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