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ARM: vexpress: Get tc2_pm_psci.c to use common CP15 accessor functions

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Signed-off-by: Jon Medhurst <tixy@linaro.org>
This commit is contained in:
Jon Medhurst
2013-03-21 12:00:09 +00:00
parent e64a97aa17
commit b62c31f526
1 changed files with 4 additions and 15 deletions
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19
arch/arm/mach-vexpress/tc2_pm_psci.c
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@@ -23,6 +23,7 @@
#include <asm/psci.h>
#include <asm/atomic.h>
#include <asm/cputype.h>
#include <asm/cp15.h>
#include <mach/motherboard.h>
#include <mach/tc2.h>
@@ -83,24 +84,12 @@ static void tc2_pm_psci_power_down(void)
* Overtaken by a power up. Flush caches, exit coherency,
* return & fake a reset
*/
asm volatile (
"mrc p15, 0, ip, c1, c0, 0 \n\t"
"bic ip, ip, #(1 << 2) @ clear C bit \n\t"
"mcr p15, 0, ip, c1, c0, 0 \n\t"
"dsb \n\t"
"isb"
: : : "ip" );
set_cr(get_cr() & ~CR_C);
flush_cache_louis();
asm volatile (
"clrex \n\t"
"mrc p15, 0, ip, c1, c0, 1 \n\t"
"bic ip, ip, #(1 << 6) @ clear SMP bit \n\t"
"mcr p15, 0, ip, c1, c0, 1 \n\t"
"isb \n\t"
"dsb"
: : : "ip" );
asm volatile ("clrex");
set_auxcr(get_auxcr() & ~(1 << 6));
return;
case 0: