summaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm/arch-at91/clk.h
blob: ce9e28f11cc007bfb01f5da28c2e862b7aa6d46b (plain)
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
/*
 * (C) Copyright 2007
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.com>
 * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#ifndef __ASM_ARM_ARCH_CLK_H__
#define __ASM_ARM_ARCH_CLK_H__

#include <asm/arch/hardware.h>
#include <asm/global_data.h>

static inline unsigned long get_cpu_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->arch.cpu_clk_rate_hz;
}

static inline unsigned long get_main_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->arch.main_clk_rate_hz;
}

static inline unsigned long get_mck_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->arch.mck_rate_hz;
}

static inline unsigned long get_plla_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->arch.plla_rate_hz;
}

static inline unsigned long get_pllb_clk_rate(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->arch.pllb_rate_hz;
}

static inline u32 get_pllb_init(void)
{
	DECLARE_GLOBAL_DATA_PTR;
	return gd->arch.at91_pllb_usb_init;
}

static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_usart_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_lcdc_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_spi_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_twi_clk_rate(unsigned int dev_id)
{
	return get_mck_clk_rate();
}

static inline unsigned long get_mci_clk_rate(void)
{
	return get_mck_clk_rate();
}

int at91_clock_init(unsigned long main_clock);
void at91_periph_clk_enable(int id);
#endif /* __ASM_ARM_ARCH_CLK_H__ */
OpenPOWER on IntegriCloud