Otherwise system will hang after executing wfi.
Signed-off-by: Ran Wang ran.wang_1@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 */