1 /*
2  * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef SOC_H
8 #define SOC_H
9 
10 #include <lib/utils.h>
11 
12 #define GLB_SRST_FST_CFG_VAL	0xfdb9
13 #define GLB_SRST_SND_CFG_VAL	0xeca8
14 
15 #define PMUCRU_PPLL_CON(n)		((n) * 4)
16 #define CRU_PLL_CON(pll_id, n)	((pll_id)  * 0x20 + (n) * 4)
17 #define PLL_MODE_MSK			0x03
18 #define PLL_MODE_SHIFT			0x08
19 #define PLL_BYPASS_MSK			0x01
20 #define PLL_BYPASS_SHIFT		0x01
21 #define PLL_PWRDN_MSK			0x01
22 #define PLL_PWRDN_SHIFT			0x0
23 #define PLL_BYPASS			BIT(1)
24 #define PLL_PWRDN			BIT(0)
25 
26 #define NO_PLL_BYPASS			(0x00)
27 #define NO_PLL_PWRDN			(0x00)
28 
29 #define FBDIV(n)		((0xfff << 16) | n)
30 #define POSTDIV2(n)		((0x7 << (12 + 16)) | (n << 12))
31 #define POSTDIV1(n)		((0x7 << (8 + 16)) | (n << 8))
32 #define REFDIV(n)		((0x3F << 16) | n)
33 #define PLL_LOCK(n)		((n >> 31) & 0x1)
34 
35 #define PLL_SLOW_MODE			BITS_WITH_WMASK(SLOW_MODE,\
36 						PLL_MODE_MSK, PLL_MODE_SHIFT)
37 
38 #define PLL_NOMAL_MODE			BITS_WITH_WMASK(NORMAL_MODE,\
39 						PLL_MODE_MSK, PLL_MODE_SHIFT)
40 
41 #define PLL_BYPASS_MODE			BIT_WITH_WMSK(PLL_BYPASS_SHIFT)
42 #define PLL_NO_BYPASS_MODE		WMSK_BIT(PLL_BYPASS_SHIFT)
43 
44 #define PLL_CON_COUNT			0x06
45 #define CRU_CLKSEL_COUNT		108
46 #define CRU_CLKSEL_CON(n)		(0x100 + (n) * 4)
47 
48 #define PMUCRU_CLKSEL_CONUT		0x06
49 #define PMUCRU_CLKSEL_OFFSET		0x080
50 #define REG_SIZE			0x04
51 #define REG_SOC_WMSK			0xffff0000
52 #define CLK_GATE_MASK			0x01
53 
54 #define PMUCRU_GATE_COUNT	0x03
55 #define CRU_GATE_COUNT		0x23
56 #define PMUCRU_GATE_CON(n)	(0x100 + (n) * 4)
57 #define CRU_GATE_CON(n)	(0x300 + (n) * 4)
58 
59 #define PMUCRU_RSTNHOLD_CON0	0x120
60 enum {
61 	PRESETN_NOC_PMU_HOLD = 1,
62 	PRESETN_INTMEM_PMU_HOLD,
63 	HRESETN_CM0S_PMU_HOLD,
64 	HRESETN_CM0S_NOC_PMU_HOLD,
65 	DRESETN_CM0S_PMU_HOLD,
66 	POESETN_CM0S_PMU_HOLD,
67 	PRESETN_SPI3_HOLD,
68 	RESETN_SPI3_HOLD,
69 	PRESETN_TIMER_PMU_0_1_HOLD,
70 	RESETN_TIMER_PMU_0_HOLD,
71 	RESETN_TIMER_PMU_1_HOLD,
72 	PRESETN_UART_M0_PMU_HOLD,
73 	RESETN_UART_M0_PMU_HOLD,
74 	PRESETN_WDT_PMU_HOLD
75 };
76 
77 #define PMUCRU_RSTNHOLD_CON1	0x124
78 enum {
79 	PRESETN_I2C0_HOLD,
80 	PRESETN_I2C4_HOLD,
81 	PRESETN_I2C8_HOLD,
82 	PRESETN_MAILBOX_PMU_HOLD,
83 	PRESETN_RKPWM_PMU_HOLD,
84 	PRESETN_PMUGRF_HOLD,
85 	PRESETN_SGRF_HOLD,
86 	PRESETN_GPIO0_HOLD,
87 	PRESETN_GPIO1_HOLD,
88 	PRESETN_CRU_PMU_HOLD,
89 	PRESETN_INTR_ARB_HOLD,
90 	PRESETN_PVTM_PMU_HOLD,
91 	RESETN_I2C0_HOLD,
92 	RESETN_I2C4_HOLD,
93 	RESETN_I2C8_HOLD
94 };
95 
96 enum plls_id {
97 	ALPLL_ID = 0,
98 	ABPLL_ID,
99 	DPLL_ID,
100 	CPLL_ID,
101 	GPLL_ID,
102 	NPLL_ID,
103 	VPLL_ID,
104 	PPLL_ID,
105 	END_PLL_ID,
106 };
107 
108 #define CLST_L_CPUS_MSK (0xf)
109 #define CLST_B_CPUS_MSK (0x3)
110 
111 enum pll_work_mode {
112 	SLOW_MODE = 0x00,
113 	NORMAL_MODE = 0x01,
114 	DEEP_SLOW_MODE = 0x02,
115 };
116 
117 enum glb_sft_reset {
118 	PMU_RST_BY_FIRST_SFT,
119 	PMU_RST_BY_SECOND_SFT = BIT(2),
120 	PMU_RST_NOT_BY_SFT = BIT(3),
121 };
122 
123 struct pll_div {
124 	uint32_t mhz;
125 	uint32_t refdiv;
126 	uint32_t fbdiv;
127 	uint32_t postdiv1;
128 	uint32_t postdiv2;
129 	uint32_t frac;
130 	uint32_t freq;
131 };
132 
133 struct deepsleep_data_s {
134 	uint32_t plls_con[END_PLL_ID][PLL_CON_COUNT];
135 	uint32_t cru_gate_con[CRU_GATE_COUNT];
136 	uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
137 };
138 
139 struct pmu_sleep_data {
140 	uint32_t pmucru_rstnhold_con0;
141 	uint32_t pmucru_rstnhold_con1;
142 };
143 
144 /**************************************************
145  * pmugrf reg, offset
146  **************************************************/
147 #define PMUGRF_OSREG(n)		(0x300 + (n) * 4)
148 #define PMUGRF_GPIO0A_P		0x040
149 #define PMUGRF_GPIO1A_P		0x050
150 
151 /**************************************************
152  * DCF reg, offset
153  **************************************************/
154 #define DCF_DCF_CTRL		0x0
155 #define DCF_DCF_ADDR		0x8
156 #define DCF_DCF_ISR		0xc
157 #define DCF_DCF_TOSET		0x14
158 #define DCF_DCF_TOCMD		0x18
159 #define DCF_DCF_CMD_CFG		0x1c
160 
161 /* DCF_DCF_ISR */
162 #define DCF_TIMEOUT		(1 << 2)
163 #define DCF_ERR			(1 << 1)
164 #define	DCF_DONE		(1 << 0)
165 
166 /* DCF_DCF_CTRL */
167 #define DCF_VOP_HW_EN		(1 << 2)
168 #define DCF_STOP		(1 << 1)
169 #define DCF_START		(1 << 0)
170 
171 #define CYCL_24M_CNT_US(us)	(24 * us)
172 #define CYCL_24M_CNT_MS(ms)	(ms * CYCL_24M_CNT_US(1000))
173 #define CYCL_32K_CNT_MS(ms)	(ms * 32)
174 
175 /**************************************************
176  * cru reg, offset
177  **************************************************/
178 #define CRU_SOFTRST_CON(n)	(0x400 + (n) * 4)
179 
180 #define CRU_DMAC0_RST		BIT_WITH_WMSK(3)
181  /* reset release*/
182 #define CRU_DMAC0_RST_RLS	WMSK_BIT(3)
183 
184 #define CRU_DMAC1_RST		BIT_WITH_WMSK(4)
185  /* reset release*/
186 #define CRU_DMAC1_RST_RLS	WMSK_BIT(4)
187 
188 #define CRU_GLB_RST_CON		0x0510
189 #define CRU_GLB_SRST_FST	0x0500
190 #define CRU_GLB_SRST_SND	0x0504
191 
192 #define CRU_CLKGATE_CON(n)	(0x300 + n * 4)
193 #define PCLK_GPIO2_GATE_SHIFT	3
194 #define PCLK_GPIO3_GATE_SHIFT	4
195 #define PCLK_GPIO4_GATE_SHIFT	5
196 
197 /**************************************************
198  * pmu cru reg, offset
199  **************************************************/
200 #define CRU_PMU_RSTHOLD_CON(n)		(0x120 + n * 4)
201 /* reset hold*/
202 #define CRU_PMU_SGRF_RST_HOLD		BIT_WITH_WMSK(6)
203 /* reset hold release*/
204 #define CRU_PMU_SGRF_RST_RLS		WMSK_BIT(6)
205 
206 #define CRU_PMU_WDTRST_MSK		(0x1 << 4)
207 #define CRU_PMU_WDTRST_EN		0x0
208 
209 #define CRU_PMU_FIRST_SFTRST_MSK	(0x3 << 2)
210 #define CRU_PMU_FIRST_SFTRST_EN		0x0
211 
212 #define CRU_PMU_CLKGATE_CON(n)		(0x100 + n * 4)
213 #define PCLK_GPIO0_GATE_SHIFT		3
214 #define PCLK_GPIO1_GATE_SHIFT		4
215 
216 #define CPU_BOOT_ADDR_WMASK	0xffff0000
217 #define CPU_BOOT_ADDR_ALIGN	16
218 
219 #define GRF_IOMUX_2BIT_MASK     0x3
220 #define GRF_IOMUX_GPIO          0x0
221 
222 #define GRF_GPIO4C2_IOMUX_SHIFT         4
223 #define GRF_GPIO4C2_IOMUX_PWM           0x1
224 #define GRF_GPIO4C6_IOMUX_SHIFT         12
225 #define GRF_GPIO4C6_IOMUX_PWM           0x1
226 
227 #define PWM_CNT(n)			(0x0000 + 0x10 * (n))
228 #define PWM_PERIOD_HPR(n)		(0x0004 + 0x10 * (n))
229 #define PWM_DUTY_LPR(n)			(0x0008 + 0x10 * (n))
230 #define PWM_CTRL(n)			(0x000c + 0x10 * (n))
231 
232 #define PWM_DISABLE			(0 << 0)
233 #define PWM_ENABLE			(1 << 0)
234 
235 /* grf reg offset */
236 #define GRF_USBPHY0_CTRL0	0x4480
237 #define GRF_USBPHY0_CTRL2	0x4488
238 #define GRF_USBPHY0_CTRL3	0x448c
239 #define GRF_USBPHY0_CTRL12	0x44b0
240 #define GRF_USBPHY0_CTRL13	0x44b4
241 #define GRF_USBPHY0_CTRL15	0x44bc
242 #define GRF_USBPHY0_CTRL16	0x44c0
243 
244 #define GRF_USBPHY1_CTRL0	0x4500
245 #define GRF_USBPHY1_CTRL2	0x4508
246 #define GRF_USBPHY1_CTRL3	0x450c
247 #define GRF_USBPHY1_CTRL12	0x4530
248 #define GRF_USBPHY1_CTRL13	0x4534
249 #define GRF_USBPHY1_CTRL15	0x453c
250 #define GRF_USBPHY1_CTRL16	0x4540
251 
252 #define GRF_GPIO2A_IOMUX	0xe000
253 #define GRF_GPIO2A_P		0xe040
254 #define GRF_GPIO3A_P		0xe050
255 #define GRF_GPIO4A_P		0xe060
256 #define GRF_GPIO2D_HE		0xe18c
257 #define GRF_DDRC0_CON0		0xe380
258 #define GRF_DDRC0_CON1		0xe384
259 #define GRF_DDRC1_CON0		0xe388
260 #define GRF_DDRC1_CON1		0xe38c
261 #define GRF_SOC_CON_BASE	0xe200
262 #define GRF_SOC_CON(n)		(GRF_SOC_CON_BASE + (n) * 4)
263 #define GRF_IO_VSEL		0xe640
264 
265 #define CRU_CLKSEL_CON0		0x0100
266 #define CRU_CLKSEL_CON6		0x0118
267 #define CRU_SDIO0_CON1		0x058c
268 #define PMUCRU_CLKSEL_CON0	0x0080
269 #define PMUCRU_CLKGATE_CON2	0x0108
270 #define PMUCRU_SOFTRST_CON0	0x0110
271 #define PMUCRU_GATEDIS_CON0 0x0130
272 #define PMUCRU_SOFTRST_CON(n)   (PMUCRU_SOFTRST_CON0 + (n) * 4)
273 
274 /* export related and operating SoC APIs */
275 void __dead2 soc_global_soft_reset(void);
276 void disable_dvfs_plls(void);
277 void disable_nodvfs_plls(void);
278 void enable_dvfs_plls(void);
279 void enable_nodvfs_plls(void);
280 void prepare_abpll_for_ddrctrl(void);
281 void restore_abpll(void);
282 void clk_gate_con_save(void);
283 void clk_gate_con_disable(void);
284 void clk_gate_con_restore(void);
285 void set_pmu_rsthold(void);
286 void pmu_sgrf_rst_hld(void);
287 __pmusramfunc void pmu_sgrf_rst_hld_release(void);
288 __pmusramfunc void restore_pmu_rsthold(void);
289 #endif /* SOC_H */
290