summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/hardware/iop3xx.h
blob: 02fe2fbe2477078b4fa8da59c6f2a416fdb71913 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
/*
 * arch/arm/include/asm/hardware/iop3xx.h
 *
 * Intel IOP32X and IOP33X register definitions
 *
 * Author: Rory Bolt <rorybolt@pacbell.net>
 * Copyright (C) 2002 Rory Bolt
 * Copyright (C) 2004 Intel Corp.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __IOP3XX_H
#define __IOP3XX_H

/*
 * IOP3XX GPIO handling
 */
#define GPIO_IN			0
#define GPIO_OUT		1
#define GPIO_LOW		0
#define GPIO_HIGH		1
#define IOP3XX_GPIO_LINE(x)	(x)

#ifndef __ASSEMBLY__
extern void gpio_line_config(int line, int direction);
extern int  gpio_line_get(int line);
extern void gpio_line_set(int line, int value);
extern int init_atu;
extern int iop3xx_get_init_atu(void);
#endif


/*
 * IOP3XX processor registers
 */
#define IOP3XX_PERIPHERAL_PHYS_BASE	0xffffe000
#define IOP3XX_PERIPHERAL_VIRT_BASE	0xfeffe000
#define IOP3XX_PERIPHERAL_SIZE		0x00002000
#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
					IOP3XX_PERIPHERAL_SIZE - 1)
#define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
					IOP3XX_PERIPHERAL_SIZE - 1)
#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\
					(IOP3XX_PERIPHERAL_PHYS_BASE\
					- IOP3XX_PERIPHERAL_VIRT_BASE))
#define IOP3XX_REG_ADDR(reg)		(IOP3XX_PERIPHERAL_VIRT_BASE + (reg))

/* Address Translation Unit  */
#define IOP3XX_ATUVID		(volatile u16 *)IOP3XX_REG_ADDR(0x0100)
#define IOP3XX_ATUDID		(volatile u16 *)IOP3XX_REG_ADDR(0x0102)
#define IOP3XX_ATUCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x0104)
#define IOP3XX_ATUSR		(volatile u16 *)IOP3XX_REG_ADDR(0x0106)
#define IOP3XX_ATURID		(volatile u8  *)IOP3XX_REG_ADDR(0x0108)
#define IOP3XX_ATUCCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0109)
#define IOP3XX_ATUCLSR		(volatile u8  *)IOP3XX_REG_ADDR(0x010c)
#define IOP3XX_ATULT		(volatile u8  *)IOP3XX_REG_ADDR(0x010d)
#define IOP3XX_ATUHTR		(volatile u8  *)IOP3XX_REG_ADDR(0x010e)
#define IOP3XX_ATUBIST		(volatile u8  *)IOP3XX_REG_ADDR(0x010f)
#define IOP3XX_IABAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0110)
#define IOP3XX_IAUBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0114)
#define IOP3XX_IABAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0118)
#define IOP3XX_IAUBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x011c)
#define IOP3XX_IABAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0120)
#define IOP3XX_IAUBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0124)
#define IOP3XX_ASVIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012c)
#define IOP3XX_ASIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012e)
#define IOP3XX_ERBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0130)
#define IOP3XX_ATUILR		(volatile u8  *)IOP3XX_REG_ADDR(0x013c)
#define IOP3XX_ATUIPR		(volatile u8  *)IOP3XX_REG_ADDR(0x013d)
#define IOP3XX_ATUMGNT		(volatile u8  *)IOP3XX_REG_ADDR(0x013e)
#define IOP3XX_ATUMLAT		(volatile u8  *)IOP3XX_REG_ADDR(0x013f)
#define IOP3XX_IALR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0140)
#define IOP3XX_IATVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0144)
#define IOP3XX_ERLR		(volatile u32 *)IOP3XX_REG_ADDR(0x0148)
#define IOP3XX_ERTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x014c)
#define IOP3XX_IALR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0150)
#define IOP3XX_IALR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0154)
#define IOP3XX_IATVR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0158)
#define IOP3XX_OIOWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x015c)
#define IOP3XX_OMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0160)
#define IOP3XX_OUMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0164)
#define IOP3XX_OMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0168)
#define IOP3XX_OUMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x016c)
#define IOP3XX_OUDWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x0178)
#define IOP3XX_ATUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0180)
#define IOP3XX_PCSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0184)
#define IOP3XX_ATUISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0188)
#define IOP3XX_ATUIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x018c)
#define IOP3XX_IABAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0190)
#define IOP3XX_IAUBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0194)
#define IOP3XX_IALR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0198)
#define IOP3XX_IATVR3		(volatile u32 *)IOP3XX_REG_ADDR(0x019c)
#define IOP3XX_OCCAR		(volatile u32 *)IOP3XX_REG_ADDR(0x01a4)
#define IOP3XX_OCCDR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ac)
#define IOP3XX_PDSCR		(volatile u32 *)IOP3XX_REG_ADDR(0x01bc)
#define IOP3XX_PMCAPID		(volatile u8  *)IOP3XX_REG_ADDR(0x01c0)
#define IOP3XX_PMNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01c1)
#define IOP3XX_APMCR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c2)
#define IOP3XX_APMCSR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c4)
#define IOP3XX_PCIXCAPID	(volatile u8  *)IOP3XX_REG_ADDR(0x01e0)
#define IOP3XX_PCIXNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01e1)
#define IOP3XX_PCIXCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
#define IOP3XX_PCIXSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
#define IOP3XX_PCIIRSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
#define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15)
#define IOP3XX_PCSR_IN_Q_BUSY	(1 << 14)
#define IOP3XX_ATUCR_OUT_EN	(1 << 1)

#define IOP3XX_INIT_ATU_DEFAULT 0
#define IOP3XX_INIT_ATU_DISABLE -1
#define IOP3XX_INIT_ATU_ENABLE	 1

/* Messaging Unit  */
#define IOP3XX_IMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0310)
#define IOP3XX_IMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0314)
#define IOP3XX_OMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0318)
#define IOP3XX_OMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x031c)
#define IOP3XX_IDR		(volatile u32 *)IOP3XX_REG_ADDR(0x0320)
#define IOP3XX_IISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0324)
#define IOP3XX_IIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0328)
#define IOP3XX_ODR		(volatile u32 *)IOP3XX_REG_ADDR(0x032c)
#define IOP3XX_OISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0330)
#define IOP3XX_OIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0334)
#define IOP3XX_MUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0350)
#define IOP3XX_QBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0354)
#define IOP3XX_IFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0360)
#define IOP3XX_IFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0364)
#define IOP3XX_IPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0368)
#define IOP3XX_IPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x036c)
#define IOP3XX_OFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0370)
#define IOP3XX_OFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0374)
#define IOP3XX_OPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0378)
#define IOP3XX_OPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x037c)
#define IOP3XX_IAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0380)

/* DMA Controller  */
#define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \
					(0x400 + (chan << 6)))
#define IOP3XX_DMA_UPPER_PA(chan)  (IOP3XX_DMA_PHYS_BASE(chan) + 0x27)

/* Peripheral bus interface  */
#define IOP3XX_PBCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0680)
#define IOP3XX_PBISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0684)
#define IOP3XX_PBBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0688)
#define IOP3XX_PBLR0		(volatile u32 *)IOP3XX_REG_ADDR(0x068c)
#define IOP3XX_PBBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0690)
#define IOP3XX_PBLR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0694)
#define IOP3XX_PBBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0698)
#define IOP3XX_PBLR2		(volatile u32 *)IOP3XX_REG_ADDR(0x069c)
#define IOP3XX_PBBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a0)
#define IOP3XX_PBLR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a4)
#define IOP3XX_PBBAR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06a8)
#define IOP3XX_PBLR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06ac)
#define IOP3XX_PBBAR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b0)
#define IOP3XX_PBLR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b4)
#define IOP3XX_PMBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x06c0)
#define IOP3XX_PMBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x06e0)
#define IOP3XX_PMBR2		(volatile u32 *)IOP3XX_REG_ADDR(0x06e4)

/* Peripheral performance monitoring unit  */
#define IOP3XX_GTMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0700)
#define IOP3XX_ESR		(volatile u32 *)IOP3XX_REG_ADDR(0x0704)
#define IOP3XX_EMISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0708)
#define IOP3XX_GTSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
/* PERCR0 DOESN'T EXIST - index from 1! */
#define IOP3XX_PERCR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)

/* General Purpose I/O  */
#define IOP3XX_GPOE		(volatile u32 *)IOP3XX_GPIO_REG(0x0000)
#define IOP3XX_GPID		(volatile u32 *)IOP3XX_GPIO_REG(0x0004)
#define IOP3XX_GPOD		(volatile u32 *)IOP3XX_GPIO_REG(0x0008)

/* Timers  */
#define IOP3XX_TU_TMR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0000)
#define IOP3XX_TU_TMR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0004)
#define IOP3XX_TU_TCR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0008)
#define IOP3XX_TU_TCR1		(volatile u32 *)IOP3XX_TIMER_REG(0x000c)
#define IOP3XX_TU_TRR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0010)
#define IOP3XX_TU_TRR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0014)
#define IOP3XX_TU_TISR		(volatile u32 *)IOP3XX_TIMER_REG(0x0018)
#define IOP3XX_TU_WDTCR		(volatile u32 *)IOP3XX_TIMER_REG(0x001c)
#define IOP_TMR_EN	    0x02
#define IOP_TMR_RELOAD	    0x04
#define IOP_TMR_PRIVILEGED 0x08
#define IOP_TMR_RATIO_1_1  0x00

/* Watchdog timer definitions */
#define IOP_WDTCR_EN_ARM        0x1e1e1e1e
#define IOP_WDTCR_EN            0xe1e1e1e1
/* iop3xx does not support stopping the watchdog, so we just re-arm */
#define IOP_WDTCR_DIS_ARM	(IOP_WDTCR_EN_ARM)
#define IOP_WDTCR_DIS		(IOP_WDTCR_EN)

/* Application accelerator unit  */
#define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800)
#define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7)

/* I2C bus interface unit  */
#define IOP3XX_ICR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1680)
#define IOP3XX_ISR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1684)
#define IOP3XX_ISAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1688)
#define IOP3XX_IDBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x168c)
#define IOP3XX_IBMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1694)
#define IOP3XX_ICR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
#define IOP3XX_ISR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
#define IOP3XX_ISAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
#define IOP3XX_IDBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
#define IOP3XX_IBMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16b4)


/*
 * IOP3XX I/O and Mem space regions for PCI autoconfiguration
 */
#define IOP3XX_PCI_LOWER_MEM_PA	0x80000000
#define IOP3XX_PCI_MEM_WINDOW_SIZE	0x08000000

#define IOP3XX_PCI_LOWER_IO_PA		0x90000000
#define IOP3XX_PCI_LOWER_IO_BA		0x00000000

#ifndef __ASSEMBLY__

#include <linux/types.h>

void iop3xx_map_io(void);
void iop_init_cp6_handler(void);
void iop_init_time(unsigned long tickrate);
void iop3xx_restart(char, const char *);

static inline u32 read_tmr0(void)
{
	u32 val;
	asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val));
	return val;
}

static inline void write_tmr0(u32 val)
{
	asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val));
}

static inline void write_tmr1(u32 val)
{
	asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val));
}

static inline u32 read_tcr0(void)
{
	u32 val;
	asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val));
	return val;
}

static inline void write_tcr0(u32 val)
{
	asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val));
}

static inline u32 read_tcr1(void)
{
	u32 val;
	asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val));
	return val;
}

static inline void write_tcr1(u32 val)
{
	asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val));
}

static inline void write_trr0(u32 val)
{
	asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val));
}

static inline void write_trr1(u32 val)
{
	asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val));
}

static inline void write_tisr(u32 val)
{
	asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val));
}

static inline u32 read_wdtcr(void)
{
	u32 val;
	asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val));
	return val;
}
static inline void write_wdtcr(u32 val)
{
	asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val));
}

extern unsigned long get_iop_tick_rate(void);

/* only iop13xx has these registers, we define these to present a
 * common register interface for the iop_wdt driver.
 */
#define IOP_RCSR_WDT	(0)
static inline u32 read_rcsr(void)
{
	return 0;
}
static inline void write_wdtsr(u32 val)
{
	do { } while (0);
}

extern struct platform_device iop3xx_dma_0_channel;
extern struct platform_device iop3xx_dma_1_channel;
extern struct platform_device iop3xx_aau_channel;
extern struct platform_device iop3xx_i2c0_device;
extern struct platform_device iop3xx_i2c1_device;

#endif


#endif