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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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eb28d0bb85
Enable ARCH_SUPPORTS_BIG_ENDIAN in Kconfig. zynq_secondary_trampoline is the first function that is called on secondary CPU. Reference: "ARM: mcpm: fix big endian issue in mcpm startup code" (sha1:519ceb9fd1) Fix early printk support. Based on: "ARM: pl01x debug code endian fix" (sha1:76e3faf156) Signed-off-by: Michal Simek <michal.simek@xilinx.com>
30 lines
857 B
ArmAsm
30 lines
857 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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#include <asm/assembler.h>
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ENTRY(zynq_secondary_trampoline)
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ARM_BE8(setend be) @ ensure we are in BE8 mode
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ldr r0, zynq_secondary_trampoline_jump
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ARM_BE8(rev r0, r0)
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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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