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 family */
46 #define AM335X				0xB944
47 #define DEVICE_ID			0x44E10600
48 
49 /* This gives the status of the boot mode pins on the evm */
50 #define SYSBOOT_MASK			(BIT(0) | BIT(1) | BIT(2)\
51 					| BIT(3) | BIT(4))
52 
53 /* Reset control */
54 #ifdef CONFIG_AM33XX
55 #define PRM_RSTCTRL			0x44E00F00
56 #define PRM_RSTST			0x44E00F08
57 #endif
58 #define PRM_RSTCTRL_RESET		0x01
59 #define PRM_RSTST_WARM_RESET_MASK	0x232
60 
61 #ifndef __KERNEL_STRICT_NAMES
62 #ifndef __ASSEMBLY__
63 struct gpmc_cs {
64 	u32 config1;		/* 0x00 */
65 	u32 config2;		/* 0x04 */
66 	u32 config3;		/* 0x08 */
67 	u32 config4;		/* 0x0C */
68 	u32 config5;		/* 0x10 */
69 	u32 config6;		/* 0x14 */
70 	u32 config7;		/* 0x18 */
71 	u32 nand_cmd;		/* 0x1C */
72 	u32 nand_adr;		/* 0x20 */
73 	u32 nand_dat;		/* 0x24 */
74 	u8 res[8];		/* blow up to 0x30 byte */
75 };
76 
77 struct bch_res_0_3 {
78 	u32 bch_result_x[4];
79 };
80 
81 struct gpmc {
82 	u8 res1[0x10];
83 	u32 sysconfig;		/* 0x10 */
84 	u8 res2[0x4];
85 	u32 irqstatus;		/* 0x18 */
86 	u32 irqenable;		/* 0x1C */
87 	u8 res3[0x20];
88 	u32 timeout_control;	/* 0x40 */
89 	u8 res4[0xC];
90 	u32 config;		/* 0x50 */
91 	u32 status;		/* 0x54 */
92 	u8 res5[0x8];		/* 0x58 */
93 	struct gpmc_cs cs[8];	/* 0x60, 0x90, .. */
94 	u8 res6[0x14];		/* 0x1E0 */
95 	u32 ecc_config;		/* 0x1F4 */
96 	u32 ecc_control;	/* 0x1F8 */
97 	u32 ecc_size_config;	/* 0x1FC */
98 	u32 ecc1_result;	/* 0x200 */
99 	u32 ecc2_result;	/* 0x204 */
100 	u32 ecc3_result;	/* 0x208 */
101 	u32 ecc4_result;	/* 0x20C */
102 	u32 ecc5_result;	/* 0x210 */
103 	u32 ecc6_result;	/* 0x214 */
104 	u32 ecc7_result;	/* 0x218 */
105 	u32 ecc8_result;	/* 0x21C */
106 	u32 ecc9_result;	/* 0x220 */
107 	u8 res7[12];		/* 0x224 */
108 	u32 testmomde_ctrl;	/* 0x230 */
109 	u8 res8[12];		/* 0x234 */
110 	struct bch_res_0_3 bch_result_0_3[2];	/* 0x240 */
111 };
112 
113 /* Used for board specific gpmc initialization */
114 extern struct gpmc *gpmc_cfg;
115 
116 /* Encapsulating core pll registers */
117 struct cm_wkuppll {
118 	unsigned int wkclkstctrl;	/* offset 0x00 */
119 	unsigned int wkctrlclkctrl;	/* offset 0x04 */
120 	unsigned int wkgpio0clkctrl;	/* offset 0x08 */
121 	unsigned int wkl4wkclkctrl;	/* offset 0x0c */
122 	unsigned int resv2[4];
123 	unsigned int idlestdpllmpu;	/* offset 0x20 */
124 	unsigned int resv3[2];
125 	unsigned int clkseldpllmpu;	/* offset 0x2c */
126 	unsigned int resv4[1];
127 	unsigned int idlestdpllddr;	/* offset 0x34 */
128 	unsigned int resv5[2];
129 	unsigned int clkseldpllddr;	/* offset 0x40 */
130 	unsigned int resv6[4];
131 	unsigned int clkseldplldisp;	/* offset 0x54 */
132 	unsigned int resv7[1];
133 	unsigned int idlestdpllcore;	/* offset 0x5c */
134 	unsigned int resv8[2];
135 	unsigned int clkseldpllcore;	/* offset 0x68 */
136 	unsigned int resv9[1];
137 	unsigned int idlestdpllper;	/* offset 0x70 */
138 	unsigned int resv10[2];
139 	unsigned int clkdcoldodpllper;	/* offset 0x7c */
140 	unsigned int divm4dpllcore;	/* offset 0x80 */
141 	unsigned int divm5dpllcore;	/* offset 0x84 */
142 	unsigned int clkmoddpllmpu;	/* offset 0x88 */
143 	unsigned int clkmoddpllper;	/* offset 0x8c */
144 	unsigned int clkmoddpllcore;	/* offset 0x90 */
145 	unsigned int clkmoddpllddr;	/* offset 0x94 */
146 	unsigned int clkmoddplldisp;	/* offset 0x98 */
147 	unsigned int clkseldpllper;	/* offset 0x9c */
148 	unsigned int divm2dpllddr;	/* offset 0xA0 */
149 	unsigned int divm2dplldisp;	/* offset 0xA4 */
150 	unsigned int divm2dpllmpu;	/* offset 0xA8 */
151 	unsigned int divm2dpllper;	/* offset 0xAC */
152 	unsigned int resv11[1];
153 	unsigned int wkup_uart0ctrl;	/* offset 0xB4 */
154 	unsigned int wkup_i2c0ctrl;	/* offset 0xB8 */
155 	unsigned int resv12[7];
156 	unsigned int divm6dpllcore;	/* offset 0xD8 */
157 };
158 
159 /**
160  * Encapsulating peripheral functional clocks
161  * pll registers
162  */
163 struct cm_perpll {
164 	unsigned int l4lsclkstctrl;	/* offset 0x00 */
165 	unsigned int l3sclkstctrl;	/* offset 0x04 */
166 	unsigned int l4fwclkstctrl;	/* offset 0x08 */
167 	unsigned int l3clkstctrl;	/* offset 0x0c */
168 	unsigned int resv1;
169 	unsigned int cpgmac0clkctrl;	/* offset 0x14 */
170 	unsigned int lcdclkctrl;	/* offset 0x18 */
171 	unsigned int usb0clkctrl;	/* offset 0x1C */
172 	unsigned int resv2;
173 	unsigned int tptc0clkctrl;	/* offset 0x24 */
174 	unsigned int emifclkctrl;	/* offset 0x28 */
175 	unsigned int ocmcramclkctrl;	/* offset 0x2c */
176 	unsigned int gpmcclkctrl;	/* offset 0x30 */
177 	unsigned int mcasp0clkctrl;	/* offset 0x34 */
178 	unsigned int uart5clkctrl;	/* offset 0x38 */
179 	unsigned int mmc0clkctrl;	/* offset 0x3C */
180 	unsigned int elmclkctrl;	/* offset 0x40 */
181 	unsigned int i2c2clkctrl;	/* offset 0x44 */
182 	unsigned int i2c1clkctrl;	/* offset 0x48 */
183 	unsigned int spi0clkctrl;	/* offset 0x4C */
184 	unsigned int spi1clkctrl;	/* offset 0x50 */
185 	unsigned int resv3[3];
186 	unsigned int l4lsclkctrl;	/* offset 0x60 */
187 	unsigned int l4fwclkctrl;	/* offset 0x64 */
188 	unsigned int mcasp1clkctrl;	/* offset 0x68 */
189 	unsigned int uart1clkctrl;	/* offset 0x6C */
190 	unsigned int uart2clkctrl;	/* offset 0x70 */
191 	unsigned int uart3clkctrl;	/* offset 0x74 */
192 	unsigned int uart4clkctrl;	/* offset 0x78 */
193 	unsigned int timer7clkctrl;	/* offset 0x7C */
194 	unsigned int timer2clkctrl;	/* offset 0x80 */
195 	unsigned int timer3clkctrl;	/* offset 0x84 */
196 	unsigned int timer4clkctrl;	/* offset 0x88 */
197 	unsigned int resv4[8];
198 	unsigned int gpio1clkctrl;	/* offset 0xAC */
199 	unsigned int gpio2clkctrl;	/* offset 0xB0 */
200 	unsigned int gpio3clkctrl;	/* offset 0xB4 */
201 	unsigned int resv5;
202 	unsigned int tpccclkctrl;	/* offset 0xBC */
203 	unsigned int dcan0clkctrl;	/* offset 0xC0 */
204 	unsigned int dcan1clkctrl;	/* offset 0xC4 */
205 	unsigned int resv6[2];
206 	unsigned int emiffwclkctrl;	/* offset 0xD0 */
207 	unsigned int resv7[2];
208 	unsigned int l3instrclkctrl;	/* offset 0xDC */
209 	unsigned int l3clkctrl;		/* Offset 0xE0 */
210 	unsigned int resv8[4];
211 	unsigned int mmc1clkctrl;	/* offset 0xF4 */
212 	unsigned int mmc2clkctrl;	/* offset 0xF8 */
213 	unsigned int resv9[8];
214 	unsigned int l4hsclkstctrl;	/* offset 0x11C */
215 	unsigned int l4hsclkctrl;	/* offset 0x120 */
216 	unsigned int resv10[8];
217 	unsigned int cpswclkstctrl;	/* offset 0x144 */
218 };
219 
220 /* Encapsulating Display pll registers */
221 struct cm_dpll {
222 	unsigned int resv1[2];
223 	unsigned int clktimer2clk;	/* offset 0x08 */
224 };
225 
226 /* Control Module RTC registers */
227 struct cm_rtc {
228 	unsigned int rtcclkctrl;	/* offset 0x0 */
229 	unsigned int clkstctrl;		/* offset 0x4 */
230 };
231 
232 /* Watchdog timer registers */
233 struct wd_timer {
234 	unsigned int resv1[4];
235 	unsigned int wdtwdsc;	/* offset 0x010 */
236 	unsigned int wdtwdst;	/* offset 0x014 */
237 	unsigned int wdtwisr;	/* offset 0x018 */
238 	unsigned int wdtwier;	/* offset 0x01C */
239 	unsigned int wdtwwer;	/* offset 0x020 */
240 	unsigned int wdtwclr;	/* offset 0x024 */
241 	unsigned int wdtwcrr;	/* offset 0x028 */
242 	unsigned int wdtwldr;	/* offset 0x02C */
243 	unsigned int wdtwtgr;	/* offset 0x030 */
244 	unsigned int wdtwwps;	/* offset 0x034 */
245 	unsigned int resv2[3];
246 	unsigned int wdtwdly;	/* offset 0x044 */
247 	unsigned int wdtwspr;	/* offset 0x048 */
248 	unsigned int resv3[1];
249 	unsigned int wdtwqeoi;	/* offset 0x050 */
250 	unsigned int wdtwqstar;	/* offset 0x054 */
251 	unsigned int wdtwqsta;	/* offset 0x058 */
252 	unsigned int wdtwqens;	/* offset 0x05C */
253 	unsigned int wdtwqenc;	/* offset 0x060 */
254 	unsigned int resv4[39];
255 	unsigned int wdt_unfr;	/* offset 0x100 */
256 };
257 
258 /* Timer 32 bit registers */
259 struct gptimer {
260 	unsigned int tidr;		/* offset 0x00 */
261 	unsigned char res1[12];
262 	unsigned int tiocp_cfg;		/* offset 0x10 */
263 	unsigned char res2[12];
264 	unsigned int tier;		/* offset 0x20 */
265 	unsigned int tistatr;		/* offset 0x24 */
266 	unsigned int tistat;		/* offset 0x28 */
267 	unsigned int tisr;		/* offset 0x2c */
268 	unsigned int tcicr;		/* offset 0x30 */
269 	unsigned int twer;		/* offset 0x34 */
270 	unsigned int tclr;		/* offset 0x38 */
271 	unsigned int tcrr;		/* offset 0x3c */
272 	unsigned int tldr;		/* offset 0x40 */
273 	unsigned int ttgr;		/* offset 0x44 */
274 	unsigned int twpc;		/* offset 0x48 */
275 	unsigned int tmar;		/* offset 0x4c */
276 	unsigned int tcar1;		/* offset 0x50 */
277 	unsigned int tscir;		/* offset 0x54 */
278 	unsigned int tcar2;		/* offset 0x58 */
279 };
280 
281 /* RTC Registers */
282 struct rtc_regs {
283 	unsigned int res[21];
284 	unsigned int osc;		/* offset 0x54 */
285 	unsigned int res2[5];
286 	unsigned int kick0r;		/* offset 0x6c */
287 	unsigned int kick1r;		/* offset 0x70 */
288 };
289 
290 /* UART Registers */
291 struct uart_sys {
292 	unsigned int resv1[21];
293 	unsigned int uartsyscfg;	/* offset 0x54 */
294 	unsigned int uartsyssts;	/* offset 0x58 */
295 };
296 
297 /* VTP Registers */
298 struct vtp_reg {
299 	unsigned int vtp0ctrlreg;
300 };
301 
302 /* Control Status Register */
303 struct ctrl_stat {
304 	unsigned int resv1[16];
305 	unsigned int statusreg;		/* ofset 0x40 */
306 	unsigned int resv2[51];
307 	unsigned int secure_emif_sdram_config;	/* offset 0x0110 */
308 };
309 
310 /* AM33XX GPIO registers */
311 #define OMAP_GPIO_REVISION		0x0000
312 #define OMAP_GPIO_SYSCONFIG		0x0010
313 #define OMAP_GPIO_SYSSTATUS		0x0114
314 #define OMAP_GPIO_IRQSTATUS1		0x002c
315 #define OMAP_GPIO_IRQSTATUS2		0x0030
316 #define OMAP_GPIO_CTRL			0x0130
317 #define OMAP_GPIO_OE			0x0134
318 #define OMAP_GPIO_DATAIN		0x0138
319 #define OMAP_GPIO_DATAOUT		0x013c
320 #define OMAP_GPIO_LEVELDETECT0		0x0140
321 #define OMAP_GPIO_LEVELDETECT1		0x0144
322 #define OMAP_GPIO_RISINGDETECT		0x0148
323 #define OMAP_GPIO_FALLINGDETECT		0x014c
324 #define OMAP_GPIO_DEBOUNCE_EN		0x0150
325 #define OMAP_GPIO_DEBOUNCE_VAL		0x0154
326 #define OMAP_GPIO_CLEARDATAOUT		0x0190
327 #define OMAP_GPIO_SETDATAOUT		0x0194
328 
329 /* Control Device Register */
330 struct ctrl_dev {
331 	unsigned int deviceid;		/* offset 0x00 */
332 	unsigned int resv1[7];
333 	unsigned int usb_ctrl0;		/* offset 0x20 */
334 	unsigned int resv2;
335 	unsigned int usb_ctrl1;		/* offset 0x28 */
336 	unsigned int resv3;
337 	unsigned int macid0l;		/* offset 0x30 */
338 	unsigned int macid0h;		/* offset 0x34 */
339 	unsigned int macid1l;		/* offset 0x38 */
340 	unsigned int macid1h;		/* offset 0x3c */
341 	unsigned int resv4[4];
342 	unsigned int miisel;		/* offset 0x50 */
343 };
344 #endif /* __ASSEMBLY__ */
345 #endif /* __KERNEL_STRICT_NAMES */
346 
347 #endif /* _AM33XX_CPU_H */
348