ramstage.c File Reference

#include <bootstate.h>
#include <arch/mmio.h>
#include <delay.h>
#include <bootmode.h>
#include <device/device.h>
#include <device/pci.h>
#include <soc/pci_devs.h>
#include <drivers/intel/gma/i915_reg.h>

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Functions
static void	panel_power_on (uintptr_t igd_bar)
static void	panel_reset_assert (uintptr_t igd_bar)
static void	panel_reset_deassert (uintptr_t igd_bar)
static void	wa_init_display_signal (void *unused)
	BOOT_STATE_INIT_ENTRY (BS_POST_DEVICE, BS_ON_ENTRY, wa_init_display_signal, NULL)

Function Documentation

BOOT_STATE_INIT_ENTRY()

BOOT_STATE_INIT_ENTRY	(	BS_POST_DEVICE	,
		BS_ON_ENTRY	,
		wa_init_display_signal	,
		NULL
	)

panel_power_on()

static void panel_power_on ( uintptr_t  igd_bar )

static

Definition at line 12 of file ramstage.c.

References PANEL_POWER_ON, PCH_PP_CONTROL, and setbits32.

Referenced by wa_init_display_signal().

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panel_reset_assert()

static void panel_reset_assert ( uintptr_t  igd_bar )

static

Definition at line 17 of file ramstage.c.

References clrsetbits32, GPIO_CLOCK_DIR_MASK, GPIO_CLOCK_DIR_OUT, GPIO_CLOCK_VAL_MASK, GPIO_CLOCK_VAL_OUT, and PCH_GPIOB.

Referenced by wa_init_display_signal().

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panel_reset_deassert()

static void panel_reset_deassert ( uintptr_t  igd_bar )

static

Definition at line 24 of file ramstage.c.

References GPIO_CLOCK_DIR_MASK, GPIO_CLOCK_DIR_OUT, GPIO_CLOCK_VAL_MASK, GPIO_CLOCK_VAL_OUT, PCH_GPIOB, and setbits32.

Referenced by wa_init_display_signal().

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wa_init_display_signal()

static void wa_init_display_signal ( void *  unused )

static

Definition at line 38 of file ramstage.c.

References resource::base, display_init_required(), find_resource(), mdelay(), panel_power_on(), panel_reset_assert(), panel_reset_deassert(), PCI_BASE_ADDRESS_0, pcidev_path_on_root(), and SA_DEVFN_IGD.

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