6a37ff388a
During boot, Linux initiates a clean-invalidate operation only, resulting in faulty data to be written to the memory system during resume. Therefore invalidate the L1 in the secondary boot path to avoid these issues. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
27 lines
734 B
ArmAsm
27 lines
734 B
ArmAsm
/*
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* Copyright (c) 2013 Steffen Trumtrar <s.trumtrar@pengutronix.de>
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* Copyright (c) 2012-2013 Xilinx
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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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#include <linux/linkage.h>
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#include <linux/init.h>
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ENTRY(zynq_secondary_trampoline)
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ldr r0, [pc]
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bx r0
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.globl zynq_secondary_trampoline_jump
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zynq_secondary_trampoline_jump:
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/* Space for jumping address */
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.word /* cpu 1 */
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.globl zynq_secondary_trampoline_end
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zynq_secondary_trampoline_end:
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ENDPROC(zynq_secondary_trampoline)
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ENTRY(zynq_secondary_startup)
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bl v7_invalidate_l1
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b secondary_startup
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ENDPROC(zynq_secondary_startup)
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