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git01.mediatek.com / filogic / uboot / 6e2af916e852c735f094042119d80dba6b1fbe38 / . / arch / arm / include / asm / arch-mx7ulp / scg.h
blob: f1fae010da0e3661d2e83be6e5c36704df96217f [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
Peng Fan684ccd92017-02-22 16:21:42 +0800[diff] [blame]2/*
3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
Peng Fan684ccd92017-02-22 16:21:42 +0800[diff] [blame]4 */
5
6#ifndef _ASM_ARCH_SCG_H
7#define _ASM_ARCH_SCG_H
8
9#include <common.h>
10
11#ifdef CONFIG_CLK_DEBUG
12#define clk_debug(fmt, args...) printf(fmt, ##args)
13#else
14#define clk_debug(fmt, args...)
15#endif
16
17#define SCG_CCR_SCS_SHIFT (24)
18#define SCG_CCR_SCS_MASK ((0xFUL) << SCG_CCR_SCS_SHIFT)
19#define SCG_CCR_DIVCORE_SHIFT (16)
20#define SCG_CCR_DIVCORE_MASK ((0xFUL) << SCG_CCR_DIVCORE_SHIFT)
21#define SCG_CCR_DIVPLAT_SHIFT (12)
22#define SCG_CCR_DIVPLAT_MASK ((0xFUL) << SCG_CCR_DIVPLAT_SHIFT)
23#define SCG_CCR_DIVEXT_SHIFT (8)
24#define SCG_CCR_DIVEXT_MASK ((0xFUL) << SCG_CCR_DIVEXT_SHIFT)
25#define SCG_CCR_DIVBUS_SHIFT (4)
26#define SCG_CCR_DIVBUS_MASK ((0xFUL) << SCG_CCR_DIVBUS_SHIFT)
27#define SCG_CCR_DIVSLOW_SHIFT (0)
28#define SCG_CCR_DIVSLOW_MASK ((0xFUL) << SCG_CCR_DIVSLOW_SHIFT)
29
30/* SCG DDR Clock Control Register */
31#define SCG_DDRCCR_DDRCS_SHIFT (24)
32#define SCG_DDRCCR_DDRCS_MASK ((0x1UL) << SCG_DDRCCR_DDRCS_SHIFT)
33
34#define SCG_DDRCCR_DDRDIV_SHIFT (0)
35#define SCG_DDRCCR_DDRDIV_MASK ((0x7UL) << SCG_DDRCCR_DDRDIV_SHIFT)
36
37/* SCG NIC Clock Control Register */
38#define SCG_NICCCR_NICCS_SHIFT (28)
39#define SCG_NICCCR_NICCS_MASK ((0x1UL) << SCG_NICCCR_NICCS_SHIFT)
40
41#define SCG_NICCCR_NIC0_DIV_SHIFT (24)
42#define SCG_NICCCR_NIC0_DIV_MASK ((0xFUL) << SCG_NICCCR_NIC0_DIV_SHIFT)
43
44#define SCG_NICCCR_GPU_DIV_SHIFT (20)
45#define SCG_NICCCR_GPU_DIV_MASK ((0xFUL) << SCG_NICCCR_GPU_DIV_SHIFT)
46
47#define SCG_NICCCR_NIC1_DIV_SHIFT (16)
48#define SCG_NICCCR_NIC1_DIV_MASK ((0xFUL) << SCG_NICCCR_NIC1_DIV_SHIFT)
49
50#define SCG_NICCCR_NIC1_DIVEXT_SHIFT (8)
51#define SCG_NICCCR_NIC1_DIVEXT_MASK ((0xFUL) << SCG_NICCCR_NIC1_DIVEXT_SHIFT)
52
53#define SCG_NICCCR_NIC1_DIVBUS_SHIFT (4)
54#define SCG_NICCCR_NIC1_DIVBUS_MASK ((0xFUL) << SCG_NICCCR_NIC1_DIVBUS_SHIFT)
55
56/* SCG NIC clock status register */
57#define SCG_NICCSR_NICCS_SHIFT (28)
58#define SCG_NICCSR_NICCS_MASK ((0x1UL) << SCG_NICCSR_NICCS_SHIFT)
59
60#define SCG_NICCSR_NIC0DIV_SHIFT (24)
61#define SCG_NICCSR_NIC0DIV_MASK ((0xFUL) << SCG_NICCSR_NIC0DIV_SHIFT)
62#define SCG_NICCSR_GPUDIV_SHIFT (20)
63#define SCG_NICCSR_GPUDIV_MASK ((0xFUL) << SCG_NICCSR_GPUDIV_SHIFT)
64#define SCG_NICCSR_NIC1DIV_SHIFT (16)
65#define SCG_NICCSR_NIC1DIV_MASK ((0xFUL) << SCG_NICCSR_NIC1DIV_SHIFT)
66#define SCG_NICCSR_NIC1EXTDIV_SHIFT (8)
67#define SCG_NICCSR_NIC1EXTDIV_MASK ((0xFUL) << SCG_NICCSR_NIC1EXTDIV_SHIFT)
68#define SCG_NICCSR_NIC1BUSDIV_SHIFT (4)
69#define SCG_NICCSR_NIC1BUSDIV_MASK ((0xFUL) << SCG_NICCSR_NIC1BUSDIV_SHIFT)
70
71/* SCG Slow IRC Control Status Register */
72#define SCG_SIRC_CSR_SIRCVLD_SHIFT (24)
73#define SCG_SIRC_CSR_SIRCVLD_MASK ((0x1UL) << SCG_SIRC_CSR_SIRCVLD_SHIFT)
74
75#define SCG_SIRC_CSR_SIRCEN_SHIFT (0)
76#define SCG_SIRC_CSR_SIRCEN_MASK ((0x1UL) << SCG_SIRC_CSR_SIRCEN_SHIFT)
77
78/* SCG Slow IRC Configuration Register */
79#define SCG_SIRCCFG_RANGE_SHIFT (0)
80#define SCG_SIRCCFG_RANGE_MASK ((0x1UL) << SCG_SIRCCFG_RANGE_SHIFT)
81#define SCG_SIRCCFG_RANGE_4M ((0x0UL) << SCG_SIRCCFG_RANGE_SHIFT)
82#define SCG_SIRCCFG_RANGE_16M ((0x1UL) << SCG_SIRCCFG_RANGE_SHIFT)
83
84/* SCG Slow IRC Divide Register */
85#define SCG_SIRCDIV_DIV3_SHIFT (16)
86#define SCG_SIRCDIV_DIV3_MASK ((0x7UL) << SCG_SIRCDIV_DIV3_SHIFT)
87
88#define SCG_SIRCDIV_DIV2_SHIFT (8)
89#define SCG_SIRCDIV_DIV2_MASK ((0x7UL) << SCG_SIRCDIV_DIV2_SHIFT)
90
91#define SCG_SIRCDIV_DIV1_SHIFT (0)
92#define SCG_SIRCDIV_DIV1_MASK ((0x7UL) << SCG_SIRCDIV_DIV1_SHIFT)
93/*
94 * FIRC/SIRC DIV1 ==> xIRC_PLAT_CLK
95 * FIRC/SIRC DIV2 ==> xIRC_BUS_CLK
96 * FIRC/SIRC DIV3 ==> xIRC_SLOW_CLK
97 */
98
99/* SCG Fast IRC Control Status Register */
100#define SCG_FIRC_CSR_FIRCVLD_SHIFT (24)
101#define SCG_FIRC_CSR_FIRCVLD_MASK ((0x1UL) << SCG_FIRC_CSR_FIRCVLD_SHIFT)
102
103#define SCG_FIRC_CSR_FIRCEN_SHIFT (0)
104#define SCG_FIRC_CSR_FIRCEN_MASK ((0x1UL) << SCG_FIRC_CSR_FIRCEN_SHIFT)
105
106/* SCG Fast IRC Divide Register */
107#define SCG_FIRCDIV_DIV3_SHIFT (16)
108#define SCG_FIRCDIV_DIV3_MASK ((0x7UL) << SCG_FIRCDIV_DIV3_SHIFT)
109
110#define SCG_FIRCDIV_DIV2_SHIFT (8)
111#define SCG_FIRCDIV_DIV2_MASK ((0x7UL) << SCG_FIRCDIV_DIV2_SHIFT)
112
113#define SCG_FIRCDIV_DIV1_SHIFT (0)
114#define SCG_FIRCDIV_DIV1_MASK ((0x7UL) << SCG_FIRCDIV_DIV1_SHIFT)
115
116#define SCG_FIRCCFG_RANGE_SHIFT (0)
117#define SCG_FIRCCFG_RANGE_MASK ((0x3UL) << SCG_FIRCCFG_RANGE_SHIFT)
118
119#define SCG_FIRCCFG_RANGE_SHIFT (0)
120#define SCG_FIRCCFG_RANGE_48M ((0x0UL) << SCG_FIRCCFG_RANGE_SHIFT)
121
122/* SCG System OSC Control Status Register */
123#define SCG_SOSC_CSR_SOSCVLD_SHIFT (24)
124#define SCG_SOSC_CSR_SOSCVLD_MASK ((0x1UL) << SCG_SOSC_CSR_SOSCVLD_SHIFT)
125
126/* SCG Fast IRC Divide Register */
127#define SCG_SOSCDIV_DIV3_SHIFT (16)
128#define SCG_SOSCDIV_DIV3_MASK ((0x7UL) << SCG_SOSCDIV_DIV3_SHIFT)
129
130#define SCG_SOSCDIV_DIV2_SHIFT (8)
131#define SCG_SOSCDIV_DIV2_MASK ((0x7UL) << SCG_SOSCDIV_DIV2_SHIFT)
132
133#define SCG_SOSCDIV_DIV1_SHIFT (0)
134#define SCG_SOSCDIV_DIV1_MASK ((0x7UL) << SCG_SOSCDIV_DIV1_SHIFT)
135
136/* SCG RTC OSC Control Status Register */
137#define SCG_ROSC_CSR_ROSCVLD_SHIFT (24)
138#define SCG_ROSC_CSR_ROSCVLD_MASK ((0x1UL) << SCG_ROSC_CSR_ROSCVLD_SHIFT)
139
140#define SCG_SPLL_CSR_SPLLVLD_SHIFT (24)
141#define SCG_SPLL_CSR_SPLLVLD_MASK ((0x1UL) << SCG_SPLL_CSR_SPLLVLD_SHIFT)
142#define SCG_SPLL_CSR_SPLLEN_SHIFT (0)
143#define SCG_SPLL_CSR_SPLLEN_MASK ((0x1UL) << SCG_SPLL_CSR_SPLLEN_SHIFT)
144#define SCG_APLL_CSR_APLLEN_SHIFT (0)
145#define SCG_APLL_CSR_APLLEN_MASK (0x1UL)
146#define SCG_APLL_CSR_APLLVLD_MASK (0x01000000)
147
148#define SCG_UPLL_CSR_UPLLVLD_MASK (0x01000000)
149
150
151#define SCG_PLL_PFD3_GATE_MASK (0x80000000)
152#define SCG_PLL_PFD2_GATE_MASK (0x00800000)
153#define SCG_PLL_PFD1_GATE_MASK (0x00008000)
154#define SCG_PLL_PFD0_GATE_MASK (0x00000080)
155#define SCG_PLL_PFD3_VALID_MASK (0x40000000)
156#define SCG_PLL_PFD2_VALID_MASK (0x00400000)
157#define SCG_PLL_PFD1_VALID_MASK (0x00004000)
158#define SCG_PLL_PFD0_VALID_MASK (0x00000040)
159
160#define SCG_PLL_PFD0_FRAC_SHIFT (0)
161#define SCG_PLL_PFD0_FRAC_MASK ((0x3F) << SCG_PLL_PFD0_FRAC_SHIFT)
162#define SCG_PLL_PFD1_FRAC_SHIFT (8)
163#define SCG_PLL_PFD1_FRAC_MASK ((0x3F) << SCG_PLL_PFD1_FRAC_SHIFT)
164#define SCG_PLL_PFD2_FRAC_SHIFT (16)
165#define SCG_PLL_PFD2_FRAC_MASK ((0x3F) << SCG_PLL_PFD2_FRAC_SHIFT)
166#define SCG_PLL_PFD3_FRAC_SHIFT (24)
167#define SCG_PLL_PFD3_FRAC_MASK ((0x3F) << SCG_PLL_PFD3_FRAC_SHIFT)
168
169#define SCG_PLL_CFG_POSTDIV2_SHIFT (28)
170#define SCG_PLL_CFG_POSTDIV2_MASK ((0xFUL) << SCG_PLL_CFG_POSTDIV2_SHIFT)
171#define SCG_PLL_CFG_POSTDIV1_SHIFT (24)
172#define SCG_PLL_CFG_POSTDIV1_MASK ((0xFUL) << SCG_PLL_CFG_POSTDIV1_SHIFT)
173#define SCG_PLL_CFG_MULT_SHIFT (16)
174#define SCG1_SPLL_CFG_MULT_MASK ((0x7FUL) << SCG_PLL_CFG_MULT_SHIFT)
175#define SCG_APLL_CFG_MULT_MASK ((0x7FUL) << SCG_PLL_CFG_MULT_SHIFT)
176#define SCG_PLL_CFG_PFDSEL_SHIFT (14)
177#define SCG_PLL_CFG_PFDSEL_MASK ((0x3UL) << SCG_PLL_CFG_PFDSEL_SHIFT)
178#define SCG_PLL_CFG_PREDIV_SHIFT (8)
179#define SCG_PLL_CFG_PREDIV_MASK ((0x7UL) << SCG_PLL_CFG_PREDIV_SHIFT)
180#define SCG_PLL_CFG_BYPASS_SHIFT (2)
181/* 0: SPLL, 1: bypass */
182#define SCG_PLL_CFG_BYPASS_MASK ((0x1UL) << SCG_PLL_CFG_BYPASS_SHIFT)
183#define SCG_PLL_CFG_PLLSEL_SHIFT (1)
184/* 0: pll, 1: pfd */
185#define SCG_PLL_CFG_PLLSEL_MASK ((0x1UL) << SCG_PLL_CFG_PLLSEL_SHIFT)
186#define SCG_PLL_CFG_CLKSRC_SHIFT (0)
187/* 0: Sys-OSC, 1: FIRC */
188#define SCG_PLL_CFG_CLKSRC_MASK ((0x1UL) << SCG_PLL_CFG_CLKSRC_SHIFT)
189#define SCG0_SPLL_CFG_MULT_SHIFT (17)
190/* 0: Multiplier = 20, 1: Multiplier = 22 */
191#define SCG0_SPLL_CFG_MULT_MASK ((0x1UL) << SCG0_SPLL_CFG_MULT_SHIFT)
192
193#define PLL_USB_EN_USB_CLKS_MASK (0x01 << 6)
194#define PLL_USB_PWR_MASK (0x01 << 12)
195#define PLL_USB_ENABLE_MASK (0x01 << 13)
196#define PLL_USB_BYPASS_MASK (0x01 << 16)
197#define PLL_USB_REG_ENABLE_MASK (0x01 << 21)
198#define PLL_USB_DIV_SEL_MASK (0x07 << 22)
199#define PLL_USB_LOCK_MASK (0x01 << 31)
200
201enum scg_clk {
202 SCG_SOSC_CLK,
203 SCG_FIRC_CLK,
204 SCG_SIRC_CLK,
205 SCG_ROSC_CLK,
206 SCG_SIRC_DIV1_CLK,
207 SCG_SIRC_DIV2_CLK,
208 SCG_SIRC_DIV3_CLK,
209 SCG_FIRC_DIV1_CLK,
210 SCG_FIRC_DIV2_CLK,
211 SCG_FIRC_DIV3_CLK,
212 SCG_SOSC_DIV1_CLK,
213 SCG_SOSC_DIV2_CLK,
214 SCG_SOSC_DIV3_CLK,
215 SCG_CORE_CLK,
216 SCG_BUS_CLK,
217 SCG_SPLL_PFD0_CLK,
218 SCG_SPLL_PFD1_CLK,
219 SCG_SPLL_PFD2_CLK,
220 SCG_SPLL_PFD3_CLK,
221 SCG_DDR_CLK,
222 SCG_NIC0_CLK,
223 SCG_GPU_CLK,
224 SCG_NIC1_CLK,
225 SCG_NIC1_BUS_CLK,
226 SCG_NIC1_EXT_CLK,
227 SCG_APLL_PFD0_CLK,
228 SCG_APLL_PFD1_CLK,
229 SCG_APLL_PFD2_CLK,
230 SCG_APLL_PFD3_CLK,
231 USB_PLL_OUT,
232 MIPI_PLL_OUT
233};
234
235enum scg_sys_src {
236 SCG_SCS_SYS_OSC = 1,
237 SCG_SCS_SLOW_IRC,
238 SCG_SCS_FAST_IRC,
239 SCG_SCS_RTC_OSC,
240 SCG_SCS_AUX_PLL,
241 SCG_SCS_SYS_PLL,
242 SCG_SCS_USBPHY_PLL,
243};
244
245/* PLL supported by i.mx7ulp */
246enum pll_clocks {
247 PLL_M4_SPLL, /* M4 SPLL */
248 PLL_M4_APLL, /* M4 APLL*/
249 PLL_A7_SPLL, /* A7 SPLL */
250 PLL_A7_APLL, /* A7 APLL */
251 PLL_USB, /* USB PLL*/
252 PLL_MIPI, /* MIPI PLL */
253};
254
255typedef struct scg_regs {
256 u32 verid; /* VERSION_ID */
257 u32 param; /* PARAMETER */
258 u32 rsvd11[2];
259
260 u32 csr; /* Clock Status Register */
261 u32 rccr; /* Run Clock Control Register */
262 u32 vccr; /* VLPR Clock Control Register */
263 u32 hccr; /* HSRUN Clock Control Register */
264 u32 clkoutcnfg; /* SCG CLKOUT Configuration Register */
265 u32 rsvd12[3];
266 u32 ddrccr; /* SCG DDR Clock Control Register */
267 u32 rsvd13[3];
268 u32 nicccr; /* NIC Clock Control Register */
269 u32 niccsr; /* NIC Clock Status Register */
270 u32 rsvd10[46];
271
272 u32 sosccsr; /* System OSC Control Status Register, offset 0x100 */
273 u32 soscdiv; /* System OSC Divide Register */
274 u32 sosccfg; /* System Oscillator Configuration Register */
275 u32 sosctest; /* System Oscillator Test Register */
276 u32 rsvd20[60];
277
278 u32 sirccsr; /* Slow IRC Control Status Register, offset 0x200 */
279 u32 sircdiv; /* Slow IRC Divide Register */
280 u32 sirccfg; /* Slow IRC Configuration Register */
281 u32 sirctrim; /* Slow IRC Trim Register */
282 u32 loptrim; /* Low Power Oscillator Trim Register */
283 u32 sirctest; /* Slow IRC Test Register */
284 u32 rsvd30[58];
285
286 u32 firccsr; /* Fast IRC Control Status Register, offset 0x300 */
287 u32 fircdiv;
288 u32 firccfg;
289 u32 firctcfg; /* Fast IRC Trim Configuration Register */
290 u32 firctriml; /* Fast IRC Trim Low Register */
291 u32 firctrimh;
292 u32 fircstat; /* Fast IRC Status Register */
293 u32 firctest; /* Fast IRC Test Register */
294 u32 rsvd40[56];
295
296 u32 rtccsr; /* RTC OSC Control Status Register, offset 0x400 */
297 u32 rsvd50[63];
298
299 u32 apllcsr; /* Auxiliary PLL Control Status Register, offset 0x500 */
300 u32 aplldiv; /* Auxiliary PLL Divider Register */
301 u32 apllcfg; /* Auxiliary PLL Configuration Register */
302 u32 apllpfd; /* Auxiliary PLL PFD Register */
303 u32 apllnum; /* Auxiliary PLL Numerator Register */
304 u32 aplldenom; /* Auxiliary PLL Denominator Register */
305 u32 apllss; /* Auxiliary PLL Spread Spectrum Register */
306 u32 rsvd60[55];
307 u32 apllock_cnfg; /* Auxiliary PLL LOCK Configuration Register */
308 u32 rsvd61[1];
309
310 u32 spllcsr; /* System PLL Control Status Register, offset 0x600 */
311 u32 splldiv; /* System PLL Divide Register */
312 u32 spllcfg; /* System PLL Configuration Register */
313 u32 spllpfd; /* System PLL Test Register */
314 u32 spllnum; /* System PLL Numerator Register */
315 u32 splldenom; /* System PLL Denominator Register */
316 u32 spllss; /* System PLL Spread Spectrum Register */
317 u32 rsvd70[55];
318 u32 spllock_cnfg; /* System PLL LOCK Configuration Register */
319 u32 rsvd71[1];
320
321 u32 upllcsr; /* USB PLL Control Status Register, offset 0x700 */
322 u32 uplldiv; /* USB PLL Divide Register */
323 u32 upllcfg; /* USB PLL Configuration Register */
324} scg_t, *scg_p;
325
326u32 scg_clk_get_rate(enum scg_clk clk);
327int scg_enable_pll_pfd(enum scg_clk clk, u32 frac);
328int scg_enable_usb_pll(bool usb_control);
329u32 decode_pll(enum pll_clocks pll);
330
331void scg_a7_rccr_init(void);
332void scg_a7_spll_init(void);
333void scg_a7_ddrclk_init(void);
334void scg_a7_apll_init(void);
335void scg_a7_firc_init(void);
336void scg_a7_nicclk_init(void);
337void scg_a7_sys_clk_sel(enum scg_sys_src clk);
338void scg_a7_info(void);
339void scg_a7_soscdiv_init(void);
340
341#endif