path: root/flashrom.8
diff options
Diffstat (limited to 'flashrom.8')
1 files changed, 13 insertions, 1 deletions
diff --git a/flashrom.8 b/flashrom.8
index 47312a0..4372a74 100644
--- a/flashrom.8
+++ b/flashrom.8
@@ -397,7 +397,19 @@ can be any of
(in Hz). The default is the maximum frequency of 8 MHz.
.BR "rayer_spi " programmer
-No parameters defined yet. More information about the hardware is available at
+The default I/O base address used for the parallel port is 0x378 and you can use
+the optional
+.B iobase
+parameter to specify an alternate base I/O address with the
+.B " flashrom \-p rayer_spi:iobase=baseaddr"
+syntax where
+.B baseaddr
+is base I/O port address of the parallel port, which must be a multiple of
+four. Make sure to not forget the "0x" prefix for hexadecimal port addresses.
+More information about the hardware is available at
flashrom exits with 0 on success, 1 on most failures but with 2 if /dev/mem
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