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Diffstat (limited to 'c/src/lib/libchip/serial/README.mc68681')
-rw-r--r-- | c/src/lib/libchip/serial/README.mc68681 | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/c/src/lib/libchip/serial/README.mc68681 b/c/src/lib/libchip/serial/README.mc68681 deleted file mode 100644 index 240faf759b..0000000000 --- a/c/src/lib/libchip/serial/README.mc68681 +++ /dev/null @@ -1,87 +0,0 @@ -# -# $Id$ -# - -Configuration Table Use -======================= - -sDeviceName - - The name of this device. - -deviceType - - This field must be SERIAL_MC68681. - -pDeviceFns - - The device interface control table. This may be: - + mc68681_fns for interrupt driven IO - + mc68681_fns_polled for polled IO - -deviceProbe - - This is the address of the routine which probes to see if the device - is present. - -pDeviceFlow - - This field is ignored as hardware flow control is not currently supported. - -ulMargin - - This is currently unused. - -ulHysteresis - - This is currently unused. - -pDeviceParams - - This is set to the default settings. - -ulCtrlPort1 - - This field is the base address of the entire DUART. - -ulCtrlPort2 - - This field is the base address of the port specific registers. - -ulDataPort - - This field is bit mapped as follows: - bit 0: baud rate set a or b - bit 1-2: BRG selection ("Select Extend bit") - - Note: If both ports on single DUART are not configured for the same - baud rate set, then unexpected results will occur. - - Note: On the Exar 88c681, if a standard clock of 3.6864 Mhz is used - and the "Select Extend bit" is 0 (disabled), then the default - MC68681 baud rate table is selected. - -getRegister -setRegister - - These follow standard conventions. - -getData -setData - - These are unused since the TX and RX data registers can be accessed - as regular registers. - -ulClock - - This is a pointer to a baud rate mapping table. If set to - mc68681_baud_rate_table, then the CSR/ACR/X bit mappings shown - in the 68681 and 88681 manuals are used. Otherwise, the board - specific baud rate mapping is used. - - NULL is not a valid value. - -ulIntVector - - This is the interrupt vector number associated with this chip. - |