1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Intel IOP32X and IOP33X register definitions
4  *
5  * Author: Rory Bolt <rorybolt@pacbell.net>
6  * Copyright (C) 2002 Rory Bolt
7  * Copyright (C) 2004 Intel Corp.
8  */
9 
10 #ifndef __IOP3XX_H
11 #define __IOP3XX_H
12 
13 /*
14  * Peripherals that are shared between the iop32x and iop33x but
15  * located at different addresses.
16  */
17 #define IOP3XX_TIMER_REG(reg)	(IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg))
18 
19 #include "iop3xx.h"
20 
21 /* ATU Parameters
22  * set up a 1:1 bus to physical ram relationship
23  * w/ physical ram on top of pci in the memory map
24  */
25 #define IOP32X_MAX_RAM_SIZE            0x40000000UL
26 #define IOP3XX_MAX_RAM_SIZE            IOP32X_MAX_RAM_SIZE
27 #define IOP3XX_PCI_LOWER_MEM_BA        0x80000000
28 
29 /*
30  * IOP3XX GPIO handling
31  */
32 #define IOP3XX_GPIO_LINE(x)	(x)
33 
34 #ifndef __ASSEMBLY__
35 extern int init_atu;
36 extern int iop3xx_get_init_atu(void);
37 #endif
38 
39 
40 /*
41  * IOP3XX processor registers
42  */
43 #define IOP3XX_PERIPHERAL_PHYS_BASE	0xffffe000
44 #define IOP3XX_PERIPHERAL_VIRT_BASE	0xfedfe000
45 #define IOP3XX_PERIPHERAL_SIZE		0x00002000
46 #define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
47 					IOP3XX_PERIPHERAL_SIZE - 1)
48 #define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
49 					IOP3XX_PERIPHERAL_SIZE - 1)
50 #define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) (addr) -\
51 					(IOP3XX_PERIPHERAL_PHYS_BASE\
52 					- IOP3XX_PERIPHERAL_VIRT_BASE))
53 #define IOP3XX_REG_ADDR(reg)		(IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
54 
55 /* Address Translation Unit  */
56 #define IOP3XX_ATUVID		(volatile u16 *)IOP3XX_REG_ADDR(0x0100)
57 #define IOP3XX_ATUDID		(volatile u16 *)IOP3XX_REG_ADDR(0x0102)
58 #define IOP3XX_ATUCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x0104)
59 #define IOP3XX_ATUSR		(volatile u16 *)IOP3XX_REG_ADDR(0x0106)
60 #define IOP3XX_ATURID		(volatile u8  *)IOP3XX_REG_ADDR(0x0108)
61 #define IOP3XX_ATUCCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0109)
62 #define IOP3XX_ATUCLSR		(volatile u8  *)IOP3XX_REG_ADDR(0x010c)
63 #define IOP3XX_ATULT		(volatile u8  *)IOP3XX_REG_ADDR(0x010d)
64 #define IOP3XX_ATUHTR		(volatile u8  *)IOP3XX_REG_ADDR(0x010e)
65 #define IOP3XX_ATUBIST		(volatile u8  *)IOP3XX_REG_ADDR(0x010f)
66 #define IOP3XX_IABAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0110)
67 #define IOP3XX_IAUBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0114)
68 #define IOP3XX_IABAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0118)
69 #define IOP3XX_IAUBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x011c)
70 #define IOP3XX_IABAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0120)
71 #define IOP3XX_IAUBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0124)
72 #define IOP3XX_ASVIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012c)
73 #define IOP3XX_ASIR		(volatile u16 *)IOP3XX_REG_ADDR(0x012e)
74 #define IOP3XX_ERBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0130)
75 #define IOP3XX_ATUILR		(volatile u8  *)IOP3XX_REG_ADDR(0x013c)
76 #define IOP3XX_ATUIPR		(volatile u8  *)IOP3XX_REG_ADDR(0x013d)
77 #define IOP3XX_ATUMGNT		(volatile u8  *)IOP3XX_REG_ADDR(0x013e)
78 #define IOP3XX_ATUMLAT		(volatile u8  *)IOP3XX_REG_ADDR(0x013f)
79 #define IOP3XX_IALR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0140)
80 #define IOP3XX_IATVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0144)
81 #define IOP3XX_ERLR		(volatile u32 *)IOP3XX_REG_ADDR(0x0148)
82 #define IOP3XX_ERTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x014c)
83 #define IOP3XX_IALR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0150)
84 #define IOP3XX_IALR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0154)
85 #define IOP3XX_IATVR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0158)
86 #define IOP3XX_OIOWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x015c)
87 #define IOP3XX_OMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0160)
88 #define IOP3XX_OUMWTVR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0164)
89 #define IOP3XX_OMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0168)
90 #define IOP3XX_OUMWTVR1		(volatile u32 *)IOP3XX_REG_ADDR(0x016c)
91 #define IOP3XX_OUDWTVR		(volatile u32 *)IOP3XX_REG_ADDR(0x0178)
92 #define IOP3XX_ATUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0180)
93 #define IOP3XX_PCSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0184)
94 #define IOP3XX_ATUISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0188)
95 #define IOP3XX_ATUIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x018c)
96 #define IOP3XX_IABAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0190)
97 #define IOP3XX_IAUBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0194)
98 #define IOP3XX_IALR3		(volatile u32 *)IOP3XX_REG_ADDR(0x0198)
99 #define IOP3XX_IATVR3		(volatile u32 *)IOP3XX_REG_ADDR(0x019c)
100 #define IOP3XX_OCCAR		(volatile u32 *)IOP3XX_REG_ADDR(0x01a4)
101 #define IOP3XX_OCCDR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ac)
102 #define IOP3XX_PDSCR		(volatile u32 *)IOP3XX_REG_ADDR(0x01bc)
103 #define IOP3XX_PMCAPID		(volatile u8  *)IOP3XX_REG_ADDR(0x01c0)
104 #define IOP3XX_PMNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01c1)
105 #define IOP3XX_APMCR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c2)
106 #define IOP3XX_APMCSR		(volatile u16 *)IOP3XX_REG_ADDR(0x01c4)
107 #define IOP3XX_PCIXCAPID	(volatile u8  *)IOP3XX_REG_ADDR(0x01e0)
108 #define IOP3XX_PCIXNEXT		(volatile u8  *)IOP3XX_REG_ADDR(0x01e1)
109 #define IOP3XX_PCIXCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
110 #define IOP3XX_PCIXSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
111 #define IOP3XX_PCIIRSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
112 #define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15)
113 #define IOP3XX_PCSR_IN_Q_BUSY	(1 << 14)
114 #define IOP3XX_ATUCR_OUT_EN	(1 << 1)
115 
116 #define IOP3XX_INIT_ATU_DEFAULT 0
117 #define IOP3XX_INIT_ATU_DISABLE -1
118 #define IOP3XX_INIT_ATU_ENABLE	 1
119 
120 /* Messaging Unit  */
121 #define IOP3XX_IMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0310)
122 #define IOP3XX_IMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0314)
123 #define IOP3XX_OMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0318)
124 #define IOP3XX_OMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x031c)
125 #define IOP3XX_IDR		(volatile u32 *)IOP3XX_REG_ADDR(0x0320)
126 #define IOP3XX_IISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0324)
127 #define IOP3XX_IIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0328)
128 #define IOP3XX_ODR		(volatile u32 *)IOP3XX_REG_ADDR(0x032c)
129 #define IOP3XX_OISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0330)
130 #define IOP3XX_OIMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0334)
131 #define IOP3XX_MUCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0350)
132 #define IOP3XX_QBAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0354)
133 #define IOP3XX_IFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0360)
134 #define IOP3XX_IFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0364)
135 #define IOP3XX_IPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0368)
136 #define IOP3XX_IPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x036c)
137 #define IOP3XX_OFHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0370)
138 #define IOP3XX_OFTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0374)
139 #define IOP3XX_OPHPR		(volatile u32 *)IOP3XX_REG_ADDR(0x0378)
140 #define IOP3XX_OPTPR		(volatile u32 *)IOP3XX_REG_ADDR(0x037c)
141 #define IOP3XX_IAR		(volatile u32 *)IOP3XX_REG_ADDR(0x0380)
142 
143 /* DMA Controller  */
144 #define IOP3XX_DMA_PHYS_BASE(chan) (IOP3XX_PERIPHERAL_PHYS_BASE + \
145 					(0x400 + (chan << 6)))
146 #define IOP3XX_DMA_UPPER_PA(chan)  (IOP3XX_DMA_PHYS_BASE(chan) + 0x27)
147 
148 /* Peripheral bus interface  */
149 #define IOP3XX_PBCR		(volatile u32 *)IOP3XX_REG_ADDR(0x0680)
150 #define IOP3XX_PBISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0684)
151 #define IOP3XX_PBBAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0688)
152 #define IOP3XX_PBLR0		(volatile u32 *)IOP3XX_REG_ADDR(0x068c)
153 #define IOP3XX_PBBAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0690)
154 #define IOP3XX_PBLR1		(volatile u32 *)IOP3XX_REG_ADDR(0x0694)
155 #define IOP3XX_PBBAR2		(volatile u32 *)IOP3XX_REG_ADDR(0x0698)
156 #define IOP3XX_PBLR2		(volatile u32 *)IOP3XX_REG_ADDR(0x069c)
157 #define IOP3XX_PBBAR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a0)
158 #define IOP3XX_PBLR3		(volatile u32 *)IOP3XX_REG_ADDR(0x06a4)
159 #define IOP3XX_PBBAR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06a8)
160 #define IOP3XX_PBLR4		(volatile u32 *)IOP3XX_REG_ADDR(0x06ac)
161 #define IOP3XX_PBBAR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b0)
162 #define IOP3XX_PBLR5		(volatile u32 *)IOP3XX_REG_ADDR(0x06b4)
163 #define IOP3XX_PMBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x06c0)
164 #define IOP3XX_PMBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x06e0)
165 #define IOP3XX_PMBR2		(volatile u32 *)IOP3XX_REG_ADDR(0x06e4)
166 
167 /* Peripheral performance monitoring unit  */
168 #define IOP3XX_GTMR		(volatile u32 *)IOP3XX_REG_ADDR(0x0700)
169 #define IOP3XX_ESR		(volatile u32 *)IOP3XX_REG_ADDR(0x0704)
170 #define IOP3XX_EMISR		(volatile u32 *)IOP3XX_REG_ADDR(0x0708)
171 #define IOP3XX_GTSR		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
172 /* PERCR0 DOESN'T EXIST - index from 1! */
173 #define IOP3XX_PERCR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0710)
174 
175 /* Timers  */
176 #define IOP3XX_TU_TMR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0000)
177 #define IOP3XX_TU_TMR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0004)
178 #define IOP3XX_TU_TCR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0008)
179 #define IOP3XX_TU_TCR1		(volatile u32 *)IOP3XX_TIMER_REG(0x000c)
180 #define IOP3XX_TU_TRR0		(volatile u32 *)IOP3XX_TIMER_REG(0x0010)
181 #define IOP3XX_TU_TRR1		(volatile u32 *)IOP3XX_TIMER_REG(0x0014)
182 #define IOP3XX_TU_TISR		(volatile u32 *)IOP3XX_TIMER_REG(0x0018)
183 #define IOP3XX_TU_WDTCR		(volatile u32 *)IOP3XX_TIMER_REG(0x001c)
184 #define IOP_TMR_EN	    0x02
185 #define IOP_TMR_RELOAD	    0x04
186 #define IOP_TMR_PRIVILEGED 0x08
187 #define IOP_TMR_RATIO_1_1  0x00
188 
189 /* Watchdog timer definitions */
190 #define IOP_WDTCR_EN_ARM        0x1e1e1e1e
191 #define IOP_WDTCR_EN            0xe1e1e1e1
192 /* iop3xx does not support stopping the watchdog, so we just re-arm */
193 #define IOP_WDTCR_DIS_ARM	(IOP_WDTCR_EN_ARM)
194 #define IOP_WDTCR_DIS		(IOP_WDTCR_EN)
195 
196 /* Application accelerator unit  */
197 #define IOP3XX_AAU_PHYS_BASE (IOP3XX_PERIPHERAL_PHYS_BASE + 0x800)
198 #define IOP3XX_AAU_UPPER_PA (IOP3XX_AAU_PHYS_BASE + 0xa7)
199 
200 /* I2C bus interface unit  */
201 #define IOP3XX_ICR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1680)
202 #define IOP3XX_ISR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1684)
203 #define IOP3XX_ISAR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1688)
204 #define IOP3XX_IDBR0		(volatile u32 *)IOP3XX_REG_ADDR(0x168c)
205 #define IOP3XX_IBMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x1694)
206 #define IOP3XX_ICR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
207 #define IOP3XX_ISR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
208 #define IOP3XX_ISAR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
209 #define IOP3XX_IDBR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
210 #define IOP3XX_IBMR1		(volatile u32 *)IOP3XX_REG_ADDR(0x16b4)
211 
212 
213 /*
214  * IOP3XX I/O and Mem space regions for PCI autoconfiguration
215  */
216 #define IOP3XX_PCI_LOWER_MEM_PA	0x80000000
217 #define IOP3XX_PCI_MEM_WINDOW_SIZE	0x08000000
218 
219 #define IOP3XX_PCI_LOWER_IO_PA		0x90000000
220 #define IOP3XX_PCI_LOWER_IO_BA		0x00000000
221 
222 #ifndef __ASSEMBLY__
223 
224 #include <linux/types.h>
225 #include <linux/reboot.h>
226 
227 void iop3xx_map_io(void);
228 void iop_enable_cp6(void);
229 void iop_init_cp6_handler(void);
230 void iop_init_time(unsigned long tickrate);
231 void iop3xx_restart(enum reboot_mode, const char *);
232 
read_tmr0(void)233 static inline u32 read_tmr0(void)
234 {
235 	u32 val;
236 	asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val));
237 	return val;
238 }
239 
write_tmr0(u32 val)240 static inline void write_tmr0(u32 val)
241 {
242 	asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (val));
243 }
244 
write_tmr1(u32 val)245 static inline void write_tmr1(u32 val)
246 {
247 	asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (val));
248 }
249 
read_tcr0(void)250 static inline u32 read_tcr0(void)
251 {
252 	u32 val;
253 	asm volatile("mrc p6, 0, %0, c2, c1, 0" : "=r" (val));
254 	return val;
255 }
256 
write_tcr0(u32 val)257 static inline void write_tcr0(u32 val)
258 {
259 	asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val));
260 }
261 
read_tcr1(void)262 static inline u32 read_tcr1(void)
263 {
264 	u32 val;
265 	asm volatile("mrc p6, 0, %0, c3, c1, 0" : "=r" (val));
266 	return val;
267 }
268 
write_tcr1(u32 val)269 static inline void write_tcr1(u32 val)
270 {
271 	asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val));
272 }
273 
write_trr0(u32 val)274 static inline void write_trr0(u32 val)
275 {
276 	asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val));
277 }
278 
write_trr1(u32 val)279 static inline void write_trr1(u32 val)
280 {
281 	asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (val));
282 }
283 
write_tisr(u32 val)284 static inline void write_tisr(u32 val)
285 {
286 	asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (val));
287 }
288 
read_wdtcr(void)289 static inline u32 read_wdtcr(void)
290 {
291 	u32 val;
292 	asm volatile("mrc p6, 0, %0, c7, c1, 0":"=r" (val));
293 	return val;
294 }
write_wdtcr(u32 val)295 static inline void write_wdtcr(u32 val)
296 {
297 	asm volatile("mcr p6, 0, %0, c7, c1, 0"::"r" (val));
298 }
299 
300 extern unsigned long get_iop_tick_rate(void);
301 
302 /* only iop13xx has these registers, we define these to present a
303  * common register interface for the iop_wdt driver.
304  */
305 #define IOP_RCSR_WDT	(0)
read_rcsr(void)306 static inline u32 read_rcsr(void)
307 {
308 	return 0;
309 }
write_wdtsr(u32 val)310 static inline void write_wdtsr(u32 val)
311 {
312 	do { } while (0);
313 }
314 
315 extern struct platform_device iop3xx_dma_0_channel;
316 extern struct platform_device iop3xx_dma_1_channel;
317 extern struct platform_device iop3xx_aau_channel;
318 extern struct platform_device iop3xx_i2c0_device;
319 extern struct platform_device iop3xx_i2c1_device;
320 extern struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup;
321 extern struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup;
322 
323 #endif
324 
325 
326 #endif
327