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armv7: ls102xa: Don't power down OCRAM1 during deep sleep

To allow OCRAM to be used as wakeup source in
deep sleep, do not power it down.

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Biwen Li před 4 roky
rodič
revize
d20f184ce3
1 změnil soubory, kde provedl 6 přidání a 1 odebrání
  1. 6 1
      arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c

+ 6 - 1
arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c

@@ -74,7 +74,12 @@ static void __secure ls1_deepsleep_irq_cfg(void)
 	 * is first saved to a spare register and then read from it
 	 */
 	ippdexpcr1 = in_be32(&scfg->sparecr[7]);
-	out_be32(&rcpm->ippdexpcr1, ippdexpcr1);
+
+	/*
+	 * To allow OCRAM to be used as wakeup source in deep sleep,
+	 * do not power it down.
+	 */
+	out_be32(&rcpm->ippdexpcr1, ippdexpcr1 | RCPM_IPPDEXPCR1_OCRAM1);
 
 	if (ippdexpcr0 & RCPM_IPPDEXPCR0_ETSEC)
 		pmcintecr |= SCFG_PMCINTECR_ETSECRXG0 |