diff options
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/cpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c index 75f0d8c7f7..8dd95d9879 100644 --- a/arch/arm/cpu/armv7/ls102xa/cpu.c +++ b/arch/arm/cpu/armv7/ls102xa/cpu.c @@ -344,5 +344,13 @@ void smp_kick_all_cpus(void) struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); out_be32(&gur->brrl, 0x2); + + /* + * LS1 STANDBYWFE is not captured outside the ARM module in the soc. + * So add a delay to wait bootrom execute WFE. + */ + udelay(1); + + asm volatile("sev"); } #endif |