[ARM] Add support for ARM RealView board
[linux-2.6-block.git] / include / asm-arm / arch-realview / platform.h
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1/*
2 * linux/include/asm-arm/arch-realview/platform.h
3 *
4 * Copyright (c) ARM Limited 2003. All rights reserved.
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
21#ifndef __address_h
22#define __address_h 1
23
24/*
25 * Memory definitions
26 */
27#define REALVIEW_BOOT_ROM_LO 0x30000000 /* DoC Base (64Mb)...*/
28#define REALVIEW_BOOT_ROM_HI 0x30000000
29#define REALVIEW_BOOT_ROM_BASE REALVIEW_BOOT_ROM_HI /* Normal position */
30#define REALVIEW_BOOT_ROM_SIZE SZ_64M
31
32#define REALVIEW_SSRAM_BASE /* REALVIEW_SSMC_BASE ? */
33#define REALVIEW_SSRAM_SIZE SZ_2M
34
35#define REALVIEW_FLASH_BASE 0x40000000
36#define REALVIEW_FLASH_SIZE SZ_64M
37
38/*
39 * SDRAM
40 */
41#define REALVIEW_SDRAM_BASE 0x00000000
42
43/*
44 * Logic expansion modules
45 *
46 */
47
48
49/* ------------------------------------------------------------------------
50 * RealView Registers
51 * ------------------------------------------------------------------------
52 *
53 */
54#define REALVIEW_SYS_ID_OFFSET 0x00
55#define REALVIEW_SYS_SW_OFFSET 0x04
56#define REALVIEW_SYS_LED_OFFSET 0x08
57#define REALVIEW_SYS_OSC0_OFFSET 0x0C
58
59#define REALVIEW_SYS_OSC1_OFFSET 0x10
60#define REALVIEW_SYS_OSC2_OFFSET 0x14
61#define REALVIEW_SYS_OSC3_OFFSET 0x18
62#define REALVIEW_SYS_OSC4_OFFSET 0x1C /* OSC1 for RealView/AB */
63
64#define REALVIEW_SYS_LOCK_OFFSET 0x20
65#define REALVIEW_SYS_100HZ_OFFSET 0x24
66#define REALVIEW_SYS_CFGDATA1_OFFSET 0x28
67#define REALVIEW_SYS_CFGDATA2_OFFSET 0x2C
68#define REALVIEW_SYS_FLAGS_OFFSET 0x30
69#define REALVIEW_SYS_FLAGSSET_OFFSET 0x30
70#define REALVIEW_SYS_FLAGSCLR_OFFSET 0x34
71#define REALVIEW_SYS_NVFLAGS_OFFSET 0x38
72#define REALVIEW_SYS_NVFLAGSSET_OFFSET 0x38
73#define REALVIEW_SYS_NVFLAGSCLR_OFFSET 0x3C
74#define REALVIEW_SYS_RESETCTL_OFFSET 0x40
75#define REALVIEW_SYS_PCICTL_OFFSET 0x44
76#define REALVIEW_SYS_MCI_OFFSET 0x48
77#define REALVIEW_SYS_FLASH_OFFSET 0x4C
78#define REALVIEW_SYS_CLCD_OFFSET 0x50
79#define REALVIEW_SYS_CLCDSER_OFFSET 0x54
80#define REALVIEW_SYS_BOOTCS_OFFSET 0x58
81#define REALVIEW_SYS_24MHz_OFFSET 0x5C
82#define REALVIEW_SYS_MISC_OFFSET 0x60
83#define REALVIEW_SYS_IOSEL_OFFSET 0x70
84#define REALVIEW_SYS_TEST_OSC0_OFFSET 0x80
85#define REALVIEW_SYS_TEST_OSC1_OFFSET 0x84
86#define REALVIEW_SYS_TEST_OSC2_OFFSET 0x88
87#define REALVIEW_SYS_TEST_OSC3_OFFSET 0x8C
88#define REALVIEW_SYS_TEST_OSC4_OFFSET 0x90
89
90#define REALVIEW_SYS_BASE 0x10000000
91#define REALVIEW_SYS_ID (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
92#define REALVIEW_SYS_SW (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
93#define REALVIEW_SYS_LED (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
94#define REALVIEW_SYS_OSC0 (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
95#define REALVIEW_SYS_OSC1 (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
96
97#define REALVIEW_SYS_LOCK (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
98#define REALVIEW_SYS_100HZ (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
99#define REALVIEW_SYS_CFGDATA1 (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
100#define REALVIEW_SYS_CFGDATA2 (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
101#define REALVIEW_SYS_FLAGS (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
102#define REALVIEW_SYS_FLAGSSET (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
103#define REALVIEW_SYS_FLAGSCLR (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
104#define REALVIEW_SYS_NVFLAGS (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
105#define REALVIEW_SYS_NVFLAGSSET (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
106#define REALVIEW_SYS_NVFLAGSCLR (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
107#define REALVIEW_SYS_RESETCTL (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
108#define REALVIEW_SYS_PCICTL (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
109#define REALVIEW_SYS_MCI (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
110#define REALVIEW_SYS_FLASH (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
111#define REALVIEW_SYS_CLCD (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
112#define REALVIEW_SYS_CLCDSER (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
113#define REALVIEW_SYS_BOOTCS (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
114#define REALVIEW_SYS_24MHz (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
115#define REALVIEW_SYS_MISC (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
116#define REALVIEW_SYS_IOSEL (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
117#define REALVIEW_SYS_TEST_OSC0 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
118#define REALVIEW_SYS_TEST_OSC1 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
119#define REALVIEW_SYS_TEST_OSC2 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
120#define REALVIEW_SYS_TEST_OSC3 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
121#define REALVIEW_SYS_TEST_OSC4 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
122
123/*
124 * Values for REALVIEW_SYS_RESET_CTRL
125 */
126#define REALVIEW_SYS_CTRL_RESET_CONFIGCLR 0x01
127#define REALVIEW_SYS_CTRL_RESET_CONFIGINIT 0x02
128#define REALVIEW_SYS_CTRL_RESET_DLLRESET 0x03
129#define REALVIEW_SYS_CTRL_RESET_PLLRESET 0x04
130#define REALVIEW_SYS_CTRL_RESET_POR 0x05
131#define REALVIEW_SYS_CTRL_RESET_DoC 0x06
132
133#define REALVIEW_SYS_CTRL_LED (1 << 0)
134
135
136/* ------------------------------------------------------------------------
137 * RealView control registers
138 * ------------------------------------------------------------------------
139 */
140
141/*
142 * REALVIEW_IDFIELD
143 *
144 * 31:24 = manufacturer (0x41 = ARM)
145 * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
146 * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
147 * 11:4 = build value
148 * 3:0 = revision number (0x1 = rev B (AHB))
149 */
150
151/*
152 * REALVIEW_SYS_LOCK
153 * control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL,
154 * SYS_CLD, SYS_BOOTCS
155 */
156#define REALVIEW_SYS_LOCK_LOCKED (1 << 16)
157#define REALVIEW_SYS_LOCKVAL_MASK 0xFFFF /* write 0xA05F to enable write access */
158
159/*
160 * REALVIEW_SYS_FLASH
161 */
162#define REALVIEW_FLASHPROG_FLVPPEN (1 << 0) /* Enable writing to flash */
163
164/*
165 * REALVIEW_INTREG
166 * - used to acknowledge and control MMCI and UART interrupts
167 */
168#define REALVIEW_INTREG_WPROT 0x00 /* MMC protection status (no interrupt generated) */
169#define REALVIEW_INTREG_RI0 0x01 /* Ring indicator UART0 is asserted, */
170#define REALVIEW_INTREG_CARDIN 0x08 /* MMCI card in detect */
171 /* write 1 to acknowledge and clear */
172#define REALVIEW_INTREG_RI1 0x02 /* Ring indicator UART1 is asserted, */
173#define REALVIEW_INTREG_CARDINSERT 0x03 /* Signal insertion of MMC card */
174
175/*
176 * REALVIEW peripheral addresses
177 */
178#define REALVIEW_SCTL_BASE 0x10001000 /* System controller */
179#define REALVIEW_I2C_BASE 0x10002000 /* I2C control */
180 /* Reserved 0x10003000 */
181#define REALVIEW_AACI_BASE 0x10004000 /* Audio */
182#define REALVIEW_MMCI0_BASE 0x10005000 /* MMC interface */
183#define REALVIEW_KMI0_BASE 0x10006000 /* KMI interface */
184#define REALVIEW_KMI1_BASE 0x10007000 /* KMI 2nd interface */
185#define REALVIEW_CHAR_LCD_BASE 0x10008000 /* Character LCD */
186#define REALVIEW_UART0_BASE 0x10009000 /* UART 0 */
187#define REALVIEW_UART1_BASE 0x1000A000 /* UART 1 */
188#define REALVIEW_UART2_BASE 0x1000B000 /* UART 2 */
189#define REALVIEW_UART3_BASE 0x1000C000 /* UART 3 */
190#define REALVIEW_SSP_BASE 0x1000D000 /* Synchronous Serial Port */
191#define REALVIEW_SCI_BASE 0x1000E000 /* Smart card controller */
192 /* Reserved 0x1000F000 */
193#define REALVIEW_WATCHDOG_BASE 0x10010000 /* watchdog interface */
194#define REALVIEW_TIMER0_1_BASE 0x10011000 /* Timer 0 and 1 */
195#define REALVIEW_TIMER2_3_BASE 0x10012000 /* Timer 2 and 3 */
196#define REALVIEW_GPIO0_BASE 0x10013000 /* GPIO port 0 */
197#define REALVIEW_GPIO1_BASE 0x10014000 /* GPIO port 1 */
198#define REALVIEW_GPIO2_BASE 0x10015000 /* GPIO port 2 */
199 /* Reserved 0x10016000 */
200#define REALVIEW_RTC_BASE 0x10017000 /* Real Time Clock */
201#define REALVIEW_DMC_BASE 0x10018000 /* DMC configuration */
202#define REALVIEW_PCI_CORE_BASE 0x10019000 /* PCI configuration */
203 /* Reserved 0x1001A000 - 0x1001FFFF */
204#define REALVIEW_CLCD_BASE 0x10020000 /* CLCD */
205#define REALVIEW_DMAC_BASE 0x10030000 /* DMA controller */
206#define REALVIEW_GIC_CPU_BASE 0x10040000 /* Generic interrupt controller CPU interface */
207#define REALVIEW_GIC_DIST_BASE 0x10041000 /* Generic interrupt controller distributor */
208#define REALVIEW_SMC_BASE 0x10080000 /* SMC */
209 /* Reserved 0x10090000 - 0x100EFFFF */
210
211#define REALVIEW_ETH_BASE 0x4E000000 /* Ethernet */
212
213/* PCI space */
214#define REALVIEW_PCI_BASE 0x41000000 /* PCI Interface */
215#define REALVIEW_PCI_CFG_BASE 0x42000000
216#define REALVIEW_PCI_MEM_BASE0 0x44000000
217#define REALVIEW_PCI_MEM_BASE1 0x50000000
218#define REALVIEW_PCI_MEM_BASE2 0x60000000
219/* Sizes of above maps */
220#define REALVIEW_PCI_BASE_SIZE 0x01000000
221#define REALVIEW_PCI_CFG_BASE_SIZE 0x02000000
222#define REALVIEW_PCI_MEM_BASE0_SIZE 0x0c000000 /* 32Mb */
223#define REALVIEW_PCI_MEM_BASE1_SIZE 0x10000000 /* 256Mb */
224#define REALVIEW_PCI_MEM_BASE2_SIZE 0x10000000 /* 256Mb */
225
226#define REALVIEW_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */
227#define REALVIEW_LT_BASE 0x80000000 /* Logic Tile expansion */
228
229/*
230 * Disk on Chip
231 */
232#define REALVIEW_DOC_BASE 0x2C000000
233#define REALVIEW_DOC_SIZE (16 << 20)
234#define REALVIEW_DOC_PAGE_SIZE 512
235#define REALVIEW_DOC_TOTAL_PAGES (DOC_SIZE / PAGE_SIZE)
236
237#define ERASE_UNIT_PAGES 32
238#define START_PAGE 0x80
239
240/*
241 * LED settings, bits [7:0]
242 */
243#define REALVIEW_SYS_LED0 (1 << 0)
244#define REALVIEW_SYS_LED1 (1 << 1)
245#define REALVIEW_SYS_LED2 (1 << 2)
246#define REALVIEW_SYS_LED3 (1 << 3)
247#define REALVIEW_SYS_LED4 (1 << 4)
248#define REALVIEW_SYS_LED5 (1 << 5)
249#define REALVIEW_SYS_LED6 (1 << 6)
250#define REALVIEW_SYS_LED7 (1 << 7)
251
252#define ALL_LEDS 0xFF
253
254#define LED_BANK REALVIEW_SYS_LED
255
256/*
257 * Control registers
258 */
259#define REALVIEW_IDFIELD_OFFSET 0x0 /* RealView build information */
260#define REALVIEW_FLASHPROG_OFFSET 0x4 /* Flash devices */
261#define REALVIEW_INTREG_OFFSET 0x8 /* Interrupt control */
262#define REALVIEW_DECODE_OFFSET 0xC /* Fitted logic modules */
263
264/* ------------------------------------------------------------------------
265 * Interrupts - bit assignment (primary)
266 * ------------------------------------------------------------------------
267 */
268#define INT_WDOGINT 0 /* Watchdog timer */
269#define INT_SOFTINT 1 /* Software interrupt */
270#define INT_COMMRx 2 /* Debug Comm Rx interrupt */
271#define INT_COMMTx 3 /* Debug Comm Tx interrupt */
272#define INT_TIMERINT0_1 4 /* Timer 0 and 1 */
273#define INT_TIMERINT2_3 5 /* Timer 2 and 3 */
274#define INT_GPIOINT0 6 /* GPIO 0 */
275#define INT_GPIOINT1 7 /* GPIO 1 */
276#define INT_GPIOINT2 8 /* GPIO 2 */
277/* 9 reserved */
278#define INT_RTCINT 10 /* Real Time Clock */
279#define INT_SSPINT 11 /* Synchronous Serial Port */
280#define INT_UARTINT0 12 /* UART 0 on development chip */
281#define INT_UARTINT1 13 /* UART 1 on development chip */
282#define INT_UARTINT2 14 /* UART 2 on development chip */
283#define INT_UARTINT3 15 /* UART 3 on development chip */
284#define INT_SCIINT 16 /* Smart Card Interface */
285#define INT_MMCI0A 17 /* Multimedia Card 0A */
286#define INT_MMCI0B 18 /* Multimedia Card 0B */
287#define INT_AACI 19 /* Audio Codec */
288#define INT_KMI0 20 /* Keyboard/Mouse port 0 */
289#define INT_KMI1 21 /* Keyboard/Mouse port 1 */
290#define INT_CHARLCD 22 /* Character LCD */
291#define INT_CLCDINT 23 /* CLCD controller */
292#define INT_DMAINT 24 /* DMA controller */
293#define INT_PWRFAILINT 25 /* Power failure */
294#define INT_PISMO 26
295#define INT_DoC 27 /* Disk on Chip memory controller */
296#define INT_ETH 28 /* Ethernet controller */
297#define INT_USB 29 /* USB controller */
298#define INT_TSPENINT 30 /* Touchscreen pen */
299#define INT_TSKPADINT 31 /* Touchscreen keypad */
300
301/*
302 * Interrupt bit positions
303 *
304 */
305#define INTMASK_WDOGINT (1 << INT_WDOGINT)
306#define INTMASK_SOFTINT (1 << INT_SOFTINT)
307#define INTMASK_COMMRx (1 << INT_COMMRx)
308#define INTMASK_COMMTx (1 << INT_COMMTx)
309#define INTMASK_TIMERINT0_1 (1 << INT_TIMERINT0_1)
310#define INTMASK_TIMERINT2_3 (1 << INT_TIMERINT2_3)
311#define INTMASK_GPIOINT0 (1 << INT_GPIOINT0)
312#define INTMASK_GPIOINT1 (1 << INT_GPIOINT1)
313#define INTMASK_GPIOINT2 (1 << INT_GPIOINT2)
314#define INTMASK_RTCINT (1 << INT_RTCINT)
315#define INTMASK_SSPINT (1 << INT_SSPINT)
316#define INTMASK_UARTINT0 (1 << INT_UARTINT0)
317#define INTMASK_UARTINT1 (1 << INT_UARTINT1)
318#define INTMASK_UARTINT2 (1 << INT_UARTINT2)
319#define INTMASK_UARTINT3 (1 << INT_UARTINT3)
320#define INTMASK_SCIINT (1 << INT_SCIINT)
321#define INTMASK_MMCI0A (1 << INT_MMCI0A)
322#define INTMASK_MMCI0B (1 << INT_MMCI0B)
323#define INTMASK_AACI (1 << INT_AACI)
324#define INTMASK_KMI0 (1 << INT_KMI0)
325#define INTMASK_KMI1 (1 << INT_KMI1)
326#define INTMASK_CHARLCD (1 << INT_CHARLCD)
327#define INTMASK_CLCDINT (1 << INT_CLCDINT)
328#define INTMASK_DMAINT (1 << INT_DMAINT)
329#define INTMASK_PWRFAILINT (1 << INT_PWRFAILINT)
330#define INTMASK_PISMO (1 << INT_PISMO)
331#define INTMASK_DoC (1 << INT_DoC)
332#define INTMASK_ETH (1 << INT_ETH)
333#define INTMASK_USB (1 << INT_USB)
334#define INTMASK_TSPENINT (1 << INT_TSPENINT)
335#define INTMASK_TSKPADINT (1 << INT_TSKPADINT)
336
337#define MAXIRQNUM 31
338#define MAXFIQNUM 31
339#define MAXSWINUM 31
340
341/*
342 * Application Flash
343 *
344 */
345#define FLASH_BASE REALVIEW_FLASH_BASE
346#define FLASH_SIZE REALVIEW_FLASH_SIZE
347#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1)
348#define FLASH_BLOCK_SIZE SZ_128K
349
350/*
351 * Boot Flash
352 *
353 */
354#define EPROM_BASE REALVIEW_BOOT_ROM_HI
355#define EPROM_SIZE REALVIEW_BOOT_ROM_SIZE
356#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1)
357
358/*
359 * Clean base - dummy
360 *
361 */
362#define CLEAN_BASE EPROM_BASE
363
364/*
365 * System controller bit assignment
366 */
367#define REALVIEW_REFCLK 0
368#define REALVIEW_TIMCLK 1
369
370#define REALVIEW_TIMER1_EnSel 15
371#define REALVIEW_TIMER2_EnSel 17
372#define REALVIEW_TIMER3_EnSel 19
373#define REALVIEW_TIMER4_EnSel 21
374
375
376#define MAX_TIMER 2
377#define MAX_PERIOD 699050
378#define TICKS_PER_uSEC 1
379
380/*
381 * These are useconds NOT ticks.
382 *
383 */
384#define mSEC_1 1000
385#define mSEC_5 (mSEC_1 * 5)
386#define mSEC_10 (mSEC_1 * 10)
387#define mSEC_25 (mSEC_1 * 25)
388#define SEC_1 (mSEC_1 * 1000)
389
390#define REALVIEW_CSR_BASE 0x10000000
391#define REALVIEW_CSR_SIZE 0x10000000
392
393#endif
394
395/* END */