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![Arnd Bergmann](/assets/img/avatar_default.png)
- Armada 370/XP suspend/resume support - mvebu SoC driver suspend/resume support - irqchip - clocksource - mbus - clk -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJUe0lIAAoJEP45WPkGe8Zn/IgP/jOO8c7t7dohRbAe3axzIcaC DLL7d7j0AScZGXLx1/xJrFFY/P3gn3dlLR7HnT0t4K7vcW0kP4orMGo6FcGicSOZ VzQf88cOkunKf9NTM1Y0LOXVWTHGuACiXAnxook5A6k+l0xQ1t+uewgEKrg/33VK 6WQ6woe2eYFwghkFwL3ybjttOPM5nxPef6v3TZ3LfwSUBsnSm70F1XiO8xZJH+LM fL83P409LGWgohwSaXYRdPJcNM0U7QMNo6i/If9NNBhIkdKb6llhQ/DvI+aXUvqB aD9/4t+Q75yki0mXIin6irltjspWsR8OFbaKZOM5IBFp/XrsKvNU+wy++7z9se9z qfG1QYmKk3ddI0isoksuIJpfbrlbQqFKCGlNkn8HVi4xCYCijNgb5bUrHQ27Aa4U GGisAOhqs9Ktpz96WeNKjvNQBSJZ3ESd6tlLrwCei8DwEdT0Z73jr1aEnulurpPG A3kiUhVpRIU+w0cth5Kix2bZj7JGsykzu1x5xORLE+MN8RSgmoveGyY5CBp2MHrl NxR/u98SD9I/rWT3DwQIKxM5ZqF4AAnyj4SaSWR/f40kWMU+A+eMEfo8VUeO88fl ygeeHTghSf58gbdgganRfDyY8OaQHeYNNKbWK6c7vxyMX98vwHOtOb5JS3nn0p7q Fugy/6qf+ZqYHT4nczJO =uX+e -----END PGP SIGNATURE----- Merge tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu into next/soc Pull "mvebu SoC suspend changes for v3.19" from Jason Cooper: - Armada 370/XP suspend/resume support - mvebu SoC driver suspend/resume support - irqchip - clocksource - mbus - clk * tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu: ARM: mvebu: add SDRAM controller description for Armada XP ARM: mvebu: adjust mbus controller description on Armada 370/XP ARM: mvebu: add suspend/resume DT information for Armada XP GP ARM: mvebu: synchronize secondary CPU clocks on resume ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume ARM: mvebu: Armada XP GP specific suspend/resume code ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume ARM: mvebu: implement suspend/resume support for Armada XP clk: mvebu: add suspend/resume for gatable clocks bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration bus: mvebu-mbus: suspend/resume support clocksource: time-armada-370-xp: add suspend/resume support irqchip: armada-370-xp: Add suspend/resume support Documentation: dt-bindings: minimal documentation for MVEBU SDRAM controller Signed-off-by: Arnd Bergmann <arnd@arndb.de>
75 lines
2 KiB
ArmAsm
75 lines
2 KiB
ArmAsm
/*
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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 15, 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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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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