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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-15 23:16:07 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-15 23:16:07 +0100
commit2502991560dc8244dbe10e48473d85722c1e2ec1 (patch)
tree63b1f3be2ed56ff06f1e8db709e4ce85d69c3add /arch/mips/include/asm/mach-malta/kernel-entry-init.h
parent7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (diff)
parenta9ff8f6462635c8d9f8d64b7b10ddcea8404d77b (diff)
Merge branch 'fixes' into for-linus
Conflicts: arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/mips/include/asm/mach-malta/kernel-entry-init.h')
-rw-r--r--arch/mips/include/asm/mach-malta/kernel-entry-init.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-malta/kernel-entry-init.h b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
new file mode 100644
index 00000000000..0b793e7bf67
--- /dev/null
+++ b/arch/mips/include/asm/mach-malta/kernel-entry-init.h
@@ -0,0 +1,52 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Chris Dearman (chris@mips.com)
+ * Copyright (C) 2007 Mips Technologies, Inc.
+ */
+#ifndef __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
+#define __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H
+
+ .macro kernel_entry_setup
+#ifdef CONFIG_MIPS_MT_SMTC
+ mfc0 t0, CP0_CONFIG
+ bgez t0, 9f
+ mfc0 t0, CP0_CONFIG, 1
+ bgez t0, 9f
+ mfc0 t0, CP0_CONFIG, 2
+ bgez t0, 9f
+ mfc0 t0, CP0_CONFIG, 3
+ and t0, 1<<2
+ bnez t0, 0f
+9:
+ /* Assume we came from YAMON... */
+ PTR_LA v0, 0x9fc00534 /* YAMON print */
+ lw v0, (v0)
+ move a0, zero
+ PTR_LA a1, nonmt_processor
+ jal v0
+
+ PTR_LA v0, 0x9fc00520 /* YAMON exit */
+ lw v0, (v0)
+ li a0, 1
+ jal v0
+
+1: b 1b
+
+ __INITDATA
+nonmt_processor:
+ .asciz "SMTC kernel requires the MT ASE to run\n"
+ __FINIT
+0:
+#endif
+ .endm
+
+/*
+ * Do SMP slave processor setup necessary before we can safely execute C code.
+ */
+ .macro smp_slave_setup
+ .endm
+
+#endif /* __ASM_MACH_MIPS_KERNEL_ENTRY_INIT_H */