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xianfeng |
/*
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* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
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* Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
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* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/types.h>
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#include <linux/ssb/ssb.h>
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#include <asm/bootinfo.h>
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#include <asm/reboot.h>
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#include <asm/time.h>
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#include <bcm47xx.h>
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#include <asm/fw/cfe/cfe_api.h>
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struct ssb_bus ssb_bcm47xx;
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EXPORT_SYMBOL(ssb_bcm47xx);
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static void bcm47xx_machine_restart(char *command)
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{
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printk(KERN_ALERT "Please stand by while rebooting the system...\n");
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local_irq_disable();
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/* Set the watchdog timer to reset immediately */
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ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
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while (1)
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cpu_relax();
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}
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static void bcm47xx_machine_halt(void)
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{
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/* Disable interrupts and watchdog and spin forever */
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local_irq_disable();
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ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
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while (1)
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cpu_relax();
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}
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static void str2eaddr(char *str, char *dest)
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{
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int i = 0;
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if (str == NULL) {
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memset(dest, 0, 6);
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return;
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}
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for (;;) {
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dest[i++] = (char) simple_strtoul(str, NULL, 16);
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str += 2;
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if (!*str++ || i == 6)
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break;
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}
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}
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static int bcm47xx_get_invariants(struct ssb_bus *bus,
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struct ssb_init_invariants *iv)
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{
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char buf[100];
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/* Fill boardinfo structure */
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memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
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if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
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iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
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if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
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iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
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if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
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iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
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/* Fill sprom structure */
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memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
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iv->sprom.revision = 3;
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if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
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str2eaddr(buf, iv->sprom.r1.et0mac);
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if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
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str2eaddr(buf, iv->sprom.r1.et1mac);
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if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
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iv->sprom.r1.et0phyaddr = simple_strtoul(buf, NULL, 10);
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if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
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iv->sprom.r1.et1phyaddr = simple_strtoul(buf, NULL, 10);
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if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
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iv->sprom.r1.et0mdcport = simple_strtoul(buf, NULL, 10);
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if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
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iv->sprom.r1.et1mdcport = simple_strtoul(buf, NULL, 10);
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return 0;
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}
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void __init plat_mem_setup(void)
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{
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int err;
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err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
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bcm47xx_get_invariants);
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if (err)
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panic("Failed to initialize SSB bus (err %d)\n", err);
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_machine_restart = bcm47xx_machine_restart;
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_machine_halt = bcm47xx_machine_halt;
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pm_power_off = bcm47xx_machine_halt;
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}
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