cb48389bd6
The ARM CPU suspend function has its own configuration symbol, which we need to use for conditionalizing any code calling into it as well. arch/arm/mach-imx/built-in.o: In function `v7_cpu_resume': /git/arm-soc/arch/arm/mach-imx/headsmp.S:57: undefined reference to `cpu_resume' Cc: Sascha Hauer <kernel@pengutronix.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
60 lines
1.4 KiB
ArmAsm
60 lines
1.4 KiB
ArmAsm
/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2011 Linaro Ltd.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/linkage.h>
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#include <linux/init.h>
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#include <asm/asm-offsets.h>
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#include <asm/hardware/cache-l2x0.h>
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.section ".text.head", "ax"
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#ifdef CONFIG_SMP
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ENTRY(v7_secondary_startup)
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bl v7_invalidate_l1
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b secondary_startup
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ENDPROC(v7_secondary_startup)
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#endif
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#ifdef CONFIG_ARM_CPU_SUSPEND
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/*
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* The following code is located into the .data section. This is to
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* allow phys_l2x0_saved_regs to be accessed with a relative load
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* as we are running on physical address here.
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*/
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.data
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.align
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#ifdef CONFIG_CACHE_L2X0
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.macro pl310_resume
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ldr r2, phys_l2x0_saved_regs
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ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0
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ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value
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str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl
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mov r1, #0x1
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str r1, [r0, #L2X0_CTRL] @ re-enable L2
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.endm
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.globl phys_l2x0_saved_regs
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phys_l2x0_saved_regs:
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.long 0
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#else
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.macro pl310_resume
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.endm
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#endif
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ENTRY(v7_cpu_resume)
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bl v7_invalidate_l1
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pl310_resume
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b cpu_resume
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ENDPROC(v7_cpu_resume)
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#endif
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