/* $NetBSD: autoconf.c,v 1.10 2022/02/12 03:24:34 riastradh Exp $ */

/* $NetBSD: autoconf.c,v 1.10 2022/02/12 03:24:34 riastradh Exp $ */

/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.10 2022/02/12 03:24:34 riastradh Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/conf.h>
#include <sys/device.h>

#include <net/if_ether.h>

#include <mips/cpu.h>
#include <mips/locore.h>

#include <evbmips/cavium/octeon_uboot.h>

static void findroot(void);

void
cpu_configure(void)
{

intr_init();

/* Kick off autoconfiguration. */
(void)splhigh();
if (config_rootfound("mainbus", NULL) == NULL)
panic("no mainbus found");

/* XXX need this? */
(void)spl0();
KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE);
}

void
cpu_rootconf(void)
{

#ifndef MEMORY_DISK_IS_ROOT
findroot();
#endif

printf("boot device: %s\n",
booted_device ? device_xname(booted_device) : "<unknown>");

rootconf();
}

extern int netboot;

static void
findroot(void)
{
device_t dv;
deviter_t di;

if (booted_device)
return;

if (rootspec && *rootspec) {
/* if we get passed root=octethN, convert to cnmacN */
if (strncmp(rootspec, "octeth", 6) == 0) {
/* allow for up to 100 interfaces */
static char buf[sizeof("cnmacXX")];
const char *cp = &rootspec[strlen("octeth")];

KASSERT(strlen(cp) < sizeof("XX"));
snprintf(buf, sizeof(buf), "cnmac%s", cp);
rootspec = buf;
}

/* XXX hard coded "cnmac" for network boot */
if (strncmp(rootspec, "cnmac", 5) == 0) {
rootfstype = "nfs";
netboot = 1;
return;
}

/*
* XXX
* Assume that if the root spec is not a cnmac, it'll
* be a sd. handled below. Should be fixed to handle
* multiple sd devices.
*/
}

if (netboot == 0) {
/* if no root device specified, default to a "sd" device */
for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
dv = deviter_next(&di)) {
if (device_class(dv) == DV_DISK &&
device_is_a(dv, "sd"))
booted_device = dv;
}
deviter_release(&di);
}

/*
* XXX Match up MBR boot specification with BSD disklabel for root?
*/
booted_partition = 0;

return;
}

static void
prop_set_cnmac(device_t dev)
{
prop_dictionary_t dict = device_properties(dev);
prop_data_t pd;
prop_number_t pn;
uint8_t enaddr[ETHER_ADDR_LEN];
uint32_t mac_lo;
int unit = device_unit(dev);

/* ethernet mac address */
memcpy(enaddr, octeon_btinfo.obt_mac_addr_base,
sizeof(enaddr));
mac_lo = enaddr[3] << 16;
mac_lo += enaddr[4] << 8;
mac_lo += enaddr[5];
KASSERT(unit < octeon_btinfo.obt_mac_addr_count);
mac_lo += unit;
enaddr[3] = (mac_lo >> 16) & 0xff;
enaddr[4] = (mac_lo >> 8) & 0xff;
enaddr[5] = mac_lo & 0xff;
pd = prop_data_create_copy(enaddr, ETHER_ADDR_LEN);
KASSERT(pd != NULL);
prop_dictionary_set_and_rel(dict, "mac-address", pd);

/* ethernet phy address */
switch (octeon_btinfo.obt_board_type) {
case BOARD_TYPE_UBIQUITI_E100:
case BOARD_TYPE_UBIQUITI_E120:
pn = prop_number_create_signed(7 - unit);
break;
case BOARD_TYPE_UBIQUITI_E300:
pn = prop_number_create_signed(4 + device_unit(dev));
break;
default:
pn = prop_number_create_signed(-1);
break;
}
KASSERT(pn != NULL);
prop_dictionary_set_and_rel(dict, "phy-addr", pn);
}

static void
prop_set_octeon_gmx(device_t dev)
{
prop_dictionary_t dict = device_properties(dev);
prop_number_t tx, rx;

/* ethernet rgmii phy dependent timing parameters. */
tx = rx = NULL;
switch (octeon_btinfo.obt_board_type) {
case BOARD_TYPE_UBIQUITI_E100:
case BOARD_TYPE_UBIQUITI_E120:
tx = prop_number_create_signed(16);
rx = prop_number_create_signed(0);
break;
}
if (tx)
prop_dictionary_set_and_rel(dict, "rgmii-tx", tx);
if (rx)
prop_dictionary_set_and_rel(dict, "rgmii-rx", rx);
}

void
device_register(device_t dev, void *aux)
{

if ((booted_device == NULL) && (netboot == 1))
if (device_class(dev) == DV_IFNET)
booted_device = dev;

if (device_is_a(dev, "cnmac")) {
prop_set_cnmac(dev);
} else if (device_is_a(dev, "octgmx")) {
prop_set_octeon_gmx(dev);
}
}