xref: /netbsd/sys/arch/arm/broadcom/bcm2835reg.h (revision 2b2029bc)
1 /*	$NetBSD: bcm2835reg.h,v 1.32 2021/03/08 14:27:45 mlelstv 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	BCM2711_PERIPHERALS_BASE	0xfe000000
48 #define	BCM2836_PERIPHERALS_BASE	0x3f000000
49 #define	BCM2835_PERIPHERALS_BASE	0x20000000
50 #define	BCM283X_PERIPHERALS_SIZE	0x01000000	/* 16MBytes */
51 #define	BCM283X_PERIPHERALS_BASE_BUS	0x7e000000
52 
53 #define	BCM2711_PERIPHERALS_PHYS_TO_BUS(a) \
54     ((a) - BCM2711_PERIPHERALS_BASE + BCM283X_PERIPHERALS_BASE_BUS)
55 #define	BCM2711_PERIPHERALS_BUS_TO_PHYS(a) \
56     ((a) - BCM283X_PERIPHERALS_BASE_BUS + BCM2711_PERIPHERALS_BASE)
57 
58 #define	BCM2836_PERIPHERALS_PHYS_TO_BUS(a) \
59     ((a) - BCM2836_PERIPHERALS_BASE + BCM283X_PERIPHERALS_BASE_BUS)
60 #define	BCM2836_PERIPHERALS_BUS_TO_PHYS(a) \
61     ((a) - BCM283X_PERIPHERALS_BASE_BUS + BCM2836_PERIPHERALS_BASE)
62 
63 #define	BCM2835_PERIPHERALS_PHYS_TO_BUS(a) \
64     ((a) - BCM2835_PERIPHERALS_BASE + BCM283X_PERIPHERALS_BASE_BUS)
65 #define	BCM2835_PERIPHERALS_BUS_TO_PHYS(a) \
66     ((a) - BCM283X_PERIPHERALS_BASE_BUS + BCM2835_PERIPHERALS_BASE)
67 
68 #define	BCM2835_STIMER_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00003000)
69 #define	BCM2835_DMA0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00007000)
70 #define	BCM2835_ARM_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x0000B000)
71 #define	BCM2835_PM_BASE		(BCM283X_PERIPHERALS_BASE_BUS + 0x00100000)
72 #define	BCM2835_CM_BASE  	(BCM283X_PERIPHERALS_BASE_BUS + 0x00101000)
73 #define	BCM2835_RNG_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00104000)
74 #define	BCM2835_GPIO_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00200000)
75 #define	BCM2835_UART0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00201000)
76 #define	BCM2835_SDHOST_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00202000)
77 #define	BCM2835_PCM_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00203000)
78 #define	BCM2835_SPI0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00204000)
79 #define	BCM2835_BSC0_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00205000)
80 #define	BCM2835_PWM_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x0020C000)
81 #define	BCM2835_BSCSPISLV_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00214000)
82 #define	BCM2835_AUX_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00215000)
83 #define	BCM2835_AUX_UART_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00215040)
84 #define	BCM2835_EMMC_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00300000)
85 #define	BCM2835_BSC1_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00804000)
86 #define	BCM2835_BSC2_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00805000)
87 #define	BCM2835_USB_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00980000)
88 #define	BCM2835_DMA15_BASE	(BCM283X_PERIPHERALS_BASE_BUS + 0x00E05000)
89 
90 #define	BCM2835_STIMER_SIZE	0x1c
91 #define	BCM2835_DMA0_SIZE	0x1000
92 #define	BCM2835_ARM_SIZE	0x1000
93 #define	BCM2835_PM_SIZE		0x1000
94 #define	BCM2835_CM_SIZE		0xa8
95 #define	BCM2835_RNG_SIZE	0x1000
96 #define	BCM2835_GPIO_SIZE	0x1000
97 #define	BCM2835_UART0_SIZE	0x90
98 #define	BCM2835_PCM_SIZE	0x1000
99 #define	BCM2835_SPI0_SIZE	0x1000
100 #define	BCM2835_BSC_SIZE	0x1000
101 #define	BCM2835_PWM_SIZE	0x28
102 #define	BCM2835_AUX_SIZE	0x8
103 #define	BCM2835_AUX_UART_SIZE	0x40
104 #define	BCM2835_SDHOST_SIZE	0x1000
105 #define	BCM2835_EMMC_SIZE	0x1000
106 #define	BCM2835_USB_SIZE	0x20000
107 #define	BCM2835_DMA15_SIZE	0x100
108 
109 
110 #define	BCM2835_BUSADDR_CACHE_MASK	0xc0000000
111 #define	BCM2835_BUSADDR_CACHE_COHERENT	0x40000000
112 #define	BCM2835_BUSADDR_CACHE_L1L2	0x00000000
113 #define	BCM2835_BUSADDR_CACHE_L2ONLY	0x80000000
114 #define	BCM2835_BUSADDR_CACHE_DIRECT	0xc0000000
115 
116 #define	BCM2835_ARMICU_BASE	(BCM2835_ARM_BASE + 0x0200)
117 #define	BCM2835_ARMICU_SIZE	0x200
118 
119 #define	BCM2835_VCHIQ_BASE	(BCM2835_ARM_BASE + 0x0800)
120 #define	BCM2835_VCHIQ_SIZE	0x50
121 
122 #define	BCM2835_ARMMBOX_BASE	(BCM2835_ARM_BASE + 0x0880)
123 #define	BCM2835_ARMMBOX_SIZE	0x40
124 
125 #define	BCM2835_INTC_BASE	(0x0)	/* Relative to BCM2835_ARMICU_BASE */
126 
127 #define	BCM2711_SCB_BASE	0xfc000000
128 #define	BCM2711_SCB_SIZE	0x03800000
129 #define	BCM2711_SCB_BASE_BUS	0x7c000000
130 
131 #define	BCM2711_SCB_PHYS_TO_BUS(a) \
132     ((a) - BCM2711_SCB_BASE + BCM2711_SCB_BASE_BUS)
133 #define	BCM2711_SCB_BUS_TO_PHYS(a) \
134     ((a) - BCM2711_SCB_BASE_BUS + BCM2711_SCB_BASE)
135 
136 /* Interrupt controller */
137 #define	BCM2835_INTC_IRQBPENDING	(BCM2835_INTC_BASE + 0x00)	/* IRQ Basic pending */
138 #define	BCM2835_INTC_IRQ1PENDING	(BCM2835_INTC_BASE + 0x04)	/* IRQ pending 1 */
139 #define	BCM2835_INTC_IRQ2PENDING	(BCM2835_INTC_BASE + 0x08)	/* IRQ pending 2 */
140 #define	BCM2835_INTC_FIQCTL		(BCM2835_INTC_BASE + 0x0c)	/* FIQ control */
141 #define	BCM2835_INTC_IRQ1ENABLE		(BCM2835_INTC_BASE + 0x10)	/* Enable IRQs 1 */
142 #define	BCM2835_INTC_IRQ2ENABLE		(BCM2835_INTC_BASE + 0x14)	/* Enable IRQs 2 */
143 #define	BCM2835_INTC_IRQBENABLE		(BCM2835_INTC_BASE + 0x18)	/* Enable Basic IRQs */
144 #define	BCM2835_INTC_IRQ1DISABLE	(BCM2835_INTC_BASE + 0x1c)	/* Disable IRQ 1 */
145 #define	BCM2835_INTC_IRQ2DISABLE	(BCM2835_INTC_BASE + 0x20)	/* Disable IRQ 2 */
146 #define	BCM2835_INTC_IRQBDISABLE	(BCM2835_INTC_BASE + 0x24)	/* Disable Basic IRQs */
147 
148 #define	BCM2835_INTC_ENABLEBASE		(BCM2835_INTC_BASE + 0x10)
149 #define	BCM2835_INTC_DISABLEBASE	(BCM2835_INTC_BASE + 0x1c)
150 
151 #define	BCM2836_NCPUS			4
152 #define	BCM2836_NIRQPERCPU		32
153 
154 #define	BCM2836_INT_CNTPSIRQ		0
155 #define	BCM2836_INT_CNTPNSIRQ		1
156 #define	BCM2836_INT_CNTHPIRQ		2
157 #define	BCM2836_INT_CNTVIRQ		3
158 #define	BCM2836_INT_MAILBOX0		4
159 #define	BCM2836_INT_MAILBOX1		5
160 #define	BCM2836_INT_MAILBOX2		6
161 #define	BCM2836_INT_MAILBOX3		7
162 #define	BCM2836_INT_GPU_FAST		8
163 #define	BCM2836_INT_PMU_FAST		9
164 #define	BCM2836_INT_ZERO		10
165 #define	BCM2836_INT_TIMER		11
166 #define	BCM2836_INT_NLOCAL		12
167 
168 #define	BCM2835_UART0_CLK		3000000
169 
170 #define	BCM2711_ARM_LOCAL_BASE_BUS	0x40000000
171 #define	BCM2711_ARM_LOCAL_BASE		0xff800000
172 #define	BCM2711_ARM_LOCAL_SIZE		0x00100000	/* 1MBytes */
173 
174 #define	BCM2711_ARM_LOCAL_PHYS_TO_BUS(a) \
175     ((a) - BCM2711_ARM_LOCAL_BASE + BCM2711_ARM_LOCAL_BASE_BUS)
176 #define	BCM2711_ARM_LOCAL_BUS_TO_PHYS(a) \
177     ((a) - BCM2711_ARM_LOCAL_BASE_BUS + BCM2711_ARM_LOCAL_BASE)
178 
179 #define	BCM2836_ARM_LOCAL_BASE		0x40000000
180 #define	BCM2836_ARM_LOCAL_SIZE		0x00001000	/* 4KBytes */
181 
182 #define	BCM2836_LOCAL_CONTROL		0x000	/* ARM_CONTROL */
183 #define	BCM2836_LOCAL_PRESCALER		0x008
184 #define	BCM2836_LOCAL_GPU_INT_ROUTING	0x00c	/* CORE_IRQ_CONTROL */
185 #define	BCM2836_LOCAL_PM_ROUTING_SET	0x010	/* PMU_CONTROL_SET */
186 #define	BCM2836_LOCAL_PM_ROUTING_CLR	0x014	/* PMU_CONTROL_CLR */
187 #define	BCM2836_LOCAL_TIMER_LS		0x01c
188 #define	BCM2836_LOCAL_TIMER_MS		0x020
189 #define	BCM2836_LOCAL_INT_ROUTING	0x024	/* PERI_IRQ_ROUTE0 */
190 #define	BCM2836_LOCAL_AXI_COUNT		0x02c
191 #define	BCM2836_LOCAL_AXI_IRQ		0x030	/* AXI_QUIET_TIME */
192 #define	BCM2836_LOCAL_TIMER_CONTROL	0x034
193 #define	BCM2836_LOCAL_TIMER_WRITE	0x038	/* LOCAL_TIMER_IRQ */
194 
195 
196 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE	0x40
197 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE	0x50
198 #define	BCM2836_LOCAL_INTC_IRQPENDING_BASE	0x60
199 #define	BCM2836_LOCAL_INTC_FIQPENDING_BASE	0x70
200 
201 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROL_SIZE	0x10
202 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_SIZE	0x10
203 
204 #define	BCM2836_LOCAL_TIMER_IRQ_CONTROLN(n)	(BCM2836_LOCAL_TIMER_IRQ_CONTROL_BASE + 4*(n))
205 #define	BCM2836_LOCAL_MAILBOX_IRQ_CONTROLN(n)	(BCM2836_LOCAL_MAILBOX_IRQ_CONTROL_BASE + 4*(n))
206 #define	BCM2836_LOCAL_INTC_IRQPENDINGN(n)	(BCM2836_LOCAL_INTC_IRQPENDING_BASE + 4*(n))
207 #define	BCM2836_LOCAL_INTC_FIQPENDINGN(n)	(BCM2836_LOCAL_INTC_FIQPENDING_BASE + 4*(n))
208 
209 #define	BCM2836_LOCAL_MAILBOX0_SETN(n)		(0x80 + 0x10 * (n))
210 #define	BCM2836_LOCAL_MAILBOX1_SETN(n)		(0x84 + 0x10 * (n))
211 #define	BCM2836_LOCAL_MAILBOX2_SETN(n)		(0x88 + 0x10 * (n))
212 #define	BCM2836_LOCAL_MAILBOX3_SETN(n)		(0x8c + 0x10 * (n))
213 #define	BCM2836_LOCAL_MAILBOX0_CLRN(n)		(0xc0 + 0x10 * (n))
214 #define	BCM2836_LOCAL_MAILBOX1_CLRN(n)		(0xc4 + 0x10 * (n))
215 #define	BCM2836_LOCAL_MAILBOX2_CLRN(n)		(0xc8 + 0x10 * (n))
216 #define	BCM2836_LOCAL_MAILBOX3_CLRN(n)		(0xcc + 0x10 * (n))
217 
218 #define	BCM2836_ARM_SMP_BASE		0x00000000
219 #define	BCM2836_ARM_SMP_SIZE		0x00001000	/* 4KBytes */
220 
221 #endif /* _BCM2835REG_H_ */
222