gpio.c File Reference

#include <device/mmio.h>
#include <gpio.h>
#include <assert.h>
#include <soc/spi.h>

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Macros
#define	I2C_EH_RSL_MASK(name)    (EH_MASK << name##_EH | RSEL_MASK << name##_RSEL)
#define	I2C_EH_RSL_VAL(name)    (EH_VAL << name##_EH | RSEL_VAL << name##_RSEL)

Enumerations
enum	{   EN_OFFSET = 0x60 , SEL_OFFSET = 0x80 , EH_RSEL_OFFSET = 0xF0 , GPIO_DRV0_OFFSET = 0xA0 ,   GPIO_DRV1_OFFSET = 0xB0 }
enum	{   EH_VAL = 0x0 , RSEL_VAL = 0x3 , EH_MASK = 0x7 , RSEL_MASK = 0x3 ,   SCL0_EH = 19 , SCL0_RSEL = 15 , SDA0_EH = 9 , SDA0_RSEL = 5 ,   SCL1_EH = 22 , SCL1_RSEL = 17 , SDA1_EH = 12 , SDA1_RSEL = 7 ,   SCL2_EH = 24 , SCL2_RSEL = 20 , SDA2_EH = 14 , SDA2_RSEL = 10 ,   SCL3_EH = 12 , SCL3_RSEL = 10 , SDA3_EH = 7 , SDA3_RSEL = 5 ,   SCL4_EH = 27 , SCL4_RSEL = 22 , SDA4_EH = 17 , SDA4_RSEL = 12 ,   SCL5_EH = 20 , SCL5_RSEL = 18 , SDA5_EH = 15 , SDA5_RSEL = 13 }

Functions
static void	gpio_set_pull_pupd (gpio_t gpio, enum pull_enable enable, enum pull_select select)
static void	gpio_set_pull_en_sel (gpio_t gpio, enum pull_enable enable, enum pull_select select)
void	gpio_set_pull (gpio_t gpio, enum pull_enable enable, enum pull_select select)
void	gpio_set_i2c_eh_rsel (void)
void	gpio_set_spi_driving (unsigned int bus, enum spi_pad_mask pad_select, unsigned int milliamps)

Macro Definition Documentation

I2C_EH_RSL_MASK

#define I2C_EH_RSL_MASK

(

name

)

(EH_MASK << name##_EH | RSEL_MASK << name##_RSEL)

Definition at line 94 of file gpio.c.

I2C_EH_RSL_VAL

#define I2C_EH_RSL_VAL

(

name

)

(EH_VAL << name##_EH | RSEL_VAL << name##_RSEL)

Definition at line 97 of file gpio.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
EN_OFFSET
SEL_OFFSET
EH_RSEL_OFFSET
GPIO_DRV0_OFFSET
GPIO_DRV1_OFFSET

Definition at line 8 of file gpio.c.

anonymous enum

anonymous enum

Enumerator
EH_VAL
RSEL_VAL
EH_MASK
RSEL_MASK
SCL0_EH
SCL0_RSEL
SDA0_EH
SDA0_RSEL
SCL1_EH
SCL1_RSEL
SDA1_EH
SDA1_RSEL
SCL2_EH
SCL2_RSEL
SDA2_EH
SDA2_RSEL
SCL3_EH
SCL3_RSEL
SDA3_EH
SDA3_RSEL
SCL4_EH
SCL4_RSEL
SDA4_EH
SDA4_RSEL
SCL5_EH
SCL5_RSEL
SDA5_EH
SDA5_RSEL

Definition at line 63 of file gpio.c.

Function Documentation

gpio_set_i2c_eh_rsel()

void gpio_set_i2c_eh_rsel

(

void

)

Definition at line 100 of file gpio.c.

References clrsetbits32, EH_RSEL_OFFSET, I2C_EH_RSL_MASK, I2C_EH_RSL_VAL, IOCFG_BL_BASE, IOCFG_LB_BASE, IOCFG_RB_BASE, and IOCFG_RM_BASE.

Referenced by mt8183_early_init().

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gpio_set_pull()

void gpio_set_pull	(	gpio_t	gpio,
		enum pull_enable	enable,
		enum pull_select	select
	)

Definition at line 54 of file gpio.c.

References gpio_set_pull_en_sel(), and gpio_set_pull_pupd().

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gpio_set_pull_en_sel()

static void gpio_set_pull_en_sel ( gpio_t  gpio, enum pull_enable  enable, enum pull_select  select  )

static

Definition at line 35 of file gpio.c.

References clrbits32, EN_OFFSET, GPIO_PULL_DOWN, GPIO_PULL_ENABLE, GPIO_TO_IOCFG_BASE, SEL_OFFSET, and setbits32.

Referenced by gpio_set_pull().

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gpio_set_pull_pupd()

static void gpio_set_pull_pupd ( gpio_t  gpio, enum pull_enable  enable, enum pull_select  select  )

static

Definition at line 16 of file gpio.c.

References clrbits32, clrsetbits32, GPIO_PULL_DOWN, GPIO_PULL_ENABLE, GPIO_TO_IOCFG_BASE, and setbits32.

Referenced by gpio_set_pull().

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gpio_set_spi_driving()

void gpio_set_spi_driving	(	unsigned int	bus,
		enum spi_pad_mask	pad_select,
		unsigned int	milliamps
	)

Definition at line 123 of file gpio.c.

References assert, clrsetbits32, GPIO_DRV0_OFFSET, GPIO_DRV1_OFFSET, IOCFG_LM_BASE, IOCFG_RB_BASE, IOCFG_RM_BASE, NULL, offset, SPI_BUS_NUMBER, SPI_PAD0_MASK, and SPI_PAD1_MASK.

Referenced by bootblock_mainboard_init().

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