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authorIngo Molnar <mingo@elte.hu>2008-07-18 21:13:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 21:13:20 +0200
commitf6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c (patch)
treec5643fcdc884a8d0bfc3f1bc28039cab7394e5bc /include/asm-mips/mach-malta/kernel-entry-init.h
parent323ec001c6bb98eeabb5abbdbb8c8055d9496554 (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
downloadop-kernel-dev-f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c.zip
op-kernel-dev-f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c.tar.gz
Merge branch 'linus' into core/generic-dma-coherent
Conflicts: kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-mips/mach-malta/kernel-entry-init.h')
-rw-r--r--include/asm-mips/mach-malta/kernel-entry-init.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/asm-mips/mach-malta/kernel-entry-init.h b/include/asm-mips/mach-malta/kernel-entry-init.h
new file mode 100644
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+++ b/include/asm-mips/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 */
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