diff options
| author | Tom Rini <trini@ti.com> | 2015-01-26 06:42:15 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-26 06:42:15 -0500 |
| commit | 306df2c8241bd363c71a99841630fb5e85d81fae (patch) | |
| tree | d2fda7cc2345460a5a852f2bdbd0f0a51095e7eb /arch/arm/cpu/armv7/zynq/lowlevel_init.S | |
| parent | 03cae7261e00e0b36511625ed88f883187c17c77 (diff) | |
| parent | a2425e6207d7c75906a15410f4c8c0a5d0519349 (diff) | |
Merge branch 'zynq' of git://www.denx.de/git/u-boot-microblaze
Diffstat (limited to 'arch/arm/cpu/armv7/zynq/lowlevel_init.S')
| -rw-r--r-- | arch/arm/cpu/armv7/zynq/lowlevel_init.S | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/zynq/lowlevel_init.S b/arch/arm/cpu/armv7/zynq/lowlevel_init.S new file mode 100644 index 0000000000..6d714b711c --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/lowlevel_init.S @@ -0,0 +1,26 @@ +/* + * 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) |