1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  This file contains the hardware definitions of the Integrator.
4  *
5  *  Copyright (C) 1998-1999 ARM Limited.
6  */
7 #ifndef INTEGRATOR_HARDWARE_H
8 #define INTEGRATOR_HARDWARE_H
9 
10 /*
11  * Where in virtual memory the IO devices (timers, system controllers
12  * and so on)
13  */
14 #define IO_BASE			0xF0000000                 // VA of IO
15 #define IO_SIZE			0x0B000000                 // How much?
16 #define IO_START		INTEGRATOR_HDR_BASE        // PA of IO
17 
18 /* macro to get at IO space when running virtually */
19 #define IO_ADDRESS(x)	(((x) & 0x000fffff) | (((x) >> 4) & 0x0ff00000) | IO_BASE)
20 #define __io_address(n)		((void __iomem *)IO_ADDRESS(n))
21 
22 /*
23  *  Integrator memory map
24  */
25 #define INTEGRATOR_BOOT_ROM_LO          0x00000000
26 #define INTEGRATOR_BOOT_ROM_HI          0x20000000
27 #define INTEGRATOR_BOOT_ROM_BASE        INTEGRATOR_BOOT_ROM_HI	 /*  Normal position */
28 #define INTEGRATOR_BOOT_ROM_SIZE        SZ_512K
29 
30 /*
31  * New Core Modules have different amounts of SSRAM, the amount of SSRAM
32  * fitted can be found in HDR_STAT.
33  *
34  * The symbol INTEGRATOR_SSRAM_SIZE is kept, however this now refers to
35  * the minimum amount of SSRAM fitted on any core module.
36  *
37  * New Core Modules also alias the SSRAM.
38  *
39  */
40 #define INTEGRATOR_SSRAM_BASE           0x00000000
41 #define INTEGRATOR_SSRAM_ALIAS_BASE     0x10800000
42 #define INTEGRATOR_SSRAM_SIZE           SZ_256K
43 
44 #define INTEGRATOR_FLASH_BASE           0x24000000
45 #define INTEGRATOR_FLASH_SIZE           SZ_32M
46 
47 #define INTEGRATOR_MBRD_SSRAM_BASE      0x28000000
48 #define INTEGRATOR_MBRD_SSRAM_SIZE      SZ_512K
49 
50 /*
51  *  SDRAM is a SIMM therefore the size is not known.
52  */
53 #define INTEGRATOR_SDRAM_BASE           0x00040000
54 
55 #define INTEGRATOR_SDRAM_ALIAS_BASE     0x80000000
56 #define INTEGRATOR_HDR0_SDRAM_BASE      0x80000000
57 #define INTEGRATOR_HDR1_SDRAM_BASE      0x90000000
58 #define INTEGRATOR_HDR2_SDRAM_BASE      0xA0000000
59 #define INTEGRATOR_HDR3_SDRAM_BASE      0xB0000000
60 
61 /*
62  *  Logic expansion modules
63  *
64  */
65 #define INTEGRATOR_LOGIC_MODULES_BASE   0xC0000000
66 #define INTEGRATOR_LOGIC_MODULE0_BASE   0xC0000000
67 #define INTEGRATOR_LOGIC_MODULE1_BASE   0xD0000000
68 #define INTEGRATOR_LOGIC_MODULE2_BASE   0xE0000000
69 #define INTEGRATOR_LOGIC_MODULE3_BASE   0xF0000000
70 
71 /*
72  * Integrator header card registers
73  */
74 #define INTEGRATOR_HDR_ID_OFFSET        0x00
75 #define INTEGRATOR_HDR_PROC_OFFSET      0x04
76 #define INTEGRATOR_HDR_OSC_OFFSET       0x08
77 #define INTEGRATOR_HDR_CTRL_OFFSET      0x0C
78 #define INTEGRATOR_HDR_STAT_OFFSET      0x10
79 #define INTEGRATOR_HDR_LOCK_OFFSET      0x14
80 #define INTEGRATOR_HDR_SDRAM_OFFSET     0x20
81 #define INTEGRATOR_HDR_INIT_OFFSET      0x24	 /*  CM9x6 */
82 #define INTEGRATOR_HDR_IC_OFFSET        0x40
83 #define INTEGRATOR_HDR_SPDBASE_OFFSET   0x100
84 #define INTEGRATOR_HDR_SPDTOP_OFFSET    0x200
85 
86 #define INTEGRATOR_HDR_BASE             0x10000000
87 #define INTEGRATOR_HDR_ID               (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_ID_OFFSET)
88 #define INTEGRATOR_HDR_PROC             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_PROC_OFFSET)
89 #define INTEGRATOR_HDR_OSC              (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_OSC_OFFSET)
90 #define INTEGRATOR_HDR_CTRL             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_CTRL_OFFSET)
91 #define INTEGRATOR_HDR_STAT             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_STAT_OFFSET)
92 #define INTEGRATOR_HDR_LOCK             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_LOCK_OFFSET)
93 #define INTEGRATOR_HDR_SDRAM            (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SDRAM_OFFSET)
94 #define INTEGRATOR_HDR_INIT             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_INIT_OFFSET)
95 #define INTEGRATOR_HDR_IC               (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_IC_OFFSET)
96 #define INTEGRATOR_HDR_SPDBASE          (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SPDBASE_OFFSET)
97 #define INTEGRATOR_HDR_SPDTOP           (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SPDTOP_OFFSET)
98 
99 #define INTEGRATOR_HDR_CTRL_LED         0x01
100 #define INTEGRATOR_HDR_CTRL_MBRD_DETECH 0x02
101 #define INTEGRATOR_HDR_CTRL_REMAP       0x04
102 #define INTEGRATOR_HDR_CTRL_RESET       0x08
103 #define INTEGRATOR_HDR_CTRL_HIGHVECTORS 0x10
104 #define INTEGRATOR_HDR_CTRL_BIG_ENDIAN  0x20
105 #define INTEGRATOR_HDR_CTRL_FASTBUS     0x40
106 #define INTEGRATOR_HDR_CTRL_SYNC        0x80
107 
108 #define INTEGRATOR_HDR_OSC_CORE_10MHz   0x102
109 #define INTEGRATOR_HDR_OSC_CORE_15MHz   0x107
110 #define INTEGRATOR_HDR_OSC_CORE_20MHz   0x10C
111 #define INTEGRATOR_HDR_OSC_CORE_25MHz   0x111
112 #define INTEGRATOR_HDR_OSC_CORE_30MHz   0x116
113 #define INTEGRATOR_HDR_OSC_CORE_35MHz   0x11B
114 #define INTEGRATOR_HDR_OSC_CORE_40MHz   0x120
115 #define INTEGRATOR_HDR_OSC_CORE_45MHz   0x125
116 #define INTEGRATOR_HDR_OSC_CORE_50MHz   0x12A
117 #define INTEGRATOR_HDR_OSC_CORE_55MHz   0x12F
118 #define INTEGRATOR_HDR_OSC_CORE_60MHz   0x134
119 #define INTEGRATOR_HDR_OSC_CORE_65MHz   0x139
120 #define INTEGRATOR_HDR_OSC_CORE_70MHz   0x13E
121 #define INTEGRATOR_HDR_OSC_CORE_75MHz   0x143
122 #define INTEGRATOR_HDR_OSC_CORE_80MHz   0x148
123 #define INTEGRATOR_HDR_OSC_CORE_85MHz   0x14D
124 #define INTEGRATOR_HDR_OSC_CORE_90MHz   0x152
125 #define INTEGRATOR_HDR_OSC_CORE_95MHz   0x157
126 #define INTEGRATOR_HDR_OSC_CORE_100MHz  0x15C
127 #define INTEGRATOR_HDR_OSC_CORE_105MHz  0x161
128 #define INTEGRATOR_HDR_OSC_CORE_110MHz  0x166
129 #define INTEGRATOR_HDR_OSC_CORE_115MHz  0x16B
130 #define INTEGRATOR_HDR_OSC_CORE_120MHz  0x170
131 #define INTEGRATOR_HDR_OSC_CORE_125MHz  0x175
132 #define INTEGRATOR_HDR_OSC_CORE_130MHz  0x17A
133 #define INTEGRATOR_HDR_OSC_CORE_135MHz  0x17F
134 #define INTEGRATOR_HDR_OSC_CORE_140MHz  0x184
135 #define INTEGRATOR_HDR_OSC_CORE_145MHz  0x189
136 #define INTEGRATOR_HDR_OSC_CORE_150MHz  0x18E
137 #define INTEGRATOR_HDR_OSC_CORE_155MHz  0x193
138 #define INTEGRATOR_HDR_OSC_CORE_160MHz  0x198
139 #define INTEGRATOR_HDR_OSC_CORE_MASK    0x7FF
140 
141 #define INTEGRATOR_HDR_OSC_MEM_10MHz    0x10C000
142 #define INTEGRATOR_HDR_OSC_MEM_15MHz    0x116000
143 #define INTEGRATOR_HDR_OSC_MEM_20MHz    0x120000
144 #define INTEGRATOR_HDR_OSC_MEM_25MHz    0x12A000
145 #define INTEGRATOR_HDR_OSC_MEM_30MHz    0x134000
146 #define INTEGRATOR_HDR_OSC_MEM_33MHz    0x13A000
147 #define INTEGRATOR_HDR_OSC_MEM_40MHz    0x148000
148 #define INTEGRATOR_HDR_OSC_MEM_50MHz    0x15C000
149 #define INTEGRATOR_HDR_OSC_MEM_60MHz    0x170000
150 #define INTEGRATOR_HDR_OSC_MEM_66MHz    0x17C000
151 #define INTEGRATOR_HDR_OSC_MEM_MASK     0x7FF000
152 
153 #define INTEGRATOR_HDR_OSC_BUS_MODE_CM7x0  0x0
154 #define INTEGRATOR_HDR_OSC_BUS_MODE_CM9x0  0x0800000
155 #define INTEGRATOR_HDR_OSC_BUS_MODE_CM9x6  0x1000000
156 #define INTEGRATOR_HDR_OSC_BUS_MODE_CM10x00  0x1800000
157 #define INTEGRATOR_HDR_OSC_BUS_MODE_MASK  0x1800000
158 
159 #define INTEGRATOR_HDR_SDRAM_SPD_OK     (1 << 5)
160 
161 /*
162  * Integrator system registers
163  */
164 
165 /*
166  *  System Controller
167  */
168 #define INTEGRATOR_SC_ID_OFFSET         0x00
169 #define INTEGRATOR_SC_OSC_OFFSET        0x04
170 #define INTEGRATOR_SC_CTRLS_OFFSET      0x08
171 #define INTEGRATOR_SC_CTRLC_OFFSET      0x0C
172 #define INTEGRATOR_SC_DEC_OFFSET        0x10
173 #define INTEGRATOR_SC_ARB_OFFSET        0x14
174 #define INTEGRATOR_SC_LOCK_OFFSET       0x1C
175 
176 #define INTEGRATOR_SC_BASE              0x11000000
177 #define INTEGRATOR_SC_ID                (INTEGRATOR_SC_BASE + INTEGRATOR_SC_ID_OFFSET)
178 #define INTEGRATOR_SC_OSC               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_OSC_OFFSET)
179 #define INTEGRATOR_SC_CTRLS             (INTEGRATOR_SC_BASE + INTEGRATOR_SC_CTRLS_OFFSET)
180 #define INTEGRATOR_SC_CTRLC             (INTEGRATOR_SC_BASE + INTEGRATOR_SC_CTRLC_OFFSET)
181 #define INTEGRATOR_SC_DEC               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_DEC_OFFSET)
182 #define INTEGRATOR_SC_ARB               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_ARB_OFFSET)
183 #define INTEGRATOR_SC_PCIENABLE         (INTEGRATOR_SC_BASE + INTEGRATOR_SC_PCIENABLE_OFFSET)
184 #define INTEGRATOR_SC_LOCK              (INTEGRATOR_SC_BASE + INTEGRATOR_SC_LOCK_OFFSET)
185 
186 #define INTEGRATOR_SC_OSC_SYS_10MHz     0x20
187 #define INTEGRATOR_SC_OSC_SYS_15MHz     0x34
188 #define INTEGRATOR_SC_OSC_SYS_20MHz     0x48
189 #define INTEGRATOR_SC_OSC_SYS_25MHz     0x5C
190 #define INTEGRATOR_SC_OSC_SYS_33MHz     0x7C
191 #define INTEGRATOR_SC_OSC_SYS_MASK      0xFF
192 
193 #define INTEGRATOR_SC_OSC_PCI_25MHz     0x100
194 #define INTEGRATOR_SC_OSC_PCI_33MHz     0x0
195 #define INTEGRATOR_SC_OSC_PCI_MASK      0x100
196 
197 #define INTEGRATOR_SC_CTRL_SOFTRST      (1 << 0)
198 #define INTEGRATOR_SC_CTRL_nFLVPPEN     (1 << 1)
199 #define INTEGRATOR_SC_CTRL_nFLWP        (1 << 2)
200 #define INTEGRATOR_SC_CTRL_URTS0        (1 << 4)
201 #define INTEGRATOR_SC_CTRL_UDTR0        (1 << 5)
202 #define INTEGRATOR_SC_CTRL_URTS1        (1 << 6)
203 #define INTEGRATOR_SC_CTRL_UDTR1        (1 << 7)
204 
205 /*
206  *  External Bus Interface
207  */
208 #define INTEGRATOR_EBI_BASE             0x12000000
209 
210 #define INTEGRATOR_EBI_CSR0_OFFSET      0x00
211 #define INTEGRATOR_EBI_CSR1_OFFSET      0x04
212 #define INTEGRATOR_EBI_CSR2_OFFSET      0x08
213 #define INTEGRATOR_EBI_CSR3_OFFSET      0x0C
214 #define INTEGRATOR_EBI_LOCK_OFFSET      0x20
215 
216 #define INTEGRATOR_EBI_CSR0             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR0_OFFSET)
217 #define INTEGRATOR_EBI_CSR1             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR1_OFFSET)
218 #define INTEGRATOR_EBI_CSR2             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR2_OFFSET)
219 #define INTEGRATOR_EBI_CSR3             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR3_OFFSET)
220 #define INTEGRATOR_EBI_LOCK             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_LOCK_OFFSET)
221 
222 #define INTEGRATOR_EBI_8_BIT            0x00
223 #define INTEGRATOR_EBI_16_BIT           0x01
224 #define INTEGRATOR_EBI_32_BIT           0x02
225 #define INTEGRATOR_EBI_WRITE_ENABLE     0x04
226 #define INTEGRATOR_EBI_SYNC             0x08
227 #define INTEGRATOR_EBI_WS_2             0x00
228 #define INTEGRATOR_EBI_WS_3             0x10
229 #define INTEGRATOR_EBI_WS_4             0x20
230 #define INTEGRATOR_EBI_WS_5             0x30
231 #define INTEGRATOR_EBI_WS_6             0x40
232 #define INTEGRATOR_EBI_WS_7             0x50
233 #define INTEGRATOR_EBI_WS_8             0x60
234 #define INTEGRATOR_EBI_WS_9             0x70
235 #define INTEGRATOR_EBI_WS_10            0x80
236 #define INTEGRATOR_EBI_WS_11            0x90
237 #define INTEGRATOR_EBI_WS_12            0xA0
238 #define INTEGRATOR_EBI_WS_13            0xB0
239 #define INTEGRATOR_EBI_WS_14            0xC0
240 #define INTEGRATOR_EBI_WS_15            0xD0
241 #define INTEGRATOR_EBI_WS_16            0xE0
242 #define INTEGRATOR_EBI_WS_17            0xF0
243 
244 
245 #define INTEGRATOR_CT_BASE              0x13000000	 /*  Counter/Timers */
246 #define INTEGRATOR_IC_BASE              0x14000000	 /*  Interrupt Controller */
247 #define INTEGRATOR_RTC_BASE             0x15000000	 /*  Real Time Clock */
248 #define INTEGRATOR_UART0_BASE           0x16000000	 /*  UART 0 */
249 #define INTEGRATOR_UART1_BASE           0x17000000	 /*  UART 1 */
250 #define INTEGRATOR_KBD_BASE             0x18000000	 /*  Keyboard */
251 #define INTEGRATOR_MOUSE_BASE           0x19000000	 /*  Mouse */
252 
253 /*
254  *  LED's & Switches
255  */
256 #define INTEGRATOR_DBG_ALPHA_OFFSET     0x00
257 #define INTEGRATOR_DBG_LEDS_OFFSET      0x04
258 #define INTEGRATOR_DBG_SWITCH_OFFSET    0x08
259 
260 #define INTEGRATOR_DBG_BASE             0x1A000000
261 #define INTEGRATOR_DBG_ALPHA            (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_ALPHA_OFFSET)
262 #define INTEGRATOR_DBG_LEDS             (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_LEDS_OFFSET)
263 #define INTEGRATOR_DBG_SWITCH           (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_SWITCH_OFFSET)
264 
265 #define INTEGRATOR_AP_GPIO_BASE		0x1B000000	/* GPIO */
266 
267 #define INTEGRATOR_CP_MMC_BASE		0x1C000000	/* MMC */
268 #define INTEGRATOR_CP_AACI_BASE		0x1D000000	/* AACI */
269 #define INTEGRATOR_CP_ETH_BASE		0xC8000000	/* Ethernet */
270 #define INTEGRATOR_CP_GPIO_BASE		0xC9000000	/* GPIO */
271 #define INTEGRATOR_CP_SIC_BASE		0xCA000000	/* SIC */
272 #define INTEGRATOR_CP_CTL_BASE		0xCB000000	/* CP system control */
273 
274 /* PS2 Keyboard interface */
275 #define KMI0_BASE                       INTEGRATOR_KBD_BASE
276 
277 /* PS2 Mouse interface */
278 #define KMI1_BASE                       INTEGRATOR_MOUSE_BASE
279 
280 /*
281  * Integrator Interrupt Controllers
282  *
283  *
284  * Offsets from interrupt controller base
285  *
286  * System Controller interrupt controller base is
287  *
288  * 	INTEGRATOR_IC_BASE + (header_number << 6)
289  *
290  * Core Module interrupt controller base is
291  *
292  * 	INTEGRATOR_HDR_IC
293  */
294 #define IRQ_STATUS                      0
295 #define IRQ_RAW_STATUS                  0x04
296 #define IRQ_ENABLE                      0x08
297 #define IRQ_ENABLE_SET                  0x08
298 #define IRQ_ENABLE_CLEAR                0x0C
299 
300 #define INT_SOFT_SET                    0x10
301 #define INT_SOFT_CLEAR                  0x14
302 
303 #define FIQ_STATUS                      0x20
304 #define FIQ_RAW_STATUS                  0x24
305 #define FIQ_ENABLE                      0x28
306 #define FIQ_ENABLE_SET                  0x28
307 #define FIQ_ENABLE_CLEAR                0x2C
308 
309 
310 /*
311  * LED's
312  */
313 #define GREEN_LED                       0x01
314 #define YELLOW_LED                      0x02
315 #define RED_LED                         0x04
316 #define GREEN_LED_2                     0x08
317 #define ALL_LEDS                        0x0F
318 
319 #define LED_BANK                        INTEGRATOR_DBG_LEDS
320 
321 /*
322  *  Timer definitions
323  *
324  *  Only use timer 1 & 2
325  *  (both run at 24MHz and will need the clock divider set to 16).
326  *
327  *  Timer 0 runs at bus frequency
328  */
329 #define INTEGRATOR_TIMER0_BASE          INTEGRATOR_CT_BASE
330 #define INTEGRATOR_TIMER1_BASE          (INTEGRATOR_CT_BASE + 0x100)
331 #define INTEGRATOR_TIMER2_BASE          (INTEGRATOR_CT_BASE + 0x200)
332 
333 #define INTEGRATOR_CSR_BASE             0x10000000
334 #define INTEGRATOR_CSR_SIZE             0x10000000
335 
336 #endif /* INTEGRATOR_HARDWARE_H */
337