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authorJayachandran C <jayachandranc@netlogicmicro.com>2011-11-11 12:38:29 +0100
committerRalf Baechle <ralf@linux-mips.org>2011-12-07 23:04:55 +0100
commit0c9654072a6e15aa3da9b314f0c5c01e90938268 (patch)
tree865bbcf93aac081b15bf38604384e4bf7620024b /arch/mips/netlogic/xlr/wakeup.c
parentMIPS: Netlogic: No need to set -Werror in mips/xlr (diff)
downloadlinux-0c9654072a6e15aa3da9b314f0c5c01e90938268.tar.xz
linux-0c9654072a6e15aa3da9b314f0c5c01e90938268.zip
MIPS: Netlogic: Move code common with XLP to common/
- Move code that can be shared with XLP (irq.c, smp.c, time.c and xlr_console.c) to arch/mips/netlogic/common - Add asm/netlogic/haldefs.h and asm/netlogic/common.h for common and io functions shared with XLP - remove type 'nlm_reg_t *' and use uint64_t for mmio offsets - Move XLR specific code in smp.c to xlr/wakeup.c - Move XLR specific PCI code from irq.c to mips/pci/pci-xlr.c - Provide API for pic functions called from common/irq.c Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2964/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic/xlr/wakeup.c')
-rw-r--r--arch/mips/netlogic/xlr/wakeup.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlr/wakeup.c b/arch/mips/netlogic/xlr/wakeup.c
new file mode 100644
index 000000000000..69143bb7f688
--- /dev/null
+++ b/arch/mips/netlogic/xlr/wakeup.c
@@ -0,0 +1,71 @@
+/*
+ * 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/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/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+
+unsigned long secondary_entry_point;
+
+int __cpuinit nlm_wakeup_secondary_cpus(u32 wakeup_mask)
+{
+ unsigned int i, boot_cpu;
+ void *reset_vec;
+
+ secondary_entry_point = (unsigned long)prom_pre_boot_secondary_cpus;
+ reset_vec = (void *)CKSEG1ADDR(0x1fc00000);
+ memcpy(reset_vec, (void *)nlm_reset_entry,
+ (nlm_reset_entry_end - nlm_reset_entry));
+ boot_cpu = hard_smp_processor_id();
+
+ for (i = 0; i < NR_CPUS; i++) {
+ if (i == boot_cpu || (wakeup_mask & (1u << i)) == 0)
+ continue;
+ nlm_pic_send_ipi(nlm_pic_base, i, 1, 1); /* send NMI */
+ }
+
+ return 0;
+}