1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2021 Chris Johns <chrisj@rtems.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Defines for Xilinx Versal ACAP SLCR registers.
*
* Reference:
* https://www.xilinx.com/html_docs/registers/am012/mod___crl.html
*/
#ifndef _VERSAL_SLCR_H_
#define _VERSAL_SLCR_H_
#define VERSAL_SLCR_CRF_OFFSET 0x01260000
#define VERSAL_SLCR_CRL_OFFSET 0x0f5e0000
/*
* PLL controls
*
* P = PPLL = PMCPLL = PMCPLL_CTRL : PMC PLL Clock
* N = NPLL = NOCPLL = NOCPLL_CTRL : NOC PLL Clock
* R = RPLL = RPLL_CTRL : Low Power Domain clock
*/
#define VERSAL_SLCR_P_PLL_CTRL (VERSAL_SLCR_CRF_OFFSET + 0x40)
#define VERSAL_SLCR_N_PLL_CTRL (VERSAL_SLCR_CRF_OFFSET + 0x50)
#define VERSAL_SLCR_R_PLL_CTRL (VERSAL_SLCR_CRL_OFFSET + 0x40)
#define VERSAL_SLCR_PLL_CTRL_RESET (1<<0)
#define VERSAL_SLCR_PLL_CTRL_BYPASS (1<<3)
#define VERSAL_SLCR_PLL_CTRL_FBDIV_SHIFT 8
#define VERSAL_SLCR_PLL_CTRL_FBDIV_MAX 0xff
#define VERSAL_SLCR_PLL_CTRL_FBDIV_MASK (VERSAL_SLCR_PLL_CTRL_FBDIV_MAX<<8)
#define VERSAL_SLCR_PLL_CTRL_DIV_SHIFT (16)
#define VERSAL_SLCR_PLL_CTRL_DIV_MASK (0x3<<16)
#define VERSAL_SLCR_PLL_CTRL_PRE_SRC_SHIFT 20
#define VERSAL_SLCR_PLL_CTRL_PRE_SRC_MASK (0x7<<20)
#define VERSAL_SLCR_PLL_CTRL_POST_SRC_SHIFT 24
#define VERSAL_SLCR_PLL_CTRL_POST_SRC_MASK (0x7<<24)
#define VERSAL_SLCR_PLL_CTRL_SRC_REF_CLK 0x0
#define VERSAL_SLCR_PLL_CTRL_SRC_REF_CLK_MASK 0x2
#define VERSAL_SLCR_PLL_CTRL_SRC_PL_PMC_ALT_REF_CLK_MASK 0x3
/* Clock controls. */
#define VERSAL_SLCR_GEM0_CLK_CTRL (VERSAL_SLCR_CRL_OFFSET + 0x118)
#define VERSAL_SLCR_GEM1_CLK_CTRL (VERSAL_SLCR_CRL_OFFSET + 0x11c)
#define VERSAL_SLCR_GEM_CLK_CTRL_CLKACT_RX (1<<27)
#define VERSAL_SLCR_GEM_CLK_CTRL_CLKACT_TX (1<<26)
#define VERSAL_SLCR_GEM_CLK_CTRL_CLKACT (1<<25)
#define VERSAL_SLCR_GEM_CLK_CTRL_DIVISOR_MAX 0x3ff
#define VERSAL_SLCR_GEM_CLK_CTRL_DIVISOR_MASK (VERSAL_SLCR_GEM_CLK_CTRL_DIVISOR_MAX<<8)
#define VERSAL_SLCR_GEM_CLK_CTRL_DIVISOR_SHIFT 8
#define VERSAL_SLCR_GEM_CLK_CTRL_SRCSEL_MASK (7<<0)
#define VERSAL_SLCR_GEM_CLK_CTRL_SRCSEL_P_PLL (0<<0)
#define VERSAL_SLCR_GEM_CLK_CTRL_SRCSEL_R_PLL (1<<0)
#define VERSAL_SLCR_GEM_CLK_CTRL_SRCSEL_N_PLL (3<<0)
#define VERSAL_DEFAULT_PS_CLK_FREQUENCY 33333333
#ifdef _KERNEL
extern int cgem_set_ref_clk(int unit, int frequency);
#endif
#endif /* _VERSAL_SLCR_H_ */
|
