1 /*
2  * Copyright (c) 2019-2023, Intel Corporation. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CLOCKMANAGER_H
8 #define CLOCKMANAGER_H
9 
10 #include "socfpga_handoff.h"
11 
12 /* MACRO DEFINITION */
13 #define SOCFPGA_GLOBAL_TIMER				0xffd01000
14 #define SOCFPGA_GLOBAL_TIMER_EN				0x3
15 
16 #define CLKMGR_PLLGLOB_VCO_PSRC_MASK			GENMASK(17, 16)
17 #define CLKMGR_PLLGLOB_VCO_PSRC_OFFSET			16
18 #define CLKMGR_PLLDIV_FDIV_MASK				GENMASK(16, 8)
19 #define CLKMGR_PLLDIV_FDIV_OFFSET			8
20 #define CLKMGR_PLLDIV_REFCLKDIV_MASK			GENMASK(5, 0)
21 #define CLKMGR_PLLDIV_REFCLKDIV_OFFSET			0
22 #define CLKMGR_PLLDIV_OUTDIV_QDIV_MASK			GENMASK(26, 24)
23 #define CLKMGR_PLLDIV_OUTDIV_QDIV_OFFSET		24
24 
25 #define CLKMGR_PLLOUTDIV_C0CNT_MASK			GENMASK(4, 0)
26 #define CLKMGR_PLLOUTDIV_C0CNT_OFFSET			0
27 #define CLKMGR_PLLOUTDIV_C1CNT_MASK			GENMASK(12, 8)
28 #define CLKMGR_PLLOUTDIV_C1CNT_OFFSET			8
29 #define CLKMGR_PLLDIV_OUTDIV_QDIV_MASK			GENMASK(26, 24)
30 #define CLKMGR_PLLDIV_OUTDIV_QDIV_OFFSET		24
31 #define CLKMGR_CLKSRC_MASK				GENMASK(18, 16)
32 #define CLKMGR_CLKSRC_OFFSET				16
33 #define CLKMGR_NOCDIV_DIVIDER_MASK			GENMASK(1, 0)
34 #define CLKMGR_NOCDIV_L4MAIN_OFFSET			0
35 
36 #define CLKMGR_INTOSC_HZ				400000000
37 #define CLKMGR_VCO_PSRC_EOSC1				0
38 #define CLKMGR_VCO_PSRC_INTOSC				1
39 #define CLKMGR_VCO_PSRC_F2S				2
40 #define CLKMGR_CLKSRC_MAIN				0
41 #define CLKMGR_CLKSRC_PER				1
42 
43 #define CLKMGR_N5X_BASE					0xffd10000
44 #define CLKMGR_MAINPLL_NOCCLK				0x40
45 #define CLKMGR_MAINPLL_NOCDIV				0x44
46 #define CLKMGR_MAINPLL_PLLGLOB				0x48
47 #define CLKMGR_MAINPLL_PLLOUTDIV			0x54
48 #define CLKMGR_MAINPLL_PLLDIV				0x50
49 #define CLKMGR_PERPLL_PLLGLOB				0x9c
50 #define CLKMGR_PERPLL_PLLDIV				0xa4
51 #define CLKMGR_PERPLL_PLLOUTDIV				0xa8
52 
53 /* FUNCTION DEFINITION */
54 uint64_t clk_get_pll_output_hz(void);
55 uint64_t get_l4_clk(void);
56 uint32_t get_clk_freq(uint32_t psrc_reg);
57 uint32_t get_mpu_clk(void);
58 uint32_t get_cpu_clk(void);
59 
60 #endif
61