1 /*
2  *  (C) Copyright 2010,2011
3  *  NVIDIA Corporation <www.nvidia.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _TEGRA_CLK_RST_H_
9 #define _TEGRA_CLK_RST_H_
10 
11 /* PLL registers - there are several PLLs in the clock controller */
12 struct clk_pll {
13 	uint pll_base;		/* the control register */
14 	uint pll_out[2];	/* output control */
15 	uint pll_misc;		/* other misc things */
16 };
17 
18 /* PLL registers - there are several PLLs in the clock controller */
19 struct clk_pll_simple {
20 	uint pll_base;		/* the control register */
21 	uint pll_misc;		/* other misc things */
22 };
23 
24 /* RST_DEV_(L,H,U,V,W)_(SET,CLR) and CLK_ENB_(L,H,U,V,W)_(SET,CLR) */
25 struct clk_set_clr {
26 	uint set;
27 	uint clr;
28 };
29 
30 /*
31  * Most PLLs use the clk_pll structure, but some have a simpler two-member
32  * structure for which we use clk_pll_simple. The reason for this non-
33  * othogonal setup is not stated.
34  */
35 enum {
36 	TEGRA_CLK_PLLS		= 6,	/* Number of normal PLLs */
37 	TEGRA_CLK_SIMPLE_PLLS	= 3,	/* Number of simple PLLs */
38 	TEGRA_CLK_REGS		= 3,	/* Number of clock enable regs L/H/U */
39 	TEGRA_CLK_SOURCES	= 64,	/* Number of ppl clock sources L/H/U */
40 	TEGRA_CLK_REGS_VW	= 2,	/* Number of clock enable regs V/W */
41 	TEGRA_CLK_SOURCES_VW	= 32,	/* Number of ppl clock sources V/W*/
42 };
43 
44 /* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
45 struct clk_rst_ctlr {
46 	uint crc_rst_src;			/* _RST_SOURCE_0,0x00 */
47 	uint crc_rst_dev[TEGRA_CLK_REGS];	/* _RST_DEVICES_L/H/U_0 */
48 	uint crc_clk_out_enb[TEGRA_CLK_REGS];	/* _CLK_OUT_ENB_L/H/U_0 */
49 	uint crc_reserved0;		/* reserved_0,		0x1C */
50 	uint crc_cclk_brst_pol;		/* _CCLK_BURST_POLICY_0,0x20 */
51 	uint crc_super_cclk_div;	/* _SUPER_CCLK_DIVIDER_0,0x24 */
52 	uint crc_sclk_brst_pol;		/* _SCLK_BURST_POLICY_0, 0x28 */
53 	uint crc_super_sclk_div;	/* _SUPER_SCLK_DIVIDER_0,0x2C */
54 	uint crc_clk_sys_rate;		/* _CLK_SYSTEM_RATE_0,	0x30 */
55 	uint crc_prog_dly_clk;		/* _PROG_DLY_CLK_0,	0x34 */
56 	uint crc_aud_sync_clk_rate;	/* _AUDIO_SYNC_CLK_RATE_0,0x38 */
57 	uint crc_reserved1;		/* reserved_1,		0x3C */
58 	uint crc_cop_clk_skip_plcy;	/* _COP_CLK_SKIP_POLICY_0,0x40 */
59 	uint crc_clk_mask_arm;		/* _CLK_MASK_ARM_0,	0x44 */
60 	uint crc_misc_clk_enb;		/* _MISC_CLK_ENB_0,	0x48 */
61 	uint crc_clk_cpu_cmplx;		/* _CLK_CPU_CMPLX_0,	0x4C */
62 	uint crc_osc_ctrl;		/* _OSC_CTRL_0,		0x50 */
63 	uint crc_pll_lfsr;		/* _PLL_LFSR_0,		0x54 */
64 	uint crc_osc_freq_det;		/* _OSC_FREQ_DET_0,	0x58 */
65 	uint crc_osc_freq_det_stat;	/* _OSC_FREQ_DET_STATUS_0,0x5C */
66 	uint crc_reserved2[8];		/* reserved_2[8],	0x60-7C */
67 
68 	struct clk_pll crc_pll[TEGRA_CLK_PLLS];	/* PLLs from 0x80 to 0xdc */
69 
70 	/* PLLs from 0xe0 to 0xf4    */
71 	struct clk_pll_simple crc_pll_simple[TEGRA_CLK_SIMPLE_PLLS];
72 
73 	uint crc_reserved10;		/* _reserved_10,	0xF8 */
74 	uint crc_reserved11;		/* _reserved_11,	0xFC */
75 
76 	uint crc_clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0...	0x100-1fc */
77 
78 	uint crc_reserved20[64];	/* _reserved_20,	0x200-2fc */
79 
80 	/* _RST_DEV_L/H/U_SET_0 0x300 ~ 0x314 */
81 	struct clk_set_clr crc_rst_dev_ex[TEGRA_CLK_REGS];
82 
83 	uint crc_reserved30[2];		/* _reserved_30,	0x318, 0x31c */
84 
85 	/* _CLK_ENB_L/H/U_CLR_0 0x320 ~ 0x334 */
86 	struct clk_set_clr crc_clk_enb_ex[TEGRA_CLK_REGS];
87 
88 	uint crc_reserved31[2];		/* _reserved_31,	0x338, 0x33c */
89 
90 	uint crc_cpu_cmplx_set;		/* _RST_CPU_CMPLX_SET_0,    0x340 */
91 	uint crc_cpu_cmplx_clr;		/* _RST_CPU_CMPLX_CLR_0,    0x344 */
92 
93 	/* Additional (T30) registers */
94 	uint crc_clk_cpu_cmplx_set;	/* _CLK_CPU_CMPLX_SET_0,    0x348 */
95 	uint crc_clk_cpu_cmplx_clr;	/* _CLK_CPU_CMPLX_SET_0,    0x34c */
96 
97 	uint crc_reserved32[2];		/* _reserved_32,      0x350,0x354 */
98 
99 	uint crc_rst_dev_vw[TEGRA_CLK_REGS_VW]; /* _RST_DEVICES_V/W_0 */
100 	uint crc_clk_out_enb_vw[TEGRA_CLK_REGS_VW]; /* _CLK_OUT_ENB_V/W_0 */
101 	uint crc_cclkg_brst_pol;	/* _CCLKG_BURST_POLICY_0,   0x368 */
102 	uint crc_super_cclkg_div;	/* _SUPER_CCLKG_DIVIDER_0,  0x36C */
103 	uint crc_cclklp_brst_pol;	/* _CCLKLP_BURST_POLICY_0,  0x370 */
104 	uint crc_super_cclkp_div;	/* _SUPER_CCLKLP_DIVIDER_0, 0x374 */
105 	uint crc_clk_cpug_cmplx;	/* _CLK_CPUG_CMPLX_0,       0x378 */
106 	uint crc_clk_cpulp_cmplx;	/* _CLK_CPULP_CMPLX_0,      0x37C */
107 	uint crc_cpu_softrst_ctrl;	/* _CPU_SOFTRST_CTRL_0,     0x380 */
108 	uint crc_cpu_softrst_ctrl1;	/* _CPU_SOFTRST_CTR1L_0,    0x384 */
109 	uint crc_cpu_softrst_ctrl2;	/* _CPU_SOFTRST_CTRL2_0,    0x388 */
110 	uint crc_reserved33[9];		/* _reserved_33,        0x38c-3ac */
111 	uint crc_clk_src_vw[TEGRA_CLK_SOURCES_VW]; /* _G3D2_0..., 0x3b0-0x42c */
112 	/* _RST_DEV_V/W_SET_0 0x430 ~ 0x43c */
113 	struct clk_set_clr crc_rst_dev_ex_vw[TEGRA_CLK_REGS_VW];
114 	/* _CLK_ENB_V/W_CLR_0 0x440 ~ 0x44c */
115 	struct clk_set_clr crc_clk_enb_ex_vw[TEGRA_CLK_REGS_VW];
116 	/* Additional (T114) registers */
117 	uint crc_rst_cpug_cmplx_set;	/* _RST_CPUG_CMPLX_SET_0,  0x450 */
118 	uint crc_rst_cpug_cmplx_clr;	/* _RST_CPUG_CMPLX_CLR_0,  0x454 */
119 	uint crc_rst_cpulp_cmplx_set;	/* _RST_CPULP_CMPLX_SET_0, 0x458 */
120 	uint crc_rst_cpulp_cmplx_clr;	/* _RST_CPULP_CMPLX_CLR_0, 0x45C */
121 	uint crc_clk_cpug_cmplx_set;	/* _CLK_CPUG_CMPLX_SET_0,  0x460 */
122 	uint crc_clk_cpug_cmplx_clr;	/* _CLK_CPUG_CMPLX_CLR_0,  0x464 */
123 	uint crc_clk_cpulp_cmplx_set;	/* _CLK_CPULP_CMPLX_SET_0, 0x468 */
124 	uint crc_clk_cpulp_cmplx_clr;	/* _CLK_CPULP_CMPLX_CLR_0, 0x46C */
125 	uint crc_cpu_cmplx_status;	/* _CPU_CMPLX_STATUS_0,    0x470 */
126 	uint crc_reserved40[1];		/* _reserved_40,        0x474 */
127 	uint crc_intstatus;		/* __INTSTATUS_0,       0x478 */
128 	uint crc_intmask;		/* __INTMASK_0,         0x47C */
129 	uint crc_utmip_pll_cfg0;	/* _UTMIP_PLL_CFG0_0,	0x480 */
130 	uint crc_utmip_pll_cfg1;	/* _UTMIP_PLL_CFG1_0,	0x484 */
131 	uint crc_utmip_pll_cfg2;	/* _UTMIP_PLL_CFG2_0,	0x488 */
132 
133 	uint crc_plle_aux;		/* _PLLE_AUX_0,		0x48C */
134 	uint crc_sata_pll_cfg0;		/* _SATA_PLL_CFG0_0,	0x490 */
135 	uint crc_sata_pll_cfg1;		/* _SATA_PLL_CFG1_0,	0x494 */
136 	uint crc_pcie_pll_cfg0;		/* _PCIE_PLL_CFG0_0,	0x498 */
137 
138 	uint crc_prog_audio_dly_clk;	/* _PROG_AUDIO_DLY_CLK_0, 0x49C */
139 	uint crc_audio_sync_clk_i2s0;	/* _AUDIO_SYNC_CLK_I2S0_0, 0x4A0 */
140 	uint crc_audio_sync_clk_i2s1;	/* _AUDIO_SYNC_CLK_I2S1_0, 0x4A4 */
141 	uint crc_audio_sync_clk_i2s2;	/* _AUDIO_SYNC_CLK_I2S2_0, 0x4A8 */
142 	uint crc_audio_sync_clk_i2s3;	/* _AUDIO_SYNC_CLK_I2S3_0, 0x4AC */
143 	uint crc_audio_sync_clk_i2s4;	/* _AUDIO_SYNC_CLK_I2S4_0, 0x4B0 */
144 	uint crc_audio_sync_clk_spdif;	/* _AUDIO_SYNC_CLK_SPDIF_0, 0x4B4 */
145 };
146 
147 /* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 */
148 #define CPU3_CLK_STP_SHIFT	11
149 #define CPU2_CLK_STP_SHIFT	10
150 #define CPU1_CLK_STP_SHIFT	9
151 #define CPU0_CLK_STP_SHIFT	8
152 #define CPU0_CLK_STP_MASK	(1U << CPU0_CLK_STP_SHIFT)
153 
154 /* CLK_RST_CONTROLLER_PLLx_BASE_0 */
155 #define PLL_BYPASS_SHIFT	31
156 #define PLL_BYPASS_MASK		(1U << PLL_BYPASS_SHIFT)
157 
158 #define PLL_ENABLE_SHIFT	30
159 #define PLL_ENABLE_MASK		(1U << PLL_ENABLE_SHIFT)
160 
161 #define PLL_BASE_OVRRIDE_MASK	(1U << 28)
162 
163 #define PLL_DIVP_SHIFT		20
164 #define PLL_DIVP_MASK		(7U << PLL_DIVP_SHIFT)
165 
166 #define PLL_DIVN_SHIFT		8
167 #define PLL_DIVN_MASK		(0x3ffU << PLL_DIVN_SHIFT)
168 
169 #define PLL_DIVM_SHIFT		0
170 #define PLL_DIVM_MASK		(0x1f << PLL_DIVM_SHIFT)
171 
172 /* CLK_RST_CONTROLLER_PLLx_OUTx_0 */
173 #define PLL_OUT_RSTN		(1 << 0)
174 #define PLL_OUT_CLKEN		(1 << 1)
175 #define PLL_OUT_OVRRIDE		(1 << 2)
176 
177 #define PLL_OUT_RATIO_SHIFT	8
178 #define PLL_OUT_RATIO_MASK	(0xffU << PLL_OUT_RATIO_SHIFT)
179 
180 /* CLK_RST_CONTROLLER_PLLx_MISC_0 */
181 #define PLL_DCCON_SHIFT		20
182 #define PLL_DCCON_MASK		(1U << PLL_DCCON_SHIFT)
183 
184 #define PLL_LOCK_ENABLE_SHIFT	18
185 #define PLL_LOCK_ENABLE_MASK	(1U << PLL_LOCK_ENABLE_SHIFT)
186 
187 #define PLL_CPCON_SHIFT		8
188 #define PLL_CPCON_MASK		(15U << PLL_CPCON_SHIFT)
189 
190 #define PLL_LFCON_SHIFT		4
191 #define PLL_LFCON_MASK		(15U << PLL_LFCON_SHIFT)
192 
193 #define PLLU_VCO_FREQ_SHIFT	20
194 #define PLLU_VCO_FREQ_MASK	(1U << PLLU_VCO_FREQ_SHIFT)
195 
196 #define PLLP_OUT1_OVR		(1 << 2)
197 #define PLLP_OUT2_OVR		(1 << 18)
198 #define PLLP_OUT3_OVR		(1 << 2)
199 #define PLLP_OUT4_OVR		(1 << 18)
200 #define PLLP_OUT1_RATIO		8
201 #define PLLP_OUT2_RATIO		24
202 #define PLLP_OUT3_RATIO		8
203 #define PLLP_OUT4_RATIO		24
204 
205 enum {
206 	IN_408_OUT_204_DIVISOR = 2,
207 	IN_408_OUT_102_DIVISOR = 6,
208 	IN_408_OUT_48_DIVISOR = 15,
209 	IN_408_OUT_9_6_DIVISOR = 83,
210 };
211 
212 /* CLK_RST_CONTROLLER_UTMIP_PLL_CFG1_0 */
213 #define PLLU_POWERDOWN		(1 << 16)
214 #define PLL_ENABLE_POWERDOWN	(1 << 14)
215 #define PLL_ACTIVE_POWERDOWN	(1 << 12)
216 
217 /* CLK_RST_CONTROLLER_UTMIP_PLL_CFG2_0 */
218 #define UTMIP_FORCE_PD_SAMP_C_POWERDOWN		(1 << 4)
219 #define UTMIP_FORCE_PD_SAMP_B_POWERDOWN		(1 << 2)
220 #define UTMIP_FORCE_PD_SAMP_A_POWERDOWN		(1 << 0)
221 
222 /* CLK_RST_CONTROLLER_OSC_CTRL_0 */
223 #define OSC_XOBP_SHIFT		1
224 #define OSC_XOBP_MASK		(1U << OSC_XOBP_SHIFT)
225 
226 /*
227  * CLK_RST_CONTROLLER_CLK_SOURCE_x_OUT_0 - the mask here is normally 8 bits
228  * but can be 16. We could use knowledge we have to restrict the mask in
229  * the 8-bit cases (the divider_bits value returned by
230  * get_periph_clock_source()) but it does not seem worth it since the code
231  * already checks the ranges of values it is writing, in clk_get_divider().
232  */
233 #define OUT_CLK_DIVISOR_SHIFT	0
234 #define OUT_CLK_DIVISOR_MASK	(0xffff << OUT_CLK_DIVISOR_SHIFT)
235 
236 #define OUT_CLK_SOURCE_SHIFT	30
237 #define OUT_CLK_SOURCE_MASK	(3U << OUT_CLK_SOURCE_SHIFT)
238 
239 #define OUT_CLK_SOURCE4_SHIFT	28
240 #define OUT_CLK_SOURCE4_MASK	(15U << OUT_CLK_SOURCE4_SHIFT)
241 
242 /* CLK_RST_CONTROLLER_SCLK_BURST_POLICY */
243 #define SCLK_SYS_STATE_SHIFT    28U
244 #define SCLK_SYS_STATE_MASK     (15U << SCLK_SYS_STATE_SHIFT)
245 enum {
246 	SCLK_SYS_STATE_STDBY,
247 	SCLK_SYS_STATE_IDLE,
248 	SCLK_SYS_STATE_RUN,
249 	SCLK_SYS_STATE_IRQ = 4U,
250 	SCLK_SYS_STATE_FIQ = 8U,
251 };
252 #define SCLK_COP_FIQ_MASK       (1 << 27)
253 #define SCLK_CPU_FIQ_MASK       (1 << 26)
254 #define SCLK_COP_IRQ_MASK       (1 << 25)
255 #define SCLK_CPU_IRQ_MASK       (1 << 24)
256 
257 #define SCLK_SWAKEUP_FIQ_SOURCE_SHIFT		12
258 #define SCLK_SWAKEUP_FIQ_SOURCE_MASK		\
259 		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
260 #define SCLK_SWAKEUP_IRQ_SOURCE_SHIFT		8
261 #define SCLK_SWAKEUP_IRQ_SOURCE_MASK		\
262 		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
263 #define SCLK_SWAKEUP_RUN_SOURCE_SHIFT		4
264 #define SCLK_SWAKEUP_RUN_SOURCE_MASK		\
265 		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
266 #define SCLK_SWAKEUP_IDLE_SOURCE_SHIFT		0
267 
268 #define SCLK_SWAKEUP_IDLE_SOURCE_MASK		\
269 		(7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
270 enum {
271 	SCLK_SOURCE_CLKM,
272 	SCLK_SOURCE_PLLC_OUT1,
273 	SCLK_SOURCE_PLLP_OUT4,
274 	SCLK_SOURCE_PLLP_OUT3,
275 	SCLK_SOURCE_PLLP_OUT2,
276 	SCLK_SOURCE_CLKD,
277 	SCLK_SOURCE_CLKS,
278 	SCLK_SOURCE_PLLM_OUT1,
279 };
280 #define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1    (7 << 12)
281 #define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1    (7 << 8)
282 #define SCLK_SWAKE_RUN_SRC_PLLM_OUT1    (7 << 4)
283 #define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1   (7 << 0)
284 
285 /* CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER */
286 #define SUPER_SCLK_ENB_SHIFT		31U
287 #define SUPER_SCLK_ENB_MASK		(1U << 31)
288 #define SUPER_SCLK_DIVIDEND_SHIFT	8
289 #define SUPER_SCLK_DIVIDEND_MASK	(0xff << SUPER_SCLK_DIVIDEND_SHIFT)
290 #define SUPER_SCLK_DIVISOR_SHIFT	0
291 #define SUPER_SCLK_DIVISOR_MASK		(0xff << SUPER_SCLK_DIVISOR_SHIFT)
292 
293 /* CLK_RST_CONTROLLER_CLK_SYSTEM_RATE */
294 #define CLK_SYS_RATE_HCLK_DISABLE_SHIFT 7
295 #define CLK_SYS_RATE_HCLK_DISABLE_MASK  (1 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT)
296 #define CLK_SYS_RATE_AHB_RATE_SHIFT     4
297 #define CLK_SYS_RATE_AHB_RATE_MASK      (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
298 #define CLK_SYS_RATE_PCLK_DISABLE_SHIFT 3
299 #define CLK_SYS_RATE_PCLK_DISABLE_MASK  (1 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT)
300 #define CLK_SYS_RATE_APB_RATE_SHIFT     0
301 #define CLK_SYS_RATE_APB_RATE_MASK      (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
302 
303 /* CLK_RST_CONTROLLER_RST_CPUxx_CMPLX_CLR */
304 #define CLR_CPURESET0   (1 << 0)
305 #define CLR_CPURESET1   (1 << 1)
306 #define CLR_CPURESET2   (1 << 2)
307 #define CLR_CPURESET3   (1 << 3)
308 #define CLR_DBGRESET0   (1 << 12)
309 #define CLR_DBGRESET1   (1 << 13)
310 #define CLR_DBGRESET2   (1 << 14)
311 #define CLR_DBGRESET3   (1 << 15)
312 #define CLR_CORERESET0  (1 << 16)
313 #define CLR_CORERESET1  (1 << 17)
314 #define CLR_CORERESET2  (1 << 18)
315 #define CLR_CORERESET3  (1 << 19)
316 #define CLR_CXRESET0    (1 << 20)
317 #define CLR_CXRESET1    (1 << 21)
318 #define CLR_CXRESET2    (1 << 22)
319 #define CLR_CXRESET3    (1 << 23)
320 #define CLR_NONCPURESET (1 << 29)
321 
322 #endif	/* _TEGRA_CLK_RST_H_ */
323