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/*
* keystone2: common clock header file
*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H
#ifndef __ASSEMBLY__
#ifdef CONFIG_SOC_K2HK
#include <asm/arch/clock-k2hk.h>
#endif
#ifdef CONFIG_SOC_K2E
#include <asm/arch/clock-k2e.h>
#endif
#ifdef CONFIG_SOC_K2L
#include <asm/arch/clock-k2l.h>
#endif
#define CORE_PLL MAIN_PLL
#define DDR3_PLL DDR3A_PLL
#include <asm/types.h>
#define GENERATE_ENUM(NUM, ENUM) ENUM = NUM,
#define GENERATE_INDX_STR(NUM, STRING) #NUM"\t- "#STRING"\n"
#define CLOCK_INDEXES_LIST CLK_LIST(GENERATE_INDX_STR)
enum {
SPD800,
SPD850,
SPD1000,
SPD1200,
SPD1250,
SPD1350,
SPD1400,
SPD1500,
NUM_SPDS,
};
/* PLL identifiers */
enum {
MAIN_PLL,
TETRIS_PLL,
PASS_PLL,
DDR3A_PLL,
DDR3B_PLL,
MAX_PLL_COUNT,
};
enum ext_clk_e {
sys_clk,
alt_core_clk,
pa_clk,
tetris_clk,
ddr3a_clk,
ddr3b_clk,
ext_clk_count /* number of external clocks */
};
enum clk_e {
CLK_LIST(GENERATE_ENUM)
};
struct keystone_pll_regs {
u32 reg0;
u32 reg1;
};
/* PLL configuration data */
struct pll_init_data {
int pll;
int pll_m; /* PLL Multiplier */
int pll_d; /* PLL divider */
int pll_od; /* PLL output divider */
};
extern unsigned int external_clk[ext_clk_count];
extern const struct keystone_pll_regs keystone_pll_regs[];
extern s16 divn_val[];
extern int speeds[];
void init_plls(void);
void init_pll(const struct pll_init_data *data);
struct pll_init_data *get_pll_init_data(int pll);
unsigned long clk_get_rate(unsigned int clk);
unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
int clk_set_rate(unsigned int clk, unsigned long hz);
int get_max_dev_speed(void);
int get_max_arm_speed(void);
#endif
#endif
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