Files
Jibo-Platform-Tools-OLD/u-boot/arch/arm/mach-zynq/lowlevel_init.S
Kevin 68d74d3181 avionic design with actual uboot and tooling
submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md
2026-03-03 21:46:32 +02:00

27 lines
453 B
ArmAsm

/*
* Copyright (C) 2013 Xilinx, Inc. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <asm-offsets.h>
#include <config.h>
#include <linux/linkage.h>
ENTRY(lowlevel_init)
/* Enable the the VFP */
mrc p15, 0, r1, c1, c0, 2
orr r1, r1, #(0x3 << 20)
orr r1, r1, #(0x3 << 20)
mcr p15, 0, r1, c1, c0, 2
isb
fmrx r1, FPEXC
orr r1,r1, #(1<<30)
fmxr FPEXC, r1
/* Move back to caller */
mov pc, lr
ENDPROC(lowlevel_init)