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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5497e7b896
* late/fixes: ARM: OMAP2+: Fix unmet direct dependencies for SERIAL_OMAP ARM: ux500: always select ABX500_CORE ARM: SIRF: select SMP_ON_UP only on SMP builds ARM: SPEAr: conditionalize l2x0 support ARM: imx: build CPU suspend code only when needed ARM: OMAP: build SMP code only for OMAP4/5 ARM: tegra: Tegra114 needs CPU_FREQ_TABLE ARM: default machine descriptor for multiplatform Signed-off-by: Olof Johansson <olof@lixom.net>
60 lines
1.3 KiB
ArmAsm
60 lines
1.3 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 must assume it is running from physical address
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* where absolute virtual addresses to the data section have to be
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* turned into relative ones.
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*/
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#ifdef CONFIG_CACHE_L2X0
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.macro pl310_resume
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adr r0, l2x0_saved_regs_offset
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ldr r2, [r0]
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add r2, r2, r0
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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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l2x0_saved_regs_offset:
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.word l2x0_saved_regs - .
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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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