summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/ppc4xx.h
blob: 633f793c9b9c828ec3decb7e022b2a5ad58e35c6 (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
324
325
326
327
328
329
330
331
/*----------------------------------------------------------------------------+
|       This source code is dual-licensed.  You may use it under the terms of
|       the GNU General Public License version 2, or under the license below.
|
|       This source code has been made available to you by IBM on an AS-IS
|       basis.  Anyone receiving this source is licensed under IBM
|       copyrights to use it in any way he or she deems fit, including
|       copying it, modifying it, compiling it, and redistributing it either
|       with or without modifications.  No license under IBM patents or
|       patent applications is to be implied by the copyright license.
|
|       Any user of this software should understand that IBM cannot provide
|       technical support for this software and will not be responsible for
|       any consequences resulting from the use of this software.
|
|       Any person who transfers this source code or any derivative work
|       must include the IBM copyright notice, this paragraph, and the
|       preceding two paragraphs in the transferred software.
|
|       COPYRIGHT   I B M   CORPORATION 1999
|       LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M
+----------------------------------------------------------------------------*/

#ifndef	__PPC4XX_H__
#define __PPC4XX_H__

/*
 * Include SoC specific headers
 */
#if defined(CONFIG_405CR)
#include <asm/ppc405cr.h>
#endif

#if defined(CONFIG_405EP)
#include <asm/ppc405ep.h>
#endif

#if defined(CONFIG_405EX)
#include <asm/ppc405ex.h>
#endif

#if defined(CONFIG_405EZ)
#include <asm/ppc405ez.h>
#endif

#if defined(CONFIG_405GP)
#include <asm/ppc405gp.h>
#endif

#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
#include <asm/ppc440ep_gr.h>
#endif

#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
#include <asm/ppc440epx_grx.h>
#endif

#if defined(CONFIG_440GP)
#include <asm/ppc440gp.h>
#endif

#if defined(CONFIG_440GX)
#include <asm/ppc440gx.h>
#endif

#if defined(CONFIG_440SP)
#include <asm/ppc440sp.h>
#endif

#if defined(CONFIG_440SPE)
#include <asm/ppc440spe.h>
#endif

#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
#include <asm/ppc460ex_gt.h>
#endif

#if defined(CONFIG_460SX)
#include <asm/ppc460sx.h>
#endif

#if defined(CONFIG_APM821XX)
#include <asm/apm821xx.h>
#endif

/*
 * Configure which SDRAM/DDR/DDR2 controller is equipped
 */
#if defined(CONFIG_AP1000) || defined(CONFIG_ML2)
#define CONFIG_SDRAM_PPC4xx_IBM_SDRAM	/* IBM SDRAM controller */
#endif

/*
 * Common registers for all SoC's
 */
/* DCR registers */
#define PLB3A0_ACR	0x0077
#define PLB4A0_ACR	0x0081
#define PLB4A1_ACR	0x0089

/* CPR register declarations */

#define PLB4Ax_ACR_PPM_MASK		0xf0000000
#define PLB4Ax_ACR_PPM_FIXED		0x00000000
#define PLB4Ax_ACR_PPM_FAIR		0xd0000000
#define PLB4Ax_ACR_HBU_MASK		0x08000000
#define PLB4Ax_ACR_HBU_DISABLED		0x00000000
#define PLB4Ax_ACR_HBU_ENABLED		0x08000000
#define PLB4Ax_ACR_RDP_MASK		0x06000000
#define PLB4Ax_ACR_RDP_DISABLED		0x00000000
#define PLB4Ax_ACR_RDP_2DEEP		0x02000000
#define PLB4Ax_ACR_RDP_3DEEP		0x04000000
#define PLB4Ax_ACR_RDP_4DEEP		0x06000000
#define PLB4Ax_ACR_WRP_MASK		0x01000000
#define PLB4Ax_ACR_WRP_DISABLED		0x00000000
#define PLB4Ax_ACR_WRP_2DEEP		0x01000000

/*
 * External Bus Controller
 */
/* Values for EBC0_CFGADDR register - indirect addressing of these regs */
#define PB0CR		0x00	/* periph bank 0 config reg		*/
#define PB1CR		0x01	/* periph bank 1 config reg		*/
#define PB2CR		0x02	/* periph bank 2 config reg		*/
#define PB3CR		0x03	/* periph bank 3 config reg		*/
#define PB4CR		0x04	/* periph bank 4 config reg		*/
#define PB5CR		0x05	/* periph bank 5 config reg		*/
#define PB6CR		0x06	/* periph bank 6 config reg		*/
#define PB7CR		0x07	/* periph bank 7 config reg		*/
#define PB0AP		0x10	/* periph bank 0 access parameters	*/
#define PB1AP		0x11	/* periph bank 1 access parameters	*/
#define PB2AP		0x12	/* periph bank 2 access parameters	*/
#define PB3AP		0x13	/* periph bank 3 access parameters	*/
#define PB4AP		0x14	/* periph bank 4 access parameters	*/
#define PB5AP		0x15	/* periph bank 5 access parameters	*/
#define PB6AP		0x16	/* periph bank 6 access parameters	*/
#define PB7AP		0x17	/* periph bank 7 access parameters	*/
#define PBEAR		0x20	/* periph bus error addr reg		*/
#define PBESR0		0x21	/* periph bus error status reg 0	*/
#define PBESR1		0x22	/* periph bus error status reg 1	*/
#define EBC0_CFG	0x23	/* external bus configuration reg	*/

/*
 * GPIO macro register defines
 */
/* todo: merge with gpio.h header */
#define GPIO_BASE		GPIO0_BASE

#define GPIO0_OR		(GPIO0_BASE + 0x0)
#define GPIO0_TCR		(GPIO0_BASE + 0x4)
#define GPIO0_OSRL		(GPIO0_BASE + 0x8)
#define GPIO0_OSRH		(GPIO0_BASE + 0xC)
#define GPIO0_TSRL		(GPIO0_BASE + 0x10)
#define GPIO0_TSRH		(GPIO0_BASE + 0x14)
#define GPIO0_ODR		(GPIO0_BASE + 0x18)
#define GPIO0_IR		(GPIO0_BASE + 0x1C)
#define GPIO0_RR1		(GPIO0_BASE + 0x20)
#define GPIO0_RR2		(GPIO0_BASE + 0x24)
#define GPIO0_RR3		(GPIO0_BASE + 0x28)
#define GPIO0_ISR1L		(GPIO0_BASE + 0x30)
#define GPIO0_ISR1H		(GPIO0_BASE + 0x34)
#define GPIO0_ISR2L		(GPIO0_BASE + 0x38)
#define GPIO0_ISR2H		(GPIO0_BASE + 0x3C)
#define GPIO0_ISR3L		(GPIO0_BASE + 0x40)
#define GPIO0_ISR3H		(GPIO0_BASE + 0x44)

#define GPIO1_OR		(GPIO1_BASE + 0x0)
#define GPIO1_TCR		(GPIO1_BASE + 0x4)
#define GPIO1_OSRL		(GPIO1_BASE + 0x8)
#define GPIO1_OSRH		(GPIO1_BASE + 0xC)
#define GPIO1_TSRL		(GPIO1_BASE + 0x10)
#define GPIO1_TSRH		(GPIO1_BASE + 0x14)
#define GPIO1_ODR		(GPIO1_BASE + 0x18)
#define GPIO1_IR		(GPIO1_BASE + 0x1C)
#define GPIO1_RR1		(GPIO1_BASE + 0x20)
#define GPIO1_RR2		(GPIO1_BASE + 0x24)
#define GPIO1_RR3		(GPIO1_BASE + 0x28)
#define GPIO1_ISR1L		(GPIO1_BASE + 0x30)
#define GPIO1_ISR1H		(GPIO1_BASE + 0x34)
#define GPIO1_ISR2L		(GPIO1_BASE + 0x38)
#define GPIO1_ISR2H		(GPIO1_BASE + 0x3C)
#define GPIO1_ISR3L		(GPIO1_BASE + 0x40)
#define GPIO1_ISR3H		(GPIO1_BASE + 0x44)

/* General Purpose Timer (GPT) Register Offsets */
#define GPT0_TBC		0x00000000
#define GPT0_IM			0x00000018
#define GPT0_ISS		0x0000001C
#define GPT0_ISC		0x00000020
#define GPT0_IE			0x00000024
#define GPT0_COMP0		0x00000080
#define GPT0_COMP1		0x00000084
#define GPT0_COMP2		0x00000088
#define GPT0_COMP3		0x0000008C
#define GPT0_COMP4		0x00000090
#define GPT0_COMP5		0x00000094
#define GPT0_COMP6		0x00000098
#define GPT0_MASK0		0x000000C0
#define GPT0_MASK1		0x000000C4
#define GPT0_MASK2		0x000000C8
#define GPT0_MASK3		0x000000CC
#define GPT0_MASK4		0x000000D0
#define GPT0_MASK5		0x000000D4
#define GPT0_MASK6		0x000000D8
#define GPT0_DCT0		0x00000110
#define GPT0_DCIS		0x0000011C

#if defined(CONFIG_440)
#include <asm/ppc440.h>
#else
#include <asm/ppc405.h>
#endif

#include <asm/ppc4xx-sdram.h>
#include <asm/ppc4xx-ebc.h>
#if !defined(CONFIG_XILINX_440)
#include <asm/ppc4xx-uic.h>
#endif

/*
 * Macro for generating register field mnemonics
 */
#define	PPC_REG_BITS		32
#define	PPC_REG_VAL(bit, value)	((value) << ((PPC_REG_BITS - 1) - (bit)))

/*
 * Elide casts when assembling register mnemonics
 */
#ifndef __ASSEMBLY__
#define	static_cast(type, val)	(type)(val)
#else
#define	static_cast(type, val)	(val)
#endif

/*
 * Common stuff for 4xx (405 and 440)
 */

#define EXC_OFF_SYS_RESET	0x0100	/* System reset			*/
#define _START_OFFSET		(EXC_OFF_SYS_RESET + 0x2000)

#define RESET_VECTOR	0xfffffffc
#define CACHELINE_MASK	(CONFIG_SYS_CACHELINE_SIZE - 1) /* Address mask for
						cache line aligned data. */

#define CPR0_DCR_BASE	0x0C
#define CPR0_CFGADDR	(CPR0_DCR_BASE + 0x0)
#define CPR0_CFGDATA	(CPR0_DCR_BASE + 0x1)

#define SDR_DCR_BASE	0x0E
#define SDR0_CFGADDR	(SDR_DCR_BASE + 0x0)
#define SDR0_CFGDATA	(SDR_DCR_BASE + 0x1)

#define SDRAM_DCR_BASE	0x10
#define SDRAM0_CFGADDR	(SDRAM_DCR_BASE + 0x0)
#define SDRAM0_CFGDATA	(SDRAM_DCR_BASE + 0x1)

#define EBC_DCR_BASE	0x12
#define EBC0_CFGADDR	(EBC_DCR_BASE + 0x0)
#define EBC0_CFGDATA	(EBC_DCR_BASE + 0x1)

/*
 * Macros for indirect DCR access
 */
#define mtcpr(reg, d)	\
  do { mtdcr(CPR0_CFGADDR, reg); mtdcr(CPR0_CFGDATA, d); } while (0)
#define mfcpr(reg, d)	\
  do { mtdcr(CPR0_CFGADDR, reg); d = mfdcr(CPR0_CFGDATA); } while (0)

#define mtebc(reg, d)	\
  do { mtdcr(EBC0_CFGADDR, reg); mtdcr(EBC0_CFGDATA, d); } while (0)
#define mfebc(reg, d)	\
  do { mtdcr(EBC0_CFGADDR, reg); d = mfdcr(EBC0_CFGDATA); } while (0)

#define mtsdram(reg, d)	\
  do { mtdcr(SDRAM0_CFGADDR, reg); mtdcr(SDRAM0_CFGDATA, d); } while (0)
#define mfsdram(reg, d)	\
  do { mtdcr(SDRAM0_CFGADDR, reg); d = mfdcr(SDRAM0_CFGDATA); } while (0)

#define mtsdr(reg, d)	\
  do { mtdcr(SDR0_CFGADDR, reg); mtdcr(SDR0_CFGDATA, d); } while (0)
#define mfsdr(reg, d)	\
  do { mtdcr(SDR0_CFGADDR, reg); d = mfdcr(SDR0_CFGDATA); } while (0)

#ifndef __ASSEMBLY__

typedef struct
{
	unsigned long freqDDR;
	unsigned long freqEBC;
	unsigned long freqOPB;
	unsigned long freqPCI;
	unsigned long freqPLB;
	unsigned long freqTmrClk;
	unsigned long freqUART;
	unsigned long freqProcessor;
	unsigned long freqVCOHz;
	unsigned long freqVCOMhz;	/* in MHz                          */
	unsigned long pciClkSync;	/* PCI clock is synchronous        */
	unsigned long pciIntArbEn;	/* Internal PCI arbiter is enabled */
	unsigned long pllExtBusDiv;
	unsigned long pllFbkDiv;
	unsigned long pllFwdDiv;
	unsigned long pllFwdDivA;
	unsigned long pllFwdDivB;
	unsigned long pllOpbDiv;
	unsigned long pllPciDiv;
	unsigned long pllPlbDiv;
} PPC4xx_SYS_INFO;

static inline u32 get_mcsr(void)
{
	u32 val;

	asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
	return val;
}

static inline void set_mcsr(u32 val)
{
	asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
}

int ppc4xx_pci_sync_clock_config(u32 async);

#endif	/* __ASSEMBLY__ */

/* for multi-cpu support */
#define NA_OR_UNKNOWN_CPU	-1

#endif	/* __PPC4XX_H__ */
OpenPOWER on IntegriCloud