82xx serial, smc: add configurable SMC Rx buffer len

[u-boot] / README

diff --git a/README b/README
index 522471cf781a55ed85e41e23832e5dfa6edf1aa4..fcadf3f0c65ad17246fbb428e1802cad5e707b0d 100644 (file)
--- a/README
+++ b/README
@@ -484,6 +484,14 @@ The following options need to be configured:
                CONFIG_SYS_BAUDRATE_TABLE, see below.
                CONFIG_SYS_BRGCLK_PRESCALE, baudrate prescale
 
+- Console Rx buffer length
+               With CONFIG_SYS_SMC_RXBUFLEN it is possible to define
+               the maximum receive buffer length for the SMC.
+               This option is actual only for 82xx possible.
+               If using CONFIG_SYS_SMC_RXBUFLEN also CONFIG_SYS_MAXIDLE
+               must be defined, to setup the maximum idle timeout for
+               the SMC.
+
 - Interrupt driven serial port input:
                CONFIG_SERIAL_SOFTWARE_FIFO