1 /* 2 * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_pmc.h] 3 * 4 * Copyright (C) 2005 Ivan Kokshaysky 5 * Copyright (C) SAN People 6 * Copyright (C) 2009 Jens Scharsig (js_at_ng@scharsoft.de) 7 * 8 * Power Management Controller (PMC) - System peripherals registers. 9 * Based on AT91RM9200 datasheet revision E. 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 */ 13 14 #ifndef AT91_PMC_H 15 #define AT91_PMC_H 16 17 #ifdef __ASSEMBLY__ 18 19 #define AT91_ASM_PMC_MOR (ATMEL_BASE_PMC + 0x20) 20 #define AT91_ASM_PMC_PLLAR (ATMEL_BASE_PMC + 0x28) 21 #define AT91_ASM_PMC_PLLBR (ATMEL_BASE_PMC + 0x2c) 22 #define AT91_ASM_PMC_MCKR (ATMEL_BASE_PMC + 0x30) 23 #define AT91_ASM_PMC_SR (ATMEL_BASE_PMC + 0x68) 24 25 #else 26 27 #include <asm/types.h> 28 29 typedef struct at91_pmc { 30 u32 scer; /* 0x00 System Clock Enable Register */ 31 u32 scdr; /* 0x04 System Clock Disable Register */ 32 u32 scsr; /* 0x08 System Clock Status Register */ 33 u32 reserved0; 34 u32 pcer; /* 0x10 Peripheral Clock Enable Register */ 35 u32 pcdr; /* 0x14 Peripheral Clock Disable Register */ 36 u32 pcsr; /* 0x18 Peripheral Clock Status Register */ 37 u32 uckr; /* 0x1C UTMI Clock Register */ 38 u32 mor; /* 0x20 Main Oscilator Register */ 39 u32 mcfr; /* 0x24 Main Clock Frequency Register */ 40 u32 pllar; /* 0x28 PLL A Register */ 41 u32 pllbr; /* 0x2C PLL B Register */ 42 u32 mckr; /* 0x30 Master Clock Register */ 43 u32 reserved1; 44 u32 usb; /* 0x38 USB Clock Register */ 45 u32 reserved2; 46 u32 pck[4]; /* 0x40 Programmable Clock Register 0 - 3 */ 47 u32 reserved3[4]; 48 u32 ier; /* 0x60 Interrupt Enable Register */ 49 u32 idr; /* 0x64 Interrupt Disable Register */ 50 u32 sr; /* 0x68 Status Register */ 51 u32 imr; /* 0x6C Interrupt Mask Register */ 52 u32 reserved4[4]; 53 u32 pllicpr; /* 0x80 Change Pump Current Register (SAM9) */ 54 u32 reserved5[24]; 55 u32 wpmr; /* 0xE4 Write Protect Mode Register (CAP0) */ 56 u32 wpsr; /* 0xE8 Write Protect Status Register (CAP0) */ 57 u32 reserved6[5]; 58 u32 pcer1; /* 0x100 Periperial Clock Enable Register 1 */ 59 u32 pcdr1; /* 0x104 Periperial Clock Disable Register 1 */ 60 u32 pcsr1; /* 0x108 Periperial Clock Status Register 1 */ 61 u32 pcr; /* 0x10c Periperial Control Register */ 62 u32 ocr; /* 0x110 Oscillator Calibration Register */ 63 } at91_pmc_t; 64 65 #endif /* end not assembly */ 66 67 #define AT91_PMC_MOR_MOSCEN 0x01 68 #define AT91_PMC_MOR_OSCBYPASS 0x02 69 #define AT91_PMC_MOR_MOSCRCEN 0x08 70 #define AT91_PMC_MOR_OSCOUNT(x) ((x & 0xff) << 8) 71 #define AT91_PMC_MOR_KEY(x) ((x & 0xff) << 16) 72 #define AT91_PMC_MOR_MOSCSEL (1 << 24) 73 74 #define AT91_PMC_PLLXR_DIV(x) (x & 0xFF) 75 #define AT91_PMC_PLLXR_PLLCOUNT(x) ((x & 0x3F) << 8) 76 #define AT91_PMC_PLLXR_OUT(x) ((x & 0x03) << 14) 77 #if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \ 78 defined(CONFIG_SAMA5D4) 79 #define AT91_PMC_PLLXR_MUL(x) ((x & 0x7F) << 18) 80 #else 81 #define AT91_PMC_PLLXR_MUL(x) ((x & 0x7FF) << 16) 82 #endif 83 #define AT91_PMC_PLLAR_29 0x20000000 84 #define AT91_PMC_PLLBR_USBDIV_1 0x00000000 85 #define AT91_PMC_PLLBR_USBDIV_2 0x10000000 86 #define AT91_PMC_PLLBR_USBDIV_4 0x20000000 87 88 #define AT91_PMC_MCFR_MAINRDY 0x00010000 89 #define AT91_PMC_MCFR_MAINF_MASK 0x0000FFFF 90 91 #define AT91_PMC_MCKR_CSS_SLOW 0x00000000 92 #define AT91_PMC_MCKR_CSS_MAIN 0x00000001 93 #define AT91_PMC_MCKR_CSS_PLLA 0x00000002 94 #define AT91_PMC_MCKR_CSS_PLLB 0x00000003 95 #define AT91_PMC_MCKR_CSS_MASK 0x00000003 96 97 #if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \ 98 defined(CONFIG_SAMA5D4) || \ 99 defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12) 100 #define AT91_PMC_MCKR_PRES_1 0x00000000 101 #define AT91_PMC_MCKR_PRES_2 0x00000010 102 #define AT91_PMC_MCKR_PRES_4 0x00000020 103 #define AT91_PMC_MCKR_PRES_8 0x00000030 104 #define AT91_PMC_MCKR_PRES_16 0x00000040 105 #define AT91_PMC_MCKR_PRES_32 0x00000050 106 #define AT91_PMC_MCKR_PRES_64 0x00000060 107 #define AT91_PMC_MCKR_PRES_MASK 0x00000070 108 #else 109 #define AT91_PMC_MCKR_PRES_1 0x00000000 110 #define AT91_PMC_MCKR_PRES_2 0x00000004 111 #define AT91_PMC_MCKR_PRES_4 0x00000008 112 #define AT91_PMC_MCKR_PRES_8 0x0000000C 113 #define AT91_PMC_MCKR_PRES_16 0x00000010 114 #define AT91_PMC_MCKR_PRES_32 0x00000014 115 #define AT91_PMC_MCKR_PRES_64 0x00000018 116 #define AT91_PMC_MCKR_PRES_MASK 0x0000001C 117 #endif 118 119 #ifdef CONFIG_AT91RM9200 120 #define AT91_PMC_MCKR_MDIV_1 0x00000000 121 #define AT91_PMC_MCKR_MDIV_2 0x00000100 122 #define AT91_PMC_MCKR_MDIV_3 0x00000200 123 #define AT91_PMC_MCKR_MDIV_4 0x00000300 124 #define AT91_PMC_MCKR_MDIV_MASK 0x00000300 125 #else 126 #define AT91_PMC_MCKR_MDIV_1 0x00000000 127 #define AT91_PMC_MCKR_MDIV_2 0x00000100 128 #define AT91_PMC_MCKR_MDIV_3 0x00000300 129 #define AT91_PMC_MCKR_MDIV_4 0x00000200 130 #define AT91_PMC_MCKR_MDIV_MASK 0x00000300 131 #endif 132 133 #define AT91_PMC_MCKR_PLLADIV_MASK 0x00003000 134 #define AT91_PMC_MCKR_PLLADIV_1 0x00000000 135 #define AT91_PMC_MCKR_PLLADIV_2 0x00001000 136 137 #define AT91_PMC_MCKR_H32MXDIV 0x01000000 138 139 #define AT91_PMC_IXR_MOSCS 0x00000001 140 #define AT91_PMC_IXR_LOCKA 0x00000002 141 #define AT91_PMC_IXR_LOCKB 0x00000004 142 #define AT91_PMC_IXR_MCKRDY 0x00000008 143 #define AT91_PMC_IXR_LOCKU 0x00000040 144 #define AT91_PMC_IXR_PCKRDY0 0x00000100 145 #define AT91_PMC_IXR_PCKRDY1 0x00000200 146 #define AT91_PMC_IXR_PCKRDY2 0x00000400 147 #define AT91_PMC_IXR_PCKRDY3 0x00000800 148 #define AT91_PMC_IXR_MOSCSELS 0x00010000 149 150 #define AT91_PMC_PCR_PID_MASK (0x3f) 151 #define AT91_PMC_PCR_GCKCSS (0x7 << 8) 152 #define AT91_PMC_PCR_GCKCSS_SLOW_CLK (0x0 << 8) 153 #define AT91_PMC_PCR_GCKCSS_MAIN_CLK (0x1 << 8) 154 #define AT91_PMC_PCR_GCKCSS_PLLA_CLK (0x2 << 8) 155 #define AT91_PMC_PCR_GCKCSS_UPLL_CLK (0x3 << 8) 156 #define AT91_PMC_PCR_GCKCSS_MCK_CLK (0x4 << 8) 157 #define AT91_PMC_PCR_GCKCSS_AUDIO_CLK (0x5 << 8) 158 #define AT91_PMC_PCR_CMD_WRITE (0x1 << 12) 159 #define AT91_PMC_PCR_DIV (0x3 << 16) 160 #define AT91_PMC_PCR_GCKDIV (0xff << 20) 161 #define AT91_PMC_PCR_GCKDIV_(x) ((x & 0xff) << 20) 162 #define AT91_PMC_PCR_GCKDIV_OFFSET 20 163 #define AT91_PMC_PCR_EN (0x1 << 28) 164 #define AT91_PMC_PCR_GCKEN (0x1 << 29) 165 166 #define AT91_PMC_PCK (1 << 0) /* Processor Clock */ 167 #define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */ 168 #define AT91_PMC_DDR (1 << 2) /* DDR Clock */ 169 #define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */ 170 #define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */ 171 #define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */ 172 #define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */ 173 #define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */ 174 #define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */ 175 #define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */ 176 #define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */ 177 #define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */ 178 #define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */ 179 180 #define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */ 181 #define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */ 182 #define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */ 183 #define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI PLL Start-up Time */ 184 185 #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ 186 #define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass [SAM9x] */ 187 #define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */ 188 189 #define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */ 190 #define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */ 191 192 #define AT91_PMC_DIV (0xff << 0) /* Divider */ 193 #define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */ 194 #define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */ 195 #define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */ 196 #define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */ 197 #define AT91_PMC_USBDIV_1 (0 << 28) 198 #define AT91_PMC_USBDIV_2 (1 << 28) 199 #define AT91_PMC_USBDIV_4 (2 << 28) 200 #define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ 201 #define AT91_PMC_PLLA_WR_ERRATA (1 << 29) /* Bit 29 must always be set to 1 when programming the CKGR_PLLAR register */ 202 203 #define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ 204 #define AT91_PMC_CSS_SLOW (0 << 0) 205 #define AT91_PMC_CSS_MAIN (1 << 0) 206 #define AT91_PMC_CSS_PLLA (2 << 0) 207 #define AT91_PMC_CSS_PLLB (3 << 0) 208 #define AT91_PMC_PRES (7 << 2) /* Master Clock Prescaler */ 209 #define AT91_PMC_PRES_1 (0 << 2) 210 #define AT91_PMC_PRES_2 (1 << 2) 211 #define AT91_PMC_PRES_4 (2 << 2) 212 #define AT91_PMC_PRES_8 (3 << 2) 213 #define AT91_PMC_PRES_16 (4 << 2) 214 #define AT91_PMC_PRES_32 (5 << 2) 215 #define AT91_PMC_PRES_64 (6 << 2) 216 #define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */ 217 #define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */ 218 #define AT91RM9200_PMC_MDIV_2 (1 << 8) 219 #define AT91RM9200_PMC_MDIV_3 (2 << 8) 220 #define AT91RM9200_PMC_MDIV_4 (3 << 8) 221 #define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9 only] */ 222 #define AT91SAM9_PMC_MDIV_2 (1 << 8) 223 #define AT91SAM9_PMC_MDIV_4 (2 << 8) 224 #define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */ 225 #define AT91SAM9_PMC_MDIV_6 (3 << 8) 226 #define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */ 227 #define AT91_PMC_PDIV_1 (0 << 12) 228 #define AT91_PMC_PDIV_2 (1 << 12) 229 230 #define AT91_PMC_USBS_USB_PLLA (0x0) /* USB Clock Input is PLLA */ 231 #define AT91_PMC_USBS_USB_UPLL (0x1) /* USB Clock Input is UPLL */ 232 #define AT91_PMC_USBS_USB_PLLB (0x1) /* USB Clock Input is PLLB, AT91SAM9N12 only */ 233 #define AT91_PMC_USB_DIV_2 (0x1 << 8) /* USB Clock divided by 2 */ 234 #define AT91_PMC_USBDIV_8 (0x7 << 8) /* USB Clock divided by 8 */ 235 #define AT91_PMC_USBDIV_10 (0x9 << 8) /* USB Clock divided by 10 */ 236 237 #define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */ 238 #define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */ 239 #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ 240 #define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ 241 #define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock */ 242 #define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ 243 #define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ 244 #define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ 245 #define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */ 246 #define AT91_PMC_GCKRDY (1 << 24) 247 248 #define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */ 249 250 /* PLL Charge Pump Current Register (PMC_PLLICPR) */ 251 #define AT91_PMC_ICP_PLLA(x) (((x) & 0x3) << 0) 252 #define AT91_PMC_IPLL_PLLA(x) (((x) & 0x7) << 8) 253 #define AT91_PMC_ICP_PLLU(x) (((x) & 0x3) << 16) 254 #define AT91_PMC_IVCO_PLLU(x) (((x) & 0x3) << 24) 255 256 #endif 257