arm/mach-mvebu/system-controller.c

1 // SPDX-License-Identifier: GPL-2.0-only
8  * Gregory CLEMENT <gregory.clement@free-electrons.com>
9  * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
13  * but rather provide system-level features. This basic
14  * system-controller driver provides a device tree binding for those
19  * soft-reset, but it might be extended in the future.
28 #include "mvebu-soc-id.h"
79 		.compatible = "marvell,orion-system-controller",
82 		.compatible = "marvell,armada-370-xp-system-controller",
85 		.compatible = "marvell,armada-375-system-controller",
94 		pr_err("Cannot restart, system-controller not available: check the device tree\n");  in mvebu_restart()
97 		 * Enable soft reset to assert RSTOUTn.  in mvebu_restart()
99 		writel(mvebu_sc->rstoutn_mask_reset_out_en,  in mvebu_restart()
101 			mvebu_sc->rstoutn_mask_offset);  in mvebu_restart()
103 		 * Assert soft reset.  in mvebu_restart()
105 		writel(mvebu_sc->system_soft_reset,  in mvebu_restart()
107 			mvebu_sc->system_soft_reset_offset);  in mvebu_restart()
118 		*dev = readl(system_controller_base + mvebu_sc->dev_id) >> 16;  in mvebu_system_controller_get_soc_id()
119 		*rev = (readl(system_controller_base + mvebu_sc->rev_id) >> 8)  in mvebu_system_controller_get_soc_id()
123 		return -ENODEV;  in mvebu_system_controller_get_soc_id()
139 		mvebu_sc->resume_boot_addr;  in mvebu_armada375_smp_wa_init()
148 	BUG_ON(mvebu_sc->resume_boot_addr == 0);  in mvebu_system_controller_set_cpu_boot_addr()
154 	       mvebu_sc->resume_boot_addr);  in mvebu_system_controller_set_cpu_boot_addr()
170 		mvebu_sc = (struct mvebu_system_controller *)match->data;  in mvebu_system_controller_init()