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74 lines
2.0 KiB
74 lines
2.0 KiB
/* |
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* Copyright (C) 2014 Marvell |
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* |
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* Thomas Petazzoni <thomas.petazzoni@free-electrons.com> |
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* Gregory Clement <gregory.clement@free-electrons.com> |
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* |
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* This file is licensed under the terms of the GNU General Public |
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* License version 2. This program is licensed "as is" without any |
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* warranty of any kind, whether express or implied. |
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*/ |
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#include <linux/linkage.h> |
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#include <asm/assembler.h> |
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ENTRY(armada_38x_scu_power_up) |
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mrc p15, 4, r1, c15, c0 @ get SCU base address |
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orr r1, r1, #0x8 @ SCU CPU Power Status Register |
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mrc p15, 0, r0, cr0, cr0, 5 @ get the CPU ID |
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and r0, r0, #15 |
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add r1, r1, r0 |
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mov r0, #0x0 |
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strb r0, [r1] @ switch SCU power state to Normal mode |
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ret lr |
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ENDPROC(armada_38x_scu_power_up) |
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/* |
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* This is the entry point through which CPUs exiting cpuidle deep |
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* idle state are going. |
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*/ |
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ENTRY(armada_370_xp_cpu_resume) |
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ARM_BE8(setend be ) @ go BE8 if entered LE |
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/* |
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* Disable the MMU that might have been enabled in BootROM if |
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* this code is used in the resume path of a suspend/resume |
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* cycle. |
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*/ |
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mrc p15, 0, r1, c1, c0, 0 |
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bic r1, #1 |
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mcr p15, 0, r1, c1, c0, 0 |
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bl ll_add_cpu_to_smp_group |
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bl ll_enable_coherency |
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b cpu_resume |
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ENDPROC(armada_370_xp_cpu_resume) |
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ENTRY(armada_38x_cpu_resume) |
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/* do we need it for Armada 38x*/ |
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ARM_BE8(setend be ) @ go BE8 if entered LE |
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bl v7_invalidate_l1 |
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bl armada_38x_scu_power_up |
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b cpu_resume |
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ENDPROC(armada_38x_cpu_resume) |
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.global mvebu_boot_wa_start |
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.global mvebu_boot_wa_end |
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/* The following code will be executed from SRAM */ |
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ENTRY(mvebu_boot_wa_start) |
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ARM_BE8(setend be) |
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adr r0, 1f |
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ldr r0, [r0] @ load the address of the |
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@ resume register |
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ldr r0, [r0] @ load the value in the |
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@ resume register |
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ARM_BE8(rev r0, r0) @ the value is stored LE |
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mov pc, r0 @ jump to this value |
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/* |
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* the last word of this piece of code will be filled by the physical |
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* address of the boot address register just after being copied in SRAM |
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*/ |
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1: |
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.long . |
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mvebu_boot_wa_end: |
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ENDPROC(mvebu_boot_wa_end)
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