| Message ID | 20190925104043.34385-2-biwen.li@nxp.com |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | Priyanka Jain |
| Headers | show |
| Series | [U-Boot,v3,1/2] armv7: ls102xa: add errata ID A-008646 for workaround | expand |
>-----Original Message----- >From: Biwen Li <biwen.li@nxp.com> >Sent: Wednesday, September 25, 2019 4:11 PM >To: albert.u.boot@aribaud.net; Prabhakar X ><prabhakar.kushwaha@nxp.com>; Rajesh Bhagat <rajesh.bhagat@nxp.com>; >Priyanka Jain <priyanka.jain@nxp.com>; Ran Wang <ran.wang_1@nxp.com>; >Leo Li <leoyang.li@nxp.com>; Jagdish Gediya <jagdish.gediya@nxp.com> >Cc: u-boot@lists.denx.de; Biwen Li <biwen.li@nxp.com> >Subject: [v3,2/2] armv7: ls102xa: Don't power down OCRAM1 during deep >sleep > >Don't power down OCRAM1 for wakeup source to wakeup system in deep >sleep > >Signed-off-by: Biwen Li <biwen.li@nxp.com> >--- >Change in v3: > - update subject and description > >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 afa4fd7a48..3df5a1141a 100644 >--- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c >+++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c >@@ -74,7 +74,8 @@ static void __secure ls1_deepsleep_irq_cfg(void) > * 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 Updated description and comment in code. Applied to fsl-qoriq master, awaiting upstream. Thanks priyankajain
diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c index afa4fd7a48..3df5a1141a 100644 --- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c +++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c @@ -74,7 +74,8 @@ static void __secure ls1_deepsleep_irq_cfg(void) * 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 |
Don't power down OCRAM1 for wakeup source to wakeup system in deep sleep Signed-off-by: Biwen Li <biwen.li@nxp.com> --- Change in v3: - update subject and description 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(-)