xref: /src/sys/arch/arm/broadcom/bcm2835reg.h

/*	$NetBSD: bcm2835reg.h,v 1.32.24.1 2025/08/02 05:55:27 perseant Exp $	*/

/*-
 * Copyright (c) 2012 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Nick Hudson
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Reference: BCM2835 ARM Peripherals
 *
 * 	http://www.raspberrypi.org/wp-content/uploads/2012/02/BCM2835-ARM-Peripherals.pdf
 */

#ifndef	_BCM2835REG_H_
#define	_BCM2835REG_H_

#include "opt_bcm283x.h"

#if defined(SOC_BCM2835) + defined(SOC_BCM2836) != 1
#error Must define SOC_BCM2835 or SOC_BCM2836, and not both
#endif

#define	BCM2711_PERIPHERALS_BASE	0xfe000000
#define	BCM2836_PERIPHERALS_BASE	0x3f000000
#define	BCM2835_PERIPHERALS_BASE	0x20000000
#define	BCM283X_PERIPHERALS_SIZE	0x01000000	/* 16MBytes */
#define	BCM283X_PERIPHERALS_BASE_BUS	0x7e000000

#define	BCM2711_PERIPHERALS_PHYS_TO_BUS(a) \
    ((a) - BCM2711_PERIPHERALS_BASE + BCM283X_PERIPHERALS_BASE_BUS)
#define	BCM2711_PERIPHERALS_BUS_TO_PHYS(a) \
    ((a) - BCM283X_PERIPHERALS_BASE_BUS + BCM2711_PERIPHERALS_BASE)

#define	BCM2836_PERIPHERALS_PHYS_TO_BUS(a) \
    ((a) - BCM2836_PERIPHERALS_BASE + BCM283X_PERIPHERALS_BASE_BUS)
#define	BCM2836_PERIPHERALS_BUS_TO_PHYS(a) \
    ((a) - BCM283X_PERIPHERALS_BASE_BUS + BCM2836_PERIPHERALS_BASE)

#define	BCM2835_PERIPHERALS_PHYS_TO_BUS(a) \
    ((a) - BCM2835_PERIPHERALS_BASE + BCM283X_PERIPHERALS_BASE_BUS)
#define	BCM2835_PERIPHERALS_BUS_TO_PHYS(a) \
    ((a) - BCM283X_PERIPHERALS_BASE_BUS + BCM2835_PERIPHERALS_BASE)

#define	BCM2835_STIMER_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00003000)
#define	BCM2835_DMA0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00007000)
#define	BCM2835_ARM_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x0000B000)
#define	BCM2835_PM_BASE		(BCM283X_PERIPHERALS_BASE_BUS + 0x00100000)
#define	BCM2835_CM_BASE  	(BCM283X_PERIPHERALS_BASE_BUS + 0x00101000)
#define	BCM2835_RNG_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00104000)
#define	BCM2835_GPIO_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00200000)
#define	BCM2835_UART0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00201000)
#define	BCM2835_SDHOST_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00202000)
#define	BCM2835_PCM_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00203000)
#define	BCM2835_SPI0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00204000)
#define	BCM2835_BSC0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00205000)
#define	BCM2835_PWM_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x0020C000)
#define	BCM2835_BSCSPISLV_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00214000)
#define	BCM2835_AUX_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00215000)
#define	BCM2835_AUX_UART_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00215040)
#define	BCM2835_EMMC_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00300000)
#define	BCM2835_BSC1_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00804000)
#define	BCM2835_BSC2_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00805000)
#define	BCM2835_USB_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00980000)
#define	BCM2835_DMA15_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00E05000)

#define	BCM2835_STIMER_SIZE	0x1c
#define	BCM2835_DMA0_SIZE	0x1000
#define	BCM2835_ARM_SIZE	0x1000
#define	BCM2835_PM_SIZE		0x1000
#define	BCM2835_CM_SIZE		0xa8
#define	BCM2835_RNG_SIZE	0x1000
#define	BCM2835_GPIO_SIZE	0x1000
#define	BCM2835_UART0_SIZE	0x90
#define	BCM2835_PCM_SIZE	0x1000
#define	BCM2835_SPI0_SIZE	0x1000
#define	BCM2835_BSC_SIZE	0x1000
#define	BCM2835_PWM_SIZE	0x28
#define	BCM2835_AUX_SIZE	0x8
#define	BCM2835_AUX_UART_SIZE	0x40
#define	BCM2835_SDHOST_SIZE	0x1000
#define	BCM2835_EMMC_SIZE	0x1000
#define	BCM2835_USB_SIZE	0x20000
#define	BCM2835_DMA15_SIZE	0x100


#define	BCM2835_BUSADDR_CACHE_MASK	0xc0000000
#define	BCM2835_BUSADDR_CACHE_COHERENT	0x40000000
#define	BCM2835_BUSADDR_CACHE_L1L2	0x00000000
#define	BCM2835_BUSADDR_CACHE_L2ONLY	0x80000000
#define	BCM2835_BUSADDR_CACHE_DIRECT	0xc0000000

#define	BCM2835_ARMICU_BASE	(BCM2835_ARM_BASE + 0x0200)
#define	BCM2835_ARMICU_SIZE	0x200

#define	BCM2835_VCHIQ_BASE	(BCM2835_ARM_BASE + 0x0800)
#define	BCM2835_VCHIQ_SIZE	0x50

#define	BCM2835_ARMMBOX_BASE	(BCM2835_ARM_BASE + 0x0880)
#define	BCM2835_ARMMBOX_SIZE	0x40

#define	BCM2835_INTC_BASE	(0x0)	/* Relative to BCM2835_ARMICU_BASE */

#define	BCM2711_SCB_BASE	0xfc000000
#define	BCM2711_SCB_SIZE	0x03800000
#define	BCM2711_SCB_BASE_BUS	0x7c000000

#define	BCM2711_SCB_PHYS_TO_BUS(a) \
    ((a) - BCM2711_SCB_BASE + BCM2711_SCB_BASE_BUS)
#define	BCM2711_SCB_BUS_TO_PHYS(a) \
    ((a) - BCM2711_SCB_BASE_BUS + BCM2711_SCB_BASE)

/* Interrupt controller */
#define	BCM2835_INTC_IRQBPENDING	(BCM2835_INTC_BASE + 0x00)	/* IRQ Basic pending */
#define	BCM2835_INTC_IRQ1PENDING	(BCM2835_INTC_BASE + 0x04)	/* IRQ pending 1 */
#define	BCM2835_INTC_IRQ2PENDING	(BCM2835_INTC_BASE + 0x08)	/* IRQ pending 2 */
#define	BCM2835_INTC_FIQCTL		(BCM2835_INTC_BASE + 0x0c)	/* FIQ control */
#define	BCM2835_INTC_IRQ1ENABLE		(BCM2835_INTC_BASE + 0x10)	/* Enable IRQs 1 */
#define	BCM2835_INTC_IRQ2ENABLE		(BCM2835_INTC_BASE + 0x14)	/* Enable IRQs 2 */
#define	BCM2835_INTC_IRQBENABLE		(BCM2835_INTC_BASE + 0x18)	/* Enable Basic IRQs */
#define	BCM2835_INTC_IRQ1DISABLE	(BCM2835_INTC_BASE + 0x1c)	/* Disable IRQ 1 */
#define	BCM2835_INTC_IRQ2DISABLE	(BCM2835_INTC_BASE + 0x20)	/* Disable IRQ 2 */
#define	BCM2835_INTC_IRQBDISABLE	(BCM2835_INTC_BASE + 0x24)	/* Disable Basic IRQs */

#define	BCM2835_INTC_ENABLEBASE		(BCM2835_INTC_BASE + 0x10)
#define	BCM2835_INTC_DISABLEBASE	(BCM2835_INTC_BASE + 0x1c)

#define	BCM2836_NCPUS			4
#define	BCM2836_NIRQPERCPU		32

#define	BCM2836_INT_CNTPSIRQ		0
#define	BCM2836_INT_CNTPNSIRQ		1
#define	BCM2836_INT_CNTHPIRQ		2
#define	BCM2836_INT_CNTVIRQ		3
#define	BCM2836_INT_MAILBOX0		4
#define	BCM2836_INT_MAILBOX1		5
#define	BCM2836_INT_MAILBOX2		6
#define	BCM2836_INT_MAILBOX3		7
#define	BCM2836_INT_GPU_FAST		8
#define	BCM2836_INT_PMU_FAST		9
#define	BCM2836_INT_ZERO		10
#define	BCM2836_INT_TIMER		11
#define	BCM2836_INT_NLOCAL		12

#define	BCM2835_UART0_CLK		3000000

#define	BCM2711_ARM_LOCAL_BASE_BUS	0x40000000
#define	BCM2711_ARM_LOCAL_BASE		0xff800000
#define	BCM2711_ARM_LOCAL_SIZE		0x00100000	/* 1MBytes */

#define	BCM2711_ARM_LOCAL_PHYS_TO_BUS(a) \
    ((a) - BCM2711_ARM_LOCAL_BASE + BCM2711_ARM_LOCAL_BASE_BUS)
#define	BCM2711_ARM_LOCAL_BUS_TO_PHYS(a) \
    ((a) - BCM2711_ARM_LOCAL_BASE_BUS + BCM2711_ARM_LOCAL_BASE)

#define	BCM2836_ARM_LOCAL_BASE		0x40000000
#define	BCM2836_ARM_LOCAL_SIZE		0x00001000	/* 4KBytes */

#define	BCM2836_LOCAL_CONTROL		0x000	/* ARM_CONTROL */
#define	BCM2836_LOCAL_PRESCALER		0x008
#define	BCM2836_LOCAL_GPU_INT_ROUTING	0x00c	/* CORE_IRQ_CONTROL */
#define	BCM2836_LOCAL_PM_ROUTING_SET	0x010	/* PMU_CONTROL_SET */
#define	BCM2836_LOCAL_PM_ROUTING_CLR	0x014	/* PMU_CONTROL_CLR */
#define	BCM2836_LOCAL_TIMER_LS		0x01c
#define	BCM2836_LOCAL_TIMER_MS		0x020
#define	BCM2836_LOCAL_INT_ROUTING	0x024	/* PERI_IRQ_ROUTE0 */
#define	BCM2836_LOCAL_AXI_COUNT		0x02c
#define	BCM2836_LOCAL_AXI_IRQ		0x030	/* AXI_QUIET_TIME */
#define	BCM2836_LOCAL_TIMER_CONTROL	0x034
#define	BCM2836_LOCAL_TIMER_WRITE	0x038	/* LOCAL_TIMER_IRQ */


#define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE	0x40
#define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE	0x50
#define	BCM2836_LOCAL_INTC_IRQPENDING_BASE	0x60
#define	BCM2836_LOCAL_INTC_FIQPENDING_BASE	0x70

#define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_SIZE	0x10
#define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_SIZE	0x10

#define	BCM2836_LOCAL_TIMER_IRQ_CONTROLN(n)	(BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE + 4*(n))
#define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROLN(n)	(BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE + 4*(n))
#define	BCM2836_LOCAL_INTC_IRQPENDINGN(n)	(BCM2836_LOCAL_INTC_IRQPENDING_BASE + 4*(n))
#define	BCM2836_LOCAL_INTC_FIQPENDINGN(n)	(BCM2836_LOCAL_INTC_FIQPENDING_BASE + 4*(n))

#define	BCM2836_LOCAL_MAILBOX0_SETN(n)		(0x80 + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX1_SETN(n)		(0x84 + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX2_SETN(n)		(0x88 + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX3_SETN(n)		(0x8c + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX0_CLRN(n)		(0xc0 + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX1_CLRN(n)		(0xc4 + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX2_CLRN(n)		(0xc8 + 0x10 * (n))
#define	BCM2836_LOCAL_MAILBOX3_CLRN(n)		(0xcc + 0x10 * (n))

#define	BCM2836_ARM_SMP_BASE		0x00000000
#define	BCM2836_ARM_SMP_SIZE		0x00001000	/* 4KBytes */

#endif /* _BCM2835REG_H_ */