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Diffstat (limited to 'include/bsp/raspberrypi.h')
| -rw-r--r-- | include/bsp/raspberrypi.h | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/include/bsp/raspberrypi.h b/include/bsp/raspberrypi.h new file mode 100644 index 0000000000..2a4d772dba --- /dev/null +++ b/include/bsp/raspberrypi.h @@ -0,0 +1,292 @@ +/** + * @file raspberrypi.h + * + * @ingroup raspberrypi_reg + * + * @brief Register definitions. + */ + +/* + * Copyright (c) 2014-2015 Andre Marques <andre.lousa.marques at gmail.com> + * 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.org/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 arm_raspberrypi + * + * @brief Register Definitions + * + * @{ + */ + +/** + * @name Register Macros + * + * @{ + */ + +#define BCM2835_REG(x) (*(volatile uint32_t *)(x)) +#define BCM2835_BIT(n) (1 << (n)) + +/** @} */ + +/** + * @name Peripheral Base Register Address + * + * @{ + */ + +#if (BSP_IS_RPI2 == 1) + #define RPI_PERIPHERAL_BASE 0x3F000000 +#else + #define RPI_PERIPHERAL_BASE 0x20000000 +#endif + +#define RPI_PERIPHERAL_SIZE 0x01000000 + +/** + * @name Internal ARM Timer Registers + * + * @{ + */ + +#define BCM2835_CLOCK_FREQ 250000000 + +#define BCM2835_TIMER_BASE (RPI_PERIPHERAL_BASE + 0xB400) + +#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 (RPI_PERIPHERAL_BASE + 0x200000) + +#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_GPLEV0 (BCM2835_GPIO_REGS_BASE + 0x34) +#define BCM2835_GPIO_GPEDS0 (BCM2835_GPIO_REGS_BASE + 0x40) +#define BCM2835_GPIO_GPREN0 (BCM2835_GPIO_REGS_BASE + 0x4C) +#define BCM2835_GPIO_GPFEN0 (BCM2835_GPIO_REGS_BASE + 0x58) +#define BCM2835_GPIO_GPHEN0 (BCM2835_GPIO_REGS_BASE + 0x64) +#define BCM2835_GPIO_GPLEN0 (BCM2835_GPIO_REGS_BASE + 0x70) +#define BCM2835_GPIO_GPAREN0 (BCM2835_GPIO_REGS_BASE + 0x7C) +#define BCM2835_GPIO_GPAFEN0 (BCM2835_GPIO_REGS_BASE + 0x88) +#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 (RPI_PERIPHERAL_BASE + 0x215000) + +#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 (RPI_PERIPHERAL_BASE + 0x201000) + +#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 I2C (BSC) Registers + * + * @{ + */ + +#define BCM2835_I2C_BASE (RPI_PERIPHERAL_BASE + 0x804000) + +#define BCM2835_I2C_C (BCM2835_I2C_BASE + 0x00) +#define BCM2835_I2C_S (BCM2835_I2C_BASE + 0x04) +#define BCM2835_I2C_DLEN (BCM2835_I2C_BASE + 0x08) +#define BCM2835_I2C_A (BCM2835_I2C_BASE + 0x0C) +#define BCM2835_I2C_FIFO (BCM2835_I2C_BASE + 0x10) +#define BCM2835_I2C_DIV (BCM2835_I2C_BASE + 0x14) +#define BCM2835_I2C_DEL (BCM2835_I2C_BASE + 0x18) +#define BCM2835_I2C_CLKT (BCM2835_I2C_BASE + 0x1C) + +/** @} */ + +/** + * @name SPI Registers + * + * @{ + */ + +#define BCM2835_SPI_BASE (RPI_PERIPHERAL_BASE + 0x204000) + +#define BCM2835_SPI_CS (BCM2835_SPI_BASE + 0x00) +#define BCM2835_SPI_FIFO (BCM2835_SPI_BASE + 0x04) +#define BCM2835_SPI_CLK (BCM2835_SPI_BASE + 0x08) +#define BCM2835_SPI_DLEN (BCM2835_SPI_BASE + 0x0C) +#define BCM2835_SPI_LTOH (BCM2835_SPI_BASE + 0x10) +#define BCM2835_SPI_DC (BCM2835_SPI_BASE + 0x14) + +/** @} */ + +/** + * @name I2C/SPI slave BSC Registers + * + * @{ + */ + +#define BCM2835_I2C_SPI_BASE (RPI_PERIPHERAL_BASE + 0x214000) + +#define BCM2835_I2C_SPI_DR (BCM2835_I2C_SPI_BASE + 0x00) +#define BCM2835_I2C_SPI_RSR (BCM2835_I2C_SPI_BASE + 0x04) +#define BCM2835_I2C_SPI_SLV (BCM2835_I2C_SPI_BASE + 0x08) +#define BCM2835_I2C_SPI_CR (BCM2835_I2C_SPI_BASE + 0x0C) +#define BCM2835_I2C_SPI_FR (BCM2835_I2C_SPI_BASE + 0x10) +#define BCM2835_I2C_SPI_IFLS (BCM2835_I2C_SPI_BASE + 0x14) +#define BCM2835_I2C_SPI_IMSC (BCM2835_I2C_SPI_BASE + 0x18) +#define BCM2835_I2C_SPI_RIS (BCM2835_I2C_SPI_BASE + 0x1C) +#define BCM2835_I2C_SPI_MIS (BCM2835_I2C_SPI_BASE + 0x20) +#define BCM2835_I2C_SPI_ICR (BCM2835_I2C_SPI_BASE + 0x24) +#define BCM2835_I2C_SPI_DMACR (BCM2835_I2C_SPI_BASE + 0x28) +#define BCM2835_I2C_SPI_TDR (BCM2835_I2C_SPI_BASE + 0x2C) +#define BCM2835_I2C_SPI_GPUSTAT (BCM2835_I2C_SPI_BASE + 0x30) +#define BCM2835_I2C_SPI_HCTRL (BCM2835_I2C_SPI_BASE + 0x34) + +/** @} */ + +/** + * @name IRQ Registers + * + * @{ + */ + +#define BCM2835_BASE_INTC (RPI_PERIPHERAL_BASE + 0xB200) + +#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 (RPI_PERIPHERAL_BASE + 0x3000) + +#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) + +/** @} */ + +/** + * @name EMMC Registers + * + * @{ + */ + +/** + * NOTE: Since the SD controller follows the SDHCI standard, + * the rtems-libbsd tree already provides the remaining registers. + */ + +#define BCM2835_EMMC_BASE (RPI_PERIPHERAL_BASE + 0x300000) + +/** @} */ + +/** @} */ + +#endif /* LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H */ |