mirror of
https://github.com/torvalds/linux.git
synced 2024-12-13 22:53:20 +00:00
8112753bb2
The PowerPC 440EP(x) FPU init is currently done in head_44x under ifdefs. Since we should support more then one board in the same kernel, we move FPU initialization code from head_44x to cpu_setup_44x and add cpu_setup callbacks for 440EP(x). Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
34 lines
833 B
ArmAsm
34 lines
833 B
ArmAsm
/*
|
|
* This file contains low level CPU setup functions.
|
|
* Valentine Barshak <vbarshak@ru.mvista.com>
|
|
* MontaVista Software, Inc (c) 2007
|
|
*
|
|
* Based on cpu_setup_6xx code by
|
|
* Benjamin Herrenschmidt <benh@kernel.crashing.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#include <asm/processor.h>
|
|
#include <asm/cputable.h>
|
|
#include <asm/ppc_asm.h>
|
|
|
|
_GLOBAL(__setup_cpu_440ep)
|
|
b __init_fpu_44x
|
|
_GLOBAL(__setup_cpu_440epx)
|
|
b __init_fpu_44x
|
|
|
|
/* enable APU between CPU and FPU */
|
|
_GLOBAL(__init_fpu_44x)
|
|
mfspr r3,SPRN_CCR0
|
|
/* Clear DAPUIB flag in CCR0 */
|
|
rlwinm r3,r3,0,12,10
|
|
mtspr SPRN_CCR0,r3
|
|
isync
|
|
blr
|
|
|