arm/mach-spear/platsmp.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * arch/arm/mach-spear13xx/platsmp.c
5  * based upon linux/arch/arm/mach-realview/platsmp.c
20 /* XXX spear_pen_release is cargo culted code - DO NOT COPY XXX */
21 volatile int spear_pen_release = -1;
24  * XXX CARGO CULTED CODE - DO NOT COPY XXX
45 	 * pen, then head off into the C entry point  in spear13xx_secondary_init()
47 	spear_write_pen_release(-1);  in spear13xx_secondary_init()
68 	 * the holding pen - release it, then wait for it to flag  in spear13xx_boot_secondary()
79 		if (spear_pen_release == -1)  in spear13xx_boot_secondary()
86 	 * now the secondary core is starting up let it run its  in spear13xx_boot_secondary()
91 	return spear_pen_release != -1 ? -ENOSYS : 0;  in spear13xx_boot_secondary()
95  * Initialise the CPU possible map early - this describes the CPUs
118 	 * Write the address of secondary startup into the system-wide location  in spear13xx_smp_prepare_cpus()