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Diffstat (limited to 'arch/mips/bcm47xx/setup.c')
| -rw-r--r-- | arch/mips/bcm47xx/setup.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c new file mode 100644 index 000000000000..dfc580aae958 --- /dev/null +++ b/arch/mips/bcm47xx/setup.c @@ -0,0 +1,79 @@ +/* + * 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/reboot.h> +#include <asm/time.h> +#include <bcm47xx.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 int bcm47xx_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv) +{ + /* TODO: fill ssb_init_invariants using boardtype/boardrev + * CFE environment variables. + */ + 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; +} + |