xref: /openbmc/u-boot/arch/arm/mach-keystone/include/mach/clock_defs.h (revision 83d290c56fab2d38cd1ab4c4cc7099559c1d5046)
1  /* SPDX-License-Identifier: GPL-2.0+ */
2  /*
3   * keystone2: common pll clock definitions
4   * (C) Copyright 2012-2014
5   *     Texas Instruments Incorporated, <www.ti.com>
6   */
7  
8  #ifndef _CLOCK_DEFS_H_
9  #define _CLOCK_DEFS_H_
10  
11  #include <asm/arch/hardware.h>
12  
13  /* PLL Control Registers */
14  struct pllctl_regs {
15  	u32	ctl;		/* 00 */
16  	u32	ocsel;		/* 04 */
17  	u32	secctl;		/* 08 */
18  	u32	resv0;
19  	u32	mult;		/* 10 */
20  	u32	prediv;		/* 14 */
21  	u32	div1;		/* 18 */
22  	u32	div2;		/* 1c */
23  	u32	div3;		/* 20 */
24  	u32	oscdiv1;	/* 24 */
25  	u32	resv1;		/* 28 */
26  	u32	bpdiv;		/* 2c */
27  	u32	wakeup;		/* 30 */
28  	u32	resv2;
29  	u32	cmd;		/* 38 */
30  	u32	stat;		/* 3c */
31  	u32	alnctl;		/* 40 */
32  	u32	dchange;	/* 44 */
33  	u32	cken;		/* 48 */
34  	u32	ckstat;		/* 4c */
35  	u32	systat;		/* 50 */
36  	u32	ckctl;		/* 54 */
37  	u32	resv3[2];
38  	u32	div4;		/* 60 */
39  	u32	div5;		/* 64 */
40  	u32	div6;		/* 68 */
41  	u32	div7;		/* 6c */
42  	u32	div8;		/* 70 */
43  	u32	div9;		/* 74 */
44  	u32	div10;		/* 78 */
45  	u32	div11;		/* 7c */
46  	u32	div12;		/* 80 */
47  };
48  
49  static struct pllctl_regs *pllctl_regs[] = {
50  	(struct pllctl_regs *)(KS2_CLOCK_BASE + 0x100)
51  };
52  
53  #define pllctl_reg(pll, reg)            (&(pllctl_regs[pll]->reg))
54  #define pllctl_reg_read(pll, reg)       __raw_readl(pllctl_reg(pll, reg))
55  #define pllctl_reg_write(pll, reg, val) __raw_writel(val, pllctl_reg(pll, reg))
56  
57  #define pllctl_reg_rmw(pll, reg, mask, val) \
58  	pllctl_reg_write(pll, reg, \
59  		(pllctl_reg_read(pll, reg) & ~(mask)) | val)
60  
61  #define pllctl_reg_setbits(pll, reg, mask) \
62  	pllctl_reg_rmw(pll, reg, 0, mask)
63  
64  #define pllctl_reg_clrbits(pll, reg, mask) \
65  	pllctl_reg_rmw(pll, reg, mask, 0)
66  
67  #define pll0div_read(N) ((pllctl_reg_read(CORE_PLL, div##N) & 0xff) + 1)
68  
69  /* PLLCTL Bits */
70  #define PLLCTL_PLLENSRC_SHIF	5
71  #define PLLCTL_PLLENSRC_MASK	BIT(5)
72  #define PLLCTL_PLLRST_SHIFT	3
73  #define PLLCTL_PLLRST_MASK	BIT(3)
74  #define PLLCTL_PLLPWRDN_SHIFT	1
75  #define PLLCTL_PLLPWRDN_MASK	BIT(1)
76  #define PLLCTL_PLLEN_SHIFT	0
77  #define PLLCTL_PLLEN_MASK	BIT(0)
78  
79  /* SECCTL Bits */
80  #define SECCTL_BYPASS_SHIFT	23
81  #define SECCTL_BYPASS_MASK	BIT(23)
82  #define SECCTL_OP_DIV_SHIFT	19
83  #define SECCTL_OP_DIV_MASK	(0xf << 19)
84  
85  /* PLLM Bits */
86  #define PLLM_MULT_LO_SHIFT	0
87  #define PLLM_MULT_LO_MASK	0x3f
88  #define PLLM_MULT_LO_BITS	6
89  
90  /* PLLDIVn Bits */
91  #define PLLDIV_ENABLE_SHIFT	15
92  #define PLLDIV_ENABLE_MASK	BIT(15)
93  #define PLLDIV_RATIO_SHIFT	0x0
94  #define PLLDIV_RATIO_MASK	0xff
95  #define PLLDIV_MAX		16
96  
97  /* PLLCMD Bits */
98  #define PLLCMD_GOSET_SHIFT	0
99  #define PLLCMD_GOSET_MASK	BIT(0)
100  
101  /* PLLSTAT Bits */
102  #define PLLSTAT_GOSTAT_SHIFT	0
103  #define PLLSTAT_GOSTAT_MASK	BIT(0)
104  
105  /* Device Config PLLCTL0 */
106  #define CFG_PLLCTL0_BWADJ_SHIFT		24
107  #define CFG_PLLCTL0_BWADJ_MASK		(0xff << 24)
108  #define CFG_PLLCTL0_BWADJ_BITS		8
109  #define CFG_PLLCTL0_BYPASS_SHIFT	23
110  #define CFG_PLLCTL0_BYPASS_MASK		BIT(23)
111  #define CFG_PLLCTL0_CLKOD_SHIFT		19
112  #define CFG_PLLCTL0_CLKOD_MASK		(0xf << 19)
113  #define CFG_PLLCTL0_PLLM_HI_SHIFT	12
114  #define CFG_PLLCTL0_PLLM_HI_MASK	(0x7f << 12)
115  #define CFG_PLLCTL0_PLLM_SHIFT		6
116  #define CFG_PLLCTL0_PLLM_MASK		(0x1fff << 6)
117  #define CFG_PLLCTL0_PLLD_SHIFT		0
118  #define CFG_PLLCTL0_PLLD_MASK		0x3f
119  
120  /* Device Config PLLCTL1 */
121  #define CFG_PLLCTL1_RST_SHIFT	14
122  #define CFG_PLLCTL1_RST_MASK	BIT(14)
123  #define CFG_PLLCTL1_PAPLL_SHIFT	13
124  #define CFG_PLLCTL1_PAPLL_MASK	BIT(13)
125  #define CFG_PLLCTL1_ENSAT_SHIFT	6
126  #define CFG_PLLCTL1_ENSAT_MASK	BIT(6)
127  #define CFG_PLLCTL1_BWADJ_SHIFT	0
128  #define CFG_PLLCTL1_BWADJ_MASK	0xf
129  
130  #define MISC_CTL1_ARM_PLL_EN	BIT(13)
131  
132  #endif  /* _CLOCK_DEFS_H_ */
133