Otherwise system will hang after executing wfi.
Signed-off-by: Ran Wang <ran.wan...@nxp.com>
---
Change in v3:
Actually this is the same to 3/3 patch of v2
Change in v2:
None
arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c | 4 ++++
arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 2 ++
2 files changed, 6 insertions(+)
diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
index af413f8622..bb169aaaf4 100644
--- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
+++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
@@ -73,6 +73,7 @@ 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);
if (ippdexpcr0 & RCPM_IPPDEXPCR0_ETSEC)
pmcintecr |= SCFG_PMCINTECR_ETSECRXG0 |
@@ -192,6 +193,9 @@ static void __secure ls1_deep_sleep(u32 entry_point)
setbits_be32(&scfg->dpslpcr, SCFG_DPSLPCR_WDRR_EN);
setbits_be32(&gur->crstsr, DCFG_CRSTSR_WDRFR);
+ /* Disable QE */
+ setbits_be32(&gur->devdisr, CCSR_DEVDISR1_QE);
+
ls1_deepsleep_irq_cfg();
psci_v7_flush_dcache_all();
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
index 13a282ffe1..a3d1171aa9 100644
--- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
+++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
@@ -86,6 +86,8 @@ struct sys_info {
unsigned long freq_localbus;
};
+#define CCSR_DEVDISR1_QE 0x00000001
+
/* Device Configuration and Pin Control */
struct ccsr_gur {
u32 porsr1; /* POR status 1 */
--
2.17.1
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