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bcm2835reg.h revision 1.21
      1 /*	$NetBSD: bcm2835reg.h,v 1.21 2017/12/10 21:38:26 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 #if defined(SOC_BCM2835) + defined(SOC_BCM2836) != 1
     44 #error Must define SOC_BCM2835 or SOC_BCM2836, and not both
     45 #endif
     46 
     47 #define	BCM2836_PERIPHERALS_BASE	0x3f000000
     48 #define	BCM2835_PERIPHERALS_BASE	0x20000000
     49 #define	BCM2835_PERIPHERALS_SIZE	0x01000000	/* 16MBytes */
     50 #define	BCM2835_PERIPHERALS_BASE_BUS	0x7e000000
     51 
     52 #define	BCM2836_PERIPHERALS_PHYS_TO_BUS(a) \
     53     ((a) - BCM2836_PERIPHERALS_BASE + BCM2835_PERIPHERALS_BASE_BUS)
     54 #define	BCM2836_PERIPHERALS_BUS_TO_PHYS(a) \
     55     ((a) - BCM2835_PERIPHERALS_BASE_BUS + BCM2836_PERIPHERALS_BASE)
     56 
     57 #define	BCM2835_PERIPHERALS_PHYS_TO_BUS(a) \
     58     ((a) - BCM2835_PERIPHERALS_BASE + BCM2835_PERIPHERALS_BASE_BUS)
     59 #define	BCM2835_PERIPHERALS_BUS_TO_PHYS(a) \
     60     ((a) - BCM2835_PERIPHERALS_BASE_BUS + BCM2835_PERIPHERALS_BASE)
     61 
     62 #define	BCM2835_STIMER_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00003000)
     63 #define	BCM2835_DMA0_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00007000)
     64 #define	BCM2835_ARM_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x0000B000)
     65 #define	BCM2835_PM_BASE		(BCM2835_PERIPHERALS_BASE_BUS + 0x00100000)
     66 #define	BCM2835_CM_BASE  	(BCM2835_PERIPHERALS_BASE_BUS + 0x00101000)
     67 #define	BCM2835_RNG_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00104000)
     68 #define	BCM2835_GPIO_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00200000)
     69 #define	BCM2835_UART0_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00201000)
     70 #define	BCM2835_SDHOST_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00202000)
     71 #define	BCM2835_PCM_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00203000)
     72 #define	BCM2835_SPI0_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00204000)
     73 #define	BCM2835_BSC0_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00205000)
     74 #define	BCM2835_PWM_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x0020C000)
     75 #define	BCM2835_BSCSPISLV_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00214000)
     76 #define	BCM2835_AUX_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00215000)
     77 #define	BCM2835_AUX_UART_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00215040)
     78 #define	BCM2835_EMMC_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00300000)
     79 #define	BCM2835_BSC1_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00804000)
     80 #define	BCM2835_BSC2_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00805000)
     81 #define	BCM2835_USB_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00980000)
     82 #define	BCM2835_DMA15_BASE	(BCM2835_PERIPHERALS_BASE_BUS + 0x00E05000)
     83 
     84 #define	BCM2835_STIMER_SIZE	0x1c
     85 #define	BCM2835_DMA0_SIZE	0x1000
     86 #define	BCM2835_ARM_SIZE	0x1000
     87 #define	BCM2835_PM_SIZE		0x1000
     88 #define	BCM2835_CM_SIZE		0xa8
     89 #define	BCM2835_RNG_SIZE	0x1000
     90 #define	BCM2835_GPIO_SIZE	0x1000
     91 #define	BCM2835_UART0_SIZE	0x90
     92 #define	BCM2835_PCM_SIZE	0x1000
     93 #define	BCM2835_SPI0_SIZE	0x1000
     94 #define	BCM2835_BSC_SIZE	0x1000
     95 #define	BCM2835_PWM_SIZE	0x28
     96 #define	BCM2835_AUX_SIZE	0x8
     97 #define	BCM2835_AUX_UART_SIZE	0x40
     98 #define	BCM2835_SDHOST_SIZE	0x1000
     99 #define	BCM2835_EMMC_SIZE	0x1000
    100 #define	BCM2835_USB_SIZE	0x20000
    101 #define	BCM2835_DMA15_SIZE	0x100
    102 
    103 #define	BCM2835_IOPHYSTOVIRT(a) \
    104     ((0xf0000000 | (((a) & 0xf0000000) >> 4)) + ((a) & ~0xff000000))
    105 
    106 #define	BCM2835_BUSADDR_CACHE_MASK	0xc0000000
    107 #define	BCM2835_BUSADDR_CACHE_COHERENT	0x40000000
    108 #define	BCM2835_BUSADDR_CACHE_L1L2	0x00000000
    109 #define	BCM2835_BUSADDR_CACHE_L2ONLY	0x80000000
    110 #define	BCM2835_BUSADDR_CACHE_DIRECT	0xc0000000
    111 
    112 #define	BCM2835_PERIPHERALS_VBASE \
    113 	BCM2835_IOPHYSTOVIRT(BCM2835_PERIPHERALS_BASE)
    114 
    115 #define	BCM2836_PERIPHERALS_VBASE \
    116 	BCM2835_IOPHYSTOVIRT(BCM2836_PERIPHERALS_BASE)
    117 
    118 #define	BCM2835_ARMICU_BASE	(BCM2835_ARM_BASE + 0x0200)
    119 #define	BCM2835_ARMICU_SIZE	0x200
    120 
    121 #define	BCM2835_VCHIQ_BASE	(BCM2835_ARM_BASE + 0x0800)
    122 #define	BCM2835_VCHIQ_SIZE	0x50
    123 
    124 #define	BCM2835_ARMMBOX_BASE	(BCM2835_ARM_BASE + 0x0880)
    125 #define	BCM2835_ARMMBOX_SIZE	0x40
    126 
    127 #define	BCM2835_INTC_BASE	(0x0)	/* Relative to BCM2835_ARMICU_BASE */
    128 
    129 /* Interrupt controller */
    130 #define	BCM2835_INTC_IRQBPENDING	(BCM2835_INTC_BASE + 0x00)	/* IRQ Basic pending */
    131 #define	BCM2835_INTC_IRQ1PENDING	(BCM2835_INTC_BASE + 0x04)	/* IRQ pending 1 */
    132 #define	BCM2835_INTC_IRQ2PENDING	(BCM2835_INTC_BASE + 0x08)	/* IRQ pending 2 */
    133 #define	BCM2835_INTC_FIQCTL		(BCM2835_INTC_BASE + 0x0c)	/* FIQ control */
    134 #define	BCM2835_INTC_IRQ1ENABLE		(BCM2835_INTC_BASE + 0x10)	/* Enable IRQs 1 */
    135 #define	BCM2835_INTC_IRQ2ENABLE		(BCM2835_INTC_BASE + 0x14)	/* Enable IRQs 2 */
    136 #define	BCM2835_INTC_IRQBENABLE		(BCM2835_INTC_BASE + 0x18)	/* Enable Basic IRQs */
    137 #define	BCM2835_INTC_IRQ1DISABLE	(BCM2835_INTC_BASE + 0x1c)	/* Disable IRQ 1 */
    138 #define	BCM2835_INTC_IRQ2DISABLE	(BCM2835_INTC_BASE + 0x20)	/* Disable IRQ 2 */
    139 #define	BCM2835_INTC_IRQBDISABLE	(BCM2835_INTC_BASE + 0x24)	/* Disable Basic IRQs */
    140 
    141 #define	BCM2835_INTC_ENABLEBASE		(BCM2835_INTC_BASE + 0x10)
    142 #define	BCM2835_INTC_DISABLEBASE	(BCM2835_INTC_BASE + 0x1c)
    143 
    144 #if defined(SOC_BCM2836)
    145 #define	BCM2835_INT_BASE		BCM2836_NIRQ
    146 #else
    147 #define	BCM2835_INT_BASE		0
    148 #endif /* !BCM2836 */
    149 
    150 #define	BCM2836_NCPUS			4
    151 #define	BCM2836_NIRQPERCPU		32
    152 
    153 #define	BCM2836_INT_LOCALBASE		0
    154 #define	BCM2836_INT_BASECPUN(n)		(BCM2836_INT_LOCALBASE + ((n) * BCM2836_NIRQPERCPU))
    155 #define	BCM2836_NIRQ			(BCM2836_NIRQPERCPU * BCM2836_NCPUS)
    156 
    157 #define	BCM2836_INT_CNTPSIRQ		0
    158 #define	BCM2836_INT_CNTPNSIRQ		1
    159 #define	BCM2836_INT_CNTHPIRQ		2
    160 #define	BCM2836_INT_CNTVIRQ		3
    161 #define	BCM2836_INT_MAILBOX0		4
    162 #define	BCM2836_INT_MAILBOX1		5
    163 #define	BCM2836_INT_MAILBOX2		6
    164 #define	BCM2836_INT_MAILBOX3		7
    165 #define	BCM2836_INT_GPU_FAST		8
    166 #define	BCM2836_INT_PMU_FAST		9
    167 #define	BCM2836_INT_ZERO		10
    168 #define	BCM2836_INT_TIMER		11
    169 #define	BCM2836_INT_NLOCAL		12
    170 
    171 #define	BCM2836_INT_CNTPSIRQ_CPUN(n)	(BCM2836_INT_BASECPUN(n) + BCM2836_INT_CNTPSIRQ)
    172 #define	BCM2836_INT_CNTPNSIRQ_CPUN(n)	(BCM2836_INT_BASECPUN(n) + BCM2836_INT_CNTPNSIRQ)
    173 #define	BCM2836_INT_CNTVIRQ_CPUN(n)	(BCM2836_INT_BASECPUN(n) + BCM2836_INT_CNTVIRQ)
    174 #define	BCM2836_INT_CNTHPIRQ_CPUN(n)	(BCM2836_INT_BASECPUN(n) + BCM2836_INT_CNTHPIRQ)
    175 #define	BCM2836_INT_MAILBOX0_CPUN(n)	(BCM2836_INT_BASECPUN(n) + BCM2836_INT_MAILBOX0)
    176 
    177 /* Periperal Interrupt sources */
    178 #define	BCM2835_NIRQ			96
    179 
    180 #define	BCM2835_INT_GPU0BASE		(BCM2835_INT_BASE + 0)
    181 #define	BCM2835_INT_TIMER0		(BCM2835_INT_GPU0BASE + 0)
    182 #define	BCM2835_INT_TIMER1		(BCM2835_INT_GPU0BASE + 1)
    183 #define	BCM2835_INT_TIMER2		(BCM2835_INT_GPU0BASE + 2)
    184 #define	BCM2835_INT_TIMER3		(BCM2835_INT_GPU0BASE + 3)
    185 #define	BCM2835_INT_USB			(BCM2835_INT_GPU0BASE + 9)
    186 #define	BCM2835_INT_DMA0		(BCM2835_INT_GPU0BASE + 16)
    187 #define	BCM2835_INT_DMA2		(BCM2835_INT_GPU0BASE + 18)
    188 #define	BCM2835_INT_DMA3		(BCM2835_INT_GPU0BASE + 19)
    189 #define	BCM2835_INT_AUX			(BCM2835_INT_GPU0BASE + 29)
    190 #define	BCM2835_INT_ARM			(BCM2835_INT_GPU0BASE + 30)
    191 
    192 #define	BCM2835_INT_GPU1BASE		(BCM2835_INT_BASE + 32)
    193 #define	BCM2835_INT_GPIO0		(BCM2835_INT_GPU1BASE + 17)
    194 #define	BCM2835_INT_GPIO1		(BCM2835_INT_GPU1BASE + 18)
    195 #define	BCM2835_INT_GPIO2		(BCM2835_INT_GPU1BASE + 19)
    196 #define	BCM2835_INT_GPIO3		(BCM2835_INT_GPU1BASE + 20)
    197 #define	BCM2835_INT_BSC			(BCM2835_INT_GPU1BASE + 21)
    198 #define	BCM2835_INT_SPI0		(BCM2835_INT_GPU1BASE + 22)
    199 #define	BCM2835_INT_PCM			(BCM2835_INT_GPU1BASE + 23)
    200 #define	BCM2835_INT_SDHOST		(BCM2835_INT_GPU1BASE + 24)
    201 #define	BCM2835_INT_UART0		(BCM2835_INT_GPU1BASE + 25)
    202 #define	BCM2835_INT_EMMC		(BCM2835_INT_GPU1BASE + 30)
    203 
    204 #define	BCM2835_INT_BASICBASE		(BCM2835_INT_BASE + 64)
    205 #define	BCM2835_INT_ARMTIMER		(BCM2835_INT_BASICBASE + 0)
    206 #define	BCM2835_INT_ARMMAILBOX		(BCM2835_INT_BASICBASE + 1)
    207 #define	BCM2835_INT_ARMDOORBELL0	(BCM2835_INT_BASICBASE + 2)
    208 #define	BCM2835_INT_ARMDOORBELL1	(BCM2835_INT_BASICBASE + 3)
    209 #define	BCM2835_INT_GPU0HALTED		(BCM2835_INT_BASICBASE + 4)
    210 #define	BCM2835_INT_GPU1HALTED		(BCM2835_INT_BASICBASE + 5)
    211 #define	BCM2835_INT_ILLEGALTYPE0	(BCM2835_INT_BASICBASE + 6)
    212 #define	BCM2835_INT_ILLEGALTYPE1	(BCM2835_INT_BASICBASE + 7)
    213 
    214 
    215 #define	BCM2835_UART0_CLK		3000000
    216 
    217 #define	BCM2836_ARM_LOCAL_VBASE \
    218 	BCM2835_IOPHYSTOVIRT(BCM2836_ARM_LOCAL_BASE)
    219 #define	BCM2836_ARM_LOCAL_BASE		0x40000000
    220 #define	BCM2836_ARM_LOCAL_SIZE		0x00001000	/* 4KBytes */
    221 
    222 #define	BCM2836_LOCAL_CONTROL		0x000
    223 #define	BCM2836_LOCAL_PRESCALER		0x008
    224 #define	BCM2836_LOCAL_GPU_INT_ROUTING	0x00c
    225 #define	BCM2836_LOCAL_PM_ROUTING_SET	0x010
    226 #define	BCM2836_LOCAL_PM_ROUTING_CLR	0x014
    227 #define	BCM2836_LOCAL_TIMER_LS		0x01c
    228 #define	BCM2836_LOCAL_TIMER_MS		0x020
    229 #define	BCM2836_LOCAL_INT_ROUTING	0x024
    230 #define	BCM2836_LOCAL_AXI_COUNT		0x02c
    231 #define	BCM2836_LOCAL_AXI_IRQ		0x030
    232 #define	BCM2836_LOCAL_TIMER_CONTROL	0x034
    233 #define	BCM2836_LOCAL_TIMER_WRITE	0x038
    234 
    235 
    236 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE	0x40
    237 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE	0x50
    238 #define	BCM2836_LOCAL_INTC_IRQPENDING_BASE	0x60
    239 #define	BCM2836_LOCAL_INTC_FIQPENDING_BASE	0x70
    240 
    241 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_SIZE	0x10
    242 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_SIZE	0x10
    243 
    244 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROLN(n)	(BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE + 4*(n))
    245 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROLN(n)	(BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE + 4*(n))
    246 #define	BCM2836_LOCAL_INTC_IRQPENDINGN(n)	(BCM2836_LOCAL_INTC_IRQPENDING_BASE + 4*(n))
    247 #define	BCM2836_LOCAL_INTC_FIQPENDINGN(n)	(BCM2836_LOCAL_INTC_FIQPENDING_BASE + 4*(n))
    248 
    249 #define	BCM2836_LOCAL_MAILBOX0_SETN(n)		(0x80 + 0x10 * (n))
    250 #define	BCM2836_LOCAL_MAILBOX1_SETN(n)		(0x84 + 0x10 * (n))
    251 #define	BCM2836_LOCAL_MAILBOX2_SETN(n)		(0x88 + 0x10 * (n))
    252 #define	BCM2836_LOCAL_MAILBOX3_SETN(n)		(0x8c + 0x10 * (n))
    253 #define	BCM2836_LOCAL_MAILBOX0_CLRN(n)		(0xc0 + 0x10 * (n))
    254 #define	BCM2836_LOCAL_MAILBOX1_CLRN(n)		(0xc4 + 0x10 * (n))
    255 #define	BCM2836_LOCAL_MAILBOX2_CLRN(n)		(0xc8 + 0x10 * (n))
    256 #define	BCM2836_LOCAL_MAILBOX3_CLRN(n)		(0xcc + 0x10 * (n))
    257 
    258 #endif /* _BCM2835REG_H_ */
    259