1 /*
2  * arch/arm/include/asm/hardware/iop3xx.h
3  *
4  * Intel IOP32X and IOP33X register definitions
5  *
6  * Author: Rory Bolt <rorybolt@pacbell.net>
7  * Copyright (C) 2002 Rory Bolt
8  * Copyright (C) 2004 Intel Corp.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 
15 #ifndef __IOP3XX_H
16 #define __IOP3XX_H
17 
18 /*
19  * IOP3XX GPIO handling
20  */
21 #define GPIO_IN			0
22 #define GPIO_OUT		1
23 #define GPIO_LOW		0
24 #define GPIO_HIGH		1
25 #define IOP3XX_GPIO_LINE(x)	(x)
26 
27 #ifndef __ASSEMBLY__
28 extern void gpio_line_config(int line, int direction);
29 extern int  gpio_line_get(int line);
30 extern void gpio_line_set(int line, int value);
31 extern int init_atu;
32 extern int iop3xx_get_init_atu(void);
33 #endif
34 
35 
36 /*
37  * IOP3XX processor registers
38  */
39 #define IOP3XX_PERIPHERAL_PHYS_BASE	0xffffe000
40 #define IOP3XX_PERIPHERAL_VIRT_BASE	0xfeffe000
41 #define IOP3XX_PERIPHERAL_SIZE		0x00002000
42 #define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
43 					IOP3XX_PERIPHERAL_SIZE - 1)
44 #define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
45 					IOP3XX_PERIPHERAL_SIZE - 1)
46 #define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\
47 					(IOP3XX_PERIPHERAL_PHYS_BASE\
48 					- IOP3XX_PERIPHERAL_VIRT_BASE))
49 #define IOP3XX_REG_ADDR(reg)		(IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
50 
51 /* Address Translation Unit  */
52 #define IOP3XX_ATUVID		(volatile u16 *)IOP3XX_REG_ADDR(0x0100)
53 #define IOP3XX_ATUDID		(volatile u16 *)IOP3XX_REG_ADDR(0x0102)
54 #define IOP3XX_ATUCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x0104)
55 #define IOP3XX_ATUSR		(volatile u16 *)IOP3XX_REG_ADDR(0x0106)
56 #define IOP3XX_ATURID		(volatile u8  *)IOP3XX_REG_ADDR(0x0108)
57 #define IOP3XX_ATUCCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0109)
58 #define IOP3XX_ATUCLSR		(volatile u8  *)IOP3XX_REG_ADDR(0x010c)
59 #define IOP3XX_ATULT		(volatile u8  *)IOP3XX_REG_ADDR(0x010d)
60 #define IOP3XX_ATUHTR		(volatile u8  *)IOP3XX_REG_ADDR(0x010e)
61 #define IOP3XX_ATUBIST		(volatile u8  *)IOP3XX_REG_ADDR(0x010f)
62 #define IOP3XX_IABAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0110)
63 #define IOP3XX_IAUBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0114)
64 #define IOP3XX_IABAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0118)
65 #define IOP3XX_IAUBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x011c)
66 #define IOP3XX_IABAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0120)
67 #define IOP3XX_IAUBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0124)
68 #define IOP3XX_ASVIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012c)
69 #define IOP3XX_ASIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012e)
70 #define IOP3XX_ERBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0130)
71 #define IOP3XX_ATUILR		(volatile u8  *)IOP3XX_REG_ADDR(0x013c)
72 #define IOP3XX_ATUIPR		(volatile u8  *)IOP3XX_REG_ADDR(0x013d)
73 #define IOP3XX_ATUMGNT		(volatile u8  *)IOP3XX_REG_ADDR(0x013e)
74 #define IOP3XX_ATUMLAT		(volatile u8  *)IOP3XX_REG_ADDR(0x013f)
75 #define IOP3XX_IALR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0140)
76 #define IOP3XX_IATVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0144)
77 #define IOP3XX_ERLR		(volatile u32 *)IOP3XX_REG_ADDR(0x0148)
78 #define IOP3XX_ERTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x014c)
79 #define IOP3XX_IALR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0150)
80 #define IOP3XX_IALR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0154)
81 #define IOP3XX_IATVR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0158)
82 #define IOP3XX_OIOWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x015c)
83 #define IOP3XX_OMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0160)
84 #define IOP3XX_OUMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0164)
85 #define IOP3XX_OMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0168)
86 #define IOP3XX_OUMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x016c)
87 #define IOP3XX_OUDWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x0178)
88 #define IOP3XX_ATUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0180)
89 #define IOP3XX_PCSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0184)
90 #define IOP3XX_ATUISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0188)
91 #define IOP3XX_ATUIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x018c)
92 #define IOP3XX_IABAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0190)
93 #define IOP3XX_IAUBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0194)
94 #define IOP3XX_IALR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0198)
95 #define IOP3XX_IATVR3		(volatile u32 *)IOP3XX_REG_ADDR(0x019c)
96 #define IOP3XX_OCCAR		(volatile u32 *)IOP3XX_REG_ADDR(0x01a4)
97 #define IOP3XX_OCCDR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ac)
98 #define IOP3XX_PDSCR		(volatile u32 *)IOP3XX_REG_ADDR(0x01bc)
99 #define IOP3XX_PMCAPID		(volatile u8  *)IOP3XX_REG_ADDR(0x01c0)
100 #define IOP3XX_PMNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01c1)
101 #define IOP3XX_APMCR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c2)
102 #define IOP3XX_APMCSR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c4)
103 #define IOP3XX_PCIXCAPID	(volatile u8  *)IOP3XX_REG_ADDR(0x01e0)
104 #define IOP3XX_PCIXNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01e1)
105 #define IOP3XX_PCIXCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
106 #define IOP3XX_PCIXSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
107 #define IOP3XX_PCIIRSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
108 #define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15)
109 #define IOP3XX_PCSR_IN_Q_BUSY	(1 << 14)
110 #define IOP3XX_ATUCR_OUT_EN	(1 << 1)
111 
112 #define IOP3XX_INIT_ATU_DEFAULT 0
113 #define IOP3XX_INIT_ATU_DISABLE -1
114 #define IOP3XX_INIT_ATU_ENABLE	 1
115 
116 /* Messaging Unit  */
117 #define IOP3XX_IMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0310)
118 #define IOP3XX_IMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0314)
119 #define IOP3XX_OMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0318)
120 #define IOP3XX_OMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x031c)
121 #define IOP3XX_IDR		(volatile u32 *)IOP3XX_REG_ADDR(0x0320)
122 #define IOP3XX_IISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0324)
123 #define IOP3XX_IIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0328)
124 #define IOP3XX_ODR		(volatile u32 *)IOP3XX_REG_ADDR(0x032c)
125 #define IOP3XX_OISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0330)
126 #define IOP3XX_OIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0334)
127 #define IOP3XX_MUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0350)
128 #define IOP3XX_QBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0354)
129 #define IOP3XX_IFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0360)
130 #define IOP3XX_IFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0364)
131 #define IOP3XX_IPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0368)
132 #define IOP3XX_IPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x036c)
133 #define IOP3XX_OFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0370)
134 #define IOP3XX_OFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0374)
135 #define IOP3XX_OPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0378)
136 #define IOP3XX_OPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x037c)
137 #define IOP3XX_IAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0380)
138 
139 /* DMA Controller  */
140 #define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \
141 					(0x400 + (chan << 6)))
142 #define IOP3XX_DMA_UPPER_PA(chan)  (IOP3XX_DMA_PHYS_BASE(chan) + 0x27)
143 
144 /* Peripheral bus interface  */
145 #define IOP3XX_PBCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0680)
146 #define IOP3XX_PBISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0684)
147 #define IOP3XX_PBBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0688)
148 #define IOP3XX_PBLR0		(volatile u32 *)IOP3XX_REG_ADDR(0x068c)
149 #define IOP3XX_PBBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0690)
150 #define IOP3XX_PBLR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0694)
151 #define IOP3XX_PBBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0698)
152 #define IOP3XX_PBLR2		(volatile u32 *)IOP3XX_REG_ADDR(0x069c)
153 #define IOP3XX_PBBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a0)
154 #define IOP3XX_PBLR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a4)
155 #define IOP3XX_PBBAR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06a8)
156 #define IOP3XX_PBLR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06ac)
157 #define IOP3XX_PBBAR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b0)
158 #define IOP3XX_PBLR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b4)
159 #define IOP3XX_PMBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x06c0)
160 #define IOP3XX_PMBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x06e0)
161 #define IOP3XX_PMBR2		(volatile u32 *)IOP3XX_REG_ADDR(0x06e4)
162 
163 /* Peripheral performance monitoring unit  */
164 #define IOP3XX_GTMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0700)
165 #define IOP3XX_ESR		(volatile u32 *)IOP3XX_REG_ADDR(0x0704)
166 #define IOP3XX_EMISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0708)
167 #define IOP3XX_GTSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
168 /* PERCR0 DOESN'T EXIST - index from 1! */
169 #define IOP3XX_PERCR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
170 
171 /* General Purpose I/O  */
172 #define IOP3XX_GPOE		(volatile u32 *)IOP3XX_GPIO_REG(0x0000)
173 #define IOP3XX_GPID		(volatile u32 *)IOP3XX_GPIO_REG(0x0004)
174 #define IOP3XX_GPOD		(volatile u32 *)IOP3XX_GPIO_REG(0x0008)
175 
176 /* Timers  */
177 #define IOP3XX_TU_TMR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0000)
178 #define IOP3XX_TU_TMR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0004)
179 #define IOP3XX_TU_TCR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0008)
180 #define IOP3XX_TU_TCR1		(volatile u32 *)IOP3XX_TIMER_REG(0x000c)
181 #define IOP3XX_TU_TRR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0010)
182 #define IOP3XX_TU_TRR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0014)
183 #define IOP3XX_TU_TISR		(volatile u32 *)IOP3XX_TIMER_REG(0x0018)
184 #define IOP3XX_TU_WDTCR		(volatile u32 *)IOP3XX_TIMER_REG(0x001c)
185 #define IOP_TMR_EN	    0x02
186 #define IOP_TMR_RELOAD	    0x04
187 #define IOP_TMR_PRIVILEGED 0x08
188 #define IOP_TMR_RATIO_1_1  0x00
189 
190 /* Watchdog timer definitions */
191 #define IOP_WDTCR_EN_ARM        0x1e1e1e1e
192 #define IOP_WDTCR_EN            0xe1e1e1e1
193 /* iop3xx does not support stopping the watchdog, so we just re-arm */
194 #define IOP_WDTCR_DIS_ARM	(IOP_WDTCR_EN_ARM)
195 #define IOP_WDTCR_DIS		(IOP_WDTCR_EN)
196 
197 /* Application accelerator unit  */
198 #define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800)
199 #define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7)
200 
201 /* I2C bus interface unit  */
202 #define IOP3XX_ICR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1680)
203 #define IOP3XX_ISR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1684)
204 #define IOP3XX_ISAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1688)
205 #define IOP3XX_IDBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x168c)
206 #define IOP3XX_IBMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1694)
207 #define IOP3XX_ICR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
208 #define IOP3XX_ISR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
209 #define IOP3XX_ISAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
210 #define IOP3XX_IDBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
211 #define IOP3XX_IBMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16b4)
212 
213 
214 /*
215  * IOP3XX I/O and Mem space regions for PCI autoconfiguration
216  */
217 #define IOP3XX_PCI_LOWER_MEM_PA	0x80000000
218 #define IOP3XX_PCI_MEM_WINDOW_SIZE	0x08000000
219 
220 #define IOP3XX_PCI_IO_WINDOW_SIZE	0x00010000
221 #define IOP3XX_PCI_LOWER_IO_PA		0x90000000
222 #define IOP3XX_PCI_LOWER_IO_VA		0xfe000000
223 #define IOP3XX_PCI_LOWER_IO_BA		0x90000000
224 #define IOP3XX_PCI_UPPER_IO_PA		(IOP3XX_PCI_LOWER_IO_PA +\
225 					IOP3XX_PCI_IO_WINDOW_SIZE - 1)
226 #define IOP3XX_PCI_UPPER_IO_VA		(IOP3XX_PCI_LOWER_IO_VA +\
227 					IOP3XX_PCI_IO_WINDOW_SIZE - 1)
228 #define IOP3XX_PCI_IO_PHYS_TO_VIRT(addr) (((u32) (addr) -\
229 					IOP3XX_PCI_LOWER_IO_PA) +\
230 					IOP3XX_PCI_LOWER_IO_VA)
231 
232 
233 #ifndef __ASSEMBLY__
234 
235 #include <linux/types.h>
236 
237 void iop3xx_map_io(void);
238 void iop_init_cp6_handler(void);
239 void iop_init_time(unsigned long tickrate);
240 void iop3xx_restart(char, const char *);
241 
read_tmr0(void)242 static inline u32 read_tmr0(void)
243 {
244 	u32 val;
245 	asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val));
246 	return val;
247 }
248 
write_tmr0(u32 val)249 static inline void write_tmr0(u32 val)
250 {
251 	asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val));
252 }
253 
write_tmr1(u32 val)254 static inline void write_tmr1(u32 val)
255 {
256 	asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val));
257 }
258 
read_tcr0(void)259 static inline u32 read_tcr0(void)
260 {
261 	u32 val;
262 	asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val));
263 	return val;
264 }
265 
write_tcr0(u32 val)266 static inline void write_tcr0(u32 val)
267 {
268 	asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val));
269 }
270 
read_tcr1(void)271 static inline u32 read_tcr1(void)
272 {
273 	u32 val;
274 	asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val));
275 	return val;
276 }
277 
write_tcr1(u32 val)278 static inline void write_tcr1(u32 val)
279 {
280 	asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val));
281 }
282 
write_trr0(u32 val)283 static inline void write_trr0(u32 val)
284 {
285 	asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val));
286 }
287 
write_trr1(u32 val)288 static inline void write_trr1(u32 val)
289 {
290 	asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val));
291 }
292 
write_tisr(u32 val)293 static inline void write_tisr(u32 val)
294 {
295 	asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val));
296 }
297 
read_wdtcr(void)298 static inline u32 read_wdtcr(void)
299 {
300 	u32 val;
301 	asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val));
302 	return val;
303 }
write_wdtcr(u32 val)304 static inline void write_wdtcr(u32 val)
305 {
306 	asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val));
307 }
308 
309 extern unsigned long get_iop_tick_rate(void);
310 
311 /* only iop13xx has these registers, we define these to present a
312  * common register interface for the iop_wdt driver.
313  */
314 #define IOP_RCSR_WDT	(0)
read_rcsr(void)315 static inline u32 read_rcsr(void)
316 {
317 	return 0;
318 }
write_wdtsr(u32 val)319 static inline void write_wdtsr(u32 val)
320 {
321 	do { } while (0);
322 }
323 
324 extern struct platform_device iop3xx_dma_0_channel;
325 extern struct platform_device iop3xx_dma_1_channel;
326 extern struct platform_device iop3xx_aau_channel;
327 extern struct platform_device iop3xx_i2c0_device;
328 extern struct platform_device iop3xx_i2c1_device;
329 
330 #endif
331 
332 
333 #endif
334