cc555bd4f40a652471df4a3621d45ee57df0ca11;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index ee65fdb..3b406c2 100644 --- a/README +++ b/README @@ -948,6 +948,9 @@ The following options need to be configured: bytes are output before the console is initialised, the earlier bytes are discarded. + Note that when printing the buffer a copy is made on the + stack so CONFIG_PRE_CON_BUF_SZ must fit on the stack. + 'Sane' compilers will generate smaller code if CONFIG_PRE_CON_BUF_SZ is a power of 2 @@ -974,8 +977,6 @@ The following options need to be configured: CONFIG_AUTOBOOT_PROMPT CONFIG_AUTOBOOT_DELAY_STR CONFIG_AUTOBOOT_STOP_STR - CONFIG_AUTOBOOT_DELAY_STR2 - CONFIG_AUTOBOOT_STOP_STR2 CONFIG_ZERO_BOOTDELAY_CHECK CONFIG_RESET_TO_RETRY @@ -1873,12 +1874,6 @@ CBFS (Coreboot Filesystem) support boot. See the documentation file README.video for a description of this variable. - CONFIG_VIDEO_VGA - - Enable the VGA video / BIOS for x86. The alternative if you - are using coreboot is to use the coreboot frame buffer - driver. - - Keyboard Support: CONFIG_KEYBOARD @@ -2113,18 +2108,6 @@ CBFS (Coreboot Filesystem) support Some PHY like Intel LXT971A need extra delay after command issued before MII status register can be read -- Ethernet address: - CONFIG_ETHADDR - CONFIG_ETH1ADDR - CONFIG_ETH2ADDR - CONFIG_ETH3ADDR - CONFIG_ETH4ADDR - CONFIG_ETH5ADDR - - Define a default value for Ethernet address to use - for the respective Ethernet interface, in case this - is not determined automatically. - - IP address: CONFIG_IPADDR @@ -2879,8 +2862,8 @@ CBFS (Coreboot Filesystem) support completely disabled. Anybody can change or delete these parameters. - Alternatively, if you #define _both_ CONFIG_ETHADDR - _and_ CONFIG_OVERWRITE_ETHADDR_ONCE, a default + Alternatively, if you define _both_ an ethaddr in the + default env _and_ CONFIG_OVERWRITE_ETHADDR_ONCE, a default Ethernet address is installed in the environment, which can be changed exactly ONCE by the user. [The serial# is unaffected by this, i. e. it remains @@ -4157,6 +4140,10 @@ Configuration Settings: list, simply add an entry for the same variable name to the ".flags" variable. + If CONFIG_REGEX is defined, the variable_name above is evaluated as a + regular expression. This allows multiple variables to define the same + flags without explicitly listing them for each variable. + - CONFIG_ENV_ACCESS_IGNORE_FORCE If defined, don't allow the -f switch to env set override variable access flags. @@ -5479,7 +5466,7 @@ loaded to, and "Flash Location" gives the image's address in NOR flash or offset in NAND flash. *Note* - these variables don't have to be defined for all boards, some -boards currenlty use other variables for these purposes, and some +boards currently use other variables for these purposes, and some boards use these variables for other purposes. Image File Name RAM Address Flash Location @@ -5555,6 +5542,10 @@ override any association in the static list. You can define CONFIG_ENV_CALLBACK_LIST_DEFAULT to a list (string) to define the ".callbacks" environment variable in the default or embedded environment. +If CONFIG_REGEX is defined, the variable_name above is evaluated as a +regular expression. This allows multiple variables to be connected to +the same callback without explicitly listing them all out. + Command Line Parsing: ===================== @@ -5629,7 +5620,8 @@ o If both the SROM and the environment contain a MAC address, and the warning is printed. o If neither SROM nor the environment contain a MAC address, an error - is raised. + is raised. If CONFIG_NET_RANDOM_ETHADDR is defined, then in this case + a random, locally-assigned MAC is used. If Ethernet drivers implement the 'write_hwaddr' function, valid MAC addresses will be programmed into hardware as part of the initialization process. This