diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S')
| -rw-r--r-- | roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S b/roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S new file mode 100644 index 000000000..ed7329d9a --- /dev/null +++ b/roms/u-boot/arch/arm/mach-zynq/lowlevel_init.S @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2013 - 2015 Xilinx, Inc. All rights reserved. + */ + +#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) |