lpc_init.c File Reference

#include <arch/io.h>
#include <soc/gpio.h>
#include <soc/pm.h>
#include <device/mmio.h>
#include <soc/iomap.h>

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Go to the source code of this file.

Macros
#define	SUSPEND_CYCLE   1
#define	RESUME_CYCLE   0
#define	LPC_FAMILY_NUMBER(gpio_pad)   (gpio_pad / MAX_FAMILY_PAD_GPIO_NO)
#define	LPC_INTERNAL_PAD_NUM(gpio_pad)   (gpio_pad % MAX_FAMILY_PAD_GPIO_NO)
#define	LPC_GPIO_OFFSET(gpio_pad)
#define	LPC_AD2_MMIO_OFFSET   LPC_GPIO_OFFSET(45)
#define	LPC_CLKRUN_MMIO_OFFSET   LPC_GPIO_OFFSET(46)
#define	LPC_AD0_MMIO_OFFSET   LPC_GPIO_OFFSET(47)
#define	LPC_FRAME_MMIO_OFFSET   LPC_GPIO_OFFSET(48)
#define	LPC_AD3_MMIO_OFFSET   LPC_GPIO_OFFSET(50)
#define	LPC_AD1_MMIO_OFFSET   LPC_GPIO_OFFSET(52)
#define	PAD_CFG0_NATIVE(mode, term, inv_rx_tx)
#define	PAD_CFG0_NATIVE_PU20K(mode)   PAD_CFG0_NATIVE(mode, 9, 0) /* PU 20K */
#define	PAD_CFG0_NATIVE_PD20K(mode)   PAD_CFG0_NATIVE(mode, 1, 0) /* PD 20K */
#define	PAD_CFG0_NATIVE_M1   PAD_CFG0_NATIVE(1, 0, 0) /* no pull */

Functions
static void	lpc_gpio_config (u32 cycle)
void	lpc_set_low_power (void)
void	lpc_init (void)

Macro Definition Documentation

LPC_AD0_MMIO_OFFSET

#define LPC_AD0_MMIO_OFFSET   LPC_GPIO_OFFSET(47)

Definition at line 19 of file lpc_init.c.

LPC_AD1_MMIO_OFFSET

#define LPC_AD1_MMIO_OFFSET   LPC_GPIO_OFFSET(52)

Definition at line 22 of file lpc_init.c.

LPC_AD2_MMIO_OFFSET

#define LPC_AD2_MMIO_OFFSET   LPC_GPIO_OFFSET(45)

Definition at line 17 of file lpc_init.c.

LPC_AD3_MMIO_OFFSET

#define LPC_AD3_MMIO_OFFSET   LPC_GPIO_OFFSET(50)

Definition at line 21 of file lpc_init.c.

LPC_CLKRUN_MMIO_OFFSET

#define LPC_CLKRUN_MMIO_OFFSET   LPC_GPIO_OFFSET(46)

Definition at line 18 of file lpc_init.c.

LPC_FAMILY_NUMBER

#define LPC_FAMILY_NUMBER

(

gpio_pad

)

(gpio_pad / MAX_FAMILY_PAD_GPIO_NO)

Definition at line 11 of file lpc_init.c.

LPC_FRAME_MMIO_OFFSET

#define LPC_FRAME_MMIO_OFFSET   LPC_GPIO_OFFSET(48)

Definition at line 20 of file lpc_init.c.

LPC_GPIO_OFFSET

#define LPC_GPIO_OFFSET

(

gpio_pad

)

Value:

                  (FAMILY_PAD_REGS_OFF \
                  + (FAMILY_PAD_REGS_SIZE * LPC_FAMILY_NUMBER(gpio_pad) \
                  + (GPIO_REGS_SIZE * LPC_INTERNAL_PAD_NUM(gpio_pad))))

Definition at line 13 of file lpc_init.c.

LPC_INTERNAL_PAD_NUM

#define LPC_INTERNAL_PAD_NUM

(

gpio_pad

)

(gpio_pad % MAX_FAMILY_PAD_GPIO_NO)

Definition at line 12 of file lpc_init.c.

PAD_CFG0_NATIVE

#define PAD_CFG0_NATIVE	(		mode,
			term,
			inv_rx_tx
	)

Value:

                                (PAD_GPIO_DISABLE \
                                | PAD_GPIOFG_HI_Z \
                                | PAD_MODE_SELECTION(mode) | PAD_PULL(term))

Definition at line 25 of file lpc_init.c.

PAD_CFG0_NATIVE_M1

#define PAD_CFG0_NATIVE_M1   PAD_CFG0_NATIVE(1, 0, 0) /* no pull */

Definition at line 31 of file lpc_init.c.

PAD_CFG0_NATIVE_PD20K

#define PAD_CFG0_NATIVE_PD20K

(

mode

)

PAD_CFG0_NATIVE(mode, 1, 0) /* PD 20K */

Definition at line 30 of file lpc_init.c.

PAD_CFG0_NATIVE_PU20K

#define PAD_CFG0_NATIVE_PU20K

(

mode

)

PAD_CFG0_NATIVE(mode, 9, 0) /* PU 20K */

Definition at line 29 of file lpc_init.c.

RESUME_CYCLE

#define RESUME_CYCLE   0

Definition at line 10 of file lpc_init.c.

SUSPEND_CYCLE

#define SUSPEND_CYCLE   1

Definition at line 9 of file lpc_init.c.

Function Documentation

lpc_gpio_config()

static void lpc_gpio_config ( u32  cycle )

static

Definition at line 37 of file lpc_init.c.

References COMMUNITY_GPSOUTHEAST_BASE, LPC_AD0_MMIO_OFFSET, LPC_AD1_MMIO_OFFSET, LPC_AD2_MMIO_OFFSET, LPC_AD3_MMIO_OFFSET, LPC_CLKRUN_MMIO_OFFSET, LPC_FRAME_MMIO_OFFSET, PAD_CFG0_NATIVE_M1, PAD_CFG0_NATIVE_PD20K, PAD_CFG0_NATIVE_PU20K, SUSPEND_CYCLE, and write32().

Referenced by lpc_init(), and lpc_set_low_power().

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lpc_init()

void lpc_init

(

void

)

Definition at line 90 of file lpc_init.c.

References ACPI_BASE_ADDRESS, ACPI_S3, ACPI_S5, inl(), inw(), lpc_gpio_config(), PM1_CNT, PM1_STS, RESUME_CYCLE, and WAK_STS.

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lpc_set_low_power()

void lpc_set_low_power

(

void

)

Definition at line 82 of file lpc_init.c.

References lpc_gpio_config(), and SUSPEND_CYCLE.

Referenced by mainboard_smi_sleep().

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