at91_pmc.h

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2011-01-13     weety      first version
 */

#ifndef AT91_PMC_H
#define AT91_PMC_H

#ifdef __cplusplus
extern "C" {
#endif

#define AT91_PMC_SCER       (AT91_PMC + 0x00)   /* System Clock Enable Register */
#define AT91_PMC_SCDR       (AT91_PMC + 0x04)   /* System Clock Disable Register */

#define AT91_PMC_SCSR       (AT91_PMC + 0x08)   /* System Clock Status Register */
#define     AT91_PMC_PCK        (1 <<  0)       /* Processor Clock */
#define     AT91RM9200_PMC_UDP  (1 <<  1)       /* USB Devcice Port Clock [AT91RM9200 only] */
#define     AT91RM9200_PMC_MCKUDP   (1 <<  2)       /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
#define     AT91CAP9_PMC_DDR    (1 <<  2)       /* DDR Clock [CAP9 revC & some SAM9 only] */
#define     AT91RM9200_PMC_UHP  (1 <<  4)       /* USB Host Port Clock [AT91RM9200 only] */
#define     AT91SAM926x_PMC_UHP (1 <<  6)       /* USB Host Port Clock [AT91SAM926x only] */
#define     AT91CAP9_PMC_UHP    (1 <<  6)       /* USB Host Port Clock [AT91CAP9 only] */
#define     AT91SAM926x_PMC_UDP (1 <<  7)       /* USB Devcice Port Clock [AT91SAM926x only] */
#define     AT91_PMC_PCK0       (1 <<  8)       /* Programmable Clock 0 */
#define     AT91_PMC_PCK1       (1 <<  9)       /* Programmable Clock 1 */
#define     AT91_PMC_PCK2       (1 << 10)       /* Programmable Clock 2 */
#define     AT91_PMC_PCK3       (1 << 11)       /* Programmable Clock 3 */
#define     AT91_PMC_PCK4       (1 << 12)       /* Programmable Clock 4 [AT572D940HF only] */
#define     AT91_PMC_HCK0       (1 << 16)       /* AHB Clock (USB host) [AT91SAM9261 only] */
#define     AT91_PMC_HCK1       (1 << 17)       /* AHB Clock (LCD) [AT91SAM9261 only] */

#define AT91_PMC_PCER       (AT91_PMC + 0x10)   /* Peripheral Clock Enable Register */
#define AT91_PMC_PCDR       (AT91_PMC + 0x14)   /* Peripheral Clock Disable Register */
#define AT91_PMC_PCSR       (AT91_PMC + 0x18)   /* Peripheral Clock Status Register */

#define AT91_CKGR_UCKR      (AT91_PMC + 0x1C)   /* UTMI Clock Register [some SAM9, CAP9] */
#define     AT91_PMC_UPLLEN     (1   << 16)     /* UTMI PLL Enable */
#define     AT91_PMC_UPLLCOUNT  (0xf << 20)     /* UTMI PLL Start-up Time */
#define     AT91_PMC_BIASEN     (1   << 24)     /* UTMI BIAS Enable */
#define     AT91_PMC_BIASCOUNT  (0xf << 28)     /* UTMI BIAS Start-up Time */

#define AT91_CKGR_MOR       (AT91_PMC + 0x20)   /* Main Oscillator Register [not on SAM9RL] */
#define     AT91_PMC_MOSCEN     (1    << 0)     /* Main Oscillator Enable */
#define     AT91_PMC_OSCBYPASS  (1    << 1)     /* Oscillator Bypass [SAM9x, CAP9] */
#define     AT91_PMC_OSCOUNT    (0xff << 8)     /* Main Oscillator Start-up Time */

#define AT91_CKGR_MCFR      (AT91_PMC + 0x24)   /* Main Clock Frequency Register */
#define     AT91_PMC_MAINF      (0xffff <<  0)      /* Main Clock Frequency */
#define     AT91_PMC_MAINRDY    (1  << 16)      /* Main Clock Ready */

#define AT91_CKGR_PLLAR     (AT91_PMC + 0x28)   /* PLL A Register */
#define AT91_CKGR_PLLBR     (AT91_PMC + 0x2c)   /* PLL B Register */
#define     AT91_PMC_DIV        (0xff  <<  0)       /* Divider */
#define     AT91_PMC_PLLCOUNT   (0x3f  <<  8)       /* PLL Counter */
#define     AT91_PMC_OUT        (3     << 14)       /* PLL Clock Frequency Range */
#define     AT91_PMC_MUL        (0x7ff << 16)       /* PLL Multiplier */
#define     AT91_PMC_USBDIV     (3     << 28)       /* USB Divisor (PLLB only) */
#define         AT91_PMC_USBDIV_1       (0 << 28)
#define         AT91_PMC_USBDIV_2       (1 << 28)
#define         AT91_PMC_USBDIV_4       (2 << 28)
#define     AT91_PMC_USB96M     (1     << 28)       /* Divider by 2 Enable (PLLB only) */

#define AT91_PMC_MCKR       (AT91_PMC + 0x30)   /* Master Clock Register */
#define     AT91_PMC_CSS        (3 <<  0)       /* Master Clock Selection */
#define         AT91_PMC_CSS_SLOW       (0 << 0)
#define         AT91_PMC_CSS_MAIN       (1 << 0)
#define         AT91_PMC_CSS_PLLA       (2 << 0)
#define         AT91_PMC_CSS_PLLB       (3 << 0)
#define         AT91_PMC_CSS_UPLL       (3 << 0)    /* [some SAM9 only] */
#define     AT91_PMC_PRES       (7 <<  2)       /* Master Clock Prescaler */
#define         AT91_PMC_PRES_1         (0 << 2)
#define         AT91_PMC_PRES_2         (1 << 2)
#define         AT91_PMC_PRES_4         (2 << 2)
#define         AT91_PMC_PRES_8         (3 << 2)
#define         AT91_PMC_PRES_16        (4 << 2)
#define         AT91_PMC_PRES_32        (5 << 2)
#define         AT91_PMC_PRES_64        (6 << 2)
#define     AT91_PMC_MDIV       (3 <<  8)       /* Master Clock Division */
#define         AT91RM9200_PMC_MDIV_1       (0 << 8)    /* [AT91RM9200 only] */
#define         AT91RM9200_PMC_MDIV_2       (1 << 8)
#define         AT91RM9200_PMC_MDIV_3       (2 << 8)
#define         AT91RM9200_PMC_MDIV_4       (3 << 8)
#define         AT91SAM9_PMC_MDIV_1     (0 << 8)    /* [SAM9,CAP9 only] */
#define         AT91SAM9_PMC_MDIV_2     (1 << 8)
#define         AT91SAM9_PMC_MDIV_4     (2 << 8)
#define         AT91SAM9_PMC_MDIV_6     (3 << 8)    /* [some SAM9 only] */
#define         AT91SAM9_PMC_MDIV_3     (3 << 8)    /* [some SAM9 only] */
#define     AT91_PMC_PDIV       (1 << 12)       /* Processor Clock Division [some SAM9 only] */
#define         AT91_PMC_PDIV_1         (0 << 12)
#define         AT91_PMC_PDIV_2         (1 << 12)
#define     AT91_PMC_PLLADIV2   (1 << 12)       /* PLLA divisor by 2 [some SAM9 only] */
#define         AT91_PMC_PLLADIV2_OFF       (0 << 12)
#define         AT91_PMC_PLLADIV2_ON        (1 << 12)

#define AT91_PMC_USB        (AT91_PMC + 0x38)   /* USB Clock Register [some SAM9 only] */
#define     AT91_PMC_USBS       (0x1 <<  0)     /* USB OHCI Input clock selection */
#define         AT91_PMC_USBS_PLLA      (0 << 0)
#define         AT91_PMC_USBS_UPLL      (1 << 0)
#define     AT91_PMC_OHCIUSBDIV (0xF <<  8)     /* Divider for USB OHCI Clock */

#define AT91_PMC_PCKR(n)    (AT91_PMC + 0x40 + ((n) * 4))   /* Programmable Clock 0-N Registers */
#define     AT91_PMC_CSSMCK     (0x1 <<  8)     /* CSS or Master Clock Selection */
#define         AT91_PMC_CSSMCK_CSS     (0 << 8)
#define         AT91_PMC_CSSMCK_MCK     (1 << 8)

#define AT91_PMC_IER        (AT91_PMC + 0x60)   /* Interrupt Enable Register */
#define AT91_PMC_IDR        (AT91_PMC + 0x64)   /* Interrupt Disable Register */
#define AT91_PMC_SR     (AT91_PMC + 0x68)   /* Status Register */
#define     AT91_PMC_MOSCS      (1 <<  0)       /* MOSCS Flag */
#define     AT91_PMC_LOCKA      (1 <<  1)       /* PLLA Lock */
#define     AT91_PMC_LOCKB      (1 <<  2)       /* PLLB Lock */
#define     AT91_PMC_MCKRDY     (1 <<  3)       /* Master Clock */
#define     AT91_PMC_LOCKU      (1 <<  6)       /* UPLL Lock [some SAM9, AT91CAP9 only] */
#define     AT91_PMC_OSCSEL     (1 <<  7)       /* Slow Clock Oscillator [AT91CAP9 revC only] */
#define     AT91_PMC_PCK0RDY    (1 <<  8)       /* Programmable Clock 0 */
#define     AT91_PMC_PCK1RDY    (1 <<  9)       /* Programmable Clock 1 */
#define     AT91_PMC_PCK2RDY    (1 << 10)       /* Programmable Clock 2 */
#define     AT91_PMC_PCK3RDY    (1 << 11)       /* Programmable Clock 3 */
#define AT91_PMC_IMR        (AT91_PMC + 0x6c)   /* Interrupt Mask Register */

#define AT91_PMC_PROT       (AT91_PMC + 0xe4)   /* Protect Register [AT91CAP9 revC only] */
#define     AT91_PMC_PROTKEY    0x504d4301      /* Activation Code */

#define AT91_PMC_VER        (AT91_PMC + 0xfc)   /* PMC Module Version [AT91CAP9 only] */

#ifdef __cplusplus
}
#endif

#endif