/*
* Copyright (c) 1999, 2000 Matthew R. Green
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* NS Super I/O PC87332VLJ "com" to ebus attachment
*/
/*
* Addresses that should be supplied by the prom:
* - normal com registers
* - ns873xx configuration registers
* - DMA space
* The `com' driver does not use DMA accesses, so we can
* ignore that for now. We should enable the com port in
* the ns873xx registers here. XXX
*
* Use the prom address if there.
*/
for (i = 0; i < ea->ea_nintr; i++)
bus_intr_establish(ea->ea_bustag, ea->ea_intr[i],
IPL_SERIAL, comintr, sc);
kma.kmta_consdev = NULL;
/*
* Figure out if we're the console.
*
* The Fujitsu SPARC Enterprise M4000/M5000/M8000/M9000 has a
* serial port on each I/O board and a pseudo console that is
* redirected to one of these serial ports. The board number
* of the serial port in question is encoded in the "tty-port#"
* property of the pseudo console, so we figure out what our
* board number is by walking up the device tree, and check
* for a match.
*/
node = prom_instance_to_package(prom_stdin());
com_is_input = (ea->ea_node == node);
if (OF_getprop(node, "name", buf, sizeof(buf)) > 0 &&
strcmp(buf, "pseudo-console") == 0) {
port = prom_getpropint(node, "tty-port#", -1);
node = OF_parent(OF_parent(ea->ea_node));
com_is_input = (prom_getpropint(node, "board#", -2) == port);
}
if (com_is_input || com_is_output) {
struct consdev *cn_orig;
/* Record some info to attach console. */
if (strcmp(ea->ea_name, "rsc-console") == 0)
kma.kmta_baud = 115200;
else
kma.kmta_baud = 9600;
kma.kmta_cflag = (CREAD | CS8 | HUPCL);
/* Attach com as the console. */
cn_orig = cn_tab;
if (comcnattach(iot, iobase, kma.kmta_baud,
sc->sc_frequency, COM_TYPE_NORMAL, kma.kmta_cflag)) {
aprint_error("Error: comcnattach failed\n");
}
if (com_is_input) {
cn_orig->cn_dev = cn_tab->cn_dev;
cn_orig->cn_probe = cn_tab->cn_probe;
cn_orig->cn_init = cn_tab->cn_init;
cn_orig->cn_getc = cn_tab->cn_getc;
cn_orig->cn_pollc = cn_tab->cn_pollc;
}
if (com_is_output) {
cn_orig->cn_putc = cn_tab->cn_putc;
}
cn_tab = cn_orig;
kma.kmta_consdev = cn_tab;
}
/*
* Apparently shoving too much data down the TX FIFO on the
* Fujitsu SPARC Enterprise M4000/M5000 causes a hardware
* fault. Avoid this issue by setting the FIFO depth to 1.
* This will effectively disable the TX FIFO, but will still
* enable the RX FIFO, which is what we really care about.
*/
if (OF_getprop(ea->ea_node, "compatible", buf, sizeof(buf)) > 0 &&
strcmp(buf, "FJSV,su") == 0)
sc->sc_fifolen = 1;
/* Now attach the driver */
com_attach_subr(sc);
#if (NKBD > 0) || (NMS > 0)
kma.kmta_tp = sc->sc_tty;
/* If we figure out we're the console we should point this to our consdev */
/* locate the major number */
maj = cdevsw_lookup_major(&com_cdevsw);
/* Attach 'em if we got 'em. */
#if (NKBD > 0)
kma.kmta_name = "keyboard";
if (prom_getproplen(ea->ea_node, kma.kmta_name) == 0) {
config_found(self, (void *)&kma, NULL, CFARGS_NONE);
}
#endif
#if (NMS > 0)
kma.kmta_name = "mouse";
if (prom_getproplen(ea->ea_node, kma.kmta_name) == 0) {
config_found(self, (void *)&kma, NULL, CFARGS_NONE);
}
#endif
#endif
if (kma.kmta_consdev) {
/*
* If we're the keyboard then we need the original
* cn_tab w/prom I/O, which sunkbd copied into kma.
* Otherwise we want conscom which we copied into
* kma.kmta_consdev.
*/
cn_tab = kma.kmta_consdev;
}
}
