clock.h File Reference

#include <soc/addressmap.h>
#include <types.h>

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Macros
#define	OSC_HZ   (24*MHz)
#define	GPLL_HZ   (594*MHz)
#define	CPLL_HZ   (384*MHz)
#define	NPLL_HZ   (384*MHz)
#define	PD_BUS_ACLK_HZ   (297000*KHz)
#define	PD_BUS_HCLK_HZ   (148500*KHz)
#define	PD_BUS_PCLK_HZ   (74250*KHz)
#define	PERI_ACLK_HZ   (148500*KHz)
#define	PERI_HCLK_HZ   (148500*KHz)
#define	PERI_PCLK_HZ   (74250*KHz)
#define	PWM_CLOCK_HZ   PD_BUS_PCLK_HZ

Enumerations
enum	apll_frequencies {   APLL_1800_MHZ , APLL_1416_MHZ , APLL_600_MHZ , APLL_1512_MHZ ,   APLL_600_MHZ }

Functions
void	rkclk_init (void)
void	rkclk_configure_spi (unsigned int bus, unsigned int hz)
void	rkclk_ddr_reset (u32 ch, u32 ctl, u32 phy)
void	rkclk_ddr_phy_ctl_reset (u32 ch, u32 n)
void	rkclk_configure_ddr (unsigned int hz)
void	rkclk_configure_i2s (unsigned int hz)
void	rkclk_configure_cpu (enum apll_frequencies apll_freq)
void	rkclk_configure_crypto (unsigned int hz)
void	rkclk_configure_tsadc (unsigned int hz)
void	rkclk_configure_vop_aclk (u32 vop_id, u32 aclk_hz)
int	rkclk_configure_vop_dclk (u32 vop_id, u32 dclk_hz)
void	rkclk_configure_edp (void)
void	rkclk_configure_hdmi (void)
int	rkclk_was_watchdog_reset (void)
unsigned int	rkclk_i2c_clock_for_bus (unsigned int bus)

Macro Definition Documentation

CPLL_HZ

#define CPLL_HZ   (384*MHz)

Definition at line 12 of file clock.h.

GPLL_HZ

#define GPLL_HZ   (594*MHz)

Definition at line 11 of file clock.h.

NPLL_HZ

#define NPLL_HZ   (384*MHz)

Definition at line 13 of file clock.h.

OSC_HZ

#define OSC_HZ   (24*MHz)

Definition at line 9 of file clock.h.

PD_BUS_ACLK_HZ

#define PD_BUS_ACLK_HZ   (297000*KHz)

Definition at line 22 of file clock.h.

PD_BUS_HCLK_HZ

#define PD_BUS_HCLK_HZ   (148500*KHz)

Definition at line 23 of file clock.h.

PD_BUS_PCLK_HZ

#define PD_BUS_PCLK_HZ   (74250*KHz)

Definition at line 24 of file clock.h.

PERI_ACLK_HZ

#define PERI_ACLK_HZ   (148500*KHz)

Definition at line 26 of file clock.h.

PERI_HCLK_HZ

#define PERI_HCLK_HZ   (148500*KHz)

Definition at line 27 of file clock.h.

PERI_PCLK_HZ

#define PERI_PCLK_HZ   (74250*KHz)

Definition at line 28 of file clock.h.

PWM_CLOCK_HZ

#define PWM_CLOCK_HZ   PD_BUS_PCLK_HZ

Definition at line 30 of file clock.h.

Enumeration Type Documentation

apll_frequencies

enum apll_frequencies

Enumerator
APLL_1800_MHZ
APLL_1416_MHZ
APLL_600_MHZ
APLL_1512_MHZ
APLL_600_MHZ

Definition at line 15 of file clock.h.

Function Documentation

rkclk_configure_cpu()

void rkclk_configure_cpu

(

enum apll_frequencies

apll_freq

)

Definition at line 309 of file clock.c.

References A12_DIV_MSK, A12_DIV_SHIFT, apll_cfgs, APLL_MODE_MSK, APLL_MODE_NORM, APLL_MODE_SLOW, ATCLK_DIV_MSK, ATCLK_DIV_SHIFT, CORE_SEL_PLL_MSK, rk3288_cru_reg::cru_apll_con, rk3288_cru_reg::cru_clksel_con, rk3288_cru_reg::cru_mode_con, cru_ptr, L2_DIV_MSK, M0_DIV_MSK, MP_DIV_MSK, MP_DIV_SHIFT, PCLK_DBG_DIV_MSK, PCLK_DBG_DIV_SHIFT, read32(), rk3288_grf, RK_CLRBITS, RK_CLRSETBITS, rkclk_set_pll(), rk3288_grf_regs::soc_status, SOCSTS_APLL_LOCK, udelay(), and write32().

Referenced by bootblock_mainboard_init(), mainboard_init(), soc_init(), and speed_up_boot_cpu().

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rkclk_configure_crypto()

void rkclk_configure_crypto

(

unsigned int

hz

)

Definition at line 472 of file clock.c.

References assert, rk3288_cru_reg::cru_clksel_con, cru_ptr, MHz, PD_BUS_ACLK_HZ, RK_CLRSETBITS, and write32().

Referenced by bootblock_soc_init().

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rkclk_configure_ddr()

void rkclk_configure_ddr

(

unsigned int

hz

)

Definition at line 349 of file clock.c.

rkclk_configure_edp()

void rkclk_configure_edp

(

void

)

Definition at line 565 of file clock.c.

References rk3288_cru_reg::cru_clksel_con, cru_ptr, rk3288_cru_reg::cru_softrst_con, RK_CLRBITS, RK_SETBITS, udelay(), and write32().

Referenced by rk_display_init().

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rkclk_configure_hdmi()

void rkclk_configure_hdmi

(

void

)

Definition at line 576 of file clock.c.

References rk3288_cru_reg::cru_clkgate_con, cru_ptr, rk3288_cru_reg::cru_softrst_con, RK_CLRBITS, RK_SETBITS, udelay(), and write32().

Referenced by rk_display_init().

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rkclk_configure_i2s()

void rkclk_configure_i2s

(

unsigned int

hz

)

clk_i2s0_sel: divider output from fraction clk_i2s0_pll_sel source clock: cpll clk_i2s0_div_con: 1 (div+1)

clk_i2sout_sel clk_i2s clk_i2s_ch_sel: clk_i2s0

Definition at line 451 of file clock.c.

rkclk_configure_spi()

void rkclk_configure_spi	(	unsigned int	bus,
		unsigned int	hz
	)

Definition at line 414 of file clock.c.

rkclk_configure_tsadc()

void rkclk_configure_tsadc

(

unsigned int

hz

)

Definition at line 482 of file clock.c.

rkclk_configure_vop_aclk()

void rkclk_configure_vop_aclk	(	u32	vop_id,
		u32	aclk_hz
	)

Definition at line 587 of file clock.c.

rkclk_configure_vop_dclk()

int rkclk_configure_vop_dclk	(	u32	vop_id,
		u32	dclk_hz
	)

Definition at line 610 of file clock.c.

rkclk_ddr_phy_ctl_reset()

void rkclk_ddr_phy_ctl_reset	(	u32	ch,
		u32	n
	)

Definition at line 405 of file clock.c.

References ch, cru_ptr, rk3288_cru_reg::cru_softrst_con, RK_CLRSETBITS, and write32().

Referenced by sdram_init().

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rkclk_ddr_reset()

void rkclk_ddr_reset	(	u32	ch,
		u32	ctl,
		u32	phy
	)

Definition at line 388 of file clock.c.

rkclk_i2c_clock_for_bus()

unsigned int rkclk_i2c_clock_for_bus

(

unsigned int

bus

)

Definition at line 658 of file clock.c.

rkclk_init()

void rkclk_init

(

void

)

Definition at line 232 of file clock.c.

rkclk_was_watchdog_reset()

int rkclk_was_watchdog_reset

(

void

)

Definition at line 652 of file clock.c.