summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/include/ambapp.h
blob: 405637d8cd6db809dc6f6b44fbebda8540b8bf65 (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
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
/* Interface for accessing Gaisler AMBA Plug&Play Bus.
 * The AHB bus can be interfaced with a simpler bus -
 * the APB bus, also freely available in GRLIB at
 * www.gaisler.com.
 *
 * (C) Copyright 2007
 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __AMBAPP_H__
#define __AMBAPP_H__

/* Default location of Plug&Play info
 * normally 0xfffff000 for AHB masters
 * and 0xfffff800 for AHB slaves.
 * Normally no need to change this.
 */
#define LEON3_IO_AREA 0xfff00000
#define LEON3_CONF_AREA  0xff000
#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11)

/* Max devices this software will support */
#define LEON3_AHB_MASTERS 16
#define LEON3_AHB_SLAVES 16
/*#define LEON3_APB_MASTERS 1*/ /* Number of APB buses that has Plug&Play */
#define LEON3_APB_SLAVES 16	/* Total number of APB slaves per APB bus */

/* Vendor codes */
#define VENDOR_GAISLER       1
#define VENDOR_PENDER        2
#define VENDOR_ESA           4
#define VENDOR_ASTRIUM       6
#define VENDOR_OPENCHIP      7
#define VENDOR_OPENCORES     8
#define VENDOR_CONTRIB       9
#define VENDOR_EONIC         11
#define VENDOR_RADIONOR      15
#define VENDOR_GLEICHMANN    16
#define VENDOR_MENTA         17
#define VENDOR_SUN           19
#define VENDOR_EMBEDDIT      234
#define VENDOR_CAL           202

/* Gaisler Research device id's */
#define GAISLER_LEON3    0x003
#define GAISLER_LEON3DSU 0x004
#define GAISLER_ETHAHB   0x005
#define GAISLER_APBMST   0x006
#define GAISLER_AHBUART  0x007
#define GAISLER_SRCTRL   0x008
#define GAISLER_SDCTRL   0x009
#define GAISLER_APBUART  0x00C
#define GAISLER_IRQMP    0x00D
#define GAISLER_AHBRAM   0x00E
#define GAISLER_GPTIMER  0x011
#define GAISLER_PCITRG   0x012
#define GAISLER_PCISBRG  0x013
#define GAISLER_PCIFBRG  0x014
#define GAISLER_PCITRACE 0x015
#define GAISLER_PCIDMA   0x016
#define GAISLER_AHBTRACE 0x017
#define GAISLER_ETHDSU   0x018
#define GAISLER_PIOPORT  0x01A
#define GAISLER_AHBJTAG  0x01c
#define GAISLER_SPW      0x01f
#define GAISLER_ATACTRL  0x024
#define GAISLER_VGA      0x061
#define GAISLER_KBD      0X060
#define GAISLER_ETHMAC   0x01D
#define GAISLER_DDRSPA   0x025
#define GAISLER_EHCI     0x026
#define GAISLER_UHCI     0x027
#define GAISLER_SPW2     0x029
#define GAISLER_DDR2SPA  0x02E
#define GAISLER_AHBSTAT  0x052
#define GAISLER_FTMCTRL  0x054

#define GAISLER_L2TIME   0xffd	/* internal device: leon2 timer */
#define GAISLER_L2C      0xffe	/* internal device: leon2compat */
#define GAISLER_PLUGPLAY 0xfff	/* internal device: plug & play configarea */

/* European Space Agency device id's */
#define ESA_LEON2        0x2
#define ESA_MCTRL        0xF

/* Opencores device id's */
#define OPENCORES_PCIBR  0x4
#define OPENCORES_ETHMAC 0x5

/* Vendor codes */

/*
 *
 * Macros for manipulating Configuration registers
 *
 */

#define amba_vendor(x) (((x) >> 24) & 0xff)

#define amba_device(x) (((x) >> 12) & 0xfff)

#define amba_membar_start(mbar) \
 (((mbar) & 0xfff00000) & (((mbar) & 0xfff0) << 16))

#define amba_iobar_start(base, iobar) \
 ((base) | ((((iobar) & 0xfff00000)>>12) & (((iobar) & 0xfff0)<<4)) )

#define amba_irq(conf) ((conf) & 0xf)

#define amba_ver(conf) (((conf)>>5) & 0x1f)

#define amba_membar_type(mbar) ((mbar) & 0xf)

#define amba_membar_mask(mbar) (((mbar)>>4) & 0xfff)

#define AMBA_TYPE_APBIO 0x1
#define AMBA_TYPE_MEM   0x2
#define AMBA_TYPE_AHBIO 0x3

#define AMBA_TYPE_AHBIO_ADDR(addr) (LEON3_IO_AREA | ((addr) >> 12))

#ifndef __ASSEMBLER__

#ifdef CONFIG_CMD_AMBAPP

/* AMBA Plug&Play relocation & initialization */
int ambapp_init_reloc(void);

/* AMBA Plug&Play Name of Vendors and devices */

/* Return name of device */
char *ambapp_device_id2str(int vendor, int id);

/* Return name of vendor */
char *ambapp_vendor_id2str(int vendor);
#endif

/*
 *  Types and structure used for AMBA Plug & Play bus scanning
 */

/* AMBA Plug&Play AHB information layout */
typedef struct {
	unsigned int conf;
	unsigned int userdef[3];
	unsigned int bars[4];
} ahbctrl_pp_dev;

/* Prototypes for scanning AMBA Plug&Play bus for AMBA
 *  i)   AHB Masters
 *  ii)  AHB Slaves
 *  iii) APB Slaves (APB MST is a AHB Slave)
 */

typedef struct {
	unsigned char irq;
	unsigned char ver;
	unsigned int address;
} ambapp_apbdev;

typedef struct {
	unsigned char irq;
	unsigned char ver;
	unsigned int userdef[3];
	unsigned int address[4];
} ambapp_ahbdev;

/* AMBA Plug&Play AHB Masters & Slaves information locations
 * Max devices is 64 supported by HW, however often only 8
 * are used.
 */
typedef struct {
	ahbctrl_pp_dev masters[64];
	ahbctrl_pp_dev slaves[64];
} ahbctrl_info;

/* AMBA Plug&Play AHB information layout */
typedef struct {
	unsigned int conf;
	unsigned int bar;
} apbctrl_pp_dev;

/* All functions return the number of found devices
 * 0 = no devices found
 */

/****************************** APB SLAVES ******************************/
int ambapp_apb_count(unsigned int vendor, unsigned int driver);

int ambapp_apb_first(unsigned int vendor,
		     unsigned int driver, ambapp_apbdev * dev);

int ambapp_apb_next(unsigned int vendor,
		    unsigned int driver, ambapp_apbdev * dev, int index);

int ambapp_apbs_first(unsigned int vendor,
		      unsigned int driver, ambapp_apbdev * dev, int max_cnt);

/****************************** AHB MASTERS ******************************/
int ambapp_ahbmst_count(unsigned int vendor, unsigned int driver);

int ambapp_ahbmst_first(unsigned int vendor,
			unsigned int driver, ambapp_ahbdev * dev);

int ambapp_ahbmst_next(unsigned int vendor,
		       unsigned int driver, ambapp_ahbdev * dev, int index);

int ambapp_ahbmsts_first(unsigned int vendor,
			 unsigned int driver, ambapp_ahbdev * dev, int max_cnt);

/****************************** AHB SLAVES ******************************/
int ambapp_ahbslv_count(unsigned int vendor, unsigned int driver);

int ambapp_ahbslv_first(unsigned int vendor,
			unsigned int driver, ambapp_ahbdev * dev);

int ambapp_ahbslv_next(unsigned int vendor,
		       unsigned int driver, ambapp_ahbdev * dev, int index);

int ambapp_ahbslvs_first(unsigned int vendor,
			 unsigned int driver, ambapp_ahbdev * dev, int max_cnt);

/*************************** AHB/APB only regs functions *************************
 * During start up, no memory is available we can use the simplified functions
 * to get to the memory controller.
 *
 * Functions uses no stack/memory, only registers.
 */
unsigned int ambapp_apb_next_nomem(register unsigned int vendor,	/* Plug&Play Vendor ID */
				   register unsigned int driver,	/* Plug&Play Device ID */
				   register int index);

ahbctrl_pp_dev *ambapp_ahb_next_nomem(register unsigned int vendor,	/* Plug&Play Vendor ID */
				      register unsigned int driver,	/* Plug&Play Device ID */
				      register unsigned int opts,	/* scan for AHB 1=slave, 0=masters */
				      register int index);

unsigned int ambapp_ahb_get_info(ahbctrl_pp_dev * ahb, int info);

/*************************** AMBA Plug&Play device register MAPS *****************/

/*
 *  The following defines the bits in the LEON UART Status Registers.
 */

#define LEON_REG_UART_STATUS_DR   0x00000001	/* Data Ready */
#define LEON_REG_UART_STATUS_TSE  0x00000002	/* TX Send Register Empty */
#define LEON_REG_UART_STATUS_THE  0x00000004	/* TX Hold Register Empty */
#define LEON_REG_UART_STATUS_BR   0x00000008	/* Break Error */
#define LEON_REG_UART_STATUS_OE   0x00000010	/* RX Overrun Error */
#define LEON_REG_UART_STATUS_PE   0x00000020	/* RX Parity Error */
#define LEON_REG_UART_STATUS_FE   0x00000040	/* RX Framing Error */
#define LEON_REG_UART_STATUS_ERR  0x00000078	/* Error Mask */

/*
 *  The following defines the bits in the LEON UART Ctrl Registers.
 */

#define LEON_REG_UART_CTRL_RE     0x00000001	/* Receiver enable */
#define LEON_REG_UART_CTRL_TE     0x00000002	/* Transmitter enable */
#define LEON_REG_UART_CTRL_RI     0x00000004	/* Receiver interrupt enable */
#define LEON_REG_UART_CTRL_TI     0x00000008	/* Transmitter interrupt enable */
#define LEON_REG_UART_CTRL_PS     0x00000010	/* Parity select */
#define LEON_REG_UART_CTRL_PE     0x00000020	/* Parity enable */
#define LEON_REG_UART_CTRL_FL     0x00000040	/* Flow control enable */
#define LEON_REG_UART_CTRL_LB     0x00000080	/* Loop Back enable */
#define LEON_REG_UART_CTRL_DBG    (1<<11)	/* Debug Bit used by GRMON */

#define LEON3_GPTIMER_EN 1
#define LEON3_GPTIMER_RL 2
#define LEON3_GPTIMER_LD 4
#define LEON3_GPTIMER_IRQEN 8

/*
 *  The following defines the bits in the LEON PS/2 Status Registers.
 */

#define LEON_REG_PS2_STATUS_DR   0x00000001	/* Data Ready */
#define LEON_REG_PS2_STATUS_PE   0x00000002	/* Parity error */
#define LEON_REG_PS2_STATUS_FE   0x00000004	/* Framing error */
#define LEON_REG_PS2_STATUS_KI   0x00000008	/* Keyboard inhibit */

/*
 *  The following defines the bits in the LEON PS/2 Ctrl Registers.
 */

#define LEON_REG_PS2_CTRL_RE     0x00000001	/* Receiver enable */
#define LEON_REG_PS2_CTRL_TE     0x00000002	/* Transmitter enable */
#define LEON_REG_PS2_CTRL_RI     0x00000004	/* Keyboard receive interrupt  */
#define LEON_REG_PS2_CTRL_TI     0x00000008	/* Keyboard transmit interrupt */

typedef struct {
	volatile unsigned int ilevel;
	volatile unsigned int ipend;
	volatile unsigned int iforce;
	volatile unsigned int iclear;
	volatile unsigned int mstatus;
	volatile unsigned int notused[11];
	volatile unsigned int cpu_mask[16];
	volatile unsigned int cpu_force[16];
} ambapp_dev_irqmp;

typedef struct {
	volatile unsigned int data;
	volatile unsigned int status;
	volatile unsigned int ctrl;
	volatile unsigned int scaler;
} ambapp_dev_apbuart;

typedef struct {
	volatile unsigned int val;
	volatile unsigned int rld;
	volatile unsigned int ctrl;
	volatile unsigned int unused;
} ambapp_dev_gptimer_element;

#define LEON3_GPTIMER_CTRL_EN	0x1	/* Timer enable */
#define LEON3_GPTIMER_CTRL_RS	0x2	/* Timer reStart  */
#define LEON3_GPTIMER_CTRL_LD	0x4	/* Timer reLoad */
#define LEON3_GPTIMER_CTRL_IE	0x8	/* interrupt enable */
#define LEON3_GPTIMER_CTRL_IP	0x10	/* interrupt flag/pending */
#define LEON3_GPTIMER_CTRL_CH	0x20	/* Chain with previous timer */

typedef struct {
	volatile unsigned int scalar;
	volatile unsigned int scalar_reload;
	volatile unsigned int config;
	volatile unsigned int unused;
	volatile ambapp_dev_gptimer_element e[8];
} ambapp_dev_gptimer;

typedef struct {
	volatile unsigned int iodata;
	volatile unsigned int ioout;
	volatile unsigned int iodir;
	volatile unsigned int irqmask;
	volatile unsigned int irqpol;
	volatile unsigned int irqedge;
} ambapp_dev_ioport;

typedef struct {
	volatile unsigned int write;
	volatile unsigned int dummy;
	volatile unsigned int txcolor;
	volatile unsigned int bgcolor;
} ambapp_dev_textvga;

typedef struct {
	volatile unsigned int data;
	volatile unsigned int status;
	volatile unsigned int ctrl;
} ambapp_dev_apbps2;

typedef struct {
	unsigned int mcfg1, mcfg2, mcfg3;
} ambapp_dev_mctrl;

typedef struct {
	unsigned int sdcfg;
} ambapp_dev_sdctrl;

typedef struct {
	unsigned int cfg1;
	unsigned int cfg2;
	unsigned int cfg3;
} ambapp_dev_ddr2spa;

typedef struct {
	unsigned int ctrl;
	unsigned int cfg;
} ambapp_dev_ddrspa;

#endif

#endif