zephyr/arch/arm/soc/atmel_sam3/soc.h

248 lines
9.8 KiB
C

/*
* Copyright (c) 2016 Intel Corporation.
* Copyright (c) 2013-2015 Wind River Systems, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file SoC configuration macros for the Atmel SAM3 family processors.
*/
#ifndef _ATMEL_SAM3_SOC_H_
#define _ATMEL_SAM3_SOC_H_
/* IRQ numbers (from section 9.1, Peripheral Identifiers). */
#define IRQ_SUPC 0 /* Supply Controller */
#define IRQ_RSTC 1 /* Reset Controller */
#define IRQ_RTC 2 /* Real-time Clock */
#define IRQ_RTT 3 /* Real-time Timer */
#define IRQ_WDG 4 /* Watchdog Timer */
#define IRQ_PMC 5 /* Power Management Controller */
#define IRQ_EEFC0 6 /* Enhanced Embedded Flash Controller 0 */
#define IRQ_EEFC1 7 /* Enhanced Embedded Flash Controller 1 */
#define IRQ_UART 8 /* UART */
#define IRQ_PIOA 11 /* Parallel IO Controller A */
#define IRQ_PIOB 12 /* Parallel IO Controller B */
#define IRQ_PIOC 13 /* Parallel IO Controller C */
#define IRQ_PIOD 14 /* Parallel IO Controller D */
#define IRQ_PIOE 15 /* Parallel IO Controller E */
#define IRQ_PIOF 16 /* Parallel IO Controller F */
#define IRQ_USART0 17 /* USART #0 */
#define IRQ_USART1 18 /* USART #1 */
#define IRQ_USART2 19 /* USART #2 */
#define IRQ_USART3 20 /* USART #3 */
#define IRQ_HSMCI 21 /* High Speed Multimedia Card Interface */
#define IRQ_TWI0 22 /* Two-wire Interface #0 */
#define IRQ_TWI1 23 /* Two-wire Interface #1 */
#define IRQ_SPI0 24 /* SPI #0 */
#define IRQ_SPI1 25 /* SPI #1 */
#define IRQ_SSC 26 /* Synchronous Serial Controller */
#define IRQ_TC0 27 /* Timer Counter Channel #0 */
#define IRQ_TC1 28 /* Timer Counter Channel #1 */
#define IRQ_TC2 29 /* Timer Counter Channel #2 */
#define IRQ_TC3 30 /* Timer Counter Channel #3 */
#define IRQ_TC4 31 /* Timer Counter Channel #4 */
#define IRQ_TC5 32 /* Timer Counter Channel #5 */
#define IRQ_TC6 33 /* Timer Counter Channel #6 */
#define IRQ_TC7 34 /* Timer Counter Channel #7 */
#define IRQ_TC8 35 /* Timer Counter Channel #8 */
#define IRQ_PWM 36 /* PWM Controller */
#define IRQ_ADC 37 /* ADC Controller */
#define IRQ_DACC 38 /* DAC Controller */
#define IRQ_DMAC 39 /* DMA Controller */
#define IRQ_UOTGHS 40 /* USB OTG High Speed */
#define IRQ_TRNG 41 /* True Random Number Generator */
#define IRQ_EMAC 42 /* Ehternet MAC */
#define IRQ_CAN0 43 /* CAN Controller #0 */
#define IRQ_CAN1 44 /* CAN Controller #1 */
/* PID: Peripheral IDs (from section 9.1, Peripheral Identifiers).
* PMC uses PIDs to enable clock for peripherals.
*/
#define PID_RTC 2 /* Real-time Clock */
#define PID_RTT 3 /* Real-time Timer */
#define PID_WDG 4 /* Watchdog Timer */
#define PID_PMC 5 /* Power Management Controller */
#define PID_EEFC0 6 /* Enhanced Embedded Flash Controller 0 */
#define PID_EEFC1 7 /* Enhanced Embedded Flash Controller 1 */
#define PID_UART 8 /* UART */
#define PID_PIOA 11 /* Parallel IO Controller A */
#define PID_PIOB 12 /* Parallel IO Controller B */
#define PID_PIOC 13 /* Parallel IO Controller C */
#define PID_PIOD 14 /* Parallel IO Controller D */
#define PID_PIOE 15 /* Parallel IO Controller E */
#define PID_PIOF 16 /* Parallel IO Controller F */
#define PID_USART0 17 /* USART #0 */
#define PID_USART1 18 /* USART #1 */
#define PID_USART2 19 /* USART #2 */
#define PID_USART3 20 /* USART #3 */
#define PID_HSMCI 21 /* High Speed Multimedia Card Interface */
#define PID_TWI0 22 /* Two-wire Interface #0 */
#define PID_TWI1 23 /* Two-wire Interface #1 */
#define PID_SPI0 24 /* SPI #0 */
#define PID_SPI1 25 /* SPI #1 */
#define PID_SSC 26 /* Synchronous Serial Controller */
#define PID_TC0 27 /* Timer Counter Channel #0 */
#define PID_TC1 28 /* Timer Counter Channel #1 */
#define PID_TC2 29 /* Timer Counter Channel #2 */
#define PID_TC3 30 /* Timer Counter Channel #3 */
#define PID_TC4 31 /* Timer Counter Channel #4 */
#define PID_TC5 32 /* Timer Counter Channel #5 */
#define PID_TC6 33 /* Timer Counter Channel #6 */
#define PID_TC7 34 /* Timer Counter Channel #7 */
#define PID_TC8 35 /* Timer Counter Channel #8 */
#define PID_PWM 36 /* PWM Controller */
#define PID_ADC 37 /* ADC Controller */
#define PID_DACC 38 /* DAC Controller */
#define PID_DMAC 39 /* DMA Controller */
#define PID_UOTGHS 40 /* USB OTG High Speed */
#define PID_TRNG 41 /* True Random Number Generator */
#define PID_EMAC 42 /* Ehternet MAC */
#define PID_CAN0 43 /* CAN Controller #0 */
#define PID_CAN1 44 /* CAN Controller #1 */
/* Power Manager Controller */
#define PMC_ADDR 0x400E0600
#define PMC_CKGR_UCKR_UPLLEN (1 << 16)
#define PMC_CKGR_UCKR_UPLLCOUNT (3 << 20)
#define PMC_CKGR_MOR_KEY (0x37 << 16)
#define PMC_CKGR_MOR_MOSCXTST (0xFF << 8)
#define PMC_CKGR_MOR_MOSCXTEN (1 << 0)
#define PMC_CKGR_MOR_MOSCRCEN (1 << 3)
#define PMC_CKGR_MOR_MOSCRCF_4MHZ (0 << 4)
#define PMC_CKGR_MOR_MOSCRCF_8MHZ (1 << 4)
#define PMC_CKGR_MOR_MOSCRCF_12MHZ (2 << 4)
#define PMC_CKGR_MOR_MOSCSEL (1 << 24)
#define PMC_CKGR_PLLAR_PLLACOUNT (0x3F << 8)
#define PMC_CKGR_PLLAR_ONE (1 << 29)
/*
* PLL clock = Main * (MULA + 1) / DIVA
*
* By default, MULA == 6, DIVA == 1.
* With main crystal running at 12 MHz,
* PLL = 12 * (6 + 1) / 1 = 84 MHz
*
* With processor clock prescaler at 1,
* the processor clock is at 84 MHz.
*/
#define PMC_CKGR_PLLAR_MULA \
((CONFIG_SOC_ATMEL_SAM3_PLLA_MULA) << 16)
#define PMC_CKGR_PLLAR_DIVA \
((CONFIG_SOC_ATMEL_SAM3_PLLA_DIVA) << 0)
#define PMC_MCKR_CSS_MASK (0x3)
#define PMC_MCKR_CSS_SLOW (0 << 0)
#define PMC_MCKR_CSS_MAIN (1 << 0)
#define PMC_MCKR_CSS_PLLA (2 << 0)
#define PMC_MCKR_CSS_UPLL (3 << 0)
#define PMC_MCKR_PRES_MASK (0x70)
#define PMC_MCKR_PRES_CLK (0 << 4)
#define PMC_MCKR_PRES_DIV2 (1 << 4)
#define PMC_MCKR_PRES_DIV4 (2 << 4)
#define PMC_MCKR_PRES_DIV8 (3 << 4)
#define PMC_MCKR_PRES_DIV16 (4 << 4)
#define PMC_MCKR_PRES_DIV32 (5 << 4)
#define PMC_MCKR_PRES_DIV64 (6 << 4)
#define PMC_MCKR_PRES_DIV3 (7 << 4)
#define PMC_MCKR_PLLADIV2 (1 << 12)
#define PMC_MCKR_UPLLDIV2 (1 << 13)
#define PMC_INT_MOSCXTS (1 << 0)
#define PMC_INT_LOCKA (1 << 1)
#define PMC_INT_MCKRDY (1 << 3)
#define PMC_INT_LOCKU (1 << 6)
#define PMC_INT_OSCSELS (1 << 7)
#define PMC_INT_PCKRDY0 (1 << 8)
#define PMC_INT_PCKRDY1 (1 << 9)
#define PMC_INT_PCKRDY2 (1 << 10)
#define PMC_INT_MOSCSELS (1 << 16)
#define PMC_INT_MOSCRCS (1 << 17)
#define PMC_INT_CFDEV (1 << 18)
#define PMC_INT_CFDS (1 << 19)
#define PMC_INT_FOS (1 << 20)
/* UART */
#define UART_ADDR 0x400E0800
/* EEFC */
#define EEFC_BANK0_ADDR 0x400E0A00
#define EEFC_BANK1_ADDR 0x400E0C00
/* Peripheral DMA Controller (PDC) */
#define PDC_PTCR_RXTEN (1 << 0)
#define PDC_PTCR_RXTDIS (1 << 1)
#define PDC_PTCR_TXTEN (1 << 8)
#define PDC_PTCR_TXTDIS (1 << 9)
/* PIO Controllers */
#define PIOA_ADDR 0x400E0E00
#define PIOB_ADDR 0x400E1000
#define PIOC_ADDR 0x400E1200
#define PIOD_ADDR 0x400E1400
#define PIOE_ADDR 0x400E1600
#define PIOF_ADDR 0x400E1800
/* Supply Controller (SUPC) */
#define SUPC_ADDR 0x400E1A10
#define SUPC_CR_KEY (0xA5 << 24)
#define SUPC_CR_XTALSEL (1 << 3)
#define SUPC_SR_OSCSEL (1 << 7)
/* Two-wire Interface (TWI) */
#define TWI0_ADDR 0x4008C000
#define TWI1_ADDR 0x40090000
#ifndef _ASMLANGUAGE
#include <device.h>
#include <misc/util.h>
#include <drivers/rand32.h>
#include "soc_registers.h"
/* uart configuration settings */
#define UART_IRQ_FLAGS 0
/* EEFC Register struct */
#define __EEFC0 ((volatile struct __eefc *)EEFC_BANK0_ADDR)
#define __EEFC1 ((volatile struct __eefc *)EEFC_BANK1_ADDR)
/* PMC Register struct */
#define __PMC ((volatile struct __pmc *)PMC_ADDR)
/* PIO Registers struct */
#define __PIOA ((volatile struct __pio *)PIOA_ADDR)
#define __PIOB ((volatile struct __pio *)PIOB_ADDR)
#define __PIOC ((volatile struct __pio *)PIOC_ADDR)
#define __PIOD ((volatile struct __pio *)PIOD_ADDR)
#define __PIOE ((volatile struct __pio *)PIOE_ADDR)
#define __PIOF ((volatile struct __pio *)PIOF_ADDR)
/* Supply Controller Register struct */
#define __SUPC ((volatile struct __supc *)SUPC_ADDR)
/* Two-wire Interface (TWI) */
#define __TWI0 ((volatile struct __twi *)TWI0_ADDR)
#define __TWI1 ((volatile struct __twi *)TWI1_ADDR)
#endif /* !_ASMLANGUAGE */
#endif /* _ATMEL_SAM3_SOC_H_ */