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barebox/drivers/clk/mvebu/common.h

71 lines
1.8 KiB
C

/*
* Marvell EBU SoC common clock handling
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
* Based on Linux Marvell MVEBU clock providers
* Copyright (C) 2012 Marvell
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __CLK_MVEBU_COMMON_H_
#define __CLK_MVEBU_COMMON_H_
struct coreclk_ratio {
int id;
const char *name;
};
struct coreclk_soc_desc {
u32 (*get_tclk_freq)(void __iomem *sar);
u32 (*get_cpu_freq)(void __iomem *sar);
void (*get_clk_ratio)(void __iomem *sar, int id, int *mult, int *div);
const struct coreclk_ratio *ratios;
int num_ratios;
};
struct clk_gating_soc_desc {
const char *name;
const char *parent;
int bit_idx;
};
#ifdef CONFIG_ARCH_ARMADA_370
extern const struct coreclk_soc_desc armada_370_coreclks;
extern const struct clk_gating_soc_desc armada_370_gating_desc[];
#else
static const u32 armada_370_coreclks;
static const u32 armada_370_gating_desc;
#endif
#ifdef CONFIG_ARCH_ARMADA_XP
extern const struct coreclk_soc_desc armada_xp_coreclks;
extern const struct clk_gating_soc_desc armada_xp_gating_desc[];
#else
static const u32 armada_xp_coreclks;
static const u32 armada_xp_gating_desc;
#endif
#ifdef CONFIG_ARCH_DOVE
extern const struct coreclk_soc_desc dove_coreclks;
extern const struct clk_gating_soc_desc dove_gating_desc[];
#else
static const u32 dove_coreclks;
static const u32 dove_gating_desc;
#endif
#ifdef CONFIG_ARCH_KIRKWOOD
extern const struct coreclk_soc_desc kirkwood_coreclks;
extern const struct coreclk_soc_desc mv88f6180_coreclks;
extern const struct clk_gating_soc_desc kirkwood_gating_desc[];
#else
static const u32 kirkwood_coreclks;
static const u32 mv88f6180_coreclks;
static const u32 kirkwood_gating_desc;
#endif
#endif