1/*
2 *  This file contains the hardware definitions of the Integrator.
3 *
4 *  Copyright (C) 1998-1999 ARM Limited.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20#ifndef INTEGRATOR_HARDWARE_H
21#define INTEGRATOR_HARDWARE_H
22
23/*
24 * Where in virtual memory the IO devices (timers, system controllers
25 * and so on)
26 */
27#define IO_BASE			0xF0000000                 // VA of IO
28#define IO_SIZE			0x0B000000                 // How much?
29#define IO_START		INTEGRATOR_HDR_BASE        // PA of IO
30
31/* macro to get at IO space when running virtually */
32#ifdef CONFIG_MMU
33#define IO_ADDRESS(x)	(((x) & 0x000fffff) | (((x) >> 4) & 0x0ff00000) | IO_BASE)
34#else
35#define IO_ADDRESS(x)	(x)
36#endif
37
38#define __io_address(n)		((void __iomem *)IO_ADDRESS(n))
39
40/*
41 *  Integrator memory map
42 */
43#define INTEGRATOR_BOOT_ROM_LO          0x00000000
44#define INTEGRATOR_BOOT_ROM_HI          0x20000000
45#define INTEGRATOR_BOOT_ROM_BASE        INTEGRATOR_BOOT_ROM_HI	 /*  Normal position */
46#define INTEGRATOR_BOOT_ROM_SIZE        SZ_512K
47
48/*
49 * New Core Modules have different amounts of SSRAM, the amount of SSRAM
50 * fitted can be found in HDR_STAT.
51 *
52 * The symbol INTEGRATOR_SSRAM_SIZE is kept, however this now refers to
53 * the minimum amount of SSRAM fitted on any core module.
54 *
55 * New Core Modules also alias the SSRAM.
56 *
57 */
58#define INTEGRATOR_SSRAM_BASE           0x00000000
59#define INTEGRATOR_SSRAM_ALIAS_BASE     0x10800000
60#define INTEGRATOR_SSRAM_SIZE           SZ_256K
61
62#define INTEGRATOR_FLASH_BASE           0x24000000
63#define INTEGRATOR_FLASH_SIZE           SZ_32M
64
65#define INTEGRATOR_MBRD_SSRAM_BASE      0x28000000
66#define INTEGRATOR_MBRD_SSRAM_SIZE      SZ_512K
67
68/*
69 *  SDRAM is a SIMM therefore the size is not known.
70 */
71#define INTEGRATOR_SDRAM_BASE           0x00040000
72
73#define INTEGRATOR_SDRAM_ALIAS_BASE     0x80000000
74#define INTEGRATOR_HDR0_SDRAM_BASE      0x80000000
75#define INTEGRATOR_HDR1_SDRAM_BASE      0x90000000
76#define INTEGRATOR_HDR2_SDRAM_BASE      0xA0000000
77#define INTEGRATOR_HDR3_SDRAM_BASE      0xB0000000
78
79/*
80 *  Logic expansion modules
81 *
82 */
83#define INTEGRATOR_LOGIC_MODULES_BASE   0xC0000000
84#define INTEGRATOR_LOGIC_MODULE0_BASE   0xC0000000
85#define INTEGRATOR_LOGIC_MODULE1_BASE   0xD0000000
86#define INTEGRATOR_LOGIC_MODULE2_BASE   0xE0000000
87#define INTEGRATOR_LOGIC_MODULE3_BASE   0xF0000000
88
89/*
90 * Integrator header card registers
91 */
92#define INTEGRATOR_HDR_ID_OFFSET        0x00
93#define INTEGRATOR_HDR_PROC_OFFSET      0x04
94#define INTEGRATOR_HDR_OSC_OFFSET       0x08
95#define INTEGRATOR_HDR_CTRL_OFFSET      0x0C
96#define INTEGRATOR_HDR_STAT_OFFSET      0x10
97#define INTEGRATOR_HDR_LOCK_OFFSET      0x14
98#define INTEGRATOR_HDR_SDRAM_OFFSET     0x20
99#define INTEGRATOR_HDR_INIT_OFFSET      0x24	 /*  CM9x6 */
100#define INTEGRATOR_HDR_IC_OFFSET        0x40
101#define INTEGRATOR_HDR_SPDBASE_OFFSET   0x100
102#define INTEGRATOR_HDR_SPDTOP_OFFSET    0x200
103
104#define INTEGRATOR_HDR_BASE             0x10000000
105#define INTEGRATOR_HDR_ID               (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_ID_OFFSET)
106#define INTEGRATOR_HDR_PROC             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_PROC_OFFSET)
107#define INTEGRATOR_HDR_OSC              (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_OSC_OFFSET)
108#define INTEGRATOR_HDR_CTRL             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_CTRL_OFFSET)
109#define INTEGRATOR_HDR_STAT             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_STAT_OFFSET)
110#define INTEGRATOR_HDR_LOCK             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_LOCK_OFFSET)
111#define INTEGRATOR_HDR_SDRAM            (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SDRAM_OFFSET)
112#define INTEGRATOR_HDR_INIT             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_INIT_OFFSET)
113#define INTEGRATOR_HDR_IC               (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_IC_OFFSET)
114#define INTEGRATOR_HDR_SPDBASE          (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SPDBASE_OFFSET)
115#define INTEGRATOR_HDR_SPDTOP           (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SPDTOP_OFFSET)
116
117#define INTEGRATOR_HDR_CTRL_LED         0x01
118#define INTEGRATOR_HDR_CTRL_MBRD_DETECH 0x02
119#define INTEGRATOR_HDR_CTRL_REMAP       0x04
120#define INTEGRATOR_HDR_CTRL_RESET       0x08
121#define INTEGRATOR_HDR_CTRL_HIGHVECTORS 0x10
122#define INTEGRATOR_HDR_CTRL_BIG_ENDIAN  0x20
123#define INTEGRATOR_HDR_CTRL_FASTBUS     0x40
124#define INTEGRATOR_HDR_CTRL_SYNC        0x80
125
126#define INTEGRATOR_HDR_OSC_CORE_10MHz   0x102
127#define INTEGRATOR_HDR_OSC_CORE_15MHz   0x107
128#define INTEGRATOR_HDR_OSC_CORE_20MHz   0x10C
129#define INTEGRATOR_HDR_OSC_CORE_25MHz   0x111
130#define INTEGRATOR_HDR_OSC_CORE_30MHz   0x116
131#define INTEGRATOR_HDR_OSC_CORE_35MHz   0x11B
132#define INTEGRATOR_HDR_OSC_CORE_40MHz   0x120
133#define INTEGRATOR_HDR_OSC_CORE_45MHz   0x125
134#define INTEGRATOR_HDR_OSC_CORE_50MHz   0x12A
135#define INTEGRATOR_HDR_OSC_CORE_55MHz   0x12F
136#define INTEGRATOR_HDR_OSC_CORE_60MHz   0x134
137#define INTEGRATOR_HDR_OSC_CORE_65MHz   0x139
138#define INTEGRATOR_HDR_OSC_CORE_70MHz   0x13E
139#define INTEGRATOR_HDR_OSC_CORE_75MHz   0x143
140#define INTEGRATOR_HDR_OSC_CORE_80MHz   0x148
141#define INTEGRATOR_HDR_OSC_CORE_85MHz   0x14D
142#define INTEGRATOR_HDR_OSC_CORE_90MHz   0x152
143#define INTEGRATOR_HDR_OSC_CORE_95MHz   0x157
144#define INTEGRATOR_HDR_OSC_CORE_100MHz  0x15C
145#define INTEGRATOR_HDR_OSC_CORE_105MHz  0x161
146#define INTEGRATOR_HDR_OSC_CORE_110MHz  0x166
147#define INTEGRATOR_HDR_OSC_CORE_115MHz  0x16B
148#define INTEGRATOR_HDR_OSC_CORE_120MHz  0x170
149#define INTEGRATOR_HDR_OSC_CORE_125MHz  0x175
150#define INTEGRATOR_HDR_OSC_CORE_130MHz  0x17A
151#define INTEGRATOR_HDR_OSC_CORE_135MHz  0x17F
152#define INTEGRATOR_HDR_OSC_CORE_140MHz  0x184
153#define INTEGRATOR_HDR_OSC_CORE_145MHz  0x189
154#define INTEGRATOR_HDR_OSC_CORE_150MHz  0x18E
155#define INTEGRATOR_HDR_OSC_CORE_155MHz  0x193
156#define INTEGRATOR_HDR_OSC_CORE_160MHz  0x198
157#define INTEGRATOR_HDR_OSC_CORE_MASK    0x7FF
158
159#define INTEGRATOR_HDR_OSC_MEM_10MHz    0x10C000
160#define INTEGRATOR_HDR_OSC_MEM_15MHz    0x116000
161#define INTEGRATOR_HDR_OSC_MEM_20MHz    0x120000
162#define INTEGRATOR_HDR_OSC_MEM_25MHz    0x12A000
163#define INTEGRATOR_HDR_OSC_MEM_30MHz    0x134000
164#define INTEGRATOR_HDR_OSC_MEM_33MHz    0x13A000
165#define INTEGRATOR_HDR_OSC_MEM_40MHz    0x148000
166#define INTEGRATOR_HDR_OSC_MEM_50MHz    0x15C000
167#define INTEGRATOR_HDR_OSC_MEM_60MHz    0x170000
168#define INTEGRATOR_HDR_OSC_MEM_66MHz    0x17C000
169#define INTEGRATOR_HDR_OSC_MEM_MASK     0x7FF000
170
171#define INTEGRATOR_HDR_OSC_BUS_MODE_CM7x0  0x0
172#define INTEGRATOR_HDR_OSC_BUS_MODE_CM9x0  0x0800000
173#define INTEGRATOR_HDR_OSC_BUS_MODE_CM9x6  0x1000000
174#define INTEGRATOR_HDR_OSC_BUS_MODE_CM10x00  0x1800000
175#define INTEGRATOR_HDR_OSC_BUS_MODE_MASK  0x1800000
176
177#define INTEGRATOR_HDR_SDRAM_SPD_OK     (1 << 5)
178
179/*
180 * Integrator system registers
181 */
182
183/*
184 *  System Controller
185 */
186#define INTEGRATOR_SC_ID_OFFSET         0x00
187#define INTEGRATOR_SC_OSC_OFFSET        0x04
188#define INTEGRATOR_SC_CTRLS_OFFSET      0x08
189#define INTEGRATOR_SC_CTRLC_OFFSET      0x0C
190#define INTEGRATOR_SC_DEC_OFFSET        0x10
191#define INTEGRATOR_SC_ARB_OFFSET        0x14
192#define INTEGRATOR_SC_LOCK_OFFSET       0x1C
193
194#define INTEGRATOR_SC_BASE              0x11000000
195#define INTEGRATOR_SC_ID                (INTEGRATOR_SC_BASE + INTEGRATOR_SC_ID_OFFSET)
196#define INTEGRATOR_SC_OSC               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_OSC_OFFSET)
197#define INTEGRATOR_SC_CTRLS             (INTEGRATOR_SC_BASE + INTEGRATOR_SC_CTRLS_OFFSET)
198#define INTEGRATOR_SC_CTRLC             (INTEGRATOR_SC_BASE + INTEGRATOR_SC_CTRLC_OFFSET)
199#define INTEGRATOR_SC_DEC               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_DEC_OFFSET)
200#define INTEGRATOR_SC_ARB               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_ARB_OFFSET)
201#define INTEGRATOR_SC_PCIENABLE         (INTEGRATOR_SC_BASE + INTEGRATOR_SC_PCIENABLE_OFFSET)
202#define INTEGRATOR_SC_LOCK              (INTEGRATOR_SC_BASE + INTEGRATOR_SC_LOCK_OFFSET)
203
204#define INTEGRATOR_SC_OSC_SYS_10MHz     0x20
205#define INTEGRATOR_SC_OSC_SYS_15MHz     0x34
206#define INTEGRATOR_SC_OSC_SYS_20MHz     0x48
207#define INTEGRATOR_SC_OSC_SYS_25MHz     0x5C
208#define INTEGRATOR_SC_OSC_SYS_33MHz     0x7C
209#define INTEGRATOR_SC_OSC_SYS_MASK      0xFF
210
211#define INTEGRATOR_SC_OSC_PCI_25MHz     0x100
212#define INTEGRATOR_SC_OSC_PCI_33MHz     0x0
213#define INTEGRATOR_SC_OSC_PCI_MASK      0x100
214
215#define INTEGRATOR_SC_CTRL_SOFTRST      (1 << 0)
216#define INTEGRATOR_SC_CTRL_nFLVPPEN     (1 << 1)
217#define INTEGRATOR_SC_CTRL_nFLWP        (1 << 2)
218#define INTEGRATOR_SC_CTRL_URTS0        (1 << 4)
219#define INTEGRATOR_SC_CTRL_UDTR0        (1 << 5)
220#define INTEGRATOR_SC_CTRL_URTS1        (1 << 6)
221#define INTEGRATOR_SC_CTRL_UDTR1        (1 << 7)
222
223/*
224 *  External Bus Interface
225 */
226#define INTEGRATOR_EBI_BASE             0x12000000
227
228#define INTEGRATOR_EBI_CSR0_OFFSET      0x00
229#define INTEGRATOR_EBI_CSR1_OFFSET      0x04
230#define INTEGRATOR_EBI_CSR2_OFFSET      0x08
231#define INTEGRATOR_EBI_CSR3_OFFSET      0x0C
232#define INTEGRATOR_EBI_LOCK_OFFSET      0x20
233
234#define INTEGRATOR_EBI_CSR0             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR0_OFFSET)
235#define INTEGRATOR_EBI_CSR1             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR1_OFFSET)
236#define INTEGRATOR_EBI_CSR2             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR2_OFFSET)
237#define INTEGRATOR_EBI_CSR3             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR3_OFFSET)
238#define INTEGRATOR_EBI_LOCK             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_LOCK_OFFSET)
239
240#define INTEGRATOR_EBI_8_BIT            0x00
241#define INTEGRATOR_EBI_16_BIT           0x01
242#define INTEGRATOR_EBI_32_BIT           0x02
243#define INTEGRATOR_EBI_WRITE_ENABLE     0x04
244#define INTEGRATOR_EBI_SYNC             0x08
245#define INTEGRATOR_EBI_WS_2             0x00
246#define INTEGRATOR_EBI_WS_3             0x10
247#define INTEGRATOR_EBI_WS_4             0x20
248#define INTEGRATOR_EBI_WS_5             0x30
249#define INTEGRATOR_EBI_WS_6             0x40
250#define INTEGRATOR_EBI_WS_7             0x50
251#define INTEGRATOR_EBI_WS_8             0x60
252#define INTEGRATOR_EBI_WS_9             0x70
253#define INTEGRATOR_EBI_WS_10            0x80
254#define INTEGRATOR_EBI_WS_11            0x90
255#define INTEGRATOR_EBI_WS_12            0xA0
256#define INTEGRATOR_EBI_WS_13            0xB0
257#define INTEGRATOR_EBI_WS_14            0xC0
258#define INTEGRATOR_EBI_WS_15            0xD0
259#define INTEGRATOR_EBI_WS_16            0xE0
260#define INTEGRATOR_EBI_WS_17            0xF0
261
262
263#define INTEGRATOR_CT_BASE              0x13000000	 /*  Counter/Timers */
264#define INTEGRATOR_IC_BASE              0x14000000	 /*  Interrupt Controller */
265#define INTEGRATOR_RTC_BASE             0x15000000	 /*  Real Time Clock */
266#define INTEGRATOR_UART0_BASE           0x16000000	 /*  UART 0 */
267#define INTEGRATOR_UART1_BASE           0x17000000	 /*  UART 1 */
268#define INTEGRATOR_KBD_BASE             0x18000000	 /*  Keyboard */
269#define INTEGRATOR_MOUSE_BASE           0x19000000	 /*  Mouse */
270
271/*
272 *  LED's & Switches
273 */
274#define INTEGRATOR_DBG_ALPHA_OFFSET     0x00
275#define INTEGRATOR_DBG_LEDS_OFFSET      0x04
276#define INTEGRATOR_DBG_SWITCH_OFFSET    0x08
277
278#define INTEGRATOR_DBG_BASE             0x1A000000
279#define INTEGRATOR_DBG_ALPHA            (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_ALPHA_OFFSET)
280#define INTEGRATOR_DBG_LEDS             (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_LEDS_OFFSET)
281#define INTEGRATOR_DBG_SWITCH           (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_SWITCH_OFFSET)
282
283#define INTEGRATOR_AP_GPIO_BASE		0x1B000000	/* GPIO */
284
285#define INTEGRATOR_CP_MMC_BASE		0x1C000000	/* MMC */
286#define INTEGRATOR_CP_AACI_BASE		0x1D000000	/* AACI */
287#define INTEGRATOR_CP_ETH_BASE		0xC8000000	/* Ethernet */
288#define INTEGRATOR_CP_GPIO_BASE		0xC9000000	/* GPIO */
289#define INTEGRATOR_CP_SIC_BASE		0xCA000000	/* SIC */
290#define INTEGRATOR_CP_CTL_BASE		0xCB000000	/* CP system control */
291
292/* PS2 Keyboard interface */
293#define KMI0_BASE                       INTEGRATOR_KBD_BASE
294
295/* PS2 Mouse interface */
296#define KMI1_BASE                       INTEGRATOR_MOUSE_BASE
297
298/*
299 * Integrator Interrupt Controllers
300 *
301 *
302 * Offsets from interrupt controller base
303 *
304 * System Controller interrupt controller base is
305 *
306 * 	INTEGRATOR_IC_BASE + (header_number << 6)
307 *
308 * Core Module interrupt controller base is
309 *
310 * 	INTEGRATOR_HDR_IC
311 */
312#define IRQ_STATUS                      0
313#define IRQ_RAW_STATUS                  0x04
314#define IRQ_ENABLE                      0x08
315#define IRQ_ENABLE_SET                  0x08
316#define IRQ_ENABLE_CLEAR                0x0C
317
318#define INT_SOFT_SET                    0x10
319#define INT_SOFT_CLEAR                  0x14
320
321#define FIQ_STATUS                      0x20
322#define FIQ_RAW_STATUS                  0x24
323#define FIQ_ENABLE                      0x28
324#define FIQ_ENABLE_SET                  0x28
325#define FIQ_ENABLE_CLEAR                0x2C
326
327
328/*
329 * LED's
330 */
331#define GREEN_LED                       0x01
332#define YELLOW_LED                      0x02
333#define RED_LED                         0x04
334#define GREEN_LED_2                     0x08
335#define ALL_LEDS                        0x0F
336
337#define LED_BANK                        INTEGRATOR_DBG_LEDS
338
339/*
340 *  Timer definitions
341 *
342 *  Only use timer 1 & 2
343 *  (both run at 24MHz and will need the clock divider set to 16).
344 *
345 *  Timer 0 runs at bus frequency
346 */
347#define INTEGRATOR_TIMER0_BASE          INTEGRATOR_CT_BASE
348#define INTEGRATOR_TIMER1_BASE          (INTEGRATOR_CT_BASE + 0x100)
349#define INTEGRATOR_TIMER2_BASE          (INTEGRATOR_CT_BASE + 0x200)
350
351#define INTEGRATOR_CSR_BASE             0x10000000
352#define INTEGRATOR_CSR_SIZE             0x10000000
353
354#endif /* INTEGRATOR_HARDWARE_H */
355