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bcm2835reg.h revision 1.14
      1 /*	$NetBSD: bcm2835reg.h,v 1.14 2015/02/28 09:34:34 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Nick Hudson
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Reference: BCM2835 ARM Periperhals
     34  *
     35  * 	http://www.raspberrypi.org/wp-content/uploads/2012/02/BCM2835-ARM-Peripherals.pdf
     36  */
     37 
     38 #ifndef	_BCM2835REG_H_
     39 #define	_BCM2835REG_H_
     40 
     41 #include "opt_bcm283x.h"
     42 
     43 #ifdef BCM2836
     44 #define	BCM2835_PERIPHERALS_BASE	0x3f000000
     45 #else
     46 #define	BCM2835_PERIPHERALS_BASE	0x20000000
     47 #endif
     48 #define	BCM2835_PERIPHERALS_SIZE	0x01000000	/* 16MBytes */
     49 #define	BCM2835_PERIPHERALS_BASE_BUS	0x7e000000
     50 #define	BCM2835_PERIPHERALS_TO_BUS(a) \
     51     ((a) - BCM2835_PERIPHERALS_BASE + BCM2835_PERIPHERALS_BASE_BUS)
     52 
     53 #define	BCM2835_STIMER_BASE	(BCM2835_PERIPHERALS_BASE + 0x00003000)
     54 #define	BCM2835_DMA0_BASE	(BCM2835_PERIPHERALS_BASE + 0x00007000)
     55 #define	BCM2835_ARM_BASE	(BCM2835_PERIPHERALS_BASE + 0x0000B000)
     56 #define	BCM2835_PM_BASE		(BCM2835_PERIPHERALS_BASE + 0x00100000)
     57 #define	BCM2835_RNG_BASE	(BCM2835_PERIPHERALS_BASE + 0x00104000)
     58 #define	BCM2835_GPIO_BASE	(BCM2835_PERIPHERALS_BASE + 0x00200000)
     59 #define	BCM2835_UART0_BASE	(BCM2835_PERIPHERALS_BASE + 0x00201000)
     60 #define	BCM2835_PCM_BASE	(BCM2835_PERIPHERALS_BASE + 0x00203000)
     61 #define	BCM2835_SPI0_BASE	(BCM2835_PERIPHERALS_BASE + 0x00204000)
     62 #define	BCM2835_BSC0_BASE	(BCM2835_PERIPHERALS_BASE + 0x00205000)
     63 #define	BCM2835_BSCSPISLV_BASE	(BCM2835_PERIPHERALS_BASE + 0x00214000)
     64 #define	BCM2835_AUX_BASE	(BCM2835_PERIPHERALS_BASE + 0x00215000)
     65 #define	BCM2835_EMMC_BASE	(BCM2835_PERIPHERALS_BASE + 0x00300000)
     66 #define	BCM2835_BSC1_BASE	(BCM2835_PERIPHERALS_BASE + 0x00804000)
     67 #define	BCM2835_BSC2_BASE	(BCM2835_PERIPHERALS_BASE + 0x00805000)
     68 #define	BCM2835_USB_BASE	(BCM2835_PERIPHERALS_BASE + 0x00980000)
     69 #define	BCM2835_DMA15_BASE	(BCM2835_PERIPHERALS_BASE + 0x00E05000)
     70 
     71 #define	BCM2835_STIMER_SIZE	0x1c
     72 #define	BCM2835_DMA0_SIZE	0x1000
     73 #define	BCM2835_ARM_SIZE	0x1000
     74 #define	BCM2835_PM_SIZE		0x1000
     75 #define	BCM2835_RNG_SIZE	0x1000
     76 #define	BCM2835_GPIO_SIZE	0x1000
     77 #define	BCM2835_UART0_SIZE	0x90
     78 #define	BCM2835_PCM_SIZE	0x1000
     79 #define	BCM2835_SPI0_SIZE	0x1000
     80 #define	BCM2835_BSC_SIZE	0x1000
     81 #define	BCM2835_AUX_SIZE	0x1000
     82 #define	BCM2835_EMMC_SIZE	0x1000
     83 #define	BCM2835_USB_SIZE	0x20000
     84 #define	BCM2835_DMA15_SIZE	0x100
     85 
     86 #define BCM2835_IOPHYSTOVIRT(a) \
     87     ((0xf0000000 | (((a) & 0xf0000000) >> 4)) + ((a) & ~0xff000000))
     88 
     89 #define	BCM2835_BUSADDR_CACHE_MASK	0xc0000000
     90 #define	BCM2835_BUSADDR_CACHE_COHERENT	0x40000000
     91 #define	BCM2835_BUSADDR_CACHE_L1L2	0x00000000
     92 #define	BCM2835_BUSADDR_CACHE_L2ONLY	0x80000000
     93 #define	BCM2835_BUSADDR_CACHE_DIRECT	0xc0000000
     94 
     95 #define	BCM2835_PERIPHERALS_VBASE \
     96 	BCM2835_IOPHYSTOVIRT(BCM2835_PERIPHERALS_BASE)
     97 #define	BCM2835_STIMER_VBASE	BCM2835_IOPHYSTOVIRT(BCM2835_ST_BASE)
     98 #define	BCM2835_PM_VBASE	BCM2835_IOPHYSTOVIRT(BCM2835_PM_BASE)
     99 #define	BCM2835_UART0_VBASE	BCM2835_IOPHYSTOVIRT(BCM2835_UART0_BASE)
    100 #define	BCM2835_EMMC_VBASE	BCM2835_IOPHYSTOVIRT(BCM2835_EMMC_BASE)
    101 
    102 #define	BCM2835_ARMICU_BASE	(BCM2835_ARM_BASE + 0x0200)
    103 #define	BCM2835_ARMICU_SIZE	0x200
    104 
    105 #define	BCM2835_VCHIQ_BASE	(BCM2835_ARM_BASE + 0x0800)
    106 #define	BCM2835_VCHIQ_SIZE	0x50
    107 
    108 #define	BCM2835_ARMMBOX_BASE	(BCM2835_ARM_BASE + 0x0880)
    109 #define	BCM2835_ARMMBOX_SIZE	0x40
    110 
    111 #define	BCM2835_ARMICU_VBASE	BCM2835_IOPHYSTOVIRT(BCM2835_ARMICU_BASE)
    112 
    113 #define	BCM2835_INTC_BASE	(0x0)	/* Relative to BCM2835_ARMICU_BASE */
    114 
    115 /* Interrupt controller */
    116 #define	BCM2835_INTC_IRQBPENDING	(BCM2835_INTC_BASE + 0x00)	/* IRQ Basic pending */
    117 #define	BCM2835_INTC_IRQ1PENDING	(BCM2835_INTC_BASE + 0x04)	/* IRQ pending 1 */
    118 #define	BCM2835_INTC_IRQ2PENDING	(BCM2835_INTC_BASE + 0x08)	/* IRQ pending 2 */
    119 #define	BCM2835_INTC_FIQCTL		(BCM2835_INTC_BASE + 0x0c)	/* FIQ control */
    120 #define	BCM2835_INTC_IRQ1ENABLE		(BCM2835_INTC_BASE + 0x10)	/* Enable IRQs 1 */
    121 #define	BCM2835_INTC_IRQ2ENABLE		(BCM2835_INTC_BASE + 0x14)	/* Enable IRQs 2 */
    122 #define	BCM2835_INTC_IRQBENABLE		(BCM2835_INTC_BASE + 0x18)	/* Enable Basic IRQs */
    123 #define	BCM2835_INTC_IRQ1DISABLE	(BCM2835_INTC_BASE + 0x1c)	/* Disable IRQ 1 */
    124 #define	BCM2835_INTC_IRQ2DISABLE	(BCM2835_INTC_BASE + 0x20)	/* Disable IRQ 2 */
    125 #define	BCM2835_INTC_IRQBDISABLE	(BCM2835_INTC_BASE + 0x24)	/* Disable Basic IRQs */
    126 
    127 #define	BCM2835_INTC_ENABLEBASE		(BCM2835_INTC_BASE + 0x10)
    128 #define	BCM2835_INTC_DISABLEBASE	(BCM2835_INTC_BASE + 0x1c)
    129 
    130 /* Interrupt source */
    131 #define	BCM2835_INT_GPU0BASE		0
    132 #define	BCM2835_INT_TIMER0		(BCM2835_INT_GPU0BASE + 0)
    133 #define	BCM2835_INT_TIMER1		(BCM2835_INT_GPU0BASE + 1)
    134 #define	BCM2835_INT_TIMER2		(BCM2835_INT_GPU0BASE + 2)
    135 #define	BCM2835_INT_TIMER3		(BCM2835_INT_GPU0BASE + 3)
    136 #define	BCM2835_INT_USB			(BCM2835_INT_GPU0BASE + 9)
    137 #define	BCM2835_INT_DMA0		(BCM2835_INT_GPU0BASE + 16)
    138 #define	BCM2835_INT_DMA2		(BCM2835_INT_GPU0BASE + 18)
    139 #define	BCM2835_INT_DMA3		(BCM2835_INT_GPU0BASE + 19)
    140 #define	BCM2835_INT_AUX			(BCM2835_INT_GPU0BASE + 29)
    141 #define	BCM2835_INT_ARM			(BCM2835_INT_GPU0BASE + 30)
    142 
    143 #define	BCM2835_INT_GPU1BASE		32
    144 #define	BCM2835_INT_GPIO0		(BCM2835_INT_GPU1BASE + 17)
    145 #define	BCM2835_INT_GPIO1		(BCM2835_INT_GPU1BASE + 18)
    146 #define	BCM2835_INT_GPIO2		(BCM2835_INT_GPU1BASE + 19)
    147 #define	BCM2835_INT_GPIO3		(BCM2835_INT_GPU1BASE + 20)
    148 #define	BCM2835_INT_BSC			(BCM2835_INT_GPU1BASE + 21)
    149 #define	BCM2835_INT_SPI0		(BCM2835_INT_GPU1BASE + 22)
    150 #define	BCM2835_INT_PCM			(BCM2835_INT_GPU1BASE + 23)
    151 #define	BCM2835_INT_UART0		(BCM2835_INT_GPU1BASE + 25)
    152 #define	BCM2835_INT_EMMC		(BCM2835_INT_GPU1BASE + 30)
    153 
    154 #define	BCM2835_INT_BASICBASE		64
    155 #define	BCM2835_INT_ARMTIMER		(BCM2835_INT_BASICBASE + 0)
    156 #define	BCM2835_INT_ARMMAILBOX		(BCM2835_INT_BASICBASE + 1)
    157 #define	BCM2835_INT_ARMDOORBELL0	(BCM2835_INT_BASICBASE + 2)
    158 #define	BCM2835_INT_ARMDOORBELL1	(BCM2835_INT_BASICBASE + 3)
    159 #define	BCM2835_INT_GPU0HALTED		(BCM2835_INT_BASICBASE + 4)
    160 #define	BCM2835_INT_GPU1HALTED		(BCM2835_INT_BASICBASE + 5)
    161 #define	BCM2835_INT_ILLEGALTYPE0	(BCM2835_INT_BASICBASE + 6)
    162 #define	BCM2835_INT_ILLEGALTYPE1	(BCM2835_INT_BASICBASE + 7)
    163 
    164 #define	BCM2836_NCPUS			4
    165 
    166 #define	BCM2836_INT_LOCALBASE		96
    167 
    168 #define	BCM2836_INT_CNTPSIRQ		0
    169 #define	BCM2836_INT_CNTPNSIRQ		1
    170 #define	BCM2836_INT_CNTHPIRQ		2
    171 #define	BCM2836_INT_CNTVIRQ		3
    172 #define	BCM2836_INT_MAILBOX0		4
    173 #define	BCM2836_INT_MAILBOX1		5
    174 #define	BCM2836_INT_MAILBOX2		6
    175 #define	BCM2836_INT_MAILBOX3		7
    176 #define	BCM2836_INT_GPU_FAST		8
    177 #define	BCM2836_INT_PMU_FAST		9
    178 #define	BCM2836_INT_ZERO		10
    179 #define	BCM2836_INT_TIMER		11
    180 #define	BCM2836_INT_NLOCAL		12
    181 
    182 #define	BCM2836_INT_CNTVIRQ_CPUN(n)	(BCM2836_INT_LOCALBASE + ((n) * 32) + BCM2836_INT_CNTVIRQ)
    183 #define	BCM2836_INT_MAILBOX0_CPUN(n)	(BCM2836_INT_LOCALBASE + ((n) * 32) + BCM2836_INT_MAILBOX0)
    184 
    185 #define	BCM2835_NIRQ			96
    186 #define	BCM2836MP_NIRQ			32
    187 
    188 #define	BCM2835_UART0_CLK	3000000
    189 
    190 #define	BCM2836_ARM_LOCAL_VBASE \
    191 	BCM2835_IOPHYSTOVIRT(BCM2836_ARM_LOCAL_BASE)
    192 #define	BCM2836_ARM_LOCAL_BASE		0x40000000
    193 #define	BCM2836_ARM_LOCAL_SIZE		0x00001000	/* 4KBytes */
    194 
    195 #define	BCM2836_LOCAL_CONTROL		0x000
    196 #define	BCM2836_LOCAL_PRESCALER		0x008
    197 #define	BCM2836_LOCAL_GPU_INT_ROUTING	0x00c
    198 #define	BCM2836_LOCAL_PM_ROUTING_SET	0x010
    199 #define	BCM2836_LOCAL_PM_ROUTING_CLR	0x014
    200 #define	BCM2836_LOCAL_TIMER_LS		0x01c
    201 #define	BCM2836_LOCAL_TIMER_MS		0x020
    202 #define	BCM2836_LOCAL_INT_ROUTING	0x024
    203 #define	BCM2836_LOCAL_AXI_COUNT		0x02c
    204 #define	BCM2836_LOCAL_AXI_IRQ		0x030
    205 #define	BCM2836_LOCAL_TIMER_CONTROL	0x034
    206 #define	BCM2836_LOCAL_TIMER_WRITE	0x038
    207 
    208 
    209 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE	0x40
    210 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE	0x50
    211 #define	BCM2836_LOCAL_INTC_IRQPENDING_BASE	0x60
    212 #define	BCM2836_LOCAL_INTC_FIQPENDING_BASE	0x70
    213 
    214 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_SIZE	0x10
    215 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_SIZE	0x10
    216 
    217 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROLN(n)	(BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE + 4*(n))
    218 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROLN(n)	(BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE + 4*(n))
    219 #define	BCM2836_LOCAL_INTC_IRQPENDINGN(n)	(BCM2836_LOCAL_INTC_IRQPENDING_BASE + 4*(n))
    220 #define	BCM2836_LOCAL_INTC_FIQPENDINGN(n)	(BCM2836_LOCAL_INTC_FIQPENDING_BASE + 4*(n))
    221 
    222 #define	BCM2836_LOCAL_MAILBOX0_SETN(n)		(0x80 + 0x10 * (n))
    223 #define	BCM2836_LOCAL_MAILBOX1_SETN(n)		(0x84 + 0x10 * (n))
    224 #define	BCM2836_LOCAL_MAILBOX2_SETN(n)		(0x88 + 0x10 * (n))
    225 #define	BCM2836_LOCAL_MAILBOX3_SETN(n)		(0x8c + 0x10 * (n))
    226 #define	BCM2836_LOCAL_MAILBOX0_CLRN(n)		(0xc0 + 0x10 * (n))
    227 #define	BCM2836_LOCAL_MAILBOX1_CLRN(n)		(0xc4 + 0x10 * (n))
    228 #define	BCM2836_LOCAL_MAILBOX2_CLRN(n)		(0xc8 + 0x10 * (n))
    229 #define	BCM2836_LOCAL_MAILBOX3_CLRN(n)		(0xcc + 0x10 * (n))
    230 
    231 #endif /* _BCM2835REG_H_ */
    232