[U-Boot] [v2,2/2] armv7: ls102xa: not power down OCRAM1

Priyanka Jain priyanka.jain at nxp.com
Wed Sep 25 04:42:32 UTC 2019



>-----Original Message-----
>From: Biwen Li <biwen.li at nxp.com>
>Sent: Tuesday, September 24, 2019 12:49 PM
>To: albert.u.boot at aribaud.net; Prabhakar X
><prabhakar.kushwaha at nxp.com>; Rajesh Bhagat <rajesh.bhagat at nxp.com>;
>Priyanka Jain <priyanka.jain at nxp.com>; Ran Wang <ran.wang_1 at nxp.com>;
>Leo Li <leoyang.li at nxp.com>; Jagdish Gediya <jagdish.gediya at nxp.com>
>Cc: u-boot at lists.denx.de; Biwen Li <biwen.li at nxp.com>
>Subject: [v2,2/2] armv7: ls102xa: not power down OCRAM1
>
>The patch always not power down OCRAM1
>for wakeup source to wakeup system in
>deep sleep
Please provide a better description.

--priyankajain
>
>Signed-off-by: Biwen Li <biwen.li at nxp.com>
>---
>Change in v2:
>	- split one patch to two patches
>	- always not power down OCRAM1
>
> arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>index e23fcc135b..34773305ae 100644
>--- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>+++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
>@@ -73,7 +73,8 @@ static void __secure ls1_deepsleep_irq_cfg(void)
> 	 * read, that is why we don't read it from register ippdexpcr1 itself.
> 	 */
> 	ippdexpcr1 = in_le32(&scfg->sparecr[7]);
>-	out_be32(&rcpm->ippdexpcr1, ippdexpcr1);
>+	/* Always not power down OCRAM1 */
>+	out_be32(&rcpm->ippdexpcr1, ippdexpcr1 |
>RCPM_IPPDEXPCR1_OCRAM1);
>
> 	if (ippdexpcr0 & RCPM_IPPDEXPCR0_ETSEC)
> 		pmcintecr |= SCFG_PMCINTECR_ETSECRXG0 |
>--
>2.17.1



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