cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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r8a77965-cpg-mssr.c (13558B)


      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * r8a77965 Clock Pulse Generator / Module Standby and Software Reset
      4 *
      5 * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
      6 * Copyright (C) 2019 Renesas Electronics Corp.
      7 *
      8 * Based on r8a7795-cpg-mssr.c
      9 *
     10 * Copyright (C) 2015 Glider bvba
     11 * Copyright (C) 2015 Renesas Electronics Corp.
     12 */
     13
     14#include <linux/device.h>
     15#include <linux/init.h>
     16#include <linux/kernel.h>
     17#include <linux/soc/renesas/rcar-rst.h>
     18
     19#include <dt-bindings/clock/r8a77965-cpg-mssr.h>
     20
     21#include "renesas-cpg-mssr.h"
     22#include "rcar-gen3-cpg.h"
     23
     24enum clk_ids {
     25	/* Core Clock Outputs exported to DT */
     26	LAST_DT_CORE_CLK = R8A77965_CLK_OSC,
     27
     28	/* External Input Clocks */
     29	CLK_EXTAL,
     30	CLK_EXTALR,
     31
     32	/* Internal Core Clocks */
     33	CLK_MAIN,
     34	CLK_PLL0,
     35	CLK_PLL1,
     36	CLK_PLL3,
     37	CLK_PLL4,
     38	CLK_PLL1_DIV2,
     39	CLK_PLL1_DIV4,
     40	CLK_S0,
     41	CLK_S1,
     42	CLK_S2,
     43	CLK_S3,
     44	CLK_SDSRC,
     45	CLK_SSPSRC,
     46	CLK_RPCSRC,
     47	CLK_RINT,
     48
     49	/* Module Clocks */
     50	MOD_CLK_BASE
     51};
     52
     53static const struct cpg_core_clk r8a77965_core_clks[] __initconst = {
     54	/* External Clock Inputs */
     55	DEF_INPUT("extal",      CLK_EXTAL),
     56	DEF_INPUT("extalr",     CLK_EXTALR),
     57
     58	/* Internal Core Clocks */
     59	DEF_BASE(".main",	CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
     60	DEF_BASE(".pll0",	CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
     61	DEF_BASE(".pll1",	CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
     62	DEF_BASE(".pll3",	CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
     63	DEF_BASE(".pll4",	CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
     64
     65	DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2,		CLK_PLL1,	2, 1),
     66	DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4,		CLK_PLL1_DIV2,	2, 1),
     67	DEF_FIXED(".s0",	CLK_S0,			CLK_PLL1_DIV2,	2, 1),
     68	DEF_FIXED(".s1",	CLK_S1,			CLK_PLL1_DIV2,	3, 1),
     69	DEF_FIXED(".s2",	CLK_S2,			CLK_PLL1_DIV2,	4, 1),
     70	DEF_FIXED(".s3",	CLK_S3,			CLK_PLL1_DIV2,	6, 1),
     71	DEF_FIXED(".sdsrc",	CLK_SDSRC,		CLK_PLL1_DIV2,	2, 1),
     72
     73	DEF_BASE(".rpcsrc",	CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1),
     74
     75	DEF_GEN3_OSC(".r",	CLK_RINT,		CLK_EXTAL,	32),
     76
     77	/* Core Clock Outputs */
     78	DEF_GEN3_Z("z",		R8A77965_CLK_Z,		CLK_TYPE_GEN3_Z,  CLK_PLL0, 2, 8),
     79	DEF_FIXED("ztr",	R8A77965_CLK_ZTR,	CLK_PLL1_DIV2,	6, 1),
     80	DEF_FIXED("ztrd2",	R8A77965_CLK_ZTRD2,	CLK_PLL1_DIV2,	12, 1),
     81	DEF_FIXED("zt",		R8A77965_CLK_ZT,	CLK_PLL1_DIV2,	4, 1),
     82	DEF_FIXED("zx",		R8A77965_CLK_ZX,	CLK_PLL1_DIV2,	2, 1),
     83	DEF_FIXED("s0d1",	R8A77965_CLK_S0D1,	CLK_S0,		1, 1),
     84	DEF_FIXED("s0d2",	R8A77965_CLK_S0D2,	CLK_S0,		2, 1),
     85	DEF_FIXED("s0d3",	R8A77965_CLK_S0D3,	CLK_S0,		3, 1),
     86	DEF_FIXED("s0d4",	R8A77965_CLK_S0D4,	CLK_S0,		4, 1),
     87	DEF_FIXED("s0d6",	R8A77965_CLK_S0D6,	CLK_S0,		6, 1),
     88	DEF_FIXED("s0d8",	R8A77965_CLK_S0D8,	CLK_S0,		8, 1),
     89	DEF_FIXED("s0d12",	R8A77965_CLK_S0D12,	CLK_S0,		12, 1),
     90	DEF_FIXED("s1d1",	R8A77965_CLK_S1D1,	CLK_S1,		1, 1),
     91	DEF_FIXED("s1d2",	R8A77965_CLK_S1D2,	CLK_S1,		2, 1),
     92	DEF_FIXED("s1d4",	R8A77965_CLK_S1D4,	CLK_S1,		4, 1),
     93	DEF_FIXED("s2d1",	R8A77965_CLK_S2D1,	CLK_S2,		1, 1),
     94	DEF_FIXED("s2d2",	R8A77965_CLK_S2D2,	CLK_S2,		2, 1),
     95	DEF_FIXED("s2d4",	R8A77965_CLK_S2D4,	CLK_S2,		4, 1),
     96	DEF_FIXED("s3d1",	R8A77965_CLK_S3D1,	CLK_S3,		1, 1),
     97	DEF_FIXED("s3d2",	R8A77965_CLK_S3D2,	CLK_S3,		2, 1),
     98	DEF_FIXED("s3d4",	R8A77965_CLK_S3D4,	CLK_S3,		4, 1),
     99
    100	DEF_GEN3_SDH("sd0h",	R8A77965_CLK_SD0H,	CLK_SDSRC,         0x074),
    101	DEF_GEN3_SDH("sd1h",	R8A77965_CLK_SD1H,	CLK_SDSRC,         0x078),
    102	DEF_GEN3_SDH("sd2h",	R8A77965_CLK_SD2H,	CLK_SDSRC,         0x268),
    103	DEF_GEN3_SDH("sd3h",	R8A77965_CLK_SD3H,	CLK_SDSRC,         0x26c),
    104	DEF_GEN3_SD("sd0",	R8A77965_CLK_SD0,	R8A77965_CLK_SD0H, 0x074),
    105	DEF_GEN3_SD("sd1",	R8A77965_CLK_SD1,	R8A77965_CLK_SD1H, 0x078),
    106	DEF_GEN3_SD("sd2",	R8A77965_CLK_SD2,	R8A77965_CLK_SD2H, 0x268),
    107	DEF_GEN3_SD("sd3",	R8A77965_CLK_SD3,	R8A77965_CLK_SD3H, 0x26c),
    108
    109	DEF_BASE("rpc",		R8A77965_CLK_RPC,	CLK_TYPE_GEN3_RPC,   CLK_RPCSRC),
    110	DEF_BASE("rpcd2",	R8A77965_CLK_RPCD2,	CLK_TYPE_GEN3_RPCD2, R8A77965_CLK_RPC),
    111
    112	DEF_FIXED("cl",		R8A77965_CLK_CL,	CLK_PLL1_DIV2, 48, 1),
    113	DEF_FIXED("cr",         R8A77965_CLK_CR,	CLK_PLL1_DIV4,  2, 1),
    114	DEF_FIXED("cp",		R8A77965_CLK_CP,	CLK_EXTAL,	2, 1),
    115	DEF_FIXED("cpex",	R8A77965_CLK_CPEX,	CLK_EXTAL,	2, 1),
    116
    117	DEF_DIV6P1("canfd",	R8A77965_CLK_CANFD,	CLK_PLL1_DIV4,	0x244),
    118	DEF_DIV6P1("csi0",	R8A77965_CLK_CSI0,	CLK_PLL1_DIV4,	0x00c),
    119	DEF_DIV6P1("mso",	R8A77965_CLK_MSO,	CLK_PLL1_DIV4,	0x014),
    120	DEF_DIV6P1("hdmi",	R8A77965_CLK_HDMI,	CLK_PLL1_DIV4,	0x250),
    121
    122	DEF_GEN3_OSC("osc",	R8A77965_CLK_OSC,	CLK_EXTAL,	8),
    123
    124	DEF_BASE("r",		R8A77965_CLK_R,	CLK_TYPE_GEN3_R, CLK_RINT),
    125};
    126
    127static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = {
    128	DEF_MOD("fdp1-0",		119,	R8A77965_CLK_S0D1),
    129	DEF_MOD("tmu4",			121,	R8A77965_CLK_S0D6),
    130	DEF_MOD("tmu3",			122,	R8A77965_CLK_S3D2),
    131	DEF_MOD("tmu2",			123,	R8A77965_CLK_S3D2),
    132	DEF_MOD("tmu1",			124,	R8A77965_CLK_S3D2),
    133	DEF_MOD("tmu0",			125,	R8A77965_CLK_CP),
    134	DEF_MOD("scif5",		202,	R8A77965_CLK_S3D4),
    135	DEF_MOD("scif4",		203,	R8A77965_CLK_S3D4),
    136	DEF_MOD("scif3",		204,	R8A77965_CLK_S3D4),
    137	DEF_MOD("scif1",		206,	R8A77965_CLK_S3D4),
    138	DEF_MOD("scif0",		207,	R8A77965_CLK_S3D4),
    139	DEF_MOD("msiof3",		208,	R8A77965_CLK_MSO),
    140	DEF_MOD("msiof2",		209,	R8A77965_CLK_MSO),
    141	DEF_MOD("msiof1",		210,	R8A77965_CLK_MSO),
    142	DEF_MOD("msiof0",		211,	R8A77965_CLK_MSO),
    143	DEF_MOD("sys-dmac2",		217,	R8A77965_CLK_S3D1),
    144	DEF_MOD("sys-dmac1",		218,	R8A77965_CLK_S3D1),
    145	DEF_MOD("sys-dmac0",		219,	R8A77965_CLK_S0D3),
    146	DEF_MOD("sceg-pub",		229,	R8A77965_CLK_CR),
    147
    148	DEF_MOD("cmt3",			300,	R8A77965_CLK_R),
    149	DEF_MOD("cmt2",			301,	R8A77965_CLK_R),
    150	DEF_MOD("cmt1",			302,	R8A77965_CLK_R),
    151	DEF_MOD("cmt0",			303,	R8A77965_CLK_R),
    152	DEF_MOD("tpu0",			304,	R8A77965_CLK_S3D4),
    153	DEF_MOD("scif2",		310,	R8A77965_CLK_S3D4),
    154	DEF_MOD("sdif3",		311,	R8A77965_CLK_SD3),
    155	DEF_MOD("sdif2",		312,	R8A77965_CLK_SD2),
    156	DEF_MOD("sdif1",		313,	R8A77965_CLK_SD1),
    157	DEF_MOD("sdif0",		314,	R8A77965_CLK_SD0),
    158	DEF_MOD("pcie1",		318,	R8A77965_CLK_S3D1),
    159	DEF_MOD("pcie0",		319,	R8A77965_CLK_S3D1),
    160	DEF_MOD("usb3-if0",		328,	R8A77965_CLK_S3D1),
    161	DEF_MOD("usb-dmac0",		330,	R8A77965_CLK_S3D1),
    162	DEF_MOD("usb-dmac1",		331,	R8A77965_CLK_S3D1),
    163
    164	DEF_MOD("rwdt",			402,	R8A77965_CLK_R),
    165	DEF_MOD("intc-ex",		407,	R8A77965_CLK_CP),
    166	DEF_MOD("intc-ap",		408,	R8A77965_CLK_S0D3),
    167
    168	DEF_MOD("audmac1",		501,	R8A77965_CLK_S1D2),
    169	DEF_MOD("audmac0",		502,	R8A77965_CLK_S1D2),
    170	DEF_MOD("drif31",		508,	R8A77965_CLK_S3D2),
    171	DEF_MOD("drif30",		509,	R8A77965_CLK_S3D2),
    172	DEF_MOD("drif21",		510,	R8A77965_CLK_S3D2),
    173	DEF_MOD("drif20",		511,	R8A77965_CLK_S3D2),
    174	DEF_MOD("drif11",		512,	R8A77965_CLK_S3D2),
    175	DEF_MOD("drif10",		513,	R8A77965_CLK_S3D2),
    176	DEF_MOD("drif01",		514,	R8A77965_CLK_S3D2),
    177	DEF_MOD("drif00",		515,	R8A77965_CLK_S3D2),
    178	DEF_MOD("hscif4",		516,	R8A77965_CLK_S3D1),
    179	DEF_MOD("hscif3",		517,	R8A77965_CLK_S3D1),
    180	DEF_MOD("hscif2",		518,	R8A77965_CLK_S3D1),
    181	DEF_MOD("hscif1",		519,	R8A77965_CLK_S3D1),
    182	DEF_MOD("hscif0",		520,	R8A77965_CLK_S3D1),
    183	DEF_MOD("thermal",		522,	R8A77965_CLK_CP),
    184	DEF_MOD("pwm",			523,	R8A77965_CLK_S0D12),
    185
    186	DEF_MOD("fcpvd1",		602,	R8A77965_CLK_S0D2),
    187	DEF_MOD("fcpvd0",		603,	R8A77965_CLK_S0D2),
    188	DEF_MOD("fcpvb0",		607,	R8A77965_CLK_S0D1),
    189	DEF_MOD("fcpvi0",		611,	R8A77965_CLK_S0D1),
    190	DEF_MOD("fcpf0",		615,	R8A77965_CLK_S0D1),
    191	DEF_MOD("fcpcs",		619,	R8A77965_CLK_S0D2),
    192	DEF_MOD("vspd1",		622,	R8A77965_CLK_S0D2),
    193	DEF_MOD("vspd0",		623,	R8A77965_CLK_S0D2),
    194	DEF_MOD("vspb",			626,	R8A77965_CLK_S0D1),
    195	DEF_MOD("vspi0",		631,	R8A77965_CLK_S0D1),
    196
    197	DEF_MOD("ehci1",		702,	R8A77965_CLK_S3D2),
    198	DEF_MOD("ehci0",		703,	R8A77965_CLK_S3D2),
    199	DEF_MOD("hsusb",		704,	R8A77965_CLK_S3D2),
    200	DEF_MOD("cmm3",			708,	R8A77965_CLK_S2D1),
    201	DEF_MOD("cmm1",			710,	R8A77965_CLK_S2D1),
    202	DEF_MOD("cmm0",			711,	R8A77965_CLK_S2D1),
    203	DEF_MOD("csi20",		714,	R8A77965_CLK_CSI0),
    204	DEF_MOD("csi40",		716,	R8A77965_CLK_CSI0),
    205	DEF_MOD("du3",			721,	R8A77965_CLK_S2D1),
    206	DEF_MOD("du1",			723,	R8A77965_CLK_S2D1),
    207	DEF_MOD("du0",			724,	R8A77965_CLK_S2D1),
    208	DEF_MOD("lvds",			727,	R8A77965_CLK_S2D1),
    209	DEF_MOD("hdmi0",		729,	R8A77965_CLK_HDMI),
    210
    211	DEF_MOD("mlp",			802,	R8A77965_CLK_S2D1),
    212	DEF_MOD("vin7",			804,	R8A77965_CLK_S0D2),
    213	DEF_MOD("vin6",			805,	R8A77965_CLK_S0D2),
    214	DEF_MOD("vin5",			806,	R8A77965_CLK_S0D2),
    215	DEF_MOD("vin4",			807,	R8A77965_CLK_S0D2),
    216	DEF_MOD("vin3",			808,	R8A77965_CLK_S0D2),
    217	DEF_MOD("vin2",			809,	R8A77965_CLK_S0D2),
    218	DEF_MOD("vin1",			810,	R8A77965_CLK_S0D2),
    219	DEF_MOD("vin0",			811,	R8A77965_CLK_S0D2),
    220	DEF_MOD("etheravb",		812,	R8A77965_CLK_S0D6),
    221	DEF_MOD("sata0",		815,	R8A77965_CLK_S3D2),
    222	DEF_MOD("imr1",			822,	R8A77965_CLK_S0D2),
    223	DEF_MOD("imr0",			823,	R8A77965_CLK_S0D2),
    224
    225	DEF_MOD("gpio7",		905,	R8A77965_CLK_S3D4),
    226	DEF_MOD("gpio6",		906,	R8A77965_CLK_S3D4),
    227	DEF_MOD("gpio5",		907,	R8A77965_CLK_S3D4),
    228	DEF_MOD("gpio4",		908,	R8A77965_CLK_S3D4),
    229	DEF_MOD("gpio3",		909,	R8A77965_CLK_S3D4),
    230	DEF_MOD("gpio2",		910,	R8A77965_CLK_S3D4),
    231	DEF_MOD("gpio1",		911,	R8A77965_CLK_S3D4),
    232	DEF_MOD("gpio0",		912,	R8A77965_CLK_S3D4),
    233	DEF_MOD("can-fd",		914,	R8A77965_CLK_S3D2),
    234	DEF_MOD("can-if1",		915,	R8A77965_CLK_S3D4),
    235	DEF_MOD("can-if0",		916,	R8A77965_CLK_S3D4),
    236	DEF_MOD("rpc-if",		917,	R8A77965_CLK_RPCD2),
    237	DEF_MOD("i2c6",			918,	R8A77965_CLK_S0D6),
    238	DEF_MOD("i2c5",			919,	R8A77965_CLK_S0D6),
    239	DEF_MOD("i2c-dvfs",		926,	R8A77965_CLK_CP),
    240	DEF_MOD("i2c4",			927,	R8A77965_CLK_S0D6),
    241	DEF_MOD("i2c3",			928,	R8A77965_CLK_S0D6),
    242	DEF_MOD("i2c2",			929,	R8A77965_CLK_S3D2),
    243	DEF_MOD("i2c1",			930,	R8A77965_CLK_S3D2),
    244	DEF_MOD("i2c0",			931,	R8A77965_CLK_S3D2),
    245
    246	DEF_MOD("ssi-all",		1005,	R8A77965_CLK_S3D4),
    247	DEF_MOD("ssi9",			1006,	MOD_CLK_ID(1005)),
    248	DEF_MOD("ssi8",			1007,	MOD_CLK_ID(1005)),
    249	DEF_MOD("ssi7",			1008,	MOD_CLK_ID(1005)),
    250	DEF_MOD("ssi6",			1009,	MOD_CLK_ID(1005)),
    251	DEF_MOD("ssi5",			1010,	MOD_CLK_ID(1005)),
    252	DEF_MOD("ssi4",			1011,	MOD_CLK_ID(1005)),
    253	DEF_MOD("ssi3",			1012,	MOD_CLK_ID(1005)),
    254	DEF_MOD("ssi2",			1013,	MOD_CLK_ID(1005)),
    255	DEF_MOD("ssi1",			1014,	MOD_CLK_ID(1005)),
    256	DEF_MOD("ssi0",			1015,	MOD_CLK_ID(1005)),
    257	DEF_MOD("dab",			1016,	R8A77965_CLK_S0D6),
    258	DEF_MOD("scu-all",		1017,	R8A77965_CLK_S3D4),
    259	DEF_MOD("scu-dvc1",		1018,	MOD_CLK_ID(1017)),
    260	DEF_MOD("scu-dvc0",		1019,	MOD_CLK_ID(1017)),
    261	DEF_MOD("scu-ctu1-mix1",	1020,	MOD_CLK_ID(1017)),
    262	DEF_MOD("scu-ctu0-mix0",	1021,	MOD_CLK_ID(1017)),
    263	DEF_MOD("scu-src9",		1022,	MOD_CLK_ID(1017)),
    264	DEF_MOD("scu-src8",		1023,	MOD_CLK_ID(1017)),
    265	DEF_MOD("scu-src7",		1024,	MOD_CLK_ID(1017)),
    266	DEF_MOD("scu-src6",		1025,	MOD_CLK_ID(1017)),
    267	DEF_MOD("scu-src5",		1026,	MOD_CLK_ID(1017)),
    268	DEF_MOD("scu-src4",		1027,	MOD_CLK_ID(1017)),
    269	DEF_MOD("scu-src3",		1028,	MOD_CLK_ID(1017)),
    270	DEF_MOD("scu-src2",		1029,	MOD_CLK_ID(1017)),
    271	DEF_MOD("scu-src1",		1030,	MOD_CLK_ID(1017)),
    272	DEF_MOD("scu-src0",		1031,	MOD_CLK_ID(1017)),
    273};
    274
    275static const unsigned int r8a77965_crit_mod_clks[] __initconst = {
    276	MOD_CLK_ID(402),	/* RWDT */
    277	MOD_CLK_ID(408),	/* INTC-AP (GIC) */
    278};
    279
    280/*
    281 * CPG Clock Data
    282 */
    283
    284/*
    285 *   MD		EXTAL		PLL0	PLL1	PLL3	PLL4	OSC
    286 * 14 13 19 17	(MHz)
    287 *-----------------------------------------------------------------
    288 * 0  0  0  0	16.66 x 1	x180	x192	x192	x144	/16
    289 * 0  0  0  1	16.66 x 1	x180	x192	x128	x144	/16
    290 * 0  0  1  0	Prohibited setting
    291 * 0  0  1  1	16.66 x 1	x180	x192	x192	x144	/16
    292 * 0  1  0  0	20    x 1	x150	x160	x160	x120	/19
    293 * 0  1  0  1	20    x 1	x150	x160	x106	x120	/19
    294 * 0  1  1  0	Prohibited setting
    295 * 0  1  1  1	20    x 1	x150	x160	x160	x120	/19
    296 * 1  0  0  0	25    x 1	x120	x128	x128	x96	/24
    297 * 1  0  0  1	25    x 1	x120	x128	x84	x96	/24
    298 * 1  0  1  0	Prohibited setting
    299 * 1  0  1  1	25    x 1	x120	x128	x128	x96	/24
    300 * 1  1  0  0	33.33 / 2	x180	x192	x192	x144	/32
    301 * 1  1  0  1	33.33 / 2	x180	x192	x128	x144	/32
    302 * 1  1  1  0	Prohibited setting
    303 * 1  1  1  1	33.33 / 2	x180	x192	x192	x144	/32
    304 */
    305#define CPG_PLL_CONFIG_INDEX(md)	((((md) & BIT(14)) >> 11) | \
    306					 (((md) & BIT(13)) >> 11) | \
    307					 (((md) & BIT(19)) >> 18) | \
    308					 (((md) & BIT(17)) >> 17))
    309
    310static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
    311	/* EXTAL div	PLL1 mult/div	PLL3 mult/div	OSC prediv */
    312	{ 1,		192,	1,	192,	1,	16,	},
    313	{ 1,		192,	1,	128,	1,	16,	},
    314	{ 0, /* Prohibited setting */				},
    315	{ 1,		192,	1,	192,	1,	16,	},
    316	{ 1,		160,	1,	160,	1,	19,	},
    317	{ 1,		160,	1,	106,	1,	19,	},
    318	{ 0, /* Prohibited setting */				},
    319	{ 1,		160,	1,	160,	1,	19,	},
    320	{ 1,		128,	1,	128,	1,	24,	},
    321	{ 1,		128,	1,	84,	1,	24,	},
    322	{ 0, /* Prohibited setting */				},
    323	{ 1,		128,	1,	128,	1,	24,	},
    324	{ 2,		192,	1,	192,	1,	32,	},
    325	{ 2,		192,	1,	128,	1,	32,	},
    326	{ 0, /* Prohibited setting */				},
    327	{ 2,		192,	1,	192,	1,	32,	},
    328};
    329
    330static int __init r8a77965_cpg_mssr_init(struct device *dev)
    331{
    332	const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
    333	u32 cpg_mode;
    334	int error;
    335
    336	error = rcar_rst_read_mode_pins(&cpg_mode);
    337	if (error)
    338		return error;
    339
    340	cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
    341	if (!cpg_pll_config->extal_div) {
    342		dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode);
    343		return -EINVAL;
    344	}
    345
    346	return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
    347}
    348
    349const struct cpg_mssr_info r8a77965_cpg_mssr_info __initconst = {
    350	/* Core Clocks */
    351	.core_clks		= r8a77965_core_clks,
    352	.num_core_clks		= ARRAY_SIZE(r8a77965_core_clks),
    353	.last_dt_core_clk	= LAST_DT_CORE_CLK,
    354	.num_total_core_clks	= MOD_CLK_BASE,
    355
    356	/* Module Clocks */
    357	.mod_clks		= r8a77965_mod_clks,
    358	.num_mod_clks		= ARRAY_SIZE(r8a77965_mod_clks),
    359	.num_hw_mod_clks	= 12 * 32,
    360
    361	/* Critical Module Clocks */
    362	.crit_mod_clks		= r8a77965_crit_mod_clks,
    363	.num_crit_mod_clks	= ARRAY_SIZE(r8a77965_crit_mod_clks),
    364
    365	/* Callbacks */
    366	.init			= r8a77965_cpg_mssr_init,
    367	.cpg_clk_register	= rcar_gen3_cpg_clk_register,
    368};