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Diffstat (limited to 'README')
| -rw-r--r-- | README | 14 |
1 files changed, 14 insertions, 0 deletions
@@ -619,6 +619,20 @@ The following options need to be configured: must be defined, to setup the maximum idle timeout for the SMC. +- Pre-Console Buffer: + Prior to the console being initialised (i.e. serial UART + initialised etc) all console output is silently discarded. + Defining CONFIG_PRE_CONSOLE_BUFFER will cause U-Boot to + buffer any console messages prior to the console being + initialised to a buffer of size CONFIG_PRE_CON_BUF_SZ + bytes located at CONFIG_PRE_CON_BUF_ADDR. The buffer is + a circular buffer, so if more than CONFIG_PRE_CON_BUF_SZ + bytes are output before the console is initialised, the + earlier bytes are discarded. + + 'Sane' compilers will generate smaller code if + CONFIG_PRE_CON_BUF_SZ is a power of 2 + - Boot Delay: CONFIG_BOOTDELAY - in seconds Delay before automatically booting the default image; set to -1 to disable autoboot. |