Jorge Ramirez-Ortiz | bf084dc | 2018-09-23 09:36:13 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015-2018, Renesas Electronics Corporation. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <debug.h> |
| 8 | #include <mmio.h> |
| 9 | #include "rcar_def.h" |
| 10 | #include "cpg_registers.h" |
| 11 | #include "rcar_private.h" |
| 12 | |
| 13 | static void bl2_secure_cpg_init(void); |
| 14 | |
| 15 | #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_H3) || (RCAR_LSI == RCAR_H3N) |
| 16 | static void bl2_realtime_cpg_init_h3(void); |
| 17 | static void bl2_system_cpg_init_h3(void); |
| 18 | #endif |
| 19 | |
| 20 | #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3) |
| 21 | static void bl2_realtime_cpg_init_m3(void); |
| 22 | static void bl2_system_cpg_init_m3(void); |
| 23 | #endif |
| 24 | |
| 25 | #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N) |
| 26 | static void bl2_realtime_cpg_init_m3n(void); |
| 27 | static void bl2_system_cpg_init_m3n(void); |
| 28 | #endif |
| 29 | |
| 30 | #if (RCAR_LSI == RCAR_E3) |
| 31 | static void bl2_realtime_cpg_init_e3(void); |
| 32 | static void bl2_system_cpg_init_e3(void); |
| 33 | #endif |
| 34 | |
| 35 | typedef struct { |
| 36 | uintptr_t adr; |
| 37 | uint32_t val; |
| 38 | } reg_setting_t; |
| 39 | |
| 40 | static void bl2_secure_cpg_init(void) |
| 41 | { |
| 42 | uint32_t stop_cr2, reset_cr2; |
| 43 | |
| 44 | #if (RCAR_LSI == RCAR_E3) |
| 45 | reset_cr2 = 0x10000000U stop_cr2 = 0xEFFFFFFFU; |
| 46 | #else |
| 47 | reset_cr2 = 0x14000000U; |
| 48 | stop_cr2 = 0xEBFFFFFFU; |
| 49 | #endif |
| 50 | /** Secure Module Stop Control Registers */ |
| 51 | cpg_write(SCMSTPCR0, 0xFFFFFFFFU); |
| 52 | cpg_write(SCMSTPCR1, 0xFFFFFFFFU); |
| 53 | cpg_write(SCMSTPCR2, stop_cr2); |
| 54 | cpg_write(SCMSTPCR3, 0xFFFFFFFFU); |
| 55 | cpg_write(SCMSTPCR4, 0x7FFFFFFFU); |
| 56 | cpg_write(SCMSTPCR5, 0xBFFFFFFFU); |
| 57 | cpg_write(SCMSTPCR6, 0xFFFFFFFFU); |
| 58 | cpg_write(SCMSTPCR7, 0xFFFFFFFFU); |
| 59 | cpg_write(SCMSTPCR8, 0xFFFFFFFFU); |
| 60 | cpg_write(SCMSTPCR9, 0xFFFDFFFFU); |
| 61 | cpg_write(SCMSTPCR10, 0xFFFFFFFFU); |
| 62 | cpg_write(SCMSTPCR11, 0xFFFFFFFFU); |
| 63 | |
| 64 | /** Secure Software Reset Access Enable Control Registers */ |
| 65 | cpg_write(SCSRSTECR0, 0x00000000U); |
| 66 | cpg_write(SCSRSTECR1, 0x00000000U); |
| 67 | cpg_write(SCSRSTECR2, reset_cr2); |
| 68 | cpg_write(SCSRSTECR3, 0x00000000U); |
| 69 | cpg_write(SCSRSTECR4, 0x80000003U); |
| 70 | cpg_write(SCSRSTECR5, 0x40000000U); |
| 71 | cpg_write(SCSRSTECR6, 0x00000000U); |
| 72 | cpg_write(SCSRSTECR7, 0x00000000U); |
| 73 | cpg_write(SCSRSTECR8, 0x00000000U); |
| 74 | cpg_write(SCSRSTECR9, 0x00020000U); |
| 75 | cpg_write(SCSRSTECR10, 0x00000000U); |
| 76 | cpg_write(SCSRSTECR11, 0x00000000U); |
| 77 | } |
| 78 | |
| 79 | #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_H3) || (RCAR_LSI == RCAR_H3N) |
| 80 | static void bl2_realtime_cpg_init_h3(void) |
| 81 | { |
| 82 | uint32_t cut = mmio_read_32(RCAR_PRR) & RCAR_CUT_MASK; |
| 83 | uint32_t cr0, cr8; |
| 84 | |
| 85 | cr0 = (cut == RCAR_CUT_VER10 || cut == RCAR_CUT_VER11) ? |
| 86 | 0x00200000U : 0x00210000U; |
| 87 | cr8 = (cut == RCAR_CUT_VER10 || cut == RCAR_CUT_VER11) ? |
| 88 | 0x01F1FFF4U : 0x01F1FFF7U; |
| 89 | |
| 90 | cpg_write(RMSTPCR0, cr0); |
| 91 | cpg_write(RMSTPCR1, 0xFFFFFFFFU); |
| 92 | cpg_write(RMSTPCR2, 0x040E0FDCU); |
| 93 | cpg_write(RMSTPCR3, 0xFFFFFFDFU); |
| 94 | cpg_write(RMSTPCR4, 0x80000004U); |
| 95 | cpg_write(RMSTPCR5, 0xC3FFFFFFU); |
| 96 | cpg_write(RMSTPCR6, 0xFFFFFFFFU); |
| 97 | cpg_write(RMSTPCR7, 0xFFFFFFFFU); |
| 98 | cpg_write(RMSTPCR8, cr8); |
| 99 | cpg_write(RMSTPCR9, 0xFFFFFFFEU); |
| 100 | cpg_write(RMSTPCR10, 0xFFFEFFE0U); |
| 101 | cpg_write(RMSTPCR11, 0x000000B7U); |
| 102 | } |
| 103 | |
| 104 | static void bl2_system_cpg_init_h3(void) |
| 105 | { |
| 106 | /** System Module Stop Control Registers */ |
| 107 | cpg_write(SMSTPCR0, 0x00210000U); |
| 108 | cpg_write(SMSTPCR1, 0xFFFFFFFFU); |
| 109 | cpg_write(SMSTPCR2, 0x040E2FDCU); |
| 110 | cpg_write(SMSTPCR3, 0xFFFFFBDFU); |
| 111 | cpg_write(SMSTPCR4, 0x80000004U); |
| 112 | cpg_write(SMSTPCR5, 0xC3FFFFFFU); |
| 113 | cpg_write(SMSTPCR6, 0xFFFFFFFFU); |
| 114 | cpg_write(SMSTPCR7, 0xFFFFFFFFU); |
| 115 | cpg_write(SMSTPCR8, 0x01F1FFF5U); |
| 116 | cpg_write(SMSTPCR9, 0xFFFFFFFFU); |
| 117 | cpg_write(SMSTPCR10, 0xFFFEFFE0U); |
| 118 | cpg_write(SMSTPCR11, 0x000000B7U); |
| 119 | } |
| 120 | #endif |
| 121 | |
| 122 | #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3) |
| 123 | static void bl2_realtime_cpg_init_m3(void) |
| 124 | { |
| 125 | /** Realtime Module Stop Control Registers */ |
| 126 | cpg_write(RMSTPCR0, 0x00200000U); |
| 127 | cpg_write(RMSTPCR1, 0xFFFFFFFFU); |
| 128 | cpg_write(RMSTPCR2, 0x040E0FDCU); |
| 129 | cpg_write(RMSTPCR3, 0xFFFFFFDFU); |
| 130 | cpg_write(RMSTPCR4, 0x80000004U); |
| 131 | cpg_write(RMSTPCR5, 0xC3FFFFFFU); |
| 132 | cpg_write(RMSTPCR6, 0xFFFFFFFFU); |
| 133 | cpg_write(RMSTPCR7, 0xFFFFFFFFU); |
| 134 | cpg_write(RMSTPCR8, 0x01F1FFF7U); |
| 135 | cpg_write(RMSTPCR9, 0xFFFFFFFEU); |
| 136 | cpg_write(RMSTPCR10, 0xFFFEFFE0U); |
| 137 | cpg_write(RMSTPCR11, 0x000000B7U); |
| 138 | } |
| 139 | |
| 140 | static void bl2_system_cpg_init_m3(void) |
| 141 | { |
| 142 | /** System Module Stop Control Registers */ |
| 143 | cpg_write(SMSTPCR0, 0x00200000U); |
| 144 | cpg_write(SMSTPCR1, 0xFFFFFFFFU); |
| 145 | cpg_write(SMSTPCR2, 0x040E2FDCU); |
| 146 | cpg_write(SMSTPCR3, 0xFFFFFBDFU); |
| 147 | cpg_write(SMSTPCR4, 0x80000004U); |
| 148 | cpg_write(SMSTPCR5, 0xC3FFFFFFU); |
| 149 | cpg_write(SMSTPCR6, 0xFFFFFFFFU); |
| 150 | cpg_write(SMSTPCR7, 0xFFFFFFFFU); |
| 151 | cpg_write(SMSTPCR8, 0x01F1FFF7U); |
| 152 | cpg_write(SMSTPCR9, 0xFFFFFFFFU); |
| 153 | cpg_write(SMSTPCR10, 0xFFFEFFE0U); |
| 154 | cpg_write(SMSTPCR11, 0x000000B7U); |
| 155 | } |
| 156 | #endif |
| 157 | |
| 158 | #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N) |
| 159 | static void bl2_realtime_cpg_init_m3n(void) |
| 160 | { |
| 161 | /** Realtime Module Stop Control Registers */ |
| 162 | cpg_write(RMSTPCR0, 0x00210000U); |
| 163 | cpg_write(RMSTPCR1, 0xFFFFFFFFU); |
| 164 | cpg_write(RMSTPCR2, 0x040E0FDCU); |
| 165 | cpg_write(RMSTPCR3, 0xFFFFFFDFU); |
| 166 | cpg_write(RMSTPCR4, 0x80000004U); |
| 167 | cpg_write(RMSTPCR5, 0xC3FFFFFFU); |
| 168 | cpg_write(RMSTPCR6, 0xFFFFFFFFU); |
| 169 | cpg_write(RMSTPCR7, 0xFFFFFFFFU); |
| 170 | cpg_write(RMSTPCR8, 0x00F1FFF7U); |
| 171 | cpg_write(RMSTPCR9, 0xFFFFFFFFU); |
| 172 | cpg_write(RMSTPCR10, 0xFFFFFFE0U); |
| 173 | cpg_write(RMSTPCR11, 0x000000B7U); |
| 174 | } |
| 175 | |
| 176 | static void bl2_system_cpg_init_m3n(void) |
| 177 | { |
| 178 | /* System Module Stop Control Registers */ |
| 179 | cpg_write(SMSTPCR0, 0x00210000U); |
| 180 | cpg_write(SMSTPCR1, 0xFFFFFFFFU); |
| 181 | cpg_write(SMSTPCR2, 0x040E2FDCU); |
| 182 | cpg_write(SMSTPCR3, 0xFFFFFBDFU); |
| 183 | cpg_write(SMSTPCR4, 0x80000004U); |
| 184 | cpg_write(SMSTPCR5, 0xC3FFFFFFU); |
| 185 | cpg_write(SMSTPCR6, 0xFFFFFFFFU); |
| 186 | cpg_write(SMSTPCR7, 0xFFFFFFFFU); |
| 187 | cpg_write(SMSTPCR8, 0x00F1FFF7U); |
| 188 | cpg_write(SMSTPCR9, 0xFFFFFFFFU); |
| 189 | cpg_write(SMSTPCR10, 0xFFFFFFE0U); |
| 190 | cpg_write(SMSTPCR11, 0x000000B7U); |
| 191 | } |
| 192 | #endif |
| 193 | |
| 194 | #if (RCAR_LSI == RCAR_E3) |
| 195 | static void bl2_realtime_cpg_init_e3(void) |
| 196 | { |
| 197 | /* Realtime Module Stop Control Registers */ |
| 198 | cpg_write(RMSTPCR0, 0x00210000U); |
| 199 | cpg_write(RMSTPCR1, 0xFFFFFFFFU); |
| 200 | cpg_write(RMSTPCR2, 0x000E0FDCU); |
| 201 | cpg_write(RMSTPCR3, 0xFFFFFFDFU); |
| 202 | cpg_write(RMSTPCR4, 0x80000004U); |
| 203 | cpg_write(RMSTPCR5, 0xC3FFFFFFU); |
| 204 | cpg_write(RMSTPCR6, 0xFFFFFFFFU); |
| 205 | cpg_write(RMSTPCR7, 0xFFFFFFFFU); |
| 206 | cpg_write(RMSTPCR8, 0x00F1FFF7U); |
| 207 | cpg_write(RMSTPCR9, 0xFFFFFFDFU); |
| 208 | cpg_write(RMSTPCR10, 0xFFFFFFE8U); |
| 209 | cpg_write(RMSTPCR11, 0x000000B7U); |
| 210 | } |
| 211 | |
| 212 | static void bl2_system_cpg_init_e3(void) |
| 213 | { |
| 214 | /* System Module Stop Control Registers */ |
| 215 | cpg_write(SMSTPCR0, 0x00210000U); |
| 216 | cpg_write(SMSTPCR1, 0xFFFFFFFFU); |
| 217 | cpg_write(SMSTPCR2, 0x000E2FDCU); |
| 218 | cpg_write(SMSTPCR3, 0xFFFFFBDFU); |
| 219 | cpg_write(SMSTPCR4, 0x80000004U); |
| 220 | cpg_write(SMSTPCR5, 0xC3FFFFFFU); |
| 221 | cpg_write(SMSTPCR6, 0xFFFFFFFFU); |
| 222 | cpg_write(SMSTPCR7, 0xFFFFFFFFU); |
| 223 | cpg_write(SMSTPCR8, 0x00F1FFF7U); |
| 224 | cpg_write(SMSTPCR9, 0xFFFFFFDFU); |
| 225 | cpg_write(SMSTPCR10, 0xFFFFFFE8U); |
| 226 | cpg_write(SMSTPCR11, 0x000000B7U); |
| 227 | } |
| 228 | #endif |
| 229 | |
| 230 | void bl2_cpg_init(void) |
| 231 | { |
| 232 | uint32_t boot_cpu = mmio_read_32(RCAR_MODEMR) & MODEMR_BOOT_CPU_MASK; |
| 233 | #if RCAR_LSI == RCAR_AUTO |
| 234 | uint32_t product = mmio_read_32(RCAR_PRR) & RCAR_PRODUCT_MASK; |
| 235 | #endif |
| 236 | bl2_secure_cpg_init(); |
| 237 | |
| 238 | if (boot_cpu == MODEMR_BOOT_CPU_CA57 || |
| 239 | boot_cpu == MODEMR_BOOT_CPU_CA53) { |
| 240 | #if RCAR_LSI == RCAR_AUTO |
| 241 | |
| 242 | switch (product) { |
| 243 | case RCAR_PRODUCT_H3: |
| 244 | bl2_realtime_cpg_init_h3(); |
| 245 | break; |
| 246 | case RCAR_PRODUCT_M3: |
| 247 | bl2_realtime_cpg_init_m3(); |
| 248 | break; |
| 249 | case RCAR_PRODUCT_M3N: |
| 250 | bl2_realtime_cpg_init_m3n(); |
| 251 | break; |
| 252 | default: |
| 253 | panic(); |
| 254 | break; |
| 255 | } |
| 256 | #elif (RCAR_LSI == RCAR_H3) || (RCAR_LSI == RCAR_H3N) |
| 257 | bl2_realtime_cpg_init_h3(); |
| 258 | #elif RCAR_LSI == RCAR_M3 |
| 259 | bl2_realtime_cpg_init_m3(); |
| 260 | #elif RCAR_LSI == RCAR_M3N |
| 261 | bl2_realtime_cpg_init_m3n(); |
| 262 | #elif RCAR_LSI == RCAR_E3 |
| 263 | bl2_realtime_cpg_init_e3(); |
| 264 | #else |
| 265 | #error "Don't have CPG initialize routine(unknown)." |
| 266 | #endif |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | void bl2_system_cpg_init(void) |
| 271 | { |
| 272 | #if RCAR_LSI == RCAR_AUTO |
| 273 | uint32_t product = mmio_read_32(RCAR_PRR) & RCAR_PRODUCT_MASK; |
| 274 | |
| 275 | switch (product) { |
| 276 | case RCAR_PRODUCT_H3: |
| 277 | bl2_system_cpg_init_h3(); |
| 278 | break; |
| 279 | case RCAR_PRODUCT_M3: |
| 280 | bl2_system_cpg_init_m3(); |
| 281 | break; |
| 282 | case RCAR_PRODUCT_M3N: |
| 283 | bl2_system_cpg_init_m3n(); |
| 284 | break; |
| 285 | default: |
| 286 | panic(); |
| 287 | break; |
| 288 | } |
| 289 | #elif (RCAR_LSI == RCAR_H3) || (RCAR_LSI == RCAR_H3N) |
| 290 | bl2_system_cpg_init_h3(); |
| 291 | #elif RCAR_LSI == RCAR_M3 |
| 292 | bl2_system_cpg_init_m3(); |
| 293 | #elif RCAR_LSI == RCAR_M3N |
| 294 | bl2_system_cpg_init_m3n(); |
| 295 | #elif RCAR_LSI == RCAR_E3 |
| 296 | bl2_system_cpg_init_e3(); |
| 297 | #else |
| 298 | #error "Don't have CPG initialize routine(unknown)." |
| 299 | #endif |
| 300 | } |