forked from luck/tmp_suning_uos_patched
25e5fb9741
Add CFE support to the BCM47XX code. That includes querying CFE environment
variables as well as using CFE to print messages before the serial port is
initialized (early printk).
Signed-off-by: Aurelien Jarno <aurel32@farad.aurel32.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
125 lines
4.0 KiB
C
125 lines
4.0 KiB
C
/*
|
|
* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
|
|
* Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
|
|
* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
|
|
* Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
|
|
*
|
|
* 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 <asm/bootinfo.h>
|
|
#include <asm/reboot.h>
|
|
#include <asm/time.h>
|
|
#include <bcm47xx.h>
|
|
#include <asm/fw/cfe/cfe_api.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_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
|
|
while (1)
|
|
cpu_relax();
|
|
}
|
|
|
|
static void bcm47xx_machine_halt(void)
|
|
{
|
|
/* Disable interrupts and watchdog and spin forever */
|
|
local_irq_disable();
|
|
ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 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 (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
|
|
iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
|
|
if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
|
|
iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
|
|
if (cfe_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 (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
|
|
str2eaddr(buf, iv->sprom.r1.et0mac);
|
|
if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
|
|
str2eaddr(buf, iv->sprom.r1.et1mac);
|
|
if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
|
|
iv->sprom.r1.et0phyaddr = simple_strtoul(buf, NULL, 10);
|
|
if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
|
|
iv->sprom.r1.et1phyaddr = simple_strtoul(buf, NULL, 10);
|
|
if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
|
|
iv->sprom.r1.et0mdcport = simple_strtoul(buf, NULL, 10);
|
|
if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
|
|
iv->sprom.r1.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;
|
|
board_time_init = bcm47xx_time_init;
|
|
}
|
|
|