1 /*
2  * (C) Copyright 2016 Heiko Stuebner <heiko@sntech.de>
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6 #ifndef _ASM_ARCH_CRU_RK3188_H
7 #define _ASM_ARCH_CRU_RK3188_H
8 
9 #define OSC_HZ		(24 * 1000 * 1000)
10 
11 #define APLL_HZ		(1608 * 1000000)
12 #define APLL_SAFE_HZ	(600 * 1000000)
13 #define GPLL_HZ		(594 * 1000000)
14 #define CPLL_HZ		(384 * 1000000)
15 
16 /* The SRAM is clocked off aclk_cpu, so we want to max it out for boot speed */
17 #define CPU_ACLK_HZ	297000000
18 #define CPU_HCLK_HZ	148500000
19 #define CPU_PCLK_HZ	74250000
20 #define CPU_H2P_HZ	74250000
21 
22 #define PERI_ACLK_HZ	148500000
23 #define PERI_HCLK_HZ	148500000
24 #define PERI_PCLK_HZ	74250000
25 
26 /* Private data for the clock driver - used by rockchip_get_cru() */
27 struct rk3188_clk_priv {
28 	struct rk3188_grf *grf;
29 	struct rk3188_cru *cru;
30 	ulong rate;
31 	bool has_bwadj;
32 };
33 
34 struct rk3188_cru {
35 	struct rk3188_pll {
36 		u32 con0;
37 		u32 con1;
38 		u32 con2;
39 		u32 con3;
40 	} pll[4];
41 	u32 cru_mode_con;
42 	u32 cru_clksel_con[35];
43 	u32 cru_clkgate_con[10];
44 	u32 reserved1[2];
45 	u32 cru_glb_srst_fst_value;
46 	u32 cru_glb_srst_snd_value;
47 	u32 reserved2[2];
48 	u32 cru_softrst_con[9];
49 	u32 cru_misc_con;
50 	u32 reserved3[2];
51 	u32 cru_glb_cnt_th;
52 };
53 check_member(rk3188_cru, cru_glb_cnt_th, 0x0140);
54 
55 /* CRU_CLKSEL0_CON */
56 enum {
57 	/* a9_core_div: core = core_src / (a9_core_div + 1) */
58 	A9_CORE_DIV_SHIFT	= 9,
59 	A9_CORE_DIV_MASK	= 0x1f,
60 	CORE_PLL_SHIFT		= 8,
61 	CORE_PLL_MASK		= 1,
62 	CORE_PLL_SELECT_APLL	= 0,
63 	CORE_PLL_SELECT_GPLL,
64 
65 	/* core peri div: core:core_peri = 2:1, 4:1, 8:1 or 16:1 */
66 	CORE_PERI_DIV_SHIFT	= 6,
67 	CORE_PERI_DIV_MASK	= 3,
68 
69 	/* aclk_cpu pll selection */
70 	CPU_ACLK_PLL_SHIFT	= 5,
71 	CPU_ACLK_PLL_MASK	= 1,
72 	CPU_ACLK_PLL_SELECT_APLL	= 0,
73 	CPU_ACLK_PLL_SELECT_GPLL,
74 
75 	/* a9_cpu_div: aclk_cpu = cpu_src / (a9_cpu_div + 1) */
76 	A9_CPU_DIV_SHIFT	= 0,
77 	A9_CPU_DIV_MASK		= 0x1f,
78 };
79 
80 /* CRU_CLKSEL1_CON */
81 enum {
82 	/* ahb2apb_pclk_div: hclk_cpu:pclk_cpu = 1:1, 2:1 or 4:1 */
83 	AHB2APB_DIV_SHIFT	= 14,
84 	AHB2APB_DIV_MASK	= 3,
85 
86 	/* cpu_pclk_div: aclk_cpu:pclk_cpu = 1:1, 2:1, 4:1 or 8:1 */
87 	CPU_PCLK_DIV_SHIFT	= 12,
88 	CPU_PCLK_DIV_MASK	= 3,
89 
90 	/* cpu_hclk_div: aclk_cpu:hclk_cpu = 1:1, 2:1 or 4:1 */
91 	CPU_HCLK_DIV_SHIFT	= 8,
92 	CPU_HCLK_DIV_MASK	= 3,
93 
94 	/* core_aclk_div: cire:aclk_core = 1:1, 2:1, 3:1, 4:1 or 8:1 */
95 	CORE_ACLK_DIV_SHIFT	= 3,
96 	CORE_ACLK_DIV_MASK	= 7,
97 };
98 
99 /* CRU_CLKSEL10_CON */
100 enum {
101 	PERI_SEL_PLL_MASK	= 1,
102 	PERI_SEL_PLL_SHIFT	= 15,
103 	PERI_SEL_CPLL		= 0,
104 	PERI_SEL_GPLL,
105 
106 	/* peri pclk div: aclk_bus:pclk_bus = 1:1, 2:1, 4:1 or 8:1 */
107 	PERI_PCLK_DIV_SHIFT	= 12,
108 	PERI_PCLK_DIV_MASK	= 3,
109 
110 	/* peripheral bus hclk div:aclk_bus: hclk_bus = 1:1, 2:1 or 4:1 */
111 	PERI_HCLK_DIV_SHIFT	= 8,
112 	PERI_HCLK_DIV_MASK	= 3,
113 
114 	/* peri aclk div: aclk_peri = periph_src / (peri_aclk_div + 1) */
115 	PERI_ACLK_DIV_SHIFT	= 0,
116 	PERI_ACLK_DIV_MASK	= 0x1f,
117 };
118 /* CRU_CLKSEL11_CON */
119 enum {
120 	HSICPHY_DIV_SHIFT	= 8,
121 	HSICPHY_DIV_MASK	= 0x3f,
122 
123 	MMC0_DIV_SHIFT		= 0,
124 	MMC0_DIV_MASK		= 0x3f,
125 };
126 
127 /* CRU_CLKSEL12_CON */
128 enum {
129 	UART_PLL_SHIFT		= 15,
130 	UART_PLL_MASK		= 1,
131 	UART_PLL_SELECT_GENERAL	= 0,
132 	UART_PLL_SELECT_CODEC,
133 
134 	EMMC_DIV_SHIFT		= 8,
135 	EMMC_DIV_MASK		= 0x3f,
136 
137 	SDIO_DIV_SHIFT		= 0,
138 	SDIO_DIV_MASK		= 0x3f,
139 };
140 
141 /* CRU_CLKSEL25_CON */
142 enum {
143 	SPI1_DIV_SHIFT		= 8,
144 	SPI1_DIV_MASK		= 0x7f,
145 
146 	SPI0_DIV_SHIFT		= 0,
147 	SPI0_DIV_MASK		= 0x7f,
148 };
149 
150 /* CRU_MODE_CON */
151 enum {
152 	GPLL_MODE_SHIFT		= 12,
153 	GPLL_MODE_MASK		= 3,
154 	GPLL_MODE_SLOW		= 0,
155 	GPLL_MODE_NORMAL,
156 	GPLL_MODE_DEEP,
157 
158 	CPLL_MODE_SHIFT		= 8,
159 	CPLL_MODE_MASK		= 3,
160 	CPLL_MODE_SLOW		= 0,
161 	CPLL_MODE_NORMAL,
162 	CPLL_MODE_DEEP,
163 
164 	DPLL_MODE_SHIFT		= 4,
165 	DPLL_MODE_MASK		= 3,
166 	DPLL_MODE_SLOW		= 0,
167 	DPLL_MODE_NORMAL,
168 	DPLL_MODE_DEEP,
169 
170 	APLL_MODE_SHIFT		= 0,
171 	APLL_MODE_MASK		= 3,
172 	APLL_MODE_SLOW		= 0,
173 	APLL_MODE_NORMAL,
174 	APLL_MODE_DEEP,
175 };
176 
177 /* CRU_APLL_CON0 */
178 enum {
179 	CLKR_SHIFT		= 8,
180 	CLKR_MASK		= 0x3f,
181 
182 	CLKOD_SHIFT		= 0,
183 	CLKOD_MASK		= 0x3f,
184 };
185 
186 /* CRU_APLL_CON1 */
187 enum {
188 	CLKF_SHIFT		= 0,
189 	CLKF_MASK		= 0x1fff,
190 };
191 
192 #endif
193