html/doxygen/raspberrypi_8h_source.html

 /*
  *  Copyright (c) 2014-2015 Andre Marques <andre.lousa.marques at gmail.com>
  *  Copyright (c) 2013 Alan Cudmore.
  *  Copyright (c) 2015 Yang Qiao
  *
  *  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 <bspopts.h>
 #include <stdint.h>
 #include <bsp/utility.h>

 #define BCM2835_REG(x)           (*(volatile uint32_t *)(x))
 #define BCM2835_BIT(n)           (1 << (n))

 #if (BSP_IS_RPI2 == 1)
   #define RPI_PERIPHERAL_BASE    0x3F000000
   #define BASE_OFFSET            0X3F000000
 #else
   #define RPI_PERIPHERAL_BASE    0x20000000
   #define BASE_OFFSET            0X5E000000
 #endif

 #define RPI_PERIPHERAL_SIZE      0x01000000

 #define BUS_TO_PHY(x)            ((x) - BASE_OFFSET)

 #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

 #define BCM2835_PM_PASSWD_MAGIC  0x5a000000

 #define BCM2835_PM_BASE          (RPI_PERIPHERAL_BASE + 0x100000)

 #define BCM2835_PM_GNRIC         (BCM2835_PM_BASE + 0x00)
 #define BCM2835_PM_GNRIC_POWUP   0x00000001
 #define BCM2835_PM_GNRIC_POWOK   0x00000002
 #define BCM2835_PM_GNRIC_ISPOW   0x00000004
 #define BCM2835_PM_GNRIC_MEMREP  0x00000008
 #define BCM2835_PM_GNRIC_MRDONE  0x00000010
 #define BCM2835_PM_GNRIC_ISFUNC  0x00000020
 #define BCM2835_PM_GNRIC_RSTN    0x00000fc0
 #define BCM2835_PM_GNRIC_ENAB    0x00001000
 #define BCM2835_PM_GNRIC_CFG     0x007f0000

 #define BCM2835_PM_AUDIO         (BCM2835_PM_BASE + 0x04)
 #define BCM2835_PM_AUDIO_APSM    0x000fffff
 #define BCM2835_PM_AUDIO_CTRLEN  0x00100000
 #define BCM2835_PM_AUDIO_RSTN    0x00200000

 #define BCM2835_PM_STATUS        (BCM2835_PM_BASE + 0x18)

 #define BCM2835_PM_RSTC          (BCM2835_PM_BASE + 0x1c)
 #define BCM2835_PM_RSTC_DRCFG    0x00000003
 #define BCM2835_PM_RSTC_WRCFG    0x00000030
 #define BCM2835_PM_RSTC_WRCFG_FULL   0x00000020
 #define BCM2835_PM_RSTC_SRCFG    0x00000300
 #define BCM2835_PM_RSTC_QRCFG    0x00003000
 #define BCM2835_PM_RSTC_FRCFG    0x00030000
 #define BCM2835_PM_RSTC_HRCFG    0x00300000

 #define BCM2835_PM_RSTS          (BCM2835_PM_BASE + 0x20)
 #define BCM2835_PM_RSTS_HADDRQ   0x00000001
 #define BCM2835_PM_RSTS_HADDRF   0x00000002
 #define BCM2835_PM_RSTS_HADDRH   0x00000004
 #define BCM2835_PM_RSTS_HADWRQ   0x00000010
 #define BCM2835_PM_RSTS_HADWRF   0x00000020
 #define BCM2835_PM_RSTS_HADWRH   0x00000040
 #define BCM2835_PM_RSTS_HADSRQ   0x00000100
 #define BCM2835_PM_RSTS_HADSRF   0x00000200
 #define BCM2835_PM_RSTS_HADSRH   0x00000400
 #define BCM2835_PM_RSTS_HADPOR   0x00001000

 #define BCM2835_PM_WDOG          (BCM2835_PM_BASE + 0x24)

 #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)

 #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)

 #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)

 #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)

 #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)

 #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)

 #define BCM2835_GPU_TIMER_BASE    (RPI_PERIPHERAL_BASE + 0x3000)

 #define BCM2835_GPU_TIMER_CS      (BCM2835_GPU_TIMER_BASE + 0x00)
 #define BCM2835_GPU_TIMER_CS_M0   0x00000001
 #define BCM2835_GPU_TIMER_CS_M1   0x00000002
 #define BCM2835_GPU_TIMER_CS_M2   0x00000004
 #define BCM2835_GPU_TIMER_CS_M3   0x00000008
 #define BCM2835_GPU_TIMER_CLO     (BCM2835_GPU_TIMER_BASE + 0x04)
 #define BCM2835_GPU_TIMER_CHI     (BCM2835_GPU_TIMER_BASE + 0x08)
 #define BCM2835_GPU_TIMER_C0      (BCM2835_GPU_TIMER_BASE + 0x0C)
 #define BCM2835_GPU_TIMER_C1      (BCM2835_GPU_TIMER_BASE + 0x10)
 #define BCM2835_GPU_TIMER_C2      (BCM2835_GPU_TIMER_BASE + 0x14)
 #define BCM2835_GPU_TIMER_C3      (BCM2835_GPU_TIMER_BASE + 0x18)

 #define BCM2835_EMMC_BASE              (RPI_PERIPHERAL_BASE + 0x300000)

 #define BCM2835_MBOX_BASE   (RPI_PERIPHERAL_BASE+0xB880)

 #define BCM2835_MBOX_PEEK   (BCM2835_MBOX_BASE+0x10)
 #define BCM2835_MBOX_READ   (BCM2835_MBOX_BASE+0x00)
 #define BCM2835_MBOX_WRITE  (BCM2835_MBOX_BASE+0x20)
 #define BCM2835_MBOX_STATUS (BCM2835_MBOX_BASE+0x18)
 #define BCM2835_MBOX_SENDER (BCM2835_MBOX_BASE+0x14)
 #define BCM2835_MBOX_CONFIG (BCM2835_MBOX_BASE+0x1C)

 #define BCM2835_MBOX_FULL   0x80000000
 #define BCM2835_MBOX_EMPTY  0x40000000

 /* Power Manager channel */
 #define BCM2835_MBOX_CHANNEL_PM         0
 /* Framebuffer channel */
 #define BCM2835_MBOX_CHANNEL_FB         1
  /* Virtual UART channel */
 #define BCM2835_MBOX_CHANNEL_VUART      2
  /* VCHIQ channel */
 #define BCM2835_MBOX_CHANNEL_VCHIQ      3
  /* LEDs channel */
 #define BCM2835_MBOX_CHANNEL_LED        4
  /* Button channel */
 #define BCM2835_MBOX_CHANNEL_BUTTON     5
  /* Touch screen channel */
 #define BCM2835_MBOX_CHANNEL_TOUCHS     6
 /* Property tags (ARM <-> VC) channel */
 #define BCM2835_MBOX_CHANNEL_PROP_AVC   8
  /* Property tags (VC <-> ARM) channel */
 #define BCM2835_MBOX_CHANNEL_PROP_VCA   9

 #define BCM2835_USB_BASE    (RPI_PERIPHERAL_BASE + 0x980000) /* DTC_OTG USB controller */

 #define BCM2836_CORE_LOCAL_PERIPH_BASE    0x40000000
 #define BCM2836_CORE_LOCAL_PERIPH_SIZE    0x00040000

 #define BCM2836_MAILBOX_0_WRITE_SET_BASE  0x40000080
 #define BCM2836_MAILBOX_1_WRITE_SET_BASE  0x40000084
 #define BCM2836_MAILBOX_2_WRITE_SET_BASE  0x40000088
 #define BCM2836_MAILBOX_3_WRITE_SET_BASE  0x4000008C
 #define BCM2836_MAILBOX_0_READ_CLEAR_BASE 0x400000C0
 #define BCM2836_MAILBOX_1_READ_CLEAR_BASE 0x400000C4
 #define BCM2836_MAILBOX_2_READ_CLEAR_BASE 0x400000C8
 #define BCM2836_MAILBOX_3_READ_CLEAR_BASE 0x400000CC

 #define BCM2836_CORE_TIMER_CTRL           0x40000000

 #define BCM2836_CORE_TIMER_CTRL_APB_CLK   0x00000100
 #define BCM2836_CORE_TIMER_CTRL_INC_2     0x00000200

 #define BCM2836_CORE_TIMER_PRESCALER      0x40000008

 #define BCM2836_CORE_TIMER_LS32           0x4000001C
 #define BCM2836_CORE_TIMER_MS32           0x40000020

 #define BCM2836_LOCAL_TIMER_CTRL          0x40000034

 #define BCM2836_LOCAL_TIMER_CTRL_IRQ_FLAG 0x80000000
 #define BCM2836_LOCAL_TIMER_CTRL_IRQ_EN   0x20000000
 #define BCM2836_LOCAL_TIMER_CTRL_TIMER_EN 0x10000000
 #define BCM2836_LOCAL_TIMER_RELOAD        0x0FFFFFFF

 #define BCM2836_LOCAL_TIMER_IRQ_RELOAD    0x40000038

 #define BCM2836_LOCAL_TIMER_IRQ_CLEAR     0x80000000
 #define BCM2836_LOCAL_TIMER_RELOAD_NOW    0x40000000

 #define BCM2836_LOCAL_TIMER_IRQ_ROUTING   0x40000024
 #define BCM2836_LOCAL_TIMER_ROU_CORE0_IRQ       0x00
 #define BCM2836_LOCAL_TIMER_ROU_CORE1_IRQ       0x01
 #define BCM2836_LOCAL_TIMER_ROU_CORE2_IRQ       0x02
 #define BCM2836_LOCAL_TIMER_ROU_CORE3_IRQ       0x03
 #define BCM2836_LOCAL_TIMER_ROU_CORE0_FIQ       0x04
 #define BCM2836_LOCAL_TIMER_ROU_CORE1_FIQ       0x05
 #define BCM2836_LOCAL_TIMER_ROU_CORE2_FIQ       0x06
 #define BCM2836_LOCAL_TIMER_ROU_CORE3_FIQ       0x07

 #define BCM2836_GPU_IRQ_ROUTING           0x4000000C

 #define BCM2836_GPU_IRQ_ROU_GPU_IRQ_CORE0 0x00000000
 #define BCM2836_GPU_IRQ_ROU_GPU_IRQ_CORE1 0x00000001
 #define BCM2836_GPU_IRQ_ROU_GPU_IRQ_CORE2 0x00000002
 #define BCM2836_GPU_IRQ_ROU_GPU_IRQ_CORE4 0x00000003

 #define BCM2836_GPU_IRQ_ROU_GPU_FIQ_CORE0 0x00000000
 #define BCM2836_GPU_IRQ_ROU_GPU_FIQ_CORE1 0x00000004
 #define BCM2836_GPU_IRQ_ROU_GPU_FIQ_CORE2 0x00000008
 #define BCM2836_GPU_IRQ_ROU_GPU_FIQ_CORE4 0x0000000C

 #define BCM2836_GPU_IRQ_ROU_GPU_FIQ_CORE4 0x0000000C


 /* Timers interrupt control registers */
 #define BCM2836_CORE0_TIMER_IRQ_CTRL_BASE 0x40000040
 #define BCM2836_CORE1_TIMER_IRQ_CTRL_BASE 0x40000044
 #define BCM2836_CORE2_TIMER_IRQ_CTRL_BASE 0x40000048
 #define BCM2836_CORE3_TIMER_IRQ_CTRL_BASE 0x4000004C

 #define BCM2836_CORE_TIMER_IRQ_CTRL(cpuidx) \
   (BCM2836_CORE0_TIMER_IRQ_CTRL_BASE + 0x4 * (cpuidx))

 /*
  * Where to route timer interrupt to, IRQ/FIQ
  * Setting both the IRQ and FIQ bit gives an FIQ
  */
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER0_IRQ  0x01
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER1_IRQ  0x02
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER2_IRQ  0x04
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER3_IRQ  0x08
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER0_FIQ  0x10
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER1_FIQ  0x20
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER2_FIQ  0x40
 #define BCM2836_CORE_TIMER_IRQ_CTRL_TIMER3_FIQ  0x80

 /* CPU mailbox registers */
 #define BCM2836_MAILBOX_IRQ_CTRL_BASE     0x40000050
 #define BCM2836_MAILBOX_IRQ_CTRL(cpuidx) \
   (BCM2836_MAILBOX_IRQ_CTRL_BASE + 0x4 * (cpuidx))
 /*
  * Where to route mailbox interrupt to, IRQ/FIQ
  * Setting both the IRQ and FIQ bit gives an FIQ
  */
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX0_IRQ      0x01
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX1_IRQ      0x02
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX2_IRQ      0x04
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX3_IRQ      0x08
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX0_FIQ      0x10
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX1_FIQ      0x20
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX2_FIQ      0x40
 #define BCM2836_MAILBOX_IRQ_CTRL_MBOX3_FIQ      0x80

 #define BCM2836_IRQ_SOURCE_REG_BASE       0x40000060
 #define BCM2836_IRQ_SOURCE_REG(cpuidx) \
   (BCM2836_IRQ_SOURCE_REG_BASE + 0x4 * (cpuidx))

 #define BCM2836_FIQ_SOURCE_REG_BASE       0x40000070
 #define BCM2836_FIQ_SOURCE_REG(cpuidx) \
   (BCM2836_FIQ_SOURCE_REG_BASE + 0x4 * (cpuidx))

 #define BCM2836_IRQ_SOURCE_TIMER0         0x00000001
 #define BCM2836_IRQ_SOURCE_TIMER1         0x00000002
 #define BCM2836_IRQ_SOURCE_TIMER2         0x00000004
 #define BCM2836_IRQ_SOURCE_TIMER3         0x00000008
 #define BCM2836_IRQ_SOURCE_MBOX0          0x00000010
 #define BCM2836_IRQ_SOURCE_MBOX1          0x00000020
 #define BCM2836_IRQ_SOURCE_MBOX2          0x00000040
 #define BCM2836_IRQ_SOURCE_MBOX3          0x00000080
 #define BCM2836_IRQ_SOURCE_GPU            0x00000100
 #define BCM2836_IRQ_SOURCE_PMU            0x00000200
 #define BCM2836_IRQ_SOURCE_LOCAL_TIMER    0x00000800

 #endif /* LIBBSP_ARM_RASPBERRYPI_RASPBERRYPI_H */
utility.h
Utility macros.