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armv7: ls102xa: Disable QE before enter deep sleep

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Otherwise system will hang after executing wfi.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Ran Wang 2018-09-26 13:46:30 +08:00 committed by York Sun
parent 247058b9b4
commit 26cbc0d663
2 changed files with 6 additions and 0 deletions
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4
arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
View File

@ -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();

2
arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
View File

@ -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 */