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/*
* raspberrypi.h
*
* Copyright (c) 2013 Alan Cudmore.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.com/license/LICENSE
*
*/
#ifndef LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H
#define LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H
#include <stdint.h>
#include <bsp/utility.h>
/**
* @defgroup raspberrypi_reg Register Definitions
*
* @ingroup raspberrypi
*
* @brief Register definitions.
*
* @{
*/
/**
* @name Register Macros
*
* @{
*/
#define BCM2835_REG(x) (*(volatile uint32_t *)(x))
#define BCM2835_BIT(n) (1 << (n))
/** @} */
/**
* @name Internal ARM Timer Registers
*
* @{
*/
#define BCM2835_CLOCK_FREQ 250000000
#define BCM2835_TIMER_BASE (0x2000B400)
#define BCM2835_TIMER_LOD (BCM2835_TIMER_BASE+0x00)
#define BCM2835_TIMER_VAL (BCM2835_TIMER_BASE+0x04)
#define BCM2835_TIMER_CTL (BCM2835_TIMER_BASE+0x08)
#define BCM2835_TIMER_CLI (BCM2835_TIMER_BASE+0x0C)
#define BCM2835_TIMER_RIS (BCM2835_TIMER_BASE+0x10)
#define BCM2835_TIMER_MIS (BCM2835_TIMER_BASE+0x14)
#define BCM2835_TIMER_RLD (BCM2835_TIMER_BASE+0x18)
#define BCM2835_TIMER_DIV (BCM2835_TIMER_BASE+0x1C)
#define BCM2835_TIMER_CNT (BCM2835_TIMER_BASE+0x20)
#define BCM2835_TIMER_PRESCALE 0xF9
/** @} */
/**
* @name GPIO Registers
*
* @{
*/
#define BCM2835_GPIO_REGS_BASE (0x20200000)
#define BCM2835_GPIO_GPFSEL1 (BCM2835_GPIO_REGS_BASE+0x04)
#define BCM2835_GPIO_GPSET0 (BCM2835_GPIO_REGS_BASE+0x1C)
#define BCM2835_GPIO_GPCLR0 (BCM2835_GPIO_REGS_BASE+0x28)
#define BCM2835_GPIO_GPPUD (BCM2835_GPIO_REGS_BASE+0x94)
#define BCM2835_GPIO_GPPUDCLK0 (BCM2835_GPIO_REGS_BASE+0x98)
/** @} */
/**
* @name AUX Registers
*
* @{
*/
#define BCM2835_AUX_BASE (0x20215000)
#define AUX_ENABLES (BCM2835_AUX_BASE+0x04)
#define AUX_MU_IO_REG (BCM2835_AUX_BASE+0x40)
#define AUX_MU_IER_REG (BCM2835_AUX_BASE+0x44)
#define AUX_MU_IIR_REG (BCM2835_AUX_BASE+0x48)
#define AUX_MU_LCR_REG (BCM2835_AUX_BASE+0x4C)
#define AUX_MU_MCR_REG (BCM2835_AUX_BASE+0x50)
#define AUX_MU_LSR_REG (BCM2835_AUX_BASE+0x54)
#define AUX_MU_MSR_REG (BCM2835_AUX_BASE+0x58)
#define AUX_MU_SCRATCH (BCM2835_AUX_BASE+0x5C)
#define AUX_MU_CNTL_REG (BCM2835_AUX_BASE+0x60)
#define AUX_MU_STAT_REG (BCM2835_AUX_BASE+0x64)
#define AUX_MU_BAUD_REG (BCM2835_AUX_BASE+0x68)
/** @} */
/**
* @name UART 0 (PL011) Registers
*
* @{
*/
#define BCM2835_UART0_BASE (0x20201000)
#define BCM2835_UART0_DR (BCM2835_UART0_BASE+0x00)
#define BCM2835_UART0_RSRECR (BCM2835_UART0_BASE+0x04)
#define BCM2835_UART0_FR (BCM2835_UART0_BASE+0x18)
#define BCM2835_UART0_ILPR (BCM2835_UART0_BASE+0x20)
#define BCM2835_UART0_IBRD (BCM2835_UART0_BASE+0x24)
#define BCM2835_UART0_FBRD (BCM2835_UART0_BASE+0x28)
#define BCM2835_UART0_LCRH (BCM2835_UART0_BASE+0x2C)
#define BCM2835_UART0_CR (BCM2835_UART0_BASE+0x30)
#define BCM2835_UART0_IFLS (BCM2835_UART0_BASE+0x34)
#define BCM2835_UART0_IMSC (BCM2835_UART0_BASE+0x38)
#define BCM2835_UART0_RIS (BCM2835_UART0_BASE+0x3C)
#define BCM2835_UART0_MIS (BCM2835_UART0_BASE+0x40)
#define BCM2835_UART0_ICR (BCM2835_UART0_BASE+0x44)
#define BCM2835_UART0_DMACR (BCM2835_UART0_BASE+0x48)
#define BCM2835_UART0_ITCR (BCM2835_UART0_BASE+0x80)
#define BCM2835_UART0_ITIP (BCM2835_UART0_BASE+0x84)
#define BCM2835_UART0_ITOP (BCM2835_UART0_BASE+0x88)
#define BCM2835_UART0_TDR (BCM2835_UART0_BASE+0x8C)
#define BCM2835_UART0_MIS_RX 0x10
#define BCM2835_UART0_MIS_TX 0x20
#define BCM2835_UART0_IMSC_RX 0x10
#define BCM2835_UART0_IMSC_TX 0x20
#define BCM2835_UART0_FR_RXFE 0x10
#define BCM2835_UART0_FR_TXFF 0x20
#define BCM2835_UART0_ICR_RX 0x10
#define BCM2835_UART0_ICR_TX 0x20
/** @} */
/**
* @name IRQ Registers
*
* @{
*/
#define BCM2835_BASE_INTC (0x2000B200)
#define BCM2835_IRQ_BASIC (BCM2835_BASE_INTC + 0x00)
#define BCM2835_IRQ_PENDING1 (BCM2835_BASE_INTC + 0x04)
#define BCM2835_IRQ_PENDING2 (BCM2835_BASE_INTC + 0x08)
#define BCM2835_IRQ_FIQ_CTRL (BCM2835_BASE_INTC + 0x0C)
#define BCM2835_IRQ_ENABLE1 (BCM2835_BASE_INTC + 0x10)
#define BCM2835_IRQ_ENABLE2 (BCM2835_BASE_INTC + 0x14)
#define BCM2835_IRQ_ENABLE_BASIC (BCM2835_BASE_INTC + 0x18)
#define BCM2835_IRQ_DISABLE1 (BCM2835_BASE_INTC + 0x1C)
#define BCM2835_IRQ_DISABLE2 (BCM2835_BASE_INTC + 0x20)
#define BCM2835_IRQ_DISABLE_BASIC (BCM2835_BASE_INTC + 0x24)
/** @} */
/**
* @name GPU Timer Registers
*
* @{
*/
/**
* NOTE: The GPU uses Compare registers 0 and 2 for
* it's own RTOS. 1 and 3 are available for use in
* RTEMS.
*/
#define BCM2835_GPU_TIMER_BASE (0x20003000)
#define BCM2835_GPU_TIMER_CS (BCM2835_TIMER_BASE+0x00)
#define BCM2835_GPU_TIMER_CLO (BCM2835_TIMER_BASE+0x04)
#define BCM2835_GPU_TIMER_CHI (BCM2835_TIMER_BASE+0x08)
#define BCM2835_GPU_TIMER_C0 (BCM2835_TIMER_BASE+0x0C)
#define BCM2835_GPU_TIMER_C1 (BCM2835_TIMER_BASE+0x10)
#define BCM2835_GPU_TIMER_C2 (BCM2835_TIMER_BASE+0x14)
#define BCM2835_GPU_TIMER_C3 (BCM2835_TIMER_BASE+0x18)
/** @} */
/** @} */
#endif /* LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H */
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