Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3

* commit 'v3.3-rc1': (9775 commits)
  Linux 3.3-rc1
  x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
  qnx4: don't leak ->BitMap on late failure exits
  qnx4: reduce the insane nesting in qnx4_checkroot()
  qnx4: di_fname is an array, for crying out loud...
  KEYS: Permit key_serial() to be called with a const key pointer
  keys: fix user_defined key sparse messages
  ima: fix cred sparse warning
  uml: fix compile for x86-64
  MPILIB: Add a missing ENOMEM check
  tpm: fix (ACPI S3) suspend regression
  nvme: fix merge error due to change of 'make_request_fn' fn type
  xen: using EXPORT_SYMBOL requires including export.h
  gpio: tps65910: Use correct offset for gpio initialization
  acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
  intel_idle: Split up and provide per CPU initialization func
  ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
  tg3: Fix single-vector MSI-X code
  openvswitch: Fix multipart datapath dumps.
  ipv6: fix per device IP snmp counters
  ...

1 files changed, 102 insertions, 0 deletions

diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c
new file mode 100644
index 000000000000..44d923ff3846
--- /dev/null
+++ b/arch/mips/netlogic/xlp/wakeup.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
+ * reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the NetLogic
+ * license below:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``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 NETLOGIC OR CONTRIBUTORS 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.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/threads.h>
+
+#include <asm/asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/mipsregs.h>
+#include <asm/addrspace.h>
+#include <asm/string.h>
+
+#include <asm/netlogic/haldefs.h>
+#include <asm/netlogic/common.h>
+#include <asm/netlogic/mips-extns.h>
+
+#include <asm/netlogic/xlp-hal/iomap.h>
+#include <asm/netlogic/xlp-hal/pic.h>
+#include <asm/netlogic/xlp-hal/xlp.h>
+#include <asm/netlogic/xlp-hal/sys.h>
+
+static void xlp_enable_secondary_cores(void)
+{
+	uint32_t core, value, coremask, syscoremask;
+	int count;
+
+	/* read cores in reset from SYS block */
+	syscoremask = nlm_read_sys_reg(nlm_sys_base, SYS_CPU_RESET);
+
+	/* update user specified */
+	nlm_coremask = nlm_coremask & (syscoremask | 1);
+
+	for (core = 1; core < 8; core++) {
+		coremask = 1 << core;
+		if ((nlm_coremask & coremask) == 0)
+			continue;
+
+		/* Enable CPU clock */
+		value = nlm_read_sys_reg(nlm_sys_base, SYS_CORE_DFS_DIS_CTRL);
+		value &= ~coremask;
+		nlm_write_sys_reg(nlm_sys_base, SYS_CORE_DFS_DIS_CTRL, value);
+
+		/* Remove CPU Reset */
+		value = nlm_read_sys_reg(nlm_sys_base, SYS_CPU_RESET);
+		value &= ~coremask;
+		nlm_write_sys_reg(nlm_sys_base, SYS_CPU_RESET, value);
+
+		/* Poll for CPU to mark itself coherent */
+		count = 100000;
+		do {
+			value = nlm_read_sys_reg(nlm_sys_base,
+			    SYS_CPU_NONCOHERENT_MODE);
+		} while ((value & coremask) != 0 && count-- > 0);
+
+		if (count == 0)
+			pr_err("Failed to enable core %d\n", core);
+	}
+}
+
+void xlp_wakeup_secondary_cpus(void)
+{
+	/*
+	 * In case of u-boot, the secondaries are in reset
+	 * first wakeup core 0 threads
+	 */
+	xlp_boot_core0_siblings();
+
+	/* now get other cores out of reset */
+	xlp_enable_secondary_cores();
+}