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@@ -21,11 +21,11 @@ void uniphier_smp_kick_all_cpus(void)
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rom_boot_rsv0 = map_sysmem(UNIPHIER_SMPCTRL_ROM_RSV0, SZ_8);
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writeq((u64)uniphier_secondary_startup, rom_boot_rsv0);
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- readq(rom_boot_rsv0); /* relax */
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unmap_sysmem(rom_boot_rsv0);
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uniphier_smp_setup();
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- asm("sev"); /* Bring up all secondary CPUs from Boot ROM into U-Boot */
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+ asm("dsb ishst\n" /* Ensure the write to ROM_RSV0 is visible */
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+ "sev"); /* Bring up all secondary CPUs from Boot ROM into U-Boot */
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}
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