| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Renesas R-Car H3 System Controller |
| 3 | * |
| 4 | * Copyright (C) 2016-2017 Glider bvba |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/bug.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/sys_soc.h> |
| 14 | |
| 15 | #include <dt-bindings/power/r8a7795-sysc.h> |
| 16 | |
| 17 | #include "rcar-sysc.h" |
| 18 | |
| 19 | static struct rcar_sysc_area r8a7795_areas[] __initdata = { |
| 20 | { "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON }, |
| 21 | { "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON, |
| 22 | PD_SCU }, |
| 23 | { "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU, |
| 24 | PD_CPU_NOCR }, |
| 25 | { "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU, |
| 26 | PD_CPU_NOCR }, |
| 27 | { "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU, |
| 28 | PD_CPU_NOCR }, |
| 29 | { "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU, |
| 30 | PD_CPU_NOCR }, |
| 31 | { "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON, |
| 32 | PD_SCU }, |
| 33 | { "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU, |
| 34 | PD_CPU_NOCR }, |
| 35 | { "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU, |
| 36 | PD_CPU_NOCR }, |
| 37 | { "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU, |
| 38 | PD_CPU_NOCR }, |
| 39 | { "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU, |
| 40 | PD_CPU_NOCR }, |
| 41 | { "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON }, |
| 42 | { "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON }, |
| 43 | { "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON }, |
| 44 | /* A2VC0 exists on ES1.x only */ |
| 45 | { "a2vc0", 0x3c0, 0, R8A7795_PD_A2VC0, R8A7795_PD_A3VC }, |
| 46 | { "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC }, |
| 47 | { "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON }, |
| 48 | { "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A }, |
| 49 | { "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B }, |
| 50 | { "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C }, |
| 51 | { "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D }, |
| 52 | { "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON }, |
| 53 | }; |
| 54 | |
| 55 | |
| 56 | /* |
| 57 | * Fixups for R-Car H3 revisions after ES1.x |
| 58 | */ |
| 59 | |
| 60 | static const struct soc_device_attribute r8a7795es1[] __initconst = { |
| 61 | { .soc_id = "r8a7795", .revision = "ES1.*" }, |
| 62 | { /* sentinel */ } |
| 63 | }; |
| 64 | |
| 65 | static int __init r8a7795_sysc_init(void) |
| 66 | { |
| 67 | if (!soc_device_match(r8a7795es1)) |
| 68 | rcar_sysc_nullify(r8a7795_areas, ARRAY_SIZE(r8a7795_areas), |
| 69 | R8A7795_PD_A2VC0); |
| 70 | |
| 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | const struct rcar_sysc_info r8a7795_sysc_info __initconst = { |
| 75 | .init = r8a7795_sysc_init, |
| 76 | .areas = r8a7795_areas, |
| 77 | .num_areas = ARRAY_SIZE(r8a7795_areas), |
| 78 | }; |