hpm_sdxc_soc_drv.h File Reference

#include "hpm_soc.h"
#include "hpm_sdxc_regs.h"

Go to the source code of this file.

Functions
static void	sdxc_enable_tm_clock (SDXC_Type *base)
static void	sdxc_enable_freq_selection (SDXC_Type *base)
static void	sdxc_disable_freq_selection (SDXC_Type *base)
static void	sdxc_set_clock_divider (SDXC_Type *base, uint32_t div)
	Set SDXC clock divider. More...
static uint32_t	sdxc_get_clock_divider (SDXC_Type *base)
	Get SDXC divider. More...
static void	sdxc_wait_card_active (SDXC_Type *base)
	Wait at least 74 clocks until card is ready to receive the first command. More...
static void	sdxc_enable_inverse_clock (SDXC_Type *base, bool enable)
	Inverse SDXC clock. More...
static bool	sdxc_is_inverse_clock_enabled (SDXC_Type *base)
	Check whether SDXC inverse clock is enabled or not. More...
static void	sdxc_select_cardclk_delay_source (SDXC_Type *base, bool loopback_from_pad)
	Select the Card Clock Delay source. More...
static void	sdxc_set_cardclk_delay_chain (SDXC_Type *base, uint32_t num_delaycells)
	Set Card Clock delay chain. More...
static void	sdxc_set_data_strobe_delay (SDXC_Type *base, uint8_t num_of_delaycells)
	Set SDXC data strobe delay chain. More...
static uint32_t	sdxc_get_default_strobe_delay (SDXC_Type *base)
static uint32_t	sdxc_get_default_cardclk_delay_chain (SDXC_Type *base, uint32_t clock_freq)
static bool	sdxc_is_ddr50_supported (SDXC_Type *base)

Function Documentation

sdxc_disable_freq_selection()

static void sdxc_disable_freq_selection ( SDXC_Type *  base )

inlinestatic

sdxc_enable_freq_selection()

static void sdxc_enable_freq_selection ( SDXC_Type *  base )

inlinestatic

sdxc_enable_inverse_clock()

static void sdxc_enable_inverse_clock ( SDXC_Type *  base, bool  enable  )

inlinestatic

Inverse SDXC clock.

Parameters

[in]	base	SDXC base
[in]	enable	Enable/disable SDXC inverse clock

sdxc_enable_tm_clock()

static void sdxc_enable_tm_clock ( SDXC_Type *  base )

inlinestatic

sdxc_get_clock_divider()

static uint32_t sdxc_get_clock_divider ( SDXC_Type *  base )

inlinestatic

Get SDXC divider.

Parameters

[in]

base

SDXC base

Returns

SDXC divider value

sdxc_get_default_cardclk_delay_chain()

static uint32_t sdxc_get_default_cardclk_delay_chain ( SDXC_Type *  base, uint32_t  clock_freq  )

inlinestatic

sdxc_get_default_strobe_delay()

static uint32_t sdxc_get_default_strobe_delay ( SDXC_Type *  base )

inlinestatic

sdxc_is_ddr50_supported()

static bool sdxc_is_ddr50_supported ( SDXC_Type *  base )

inlinestatic

sdxc_is_inverse_clock_enabled()

static bool sdxc_is_inverse_clock_enabled ( SDXC_Type *  base )

inlinestatic

Check whether SDXC inverse clock is enabled or not.

Parameters

[in]

base

SDXC base

Return values

true	if inverse clock is enabled

sdxc_select_cardclk_delay_source()

static void sdxc_select_cardclk_delay_source ( SDXC_Type *  base, bool  loopback_from_pad  )

inlinestatic

Select the Card Clock Delay source.

Parameters

[in]	base	SDXC base
[in]	loopback_from_pad	true if the delay source is loopback from pad

sdxc_set_cardclk_delay_chain()

static void sdxc_set_cardclk_delay_chain ( SDXC_Type *  base, uint32_t  num_delaycells  )

inlinestatic

Set Card Clock delay chain.

Parameters

[in]	base	SDXC base
[in]	num_delaycells	Number of delay cells

sdxc_set_clock_divider()

static void sdxc_set_clock_divider ( SDXC_Type *  base, uint32_t  div  )

inlinestatic

Set SDXC clock divider.

Parameters

[in]	base	SDXC base
[in]	div	SDXC divider

sdxc_set_data_strobe_delay()

static void sdxc_set_data_strobe_delay ( SDXC_Type *  base, uint8_t  num_of_delaycells  )

inlinestatic

Set SDXC data strobe delay chain.

Parameters

[in]	base	SDXC base
[in]	num_of_delaycells	Number of delay cells for Data strobe

sdxc_wait_card_active()

static void sdxc_wait_card_active ( SDXC_Type *  base )

inlinestatic

Wait at least 74 clocks until card is ready to receive the first command.