clock.c File Reference

#include <assert.h>
#include <commonlib/helpers.h>
#include <delay.h>
#include <device/mmio.h>
#include <soc/clock.h>
#include <timer.h>
#include <types.h>

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Functions
static bool	clock_is_off (u32 *cbcr_addr)
enum cb_err	clock_enable_vote (void *cbcr_addr, void *vote_addr, uint32_t vote_bit)
enum cb_err	clock_enable (void *cbcr_addr)
void	clock_reset_bcr (void *bcr_addr, bool assert)
enum cb_err	enable_and_poll_gdsc_status (void *gdscr_addr)
static void	clock_configure_mnd (struct clock_rcg *clk, uint32_t m, uint32_t n, uint32_t d_2)
enum cb_err	clock_configure (struct clock_rcg *clk, struct clock_freq_config *clk_cfg, uint32_t hz, uint32_t num_perfs)
void	clock_configure_dfsr_table (int qup, struct clock_freq_config *clk_cfg, uint32_t num_perfs)
enum cb_err	clock_configure_enable_gpll (struct alpha_pll_reg_val_config *cfg, bool enable, int br_enable)
enum cb_err	agera_pll_enable (struct alpha_pll_reg_val_config *cfg)
enum cb_err	zonda_pll_enable (struct alpha_pll_reg_val_config *cfg)
void	clock_reset_subsystem (u32 *misc, u32 shft)

Function Documentation

agera_pll_enable()

enum cb_err agera_pll_enable

(

struct alpha_pll_reg_val_config *

cfg

)

Definition at line 124 of file clock.c.

References BIT, CLK_CTL_CFG_MODE_SHFT, CLK_CTL_CFG_SRC_DIV_SHFT, CLK_CTL_CFG_SRC_SEL_SHFT, CLK_CTL_CMD_DFSR_SHFT, CLK_CTL_CMD_RCG_SW_CTL_SHFT, CLK_CTL_RCG_MND_BMSK, clrsetbits32, clock_rcg_dfsr::cmd_dfsr, clock_freq_config::d_2, qupv3_clock::dfsr_clk, gcc, m, clock_freq_config::m, clock_freq_config::n, clock_rcg_dfsr::perf_d_dfsr, clock_rcg_dfsr::perf_dfsr, clock_rcg_dfsr::perf_m_dfsr, clock_rcg_dfsr::perf_n_dfsr, QUP_WRAP1_S0, RCG_MODE_DUAL_EDGE, s, setbits32, clock_freq_config::src, and write32().

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clock_configure()

enum cb_err clock_configure	(	struct clock_rcg *	clk,
		struct clock_freq_config *	clk_cfg,
		uint32_t	hz,
		uint32_t	num_perfs
	)

Definition at line 78 of file clock.c.

References CLK_CTL_CFG_MODE_SHFT, CLK_CTL_RCG_MND_BMSK, clock_rcg_mnd::d_2, m, clock_rcg_mnd::m, clock_rcg_mnd::n, clock_rcg::rcg_cfg, RCG_MODE_DUAL_EDGE, setbits32, and write32().

Referenced by clock_configure_i2c(), clock_configure_qspi(), clock_configure_sdcc1(), clock_configure_sdcc2(), clock_configure_spi(), and clock_configure_uart().

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clock_configure_dfsr_table()

void clock_configure_dfsr_table	(	int	qup,
		struct clock_freq_config *	clk_cfg,
		uint32_t	num_perfs
	)

Definition at line 124 of file clock.c.

Referenced by clock_configure_dfsr().

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clock_configure_enable_gpll()

enum cb_err clock_configure_enable_gpll	(	struct alpha_pll_reg_val_config *	cfg,
		bool	enable,
		int	br_enable
	)

Definition at line 124 of file clock.c.

Referenced by clock_configure_gpll0(), clock_configure_sdcc1(), and clock_configure_sdcc2().

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clock_configure_mnd()

static void clock_configure_mnd ( struct clock_rcg *  clk, uint32_t  m, uint32_t  n, uint32_t  d_2  )

static

Definition at line 78 of file clock.c.

clock_enable()

enum cb_err clock_enable

(

void *

cbcr_addr

)

Definition at line 12 of file clock.c.

References CLK_CTL_OFF_BMSK, and read32().

Referenced by clock_configure_qspi(), clock_configure_sdcc1(), clock_configure_sdcc2(), clock_disable_spi(), clock_enable_clear_reset(), clock_enable_i2c(), clock_enable_spi(), clock_enable_uart(), and mdss_clock_enable().

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clock_enable_vote()

enum cb_err clock_enable_vote	(	void *	cbcr_addr,
		void *	vote_addr,
		uint32_t	vote_bit
	)

Definition at line 12 of file clock.c.

Referenced by clock_enable_qup(), and clock_init().

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clock_is_off()

static bool clock_is_off ( u32 *  cbcr_addr )

static

Definition at line 12 of file clock.c.

clock_reset_bcr()

void clock_reset_bcr	(	void *	bcr_addr,
		bool	assert
	)

Definition at line 54 of file clock.c.

References assert, BIT, CLK_CTL_BCR_BLK_SHFT, clrbits32, and setbits32.

Referenced by reset_usb(), and setup_usb_host().

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clock_reset_subsystem()

void clock_reset_subsystem	(	u32 *	misc,
		u32	shft
	)

Definition at line 268 of file clock.c.

References BIT, clrbits32, and misc.

enable_and_poll_gdsc_status()

enum cb_err enable_and_poll_gdsc_status

(

void *

gdscr_addr

)

Definition at line 54 of file clock.c.

zonda_pll_enable()

enum cb_err zonda_pll_enable

(

struct alpha_pll_reg_val_config *

cfg

)

Definition at line 124 of file clock.c.