gpio.c File Reference

#include <console/console.h>
#include <soc/gpio.h>
#include <device/mmio.h>
#include <endian.h>
#include <soc/addressmap.h>

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Data Structures
union	gpio_const
union	bit_cfg
struct	cavium_gpio

Functions
static const void *	gpio_get_baseaddr (void)
gpio_t	gpio_pin_count (void)
void	gpio_input (gpio_t gpio)
void	gpio_set (gpio_t gpio, int value)
void	gpio_output (gpio_t gpio, int value)
void	gpio_invert (gpio_t gpio, int value)
int	gpio_get (gpio_t gpio)
int	gpio_strap_value (gpio_t gpio)
void	gpio_init (void)
void	gpio_input_pulldown (gpio_t gpio)
void	gpio_input_pullup (gpio_t gpio)

Function Documentation

gpio_get()

int gpio_get

(

gpio_t

gpio

)

Definition at line 135 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), printk, and read64().

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gpio_get_baseaddr()

static const void* gpio_get_baseaddr ( void  )

static

Definition at line 47 of file gpio.c.

References GPIO_PF_BAR0.

Referenced by gpio_get(), gpio_init(), gpio_input(), gpio_invert(), gpio_output(), gpio_pin_count(), gpio_set(), and gpio_strap_value().

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gpio_init()

void gpio_init

(

void

)

Definition at line 165 of file gpio.c.

References BIOS_DEBUG, gpio_get_baseaddr(), gpio_pin_count(), and printk.

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gpio_input()

void gpio_input

(

gpio_t

gpio

)

Definition at line 66 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), bit_cfg::pin_sel, printk, read64(), bit_cfg::s, bit_cfg::tx_oe, bit_cfg::u, and write64().

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gpio_input_pulldown()

void gpio_input_pulldown

(

gpio_t

gpio

)

Definition at line 176 of file gpio.c.

gpio_input_pullup()

void gpio_input_pullup

(

gpio_t

gpio

)

Definition at line 180 of file gpio.c.

gpio_invert()

void gpio_invert	(	gpio_t	gpio,
		int	value
	)

Definition at line 119 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), printk, read64(), bit_cfg::s, bit_cfg::u, value, write64(), and bit_cfg::xor.

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gpio_output()

void gpio_output	(	gpio_t	gpio,
		int	value
	)

Definition at line 99 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), gpio_set(), bit_cfg::pin_sel, printk, read64(), bit_cfg::s, bit_cfg::tx_oe, bit_cfg::u, value, and write64().

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gpio_pin_count()

gpio_t gpio_pin_count

(

void

)

Definition at line 53 of file gpio.c.

References gpio_get_baseaddr(), gpio_const::gpios, read64(), gpio_const::s, and gpio_const::u.

Referenced by gpio_get(), gpio_init(), gpio_input(), gpio_invert(), gpio_output(), gpio_set(), and gpio_strap_value().

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gpio_set()

void gpio_set	(	gpio_t	gpio,
		int	value
	)

Definition at line 83 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), printk, value, and write64().

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gpio_strap_value()

int gpio_strap_value

(

gpio_t

gpio

)

Definition at line 150 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), printk, and read64().

Referenced by mainboard_print_info().

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