]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - README
Revert "Add board_pre_console_putc to deal with early console output"
[karo-tx-uboot.git] / README
diff --git a/README b/README
index 1f8bd204955c0c920a0c390459ea50beb7984bcf..b69a3b6f6edc96c58491249d0f6665d07ea31987 100644 (file)
--- a/README
+++ b/README
@@ -644,23 +644,6 @@ The following options need to be configured:
                'Sane' compilers will generate smaller code if
                CONFIG_PRE_CON_BUF_SZ is a power of 2
 
-- Pre-console putc():
-               Prior to the console being initialised, console output is
-               normally silently discarded. This can be annoying if a
-               panic() happens in this time.
-
-               If the CONFIG_PRE_CONSOLE_PUTC option is defined, then
-               U-Boot will call board_pre_console_putc() for each output
-               character in this case, This function should try to output
-               the character if possible, perhaps on all available UARTs
-               (it will need to do this directly, since the console code
-               is not functional yet). Note that if the panic happens
-               early enough, then it is possible that board_init_f()
-               (or even arch_cpu_init() on ARM) has not been called yet.
-               You should init all clocks, GPIOs, etc. that are needed
-               to get the character out. Baud rates will need to default
-               to something sensible.
-
 - Safe printf() functions
                Define CONFIG_SYS_VSNPRINTF to compile in safe versions of
                the printf() functions. These are defined in