54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Renesas R-Car E3 System Controller
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|  *
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|  * Copyright (C) 2018 Renesas Electronics Corp.
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|  */
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| 
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| #include <linux/bug.h>
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| #include <linux/kernel.h>
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| #include <linux/sys_soc.h>
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| 
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| #include <dt-bindings/power/r8a77990-sysc.h>
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| 
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| #include "rcar-sysc.h"
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| 
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| static struct rcar_sysc_area r8a77990_areas[] __initdata = {
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| 	{ "always-on",	    0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
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| 	{ "ca53-scu",	0x140, 0, R8A77990_PD_CA53_SCU,  R8A77990_PD_ALWAYS_ON,
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| 	  PD_SCU },
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| 	{ "ca53-cpu0",	0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
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| 	  PD_CPU_NOCR },
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| 	{ "ca53-cpu1",	0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
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| 	  PD_CPU_NOCR },
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| 	{ "cr7",	0x240, 0, R8A77990_PD_CR7,	R8A77990_PD_ALWAYS_ON },
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| 	{ "a3vc",	0x380, 0, R8A77990_PD_A3VC,	R8A77990_PD_ALWAYS_ON },
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| 	{ "a2vc1",	0x3c0, 1, R8A77990_PD_A2VC1,	R8A77990_PD_A3VC },
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| 	{ "3dg-a",	0x100, 0, R8A77990_PD_3DG_A,	R8A77990_PD_ALWAYS_ON },
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| 	{ "3dg-b",	0x100, 1, R8A77990_PD_3DG_B,	R8A77990_PD_3DG_A },
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| };
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| 
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| /* Fixups for R-Car E3 ES1.0 revision */
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| static const struct soc_device_attribute r8a77990[] __initconst = {
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| 	{ .soc_id = "r8a77990", .revision = "ES1.0" },
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| 	{ /* sentinel */ }
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| };
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| 
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| static int __init r8a77990_sysc_init(void)
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| {
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| 	if (soc_device_match(r8a77990)) {
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| 		/* Fix incorrect 3DG hierarchy */
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| 		swap(r8a77990_areas[7], r8a77990_areas[8]);
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| 		r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
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| 		r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
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| 	.init = r8a77990_sysc_init,
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| 	.areas = r8a77990_areas,
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| 	.num_areas = ARRAY_SIZE(r8a77990_areas),
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| };
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