1 /*
2  * cpu.h
3  *
4  * AM33xx specific header file
5  *
6  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE.  See the
16  * GNU General Public License for more details.
17  */
18 
19 #ifndef _AM33XX_CPU_H
20 #define _AM33XX_CPU_H
21 
22 #if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__))
23 #include <asm/types.h>
24 #endif /* !(__KERNEL_STRICT_NAMES || __ASSEMBLY__) */
25 
26 #include <asm/arch/hardware.h>
27 
28 #define BIT(x)				(1 << x)
29 #define CL_BIT(x)			(0 << x)
30 
31 /* Timer register bits */
32 #define TCLR_ST				BIT(0)	/* Start=1 Stop=0 */
33 #define TCLR_AR				BIT(1)	/* Auto reload */
34 #define TCLR_PRE			BIT(5)	/* Pre-scaler enable */
35 #define TCLR_PTV_SHIFT			(2)	/* Pre-scaler shift value */
36 #define TCLR_PRE_DISABLE		CL_BIT(5) /* Pre-scalar disable */
37 
38 /* device type */
39 #define DEVICE_MASK			(BIT(8) | BIT(9) | BIT(10))
40 #define TST_DEVICE			0x0
41 #define EMU_DEVICE			0x1
42 #define HS_DEVICE			0x2
43 #define GP_DEVICE			0x3
44 
45 /* cpu-id for AM33XX and TI81XX family */
46 #define AM335X				0xB944
47 #define TI81XX				0xB81E
48 #define DEVICE_ID			(CTRL_BASE + 0x0600)
49 
50 /* This gives the status of the boot mode pins on the evm */
51 #define SYSBOOT_MASK			(BIT(0) | BIT(1) | BIT(2)\
52 					| BIT(3) | BIT(4))
53 
54 /* Reset control */
55 #ifdef CONFIG_AM33XX
56 #define PRM_RSTCTRL			(PRCM_BASE + 0x0F00)
57 #elif defined(CONFIG_TI814X)
58 #define PRM_RSTCTRL			(PRCM_BASE + 0x00A0)
59 #endif
60 #define PRM_RSTST			(PRM_RSTCTRL + 8)
61 #define PRM_RSTCTRL_RESET		0x01
62 #define PRM_RSTST_WARM_RESET_MASK	0x232
63 
64 #ifndef __KERNEL_STRICT_NAMES
65 #ifndef __ASSEMBLY__
66 struct gpmc_cs {
67 	u32 config1;		/* 0x00 */
68 	u32 config2;		/* 0x04 */
69 	u32 config3;		/* 0x08 */
70 	u32 config4;		/* 0x0C */
71 	u32 config5;		/* 0x10 */
72 	u32 config6;		/* 0x14 */
73 	u32 config7;		/* 0x18 */
74 	u32 nand_cmd;		/* 0x1C */
75 	u32 nand_adr;		/* 0x20 */
76 	u32 nand_dat;		/* 0x24 */
77 	u8 res[8];		/* blow up to 0x30 byte */
78 };
79 
80 struct bch_res_0_3 {
81 	u32 bch_result_x[4];
82 };
83 
84 struct gpmc {
85 	u8 res1[0x10];
86 	u32 sysconfig;		/* 0x10 */
87 	u8 res2[0x4];
88 	u32 irqstatus;		/* 0x18 */
89 	u32 irqenable;		/* 0x1C */
90 	u8 res3[0x20];
91 	u32 timeout_control;	/* 0x40 */
92 	u8 res4[0xC];
93 	u32 config;		/* 0x50 */
94 	u32 status;		/* 0x54 */
95 	u8 res5[0x8];		/* 0x58 */
96 	struct gpmc_cs cs[8];	/* 0x60, 0x90, .. */
97 	u8 res6[0x14];		/* 0x1E0 */
98 	u32 ecc_config;		/* 0x1F4 */
99 	u32 ecc_control;	/* 0x1F8 */
100 	u32 ecc_size_config;	/* 0x1FC */
101 	u32 ecc1_result;	/* 0x200 */
102 	u32 ecc2_result;	/* 0x204 */
103 	u32 ecc3_result;	/* 0x208 */
104 	u32 ecc4_result;	/* 0x20C */
105 	u32 ecc5_result;	/* 0x210 */
106 	u32 ecc6_result;	/* 0x214 */
107 	u32 ecc7_result;	/* 0x218 */
108 	u32 ecc8_result;	/* 0x21C */
109 	u32 ecc9_result;	/* 0x220 */
110 	u8 res7[12];		/* 0x224 */
111 	u32 testmomde_ctrl;	/* 0x230 */
112 	u8 res8[12];		/* 0x234 */
113 	struct bch_res_0_3 bch_result_0_3[2];	/* 0x240 */
114 };
115 
116 /* Used for board specific gpmc initialization */
117 extern struct gpmc *gpmc_cfg;
118 
119 /* Encapsulating core pll registers */
120 struct cm_wkuppll {
121 	unsigned int wkclkstctrl;	/* offset 0x00 */
122 	unsigned int wkctrlclkctrl;	/* offset 0x04 */
123 	unsigned int wkgpio0clkctrl;	/* offset 0x08 */
124 	unsigned int wkl4wkclkctrl;	/* offset 0x0c */
125 	unsigned int resv2[4];
126 	unsigned int idlestdpllmpu;	/* offset 0x20 */
127 	unsigned int resv3[2];
128 	unsigned int clkseldpllmpu;	/* offset 0x2c */
129 	unsigned int resv4[1];
130 	unsigned int idlestdpllddr;	/* offset 0x34 */
131 	unsigned int resv5[2];
132 	unsigned int clkseldpllddr;	/* offset 0x40 */
133 	unsigned int resv6[4];
134 	unsigned int clkseldplldisp;	/* offset 0x54 */
135 	unsigned int resv7[1];
136 	unsigned int idlestdpllcore;	/* offset 0x5c */
137 	unsigned int resv8[2];
138 	unsigned int clkseldpllcore;	/* offset 0x68 */
139 	unsigned int resv9[1];
140 	unsigned int idlestdpllper;	/* offset 0x70 */
141 	unsigned int resv10[2];
142 	unsigned int clkdcoldodpllper;	/* offset 0x7c */
143 	unsigned int divm4dpllcore;	/* offset 0x80 */
144 	unsigned int divm5dpllcore;	/* offset 0x84 */
145 	unsigned int clkmoddpllmpu;	/* offset 0x88 */
146 	unsigned int clkmoddpllper;	/* offset 0x8c */
147 	unsigned int clkmoddpllcore;	/* offset 0x90 */
148 	unsigned int clkmoddpllddr;	/* offset 0x94 */
149 	unsigned int clkmoddplldisp;	/* offset 0x98 */
150 	unsigned int clkseldpllper;	/* offset 0x9c */
151 	unsigned int divm2dpllddr;	/* offset 0xA0 */
152 	unsigned int divm2dplldisp;	/* offset 0xA4 */
153 	unsigned int divm2dpllmpu;	/* offset 0xA8 */
154 	unsigned int divm2dpllper;	/* offset 0xAC */
155 	unsigned int resv11[1];
156 	unsigned int wkup_uart0ctrl;	/* offset 0xB4 */
157 	unsigned int wkup_i2c0ctrl;	/* offset 0xB8 */
158 	unsigned int resv12[7];
159 	unsigned int divm6dpllcore;	/* offset 0xD8 */
160 };
161 
162 /**
163  * Encapsulating peripheral functional clocks
164  * pll registers
165  */
166 struct cm_perpll {
167 	unsigned int l4lsclkstctrl;	/* offset 0x00 */
168 	unsigned int l3sclkstctrl;	/* offset 0x04 */
169 	unsigned int l4fwclkstctrl;	/* offset 0x08 */
170 	unsigned int l3clkstctrl;	/* offset 0x0c */
171 	unsigned int resv1;
172 	unsigned int cpgmac0clkctrl;	/* offset 0x14 */
173 	unsigned int lcdclkctrl;	/* offset 0x18 */
174 	unsigned int usb0clkctrl;	/* offset 0x1C */
175 	unsigned int resv2;
176 	unsigned int tptc0clkctrl;	/* offset 0x24 */
177 	unsigned int emifclkctrl;	/* offset 0x28 */
178 	unsigned int ocmcramclkctrl;	/* offset 0x2c */
179 	unsigned int gpmcclkctrl;	/* offset 0x30 */
180 	unsigned int mcasp0clkctrl;	/* offset 0x34 */
181 	unsigned int uart5clkctrl;	/* offset 0x38 */
182 	unsigned int mmc0clkctrl;	/* offset 0x3C */
183 	unsigned int elmclkctrl;	/* offset 0x40 */
184 	unsigned int i2c2clkctrl;	/* offset 0x44 */
185 	unsigned int i2c1clkctrl;	/* offset 0x48 */
186 	unsigned int spi0clkctrl;	/* offset 0x4C */
187 	unsigned int spi1clkctrl;	/* offset 0x50 */
188 	unsigned int resv3[3];
189 	unsigned int l4lsclkctrl;	/* offset 0x60 */
190 	unsigned int l4fwclkctrl;	/* offset 0x64 */
191 	unsigned int mcasp1clkctrl;	/* offset 0x68 */
192 	unsigned int uart1clkctrl;	/* offset 0x6C */
193 	unsigned int uart2clkctrl;	/* offset 0x70 */
194 	unsigned int uart3clkctrl;	/* offset 0x74 */
195 	unsigned int uart4clkctrl;	/* offset 0x78 */
196 	unsigned int timer7clkctrl;	/* offset 0x7C */
197 	unsigned int timer2clkctrl;	/* offset 0x80 */
198 	unsigned int timer3clkctrl;	/* offset 0x84 */
199 	unsigned int timer4clkctrl;	/* offset 0x88 */
200 	unsigned int resv4[8];
201 	unsigned int gpio1clkctrl;	/* offset 0xAC */
202 	unsigned int gpio2clkctrl;	/* offset 0xB0 */
203 	unsigned int gpio3clkctrl;	/* offset 0xB4 */
204 	unsigned int resv5;
205 	unsigned int tpccclkctrl;	/* offset 0xBC */
206 	unsigned int dcan0clkctrl;	/* offset 0xC0 */
207 	unsigned int dcan1clkctrl;	/* offset 0xC4 */
208 	unsigned int resv6[2];
209 	unsigned int emiffwclkctrl;	/* offset 0xD0 */
210 	unsigned int resv7[2];
211 	unsigned int l3instrclkctrl;	/* offset 0xDC */
212 	unsigned int l3clkctrl;		/* Offset 0xE0 */
213 	unsigned int resv8[4];
214 	unsigned int mmc1clkctrl;	/* offset 0xF4 */
215 	unsigned int mmc2clkctrl;	/* offset 0xF8 */
216 	unsigned int resv9[8];
217 	unsigned int l4hsclkstctrl;	/* offset 0x11C */
218 	unsigned int l4hsclkctrl;	/* offset 0x120 */
219 	unsigned int resv10[8];
220 	unsigned int cpswclkstctrl;	/* offset 0x144 */
221 };
222 
223 /* Encapsulating Display pll registers */
224 struct cm_dpll {
225 	unsigned int resv1[2];
226 	unsigned int clktimer2clk;	/* offset 0x08 */
227 };
228 
229 /* Control Module RTC registers */
230 struct cm_rtc {
231 	unsigned int rtcclkctrl;	/* offset 0x0 */
232 	unsigned int clkstctrl;		/* offset 0x4 */
233 };
234 
235 /* Watchdog timer registers */
236 struct wd_timer {
237 	unsigned int resv1[4];
238 	unsigned int wdtwdsc;	/* offset 0x010 */
239 	unsigned int wdtwdst;	/* offset 0x014 */
240 	unsigned int wdtwisr;	/* offset 0x018 */
241 	unsigned int wdtwier;	/* offset 0x01C */
242 	unsigned int wdtwwer;	/* offset 0x020 */
243 	unsigned int wdtwclr;	/* offset 0x024 */
244 	unsigned int wdtwcrr;	/* offset 0x028 */
245 	unsigned int wdtwldr;	/* offset 0x02C */
246 	unsigned int wdtwtgr;	/* offset 0x030 */
247 	unsigned int wdtwwps;	/* offset 0x034 */
248 	unsigned int resv2[3];
249 	unsigned int wdtwdly;	/* offset 0x044 */
250 	unsigned int wdtwspr;	/* offset 0x048 */
251 	unsigned int resv3[1];
252 	unsigned int wdtwqeoi;	/* offset 0x050 */
253 	unsigned int wdtwqstar;	/* offset 0x054 */
254 	unsigned int wdtwqsta;	/* offset 0x058 */
255 	unsigned int wdtwqens;	/* offset 0x05C */
256 	unsigned int wdtwqenc;	/* offset 0x060 */
257 	unsigned int resv4[39];
258 	unsigned int wdt_unfr;	/* offset 0x100 */
259 };
260 
261 /* Timer 32 bit registers */
262 struct gptimer {
263 	unsigned int tidr;		/* offset 0x00 */
264 	unsigned char res1[12];
265 	unsigned int tiocp_cfg;		/* offset 0x10 */
266 	unsigned char res2[12];
267 	unsigned int tier;		/* offset 0x20 */
268 	unsigned int tistatr;		/* offset 0x24 */
269 	unsigned int tistat;		/* offset 0x28 */
270 	unsigned int tisr;		/* offset 0x2c */
271 	unsigned int tcicr;		/* offset 0x30 */
272 	unsigned int twer;		/* offset 0x34 */
273 	unsigned int tclr;		/* offset 0x38 */
274 	unsigned int tcrr;		/* offset 0x3c */
275 	unsigned int tldr;		/* offset 0x40 */
276 	unsigned int ttgr;		/* offset 0x44 */
277 	unsigned int twpc;		/* offset 0x48 */
278 	unsigned int tmar;		/* offset 0x4c */
279 	unsigned int tcar1;		/* offset 0x50 */
280 	unsigned int tscir;		/* offset 0x54 */
281 	unsigned int tcar2;		/* offset 0x58 */
282 };
283 
284 /* RTC Registers */
285 struct rtc_regs {
286 	unsigned int res[21];
287 	unsigned int osc;		/* offset 0x54 */
288 	unsigned int res2[5];
289 	unsigned int kick0r;		/* offset 0x6c */
290 	unsigned int kick1r;		/* offset 0x70 */
291 };
292 
293 /* UART Registers */
294 struct uart_sys {
295 	unsigned int resv1[21];
296 	unsigned int uartsyscfg;	/* offset 0x54 */
297 	unsigned int uartsyssts;	/* offset 0x58 */
298 };
299 
300 /* VTP Registers */
301 struct vtp_reg {
302 	unsigned int vtp0ctrlreg;
303 };
304 
305 /* Control Status Register */
306 struct ctrl_stat {
307 	unsigned int resv1[16];
308 	unsigned int statusreg;		/* ofset 0x40 */
309 	unsigned int resv2[51];
310 	unsigned int secure_emif_sdram_config;	/* offset 0x0110 */
311 };
312 
313 /* AM33XX GPIO registers */
314 #define OMAP_GPIO_REVISION		0x0000
315 #define OMAP_GPIO_SYSCONFIG		0x0010
316 #define OMAP_GPIO_SYSSTATUS		0x0114
317 #define OMAP_GPIO_IRQSTATUS1		0x002c
318 #define OMAP_GPIO_IRQSTATUS2		0x0030
319 #define OMAP_GPIO_CTRL			0x0130
320 #define OMAP_GPIO_OE			0x0134
321 #define OMAP_GPIO_DATAIN		0x0138
322 #define OMAP_GPIO_DATAOUT		0x013c
323 #define OMAP_GPIO_LEVELDETECT0		0x0140
324 #define OMAP_GPIO_LEVELDETECT1		0x0144
325 #define OMAP_GPIO_RISINGDETECT		0x0148
326 #define OMAP_GPIO_FALLINGDETECT		0x014c
327 #define OMAP_GPIO_DEBOUNCE_EN		0x0150
328 #define OMAP_GPIO_DEBOUNCE_VAL		0x0154
329 #define OMAP_GPIO_CLEARDATAOUT		0x0190
330 #define OMAP_GPIO_SETDATAOUT		0x0194
331 
332 /* Control Device Register */
333 struct ctrl_dev {
334 	unsigned int deviceid;		/* offset 0x00 */
335 	unsigned int resv1[7];
336 	unsigned int usb_ctrl0;		/* offset 0x20 */
337 	unsigned int resv2;
338 	unsigned int usb_ctrl1;		/* offset 0x28 */
339 	unsigned int resv3;
340 	unsigned int macid0l;		/* offset 0x30 */
341 	unsigned int macid0h;		/* offset 0x34 */
342 	unsigned int macid1l;		/* offset 0x38 */
343 	unsigned int macid1h;		/* offset 0x3c */
344 	unsigned int resv4[4];
345 	unsigned int miisel;		/* offset 0x50 */
346 };
347 #endif /* __ASSEMBLY__ */
348 #endif /* __KERNEL_STRICT_NAMES */
349 
350 #endif /* _AM33XX_CPU_H */
351