Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * IMX6 Clock Control Module |
| 3 | * |
| 4 | * Copyright (c) 2015 Jean-Christophe Dubois <jcd@tribudubois.net> |
| 5 | * |
| 6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 7 | * See the COPYING file in the top-level directory. |
| 8 | * |
| 9 | * To get the timer frequencies right, we need to emulate at least part of |
| 10 | * the CCM. |
| 11 | */ |
| 12 | |
| 13 | #include "qemu/osdep.h" |
| 14 | #include "hw/misc/imx6_ccm.h" |
Markus Armbruster | d645427 | 2019-08-12 07:23:45 +0200 | [diff] [blame] | 15 | #include "migration/vmstate.h" |
Paolo Bonzini | 03dd024 | 2015-12-15 13:16:16 +0100 | [diff] [blame] | 16 | #include "qemu/log.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 17 | #include "qemu/module.h" |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 18 | #include "trace.h" |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 19 | |
Peter Maydell | d675765 | 2016-09-22 18:13:09 +0100 | [diff] [blame] | 20 | static const char *imx6_ccm_reg_name(uint32_t reg) |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 21 | { |
| 22 | static char unknown[20]; |
| 23 | |
| 24 | switch (reg) { |
| 25 | case CCM_CCR: |
| 26 | return "CCR"; |
| 27 | case CCM_CCDR: |
| 28 | return "CCDR"; |
| 29 | case CCM_CSR: |
| 30 | return "CSR"; |
| 31 | case CCM_CCSR: |
| 32 | return "CCSR"; |
| 33 | case CCM_CACRR: |
| 34 | return "CACRR"; |
| 35 | case CCM_CBCDR: |
| 36 | return "CBCDR"; |
| 37 | case CCM_CBCMR: |
| 38 | return "CBCMR"; |
| 39 | case CCM_CSCMR1: |
| 40 | return "CSCMR1"; |
| 41 | case CCM_CSCMR2: |
| 42 | return "CSCMR2"; |
| 43 | case CCM_CSCDR1: |
| 44 | return "CSCDR1"; |
| 45 | case CCM_CS1CDR: |
| 46 | return "CS1CDR"; |
| 47 | case CCM_CS2CDR: |
| 48 | return "CS2CDR"; |
| 49 | case CCM_CDCDR: |
| 50 | return "CDCDR"; |
| 51 | case CCM_CHSCCDR: |
| 52 | return "CHSCCDR"; |
| 53 | case CCM_CSCDR2: |
| 54 | return "CSCDR2"; |
| 55 | case CCM_CSCDR3: |
| 56 | return "CSCDR3"; |
| 57 | case CCM_CDHIPR: |
| 58 | return "CDHIPR"; |
| 59 | case CCM_CTOR: |
| 60 | return "CTOR"; |
| 61 | case CCM_CLPCR: |
| 62 | return "CLPCR"; |
| 63 | case CCM_CISR: |
| 64 | return "CISR"; |
| 65 | case CCM_CIMR: |
| 66 | return "CIMR"; |
| 67 | case CCM_CCOSR: |
| 68 | return "CCOSR"; |
| 69 | case CCM_CGPR: |
| 70 | return "CGPR"; |
| 71 | case CCM_CCGR0: |
| 72 | return "CCGR0"; |
| 73 | case CCM_CCGR1: |
| 74 | return "CCGR1"; |
| 75 | case CCM_CCGR2: |
| 76 | return "CCGR2"; |
| 77 | case CCM_CCGR3: |
| 78 | return "CCGR3"; |
| 79 | case CCM_CCGR4: |
| 80 | return "CCGR4"; |
| 81 | case CCM_CCGR5: |
| 82 | return "CCGR5"; |
| 83 | case CCM_CCGR6: |
| 84 | return "CCGR6"; |
| 85 | case CCM_CMEOR: |
| 86 | return "CMEOR"; |
| 87 | default: |
Philippe Mathieu-Daudé | ca4af17 | 2024-04-11 12:31:14 +0200 | [diff] [blame] | 88 | snprintf(unknown, sizeof(unknown), "%u ?", reg); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 89 | return unknown; |
| 90 | } |
| 91 | } |
| 92 | |
Peter Maydell | d675765 | 2016-09-22 18:13:09 +0100 | [diff] [blame] | 93 | static const char *imx6_analog_reg_name(uint32_t reg) |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 94 | { |
| 95 | static char unknown[20]; |
| 96 | |
| 97 | switch (reg) { |
| 98 | case CCM_ANALOG_PLL_ARM: |
| 99 | return "PLL_ARM"; |
| 100 | case CCM_ANALOG_PLL_ARM_SET: |
| 101 | return "PLL_ARM_SET"; |
| 102 | case CCM_ANALOG_PLL_ARM_CLR: |
| 103 | return "PLL_ARM_CLR"; |
| 104 | case CCM_ANALOG_PLL_ARM_TOG: |
| 105 | return "PLL_ARM_TOG"; |
| 106 | case CCM_ANALOG_PLL_USB1: |
| 107 | return "PLL_USB1"; |
| 108 | case CCM_ANALOG_PLL_USB1_SET: |
| 109 | return "PLL_USB1_SET"; |
| 110 | case CCM_ANALOG_PLL_USB1_CLR: |
| 111 | return "PLL_USB1_CLR"; |
| 112 | case CCM_ANALOG_PLL_USB1_TOG: |
| 113 | return "PLL_USB1_TOG"; |
| 114 | case CCM_ANALOG_PLL_USB2: |
| 115 | return "PLL_USB2"; |
| 116 | case CCM_ANALOG_PLL_USB2_SET: |
| 117 | return "PLL_USB2_SET"; |
| 118 | case CCM_ANALOG_PLL_USB2_CLR: |
| 119 | return "PLL_USB2_CLR"; |
| 120 | case CCM_ANALOG_PLL_USB2_TOG: |
| 121 | return "PLL_USB2_TOG"; |
| 122 | case CCM_ANALOG_PLL_SYS: |
| 123 | return "PLL_SYS"; |
| 124 | case CCM_ANALOG_PLL_SYS_SET: |
| 125 | return "PLL_SYS_SET"; |
| 126 | case CCM_ANALOG_PLL_SYS_CLR: |
| 127 | return "PLL_SYS_CLR"; |
| 128 | case CCM_ANALOG_PLL_SYS_TOG: |
| 129 | return "PLL_SYS_TOG"; |
| 130 | case CCM_ANALOG_PLL_SYS_SS: |
| 131 | return "PLL_SYS_SS"; |
| 132 | case CCM_ANALOG_PLL_SYS_NUM: |
| 133 | return "PLL_SYS_NUM"; |
| 134 | case CCM_ANALOG_PLL_SYS_DENOM: |
| 135 | return "PLL_SYS_DENOM"; |
| 136 | case CCM_ANALOG_PLL_AUDIO: |
| 137 | return "PLL_AUDIO"; |
| 138 | case CCM_ANALOG_PLL_AUDIO_SET: |
| 139 | return "PLL_AUDIO_SET"; |
| 140 | case CCM_ANALOG_PLL_AUDIO_CLR: |
| 141 | return "PLL_AUDIO_CLR"; |
| 142 | case CCM_ANALOG_PLL_AUDIO_TOG: |
| 143 | return "PLL_AUDIO_TOG"; |
| 144 | case CCM_ANALOG_PLL_AUDIO_NUM: |
| 145 | return "PLL_AUDIO_NUM"; |
| 146 | case CCM_ANALOG_PLL_AUDIO_DENOM: |
| 147 | return "PLL_AUDIO_DENOM"; |
| 148 | case CCM_ANALOG_PLL_VIDEO: |
| 149 | return "PLL_VIDEO"; |
| 150 | case CCM_ANALOG_PLL_VIDEO_SET: |
| 151 | return "PLL_VIDEO_SET"; |
| 152 | case CCM_ANALOG_PLL_VIDEO_CLR: |
| 153 | return "PLL_VIDEO_CLR"; |
| 154 | case CCM_ANALOG_PLL_VIDEO_TOG: |
| 155 | return "PLL_VIDEO_TOG"; |
| 156 | case CCM_ANALOG_PLL_VIDEO_NUM: |
| 157 | return "PLL_VIDEO_NUM"; |
| 158 | case CCM_ANALOG_PLL_VIDEO_DENOM: |
| 159 | return "PLL_VIDEO_DENOM"; |
| 160 | case CCM_ANALOG_PLL_MLB: |
| 161 | return "PLL_MLB"; |
| 162 | case CCM_ANALOG_PLL_MLB_SET: |
| 163 | return "PLL_MLB_SET"; |
| 164 | case CCM_ANALOG_PLL_MLB_CLR: |
| 165 | return "PLL_MLB_CLR"; |
| 166 | case CCM_ANALOG_PLL_MLB_TOG: |
| 167 | return "PLL_MLB_TOG"; |
| 168 | case CCM_ANALOG_PLL_ENET: |
| 169 | return "PLL_ENET"; |
| 170 | case CCM_ANALOG_PLL_ENET_SET: |
| 171 | return "PLL_ENET_SET"; |
| 172 | case CCM_ANALOG_PLL_ENET_CLR: |
| 173 | return "PLL_ENET_CLR"; |
| 174 | case CCM_ANALOG_PLL_ENET_TOG: |
| 175 | return "PLL_ENET_TOG"; |
| 176 | case CCM_ANALOG_PFD_480: |
| 177 | return "PFD_480"; |
| 178 | case CCM_ANALOG_PFD_480_SET: |
| 179 | return "PFD_480_SET"; |
| 180 | case CCM_ANALOG_PFD_480_CLR: |
| 181 | return "PFD_480_CLR"; |
| 182 | case CCM_ANALOG_PFD_480_TOG: |
| 183 | return "PFD_480_TOG"; |
| 184 | case CCM_ANALOG_PFD_528: |
| 185 | return "PFD_528"; |
| 186 | case CCM_ANALOG_PFD_528_SET: |
| 187 | return "PFD_528_SET"; |
| 188 | case CCM_ANALOG_PFD_528_CLR: |
| 189 | return "PFD_528_CLR"; |
| 190 | case CCM_ANALOG_PFD_528_TOG: |
| 191 | return "PFD_528_TOG"; |
| 192 | case CCM_ANALOG_MISC0: |
| 193 | return "MISC0"; |
| 194 | case CCM_ANALOG_MISC0_SET: |
| 195 | return "MISC0_SET"; |
| 196 | case CCM_ANALOG_MISC0_CLR: |
| 197 | return "MISC0_CLR"; |
| 198 | case CCM_ANALOG_MISC0_TOG: |
| 199 | return "MISC0_TOG"; |
| 200 | case CCM_ANALOG_MISC2: |
| 201 | return "MISC2"; |
| 202 | case CCM_ANALOG_MISC2_SET: |
| 203 | return "MISC2_SET"; |
| 204 | case CCM_ANALOG_MISC2_CLR: |
| 205 | return "MISC2_CLR"; |
| 206 | case CCM_ANALOG_MISC2_TOG: |
| 207 | return "MISC2_TOG"; |
| 208 | case PMU_REG_1P1: |
| 209 | return "PMU_REG_1P1"; |
| 210 | case PMU_REG_3P0: |
| 211 | return "PMU_REG_3P0"; |
| 212 | case PMU_REG_2P5: |
| 213 | return "PMU_REG_2P5"; |
| 214 | case PMU_REG_CORE: |
| 215 | return "PMU_REG_CORE"; |
| 216 | case PMU_MISC1: |
| 217 | return "PMU_MISC1"; |
| 218 | case PMU_MISC1_SET: |
| 219 | return "PMU_MISC1_SET"; |
| 220 | case PMU_MISC1_CLR: |
| 221 | return "PMU_MISC1_CLR"; |
| 222 | case PMU_MISC1_TOG: |
| 223 | return "PMU_MISC1_TOG"; |
| 224 | case USB_ANALOG_DIGPROG: |
| 225 | return "USB_ANALOG_DIGPROG"; |
| 226 | default: |
Philippe Mathieu-Daudé | ca4af17 | 2024-04-11 12:31:14 +0200 | [diff] [blame] | 227 | snprintf(unknown, sizeof(unknown), "%u ?", reg); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 228 | return unknown; |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | #define CKIH_FREQ 24000000 /* 24MHz crystal input */ |
| 233 | |
| 234 | static const VMStateDescription vmstate_imx6_ccm = { |
| 235 | .name = TYPE_IMX6_CCM, |
| 236 | .version_id = 1, |
| 237 | .minimum_version_id = 1, |
Richard Henderson | e4ea952 | 2023-12-21 14:16:21 +1100 | [diff] [blame] | 238 | .fields = (const VMStateField[]) { |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 239 | VMSTATE_UINT32_ARRAY(ccm, IMX6CCMState, CCM_MAX), |
| 240 | VMSTATE_UINT32_ARRAY(analog, IMX6CCMState, CCM_ANALOG_MAX), |
| 241 | VMSTATE_END_OF_LIST() |
| 242 | }, |
| 243 | }; |
| 244 | |
| 245 | static uint64_t imx6_analog_get_pll2_clk(IMX6CCMState *dev) |
| 246 | { |
| 247 | uint64_t freq = 24000000; |
| 248 | |
| 249 | if (EXTRACT(dev->analog[CCM_ANALOG_PLL_SYS], DIV_SELECT)) { |
| 250 | freq *= 22; |
| 251 | } else { |
| 252 | freq *= 20; |
| 253 | } |
| 254 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 255 | trace_imx6_analog_get_pll2_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 256 | |
| 257 | return freq; |
| 258 | } |
| 259 | |
| 260 | static uint64_t imx6_analog_get_pll2_pfd0_clk(IMX6CCMState *dev) |
| 261 | { |
| 262 | uint64_t freq = 0; |
| 263 | |
| 264 | freq = imx6_analog_get_pll2_clk(dev) * 18 |
| 265 | / EXTRACT(dev->analog[CCM_ANALOG_PFD_528], PFD0_FRAC); |
| 266 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 267 | trace_imx6_analog_get_pll2_pfd0_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 268 | |
| 269 | return freq; |
| 270 | } |
| 271 | |
| 272 | static uint64_t imx6_analog_get_pll2_pfd2_clk(IMX6CCMState *dev) |
| 273 | { |
| 274 | uint64_t freq = 0; |
| 275 | |
| 276 | freq = imx6_analog_get_pll2_clk(dev) * 18 |
| 277 | / EXTRACT(dev->analog[CCM_ANALOG_PFD_528], PFD2_FRAC); |
| 278 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 279 | trace_imx6_analog_get_pll2_pfd2_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 280 | |
| 281 | return freq; |
| 282 | } |
| 283 | |
| 284 | static uint64_t imx6_analog_get_periph_clk(IMX6CCMState *dev) |
| 285 | { |
| 286 | uint64_t freq = 0; |
| 287 | |
| 288 | switch (EXTRACT(dev->ccm[CCM_CBCMR], PRE_PERIPH_CLK_SEL)) { |
| 289 | case 0: |
| 290 | freq = imx6_analog_get_pll2_clk(dev); |
| 291 | break; |
| 292 | case 1: |
| 293 | freq = imx6_analog_get_pll2_pfd2_clk(dev); |
| 294 | break; |
| 295 | case 2: |
| 296 | freq = imx6_analog_get_pll2_pfd0_clk(dev); |
| 297 | break; |
| 298 | case 3: |
| 299 | freq = imx6_analog_get_pll2_pfd2_clk(dev) / 2; |
| 300 | break; |
| 301 | default: |
| 302 | /* We should never get there */ |
| 303 | g_assert_not_reached(); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 304 | } |
| 305 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 306 | trace_imx6_analog_get_periph_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 307 | |
| 308 | return freq; |
| 309 | } |
| 310 | |
| 311 | static uint64_t imx6_ccm_get_ahb_clk(IMX6CCMState *dev) |
| 312 | { |
| 313 | uint64_t freq = 0; |
| 314 | |
| 315 | freq = imx6_analog_get_periph_clk(dev) |
| 316 | / (1 + EXTRACT(dev->ccm[CCM_CBCDR], AHB_PODF)); |
| 317 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 318 | trace_imx6_ccm_get_ahb_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 319 | |
| 320 | return freq; |
| 321 | } |
| 322 | |
| 323 | static uint64_t imx6_ccm_get_ipg_clk(IMX6CCMState *dev) |
| 324 | { |
| 325 | uint64_t freq = 0; |
| 326 | |
| 327 | freq = imx6_ccm_get_ahb_clk(dev) |
Ladi Prosek | 3c254ab | 2017-10-17 16:40:51 +0200 | [diff] [blame] | 328 | / (1 + EXTRACT(dev->ccm[CCM_CBCDR], IPG_PODF)); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 329 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 330 | trace_imx6_ccm_get_ipg_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 331 | |
| 332 | return freq; |
| 333 | } |
| 334 | |
| 335 | static uint64_t imx6_ccm_get_per_clk(IMX6CCMState *dev) |
| 336 | { |
| 337 | uint64_t freq = 0; |
| 338 | |
| 339 | freq = imx6_ccm_get_ipg_clk(dev) |
| 340 | / (1 + EXTRACT(dev->ccm[CCM_CSCMR1], PERCLK_PODF)); |
| 341 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 342 | trace_imx6_ccm_get_per_clk(freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 343 | |
| 344 | return freq; |
| 345 | } |
| 346 | |
| 347 | static uint32_t imx6_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock) |
| 348 | { |
| 349 | uint32_t freq = 0; |
| 350 | IMX6CCMState *s = IMX6_CCM(dev); |
| 351 | |
| 352 | switch (clock) { |
| 353 | case CLK_NONE: |
| 354 | break; |
| 355 | case CLK_IPG: |
| 356 | freq = imx6_ccm_get_ipg_clk(s); |
| 357 | break; |
| 358 | case CLK_IPG_HIGH: |
| 359 | freq = imx6_ccm_get_per_clk(s); |
| 360 | break; |
| 361 | case CLK_32k: |
| 362 | freq = CKIL_FREQ; |
| 363 | break; |
Jean-Christophe Dubois | 66542f6 | 2016-07-07 13:47:01 +0100 | [diff] [blame] | 364 | case CLK_HIGH: |
| 365 | freq = 24000000; |
| 366 | break; |
| 367 | case CLK_HIGH_DIV: |
| 368 | freq = 24000000 / 8; |
| 369 | break; |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 370 | default: |
| 371 | qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: unsupported clock %d\n", |
| 372 | TYPE_IMX6_CCM, __func__, clock); |
| 373 | break; |
| 374 | } |
| 375 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 376 | trace_imx6_ccm_get_clock_frequency(clock, freq); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 377 | |
| 378 | return freq; |
| 379 | } |
| 380 | |
| 381 | static void imx6_ccm_reset(DeviceState *dev) |
| 382 | { |
| 383 | IMX6CCMState *s = IMX6_CCM(dev); |
| 384 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 385 | trace_imx6_ccm_reset(); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 386 | |
| 387 | s->ccm[CCM_CCR] = 0x040116FF; |
| 388 | s->ccm[CCM_CCDR] = 0x00000000; |
| 389 | s->ccm[CCM_CSR] = 0x00000010; |
| 390 | s->ccm[CCM_CCSR] = 0x00000100; |
| 391 | s->ccm[CCM_CACRR] = 0x00000000; |
| 392 | s->ccm[CCM_CBCDR] = 0x00018D40; |
| 393 | s->ccm[CCM_CBCMR] = 0x00022324; |
| 394 | s->ccm[CCM_CSCMR1] = 0x00F00000; |
| 395 | s->ccm[CCM_CSCMR2] = 0x02B92F06; |
| 396 | s->ccm[CCM_CSCDR1] = 0x00490B00; |
| 397 | s->ccm[CCM_CS1CDR] = 0x0EC102C1; |
| 398 | s->ccm[CCM_CS2CDR] = 0x000736C1; |
| 399 | s->ccm[CCM_CDCDR] = 0x33F71F92; |
| 400 | s->ccm[CCM_CHSCCDR] = 0x0002A150; |
| 401 | s->ccm[CCM_CSCDR2] = 0x0002A150; |
| 402 | s->ccm[CCM_CSCDR3] = 0x00014841; |
| 403 | s->ccm[CCM_CDHIPR] = 0x00000000; |
| 404 | s->ccm[CCM_CTOR] = 0x00000000; |
| 405 | s->ccm[CCM_CLPCR] = 0x00000079; |
| 406 | s->ccm[CCM_CISR] = 0x00000000; |
| 407 | s->ccm[CCM_CIMR] = 0xFFFFFFFF; |
| 408 | s->ccm[CCM_CCOSR] = 0x000A0001; |
| 409 | s->ccm[CCM_CGPR] = 0x0000FE62; |
| 410 | s->ccm[CCM_CCGR0] = 0xFFFFFFFF; |
| 411 | s->ccm[CCM_CCGR1] = 0xFFFFFFFF; |
| 412 | s->ccm[CCM_CCGR2] = 0xFC3FFFFF; |
| 413 | s->ccm[CCM_CCGR3] = 0xFFFFFFFF; |
| 414 | s->ccm[CCM_CCGR4] = 0xFFFFFFFF; |
| 415 | s->ccm[CCM_CCGR5] = 0xFFFFFFFF; |
| 416 | s->ccm[CCM_CCGR6] = 0xFFFFFFFF; |
| 417 | s->ccm[CCM_CMEOR] = 0xFFFFFFFF; |
| 418 | |
| 419 | s->analog[CCM_ANALOG_PLL_ARM] = 0x00013042; |
| 420 | s->analog[CCM_ANALOG_PLL_USB1] = 0x00012000; |
| 421 | s->analog[CCM_ANALOG_PLL_USB2] = 0x00012000; |
| 422 | s->analog[CCM_ANALOG_PLL_SYS] = 0x00013001; |
| 423 | s->analog[CCM_ANALOG_PLL_SYS_SS] = 0x00000000; |
| 424 | s->analog[CCM_ANALOG_PLL_SYS_NUM] = 0x00000000; |
| 425 | s->analog[CCM_ANALOG_PLL_SYS_DENOM] = 0x00000012; |
| 426 | s->analog[CCM_ANALOG_PLL_AUDIO] = 0x00011006; |
| 427 | s->analog[CCM_ANALOG_PLL_AUDIO_NUM] = 0x05F5E100; |
| 428 | s->analog[CCM_ANALOG_PLL_AUDIO_DENOM] = 0x2964619C; |
| 429 | s->analog[CCM_ANALOG_PLL_VIDEO] = 0x0001100C; |
| 430 | s->analog[CCM_ANALOG_PLL_VIDEO_NUM] = 0x05F5E100; |
| 431 | s->analog[CCM_ANALOG_PLL_VIDEO_DENOM] = 0x10A24447; |
| 432 | s->analog[CCM_ANALOG_PLL_MLB] = 0x00010000; |
| 433 | s->analog[CCM_ANALOG_PLL_ENET] = 0x00011001; |
| 434 | s->analog[CCM_ANALOG_PFD_480] = 0x1311100C; |
| 435 | s->analog[CCM_ANALOG_PFD_528] = 0x1018101B; |
| 436 | |
| 437 | s->analog[PMU_REG_1P1] = 0x00001073; |
| 438 | s->analog[PMU_REG_3P0] = 0x00000F74; |
| 439 | s->analog[PMU_REG_2P5] = 0x00005071; |
| 440 | s->analog[PMU_REG_CORE] = 0x00402010; |
Bin Meng | 56a11a9 | 2021-01-06 14:35:01 +0800 | [diff] [blame] | 441 | s->analog[PMU_MISC0] = 0x04000080; |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 442 | s->analog[PMU_MISC1] = 0x00000000; |
| 443 | s->analog[PMU_MISC2] = 0x00272727; |
| 444 | |
| 445 | s->analog[USB_ANALOG_USB1_VBUS_DETECT] = 0x00000004; |
| 446 | s->analog[USB_ANALOG_USB1_CHRG_DETECT] = 0x00000000; |
| 447 | s->analog[USB_ANALOG_USB1_VBUS_DETECT_STAT] = 0x00000000; |
| 448 | s->analog[USB_ANALOG_USB1_CHRG_DETECT_STAT] = 0x00000000; |
| 449 | s->analog[USB_ANALOG_USB1_MISC] = 0x00000002; |
| 450 | s->analog[USB_ANALOG_USB2_VBUS_DETECT] = 0x00000004; |
| 451 | s->analog[USB_ANALOG_USB2_CHRG_DETECT] = 0x00000000; |
| 452 | s->analog[USB_ANALOG_USB2_MISC] = 0x00000002; |
Bin Meng | 4591497 | 2021-01-06 14:35:02 +0800 | [diff] [blame] | 453 | s->analog[USB_ANALOG_DIGPROG] = 0x00630000; |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 454 | |
| 455 | /* all PLLs need to be locked */ |
| 456 | s->analog[CCM_ANALOG_PLL_ARM] |= CCM_ANALOG_PLL_LOCK; |
| 457 | s->analog[CCM_ANALOG_PLL_USB1] |= CCM_ANALOG_PLL_LOCK; |
| 458 | s->analog[CCM_ANALOG_PLL_USB2] |= CCM_ANALOG_PLL_LOCK; |
| 459 | s->analog[CCM_ANALOG_PLL_SYS] |= CCM_ANALOG_PLL_LOCK; |
| 460 | s->analog[CCM_ANALOG_PLL_AUDIO] |= CCM_ANALOG_PLL_LOCK; |
| 461 | s->analog[CCM_ANALOG_PLL_VIDEO] |= CCM_ANALOG_PLL_LOCK; |
| 462 | s->analog[CCM_ANALOG_PLL_MLB] |= CCM_ANALOG_PLL_LOCK; |
| 463 | s->analog[CCM_ANALOG_PLL_ENET] |= CCM_ANALOG_PLL_LOCK; |
| 464 | } |
| 465 | |
| 466 | static uint64_t imx6_ccm_read(void *opaque, hwaddr offset, unsigned size) |
| 467 | { |
| 468 | uint32_t value = 0; |
| 469 | uint32_t index = offset >> 2; |
| 470 | IMX6CCMState *s = (IMX6CCMState *)opaque; |
| 471 | |
| 472 | value = s->ccm[index]; |
| 473 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 474 | trace_imx6_ccm_read(imx6_ccm_reg_name(index), value); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 475 | |
| 476 | return (uint64_t)value; |
| 477 | } |
| 478 | |
| 479 | static void imx6_ccm_write(void *opaque, hwaddr offset, uint64_t value, |
| 480 | unsigned size) |
| 481 | { |
| 482 | uint32_t index = offset >> 2; |
| 483 | IMX6CCMState *s = (IMX6CCMState *)opaque; |
| 484 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 485 | trace_imx6_ccm_write(imx6_ccm_reg_name(index), (uint32_t)value); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 486 | |
| 487 | /* |
| 488 | * We will do a better implementation later. In particular some bits |
| 489 | * cannot be written to. |
| 490 | */ |
| 491 | s->ccm[index] = (uint32_t)value; |
| 492 | } |
| 493 | |
| 494 | static uint64_t imx6_analog_read(void *opaque, hwaddr offset, unsigned size) |
| 495 | { |
| 496 | uint32_t value; |
| 497 | uint32_t index = offset >> 2; |
| 498 | IMX6CCMState *s = (IMX6CCMState *)opaque; |
| 499 | |
| 500 | switch (index) { |
| 501 | case CCM_ANALOG_PLL_ARM_SET: |
| 502 | case CCM_ANALOG_PLL_USB1_SET: |
| 503 | case CCM_ANALOG_PLL_USB2_SET: |
| 504 | case CCM_ANALOG_PLL_SYS_SET: |
| 505 | case CCM_ANALOG_PLL_AUDIO_SET: |
| 506 | case CCM_ANALOG_PLL_VIDEO_SET: |
| 507 | case CCM_ANALOG_PLL_MLB_SET: |
| 508 | case CCM_ANALOG_PLL_ENET_SET: |
| 509 | case CCM_ANALOG_PFD_480_SET: |
| 510 | case CCM_ANALOG_PFD_528_SET: |
| 511 | case CCM_ANALOG_MISC0_SET: |
| 512 | case PMU_MISC1_SET: |
| 513 | case CCM_ANALOG_MISC2_SET: |
| 514 | case USB_ANALOG_USB1_VBUS_DETECT_SET: |
| 515 | case USB_ANALOG_USB1_CHRG_DETECT_SET: |
| 516 | case USB_ANALOG_USB1_MISC_SET: |
| 517 | case USB_ANALOG_USB2_VBUS_DETECT_SET: |
| 518 | case USB_ANALOG_USB2_CHRG_DETECT_SET: |
| 519 | case USB_ANALOG_USB2_MISC_SET: |
| 520 | /* |
| 521 | * All REG_NAME_SET register access are in fact targeting the |
| 522 | * the REG_NAME register. |
| 523 | */ |
| 524 | value = s->analog[index - 1]; |
| 525 | break; |
| 526 | case CCM_ANALOG_PLL_ARM_CLR: |
| 527 | case CCM_ANALOG_PLL_USB1_CLR: |
| 528 | case CCM_ANALOG_PLL_USB2_CLR: |
| 529 | case CCM_ANALOG_PLL_SYS_CLR: |
| 530 | case CCM_ANALOG_PLL_AUDIO_CLR: |
| 531 | case CCM_ANALOG_PLL_VIDEO_CLR: |
| 532 | case CCM_ANALOG_PLL_MLB_CLR: |
| 533 | case CCM_ANALOG_PLL_ENET_CLR: |
| 534 | case CCM_ANALOG_PFD_480_CLR: |
| 535 | case CCM_ANALOG_PFD_528_CLR: |
| 536 | case CCM_ANALOG_MISC0_CLR: |
| 537 | case PMU_MISC1_CLR: |
| 538 | case CCM_ANALOG_MISC2_CLR: |
| 539 | case USB_ANALOG_USB1_VBUS_DETECT_CLR: |
| 540 | case USB_ANALOG_USB1_CHRG_DETECT_CLR: |
| 541 | case USB_ANALOG_USB1_MISC_CLR: |
| 542 | case USB_ANALOG_USB2_VBUS_DETECT_CLR: |
| 543 | case USB_ANALOG_USB2_CHRG_DETECT_CLR: |
| 544 | case USB_ANALOG_USB2_MISC_CLR: |
| 545 | /* |
| 546 | * All REG_NAME_CLR register access are in fact targeting the |
| 547 | * the REG_NAME register. |
| 548 | */ |
| 549 | value = s->analog[index - 2]; |
| 550 | break; |
| 551 | case CCM_ANALOG_PLL_ARM_TOG: |
| 552 | case CCM_ANALOG_PLL_USB1_TOG: |
| 553 | case CCM_ANALOG_PLL_USB2_TOG: |
| 554 | case CCM_ANALOG_PLL_SYS_TOG: |
| 555 | case CCM_ANALOG_PLL_AUDIO_TOG: |
| 556 | case CCM_ANALOG_PLL_VIDEO_TOG: |
| 557 | case CCM_ANALOG_PLL_MLB_TOG: |
| 558 | case CCM_ANALOG_PLL_ENET_TOG: |
| 559 | case CCM_ANALOG_PFD_480_TOG: |
| 560 | case CCM_ANALOG_PFD_528_TOG: |
| 561 | case CCM_ANALOG_MISC0_TOG: |
| 562 | case PMU_MISC1_TOG: |
| 563 | case CCM_ANALOG_MISC2_TOG: |
| 564 | case USB_ANALOG_USB1_VBUS_DETECT_TOG: |
| 565 | case USB_ANALOG_USB1_CHRG_DETECT_TOG: |
| 566 | case USB_ANALOG_USB1_MISC_TOG: |
| 567 | case USB_ANALOG_USB2_VBUS_DETECT_TOG: |
| 568 | case USB_ANALOG_USB2_CHRG_DETECT_TOG: |
| 569 | case USB_ANALOG_USB2_MISC_TOG: |
| 570 | /* |
| 571 | * All REG_NAME_TOG register access are in fact targeting the |
| 572 | * the REG_NAME register. |
| 573 | */ |
| 574 | value = s->analog[index - 3]; |
| 575 | break; |
| 576 | default: |
| 577 | value = s->analog[index]; |
| 578 | break; |
| 579 | } |
| 580 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 581 | trace_imx6_analog_read(imx6_analog_reg_name(index), value); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 582 | |
| 583 | return (uint64_t)value; |
| 584 | } |
| 585 | |
| 586 | static void imx6_analog_write(void *opaque, hwaddr offset, uint64_t value, |
| 587 | unsigned size) |
| 588 | { |
| 589 | uint32_t index = offset >> 2; |
| 590 | IMX6CCMState *s = (IMX6CCMState *)opaque; |
| 591 | |
Bernhard Beschow | 3839aff | 2023-10-28 14:24:13 +0200 | [diff] [blame] | 592 | trace_imx6_analog_write(imx6_analog_reg_name(index), (uint32_t)value); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 593 | |
| 594 | switch (index) { |
| 595 | case CCM_ANALOG_PLL_ARM_SET: |
| 596 | case CCM_ANALOG_PLL_USB1_SET: |
| 597 | case CCM_ANALOG_PLL_USB2_SET: |
| 598 | case CCM_ANALOG_PLL_SYS_SET: |
| 599 | case CCM_ANALOG_PLL_AUDIO_SET: |
| 600 | case CCM_ANALOG_PLL_VIDEO_SET: |
| 601 | case CCM_ANALOG_PLL_MLB_SET: |
| 602 | case CCM_ANALOG_PLL_ENET_SET: |
| 603 | case CCM_ANALOG_PFD_480_SET: |
| 604 | case CCM_ANALOG_PFD_528_SET: |
| 605 | case CCM_ANALOG_MISC0_SET: |
| 606 | case PMU_MISC1_SET: |
| 607 | case CCM_ANALOG_MISC2_SET: |
| 608 | case USB_ANALOG_USB1_VBUS_DETECT_SET: |
| 609 | case USB_ANALOG_USB1_CHRG_DETECT_SET: |
| 610 | case USB_ANALOG_USB1_MISC_SET: |
| 611 | case USB_ANALOG_USB2_VBUS_DETECT_SET: |
| 612 | case USB_ANALOG_USB2_CHRG_DETECT_SET: |
| 613 | case USB_ANALOG_USB2_MISC_SET: |
| 614 | /* |
| 615 | * All REG_NAME_SET register access are in fact targeting the |
| 616 | * the REG_NAME register. So we change the value of the |
| 617 | * REG_NAME register, setting bits passed in the value. |
| 618 | */ |
| 619 | s->analog[index - 1] |= value; |
| 620 | break; |
| 621 | case CCM_ANALOG_PLL_ARM_CLR: |
| 622 | case CCM_ANALOG_PLL_USB1_CLR: |
| 623 | case CCM_ANALOG_PLL_USB2_CLR: |
| 624 | case CCM_ANALOG_PLL_SYS_CLR: |
| 625 | case CCM_ANALOG_PLL_AUDIO_CLR: |
| 626 | case CCM_ANALOG_PLL_VIDEO_CLR: |
| 627 | case CCM_ANALOG_PLL_MLB_CLR: |
| 628 | case CCM_ANALOG_PLL_ENET_CLR: |
| 629 | case CCM_ANALOG_PFD_480_CLR: |
| 630 | case CCM_ANALOG_PFD_528_CLR: |
| 631 | case CCM_ANALOG_MISC0_CLR: |
| 632 | case PMU_MISC1_CLR: |
| 633 | case CCM_ANALOG_MISC2_CLR: |
| 634 | case USB_ANALOG_USB1_VBUS_DETECT_CLR: |
| 635 | case USB_ANALOG_USB1_CHRG_DETECT_CLR: |
| 636 | case USB_ANALOG_USB1_MISC_CLR: |
| 637 | case USB_ANALOG_USB2_VBUS_DETECT_CLR: |
| 638 | case USB_ANALOG_USB2_CHRG_DETECT_CLR: |
| 639 | case USB_ANALOG_USB2_MISC_CLR: |
| 640 | /* |
| 641 | * All REG_NAME_CLR register access are in fact targeting the |
| 642 | * the REG_NAME register. So we change the value of the |
| 643 | * REG_NAME register, unsetting bits passed in the value. |
| 644 | */ |
| 645 | s->analog[index - 2] &= ~value; |
| 646 | break; |
| 647 | case CCM_ANALOG_PLL_ARM_TOG: |
| 648 | case CCM_ANALOG_PLL_USB1_TOG: |
| 649 | case CCM_ANALOG_PLL_USB2_TOG: |
| 650 | case CCM_ANALOG_PLL_SYS_TOG: |
| 651 | case CCM_ANALOG_PLL_AUDIO_TOG: |
| 652 | case CCM_ANALOG_PLL_VIDEO_TOG: |
| 653 | case CCM_ANALOG_PLL_MLB_TOG: |
| 654 | case CCM_ANALOG_PLL_ENET_TOG: |
| 655 | case CCM_ANALOG_PFD_480_TOG: |
| 656 | case CCM_ANALOG_PFD_528_TOG: |
| 657 | case CCM_ANALOG_MISC0_TOG: |
| 658 | case PMU_MISC1_TOG: |
| 659 | case CCM_ANALOG_MISC2_TOG: |
| 660 | case USB_ANALOG_USB1_VBUS_DETECT_TOG: |
| 661 | case USB_ANALOG_USB1_CHRG_DETECT_TOG: |
| 662 | case USB_ANALOG_USB1_MISC_TOG: |
| 663 | case USB_ANALOG_USB2_VBUS_DETECT_TOG: |
| 664 | case USB_ANALOG_USB2_CHRG_DETECT_TOG: |
| 665 | case USB_ANALOG_USB2_MISC_TOG: |
| 666 | /* |
| 667 | * All REG_NAME_TOG register access are in fact targeting the |
| 668 | * the REG_NAME register. So we change the value of the |
| 669 | * REG_NAME register, toggling bits passed in the value. |
| 670 | */ |
| 671 | s->analog[index - 3] ^= value; |
| 672 | break; |
| 673 | default: |
| 674 | /* |
| 675 | * We will do a better implementation later. In particular some bits |
| 676 | * cannot be written to. |
| 677 | */ |
| 678 | s->analog[index] = value; |
| 679 | break; |
| 680 | } |
| 681 | } |
| 682 | |
| 683 | static const struct MemoryRegionOps imx6_ccm_ops = { |
| 684 | .read = imx6_ccm_read, |
| 685 | .write = imx6_ccm_write, |
| 686 | .endianness = DEVICE_NATIVE_ENDIAN, |
| 687 | .valid = { |
| 688 | /* |
| 689 | * Our device would not work correctly if the guest was doing |
| 690 | * unaligned access. This might not be a limitation on the real |
| 691 | * device but in practice there is no reason for a guest to access |
| 692 | * this device unaligned. |
| 693 | */ |
| 694 | .min_access_size = 4, |
| 695 | .max_access_size = 4, |
| 696 | .unaligned = false, |
| 697 | }, |
| 698 | }; |
| 699 | |
| 700 | static const struct MemoryRegionOps imx6_analog_ops = { |
| 701 | .read = imx6_analog_read, |
| 702 | .write = imx6_analog_write, |
| 703 | .endianness = DEVICE_NATIVE_ENDIAN, |
| 704 | .valid = { |
| 705 | /* |
| 706 | * Our device would not work correctly if the guest was doing |
| 707 | * unaligned access. This might not be a limitation on the real |
| 708 | * device but in practice there is no reason for a guest to access |
| 709 | * this device unaligned. |
| 710 | */ |
| 711 | .min_access_size = 4, |
| 712 | .max_access_size = 4, |
| 713 | .unaligned = false, |
| 714 | }, |
| 715 | }; |
| 716 | |
| 717 | static void imx6_ccm_init(Object *obj) |
| 718 | { |
| 719 | DeviceState *dev = DEVICE(obj); |
| 720 | SysBusDevice *sd = SYS_BUS_DEVICE(obj); |
| 721 | IMX6CCMState *s = IMX6_CCM(obj); |
| 722 | |
| 723 | /* initialize a container for the all memory range */ |
| 724 | memory_region_init(&s->container, OBJECT(dev), TYPE_IMX6_CCM, 0x5000); |
| 725 | |
| 726 | /* We initialize an IO memory region for the CCM part */ |
| 727 | memory_region_init_io(&s->ioccm, OBJECT(dev), &imx6_ccm_ops, s, |
| 728 | TYPE_IMX6_CCM ".ccm", CCM_MAX * sizeof(uint32_t)); |
| 729 | |
| 730 | /* Add the CCM as a subregion at offset 0 */ |
| 731 | memory_region_add_subregion(&s->container, 0, &s->ioccm); |
| 732 | |
| 733 | /* We initialize an IO memory region for the ANALOG part */ |
| 734 | memory_region_init_io(&s->ioanalog, OBJECT(dev), &imx6_analog_ops, s, |
| 735 | TYPE_IMX6_CCM ".analog", |
| 736 | CCM_ANALOG_MAX * sizeof(uint32_t)); |
| 737 | |
| 738 | /* Add the ANALOG as a subregion at offset 0x4000 */ |
| 739 | memory_region_add_subregion(&s->container, 0x4000, &s->ioanalog); |
| 740 | |
| 741 | sysbus_init_mmio(sd, &s->container); |
| 742 | } |
| 743 | |
| 744 | static void imx6_ccm_class_init(ObjectClass *klass, void *data) |
| 745 | { |
| 746 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 747 | IMXCCMClass *ccm = IMX_CCM_CLASS(klass); |
| 748 | |
Peter Maydell | e3d0814 | 2024-09-13 15:31:44 +0100 | [diff] [blame] | 749 | device_class_set_legacy_reset(dc, imx6_ccm_reset); |
Jean-Christophe Dubois | a66d815 | 2016-03-16 17:06:00 +0000 | [diff] [blame] | 750 | dc->vmsd = &vmstate_imx6_ccm; |
| 751 | dc->desc = "i.MX6 Clock Control Module"; |
| 752 | |
| 753 | ccm->get_clock_frequency = imx6_ccm_get_clock_frequency; |
| 754 | } |
| 755 | |
| 756 | static const TypeInfo imx6_ccm_info = { |
| 757 | .name = TYPE_IMX6_CCM, |
| 758 | .parent = TYPE_IMX_CCM, |
| 759 | .instance_size = sizeof(IMX6CCMState), |
| 760 | .instance_init = imx6_ccm_init, |
| 761 | .class_init = imx6_ccm_class_init, |
| 762 | }; |
| 763 | |
| 764 | static void imx6_ccm_register_types(void) |
| 765 | { |
| 766 | type_register_static(&imx6_ccm_info); |
| 767 | } |
| 768 | |
| 769 | type_init(imx6_ccm_register_types) |