1 /*
2  * cpu.h
3  *
4  * AM33xx specific header file
5  *
6  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef _AM33XX_CPU_H
12 #define _AM33XX_CPU_H
13 
14 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
15 #include <asm/types.h>
16 #endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
17 
18 #include <asm/arch/hardware.h>
19 
20 #define BIT(x)				(1 << x)
21 #define CL_BIT(x)			(0 << x)
22 
23 /* Timer register bits */
24 #define TCLR_ST				BIT(0)	/* Start=1 Stop=0 */
25 #define TCLR_AR				BIT(1)	/* Auto reload */
26 #define TCLR_PRE			BIT(5)	/* Pre-scaler enable */
27 #define TCLR_PTV_SHIFT			(2)	/* Pre-scaler shift value */
28 #define TCLR_PRE_DISABLE		CL_BIT(5) /* Pre-scalar disable */
29 
30 /* device type */
31 #define DEVICE_MASK			(BIT(8) | BIT(9) | BIT(10))
32 #define TST_DEVICE			0x0
33 #define EMU_DEVICE			0x1
34 #define HS_DEVICE			0x2
35 #define GP_DEVICE			0x3
36 
37 /* cpu-id for AM33XX and TI81XX family */
38 #define AM335X				0xB944
39 #define TI81XX				0xB81E
40 #define DEVICE_ID			(CTRL_BASE + 0x0600)
41 
42 /* This gives the status of the boot mode pins on the evm */
43 #define SYSBOOT_MASK			(BIT(0) | BIT(1) | BIT(2)\
44 					| BIT(3) | BIT(4))
45 
46 #define PRM_RSTCTRL_RESET		0x01
47 #define PRM_RSTST_WARM_RESET_MASK	0x232
48 
49 #ifndef __KERNEL_STRICT_NAMES
50 #ifndef __ASSEMBLY__
51 struct gpmc_cs {
52 	u32 config1;		/* 0x00 */
53 	u32 config2;		/* 0x04 */
54 	u32 config3;		/* 0x08 */
55 	u32 config4;		/* 0x0C */
56 	u32 config5;		/* 0x10 */
57 	u32 config6;		/* 0x14 */
58 	u32 config7;		/* 0x18 */
59 	u32 nand_cmd;		/* 0x1C */
60 	u32 nand_adr;		/* 0x20 */
61 	u32 nand_dat;		/* 0x24 */
62 	u8 res[8];		/* blow up to 0x30 byte */
63 };
64 
65 struct bch_res_0_3 {
66 	u32 bch_result_x[4];
67 };
68 
69 struct gpmc {
70 	u8 res1[0x10];
71 	u32 sysconfig;		/* 0x10 */
72 	u8 res2[0x4];
73 	u32 irqstatus;		/* 0x18 */
74 	u32 irqenable;		/* 0x1C */
75 	u8 res3[0x20];
76 	u32 timeout_control;	/* 0x40 */
77 	u8 res4[0xC];
78 	u32 config;		/* 0x50 */
79 	u32 status;		/* 0x54 */
80 	u8 res5[0x8];		/* 0x58 */
81 	struct gpmc_cs cs[8];	/* 0x60, 0x90, .. */
82 	u8 res6[0x14];		/* 0x1E0 */
83 	u32 ecc_config;		/* 0x1F4 */
84 	u32 ecc_control;	/* 0x1F8 */
85 	u32 ecc_size_config;	/* 0x1FC */
86 	u32 ecc1_result;	/* 0x200 */
87 	u32 ecc2_result;	/* 0x204 */
88 	u32 ecc3_result;	/* 0x208 */
89 	u32 ecc4_result;	/* 0x20C */
90 	u32 ecc5_result;	/* 0x210 */
91 	u32 ecc6_result;	/* 0x214 */
92 	u32 ecc7_result;	/* 0x218 */
93 	u32 ecc8_result;	/* 0x21C */
94 	u32 ecc9_result;	/* 0x220 */
95 	u8 res7[12];		/* 0x224 */
96 	u32 testmomde_ctrl;	/* 0x230 */
97 	u8 res8[12];		/* 0x234 */
98 	struct bch_res_0_3 bch_result_0_3[2];	/* 0x240 */
99 };
100 
101 /* Used for board specific gpmc initialization */
102 extern struct gpmc *gpmc_cfg;
103 
104 #ifndef CONFIG_AM43XX
105 /* Encapsulating core pll registers */
106 struct cm_wkuppll {
107 	unsigned int wkclkstctrl;	/* offset 0x00 */
108 	unsigned int wkctrlclkctrl;	/* offset 0x04 */
109 	unsigned int wkgpio0clkctrl;	/* offset 0x08 */
110 	unsigned int wkl4wkclkctrl;	/* offset 0x0c */
111 	unsigned int resv2[4];
112 	unsigned int idlestdpllmpu;	/* offset 0x20 */
113 	unsigned int resv3[2];
114 	unsigned int clkseldpllmpu;	/* offset 0x2c */
115 	unsigned int resv4[1];
116 	unsigned int idlestdpllddr;	/* offset 0x34 */
117 	unsigned int resv5[2];
118 	unsigned int clkseldpllddr;	/* offset 0x40 */
119 	unsigned int resv6[4];
120 	unsigned int clkseldplldisp;	/* offset 0x54 */
121 	unsigned int resv7[1];
122 	unsigned int idlestdpllcore;	/* offset 0x5c */
123 	unsigned int resv8[2];
124 	unsigned int clkseldpllcore;	/* offset 0x68 */
125 	unsigned int resv9[1];
126 	unsigned int idlestdpllper;	/* offset 0x70 */
127 	unsigned int resv10[2];
128 	unsigned int clkdcoldodpllper;	/* offset 0x7c */
129 	unsigned int divm4dpllcore;	/* offset 0x80 */
130 	unsigned int divm5dpllcore;	/* offset 0x84 */
131 	unsigned int clkmoddpllmpu;	/* offset 0x88 */
132 	unsigned int clkmoddpllper;	/* offset 0x8c */
133 	unsigned int clkmoddpllcore;	/* offset 0x90 */
134 	unsigned int clkmoddpllddr;	/* offset 0x94 */
135 	unsigned int clkmoddplldisp;	/* offset 0x98 */
136 	unsigned int clkseldpllper;	/* offset 0x9c */
137 	unsigned int divm2dpllddr;	/* offset 0xA0 */
138 	unsigned int divm2dplldisp;	/* offset 0xA4 */
139 	unsigned int divm2dpllmpu;	/* offset 0xA8 */
140 	unsigned int divm2dpllper;	/* offset 0xAC */
141 	unsigned int resv11[1];
142 	unsigned int wkup_uart0ctrl;	/* offset 0xB4 */
143 	unsigned int wkup_i2c0ctrl;	/* offset 0xB8 */
144 	unsigned int resv12[7];
145 	unsigned int divm6dpllcore;	/* offset 0xD8 */
146 };
147 
148 /**
149  * Encapsulating peripheral functional clocks
150  * pll registers
151  */
152 struct cm_perpll {
153 	unsigned int l4lsclkstctrl;	/* offset 0x00 */
154 	unsigned int l3sclkstctrl;	/* offset 0x04 */
155 	unsigned int l4fwclkstctrl;	/* offset 0x08 */
156 	unsigned int l3clkstctrl;	/* offset 0x0c */
157 	unsigned int resv1;
158 	unsigned int cpgmac0clkctrl;	/* offset 0x14 */
159 	unsigned int lcdclkctrl;	/* offset 0x18 */
160 	unsigned int usb0clkctrl;	/* offset 0x1C */
161 	unsigned int resv2;
162 	unsigned int tptc0clkctrl;	/* offset 0x24 */
163 	unsigned int emifclkctrl;	/* offset 0x28 */
164 	unsigned int ocmcramclkctrl;	/* offset 0x2c */
165 	unsigned int gpmcclkctrl;	/* offset 0x30 */
166 	unsigned int mcasp0clkctrl;	/* offset 0x34 */
167 	unsigned int uart5clkctrl;	/* offset 0x38 */
168 	unsigned int mmc0clkctrl;	/* offset 0x3C */
169 	unsigned int elmclkctrl;	/* offset 0x40 */
170 	unsigned int i2c2clkctrl;	/* offset 0x44 */
171 	unsigned int i2c1clkctrl;	/* offset 0x48 */
172 	unsigned int spi0clkctrl;	/* offset 0x4C */
173 	unsigned int spi1clkctrl;	/* offset 0x50 */
174 	unsigned int resv3[3];
175 	unsigned int l4lsclkctrl;	/* offset 0x60 */
176 	unsigned int l4fwclkctrl;	/* offset 0x64 */
177 	unsigned int mcasp1clkctrl;	/* offset 0x68 */
178 	unsigned int uart1clkctrl;	/* offset 0x6C */
179 	unsigned int uart2clkctrl;	/* offset 0x70 */
180 	unsigned int uart3clkctrl;	/* offset 0x74 */
181 	unsigned int uart4clkctrl;	/* offset 0x78 */
182 	unsigned int timer7clkctrl;	/* offset 0x7C */
183 	unsigned int timer2clkctrl;	/* offset 0x80 */
184 	unsigned int timer3clkctrl;	/* offset 0x84 */
185 	unsigned int timer4clkctrl;	/* offset 0x88 */
186 	unsigned int resv4[8];
187 	unsigned int gpio1clkctrl;	/* offset 0xAC */
188 	unsigned int gpio2clkctrl;	/* offset 0xB0 */
189 	unsigned int gpio3clkctrl;	/* offset 0xB4 */
190 	unsigned int resv5;
191 	unsigned int tpccclkctrl;	/* offset 0xBC */
192 	unsigned int dcan0clkctrl;	/* offset 0xC0 */
193 	unsigned int dcan1clkctrl;	/* offset 0xC4 */
194 	unsigned int resv6[2];
195 	unsigned int emiffwclkctrl;	/* offset 0xD0 */
196 	unsigned int resv7[2];
197 	unsigned int l3instrclkctrl;	/* offset 0xDC */
198 	unsigned int l3clkctrl;		/* Offset 0xE0 */
199 	unsigned int resv8[4];
200 	unsigned int mmc1clkctrl;	/* offset 0xF4 */
201 	unsigned int mmc2clkctrl;	/* offset 0xF8 */
202 	unsigned int resv9[8];
203 	unsigned int l4hsclkstctrl;	/* offset 0x11C */
204 	unsigned int l4hsclkctrl;	/* offset 0x120 */
205 	unsigned int resv10[8];
206 	unsigned int cpswclkstctrl;	/* offset 0x144 */
207 };
208 #else
209 /* Encapsulating core pll registers */
210 struct cm_wkuppll {
211 	unsigned int resv0[136];
212 	unsigned int wkl4wkclkctrl;	/* offset 0x220 */
213 	unsigned int resv1[55];
214 	unsigned int wkclkstctrl;	/* offset 0x300 */
215 	unsigned int resv2[15];
216 	unsigned int wkup_i2c0ctrl;	/* offset 0x340 */
217 	unsigned int resv3;
218 	unsigned int wkup_uart0ctrl;	/* offset 0x348 */
219 	unsigned int resv4[5];
220 	unsigned int wkctrlclkctrl;	/* offset 0x360 */
221 	unsigned int resv5;
222 	unsigned int wkgpio0clkctrl;	/* offset 0x368 */
223 
224 	unsigned int resv6[109];
225 	unsigned int clkmoddpllcore;	/* offset 0x520 */
226 	unsigned int idlestdpllcore;	/* offset 0x524 */
227 	unsigned int resv61;
228 	unsigned int clkseldpllcore;	/* offset 0x52C */
229 	unsigned int resv7[2];
230 	unsigned int divm4dpllcore;	/* offset 0x538 */
231 	unsigned int divm5dpllcore;	/* offset 0x53C */
232 	unsigned int divm6dpllcore;	/* offset 0x540 */
233 
234 	unsigned int resv8[7];
235 	unsigned int clkmoddpllmpu;	/* offset 0x560 */
236 	unsigned int idlestdpllmpu;	/* offset 0x564 */
237 	unsigned int resv9;
238 	unsigned int clkseldpllmpu;	/* offset 0x56c */
239 	unsigned int divm2dpllmpu;	/* offset 0x570 */
240 
241 	unsigned int resv10[11];
242 	unsigned int clkmoddpllddr;	/* offset 0x5A0 */
243 	unsigned int idlestdpllddr;	/* offset 0x5A4 */
244 	unsigned int resv11;
245 	unsigned int clkseldpllddr;	/* offset 0x5AC */
246 	unsigned int divm2dpllddr;	/* offset 0x5B0 */
247 
248 	unsigned int resv12[11];
249 	unsigned int clkmoddpllper;	/* offset 0x5E0 */
250 	unsigned int idlestdpllper;	/* offset 0x5E4 */
251 	unsigned int resv13;
252 	unsigned int clkseldpllper;	/* offset 0x5EC */
253 	unsigned int divm2dpllper;	/* offset 0x5F0 */
254 	unsigned int resv14[8];
255 	unsigned int clkdcoldodpllper;	/* offset 0x614 */
256 
257 	unsigned int resv15[2];
258 	unsigned int clkmoddplldisp;	/* offset 0x620 */
259 	unsigned int resv16[2];
260 	unsigned int clkseldplldisp;	/* offset 0x62C */
261 	unsigned int divm2dplldisp;	/* offset 0x630 */
262 };
263 
264 /*
265  * Encapsulating peripheral functional clocks
266  * pll registers
267  */
268 struct cm_perpll {
269 	unsigned int l3clkstctrl;	/* offset 0x00 */
270 	unsigned int resv0[7];
271 	unsigned int l3clkctrl;		/* Offset 0x20 */
272 	unsigned int resv1[7];
273 	unsigned int l3instrclkctrl;	/* offset 0x40 */
274 	unsigned int resv2[3];
275 	unsigned int ocmcramclkctrl;	/* offset 0x50 */
276 	unsigned int resv3[9];
277 	unsigned int tpccclkctrl;	/* offset 0x78 */
278 	unsigned int resv4;
279 	unsigned int tptc0clkctrl;	/* offset 0x80 */
280 
281 	unsigned int resv5[7];
282 	unsigned int l4hsclkctrl;	/* offset 0x0A0 */
283 	unsigned int resv6;
284 	unsigned int l4fwclkctrl;	/* offset 0x0A8 */
285 	unsigned int resv7[85];
286 	unsigned int l3sclkstctrl;	/* offset 0x200 */
287 	unsigned int resv8[7];
288 	unsigned int gpmcclkctrl;	/* offset 0x220 */
289 	unsigned int resv9[5];
290 	unsigned int mcasp0clkctrl;	/* offset 0x238 */
291 	unsigned int resv10;
292 	unsigned int mcasp1clkctrl;	/* offset 0x240 */
293 	unsigned int resv11;
294 	unsigned int mmc2clkctrl;	/* offset 0x248 */
295 	unsigned int resv12[5];
296 	unsigned int usb0clkctrl;	/* offset 0x260 */
297 	unsigned int resv13[103];
298 	unsigned int l4lsclkstctrl;	/* offset 0x400 */
299 	unsigned int resv14[7];
300 	unsigned int l4lsclkctrl;	/* offset 0x420 */
301 	unsigned int resv15;
302 	unsigned int dcan0clkctrl;	/* offset 0x428 */
303 	unsigned int resv16;
304 	unsigned int dcan1clkctrl;	/* offset 0x430 */
305 	unsigned int resv17[13];
306 	unsigned int elmclkctrl;	/* offset 0x468 */
307 
308 	unsigned int resv18[3];
309 	unsigned int gpio1clkctrl;	/* offset 0x478 */
310 	unsigned int resv19;
311 	unsigned int gpio2clkctrl;	/* offset 0x480 */
312 	unsigned int resv20;
313 	unsigned int gpio3clkctrl;	/* offset 0x488 */
314 	unsigned int resv21[7];
315 
316 	unsigned int i2c1clkctrl;	/* offset 0x4A8 */
317 	unsigned int resv22;
318 	unsigned int i2c2clkctrl;	/* offset 0x4B0 */
319 	unsigned int resv23[3];
320 	unsigned int mmc0clkctrl;	/* offset 0x4C0 */
321 	unsigned int resv24;
322 	unsigned int mmc1clkctrl;	/* offset 0x4C8 */
323 
324 	unsigned int resv25[13];
325 	unsigned int spi0clkctrl;	/* offset 0x500 */
326 	unsigned int resv26;
327 	unsigned int spi1clkctrl;	/* offset 0x508 */
328 	unsigned int resv27[9];
329 	unsigned int timer2clkctrl;	/* offset 0x530 */
330 	unsigned int resv28;
331 	unsigned int timer3clkctrl;	/* offset 0x538 */
332 	unsigned int resv29;
333 	unsigned int timer4clkctrl;	/* offset 0x540 */
334 	unsigned int resv30[5];
335 	unsigned int timer7clkctrl;	/* offset 0x558 */
336 
337 	unsigned int resv31[9];
338 	unsigned int uart1clkctrl;	/* offset 0x580 */
339 	unsigned int resv32;
340 	unsigned int uart2clkctrl;	/* offset 0x588 */
341 	unsigned int resv33;
342 	unsigned int uart3clkctrl;	/* offset 0x590 */
343 	unsigned int resv34;
344 	unsigned int uart4clkctrl;	/* offset 0x598 */
345 	unsigned int resv35;
346 	unsigned int uart5clkctrl;	/* offset 0x5A0 */
347 	unsigned int resv36[87];
348 
349 	unsigned int emifclkstctrl;	/* offset 0x700 */
350 	unsigned int resv361[7];
351 	unsigned int emifclkctrl;	/* offset 0x720 */
352 	unsigned int resv37[3];
353 	unsigned int emiffwclkctrl;	/* offset 0x730 */
354 	unsigned int resv371;
355 	unsigned int otfaemifclkctrl;	/* offset 0x738 */
356 	unsigned int resv38[57];
357 	unsigned int lcdclkctrl;	/* offset 0x820 */
358 	unsigned int resv39[183];
359 	unsigned int cpswclkstctrl;	/* offset 0xB00 */
360 	unsigned int resv40[7];
361 	unsigned int cpgmac0clkctrl;	/* offset 0xB20 */
362 };
363 #endif /* CONFIG_AM43XX */
364 
365 /* Encapsulating Display pll registers */
366 struct cm_dpll {
367 	unsigned int resv1[2];
368 	unsigned int clktimer2clk;	/* offset 0x08 */
369 };
370 
371 /* Control Module RTC registers */
372 struct cm_rtc {
373 	unsigned int rtcclkctrl;	/* offset 0x0 */
374 	unsigned int clkstctrl;		/* offset 0x4 */
375 };
376 
377 /* Watchdog timer registers */
378 struct wd_timer {
379 	unsigned int resv1[4];
380 	unsigned int wdtwdsc;	/* offset 0x010 */
381 	unsigned int wdtwdst;	/* offset 0x014 */
382 	unsigned int wdtwisr;	/* offset 0x018 */
383 	unsigned int wdtwier;	/* offset 0x01C */
384 	unsigned int wdtwwer;	/* offset 0x020 */
385 	unsigned int wdtwclr;	/* offset 0x024 */
386 	unsigned int wdtwcrr;	/* offset 0x028 */
387 	unsigned int wdtwldr;	/* offset 0x02C */
388 	unsigned int wdtwtgr;	/* offset 0x030 */
389 	unsigned int wdtwwps;	/* offset 0x034 */
390 	unsigned int resv2[3];
391 	unsigned int wdtwdly;	/* offset 0x044 */
392 	unsigned int wdtwspr;	/* offset 0x048 */
393 	unsigned int resv3[1];
394 	unsigned int wdtwqeoi;	/* offset 0x050 */
395 	unsigned int wdtwqstar;	/* offset 0x054 */
396 	unsigned int wdtwqsta;	/* offset 0x058 */
397 	unsigned int wdtwqens;	/* offset 0x05C */
398 	unsigned int wdtwqenc;	/* offset 0x060 */
399 	unsigned int resv4[39];
400 	unsigned int wdt_unfr;	/* offset 0x100 */
401 };
402 
403 /* Timer 32 bit registers */
404 struct gptimer {
405 	unsigned int tidr;		/* offset 0x00 */
406 	unsigned char res1[12];
407 	unsigned int tiocp_cfg;		/* offset 0x10 */
408 	unsigned char res2[12];
409 	unsigned int tier;		/* offset 0x20 */
410 	unsigned int tistatr;		/* offset 0x24 */
411 	unsigned int tistat;		/* offset 0x28 */
412 	unsigned int tisr;		/* offset 0x2c */
413 	unsigned int tcicr;		/* offset 0x30 */
414 	unsigned int twer;		/* offset 0x34 */
415 	unsigned int tclr;		/* offset 0x38 */
416 	unsigned int tcrr;		/* offset 0x3c */
417 	unsigned int tldr;		/* offset 0x40 */
418 	unsigned int ttgr;		/* offset 0x44 */
419 	unsigned int twpc;		/* offset 0x48 */
420 	unsigned int tmar;		/* offset 0x4c */
421 	unsigned int tcar1;		/* offset 0x50 */
422 	unsigned int tscir;		/* offset 0x54 */
423 	unsigned int tcar2;		/* offset 0x58 */
424 };
425 
426 /* RTC Registers */
427 struct rtc_regs {
428 	unsigned int res[21];
429 	unsigned int osc;		/* offset 0x54 */
430 	unsigned int res2[5];
431 	unsigned int kick0r;		/* offset 0x6c */
432 	unsigned int kick1r;		/* offset 0x70 */
433 };
434 
435 /* UART Registers */
436 struct uart_sys {
437 	unsigned int resv1[21];
438 	unsigned int uartsyscfg;	/* offset 0x54 */
439 	unsigned int uartsyssts;	/* offset 0x58 */
440 };
441 
442 /* VTP Registers */
443 struct vtp_reg {
444 	unsigned int vtp0ctrlreg;
445 };
446 
447 /* Control Status Register */
448 struct ctrl_stat {
449 	unsigned int resv1[16];
450 	unsigned int statusreg;		/* ofset 0x40 */
451 	unsigned int resv2[51];
452 	unsigned int secure_emif_sdram_config;	/* offset 0x0110 */
453 };
454 
455 /* AM33XX GPIO registers */
456 #define OMAP_GPIO_REVISION		0x0000
457 #define OMAP_GPIO_SYSCONFIG		0x0010
458 #define OMAP_GPIO_SYSSTATUS		0x0114
459 #define OMAP_GPIO_IRQSTATUS1		0x002c
460 #define OMAP_GPIO_IRQSTATUS2		0x0030
461 #define OMAP_GPIO_CTRL			0x0130
462 #define OMAP_GPIO_OE			0x0134
463 #define OMAP_GPIO_DATAIN		0x0138
464 #define OMAP_GPIO_DATAOUT		0x013c
465 #define OMAP_GPIO_LEVELDETECT0		0x0140
466 #define OMAP_GPIO_LEVELDETECT1		0x0144
467 #define OMAP_GPIO_RISINGDETECT		0x0148
468 #define OMAP_GPIO_FALLINGDETECT		0x014c
469 #define OMAP_GPIO_DEBOUNCE_EN		0x0150
470 #define OMAP_GPIO_DEBOUNCE_VAL		0x0154
471 #define OMAP_GPIO_CLEARDATAOUT		0x0190
472 #define OMAP_GPIO_SETDATAOUT		0x0194
473 
474 /* Control Device Register */
475 struct ctrl_dev {
476 	unsigned int deviceid;		/* offset 0x00 */
477 	unsigned int resv1[7];
478 	unsigned int usb_ctrl0;		/* offset 0x20 */
479 	unsigned int resv2;
480 	unsigned int usb_ctrl1;		/* offset 0x28 */
481 	unsigned int resv3;
482 	unsigned int macid0l;		/* offset 0x30 */
483 	unsigned int macid0h;		/* offset 0x34 */
484 	unsigned int macid1l;		/* offset 0x38 */
485 	unsigned int macid1h;		/* offset 0x3c */
486 	unsigned int resv4[4];
487 	unsigned int miisel;		/* offset 0x50 */
488 };
489 #endif /* __ASSEMBLY__ */
490 #endif /* __KERNEL_STRICT_NAMES */
491 
492 #endif /* _AM33XX_CPU_H */
493