1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  *  Copyright (C) 2013-2017 Altera Corporation <www.altera.com>
4  */
5 
6 #ifndef _CLOCK_MANAGER_GEN5_H_
7 #define _CLOCK_MANAGER_GEN5_H_
8 
9 #ifndef __ASSEMBLY__
10 
11 #include <linux/bitops.h>
12 
13 struct cm_config {
14 	/* main group */
15 	u32 main_vco_base;
16 	u32 mpuclk;
17 	u32 mainclk;
18 	u32 dbgatclk;
19 	u32 mainqspiclk;
20 	u32 mainnandsdmmcclk;
21 	u32 cfg2fuser0clk;
22 	u32 maindiv;
23 	u32 dbgdiv;
24 	u32 tracediv;
25 	u32 l4src;
26 
27 	/* peripheral group */
28 	u32 peri_vco_base;
29 	u32 emac0clk;
30 	u32 emac1clk;
31 	u32 perqspiclk;
32 	u32 pernandsdmmcclk;
33 	u32 perbaseclk;
34 	u32 s2fuser1clk;
35 	u32 perdiv;
36 	u32 gpiodiv;
37 	u32 persrc;
38 
39 	/* sdram pll group */
40 	u32 sdram_vco_base;
41 	u32 ddrdqsclk;
42 	u32 ddr2xdqsclk;
43 	u32 ddrdqclk;
44 	u32 s2fuser2clk;
45 
46 	/* altera group */
47 	u32 altera_grp_mpuclk;
48 };
49 
50 /* Clock manager group */
51 #define CLKMGR_GEN5_CTRL			0x00
52 #define CLKMGR_GEN5_BYPASS			0x04
53 #define CLKMGR_GEN5_INTER			0x08
54 #define CLKMGR_GEN5_STAT			0x14
55 /* MainPLL group */
56 #define CLKMGR_GEN5_MAINPLL_VCO			0x40
57 #define CLKMGR_GEN5_MAINPLL_MISC		0x44
58 #define CLKMGR_GEN5_MAINPLL_MPUCLK		0x48
59 #define CLKMGR_GEN5_MAINPLL_MAINCLK		0x4c
60 #define CLKMGR_GEN5_MAINPLL_DBGATCLK		0x50
61 #define CLKMGR_GEN5_MAINPLL_MAINQSPICLK		0x54
62 #define CLKMGR_GEN5_MAINPLL_MAINNANDSDMMCCLK	0x58
63 #define CLKMGR_GEN5_MAINPLL_CFGS2FUSER0CLK	0x5c
64 #define CLKMGR_GEN5_MAINPLL_EN			0x60
65 #define CLKMGR_GEN5_MAINPLL_MAINDIV		0x64
66 #define CLKMGR_GEN5_MAINPLL_DBGDIV		0x68
67 #define CLKMGR_GEN5_MAINPLL_TRACEDIV		0x6c
68 #define CLKMGR_GEN5_MAINPLL_L4SRC		0x70
69 /* Peripheral PLL group */
70 #define CLKMGR_GEN5_PERPLL_VCO			0x80
71 #define CLKMGR_GEN5_PERPLL_MISC			0x84
72 #define CLKMGR_GEN5_PERPLL_EMAC0CLK		0x88
73 #define CLKMGR_GEN5_PERPLL_EMAC1CLK		0x8c
74 #define CLKMGR_GEN5_PERPLL_PERQSPICLK		0x90
75 #define CLKMGR_GEN5_PERPLL_PERNANDSDMMCCLK	0x94
76 #define CLKMGR_GEN5_PERPLL_PERBASECLK		0x98
77 #define CLKMGR_GEN5_PERPLL_S2FUSER1CLK		0x9c
78 #define CLKMGR_GEN5_PERPLL_EN			0xa0
79 #define CLKMGR_GEN5_PERPLL_DIV			0xa4
80 #define CLKMGR_GEN5_PERPLL_GPIODIV		0xa8
81 #define CLKMGR_GEN5_PERPLL_SRC			0xac
82 /* SDRAM PLL group */
83 #define CLKMGR_GEN5_SDRPLL_VCO			0xc0
84 #define CLKMGR_GEN5_SDRPLL_CTRL			0xc4
85 #define CLKMGR_GEN5_SDRPLL_DDRDQSCLK		0xc8
86 #define CLKMGR_GEN5_SDRPLL_DDR2XDQSCLK		0xcc
87 #define CLKMGR_GEN5_SDRPLL_DDRDQCLK		0xd0
88 #define CLKMGR_GEN5_SDRPLL_S2FUSER2CLK		0xd4
89 #define CLKMGR_GEN5_SDRPLL_EN			0xd8
90 /* Altera group */
91 #define CLKMGR_GEN5_ALTR_MPUCLK			0xe0
92 #define CLKMGR_GEN5_ALTR_MAINCLK		0xe4
93 
94 #define CLKMGR_STAT				CLKMGR_GEN5_STAT
95 #define CLKMGR_INTER				CLKMGR_GEN5_INTER
96 #define CLKMGR_PERPLL_EN			CLKMGR_GEN5_PERPLL_EN
97 
98 /* Clock speed accessors */
99 unsigned long cm_get_mpu_clk_hz(void);
100 unsigned long cm_get_sdram_clk_hz(void);
101 unsigned int cm_get_l4_sp_clk_hz(void);
102 unsigned int cm_get_mmc_controller_clk_hz(void);
103 unsigned int cm_get_qspi_controller_clk_hz(void);
104 unsigned int cm_get_spi_controller_clk_hz(void);
105 const unsigned int cm_get_osc_clk_hz(const int osc);
106 const unsigned int cm_get_f2s_per_ref_clk_hz(void);
107 const unsigned int cm_get_f2s_sdr_ref_clk_hz(void);
108 
109 /* Clock configuration accessors */
110 int cm_basic_init(const struct cm_config * const cfg);
111 const struct cm_config * const cm_get_default_config(void);
112 #endif /* __ASSEMBLY__ */
113 
114 #include <linux/bitops.h>
115 #define LOCKED_MASK \
116 	(CLKMGR_INTER_SDRPLLLOCKED_MASK  | \
117 	CLKMGR_INTER_PERPLLLOCKED_MASK  | \
118 	CLKMGR_INTER_MAINPLLLOCKED_MASK)
119 
120 #define CLKMGR_CTRL_SAFEMODE				BIT(0)
121 #define CLKMGR_CTRL_SAFEMODE_OFFSET			0
122 
123 #define CLKMGR_BYPASS_PERPLLSRC				BIT(4)
124 #define CLKMGR_BYPASS_PERPLLSRC_OFFSET			4
125 #define CLKMGR_BYPASS_PERPLL				BIT(3)
126 #define CLKMGR_BYPASS_PERPLL_OFFSET			3
127 #define CLKMGR_BYPASS_SDRPLLSRC				BIT(2)
128 #define CLKMGR_BYPASS_SDRPLLSRC_OFFSET			2
129 #define CLKMGR_BYPASS_SDRPLL				BIT(1)
130 #define CLKMGR_BYPASS_SDRPLL_OFFSET			1
131 #define CLKMGR_BYPASS_MAINPLL				BIT(0)
132 #define CLKMGR_BYPASS_MAINPLL_OFFSET			0
133 
134 #define CLKMGR_INTER_MAINPLLLOST_MASK			BIT(3)
135 #define CLKMGR_INTER_PERPLLLOST_MASK			BIT(4)
136 #define CLKMGR_INTER_SDRPLLLOST_MASK			BIT(5)
137 #define CLKMGR_INTER_MAINPLLLOCKED_MASK			BIT(6)
138 #define CLKMGR_INTER_PERPLLLOCKED_MASK			BIT(7)
139 #define CLKMGR_INTER_SDRPLLLOCKED_MASK			BIT(8)
140 
141 #define CLKMGR_STAT_BUSY				BIT(0)
142 
143 /* Main PLL */
144 #define CLKMGR_MAINPLLGRP_VCO_BGPWRDN			BIT(0)
145 #define CLKMGR_MAINPLLGRP_VCO_BGPWRDN_OFFSET		0
146 #define CLKMGR_MAINPLLGRP_VCO_DENOM_OFFSET		16
147 #define CLKMGR_MAINPLLGRP_VCO_DENOM_MASK		0x003f0000
148 #define CLKMGR_MAINPLLGRP_VCO_EN			BIT(1)
149 #define CLKMGR_MAINPLLGRP_VCO_EN_OFFSET			1
150 #define CLKMGR_MAINPLLGRP_VCO_NUMER_OFFSET		3
151 #define CLKMGR_MAINPLLGRP_VCO_NUMER_MASK		0x0000fff8
152 #define CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK		0x01000000
153 #define CLKMGR_MAINPLLGRP_VCO_PWRDN			BIT(2)
154 #define CLKMGR_MAINPLLGRP_VCO_PWRDN_OFFSET		2
155 #define CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK		0x80000000
156 #define CLKMGR_MAINPLLGRP_VCO_RESET_VALUE		0x8001000d
157 
158 #define CLKMGR_MAINPLLGRP_MPUCLK_CNT_OFFSET		0
159 #define CLKMGR_MAINPLLGRP_MPUCLK_CNT_MASK		0x000001ff
160 
161 #define CLKMGR_MAINPLLGRP_MAINCLK_CNT_OFFSET		0
162 #define CLKMGR_MAINPLLGRP_MAINCLK_CNT_MASK		0x000001ff
163 
164 #define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_OFFSET		0
165 #define CLKMGR_MAINPLLGRP_DBGATCLK_CNT_MASK		0x000001ff
166 
167 #define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_OFFSET	0
168 #define CLKMGR_MAINPLLGRP_MAINQSPICLK_CNT_MASK		0x000001ff
169 
170 #define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_OFFSET	0
171 #define CLKMGR_MAINPLLGRP_MAINNANDSDMMCCLK_CNT_MASK	0x000001ff
172 
173 #define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_OFFSET	0
174 #define CLKMGR_MAINPLLGRP_CFGS2FUSER0CLK_CNT_MASK	0x000001ff
175 
176 #define CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK		BIT(2)
177 #define CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK		BIT(4)
178 #define CLKMGR_MAINPLLGRP_EN_DBGCLK_MASK		BIT(5)
179 #define CLKMGR_MAINPLLGRP_EN_DBGTRACECLK_MASK		BIT(6)
180 #define CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK		BIT(7)
181 #define CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK		BIT(9)
182 
183 #define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_OFFSET	0
184 #define CLKMGR_MAINPLLGRP_MAINDIV_L3MPCLK_MASK		0x00000003
185 #define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_OFFSET	2
186 #define CLKMGR_MAINPLLGRP_MAINDIV_L3SPCLK_MASK		0x0000000c
187 #define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_OFFSET	4
188 #define CLKMGR_MAINPLLGRP_MAINDIV_L4MPCLK_MASK		0x00000070
189 #define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_OFFSET	7
190 #define CLKMGR_MAINPLLGRP_MAINDIV_L4SPCLK_MASK		0x00000380
191 
192 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_OFFSET	0
193 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGATCLK_MASK		0x00000003
194 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_OFFSET		2
195 #define CLKMGR_MAINPLLGRP_DBGDIV_DBGCLK_MASK		0x0000000c
196 
197 #define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_OFFSET	0
198 #define CLKMGR_MAINPLLGRP_TRACEDIV_TRACECLK_MASK	0x00000007
199 
200 #define CLKMGR_MAINPLLGRP_L4SRC_L4MP			BIT(0)
201 #define CLKMGR_MAINPLLGRP_L4SRC_L4MP_OFFSET		0
202 #define CLKMGR_MAINPLLGRP_L4SRC_L4SP			BIT(1)
203 #define CLKMGR_MAINPLLGRP_L4SRC_L4SP_OFFSET		1
204 #define CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE		0x00000000
205 #define CLKMGR_L4_SP_CLK_SRC_MAINPLL			0x0
206 #define CLKMGR_L4_SP_CLK_SRC_PERPLL			0x1
207 
208 /* Per PLL */
209 #define CLKMGR_PERPLLGRP_VCO_DENOM_OFFSET		16
210 #define CLKMGR_PERPLLGRP_VCO_DENOM_MASK			0x003f0000
211 #define CLKMGR_PERPLLGRP_VCO_NUMER_OFFSET		3
212 #define CLKMGR_PERPLLGRP_VCO_NUMER_MASK			0x0000fff8
213 #define CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK		0x01000000
214 #define CLKMGR_PERPLLGRP_VCO_PSRC_OFFSET		22
215 #define CLKMGR_PERPLLGRP_VCO_PSRC_MASK			0x00c00000
216 #define CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK		0x80000000
217 #define CLKMGR_PERPLLGRP_VCO_RESET_VALUE		0x8001000d
218 #define CLKMGR_PERPLLGRP_VCO_SSRC_OFFSET		22
219 #define CLKMGR_PERPLLGRP_VCO_SSRC_MASK			0x00c00000
220 
221 #define CLKMGR_VCO_SSRC_EOSC1				0x0
222 #define CLKMGR_VCO_SSRC_EOSC2				0x1
223 #define CLKMGR_VCO_SSRC_F2S				0x2
224 
225 #define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_OFFSET		0
226 #define CLKMGR_PERPLLGRP_EMAC0CLK_CNT_MASK		0x000001ff
227 
228 #define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_OFFSET		0
229 #define CLKMGR_PERPLLGRP_EMAC1CLK_CNT_MASK		0x000001ff
230 
231 #define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_OFFSET		0
232 #define CLKMGR_PERPLLGRP_PERQSPICLK_CNT_MASK		0x000001ff
233 
234 #define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_OFFSET	0
235 #define CLKMGR_PERPLLGRP_PERNANDSDMMCCLK_CNT_MASK	0x000001ff
236 
237 #define CLKMGR_PERPLLGRP_PERBASECLK_CNT_OFFSET		0
238 #define CLKMGR_PERPLLGRP_PERBASECLK_CNT_MASK		0x000001ff
239 
240 #define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_OFFSET		0
241 #define CLKMGR_PERPLLGRP_S2FUSER1CLK_CNT_MASK		0x000001ff
242 
243 #define CLKMGR_PERPLLGRP_EN_NANDCLK_MASK		0x00000400
244 #define CLKMGR_PERPLLGRP_EN_SDMMCCLK_MASK		0x00000100
245 
246 #define CLKMGR_PERPLLGRP_DIV_CAN0CLK_OFFSET		6
247 #define CLKMGR_PERPLLGRP_DIV_CAN0CLK_MASK		0x000001c0
248 #define CLKMGR_PERPLLGRP_DIV_CAN1CLK_OFFSET		9
249 #define CLKMGR_PERPLLGRP_DIV_CAN1CLK_MASK		0x00000e00
250 #define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET		3
251 #define CLKMGR_PERPLLGRP_DIV_SPIMCLK_OFFSET		3
252 #define CLKMGR_PERPLLGRP_DIV_USBCLK_OFFSET		0
253 #define CLKMGR_PERPLLGRP_DIV_USBCLK_MASK		0x00000007
254 
255 #define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_OFFSET	0
256 #define CLKMGR_PERPLLGRP_GPIODIV_GPIODBCLK_MASK		0x00ffffff
257 
258 #define CLKMGR_PERPLLGRP_SRC_NAND_OFFSET		2
259 #define CLKMGR_PERPLLGRP_SRC_NAND_MASK			0x0000000c
260 #define CLKMGR_PERPLLGRP_SRC_QSPI_OFFSET		4
261 #define CLKMGR_PERPLLGRP_SRC_QSPI_MASK			0x00000030
262 #define CLKMGR_PERPLLGRP_SRC_RESET_VALUE		0x00000015
263 #define CLKMGR_PERPLLGRP_SRC_SDMMC_OFFSET		0
264 #define CLKMGR_PERPLLGRP_SRC_SDMMC_MASK			0x00000003
265 #define CLKMGR_SDMMC_CLK_SRC_F2S			0x0
266 #define CLKMGR_SDMMC_CLK_SRC_MAIN			0x1
267 #define CLKMGR_SDMMC_CLK_SRC_PER			0x2
268 #define CLKMGR_QSPI_CLK_SRC_F2S				0x0
269 #define CLKMGR_QSPI_CLK_SRC_MAIN			0x1
270 #define CLKMGR_QSPI_CLK_SRC_PER				0x2
271 
272 /* SDR PLL */
273 #define CLKMGR_SDRPLLGRP_VCO_DENOM_OFFSET		16
274 #define CLKMGR_SDRPLLGRP_VCO_DENOM_MASK			0x003f0000
275 #define CLKMGR_SDRPLLGRP_VCO_NUMER_OFFSET		3
276 #define CLKMGR_SDRPLLGRP_VCO_NUMER_MASK			0x0000fff8
277 #define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL		BIT(24)
278 #define CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_OFFSET		24
279 #define CLKMGR_SDRPLLGRP_VCO_OUTRESET_OFFSET		25
280 #define CLKMGR_SDRPLLGRP_VCO_OUTRESET_MASK		0x7e000000
281 #define CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK		BIT(31)
282 #define CLKMGR_SDRPLLGRP_VCO_RESET_VALUE		0x8001000d
283 #define CLKMGR_SDRPLLGRP_VCO_SSRC_OFFSET		22
284 #define CLKMGR_SDRPLLGRP_VCO_SSRC_MASK			0x00c00000
285 
286 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_OFFSET		0
287 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK		0x000001ff
288 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_OFFSET		9
289 #define CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK		0x00000e00
290 
291 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_OFFSET		0
292 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK		0x000001ff
293 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_OFFSET	9
294 #define CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK		0x00000e00
295 
296 #define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_OFFSET		0
297 #define CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK		0x000001ff
298 #define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_OFFSET		9
299 #define CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK		0x00000e00
300 
301 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_OFFSET		0
302 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK		0x000001ff
303 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_OFFSET	9
304 #define CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK		0x00000e00
305 
306 #endif /* _CLOCK_MANAGER_GEN5_H_ */
307