armv7/ls102xa: Fix non-boot cpus cannot correctly fall in spin table

[oweals/u-boot.git] / arch / arm / cpu / armv7 / ls102xa / cpu.c

diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c
index 75f0d8c7f794a1a6c6ad9e1d6a10fc9675581c54..8dd95d98791d763789f530d393a12563aa358282 100644 (file)
--- 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