Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 2 | /* |
Tom Warren | 3bb2f5d | 2020-03-27 10:24:31 -0700 | [diff] [blame] | 3 | * (C) Copyright 2013-2020 |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 4 | * NVIDIA Corporation <www.nvidia.com> |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | /* Tegra210 Clock control functions */ |
| 8 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 9 | #include <errno.h> |
Simon Glass | 9758973 | 2020-05-10 11:40:02 -0600 | [diff] [blame] | 10 | #include <init.h> |
Simon Glass | 0f2af88 | 2020-05-10 11:40:05 -0600 | [diff] [blame] | 11 | #include <log.h> |
Tom Rini | dec7ea0 | 2024-05-20 13:35:03 -0600 | [diff] [blame^] | 12 | #include <time.h> |
Simon Glass | 274e0b0 | 2020-05-10 11:39:56 -0600 | [diff] [blame] | 13 | #include <asm/cache.h> |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 14 | #include <asm/io.h> |
| 15 | #include <asm/arch/clock.h> |
| 16 | #include <asm/arch/sysctr.h> |
| 17 | #include <asm/arch/tegra.h> |
| 18 | #include <asm/arch-tegra/clk_rst.h> |
| 19 | #include <asm/arch-tegra/timer.h> |
| 20 | #include <div64.h> |
| 21 | #include <fdtdec.h> |
Simon Glass | 4dcacfc | 2020-05-10 11:40:13 -0600 | [diff] [blame] | 22 | #include <linux/bitops.h> |
Simon Glass | dbd7954 | 2020-05-10 11:40:11 -0600 | [diff] [blame] | 23 | #include <linux/delay.h> |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 24 | |
Svyatoslav Ryhel | 19a5b03 | 2023-02-14 19:35:25 +0200 | [diff] [blame] | 25 | #include <dt-bindings/clock/tegra210-car.h> |
| 26 | |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 27 | /* |
| 28 | * Clock types that we can use as a source. The Tegra210 has muxes for the |
| 29 | * peripheral clocks, and in most cases there are four options for the clock |
| 30 | * source. This gives us a clock 'type' and exploits what commonality exists |
| 31 | * in the device. |
| 32 | * |
| 33 | * Letters are obvious, except for T which means CLK_M, and S which means the |
| 34 | * clock derived from 32KHz. Beware that CLK_M (also called OSC in the |
| 35 | * datasheet) and PLL_M are different things. The former is the basic |
| 36 | * clock supplied to the SOC from an external oscillator. The latter is the |
| 37 | * memory clock PLL. |
| 38 | * |
| 39 | * See definitions in clock_id in the header file. |
| 40 | */ |
| 41 | enum clock_type_id { |
| 42 | CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */ |
| 43 | CLOCK_TYPE_MCPA, /* and so on */ |
| 44 | CLOCK_TYPE_MCPT, |
| 45 | CLOCK_TYPE_PCM, |
| 46 | CLOCK_TYPE_PCMT, |
| 47 | CLOCK_TYPE_PDCT, |
| 48 | CLOCK_TYPE_ACPT, |
| 49 | CLOCK_TYPE_ASPTE, |
Thierry Reding | 317a47c | 2019-04-15 11:32:15 +0200 | [diff] [blame] | 50 | CLOCK_TYPE_PDD2T, |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 51 | CLOCK_TYPE_PCST, |
Simon Glass | b6ba3fb | 2015-08-10 07:14:36 -0600 | [diff] [blame] | 52 | CLOCK_TYPE_DP, |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 53 | |
| 54 | CLOCK_TYPE_PC2CC3M, |
| 55 | CLOCK_TYPE_PC2CC3S_T, |
| 56 | CLOCK_TYPE_PC2CC3M_T, |
| 57 | CLOCK_TYPE_PC2CC3M_T16, /* PC2CC3M_T, but w/16-bit divisor (I2C) */ |
| 58 | CLOCK_TYPE_MC2CC3P_A, |
| 59 | CLOCK_TYPE_M, |
| 60 | CLOCK_TYPE_MCPTM2C2C3, |
| 61 | CLOCK_TYPE_PC2CC3T_S, |
| 62 | CLOCK_TYPE_AC2CC3P_TS2, |
| 63 | CLOCK_TYPE_PC01C00_C42C41TC40, |
| 64 | |
| 65 | CLOCK_TYPE_COUNT, |
| 66 | CLOCK_TYPE_NONE = -1, /* invalid clock type */ |
| 67 | }; |
| 68 | |
| 69 | enum { |
| 70 | CLOCK_MAX_MUX = 8 /* number of source options for each clock */ |
| 71 | }; |
| 72 | |
| 73 | /* |
| 74 | * Clock source mux for each clock type. This just converts our enum into |
| 75 | * a list of mux sources for use by the code. |
| 76 | * |
| 77 | * Note: |
| 78 | * The extra column in each clock source array is used to store the mask |
| 79 | * bits in its register for the source. |
| 80 | */ |
| 81 | #define CLK(x) CLOCK_ID_ ## x |
| 82 | static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = { |
| 83 | { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC), |
| 84 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 85 | MASK_BITS_31_30}, |
| 86 | { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO), |
| 87 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 88 | MASK_BITS_31_30}, |
| 89 | { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC), |
| 90 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 91 | MASK_BITS_31_30}, |
| 92 | { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE), |
| 93 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 94 | MASK_BITS_31_30}, |
| 95 | { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC), |
| 96 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 97 | MASK_BITS_31_30}, |
| 98 | { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC), |
| 99 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 100 | MASK_BITS_31_30}, |
| 101 | { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC), |
| 102 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 103 | MASK_BITS_31_30}, |
| 104 | { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC), |
| 105 | CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE), |
| 106 | MASK_BITS_31_29}, |
Thierry Reding | 317a47c | 2019-04-15 11:32:15 +0200 | [diff] [blame] | 107 | { CLK(PERIPH), CLK(NONE), CLK(DISPLAY), CLK(NONE), |
| 108 | CLK(NONE), CLK(DISPLAY2), CLK(OSC), CLK(NONE), |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 109 | MASK_BITS_31_29}, |
| 110 | { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC), |
| 111 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 112 | MASK_BITS_31_28}, |
Simon Glass | b6ba3fb | 2015-08-10 07:14:36 -0600 | [diff] [blame] | 113 | /* CLOCK_TYPE_DP */ |
| 114 | { CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 115 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 116 | MASK_BITS_31_28}, |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 117 | |
| 118 | /* Additional clock types on Tegra114+ */ |
| 119 | /* CLOCK_TYPE_PC2CC3M */ |
| 120 | { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 121 | CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE), |
| 122 | MASK_BITS_31_29}, |
| 123 | /* CLOCK_TYPE_PC2CC3S_T */ |
| 124 | { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 125 | CLK(SFROM32KHZ), CLK(NONE), CLK(OSC), CLK(NONE), |
| 126 | MASK_BITS_31_29}, |
| 127 | /* CLOCK_TYPE_PC2CC3M_T */ |
| 128 | { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 129 | CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE), |
| 130 | MASK_BITS_31_29}, |
| 131 | /* CLOCK_TYPE_PC2CC3M_T, w/16-bit divisor (I2C) */ |
| 132 | { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 133 | CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE), |
| 134 | MASK_BITS_31_29}, |
| 135 | /* CLOCK_TYPE_MC2CC3P_A */ |
| 136 | { CLK(MEMORY), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 137 | CLK(PERIPH), CLK(NONE), CLK(AUDIO), CLK(NONE), |
| 138 | MASK_BITS_31_29}, |
| 139 | /* CLOCK_TYPE_M */ |
| 140 | { CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE), |
| 141 | CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE), |
| 142 | MASK_BITS_31_30}, |
| 143 | /* CLOCK_TYPE_MCPTM2C2C3 */ |
| 144 | { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC), |
| 145 | CLK(MEMORY2), CLK(CGENERAL2), CLK(CGENERAL3), CLK(NONE), |
| 146 | MASK_BITS_31_29}, |
| 147 | /* CLOCK_TYPE_PC2CC3T_S */ |
| 148 | { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 149 | CLK(OSC), CLK(NONE), CLK(SFROM32KHZ), CLK(NONE), |
| 150 | MASK_BITS_31_29}, |
| 151 | /* CLOCK_TYPE_AC2CC3P_TS2 */ |
| 152 | { CLK(AUDIO), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3), |
| 153 | CLK(PERIPH), CLK(NONE), CLK(OSC), CLK(SRC2), |
| 154 | MASK_BITS_31_29}, |
| 155 | /* CLOCK_TYPE_PC01C00_C42C41TC40 */ |
| 156 | { CLK(PERIPH), CLK(CGENERAL_1), CLK(CGENERAL_0), CLK(NONE), |
| 157 | CLK(CGENERAL4_2), CLK(CGENERAL4_1), CLK(OSC), CLK(CGENERAL4_0), |
| 158 | MASK_BITS_31_29}, |
| 159 | }; |
| 160 | |
| 161 | /* |
| 162 | * Clock type for each peripheral clock source. We put the name in each |
| 163 | * record just so it is easy to match things up |
| 164 | */ |
| 165 | #define TYPE(name, type) type |
| 166 | static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = { |
| 167 | /* 0x00 */ |
| 168 | TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT), |
| 169 | TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT), |
| 170 | TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT), |
| 171 | TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PC2CC3M), |
| 172 | TYPE(PERIPHC_PWM, CLOCK_TYPE_PC2CC3S_T), |
| 173 | TYPE(PERIPHC_05h, CLOCK_TYPE_NONE), |
| 174 | TYPE(PERIPHC_SBC2, CLOCK_TYPE_PC2CC3M_T), |
| 175 | TYPE(PERIPHC_SBC3, CLOCK_TYPE_PC2CC3M_T), |
| 176 | |
| 177 | /* 0x08 */ |
| 178 | TYPE(PERIPHC_08h, CLOCK_TYPE_NONE), |
| 179 | TYPE(PERIPHC_I2C1, CLOCK_TYPE_PC2CC3M_T16), |
| 180 | TYPE(PERIPHC_I2C5, CLOCK_TYPE_PC2CC3M_T16), |
| 181 | TYPE(PERIPHC_0bh, CLOCK_TYPE_NONE), |
| 182 | TYPE(PERIPHC_0ch, CLOCK_TYPE_NONE), |
| 183 | TYPE(PERIPHC_SBC1, CLOCK_TYPE_PC2CC3M_T), |
Thierry Reding | 317a47c | 2019-04-15 11:32:15 +0200 | [diff] [blame] | 184 | TYPE(PERIPHC_DISP1, CLOCK_TYPE_PDD2T), |
| 185 | TYPE(PERIPHC_DISP2, CLOCK_TYPE_PDD2T), |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 186 | |
| 187 | /* 0x10 */ |
| 188 | TYPE(PERIPHC_10h, CLOCK_TYPE_NONE), |
| 189 | TYPE(PERIPHC_11h, CLOCK_TYPE_NONE), |
| 190 | TYPE(PERIPHC_VI, CLOCK_TYPE_MC2CC3P_A), |
| 191 | TYPE(PERIPHC_13h, CLOCK_TYPE_NONE), |
| 192 | TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PC2CC3M_T), |
| 193 | TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PC2CC3M_T), |
| 194 | TYPE(PERIPHC_16h, CLOCK_TYPE_NONE), |
| 195 | TYPE(PERIPHC_17h, CLOCK_TYPE_NONE), |
| 196 | |
| 197 | /* 0x18 */ |
| 198 | TYPE(PERIPHC_18h, CLOCK_TYPE_NONE), |
| 199 | TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PC2CC3M_T), |
| 200 | TYPE(PERIPHC_VFIR, CLOCK_TYPE_PC2CC3M_T), |
| 201 | TYPE(PERIPHC_1Bh, CLOCK_TYPE_NONE), |
| 202 | TYPE(PERIPHC_1Ch, CLOCK_TYPE_NONE), |
| 203 | TYPE(PERIPHC_HSI, CLOCK_TYPE_PC2CC3M_T), |
| 204 | TYPE(PERIPHC_UART1, CLOCK_TYPE_PC2CC3M_T), |
| 205 | TYPE(PERIPHC_UART2, CLOCK_TYPE_PC2CC3M_T), |
| 206 | |
| 207 | /* 0x20 */ |
| 208 | TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MC2CC3P_A), |
| 209 | TYPE(PERIPHC_21h, CLOCK_TYPE_NONE), |
| 210 | TYPE(PERIPHC_22h, CLOCK_TYPE_NONE), |
| 211 | TYPE(PERIPHC_23h, CLOCK_TYPE_NONE), |
| 212 | TYPE(PERIPHC_24h, CLOCK_TYPE_NONE), |
| 213 | TYPE(PERIPHC_25h, CLOCK_TYPE_NONE), |
| 214 | TYPE(PERIPHC_I2C2, CLOCK_TYPE_PC2CC3M_T16), |
| 215 | TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPTM2C2C3), |
| 216 | |
| 217 | /* 0x28 */ |
| 218 | TYPE(PERIPHC_UART3, CLOCK_TYPE_PC2CC3M_T), |
| 219 | TYPE(PERIPHC_29h, CLOCK_TYPE_NONE), |
| 220 | TYPE(PERIPHC_VI_SENSOR, CLOCK_TYPE_MC2CC3P_A), |
| 221 | TYPE(PERIPHC_2bh, CLOCK_TYPE_NONE), |
| 222 | TYPE(PERIPHC_2ch, CLOCK_TYPE_NONE), |
| 223 | TYPE(PERIPHC_SBC4, CLOCK_TYPE_PC2CC3M_T), |
| 224 | TYPE(PERIPHC_I2C3, CLOCK_TYPE_PC2CC3M_T16), |
| 225 | TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PC2CC3M_T), |
| 226 | |
| 227 | /* 0x30 */ |
| 228 | TYPE(PERIPHC_UART4, CLOCK_TYPE_PC2CC3M_T), |
| 229 | TYPE(PERIPHC_UART5, CLOCK_TYPE_PC2CC3M_T), |
| 230 | TYPE(PERIPHC_VDE, CLOCK_TYPE_PC2CC3M_T), |
| 231 | TYPE(PERIPHC_OWR, CLOCK_TYPE_PC2CC3M_T), |
| 232 | TYPE(PERIPHC_NOR, CLOCK_TYPE_PC2CC3M_T), |
| 233 | TYPE(PERIPHC_CSITE, CLOCK_TYPE_PC2CC3M_T), |
| 234 | TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT), |
| 235 | TYPE(PERIPHC_DTV, CLOCK_TYPE_NONE), |
| 236 | |
| 237 | /* 0x38 */ |
| 238 | TYPE(PERIPHC_38h, CLOCK_TYPE_NONE), |
| 239 | TYPE(PERIPHC_39h, CLOCK_TYPE_NONE), |
| 240 | TYPE(PERIPHC_3ah, CLOCK_TYPE_NONE), |
| 241 | TYPE(PERIPHC_3bh, CLOCK_TYPE_NONE), |
| 242 | TYPE(PERIPHC_MSENC, CLOCK_TYPE_MC2CC3P_A), |
| 243 | TYPE(PERIPHC_TSEC, CLOCK_TYPE_PC2CC3M_T), |
| 244 | TYPE(PERIPHC_3eh, CLOCK_TYPE_NONE), |
| 245 | TYPE(PERIPHC_OSC, CLOCK_TYPE_NONE), |
| 246 | |
| 247 | /* 0x40 */ |
| 248 | TYPE(PERIPHC_40h, CLOCK_TYPE_NONE), /* start with 0x3b0 */ |
| 249 | TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PC2CC3M_T), |
| 250 | TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PC2CC3T_S), |
| 251 | TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT), |
| 252 | TYPE(PERIPHC_I2S5, CLOCK_TYPE_AXPT), |
| 253 | TYPE(PERIPHC_I2C4, CLOCK_TYPE_PC2CC3M_T16), |
| 254 | TYPE(PERIPHC_SBC5, CLOCK_TYPE_PC2CC3M_T), |
| 255 | TYPE(PERIPHC_SBC6, CLOCK_TYPE_PC2CC3M_T), |
| 256 | |
| 257 | /* 0x48 */ |
| 258 | TYPE(PERIPHC_AUDIO, CLOCK_TYPE_AC2CC3P_TS2), |
| 259 | TYPE(PERIPHC_49h, CLOCK_TYPE_NONE), |
| 260 | TYPE(PERIPHC_4ah, CLOCK_TYPE_NONE), |
| 261 | TYPE(PERIPHC_4bh, CLOCK_TYPE_NONE), |
| 262 | TYPE(PERIPHC_4ch, CLOCK_TYPE_NONE), |
| 263 | TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PC2CC3M_T), |
| 264 | TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PC2CC3S_T), |
| 265 | TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE), |
| 266 | |
| 267 | /* 0x50 */ |
| 268 | TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE), |
| 269 | TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE), |
| 270 | TYPE(PERIPHC_52h, CLOCK_TYPE_NONE), |
| 271 | TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PC2CC3S_T), |
| 272 | TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE), |
| 273 | TYPE(PERIPHC_55h, CLOCK_TYPE_NONE), |
| 274 | TYPE(PERIPHC_56h, CLOCK_TYPE_NONE), |
| 275 | TYPE(PERIPHC_57h, CLOCK_TYPE_NONE), |
| 276 | |
| 277 | /* 0x58 */ |
| 278 | TYPE(PERIPHC_58h, CLOCK_TYPE_NONE), |
| 279 | TYPE(PERIPHC_59h, CLOCK_TYPE_NONE), |
| 280 | TYPE(PERIPHC_5ah, CLOCK_TYPE_NONE), |
| 281 | TYPE(PERIPHC_5bh, CLOCK_TYPE_NONE), |
| 282 | TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT), |
| 283 | TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT), |
| 284 | TYPE(PERIPHC_HDA, CLOCK_TYPE_PC2CC3M_T), |
| 285 | TYPE(PERIPHC_5fh, CLOCK_TYPE_NONE), |
| 286 | |
| 287 | /* 0x60 */ |
| 288 | TYPE(PERIPHC_XUSB_CORE_HOST, CLOCK_TYPE_NONE), |
| 289 | TYPE(PERIPHC_XUSB_FALCON, CLOCK_TYPE_NONE), |
| 290 | TYPE(PERIPHC_XUSB_FS, CLOCK_TYPE_NONE), |
| 291 | TYPE(PERIPHC_XUSB_CORE_DEV, CLOCK_TYPE_NONE), |
| 292 | TYPE(PERIPHC_XUSB_SS, CLOCK_TYPE_NONE), |
| 293 | TYPE(PERIPHC_CILAB, CLOCK_TYPE_NONE), |
| 294 | TYPE(PERIPHC_CILCD, CLOCK_TYPE_NONE), |
| 295 | TYPE(PERIPHC_CILE, CLOCK_TYPE_NONE), |
| 296 | |
| 297 | /* 0x68 */ |
| 298 | TYPE(PERIPHC_DSIA_LP, CLOCK_TYPE_NONE), |
| 299 | TYPE(PERIPHC_DSIB_LP, CLOCK_TYPE_NONE), |
| 300 | TYPE(PERIPHC_ENTROPY, CLOCK_TYPE_NONE), |
| 301 | TYPE(PERIPHC_DVFS_REF, CLOCK_TYPE_NONE), |
| 302 | TYPE(PERIPHC_DVFS_SOC, CLOCK_TYPE_NONE), |
| 303 | TYPE(PERIPHC_TRACECLKIN, CLOCK_TYPE_NONE), |
| 304 | TYPE(PERIPHC_6eh, CLOCK_TYPE_NONE), |
| 305 | TYPE(PERIPHC_6fh, CLOCK_TYPE_NONE), |
| 306 | |
| 307 | /* 0x70 */ |
| 308 | TYPE(PERIPHC_EMC_LATENCY, CLOCK_TYPE_NONE), |
| 309 | TYPE(PERIPHC_SOC_THERM, CLOCK_TYPE_NONE), |
| 310 | TYPE(PERIPHC_72h, CLOCK_TYPE_NONE), |
| 311 | TYPE(PERIPHC_73h, CLOCK_TYPE_NONE), |
| 312 | TYPE(PERIPHC_74h, CLOCK_TYPE_NONE), |
| 313 | TYPE(PERIPHC_75h, CLOCK_TYPE_NONE), |
| 314 | TYPE(PERIPHC_VI_SENSOR2, CLOCK_TYPE_NONE), |
| 315 | TYPE(PERIPHC_I2C6, CLOCK_TYPE_PC2CC3M_T16), |
| 316 | |
| 317 | /* 0x78 */ |
| 318 | TYPE(PERIPHC_78h, CLOCK_TYPE_NONE), |
| 319 | TYPE(PERIPHC_EMC_DLL, CLOCK_TYPE_MCPTM2C2C3), |
| 320 | TYPE(PERIPHC_7ah, CLOCK_TYPE_NONE), |
| 321 | TYPE(PERIPHC_CLK72MHZ, CLOCK_TYPE_NONE), |
| 322 | TYPE(PERIPHC_7ch, CLOCK_TYPE_NONE), |
| 323 | TYPE(PERIPHC_7dh, CLOCK_TYPE_NONE), |
| 324 | TYPE(PERIPHC_VIC, CLOCK_TYPE_NONE), |
| 325 | TYPE(PERIPHC_7Fh, CLOCK_TYPE_NONE), |
| 326 | |
| 327 | /* 0x80 */ |
| 328 | TYPE(PERIPHC_SDMMC_LEGACY_TM, CLOCK_TYPE_NONE), |
| 329 | TYPE(PERIPHC_NVDEC, CLOCK_TYPE_NONE), |
| 330 | TYPE(PERIPHC_NVJPG, CLOCK_TYPE_NONE), |
| 331 | TYPE(PERIPHC_NVENC, CLOCK_TYPE_NONE), |
| 332 | TYPE(PERIPHC_84h, CLOCK_TYPE_NONE), |
| 333 | TYPE(PERIPHC_85h, CLOCK_TYPE_NONE), |
| 334 | TYPE(PERIPHC_86h, CLOCK_TYPE_NONE), |
| 335 | TYPE(PERIPHC_87h, CLOCK_TYPE_NONE), |
| 336 | |
| 337 | /* 0x88 */ |
| 338 | TYPE(PERIPHC_88h, CLOCK_TYPE_NONE), |
| 339 | TYPE(PERIPHC_89h, CLOCK_TYPE_NONE), |
| 340 | TYPE(PERIPHC_DMIC3, CLOCK_TYPE_NONE), |
| 341 | TYPE(PERIPHC_APE, CLOCK_TYPE_NONE), |
| 342 | TYPE(PERIPHC_QSPI, CLOCK_TYPE_PC01C00_C42C41TC40), |
Tom Warren | 3bb2f5d | 2020-03-27 10:24:31 -0700 | [diff] [blame] | 343 | TYPE(PERIPHC_VI_I2C, CLOCK_TYPE_PC2CC3M_T16), |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 344 | TYPE(PERIPHC_USB2_HSIC_TRK, CLOCK_TYPE_NONE), |
| 345 | TYPE(PERIPHC_PEX_SATA_USB_RX_BYP, CLOCK_TYPE_NONE), |
| 346 | |
| 347 | /* 0x90 */ |
| 348 | TYPE(PERIPHC_MAUD, CLOCK_TYPE_NONE), |
| 349 | TYPE(PERIPHC_TSECB, CLOCK_TYPE_NONE), |
| 350 | }; |
| 351 | |
| 352 | /* |
| 353 | * This array translates a periph_id to a periphc_internal_id |
| 354 | * |
| 355 | * Not present/matched up: |
| 356 | * uint vi_sensor; _VI_SENSOR_0, 0x1A8 |
| 357 | * SPDIF - which is both 0x08 and 0x0c |
| 358 | * |
| 359 | */ |
| 360 | #define NONE(name) (-1) |
| 361 | #define OFFSET(name, value) PERIPHC_ ## name |
| 362 | #define INTERNAL_ID(id) (id & 0x000000ff) |
| 363 | static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = { |
| 364 | /* Low word: 31:0 */ |
| 365 | NONE(CPU), |
| 366 | NONE(COP), |
| 367 | NONE(TRIGSYS), |
| 368 | NONE(ISPB), |
| 369 | NONE(RESERVED4), |
| 370 | NONE(TMR), |
| 371 | PERIPHC_UART1, |
| 372 | PERIPHC_UART2, /* and vfir 0x68 */ |
| 373 | |
| 374 | /* 8 */ |
| 375 | NONE(GPIO), |
| 376 | PERIPHC_SDMMC2, |
| 377 | PERIPHC_SPDIF_IN, |
| 378 | PERIPHC_I2S2, |
| 379 | PERIPHC_I2C1, |
| 380 | NONE(RESERVED13), |
| 381 | PERIPHC_SDMMC1, |
| 382 | PERIPHC_SDMMC4, |
| 383 | |
| 384 | /* 16 */ |
| 385 | NONE(TCW), |
| 386 | PERIPHC_PWM, |
| 387 | PERIPHC_I2S3, |
| 388 | NONE(RESERVED19), |
| 389 | PERIPHC_VI, |
| 390 | NONE(RESERVED21), |
| 391 | NONE(USBD), |
| 392 | NONE(ISP), |
| 393 | |
| 394 | /* 24 */ |
| 395 | NONE(RESERVED24), |
| 396 | NONE(RESERVED25), |
| 397 | PERIPHC_DISP2, |
| 398 | PERIPHC_DISP1, |
| 399 | PERIPHC_HOST1X, |
| 400 | NONE(VCP), |
| 401 | PERIPHC_I2S1, |
| 402 | NONE(CACHE2), |
| 403 | |
| 404 | /* Middle word: 63:32 */ |
| 405 | NONE(MEM), |
| 406 | NONE(AHBDMA), |
| 407 | NONE(APBDMA), |
| 408 | NONE(RESERVED35), |
| 409 | NONE(RESERVED36), |
| 410 | NONE(STAT_MON), |
| 411 | NONE(RESERVED38), |
| 412 | NONE(FUSE), |
| 413 | |
| 414 | /* 40 */ |
| 415 | NONE(KFUSE), |
| 416 | PERIPHC_SBC1, /* SBCx = SPIx */ |
| 417 | PERIPHC_NOR, |
| 418 | NONE(RESERVED43), |
| 419 | PERIPHC_SBC2, |
| 420 | NONE(XIO), |
| 421 | PERIPHC_SBC3, |
| 422 | PERIPHC_I2C5, |
| 423 | |
| 424 | /* 48 */ |
| 425 | NONE(DSI), |
| 426 | NONE(RESERVED49), |
| 427 | PERIPHC_HSI, |
| 428 | NONE(RESERVED51), |
| 429 | NONE(CSI), |
| 430 | NONE(RESERVED53), |
| 431 | PERIPHC_I2C2, |
| 432 | PERIPHC_UART3, |
| 433 | |
| 434 | /* 56 */ |
| 435 | NONE(MIPI_CAL), |
| 436 | PERIPHC_EMC, |
| 437 | NONE(USB2), |
| 438 | NONE(USB3), |
| 439 | NONE(RESERVED60), |
| 440 | PERIPHC_VDE, |
| 441 | NONE(BSEA), |
| 442 | NONE(BSEV), |
| 443 | |
| 444 | /* Upper word 95:64 */ |
| 445 | NONE(RESERVED64), |
| 446 | PERIPHC_UART4, |
| 447 | PERIPHC_UART5, |
| 448 | PERIPHC_I2C3, |
| 449 | PERIPHC_SBC4, |
| 450 | PERIPHC_SDMMC3, |
| 451 | NONE(PCIE), |
| 452 | PERIPHC_OWR, |
| 453 | |
| 454 | /* 72 */ |
| 455 | NONE(AFI), |
| 456 | PERIPHC_CSITE, |
| 457 | NONE(PCIEXCLK), |
| 458 | NONE(AVPUCQ), |
| 459 | NONE(LA), |
| 460 | NONE(TRACECLKIN), |
| 461 | NONE(SOC_THERM), |
| 462 | NONE(DTV), |
| 463 | |
| 464 | /* 80 */ |
| 465 | NONE(RESERVED80), |
| 466 | PERIPHC_I2CSLOW, |
| 467 | NONE(DSIB), |
| 468 | PERIPHC_TSEC, |
| 469 | NONE(RESERVED84), |
| 470 | NONE(RESERVED85), |
| 471 | NONE(RESERVED86), |
| 472 | NONE(EMUCIF), |
| 473 | |
| 474 | /* 88 */ |
| 475 | NONE(RESERVED88), |
| 476 | NONE(XUSB_HOST), |
| 477 | NONE(RESERVED90), |
| 478 | PERIPHC_MSENC, |
| 479 | NONE(RESERVED92), |
| 480 | NONE(RESERVED93), |
| 481 | NONE(RESERVED94), |
| 482 | NONE(XUSB_DEV), |
| 483 | |
| 484 | /* V word: 31:0 */ |
| 485 | NONE(CPUG), |
| 486 | NONE(CPULP), |
| 487 | NONE(V_RESERVED2), |
| 488 | PERIPHC_MSELECT, |
| 489 | NONE(V_RESERVED4), |
| 490 | PERIPHC_I2S4, |
| 491 | PERIPHC_I2S5, |
| 492 | PERIPHC_I2C4, |
| 493 | |
| 494 | /* 104 */ |
| 495 | PERIPHC_SBC5, |
| 496 | PERIPHC_SBC6, |
| 497 | PERIPHC_AUDIO, |
| 498 | NONE(APBIF), |
| 499 | NONE(V_RESERVED12), |
| 500 | NONE(V_RESERVED13), |
| 501 | NONE(V_RESERVED14), |
| 502 | PERIPHC_HDA2CODEC2X, |
| 503 | |
| 504 | /* 112 */ |
| 505 | NONE(ATOMICS), |
| 506 | NONE(V_RESERVED17), |
| 507 | NONE(V_RESERVED18), |
| 508 | NONE(V_RESERVED19), |
| 509 | NONE(V_RESERVED20), |
| 510 | NONE(V_RESERVED21), |
| 511 | NONE(V_RESERVED22), |
| 512 | PERIPHC_ACTMON, |
| 513 | |
| 514 | /* 120 */ |
| 515 | NONE(EXTPERIPH1), |
| 516 | NONE(EXTPERIPH2), |
| 517 | NONE(EXTPERIPH3), |
| 518 | NONE(OOB), |
| 519 | PERIPHC_SATA, |
| 520 | PERIPHC_HDA, |
| 521 | NONE(TZRAM), |
| 522 | NONE(SE), |
| 523 | |
| 524 | /* W word: 31:0 */ |
| 525 | NONE(HDA2HDMICODEC), |
| 526 | NONE(SATACOLD), |
| 527 | NONE(W_RESERVED2), |
| 528 | NONE(W_RESERVED3), |
| 529 | NONE(W_RESERVED4), |
| 530 | NONE(W_RESERVED5), |
| 531 | NONE(W_RESERVED6), |
| 532 | NONE(W_RESERVED7), |
| 533 | |
| 534 | /* 136 */ |
| 535 | NONE(CEC), |
| 536 | NONE(W_RESERVED9), |
| 537 | NONE(W_RESERVED10), |
| 538 | NONE(W_RESERVED11), |
| 539 | NONE(W_RESERVED12), |
| 540 | NONE(W_RESERVED13), |
| 541 | NONE(XUSB_PADCTL), |
| 542 | NONE(W_RESERVED15), |
| 543 | |
| 544 | /* 144 */ |
| 545 | NONE(W_RESERVED16), |
| 546 | NONE(W_RESERVED17), |
| 547 | NONE(W_RESERVED18), |
| 548 | NONE(W_RESERVED19), |
| 549 | NONE(W_RESERVED20), |
| 550 | NONE(ENTROPY), |
| 551 | NONE(DDS), |
| 552 | NONE(W_RESERVED23), |
| 553 | |
| 554 | /* 152 */ |
| 555 | NONE(W_RESERVED24), |
| 556 | NONE(W_RESERVED25), |
| 557 | NONE(W_RESERVED26), |
| 558 | NONE(DVFS), |
| 559 | NONE(XUSB_SS), |
| 560 | NONE(W_RESERVED29), |
| 561 | NONE(W_RESERVED30), |
| 562 | NONE(W_RESERVED31), |
| 563 | |
| 564 | /* X word: 31:0 */ |
| 565 | NONE(SPARE), |
| 566 | NONE(X_RESERVED1), |
| 567 | NONE(X_RESERVED2), |
| 568 | NONE(X_RESERVED3), |
| 569 | NONE(CAM_MCLK), |
| 570 | NONE(CAM_MCLK2), |
| 571 | PERIPHC_I2C6, |
| 572 | NONE(X_RESERVED7), |
| 573 | |
| 574 | /* 168 */ |
| 575 | NONE(X_RESERVED8), |
| 576 | NONE(X_RESERVED9), |
| 577 | NONE(X_RESERVED10), |
| 578 | NONE(VIM2_CLK), |
| 579 | NONE(X_RESERVED12), |
| 580 | NONE(X_RESERVED13), |
| 581 | NONE(EMC_DLL), |
| 582 | NONE(X_RESERVED15), |
| 583 | |
| 584 | /* 176 */ |
| 585 | NONE(X_RESERVED16), |
| 586 | NONE(CLK72MHZ), |
| 587 | NONE(VIC), |
| 588 | NONE(X_RESERVED19), |
| 589 | NONE(X_RESERVED20), |
| 590 | NONE(DPAUX), |
| 591 | NONE(SOR0), |
| 592 | NONE(X_RESERVED23), |
| 593 | |
| 594 | /* 184 */ |
| 595 | NONE(GPU), |
| 596 | NONE(X_RESERVED25), |
| 597 | NONE(X_RESERVED26), |
| 598 | NONE(X_RESERVED27), |
| 599 | NONE(X_RESERVED28), |
| 600 | NONE(X_RESERVED29), |
| 601 | NONE(X_RESERVED30), |
| 602 | NONE(X_RESERVED31), |
| 603 | |
| 604 | /* Y: 192 (192 - 223) */ |
| 605 | NONE(Y_RESERVED0), |
| 606 | PERIPHC_SDMMC_LEGACY_TM, |
| 607 | PERIPHC_NVDEC, |
| 608 | PERIPHC_NVJPG, |
| 609 | NONE(Y_RESERVED4), |
| 610 | PERIPHC_DMIC3, /* 197 */ |
| 611 | PERIPHC_APE, /* 198 */ |
| 612 | NONE(Y_RESERVED7), |
| 613 | |
| 614 | /* 200 */ |
| 615 | NONE(Y_RESERVED8), |
| 616 | NONE(Y_RESERVED9), |
| 617 | NONE(Y_RESERVED10), |
| 618 | NONE(Y_RESERVED11), |
| 619 | NONE(Y_RESERVED12), |
| 620 | NONE(Y_RESERVED13), |
| 621 | NONE(Y_RESERVED14), |
| 622 | NONE(Y_RESERVED15), |
| 623 | |
| 624 | /* 208 */ |
| 625 | PERIPHC_VI_I2C, /* 208 */ |
| 626 | NONE(Y_RESERVED17), |
| 627 | NONE(Y_RESERVED18), |
| 628 | PERIPHC_QSPI, /* 211 */ |
| 629 | NONE(Y_RESERVED20), |
| 630 | NONE(Y_RESERVED21), |
| 631 | NONE(Y_RESERVED22), |
| 632 | NONE(Y_RESERVED23), |
| 633 | |
| 634 | /* 216 */ |
| 635 | NONE(Y_RESERVED24), |
| 636 | NONE(Y_RESERVED25), |
| 637 | NONE(Y_RESERVED26), |
| 638 | PERIPHC_NVENC, /* 219 */ |
| 639 | NONE(Y_RESERVED28), |
| 640 | NONE(Y_RESERVED29), |
| 641 | NONE(Y_RESERVED30), |
| 642 | NONE(Y_RESERVED31), |
| 643 | }; |
| 644 | |
| 645 | /* |
Tom Warren | a8480ef | 2015-06-25 09:50:44 -0700 | [diff] [blame] | 646 | * PLL divider shift/mask tables for all PLL IDs. |
| 647 | */ |
| 648 | struct clk_pll_info tegra_pll_info_table[CLOCK_ID_PLL_COUNT] = { |
| 649 | /* |
| 650 | * NOTE: If kcp_mask/kvco_mask == 0, they're not used in that PLL (PLLC, etc.) |
| 651 | * If lock_ena or lock_det are >31, they're not used in that PLL (PLLC, etc.) |
| 652 | */ |
| 653 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 10, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0x1F, |
| 654 | .lock_ena = 32, .lock_det = 27, .kcp_shift = 0, .kcp_mask = 0, .kvco_shift = 0, .kvco_mask = 0 }, /* PLLC */ |
| 655 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0x1F, |
| 656 | .lock_ena = 4, .lock_det = 27, .kcp_shift = 1, .kcp_mask = 3, .kvco_shift = 0, .kvco_mask = 1 }, /* PLLM */ |
| 657 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 10, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0x1F, |
| 658 | .lock_ena = 18, .lock_det = 27, .kcp_shift = 0, .kcp_mask = 3, .kvco_shift = 2, .kvco_mask = 1 }, /* PLLP */ |
| 659 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0x1F, |
| 660 | .lock_ena = 28, .lock_det = 27, .kcp_shift = 25, .kcp_mask = 3, .kvco_shift = 24, .kvco_mask = 1 }, /* PLLA */ |
| 661 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 16, .p_mask = 0x1F, |
| 662 | .lock_ena = 29, .lock_det = 27, .kcp_shift = 25, .kcp_mask = 3, .kvco_shift = 24, .kvco_mask = 1 }, /* PLLU */ |
| 663 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 11, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0x07, |
| 664 | .lock_ena = 18, .lock_det = 27, .kcp_shift = 23, .kcp_mask = 3, .kvco_shift = 22, .kvco_mask = 1 }, /* PLLD */ |
| 665 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0x1F, |
| 666 | .lock_ena = 18, .lock_det = 27, .kcp_shift = 1, .kcp_mask = 3, .kvco_shift = 0, .kvco_mask = 1 }, /* PLLX */ |
| 667 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 0, .p_mask = 0, |
| 668 | .lock_ena = 9, .lock_det = 11, .kcp_shift = 6, .kcp_mask = 3, .kvco_shift = 0, .kvco_mask = 1 }, /* PLLE */ |
| 669 | { .m_shift = 0, .m_mask = 0, .n_shift = 0, .n_mask = 0, .p_shift = 0, .p_mask = 0, |
| 670 | .lock_ena = 0, .lock_det = 0, .kcp_shift = 0, .kcp_mask = 0, .kvco_shift = 0, .kvco_mask = 0 }, /* PLLS (gone)*/ |
Simon Glass | b6ba3fb | 2015-08-10 07:14:36 -0600 | [diff] [blame] | 671 | { .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 19, .p_mask = 0x1F, |
| 672 | .lock_ena = 30, .lock_det = 27, .kcp_shift = 25, .kcp_mask = 3, .kvco_shift = 24, .kvco_mask = 1 }, /* PLLDP */ |
Tom Warren | a8480ef | 2015-06-25 09:50:44 -0700 | [diff] [blame] | 673 | }; |
| 674 | |
| 675 | /* |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 676 | * Get the oscillator frequency, from the corresponding hardware configuration |
Svyatoslav Ryhel | 7f4ab33 | 2023-02-01 10:53:01 +0200 | [diff] [blame] | 677 | * field. Note that T30+ supports 3 new higher freqs. |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 678 | */ |
| 679 | enum clock_osc_freq clock_get_osc_freq(void) |
| 680 | { |
| 681 | struct clk_rst_ctlr *clkrst = |
| 682 | (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 683 | u32 reg; |
| 684 | |
| 685 | reg = readl(&clkrst->crc_osc_ctrl); |
Svyatoslav Ryhel | 7f4ab33 | 2023-02-01 10:53:01 +0200 | [diff] [blame] | 686 | return (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | /* Returns a pointer to the clock source register for a peripheral */ |
| 690 | u32 *get_periph_source_reg(enum periph_id periph_id) |
| 691 | { |
| 692 | struct clk_rst_ctlr *clkrst = |
| 693 | (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 694 | enum periphc_internal_id internal_id; |
| 695 | |
| 696 | /* Coresight is a special case */ |
| 697 | if (periph_id == PERIPH_ID_CSI) |
| 698 | return &clkrst->crc_clk_src[PERIPH_ID_CSI+1]; |
| 699 | |
| 700 | assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT); |
| 701 | internal_id = INTERNAL_ID(periph_id_to_internal_id[periph_id]); |
| 702 | assert(internal_id != -1); |
| 703 | |
| 704 | if (internal_id < PERIPHC_VW_FIRST) |
| 705 | /* L, H, U */ |
| 706 | return &clkrst->crc_clk_src[internal_id]; |
| 707 | |
| 708 | if (internal_id < PERIPHC_X_FIRST) { |
| 709 | /* VW */ |
| 710 | internal_id -= PERIPHC_VW_FIRST; |
| 711 | return &clkrst->crc_clk_src_vw[internal_id]; |
| 712 | } |
| 713 | |
| 714 | if (internal_id < PERIPHC_Y_FIRST) { |
| 715 | /* X */ |
| 716 | internal_id -= PERIPHC_X_FIRST; |
| 717 | return &clkrst->crc_clk_src_x[internal_id]; |
| 718 | } |
| 719 | |
| 720 | /* Y */ |
| 721 | internal_id -= PERIPHC_Y_FIRST; |
| 722 | return &clkrst->crc_clk_src_y[internal_id]; |
| 723 | } |
| 724 | |
Stephen Warren | 532543c | 2016-09-13 10:45:56 -0600 | [diff] [blame] | 725 | int get_periph_clock_info(enum periph_id periph_id, int *mux_bits, |
| 726 | int *divider_bits, int *type) |
| 727 | { |
| 728 | enum periphc_internal_id internal_id; |
| 729 | |
| 730 | if (!clock_periph_id_isvalid(periph_id)) |
| 731 | return -1; |
| 732 | |
Tom Warren | 3bb2f5d | 2020-03-27 10:24:31 -0700 | [diff] [blame] | 733 | internal_id = INTERNAL_ID(periph_id_to_internal_id[periph_id]); |
Stephen Warren | 532543c | 2016-09-13 10:45:56 -0600 | [diff] [blame] | 734 | if (!periphc_internal_id_isvalid(internal_id)) |
| 735 | return -1; |
| 736 | |
| 737 | *type = clock_periph_type[internal_id]; |
| 738 | if (!clock_type_id_isvalid(*type)) |
| 739 | return -1; |
| 740 | |
| 741 | *mux_bits = clock_source[*type][CLOCK_MAX_MUX]; |
| 742 | |
| 743 | if (*type == CLOCK_TYPE_PC2CC3M_T16) |
| 744 | *divider_bits = 16; |
| 745 | else |
| 746 | *divider_bits = 8; |
| 747 | |
| 748 | return 0; |
| 749 | } |
| 750 | |
| 751 | enum clock_id get_periph_clock_id(enum periph_id periph_id, int source) |
| 752 | { |
| 753 | enum periphc_internal_id internal_id; |
| 754 | int type; |
| 755 | |
| 756 | if (!clock_periph_id_isvalid(periph_id)) |
| 757 | return CLOCK_ID_NONE; |
| 758 | |
Tom Warren | 3bb2f5d | 2020-03-27 10:24:31 -0700 | [diff] [blame] | 759 | internal_id = INTERNAL_ID(periph_id_to_internal_id[periph_id]); |
Stephen Warren | 532543c | 2016-09-13 10:45:56 -0600 | [diff] [blame] | 760 | if (!periphc_internal_id_isvalid(internal_id)) |
| 761 | return CLOCK_ID_NONE; |
| 762 | |
| 763 | type = clock_periph_type[internal_id]; |
| 764 | if (!clock_type_id_isvalid(type)) |
| 765 | return CLOCK_ID_NONE; |
| 766 | |
| 767 | return clock_source[type][source]; |
| 768 | } |
| 769 | |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 770 | /** |
| 771 | * Given a peripheral ID and the required source clock, this returns which |
| 772 | * value should be programmed into the source mux for that peripheral. |
| 773 | * |
| 774 | * There is special code here to handle the one source type with 5 sources. |
| 775 | * |
| 776 | * @param periph_id peripheral to start |
| 777 | * @param source PLL id of required parent clock |
| 778 | * @param mux_bits Set to number of bits in mux register: 2 or 4 |
| 779 | * @param divider_bits Set to number of divider bits (8 or 16) |
Heinrich Schuchardt | 47b4c02 | 2022-01-19 18:05:50 +0100 | [diff] [blame] | 780 | * Return: mux value (0-4, or -1 if not found) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 781 | */ |
| 782 | int get_periph_clock_source(enum periph_id periph_id, |
| 783 | enum clock_id parent, int *mux_bits, int *divider_bits) |
| 784 | { |
| 785 | enum clock_type_id type; |
Stephen Warren | 532543c | 2016-09-13 10:45:56 -0600 | [diff] [blame] | 786 | int mux, err; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 787 | |
Stephen Warren | 532543c | 2016-09-13 10:45:56 -0600 | [diff] [blame] | 788 | err = get_periph_clock_info(periph_id, mux_bits, divider_bits, &type); |
| 789 | assert(!err); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 790 | |
| 791 | for (mux = 0; mux < CLOCK_MAX_MUX; mux++) |
| 792 | if (clock_source[type][mux] == parent) |
| 793 | return mux; |
| 794 | |
| 795 | /* if we get here, either us or the caller has made a mistake */ |
| 796 | printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id, |
| 797 | parent); |
| 798 | return -1; |
| 799 | } |
| 800 | |
| 801 | void clock_set_enable(enum periph_id periph_id, int enable) |
| 802 | { |
| 803 | struct clk_rst_ctlr *clkrst = |
| 804 | (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 805 | u32 *clk; |
| 806 | u32 reg; |
| 807 | |
| 808 | /* Enable/disable the clock to this peripheral */ |
| 809 | assert(clock_periph_id_isvalid(periph_id)); |
| 810 | if ((int)periph_id < (int)PERIPH_ID_VW_FIRST) |
| 811 | clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)]; |
| 812 | else if ((int)periph_id < (int)PERIPH_ID_X_FIRST) |
| 813 | clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)]; |
| 814 | else if ((int)periph_id < (int)PERIPH_ID_Y_FIRST) |
| 815 | clk = &clkrst->crc_clk_out_enb_x; |
| 816 | else |
| 817 | clk = &clkrst->crc_clk_out_enb_y; |
| 818 | |
| 819 | reg = readl(clk); |
| 820 | if (enable) |
| 821 | reg |= PERIPH_MASK(periph_id); |
| 822 | else |
| 823 | reg &= ~PERIPH_MASK(periph_id); |
| 824 | writel(reg, clk); |
| 825 | } |
| 826 | |
| 827 | void reset_set_enable(enum periph_id periph_id, int enable) |
| 828 | { |
| 829 | struct clk_rst_ctlr *clkrst = |
| 830 | (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 831 | u32 *reset; |
| 832 | u32 reg; |
| 833 | |
| 834 | /* Enable/disable reset to the peripheral */ |
| 835 | assert(clock_periph_id_isvalid(periph_id)); |
| 836 | if (periph_id < PERIPH_ID_VW_FIRST) |
| 837 | reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)]; |
| 838 | else if ((int)periph_id < (int)PERIPH_ID_X_FIRST) |
| 839 | reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)]; |
| 840 | else if ((int)periph_id < (int)PERIPH_ID_Y_FIRST) |
| 841 | reset = &clkrst->crc_rst_devices_x; |
| 842 | else |
| 843 | reset = &clkrst->crc_rst_devices_y; |
| 844 | |
| 845 | reg = readl(reset); |
| 846 | if (enable) |
| 847 | reg |= PERIPH_MASK(periph_id); |
| 848 | else |
| 849 | reg &= ~PERIPH_MASK(periph_id); |
| 850 | writel(reg, reset); |
| 851 | } |
| 852 | |
| 853 | #ifdef CONFIG_OF_CONTROL |
| 854 | /* |
| 855 | * Convert a device tree clock ID to our peripheral ID. They are mostly |
| 856 | * the same but we are very cautious so we check that a valid clock ID is |
| 857 | * provided. |
| 858 | * |
| 859 | * @param clk_id Clock ID according to tegra210 device tree binding |
Heinrich Schuchardt | 47b4c02 | 2022-01-19 18:05:50 +0100 | [diff] [blame] | 860 | * Return: peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 861 | */ |
| 862 | enum periph_id clk_id_to_periph_id(int clk_id) |
| 863 | { |
| 864 | if (clk_id > PERIPH_ID_COUNT) |
| 865 | return PERIPH_ID_NONE; |
| 866 | |
| 867 | switch (clk_id) { |
| 868 | case PERIPH_ID_RESERVED4: |
| 869 | case PERIPH_ID_RESERVED25: |
| 870 | case PERIPH_ID_RESERVED35: |
| 871 | case PERIPH_ID_RESERVED36: |
| 872 | case PERIPH_ID_RESERVED38: |
| 873 | case PERIPH_ID_RESERVED43: |
| 874 | case PERIPH_ID_RESERVED49: |
| 875 | case PERIPH_ID_RESERVED53: |
| 876 | case PERIPH_ID_RESERVED64: |
| 877 | case PERIPH_ID_RESERVED84: |
| 878 | case PERIPH_ID_RESERVED85: |
| 879 | case PERIPH_ID_RESERVED86: |
| 880 | case PERIPH_ID_RESERVED88: |
| 881 | case PERIPH_ID_RESERVED90: |
| 882 | case PERIPH_ID_RESERVED92: |
| 883 | case PERIPH_ID_RESERVED93: |
| 884 | case PERIPH_ID_RESERVED94: |
| 885 | case PERIPH_ID_V_RESERVED2: |
| 886 | case PERIPH_ID_V_RESERVED4: |
| 887 | case PERIPH_ID_V_RESERVED17: |
| 888 | case PERIPH_ID_V_RESERVED18: |
| 889 | case PERIPH_ID_V_RESERVED19: |
| 890 | case PERIPH_ID_V_RESERVED20: |
| 891 | case PERIPH_ID_V_RESERVED21: |
| 892 | case PERIPH_ID_V_RESERVED22: |
| 893 | case PERIPH_ID_W_RESERVED2: |
| 894 | case PERIPH_ID_W_RESERVED3: |
| 895 | case PERIPH_ID_W_RESERVED4: |
| 896 | case PERIPH_ID_W_RESERVED5: |
| 897 | case PERIPH_ID_W_RESERVED6: |
| 898 | case PERIPH_ID_W_RESERVED7: |
| 899 | case PERIPH_ID_W_RESERVED9: |
| 900 | case PERIPH_ID_W_RESERVED10: |
| 901 | case PERIPH_ID_W_RESERVED11: |
| 902 | case PERIPH_ID_W_RESERVED12: |
| 903 | case PERIPH_ID_W_RESERVED13: |
| 904 | case PERIPH_ID_W_RESERVED15: |
| 905 | case PERIPH_ID_W_RESERVED16: |
| 906 | case PERIPH_ID_W_RESERVED17: |
| 907 | case PERIPH_ID_W_RESERVED18: |
| 908 | case PERIPH_ID_W_RESERVED19: |
| 909 | case PERIPH_ID_W_RESERVED20: |
| 910 | case PERIPH_ID_W_RESERVED23: |
| 911 | case PERIPH_ID_W_RESERVED29: |
| 912 | case PERIPH_ID_W_RESERVED30: |
| 913 | case PERIPH_ID_W_RESERVED31: |
| 914 | return PERIPH_ID_NONE; |
| 915 | default: |
| 916 | return clk_id; |
| 917 | } |
| 918 | } |
Svyatoslav Ryhel | 19a5b03 | 2023-02-14 19:35:25 +0200 | [diff] [blame] | 919 | |
| 920 | /* |
| 921 | * Convert a device tree clock ID to our PLL ID. |
| 922 | * |
| 923 | * @param clk_id Clock ID according to tegra210 device tree binding |
| 924 | * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid |
| 925 | */ |
| 926 | enum clock_id clk_id_to_pll_id(int clk_id) |
| 927 | { |
| 928 | switch (clk_id) { |
| 929 | case TEGRA210_CLK_PLL_C: |
| 930 | return CLOCK_ID_CGENERAL; |
| 931 | case TEGRA210_CLK_PLL_M: |
| 932 | return CLOCK_ID_MEMORY; |
| 933 | case TEGRA210_CLK_PLL_P: |
| 934 | return CLOCK_ID_PERIPH; |
| 935 | case TEGRA210_CLK_PLL_A: |
| 936 | return CLOCK_ID_AUDIO; |
| 937 | case TEGRA210_CLK_PLL_U: |
| 938 | return CLOCK_ID_USB; |
| 939 | case TEGRA210_CLK_PLL_D: |
| 940 | case TEGRA210_CLK_PLL_D_OUT0: |
| 941 | return CLOCK_ID_DISPLAY; |
| 942 | case TEGRA210_CLK_PLL_X: |
| 943 | return CLOCK_ID_XCPU; |
| 944 | case TEGRA210_CLK_PLL_E: |
| 945 | return CLOCK_ID_EPCI; |
| 946 | case TEGRA210_CLK_CLK_32K: |
| 947 | return CLOCK_ID_32KHZ; |
| 948 | case TEGRA210_CLK_CLK_M: |
| 949 | return CLOCK_ID_CLK_M; |
| 950 | default: |
| 951 | return CLOCK_ID_NONE; |
| 952 | } |
| 953 | } |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 954 | #endif /* CONFIG_OF_CONTROL */ |
| 955 | |
| 956 | /* |
| 957 | * T210 redefines PLLP_OUT2 as PLLP_VCO/DIVP, so do different OUT1-4 setup here. |
| 958 | * PLLP_BASE/MISC/etc. is already set up for 408MHz in the BootROM. |
| 959 | */ |
| 960 | void tegra210_setup_pllp(void) |
| 961 | { |
| 962 | struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 963 | u32 reg; |
| 964 | |
| 965 | /* Set PLLP_OUT1, 3 & 4 freqs to 9.6, 102 & 204MHz */ |
| 966 | |
| 967 | /* OUT1 */ |
| 968 | /* Assert RSTN before enable */ |
| 969 | reg = PLLP_OUT1_RSTN_EN; |
| 970 | writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[0]); |
| 971 | /* Set divisor and reenable */ |
| 972 | reg = (IN_408_OUT_9_6_DIVISOR << PLLP_OUT1_RATIO) |
| 973 | | PLLP_OUT1_OVR | PLLP_OUT1_CLKEN | PLLP_OUT1_RSTN_DIS; |
| 974 | writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[0]); |
| 975 | |
| 976 | /* OUT3, 4 */ |
| 977 | /* Assert RSTN before enable */ |
| 978 | reg = PLLP_OUT4_RSTN_EN | PLLP_OUT3_RSTN_EN; |
| 979 | writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[1]); |
| 980 | /* Set divisor and reenable */ |
| 981 | reg = (IN_408_OUT_204_DIVISOR << PLLP_OUT4_RATIO) |
| 982 | | PLLP_OUT4_OVR | PLLP_OUT4_CLKEN | PLLP_OUT4_RSTN_DIS |
| 983 | | (IN_408_OUT_102_DIVISOR << PLLP_OUT3_RATIO) |
| 984 | | PLLP_OUT3_OVR | PLLP_OUT3_CLKEN | PLLP_OUT3_RSTN_DIS; |
| 985 | writel(reg, &clkrst->crc_pll[CLOCK_ID_PERIPH].pll_out[1]); |
| 986 | |
| 987 | /* |
| 988 | * NOTE: If you want to change PLLP_OUT2 away from 204MHz, |
| 989 | * you can change PLLP_BASE DIVP here. Currently defaults |
| 990 | * to 1, which is 2^1, or 2, so PLLP_OUT2 is 204MHz. |
| 991 | * See Table 13 in section 5.1.4 in T210 TRM for more info. |
| 992 | */ |
| 993 | } |
| 994 | |
| 995 | void clock_early_init(void) |
| 996 | { |
| 997 | struct clk_rst_ctlr *clkrst = |
| 998 | (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
Tom Warren | a8480ef | 2015-06-25 09:50:44 -0700 | [diff] [blame] | 999 | struct clk_pll_info *pllinfo = &tegra_pll_info_table[CLOCK_ID_DISPLAY]; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1000 | u32 data; |
| 1001 | |
| 1002 | tegra210_setup_pllp(); |
| 1003 | |
| 1004 | /* |
| 1005 | * PLLC output frequency set to 600Mhz |
| 1006 | * PLLD output frequency set to 925Mhz |
| 1007 | */ |
| 1008 | switch (clock_get_osc_freq()) { |
| 1009 | case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */ |
Svyatoslav Ryhel | 7f4ab33 | 2023-02-01 10:53:01 +0200 | [diff] [blame] | 1010 | case CLOCK_OSC_FREQ_48_0: /* OSC is 48Mhz */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1011 | clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8); |
| 1012 | clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12); |
| 1013 | break; |
| 1014 | |
| 1015 | case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */ |
| 1016 | clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8); |
| 1017 | clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12); |
| 1018 | break; |
| 1019 | |
| 1020 | case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */ |
Svyatoslav Ryhel | 7f4ab33 | 2023-02-01 10:53:01 +0200 | [diff] [blame] | 1021 | case CLOCK_OSC_FREQ_16_8: /* OSC is 16.8Mhz */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1022 | clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8); |
| 1023 | clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12); |
| 1024 | break; |
| 1025 | case CLOCK_OSC_FREQ_19_2: |
| 1026 | clock_set_rate(CLOCK_ID_CGENERAL, 125, 4, 0, 0); |
| 1027 | clock_set_rate(CLOCK_ID_DISPLAY, 96, 2, 0, 12); |
| 1028 | break; |
Tom Warren | 27bce71 | 2015-06-22 13:03:44 -0700 | [diff] [blame] | 1029 | case CLOCK_OSC_FREQ_38_4: |
| 1030 | clock_set_rate(CLOCK_ID_CGENERAL, 125, 8, 0, 0); |
| 1031 | clock_set_rate(CLOCK_ID_DISPLAY, 96, 4, 0, 0); |
| 1032 | break; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1033 | default: |
| 1034 | /* |
| 1035 | * These are not supported. It is too early to print a |
| 1036 | * message and the UART likely won't work anyway due to the |
| 1037 | * oscillator being wrong. |
| 1038 | */ |
| 1039 | break; |
| 1040 | } |
| 1041 | |
| 1042 | /* PLLC_MISC1: Turn IDDQ off. NOTE: T210 PLLC_MISC_1 maps to pll_misc */ |
| 1043 | clrbits_le32(&clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc, |
| 1044 | (1 << PLLC_IDDQ)); |
| 1045 | udelay(2); |
| 1046 | |
| 1047 | /* |
| 1048 | * PLLC_MISC: Take PLLC out of reset. NOTE: T210 PLLC_MISC maps |
| 1049 | * to pll_out[1] |
| 1050 | */ |
| 1051 | clrbits_le32(&clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1], |
| 1052 | (1 << PLLC_RESET)); |
| 1053 | udelay(2); |
| 1054 | |
| 1055 | /* PLLD_MISC: Set CLKENABLE and LOCK_DETECT bits */ |
Tom Warren | a8480ef | 2015-06-25 09:50:44 -0700 | [diff] [blame] | 1056 | data = (1 << PLLD_ENABLE_CLK) | (1 << pllinfo->lock_ena); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1057 | writel(data, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc); |
| 1058 | udelay(2); |
| 1059 | } |
| 1060 | |
Thierry Reding | fa6e24d | 2015-08-20 11:42:19 +0200 | [diff] [blame] | 1061 | unsigned int clk_m_get_rate(unsigned parent_rate) |
| 1062 | { |
| 1063 | struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 1064 | u32 value, div; |
| 1065 | |
| 1066 | value = readl(&clkrst->crc_spare_reg0); |
| 1067 | div = ((value >> 2) & 0x3) + 1; |
| 1068 | |
| 1069 | return parent_rate / div; |
| 1070 | } |
| 1071 | |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1072 | void arch_timer_init(void) |
| 1073 | { |
| 1074 | struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE; |
| 1075 | u32 freq, val; |
| 1076 | |
Thierry Reding | 4c3aaa7 | 2015-08-20 11:42:20 +0200 | [diff] [blame] | 1077 | freq = clock_get_rate(CLOCK_ID_CLK_M); |
| 1078 | debug("%s: clk_m freq is %dHz [0x%08X]\n", __func__, freq, freq); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1079 | |
Thierry Reding | 4c3aaa7 | 2015-08-20 11:42:20 +0200 | [diff] [blame] | 1080 | if (current_el() == 3) |
| 1081 | asm("msr cntfrq_el0, %0\n" : : "r" (freq)); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1082 | |
| 1083 | /* Only Tegra114+ has the System Counter regs */ |
| 1084 | debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq); |
| 1085 | writel(freq, &sysctr->cntfid0); |
| 1086 | |
| 1087 | val = readl(&sysctr->cntcr); |
| 1088 | val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG; |
| 1089 | writel(val, &sysctr->cntcr); |
| 1090 | debug("%s: TSC CNTCR = 0x%08X\n", __func__, val); |
| 1091 | } |
| 1092 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1093 | #define PLLREFE_MISC 0x4c8 |
| 1094 | #define PLLREFE_MISC_LOCK BIT(27) |
| 1095 | #define PLLREFE_MISC_IDDQ BIT(24) |
| 1096 | |
| 1097 | #define PLLREFE_BASE 0x4c4 |
| 1098 | #define PLLREFE_BASE_BYPASS BIT(31) |
| 1099 | #define PLLREFE_BASE_ENABLE BIT(30) |
| 1100 | #define PLLREFE_BASE_REF_DIS BIT(29) |
| 1101 | #define PLLREFE_BASE_KCP(kcp) (((kcp) & 0x3) << 27) |
| 1102 | #define PLLREFE_BASE_KVCO BIT(26) |
| 1103 | #define PLLREFE_BASE_DIVP(p) (((p) & 0x1f) << 16) |
| 1104 | #define PLLREFE_BASE_DIVN(n) (((n) & 0xff) << 8) |
| 1105 | #define PLLREFE_BASE_DIVM(m) (((m) & 0xff) << 0) |
| 1106 | |
| 1107 | static int tegra_pllref_enable(void) |
| 1108 | { |
| 1109 | u32 value; |
| 1110 | unsigned long start; |
| 1111 | |
| 1112 | /* |
| 1113 | * This sequence comes from Tegra X1 TRM section "Cold Boot, with no |
| 1114 | * Recovery Mode or Boot from USB", sub-section "PLLREFE". |
| 1115 | */ |
| 1116 | |
| 1117 | value = readl(NV_PA_CLK_RST_BASE + PLLREFE_MISC); |
| 1118 | value &= ~PLLREFE_MISC_IDDQ; |
| 1119 | writel(value, NV_PA_CLK_RST_BASE + PLLREFE_MISC); |
| 1120 | |
| 1121 | udelay(5); |
| 1122 | |
| 1123 | value = PLLREFE_BASE_ENABLE | |
| 1124 | PLLREFE_BASE_KCP(0) | |
| 1125 | PLLREFE_BASE_DIVP(0) | |
| 1126 | PLLREFE_BASE_DIVN(0x41) | |
| 1127 | PLLREFE_BASE_DIVM(4); |
| 1128 | writel(value, NV_PA_CLK_RST_BASE + PLLREFE_BASE); |
| 1129 | |
| 1130 | debug("waiting for pllrefe lock\n"); |
| 1131 | start = get_timer(0); |
| 1132 | while (get_timer(start) < 250) { |
| 1133 | value = readl(NV_PA_CLK_RST_BASE + PLLREFE_MISC); |
| 1134 | if (value & PLLREFE_MISC_LOCK) |
| 1135 | break; |
| 1136 | } |
| 1137 | if (!(value & PLLREFE_MISC_LOCK)) { |
| 1138 | debug(" timeout\n"); |
| 1139 | return -ETIMEDOUT; |
| 1140 | } |
| 1141 | debug(" done\n"); |
| 1142 | |
| 1143 | return 0; |
| 1144 | } |
| 1145 | |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1146 | #define PLLE_SS_CNTL 0x68 |
| 1147 | #define PLLE_SS_CNTL_SSCINCINTR(x) (((x) & 0x3f) << 24) |
| 1148 | #define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16) |
| 1149 | #define PLLE_SS_CNTL_SSCINVERT (1 << 15) |
| 1150 | #define PLLE_SS_CNTL_SSCCENTER (1 << 14) |
| 1151 | #define PLLE_SS_CNTL_SSCBYP (1 << 12) |
| 1152 | #define PLLE_SS_CNTL_INTERP_RESET (1 << 11) |
| 1153 | #define PLLE_SS_CNTL_BYPASS_SS (1 << 10) |
| 1154 | #define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0) |
| 1155 | |
| 1156 | #define PLLE_BASE 0x0e8 |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1157 | #define PLLE_BASE_ENABLE (1 << 31) |
| 1158 | #define PLLE_BASE_PLDIV_CML(x) (((x) & 0x1f) << 24) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1159 | #define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8) |
| 1160 | #define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0) |
| 1161 | |
| 1162 | #define PLLE_MISC 0x0ec |
| 1163 | #define PLLE_MISC_IDDQ_SWCTL (1 << 14) |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1164 | #define PLLE_MISC_IDDQ_OVERRIDE_VALUE (1 << 13) |
| 1165 | #define PLLE_MISC_LOCK (1 << 11) |
Stephen Warren | b6409f2 | 2016-03-22 09:45:36 -0600 | [diff] [blame] | 1166 | #define PLLE_PTS (1 << 8) |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1167 | #define PLLE_MISC_KCP(x) (((x) & 0x3) << 6) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1168 | #define PLLE_MISC_VREG_CTRL(x) (((x) & 0x3) << 2) |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1169 | #define PLLE_MISC_KVCO (1 << 0) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1170 | |
| 1171 | #define PLLE_AUX 0x48c |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1172 | #define PLLE_AUX_SS_SEQ_INCLUDE (1 << 31) |
| 1173 | #define PLLE_AUX_REF_SEL_PLLREFE (1 << 28) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1174 | #define PLLE_AUX_SEQ_ENABLE (1 << 24) |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1175 | #define PLLE_AUX_SS_SWCTL (1 << 6) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1176 | #define PLLE_AUX_ENABLE_SWCTL (1 << 4) |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1177 | #define PLLE_AUX_USE_LOCKDET (1 << 3) |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1178 | |
| 1179 | int tegra_plle_enable(void) |
| 1180 | { |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1181 | u32 value; |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1182 | unsigned long start; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1183 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1184 | /* PLLREF feeds PLLE */ |
| 1185 | tegra_pllref_enable(); |
| 1186 | |
| 1187 | /* |
| 1188 | * This sequence comes from Tegra X1 TRM section "Cold Boot, with no |
| 1189 | * Recovery Mode or Boot from USB", sub-section "PLLEs". |
| 1190 | */ |
| 1191 | |
| 1192 | /* 1. Select XTAL as the source */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1193 | |
| 1194 | value = readl(NV_PA_CLK_RST_BASE + PLLE_AUX); |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1195 | value &= ~PLLE_AUX_REF_SEL_PLLREFE; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1196 | writel(value, NV_PA_CLK_RST_BASE + PLLE_AUX); |
| 1197 | |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1198 | value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC); |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1199 | value &= ~PLLE_MISC_IDDQ_OVERRIDE_VALUE; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1200 | writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC); |
| 1201 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1202 | /* 2. Wait 5 us */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1203 | udelay(5); |
| 1204 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1205 | /* |
| 1206 | * 3. Program the following registers to generate a low jitter 100MHz |
| 1207 | * clock. |
| 1208 | */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1209 | |
| 1210 | value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE); |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1211 | value &= ~PLLE_BASE_PLDIV_CML(0x1f); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1212 | value &= ~PLLE_BASE_NDIV(0xff); |
| 1213 | value &= ~PLLE_BASE_MDIV(0xff); |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1214 | value |= PLLE_BASE_PLDIV_CML(0xe); |
| 1215 | value |= PLLE_BASE_NDIV(0x7d); |
| 1216 | value |= PLLE_BASE_MDIV(2); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1217 | writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE); |
| 1218 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1219 | value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC); |
Stephen Warren | b6409f2 | 2016-03-22 09:45:36 -0600 | [diff] [blame] | 1220 | value |= PLLE_PTS; |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1221 | value &= ~PLLE_MISC_KCP(3); |
| 1222 | value &= ~PLLE_MISC_VREG_CTRL(3); |
| 1223 | value &= ~PLLE_MISC_KVCO; |
| 1224 | writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1225 | |
| 1226 | value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE); |
| 1227 | value |= PLLE_BASE_ENABLE; |
| 1228 | writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE); |
| 1229 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1230 | /* 4. Wait for LOCK */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1231 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1232 | debug("waiting for plle lock\n"); |
| 1233 | start = get_timer(0); |
| 1234 | while (get_timer(start) < 250) { |
| 1235 | value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC); |
| 1236 | if (value & PLLE_MISC_LOCK) |
| 1237 | break; |
| 1238 | } |
| 1239 | if (!(value & PLLE_MISC_LOCK)) { |
| 1240 | debug(" timeout\n"); |
| 1241 | return -ETIMEDOUT; |
| 1242 | } |
| 1243 | debug(" done\n"); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1244 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1245 | /* 5. Enable SSA */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1246 | |
| 1247 | value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL); |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1248 | value &= ~PLLE_SS_CNTL_SSCINC(0xff); |
| 1249 | value |= PLLE_SS_CNTL_SSCINC(1); |
| 1250 | value &= ~PLLE_SS_CNTL_SSCINCINTR(0x3f); |
| 1251 | value |= PLLE_SS_CNTL_SSCINCINTR(0x23); |
| 1252 | value &= ~PLLE_SS_CNTL_SSCMAX(0x1fff); |
| 1253 | value |= PLLE_SS_CNTL_SSCMAX(0x21); |
| 1254 | value &= ~PLLE_SS_CNTL_SSCINVERT; |
| 1255 | value &= ~PLLE_SS_CNTL_SSCCENTER; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1256 | value &= ~PLLE_SS_CNTL_BYPASS_SS; |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1257 | value &= ~PLLE_SS_CNTL_SSCBYP; |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1258 | writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL); |
| 1259 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1260 | /* 6. Wait 300 ns */ |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1261 | |
Stephen Warren | 553b61e | 2015-10-05 16:58:52 -0600 | [diff] [blame] | 1262 | udelay(1); |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1263 | value &= ~PLLE_SS_CNTL_INTERP_RESET; |
| 1264 | writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL); |
| 1265 | |
Tom Warren | f80dd82 | 2015-02-02 13:22:29 -0700 | [diff] [blame] | 1266 | return 0; |
| 1267 | } |
Stephen Warren | 1453d10 | 2016-09-13 10:45:55 -0600 | [diff] [blame] | 1268 | |
Svyatoslav Ryhel | c93b518 | 2023-07-03 18:06:54 +0300 | [diff] [blame] | 1269 | struct clk_pll_simple *clock_get_simple_pll(enum clock_id clkid) |
| 1270 | { |
| 1271 | struct clk_rst_ctlr *clkrst = |
| 1272 | (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; |
| 1273 | |
| 1274 | switch (clkid) { |
| 1275 | case CLOCK_ID_XCPU: |
| 1276 | case CLOCK_ID_EPCI: |
| 1277 | case CLOCK_ID_SFROM32KHZ: |
| 1278 | return &clkrst->crc_pll_simple[clkid - CLOCK_ID_FIRST_SIMPLE]; |
| 1279 | default: |
| 1280 | return NULL; |
| 1281 | } |
| 1282 | } |
| 1283 | |
Stephen Warren | 1453d10 | 2016-09-13 10:45:55 -0600 | [diff] [blame] | 1284 | struct periph_clk_init periph_clk_init_table[] = { |
| 1285 | { PERIPH_ID_SBC1, CLOCK_ID_PERIPH }, |
| 1286 | { PERIPH_ID_SBC2, CLOCK_ID_PERIPH }, |
| 1287 | { PERIPH_ID_SBC3, CLOCK_ID_PERIPH }, |
| 1288 | { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, |
| 1289 | { PERIPH_ID_SBC5, CLOCK_ID_PERIPH }, |
| 1290 | { PERIPH_ID_SBC6, CLOCK_ID_PERIPH }, |
| 1291 | { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, |
Stephen Warren | 1453d10 | 2016-09-13 10:45:55 -0600 | [diff] [blame] | 1292 | { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, |
| 1293 | { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, |
| 1294 | { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, |
| 1295 | { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, |
Svyatoslav Ryhel | c226fc7 | 2023-02-14 19:35:28 +0200 | [diff] [blame] | 1296 | { PERIPH_ID_PWM, CLOCK_ID_PERIPH }, |
Stephen Warren | 1453d10 | 2016-09-13 10:45:55 -0600 | [diff] [blame] | 1297 | { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, |
| 1298 | { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, |
| 1299 | { PERIPH_ID_I2C3, CLOCK_ID_PERIPH }, |
| 1300 | { PERIPH_ID_I2C4, CLOCK_ID_PERIPH }, |
| 1301 | { PERIPH_ID_I2C5, CLOCK_ID_PERIPH }, |
| 1302 | { PERIPH_ID_I2C6, CLOCK_ID_PERIPH }, |
| 1303 | { -1, }, |
| 1304 | }; |