static void igd_init(struct device *dev)
{
if (IS_ENABLED(CONFIG_GOP_SUPPORT))
return;
/* IGD needs to be Bus Master */
u32 reg32 = pci_read_config32(dev, PCI_COMMAND);
reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
pci_write_config32(dev, PCI_COMMAND, reg32);
gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (!gtt_res || !gtt_res->base)
return;
/* Wait for any configured pre-graphics delay */
if (!acpi_is_wakeup_s3()) {
#if IS_ENABLED(CONFIG_CHROMEOS)
if (developer_mode_enabled() || recovery_mode_enabled() ||
vboot_wants_oprom())
mdelay(CONFIG_PRE_GRAPHICS_DELAY);
#else
mdelay(CONFIG_PRE_GRAPHICS_DELAY);
#endif
}
/* Initialize PCI device, load/execute BIOS Option ROM */
pci_dev_init(dev);
#if IS_ENABLED(CONFIG_CHROMEOS)
if (!gfx_get_init_done() && !acpi_is_wakeup_s3()) {
/*
* Enable DDI-A if the Option ROM did not execute:
*
* bit 0: Display detected (RO)
* bit 4: DDI A supports 4 lanes and DDI E is not used
* bit 7: DDI buffer is idle
*/
gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES |
DDI_INIT_DISPLAY_DETECTED);
}
#endif
}
/**
* Sets vboot_handoff based on the information in vb2_shared_data
*/
static void fill_vboot_handoff(struct vboot_handoff *vboot_handoff,
struct vb2_shared_data *vb2_sd)
{
VbSharedDataHeader *vb_sd =
(VbSharedDataHeader *)vboot_handoff->shared_data;
uint32_t *oflags = &vboot_handoff->init_params.out_flags;
vb_sd->flags |= VBSD_BOOT_FIRMWARE_VBOOT2;
vboot_handoff->selected_firmware = vb2_sd->fw_slot;
vb_sd->firmware_index = vb2_sd->fw_slot;
vb_sd->magic = VB_SHARED_DATA_MAGIC;
vb_sd->struct_version = VB_SHARED_DATA_VERSION;
vb_sd->struct_size = sizeof(VbSharedDataHeader);
vb_sd->data_size = VB_SHARED_DATA_MIN_SIZE;
vb_sd->data_used = sizeof(VbSharedDataHeader);
vb_sd->fw_version_tpm = vb2_sd->fw_version_secdata;
if (get_write_protect_state())
vb_sd->flags |= VBSD_BOOT_FIRMWARE_WP_ENABLED;
if (get_sw_write_protect_state())
vb_sd->flags |= VBSD_BOOT_FIRMWARE_SW_WP_ENABLED;
if (vb2_sd->recovery_reason) {
vb_sd->firmware_index = 0xFF;
if (vb2_sd->flags & VB2_SD_FLAG_MANUAL_RECOVERY)
vb_sd->flags |= VBSD_BOOT_REC_SWITCH_ON;
*oflags |= VB_INIT_OUT_ENABLE_RECOVERY;
*oflags |= VB_INIT_OUT_CLEAR_RAM;
*oflags |= VB_INIT_OUT_ENABLE_DISPLAY;
*oflags |= VB_INIT_OUT_ENABLE_USB_STORAGE;
}
if (vb2_sd->flags & VB2_SD_DEV_MODE_ENABLED) {
*oflags |= VB_INIT_OUT_ENABLE_DEVELOPER;
*oflags |= VB_INIT_OUT_CLEAR_RAM;
*oflags |= VB_INIT_OUT_ENABLE_DISPLAY;
*oflags |= VB_INIT_OUT_ENABLE_USB_STORAGE;
vb_sd->flags |= VBSD_BOOT_DEV_SWITCH_ON;
vb_sd->flags |= VBSD_LF_DEV_SWITCH_ON;
}
/* TODO: Set these in depthcharge */
if (IS_ENABLED(CONFIG_VIRTUAL_DEV_SWITCH))
vb_sd->flags |= VBSD_HONOR_VIRT_DEV_SWITCH;
if (IS_ENABLED(CONFIG_EC_SOFTWARE_SYNC))
vb_sd->flags |= VBSD_EC_SOFTWARE_SYNC;
if (!IS_ENABLED(CONFIG_PHYSICAL_REC_SWITCH))
vb_sd->flags |= VBSD_BOOT_REC_SWITCH_VIRTUAL;
if (IS_ENABLED(CONFIG_VBOOT_EC_SLOW_UPDATE))
vb_sd->flags |= VBSD_EC_SLOW_UPDATE;
if (IS_ENABLED(CONFIG_VBOOT_OPROM_MATTERS)) {
vb_sd->flags |= VBSD_OPROM_MATTERS;
/*
* Inform vboot if the display was enabled by dev/rec
* mode or was requested by vboot kernel phase.
*/
if (*oflags & VB_INIT_OUT_ENABLE_DISPLAY ||
vboot_wants_oprom()) {
vb_sd->flags |= VBSD_OPROM_LOADED;
*oflags |= VB_INIT_OUT_ENABLE_DISPLAY;
}
}
/* In vboot1, VBSD_FWB_TRIED is
* set only if B is booted as explicitly requested. Therefore, if B is
* booted because A was found bad, the flag should not be set. It's
* better not to touch it if we can only ambiguously control it. */
/* if (vb2_sd->fw_slot)
vb_sd->flags |= VBSD_FWB_TRIED; */
/* copy kernel subkey if it's found */
if (vb2_sd->workbuf_preamble_size) {
struct vb2_fw_preamble *fp;
uintptr_t dst, src;
printk(BIOS_INFO, "Copying FW preamble\n");
fp = (struct vb2_fw_preamble *)((uintptr_t)vb2_sd +
vb2_sd->workbuf_preamble_offset);
src = (uintptr_t)&fp->kernel_subkey +
fp->kernel_subkey.key_offset;
dst = (uintptr_t)vb_sd + sizeof(VbSharedDataHeader);
assert(dst + fp->kernel_subkey.key_size <=
(uintptr_t)vboot_handoff + sizeof(*vboot_handoff));
memcpy((void *)dst, (void *)src,
fp->kernel_subkey.key_size);
vb_sd->data_used += fp->kernel_subkey.key_size;
vb_sd->kernel_subkey.key_offset =
dst - (uintptr_t)&vb_sd->kernel_subkey;
vb_sd->kernel_subkey.key_size = fp->kernel_subkey.key_size;
vb_sd->kernel_subkey.algorithm = fp->kernel_subkey.algorithm;
vb_sd->kernel_subkey.key_version =
fp->kernel_subkey.key_version;
}
vb_sd->recovery_reason = vb2_sd->recovery_reason;
}