Commit 1ddda1cd authored by Rob Herring's avatar Rob Herring Committed by Olof Johansson

ARM: highbank: save and restore L2 cache and GIC on suspend

This fixes suspend to RAM adding necessary save and restore of L2 and GIC.
Signed-off-by: default avatarRob Herring <rob.herring@calxeda.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 9852910a
......@@ -14,10 +14,12 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/cpu_pm.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/suspend.h>
#include <asm/cacheflush.h>
#include <asm/proc-fns.h>
#include <asm/suspend.h>
......@@ -26,16 +28,31 @@
static int highbank_suspend_finish(unsigned long val)
{
outer_flush_all();
outer_disable();
highbank_set_pwr_suspend();
cpu_do_idle();
highbank_clear_pwr_request();
return 0;
}
static int highbank_pm_enter(suspend_state_t state)
{
highbank_set_pwr_suspend();
cpu_pm_enter();
cpu_cluster_pm_enter();
highbank_set_cpu_jump(0, cpu_resume);
cpu_suspend(0, highbank_suspend_finish);
cpu_cluster_pm_exit();
cpu_pm_exit();
highbank_smc1(0x102, 0x1);
if (scu_base_addr)
scu_enable(scu_base_addr);
return 0;
}
......
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