56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Renesas RZ/G2E System Controller
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* Copyright (C) 2018 Renesas Electronics Corp.
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*
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* Based on Renesas R-Car E3 System Controller
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*/
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#include <linux/bits.h>
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#include <linux/kernel.h>
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#include <linux/sys_soc.h>
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#include <dt-bindings/power/r8a774c0-sysc.h>
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#include "rcar-sysc.h"
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static struct rcar_sysc_area r8a774c0_areas[] __initdata = {
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{ "always-on", 0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
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{ "ca53-scu", 0x140, 0, R8A774C0_PD_CA53_SCU, R8A774C0_PD_ALWAYS_ON,
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PD_SCU },
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{ "ca53-cpu0", 0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,
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PD_CPU_NOCR },
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{ "ca53-cpu1", 0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,
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PD_CPU_NOCR },
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{ "a3vc", 0x380, 0, R8A774C0_PD_A3VC, R8A774C0_PD_ALWAYS_ON },
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{ "a2vc1", 0x3c0, 1, R8A774C0_PD_A2VC1, R8A774C0_PD_A3VC },
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{ "3dg-a", 0x100, 0, R8A774C0_PD_3DG_A, R8A774C0_PD_ALWAYS_ON },
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{ "3dg-b", 0x100, 1, R8A774C0_PD_3DG_B, R8A774C0_PD_3DG_A },
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};
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/* Fixups for RZ/G2E ES1.0 revision */
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static const struct soc_device_attribute r8a774c0[] __initconst = {
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{ .soc_id = "r8a774c0", .revision = "ES1.0" },
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{ /* sentinel */ }
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};
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static int __init r8a774c0_sysc_init(void)
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{
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if (soc_device_match(r8a774c0)) {
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/* Fix incorrect 3DG hierarchy */
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swap(r8a774c0_areas[6], r8a774c0_areas[7]);
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r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;
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r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;
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}
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return 0;
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}
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const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
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.init = r8a774c0_sysc_init,
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.areas = r8a774c0_areas,
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.num_areas = ARRAY_SIZE(r8a774c0_areas),
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.extmask_offs = 0x2f8,
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.extmask_val = BIT(0),
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};
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