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1c0c13eb AJ |
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 |