1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * include/linux/clk/at91_pmc.h 4 * 5 * Copyright (C) 2005 Ivan Kokshaysky 6 * Copyright (C) SAN People 7 * 8 * Power Management Controller (PMC) - System peripherals registers. 9 * Based on AT91RM9200 datasheet revision E. 10 */ 11 12 #ifndef AT91_PMC_H 13 #define AT91_PMC_H 14 15 #include <linux/bits.h> 16 17 #define AT91_PMC_V1 (1) /* PMC version 1 */ 18 #define AT91_PMC_V2 (2) /* PMC version 2 [SAM9X60] */ 19 20 #define AT91_PMC_SCER 0x00 /* System Clock Enable Register */ 21 #define AT91_PMC_SCDR 0x04 /* System Clock Disable Register */ 22 23 #define AT91_PMC_SCSR 0x08 /* System Clock Status Register */ 24 #define AT91_PMC_PCK (1 << 0) /* Processor Clock */ 25 #define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */ 26 #define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */ 27 #define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */ 28 #define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */ 29 #define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */ 30 #define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */ 31 #define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */ 32 #define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */ 33 #define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */ 34 #define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */ 35 #define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */ 36 #define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */ 37 38 #define AT91_PMC_PLL_CTRL0 0x0C /* PLL Control Register 0 [for SAM9X60] */ 39 #define AT91_PMC_PLL_CTRL0_ENPLL (1 << 28) /* Enable PLL */ 40 #define AT91_PMC_PLL_CTRL0_ENPLLCK (1 << 29) /* Enable PLL clock for PMC */ 41 #define AT91_PMC_PLL_CTRL0_ENLOCK (1 << 31) /* Enable PLL lock */ 42 43 #define AT91_PMC_PLL_CTRL1 0x10 /* PLL Control Register 1 [for SAM9X60] */ 44 45 #define AT91_PMC_PCER 0x10 /* Peripheral Clock Enable Register */ 46 #define AT91_PMC_PCDR 0x14 /* Peripheral Clock Disable Register */ 47 #define AT91_PMC_PCSR 0x18 /* Peripheral Clock Status Register */ 48 49 #define AT91_PMC_PLL_ACR 0x18 /* PLL Analog Control Register [for SAM9X60] */ 50 #define AT91_PMC_PLL_ACR_DEFAULT_UPLL UL(0x12020010) /* Default PLL ACR value for UPLL */ 51 #define AT91_PMC_PLL_ACR_DEFAULT_PLLA UL(0x00020010) /* Default PLL ACR value for PLLA */ 52 #define AT91_PMC_PLL_ACR_UTMIVR (1 << 12) /* UPLL Voltage regulator Control */ 53 #define AT91_PMC_PLL_ACR_UTMIBG (1 << 13) /* UPLL Bandgap Control */ 54 55 #define AT91_CKGR_UCKR 0x1C /* UTMI Clock Register [some SAM9] */ 56 #define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */ 57 #define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */ 58 #define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */ 59 #define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */ 60 61 #define AT91_PMC_PLL_UPDT 0x1C /* PMC PLL update register [for SAM9X60] */ 62 #define AT91_PMC_PLL_UPDT_UPDATE (1 << 8) /* Update PLL settings */ 63 #define AT91_PMC_PLL_UPDT_ID (1 << 0) /* PLL ID */ 64 #define AT91_PMC_PLL_UPDT_ID_MSK (0xf) /* PLL ID mask */ 65 #define AT91_PMC_PLL_UPDT_STUPTIM (0xff << 16) /* Startup time */ 66 67 #define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */ 68 #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ 69 #define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */ 70 #define AT91_PMC_WAITMODE (1 << 2) /* Wait Mode Command */ 71 #define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */ 72 #define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */ 73 #define AT91_PMC_KEY_MASK (0xff << 16) 74 #define AT91_PMC_KEY (0x37 << 16) /* MOR Writing Key */ 75 #define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */ 76 #define AT91_PMC_CFDEN (1 << 25) /* Clock Failure Detector Enable [some SAM9] */ 77 78 #define AT91_CKGR_MCFR 0x24 /* Main Clock Frequency Register */ 79 #define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */ 80 #define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */ 81 82 #define AT91_CKGR_PLLAR 0x28 /* PLL A Register */ 83 84 #define AT91_PMC_RATIO 0x2c /* Processor clock ratio register [SAMA7G5 only] */ 85 #define AT91_PMC_RATIO_RATIO (0xf) /* CPU clock ratio. */ 86 87 #define AT91_CKGR_PLLBR 0x2c /* PLL B Register */ 88 #define AT91_PMC_DIV (0xff << 0) /* Divider */ 89 #define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */ 90 #define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */ 91 #define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */ 92 #define AT91_PMC_MUL_GET(n) ((n) >> 16 & 0x7ff) 93 #define AT91_PMC3_MUL (0x7f << 18) /* PLL Multiplier [SAMA5 only] */ 94 #define AT91_PMC3_MUL_GET(n) ((n) >> 18 & 0x7f) 95 #define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */ 96 #define AT91_PMC_USBDIV_1 (0 << 28) 97 #define AT91_PMC_USBDIV_2 (1 << 28) 98 #define AT91_PMC_USBDIV_4 (2 << 28) 99 #define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ 100 101 #define AT91_PMC_CPU_CKR 0x28 /* CPU Clock Register */ 102 103 #define AT91_PMC_MCKR 0x30 /* Master Clock Register */ 104 #define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ 105 #define AT91_PMC_CSS_SLOW (0 << 0) 106 #define AT91_PMC_CSS_MAIN (1 << 0) 107 #define AT91_PMC_CSS_PLLA (2 << 0) 108 #define AT91_PMC_CSS_PLLB (3 << 0) 109 #define AT91_PMC_CSS_UPLL (3 << 0) /* [some SAM9 only] */ 110 #define PMC_PRES_OFFSET 2 111 #define AT91_PMC_PRES (7 << PMC_PRES_OFFSET) /* Master Clock Prescaler */ 112 #define AT91_PMC_PRES_1 (0 << PMC_PRES_OFFSET) 113 #define AT91_PMC_PRES_2 (1 << PMC_PRES_OFFSET) 114 #define AT91_PMC_PRES_4 (2 << PMC_PRES_OFFSET) 115 #define AT91_PMC_PRES_8 (3 << PMC_PRES_OFFSET) 116 #define AT91_PMC_PRES_16 (4 << PMC_PRES_OFFSET) 117 #define AT91_PMC_PRES_32 (5 << PMC_PRES_OFFSET) 118 #define AT91_PMC_PRES_64 (6 << PMC_PRES_OFFSET) 119 #define PMC_ALT_PRES_OFFSET 4 120 #define AT91_PMC_ALT_PRES (7 << PMC_ALT_PRES_OFFSET) /* Master Clock Prescaler [alternate location] */ 121 #define AT91_PMC_ALT_PRES_1 (0 << PMC_ALT_PRES_OFFSET) 122 #define AT91_PMC_ALT_PRES_2 (1 << PMC_ALT_PRES_OFFSET) 123 #define AT91_PMC_ALT_PRES_4 (2 << PMC_ALT_PRES_OFFSET) 124 #define AT91_PMC_ALT_PRES_8 (3 << PMC_ALT_PRES_OFFSET) 125 #define AT91_PMC_ALT_PRES_16 (4 << PMC_ALT_PRES_OFFSET) 126 #define AT91_PMC_ALT_PRES_32 (5 << PMC_ALT_PRES_OFFSET) 127 #define AT91_PMC_ALT_PRES_64 (6 << PMC_ALT_PRES_OFFSET) 128 #define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */ 129 #define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */ 130 #define AT91RM9200_PMC_MDIV_2 (1 << 8) 131 #define AT91RM9200_PMC_MDIV_3 (2 << 8) 132 #define AT91RM9200_PMC_MDIV_4 (3 << 8) 133 #define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9 only] */ 134 #define AT91SAM9_PMC_MDIV_2 (1 << 8) 135 #define AT91SAM9_PMC_MDIV_4 (2 << 8) 136 #define AT91SAM9_PMC_MDIV_6 (3 << 8) /* [some SAM9 only] */ 137 #define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */ 138 #define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */ 139 #define AT91_PMC_PDIV_1 (0 << 12) 140 #define AT91_PMC_PDIV_2 (1 << 12) 141 #define AT91_PMC_PLLADIV2 (1 << 12) /* PLLA divisor by 2 [some SAM9 only] */ 142 #define AT91_PMC_PLLADIV2_OFF (0 << 12) 143 #define AT91_PMC_PLLADIV2_ON (1 << 12) 144 #define AT91_PMC_H32MXDIV BIT(24) 145 146 #define AT91_PMC_MCR_V2 0x30 /* Master Clock Register [SAMA7G5 only] */ 147 #define AT91_PMC_MCR_V2_ID_MSK (0xF) 148 #define AT91_PMC_MCR_V2_ID(_id) ((_id) & AT91_PMC_MCR_V2_ID_MSK) 149 #define AT91_PMC_MCR_V2_CMD (1 << 7) 150 #define AT91_PMC_MCR_V2_DIV (7 << 8) 151 #define AT91_PMC_MCR_V2_DIV1 (0 << 8) 152 #define AT91_PMC_MCR_V2_DIV2 (1 << 8) 153 #define AT91_PMC_MCR_V2_DIV4 (2 << 8) 154 #define AT91_PMC_MCR_V2_DIV8 (3 << 8) 155 #define AT91_PMC_MCR_V2_DIV16 (4 << 8) 156 #define AT91_PMC_MCR_V2_DIV32 (5 << 8) 157 #define AT91_PMC_MCR_V2_DIV64 (6 << 8) 158 #define AT91_PMC_MCR_V2_DIV3 (7 << 8) 159 #define AT91_PMC_MCR_V2_CSS (0x1F << 16) 160 #define AT91_PMC_MCR_V2_CSS_MD_SLCK (0 << 16) 161 #define AT91_PMC_MCR_V2_CSS_TD_SLCK (1 << 16) 162 #define AT91_PMC_MCR_V2_CSS_MAINCK (2 << 16) 163 #define AT91_PMC_MCR_V2_CSS_MCK0 (3 << 16) 164 #define AT91_PMC_MCR_V2_CSS_SYSPLL (5 << 16) 165 #define AT91_PMC_MCR_V2_CSS_DDRPLL (6 << 16) 166 #define AT91_PMC_MCR_V2_CSS_IMGPLL (7 << 16) 167 #define AT91_PMC_MCR_V2_CSS_BAUDPLL (8 << 16) 168 #define AT91_PMC_MCR_V2_CSS_AUDIOPLL (9 << 16) 169 #define AT91_PMC_MCR_V2_CSS_ETHPLL (10 << 16) 170 #define AT91_PMC_MCR_V2_EN (1 << 28) 171 172 #define AT91_PMC_XTALF 0x34 /* Main XTAL Frequency Register [SAMA7G5 only] */ 173 174 #define AT91_PMC_USB 0x38 /* USB Clock Register [some SAM9 only] */ 175 #define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */ 176 #define AT91_PMC_USBS_PLLA (0 << 0) 177 #define AT91_PMC_USBS_UPLL (1 << 0) 178 #define AT91_PMC_USBS_PLLB (1 << 0) /* [AT91SAMN12 only] */ 179 #define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */ 180 #define AT91_PMC_OHCIUSBDIV_1 (0x0 << 8) 181 #define AT91_PMC_OHCIUSBDIV_2 (0x1 << 8) 182 183 #define AT91_PMC_SMD 0x3c /* Soft Modem Clock Register [some SAM9 only] */ 184 #define AT91_PMC_SMDS (0x1 << 0) /* SMD input clock selection */ 185 #define AT91_PMC_SMD_DIV (0x1f << 8) /* SMD input clock divider */ 186 #define AT91_PMC_SMDDIV(n) (((n) << 8) & AT91_PMC_SMD_DIV) 187 188 #define AT91_PMC_PCKR(n) (0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */ 189 #define AT91_PMC_ALT_PCKR_CSS (0x7 << 0) /* Programmable Clock Source Selection [alternate length] */ 190 #define AT91_PMC_CSS_MASTER (4 << 0) /* [some SAM9 only] */ 191 #define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */ 192 #define AT91_PMC_CSSMCK_CSS (0 << 8) 193 #define AT91_PMC_CSSMCK_MCK (1 << 8) 194 195 #define AT91_PMC_IER 0x60 /* Interrupt Enable Register */ 196 #define AT91_PMC_IDR 0x64 /* Interrupt Disable Register */ 197 #define AT91_PMC_SR 0x68 /* Status Register */ 198 #define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */ 199 #define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */ 200 #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ 201 #define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ 202 #define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9] */ 203 #define AT91_PMC_OSCSEL (1 << 7) /* Slow Oscillator Selection [some SAM9] */ 204 #define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ 205 #define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ 206 #define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ 207 #define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */ 208 #define AT91_PMC_MOSCSELS (1 << 16) /* Main Oscillator Selection [some SAM9] */ 209 #define AT91_PMC_MOSCRCS (1 << 17) /* Main On-Chip RC [some SAM9] */ 210 #define AT91_PMC_CFDEV (1 << 18) /* Clock Failure Detector Event [some SAM9] */ 211 #define AT91_PMC_GCKRDY (1 << 24) /* Generated Clocks */ 212 #define AT91_PMC_MCKXRDY (1 << 26) /* Master Clock x [x=1..4] Ready Status */ 213 #define AT91_PMC_IMR 0x6c /* Interrupt Mask Register */ 214 215 #define AT91_PMC_FSMR 0x70 /* Fast Startup Mode Register */ 216 #define AT91_PMC_FSTT(n) BIT(n) 217 #define AT91_PMC_RTTAL BIT(16) 218 #define AT91_PMC_RTCAL BIT(17) /* RTC Alarm Enable */ 219 #define AT91_PMC_USBAL BIT(18) /* USB Resume Enable */ 220 #define AT91_PMC_SDMMC_CD BIT(19) /* SDMMC Card Detect Enable */ 221 #define AT91_PMC_LPM BIT(20) /* Low-power Mode */ 222 #define AT91_PMC_RXLP_MCE BIT(24) /* Backup UART Receive Enable */ 223 #define AT91_PMC_ACC_CE BIT(25) /* ACC Enable */ 224 225 #define AT91_PMC_FSPR 0x74 /* Fast Startup Polarity Reg */ 226 227 #define AT91_PMC_FS_INPUT_MASK 0x7ff 228 229 #define AT91_PMC_PLLICPR 0x80 /* PLL Charge Pump Current Register */ 230 231 #define AT91_PMC_PROT 0xe4 /* Write Protect Mode Register [some SAM9] */ 232 #define AT91_PMC_WPEN (0x1 << 0) /* Write Protect Enable */ 233 #define AT91_PMC_WPKEY (0xffffff << 8) /* Write Protect Key */ 234 #define AT91_PMC_PROTKEY (0x504d43 << 8) /* Activation Code */ 235 236 #define AT91_PMC_WPSR 0xe8 /* Write Protect Status Register [some SAM9] */ 237 #define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */ 238 #define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */ 239 240 #define AT91_PMC_PLL_ISR0 0xEC /* PLL Interrupt Status Register 0 [SAM9X60 only] */ 241 242 #define AT91_PMC_PCER1 0x100 /* Peripheral Clock Enable Register 1 [SAMA5 only]*/ 243 #define AT91_PMC_PCDR1 0x104 /* Peripheral Clock Enable Register 1 */ 244 #define AT91_PMC_PCSR1 0x108 /* Peripheral Clock Enable Register 1 */ 245 246 #define AT91_PMC_PCR 0x10c /* Peripheral Control Register [some SAM9 and SAMA5] */ 247 #define AT91_PMC_PCR_PID_MASK 0x3f 248 #define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */ 249 #define AT91_PMC_PCR_GCKDIV_MASK GENMASK(27, 20) 250 #define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */ 251 #define AT91_PMC_PCR_GCKEN (0x1 << 29) /* GCK Enable */ 252 253 #define AT91_PMC_AUDIO_PLL0 0x14c 254 #define AT91_PMC_AUDIO_PLL_PLLEN (1 << 0) 255 #define AT91_PMC_AUDIO_PLL_PADEN (1 << 1) 256 #define AT91_PMC_AUDIO_PLL_PMCEN (1 << 2) 257 #define AT91_PMC_AUDIO_PLL_RESETN (1 << 3) 258 #define AT91_PMC_AUDIO_PLL_ND_OFFSET 8 259 #define AT91_PMC_AUDIO_PLL_ND_MASK (0x7f << AT91_PMC_AUDIO_PLL_ND_OFFSET) 260 #define AT91_PMC_AUDIO_PLL_ND(n) ((n) << AT91_PMC_AUDIO_PLL_ND_OFFSET) 261 #define AT91_PMC_AUDIO_PLL_QDPMC_OFFSET 16 262 #define AT91_PMC_AUDIO_PLL_QDPMC_MASK (0x7f << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET) 263 #define AT91_PMC_AUDIO_PLL_QDPMC(n) ((n) << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET) 264 265 #define AT91_PMC_AUDIO_PLL1 0x150 266 #define AT91_PMC_AUDIO_PLL_FRACR_MASK 0x3fffff 267 #define AT91_PMC_AUDIO_PLL_QDPAD_OFFSET 24 268 #define AT91_PMC_AUDIO_PLL_QDPAD_MASK (0x7f << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET) 269 #define AT91_PMC_AUDIO_PLL_QDPAD(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET) 270 #define AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET AT91_PMC_AUDIO_PLL_QDPAD_OFFSET 271 #define AT91_PMC_AUDIO_PLL_QDPAD_DIV_MASK (0x3 << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET) 272 #define AT91_PMC_AUDIO_PLL_QDPAD_DIV(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET) 273 #define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET 26 274 #define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX 0x1f 275 #define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MASK (AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET) 276 #define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET) 277 278 #endif 279
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