1 /* 2 * arch/arm/mach-at91/include/mach/at91_pmc.h 3 * 4 * Copyright (C) 2005 Ivan Kokshaysky 5 * Copyright (C) SAN People 6 * 7 * Power Management Controller (PMC) - System peripherals registers. 8 * Based on AT91RM9200 datasheet revision E. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 */ 15 16 #ifndef AT91_PMC_H 17 #define AT91_PMC_H 18 19 #define AT91_PMC_SCER (AT91_PMC + 0x00) /* System Clock Enable Register */ 20 #define AT91_PMC_SCDR (AT91_PMC + 0x04) /* System Clock Disable Register */ 21 22 #define AT91_PMC_SCSR (AT91_PMC + 0x08) /* System Clock Status Register */ 23 #define AT91_PMC_PCK (1 << 0) /* Processor Clock */ 24 #define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */ 25 #define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */ 26 #define AT91CAP9_PMC_DDR (1 << 2) /* DDR Clock [CAP9 revC & some SAM9 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 AT91CAP9_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91CAP9 only] */ 30 #define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */ 31 #define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */ 32 #define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */ 33 #define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */ 34 #define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */ 35 #define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */ 36 #define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */ 37 #define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */ 38 39 #define AT91_PMC_PCER (AT91_PMC + 0x10) /* Peripheral Clock Enable Register */ 40 #define AT91_PMC_PCDR (AT91_PMC + 0x14) /* Peripheral Clock Disable Register */ 41 #define AT91_PMC_PCSR (AT91_PMC + 0x18) /* Peripheral Clock Status Register */ 42 43 #define AT91_CKGR_UCKR (AT91_PMC + 0x1C) /* UTMI Clock Register [some SAM9, CAP9] */ 44 #define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */ 45 #define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */ 46 #define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */ 47 #define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */ 48 49 #define AT91_CKGR_MOR (AT91_PMC + 0x20) /* Main Oscillator Register [not on SAM9RL] */ 50 #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ 51 #define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass [SAM9x, CAP9] */ 52 #define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */ 53 54 #define AT91_CKGR_MCFR (AT91_PMC + 0x24) /* Main Clock Frequency Register */ 55 #define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */ 56 #define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */ 57 58 #define AT91_CKGR_PLLAR (AT91_PMC + 0x28) /* PLL A Register */ 59 #define AT91_CKGR_PLLBR (AT91_PMC + 0x2c) /* PLL B Register */ 60 #define AT91_PMC_DIV (0xff << 0) /* Divider */ 61 #define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */ 62 #define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */ 63 #define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */ 64 #define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */ 65 #define AT91_PMC_USBDIV_1 (0 << 28) 66 #define AT91_PMC_USBDIV_2 (1 << 28) 67 #define AT91_PMC_USBDIV_4 (2 << 28) 68 #define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ 69 70 #define AT91_PMC_MCKR (AT91_PMC + 0x30) /* Master Clock Register */ 71 #define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ 72 #define AT91_PMC_CSS_SLOW (0 << 0) 73 #define AT91_PMC_CSS_MAIN (1 << 0) 74 #define AT91_PMC_CSS_PLLA (2 << 0) 75 #define AT91_PMC_CSS_PLLB (3 << 0) 76 #define AT91_PMC_CSS_UPLL (3 << 0) /* [some SAM9 only] */ 77 #define AT91_PMC_PRES (7 << 2) /* Master Clock Prescaler */ 78 #define AT91_PMC_PRES_1 (0 << 2) 79 #define AT91_PMC_PRES_2 (1 << 2) 80 #define AT91_PMC_PRES_4 (2 << 2) 81 #define AT91_PMC_PRES_8 (3 << 2) 82 #define AT91_PMC_PRES_16 (4 << 2) 83 #define AT91_PMC_PRES_32 (5 << 2) 84 #define AT91_PMC_PRES_64 (6 << 2) 85 #define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */ 86 #define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */ 87 #define AT91RM9200_PMC_MDIV_2 (1 << 8) 88 #define AT91RM9200_PMC_MDIV_3 (2 << 8) 89 #define AT91RM9200_PMC_MDIV_4 (3 << 8) 90 #define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9,CAP9 only] */ 91 #define AT91SAM9_PMC_MDIV_2 (1 << 8) 92 #define AT91SAM9_PMC_MDIV_4 (2 << 8) 93 #define AT91SAM9_PMC_MDIV_6 (3 << 8) /* [some SAM9 only] */ 94 #define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */ 95 #define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */ 96 #define AT91_PMC_PDIV_1 (0 << 12) 97 #define AT91_PMC_PDIV_2 (1 << 12) 98 #define AT91_PMC_PLLADIV2 (1 << 12) /* PLLA divisor by 2 [some SAM9 only] */ 99 #define AT91_PMC_PLLADIV2_OFF (0 << 12) 100 #define AT91_PMC_PLLADIV2_ON (1 << 12) 101 102 #define AT91_PMC_USB (AT91_PMC + 0x38) /* USB Clock Register [some SAM9 only] */ 103 #define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */ 104 #define AT91_PMC_USBS_PLLA (0 << 0) 105 #define AT91_PMC_USBS_UPLL (1 << 0) 106 #define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */ 107 108 #define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */ 109 #define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */ 110 #define AT91_PMC_CSSMCK_CSS (0 << 8) 111 #define AT91_PMC_CSSMCK_MCK (1 << 8) 112 113 #define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */ 114 #define AT91_PMC_IDR (AT91_PMC + 0x64) /* Interrupt Disable Register */ 115 #define AT91_PMC_SR (AT91_PMC + 0x68) /* Status Register */ 116 #define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */ 117 #define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */ 118 #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ 119 #define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ 120 #define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9, AT91CAP9 only] */ 121 #define AT91_PMC_OSCSEL (1 << 7) /* Slow Clock Oscillator [AT91CAP9 revC only] */ 122 #define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ 123 #define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ 124 #define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ 125 #define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */ 126 #define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */ 127 128 #define AT91_PMC_PROT (AT91_PMC + 0xe4) /* Protect Register [AT91CAP9 revC only] */ 129 #define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */ 130 131 #define AT91_PMC_VER (AT91_PMC + 0xfc) /* PMC Module Version [AT91CAP9 only] */ 132 133 #endif 134