1 // SPDX-License-Identifier: GPL-2.0-only
3  *  linux/arch/arm/mach-tegra/platsmp.c
13 #include <linux/delay.h>
26 #include <asm/mach-types.h>
42 static int tegra20_boot_secondary(unsigned int cpu, struct task_struct *idle)  in tegra20_boot_secondary()  argument
50 	 * power-gated via the flow controller). This will have no  in tegra20_boot_secondary()
58 	 * power-gate the CPU this will cause the flow controller to  in tegra20_boot_secondary()
70 static int tegra30_boot_secondary(unsigned int cpu, struct task_struct *idle)  in tegra30_boot_secondary()  argument
84 	 * power will be resumed automatically after un-halting the  in tegra30_boot_secondary()
85 	 * flow controller of the warm boot CPU. We need to wait for  in tegra30_boot_secondary()
88 	 * For cold boot CPU, do not wait. After the cold boot CPU be  in tegra30_boot_secondary()
105 	 * be un-gated by un-toggling the power gate register  in tegra30_boot_secondary()
129 static int tegra114_boot_secondary(unsigned int cpu, struct task_struct *idle)  in tegra114_boot_secondary()  argument
159 					  struct task_struct *idle)  in tegra_boot_secondary()  argument
162 		return tegra20_boot_secondary(cpu, idle);  in tegra_boot_secondary()
164 		return tegra30_boot_secondary(cpu, idle);  in tegra_boot_secondary()
166 		return tegra114_boot_secondary(cpu, idle);  in tegra_boot_secondary()
168 		return tegra114_boot_secondary(cpu, idle);  in tegra_boot_secondary()
170 	return -EINVAL;  in tegra_boot_secondary()