diff options
Diffstat (limited to 'arch/powerpc/boot/virtex405-head.S')
| -rw-r--r-- | arch/powerpc/boot/virtex405-head.S | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/powerpc/boot/virtex405-head.S b/arch/powerpc/boot/virtex405-head.S deleted file mode 100644 index 00bab7d7c48c..000000000000 --- a/arch/powerpc/boot/virtex405-head.S +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include "ppc_asm.h" - - .text - .global _zimage_start -_zimage_start: - - /* PPC errata 213: needed by Virtex-4 FX */ - mfccr0 0 - oris 0,0,0x50000000@h - mtccr0 0 - - /* - * Invalidate the data cache if the data cache is turned off. - * - The 405 core does not invalidate the data cache on power-up - * or reset but does turn off the data cache. We cannot assume - * that the cache contents are valid. - * - If the data cache is turned on this must have been done by - * a bootloader and we assume that the cache contents are - * valid. - */ - mfdccr r9 - cmplwi r9,0 - bne 2f - lis r9,0 - li r8,256 - mtctr r8 -1: dccci r0,r9 - addi r9,r9,0x20 - bdnz 1b -2: b _zimage_start_lib |