| Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> |
| 3 | * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org> |
| 4 | * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> |
| 5 | * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License as published by the |
| 9 | * Free Software Foundation; either version 2 of the License, or (at your |
| 10 | * option) any later version. |
| 11 | * |
| 12 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 13 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 14 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 15 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 16 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 17 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 18 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 19 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 20 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 21 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License along |
| 24 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 25 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 26 | */ |
| 27 | |
| 28 | #include <linux/types.h> |
| 29 | #include <linux/ssb/ssb.h> |
| 30 | #include <asm/reboot.h> |
| 31 | #include <asm/time.h> |
| 32 | #include <bcm47xx.h> |
| 33 | |
| 34 | struct ssb_bus ssb_bcm47xx; |
| 35 | EXPORT_SYMBOL(ssb_bcm47xx); |
| 36 | |
| 37 | static void bcm47xx_machine_restart(char *command) |
| 38 | { |
| 39 | printk(KERN_ALERT "Please stand by while rebooting the system...\n"); |
| 40 | local_irq_disable(); |
| 41 | /* Set the watchdog timer to reset immediately */ |
| 42 | ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1); |
| 43 | while (1) |
| 44 | cpu_relax(); |
| 45 | } |
| 46 | |
| 47 | static void bcm47xx_machine_halt(void) |
| 48 | { |
| 49 | /* Disable interrupts and watchdog and spin forever */ |
| 50 | local_irq_disable(); |
| 51 | ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0); |
| 52 | while (1) |
| 53 | cpu_relax(); |
| 54 | } |
| 55 | |
| 56 | static int bcm47xx_get_invariants(struct ssb_bus *bus, |
| 57 | struct ssb_init_invariants *iv) |
| 58 | { |
| 59 | /* TODO: fill ssb_init_invariants using boardtype/boardrev |
| 60 | * CFE environment variables. |
| 61 | */ |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | void __init plat_mem_setup(void) |
| 66 | { |
| 67 | int err; |
| 68 | |
| 69 | err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, |
| 70 | bcm47xx_get_invariants); |
| 71 | if (err) |
| 72 | panic("Failed to initialize SSB bus (err %d)\n", err); |
| 73 | |
| 74 | _machine_restart = bcm47xx_machine_restart; |
| 75 | _machine_halt = bcm47xx_machine_halt; |
| 76 | pm_power_off = bcm47xx_machine_halt; |
| 77 | board_time_init = bcm47xx_time_init; |
| 78 | } |
| 79 | |