From d20f184ce3a012ab2c0abe4792bc130c238fa5b0 Mon Sep 17 00:00:00 2001 From: Biwen Li Date: Mon, 21 Oct 2019 12:23:30 +0530 Subject: [PATCH] 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 Signed-off-by: Priyanka Jain --- arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c index 86693ed..df64f54 100644 --- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c +++ b/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 | -- 2.7.4