serial: earlycon: Add support for big-endian MMIO accesses

Support command line parameters of the form:
earlycon=<name>,io|mmio|mmio32|mmio32be,<addr>,<options>

This commit seem to be needed even after commit:
serial: 8250: Add support for big-endian MMIO accesses
c627f2ceb692e8a9358b64ac2d139314e7bb0d17

Signed-off-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 61ab1628a057..55bb093a08a3 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -959,14 +959,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                 uart[8250],io,<addr>[,options]
                 uart[8250],mmio,<addr>[,options]
                 uart[8250],mmio32,<addr>[,options]
+                uart[8250],mmio32be,<addr>[,options]
                 uart[8250],0x<addr>[,options]
                         Start an early, polled-mode console on the 8250/16550
                         UART at the specified I/O port or MMIO address.
                         MMIO inter-register address stride is either 8-bit
-                        (mmio) or 32-bit (mmio32).
-                        If none of [io|mmio|mmio32], <addr> is assumed to be
-                        equivalent to 'mmio'. 'options' are specified in the
-                        same format described for "console=ttyS<n>"; if
+                        (mmio) or 32-bit (mmio32 or mmio32be).
+                        If none of [io|mmio|mmio32|mmio32be], <addr> is assumed
+                        to be equivalent to 'mmio'. 'options' are specified
+                        in the same format described for "console=ttyS<n>"; if
                         unspecified, the h/w is not initialized.
 
                 pl011,<addr>