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>
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.
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.
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.
28 #include <linux/types.h>
29 #include <linux/ssb/ssb.h>
30 #include <asm/bootinfo.h>
31 #include <asm/reboot.h>
34 #include <asm/fw/cfe/cfe_api.h>
36 struct ssb_bus ssb_bcm47xx;
37 EXPORT_SYMBOL(ssb_bcm47xx);
39 static void bcm47xx_machine_restart(char *command)
41 printk(KERN_ALERT "Please stand by while rebooting the system...\n");
43 /* Set the watchdog timer to reset immediately */
44 ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
49 static void bcm47xx_machine_halt(void)
51 /* Disable interrupts and watchdog and spin forever */
53 ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
58 static void str2eaddr(char *str, char *dest)
68 dest[i++] = (char) simple_strtoul(str, NULL, 16);
70 if (!*str++ || i == 6)
75 static int bcm47xx_get_invariants(struct ssb_bus *bus,
76 struct ssb_init_invariants *iv)
80 /* Fill boardinfo structure */
81 memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
83 if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
84 iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
85 if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
86 iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
87 if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
88 iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
90 /* Fill sprom structure */
91 memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
92 iv->sprom.revision = 3;
94 if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
95 str2eaddr(buf, iv->sprom.r1.et0mac);
96 if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
97 str2eaddr(buf, iv->sprom.r1.et1mac);
98 if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
99 iv->sprom.r1.et0phyaddr = simple_strtoul(buf, NULL, 10);
100 if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
101 iv->sprom.r1.et1phyaddr = simple_strtoul(buf, NULL, 10);
102 if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
103 iv->sprom.r1.et0mdcport = simple_strtoul(buf, NULL, 10);
104 if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
105 iv->sprom.r1.et1mdcport = simple_strtoul(buf, NULL, 10);
110 void __init plat_mem_setup(void)
114 err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
115 bcm47xx_get_invariants);
117 panic("Failed to initialize SSB bus (err %d)\n", err);
119 _machine_restart = bcm47xx_machine_restart;
120 _machine_halt = bcm47xx_machine_halt;
121 pm_power_off = bcm47xx_machine_halt;