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Header files in arch/arm/*/include/mach included from arch/arm/include/asm/*.h are there to provide necessary definitions for either the rest of the kernel or the ARM specific parts. They shouldn't be polluted with *any* platform private stuff which is not absolutely necessary to satisfy the rest of the kernel. Hence move the OMAP specific SMP boot functions to different header instead of keeping them in 'plat/smp.h' which gets included indirectly by linux/smp.h The patch is outcome of the discussion in below thread: http://www.spinics.net/lists/arm-kernel/msg120363.html Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* omap4-common.h: OMAP4 specific common header file
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*
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* Copyright (C) 2010 Texas Instruments, Inc.
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*
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* Author:
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* Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef OMAP_ARCH_OMAP4_COMMON_H
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#define OMAP_ARCH_OMAP4_COMMON_H
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/*
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* wfi used in low power code. Directly opcode is used instead
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* of instruction to avoid mulit-omap build break
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*/
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#ifdef CONFIG_THUMB2_KERNEL
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#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
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#else
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#define do_wfi() \
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__asm__ __volatile__ (".word 0xe320f003" : : : "memory")
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#endif
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#ifdef CONFIG_CACHE_L2X0
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extern void __iomem *l2cache_base;
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#endif
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extern void __iomem *gic_dist_base_addr;
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extern void __init gic_init_irq(void);
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extern void omap_smc1(u32 fn, u32 arg);
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#ifdef CONFIG_SMP
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/* Needed for secondary core boot */
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extern void omap_secondary_startup(void);
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extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
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extern void omap_auxcoreboot_addr(u32 cpu_addr);
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extern u32 omap_read_auxcoreboot0(void);
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#endif
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#endif
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