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/*
* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
* Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/types.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
#include <bcm47xx.h>
#include <asm/mach-bcm47xx/nvram.h>
struct ssb_bus ssb_bcm47xx;
EXPORT_SYMBOL(ssb_bcm47xx);
static void bcm47xx_machine_restart(char *command)
{
printk(KERN_ALERT "Please stand by while rebooting the system...\n");
local_irq_disable();
/* Set the watchdog timer to reset immediately */
ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
while (1)
cpu_relax();
}
static void bcm47xx_machine_halt(void)
{
/* Disable interrupts and watchdog and spin forever */
local_irq_disable();
ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
while (1)
cpu_relax();
}
static void str2eaddr(char *str, char *dest)
{
int i = 0;
if (str == NULL) {
memset(dest, 0, 6);
return;
}
for (;;) {
dest[i++] = (char) simple_strtoul(str, NULL, 16);
str += 2;
if (!*str++ || i == 6)
break;
}
}
static int bcm47xx_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv)
{
char buf[100];
/* Fill boardinfo structure */
memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
/* Fill sprom structure */
memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
iv->sprom.revision = 3;
if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
str2eaddr(buf, iv->sprom.et0mac);
if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
str2eaddr(buf, iv->sprom.et1mac);
if (nvram_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 0);
if (nvram_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 0);
if (nvram_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
if (nvram_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
return 0;
}
void __init plat_mem_setup(void)
{
int err;
err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
bcm47xx_get_invariants);
if (err)
panic("Failed to initialize SSB bus (err %d)\n", err);
_machine_restart = bcm47xx_machine_restart;
_machine_halt = bcm47xx_machine_halt;
pm_power_off = bcm47xx_machine_halt;
}
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