[MIPS] Add support for BCM47XX CPUs.
Note that the BCM4710 does not support the wait instruction, this
is not a mistake in the code.
It originally comes from the OpenWrt patches.
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Florian Schirmer <jolt@tuxbox.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c
new file mode 100644
index 0000000..dfc580a
--- /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;
+}
+