summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/arch-tegra/clk_rst.h
blob: 074b3bca0b4fb31d6508f674e4d0e170093f7d3a (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
/*
 *  (C) Copyright 2010,2011
 *  NVIDIA Corporation <www.nvidia.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _TEGRA_CLK_RST_H_
#define _TEGRA_CLK_RST_H_

/* PLL registers - there are several PLLs in the clock controller */
struct clk_pll {
	uint pll_base;		/* the control register */
	uint pll_out[2];	/* output control */
	uint pll_misc;		/* other misc things */
};

/* PLL registers - there are several PLLs in the clock controller */
struct clk_pll_simple {
	uint pll_base;		/* the control register */
	uint pll_misc;		/* other misc things */
};

/* RST_DEV_(L,H,U,V,W)_(SET,CLR) and CLK_ENB_(L,H,U,V,W)_(SET,CLR) */
struct clk_set_clr {
	uint set;
	uint clr;
};

/*
 * Most PLLs use the clk_pll structure, but some have a simpler two-member
 * structure for which we use clk_pll_simple. The reason for this non-
 * othogonal setup is not stated.
 */
enum {
	TEGRA_CLK_PLLS		= 6,	/* Number of normal PLLs */
	TEGRA_CLK_SIMPLE_PLLS	= 3,	/* Number of simple PLLs */
	TEGRA_CLK_REGS		= 3,	/* Number of clock enable regs L/H/U */
	TEGRA_CLK_SOURCES	= 64,	/* Number of ppl clock sources L/H/U */
	TEGRA_CLK_REGS_VW	= 2,	/* Number of clock enable regs V/W */
	TEGRA_CLK_SOURCES_VW	= 32,	/* Number of ppl clock sources V/W*/
};

/* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
struct clk_rst_ctlr {
	uint crc_rst_src;			/* _RST_SOURCE_0,0x00 */
	uint crc_rst_dev[TEGRA_CLK_REGS];	/* _RST_DEVICES_L/H/U_0 */
	uint crc_clk_out_enb[TEGRA_CLK_REGS];	/* _CLK_OUT_ENB_L/H/U_0 */
	uint crc_reserved0;		/* reserved_0,		0x1C */
	uint crc_cclk_brst_pol;		/* _CCLK_BURST_POLICY_0,0x20 */
	uint crc_super_cclk_div;	/* _SUPER_CCLK_DIVIDER_0,0x24 */
	uint crc_sclk_brst_pol;		/* _SCLK_BURST_POLICY_0, 0x28 */
	uint crc_super_sclk_div;	/* _SUPER_SCLK_DIVIDER_0,0x2C */
	uint crc_clk_sys_rate;		/* _CLK_SYSTEM_RATE_0,	0x30 */
	uint crc_prog_dly_clk;		/* _PROG_DLY_CLK_0,	0x34 */
	uint crc_aud_sync_clk_rate;	/* _AUDIO_SYNC_CLK_RATE_0,0x38 */
	uint crc_reserved1;		/* reserved_1,		0x3C */
	uint crc_cop_clk_skip_plcy;	/* _COP_CLK_SKIP_POLICY_0,0x40 */
	uint crc_clk_mask_arm;		/* _CLK_MASK_ARM_0,	0x44 */
	uint crc_misc_clk_enb;		/* _MISC_CLK_ENB_0,	0x48 */
	uint crc_clk_cpu_cmplx;		/* _CLK_CPU_CMPLX_0,	0x4C */
	uint crc_osc_ctrl;		/* _OSC_CTRL_0,		0x50 */
	uint crc_pll_lfsr;		/* _PLL_LFSR_0,		0x54 */
	uint crc_osc_freq_det;		/* _OSC_FREQ_DET_0,	0x58 */
	uint crc_osc_freq_det_stat;	/* _OSC_FREQ_DET_STATUS_0,0x5C */
	uint crc_reserved2[8];		/* reserved_2[8],	0x60-7C */

	struct clk_pll crc_pll[TEGRA_CLK_PLLS];	/* PLLs from 0x80 to 0xdc */

	/* PLLs from 0xe0 to 0xf4    */
	struct clk_pll_simple crc_pll_simple[TEGRA_CLK_SIMPLE_PLLS];

	uint crc_reserved10;		/* _reserved_10,	0xF8 */
	uint crc_reserved11;		/* _reserved_11,	0xFC */

	uint crc_clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0...	0x100-1fc */

	uint crc_reserved20[64];	/* _reserved_20,	0x200-2fc */

	/* _RST_DEV_L/H/U_SET_0 0x300 ~ 0x314 */
	struct clk_set_clr crc_rst_dev_ex[TEGRA_CLK_REGS];

	uint crc_reserved30[2];		/* _reserved_30,	0x318, 0x31c */

	/* _CLK_ENB_L/H/U_CLR_0 0x320 ~ 0x334 */
	struct clk_set_clr crc_clk_enb_ex[TEGRA_CLK_REGS];

	uint crc_reserved31[2];		/* _reserved_31,	0x338, 0x33c */

	uint crc_cpu_cmplx_set;		/* _RST_CPU_CMPLX_SET_0,    0x340 */
	uint crc_cpu_cmplx_clr;		/* _RST_CPU_CMPLX_CLR_0,    0x344 */

	/* Additional (T30) registers */
	uint crc_clk_cpu_cmplx_set;	/* _CLK_CPU_CMPLX_SET_0,    0x348 */
	uint crc_clk_cpu_cmplx_clr;	/* _CLK_CPU_CMPLX_SET_0,    0x34c */

	uint crc_reserved32[2];		/* _reserved_32,      0x350,0x354 */

	uint crc_rst_dev_vw[TEGRA_CLK_REGS_VW]; /* _RST_DEVICES_V/W_0 */
	uint crc_clk_out_enb_vw[TEGRA_CLK_REGS_VW]; /* _CLK_OUT_ENB_V/W_0 */
	uint crc_cclkg_brst_pol;	/* _CCLKG_BURST_POLICY_0,   0x368 */
	uint crc_super_cclkg_div;	/* _SUPER_CCLKG_DIVIDER_0,  0x36C */
	uint crc_cclklp_brst_pol;	/* _CCLKLP_BURST_POLICY_0,  0x370 */
	uint crc_super_cclkp_div;	/* _SUPER_CCLKLP_DIVIDER_0, 0x374 */
	uint crc_clk_cpug_cmplx;	/* _CLK_CPUG_CMPLX_0,       0x378 */
	uint crc_clk_cpulp_cmplx;	/* _CLK_CPULP_CMPLX_0,      0x37C */
	uint crc_cpu_softrst_ctrl;	/* _CPU_SOFTRST_CTRL_0,     0x380 */
	uint crc_cpu_softrst_ctrl1;	/* _CPU_SOFTRST_CTR1L_0,    0x384 */
	uint crc_cpu_softrst_ctrl2;	/* _CPU_SOFTRST_CTRL2_0,    0x388 */
	uint crc_reserved33[9];		/* _reserved_33,        0x38c-3ac */
	uint crc_clk_src_vw[TEGRA_CLK_SOURCES_VW]; /* _G3D2_0..., 0x3b0-0x42c */
	/* _RST_DEV_V/W_SET_0 0x430 ~ 0x43c */
	struct clk_set_clr crc_rst_dev_ex_vw[TEGRA_CLK_REGS_VW];
	/* _CLK_ENB_V/W_CLR_0 0x440 ~ 0x44c */
	struct clk_set_clr crc_clk_enb_ex_vw[TEGRA_CLK_REGS_VW];
	/* Additional (T114) registers */
	uint crc_rst_cpug_cmplx_set;	/* _RST_CPUG_CMPLX_SET_0,  0x450 */
	uint crc_rst_cpug_cmplx_clr;	/* _RST_CPUG_CMPLX_CLR_0,  0x454 */
	uint crc_rst_cpulp_cmplx_set;	/* _RST_CPULP_CMPLX_SET_0, 0x458 */
	uint crc_rst_cpulp_cmplx_clr;	/* _RST_CPULP_CMPLX_CLR_0, 0x45C */
	uint crc_clk_cpug_cmplx_set;	/* _CLK_CPUG_CMPLX_SET_0,  0x460 */
	uint crc_clk_cpug_cmplx_clr;	/* _CLK_CPUG_CMPLX_CLR_0,  0x464 */
	uint crc_clk_cpulp_cmplx_set;	/* _CLK_CPULP_CMPLX_SET_0, 0x468 */
	uint crc_clk_cpulp_cmplx_clr;	/* _CLK_CPULP_CMPLX_CLR_0, 0x46C */
	uint crc_cpu_cmplx_status;	/* _CPU_CMPLX_STATUS_0,    0x470 */
	uint crc_reserved40[1];		/* _reserved_40,        0x474 */
	uint crc_intstatus;		/* __INTSTATUS_0,       0x478 */
	uint crc_intmask;		/* __INTMASK_0,         0x47C */
	uint crc_utmip_pll_cfg0;	/* _UTMIP_PLL_CFG0_0,	0x480 */
	uint crc_utmip_pll_cfg1;	/* _UTMIP_PLL_CFG1_0,	0x484 */
	uint crc_utmip_pll_cfg2;	/* _UTMIP_PLL_CFG2_0,	0x488 */

	uint crc_plle_aux;		/* _PLLE_AUX_0,		0x48C */
	uint crc_sata_pll_cfg0;		/* _SATA_PLL_CFG0_0,	0x490 */
	uint crc_sata_pll_cfg1;		/* _SATA_PLL_CFG1_0,	0x494 */
	uint crc_pcie_pll_cfg0;		/* _PCIE_PLL_CFG0_0,	0x498 */

	uint crc_prog_audio_dly_clk;	/* _PROG_AUDIO_DLY_CLK_0, 0x49C */
	uint crc_audio_sync_clk_i2s0;	/* _AUDIO_SYNC_CLK_I2S0_0, 0x4A0 */
	uint crc_audio_sync_clk_i2s1;	/* _AUDIO_SYNC_CLK_I2S1_0, 0x4A4 */
	uint crc_audio_sync_clk_i2s2;	/* _AUDIO_SYNC_CLK_I2S2_0, 0x4A8 */
	uint crc_audio_sync_clk_i2s3;	/* _AUDIO_SYNC_CLK_I2S3_0, 0x4AC */
	uint crc_audio_sync_clk_i2s4;	/* _AUDIO_SYNC_CLK_I2S4_0, 0x4B0 */
	uint crc_audio_sync_clk_spdif;	/* _AUDIO_SYNC_CLK_SPDIF_0, 0x4B4 */
};

/* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 */
#define CPU3_CLK_STP_SHIFT	11
#define CPU2_CLK_STP_SHIFT	10
#define CPU1_CLK_STP_SHIFT	9
#define CPU0_CLK_STP_SHIFT	8
#define CPU0_CLK_STP_MASK	(1U << CPU0_CLK_STP_SHIFT)

/* CLK_RST_CONTROLLER_PLLx_BASE_0 */
#define PLL_BYPASS_SHIFT	31
#define PLL_BYPASS_MASK		(1U << PLL_BYPASS_SHIFT)

#define PLL_ENABLE_SHIFT	30
#define PLL_ENABLE_MASK		(1U << PLL_ENABLE_SHIFT)

#define PLL_BASE_OVRRIDE_MASK	(1U << 28)

#define PLL_DIVP_SHIFT		20
#define PLL_DIVP_MASK		(7U << PLL_DIVP_SHIFT)

#define PLL_DIVN_SHIFT		8
#define PLL_DIVN_MASK		(0x3ffU << PLL_DIVN_SHIFT)

#define PLL_DIVM_SHIFT		0
#define PLL_DIVM_MASK		(0x1f << PLL_DIVM_SHIFT)

/* CLK_RST_CONTROLLER_PLLx_OUTx_0 */
#define PLL_OUT_RSTN		(1 << 0)
#define PLL_OUT_CLKEN		(1 << 1)
#define PLL_OUT_OVRRIDE		(1 << 2)

#define PLL_OUT_RATIO_SHIFT	8
#define PLL_OUT_RATIO_MASK	(0xffU << PLL_OUT_RATIO_SHIFT)

/* CLK_RST_CONTROLLER_PLLx_MISC_0 */
#define PLL_DCCON_SHIFT		20
#define PLL_DCCON_MASK		(1U << PLL_DCCON_SHIFT)

#define PLL_LOCK_ENABLE_SHIFT	18
#define PLL_LOCK_ENABLE_MASK	(1U << PLL_LOCK_ENABLE_SHIFT)

#define PLL_CPCON_SHIFT		8
#define PLL_CPCON_MASK		(15U << PLL_CPCON_SHIFT)

#define PLL_LFCON_SHIFT		4
#define PLL_LFCON_MASK		(15U << PLL_LFCON_SHIFT)

#define PLLU_VCO_FREQ_SHIFT	20
#define PLLU_VCO_FREQ_MASK	(1U << PLLU_VCO_FREQ_SHIFT)

#define PLLP_OUT1_OVR		(1 << 2)
#define PLLP_OUT2_OVR		(1 << 18)
#define PLLP_OUT3_OVR		(1 << 2)
#define PLLP_OUT4_OVR		(1 << 18)
#define PLLP_OUT1_RATIO		8
#define PLLP_OUT2_RATIO		24
#define PLLP_OUT3_RATIO		8
#define PLLP_OUT4_RATIO		24

enum {
	IN_408_OUT_204_DIVISOR = 2,
	IN_408_OUT_102_DIVISOR = 6,
	IN_408_OUT_48_DIVISOR = 15,
	IN_408_OUT_9_6_DIVISOR = 83,
};

/* CLK_RST_CONTROLLER_UTMIP_PLL_CFG1_0 */
#define PLLU_POWERDOWN		(1 << 16)
#define PLL_ENABLE_POWERDOWN	(1 << 14)
#define PLL_ACTIVE_POWERDOWN	(1 << 12)

/* CLK_RST_CONTROLLER_UTMIP_PLL_CFG2_0 */
#define UTMIP_FORCE_PD_SAMP_C_POWERDOWN		(1 << 4)
#define UTMIP_FORCE_PD_SAMP_B_POWERDOWN		(1 << 2)
#define UTMIP_FORCE_PD_SAMP_A_POWERDOWN		(1 << 0)

/* CLK_RST_CONTROLLER_OSC_CTRL_0 */
#define OSC_XOBP_SHIFT		1
#define OSC_XOBP_MASK		(1U << OSC_XOBP_SHIFT)

/*
 * CLK_RST_CONTROLLER_CLK_SOURCE_x_OUT_0 - the mask here is normally 8 bits
 * but can be 16. We could use knowledge we have to restrict the mask in
 * the 8-bit cases (the divider_bits value returned by
 * get_periph_clock_source()) but it does not seem worth it since the code
 * already checks the ranges of values it is writing, in clk_get_divider().
 */
#define OUT_CLK_DIVISOR_SHIFT	0
#define OUT_CLK_DIVISOR_MASK	(0xffff << OUT_CLK_DIVISOR_SHIFT)

#define OUT_CLK_SOURCE_SHIFT	30
#define OUT_CLK_SOURCE_MASK	(3U << OUT_CLK_SOURCE_SHIFT)

#define OUT_CLK_SOURCE4_SHIFT	28
#define OUT_CLK_SOURCE4_MASK	(15U << OUT_CLK_SOURCE4_SHIFT)

/* CLK_RST_CONTROLLER_SCLK_BURST_POLICY */
#define SCLK_SYS_STATE_SHIFT    28U
#define SCLK_SYS_STATE_MASK     (15U << SCLK_SYS_STATE_SHIFT)
enum {
	SCLK_SYS_STATE_STDBY,
	SCLK_SYS_STATE_IDLE,
	SCLK_SYS_STATE_RUN,
	SCLK_SYS_STATE_IRQ = 4U,
	SCLK_SYS_STATE_FIQ = 8U,
};
#define SCLK_COP_FIQ_MASK       (1 << 27)
#define SCLK_CPU_FIQ_MASK       (1 << 26)
#define SCLK_COP_IRQ_MASK       (1 << 25)
#define SCLK_CPU_IRQ_MASK       (1 << 24)

#define SCLK_SWAKEUP_FIQ_SOURCE_SHIFT		12
#define SCLK_SWAKEUP_FIQ_SOURCE_MASK		\
		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
#define SCLK_SWAKEUP_IRQ_SOURCE_SHIFT		8
#define SCLK_SWAKEUP_IRQ_SOURCE_MASK		\
		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
#define SCLK_SWAKEUP_RUN_SOURCE_SHIFT		4
#define SCLK_SWAKEUP_RUN_SOURCE_MASK		\
		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
#define SCLK_SWAKEUP_IDLE_SOURCE_SHIFT		0

#define SCLK_SWAKEUP_IDLE_SOURCE_MASK		\
		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
enum {
	SCLK_SOURCE_CLKM,
	SCLK_SOURCE_PLLC_OUT1,
	SCLK_SOURCE_PLLP_OUT4,
	SCLK_SOURCE_PLLP_OUT3,
	SCLK_SOURCE_PLLP_OUT2,
	SCLK_SOURCE_CLKD,
	SCLK_SOURCE_CLKS,
	SCLK_SOURCE_PLLM_OUT1,
};
#define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1    (7 << 12)
#define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1    (7 << 8)
#define SCLK_SWAKE_RUN_SRC_PLLM_OUT1    (7 << 4)
#define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1   (7 << 0)

/* CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER */
#define SUPER_SCLK_ENB_SHIFT		31U
#define SUPER_SCLK_ENB_MASK		(1U << 31)
#define SUPER_SCLK_DIVIDEND_SHIFT	8
#define SUPER_SCLK_DIVIDEND_MASK	(0xff << SUPER_SCLK_DIVIDEND_SHIFT)
#define SUPER_SCLK_DIVISOR_SHIFT	0
#define SUPER_SCLK_DIVISOR_MASK		(0xff << SUPER_SCLK_DIVISOR_SHIFT)

/* CLK_RST_CONTROLLER_CLK_SYSTEM_RATE */
#define CLK_SYS_RATE_HCLK_DISABLE_SHIFT 7
#define CLK_SYS_RATE_HCLK_DISABLE_MASK  (1 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT)
#define CLK_SYS_RATE_AHB_RATE_SHIFT     4
#define CLK_SYS_RATE_AHB_RATE_MASK      (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
#define CLK_SYS_RATE_PCLK_DISABLE_SHIFT 3
#define CLK_SYS_RATE_PCLK_DISABLE_MASK  (1 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT)
#define CLK_SYS_RATE_APB_RATE_SHIFT     0
#define CLK_SYS_RATE_APB_RATE_MASK      (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)

/* CLK_RST_CONTROLLER_RST_CPUxx_CMPLX_CLR */
#define CLR_CPURESET0   (1 << 0)
#define CLR_CPURESET1   (1 << 1)
#define CLR_CPURESET2   (1 << 2)
#define CLR_CPURESET3   (1 << 3)
#define CLR_DBGRESET0   (1 << 12)
#define CLR_DBGRESET1   (1 << 13)
#define CLR_DBGRESET2   (1 << 14)
#define CLR_DBGRESET3   (1 << 15)
#define CLR_CORERESET0  (1 << 16)
#define CLR_CORERESET1  (1 << 17)
#define CLR_CORERESET2  (1 << 18)
#define CLR_CORERESET3  (1 << 19)
#define CLR_CXRESET0    (1 << 20)
#define CLR_CXRESET1    (1 << 21)
#define CLR_CXRESET2    (1 << 22)
#define CLR_CXRESET3    (1 << 23)
#define CLR_NONCPURESET (1 << 29)

#endif	/* _TEGRA_CLK_RST_H_ */
OpenPOWER on IntegriCloud