diff options
| -rw-r--r-- | arch/x86/dts/efi-x86_app.dts | 4 | ||||
| -rw-r--r-- | board/efi/efi-x86_app/Kconfig | 4 | ||||
| -rw-r--r-- | doc/develop/uefi/u-boot_on_efi.rst | 2 | ||||
| -rw-r--r-- | drivers/video/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/video/efi.c | 45 | ||||
| -rw-r--r-- | include/configs/efi-x86_app.h | 6 |
6 files changed, 50 insertions, 13 deletions
diff --git a/arch/x86/dts/efi-x86_app.dts b/arch/x86/dts/efi-x86_app.dts index 04e044a07a..a5316e2a1a 100644 --- a/arch/x86/dts/efi-x86_app.dts +++ b/arch/x86/dts/efi-x86_app.dts @@ -25,4 +25,8 @@ compatible = "efi,reset"; u-boot,dm-pre-reloc; }; + efi-fb { + compatible = "efi-fb"; + }; + }; diff --git a/board/efi/efi-x86_app/Kconfig b/board/efi/efi-x86_app/Kconfig index e412702eed..ecd08d7314 100644 --- a/board/efi/efi-x86_app/Kconfig +++ b/board/efi/efi-x86_app/Kconfig @@ -12,4 +12,8 @@ config SYS_SOC config SYS_CONFIG_NAME default "efi-x86_app" +config BOARD_SPECIFIC_OPTIONS # dummy + def_bool y + imply VIDEO_EFI + endif diff --git a/doc/develop/uefi/u-boot_on_efi.rst b/doc/develop/uefi/u-boot_on_efi.rst index f275a524ce..5f2f850f07 100644 --- a/doc/develop/uefi/u-boot_on_efi.rst +++ b/doc/develop/uefi/u-boot_on_efi.rst @@ -265,7 +265,7 @@ This work could be extended in a number of ways: - Figure out how to solve the interrupt problem -- Add more drivers to the application side (e.g. video, block devices, USB, +- Add more drivers to the application side (e.g. block devices, USB, environment access). This would mostly be an academic exercise as a strong use case is not readily apparent, but it might be fun. diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 2f4650f830..a58f87f479 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -250,7 +250,7 @@ config VIDEO_COREBOOT config VIDEO_EFI bool "Enable EFI framebuffer driver support" - depends on EFI_STUB + depends on EFI_STUB || EFI_APP help Turn on this option to enable a framebuffeer driver when U-Boot is loaded as a payload (see README.u-boot_on_efi) by an EFI BIOS where diff --git a/drivers/video/efi.c b/drivers/video/efi.c index c248bd352a..5f9031f2ec 100644 --- a/drivers/video/efi.c +++ b/drivers/video/efi.c @@ -50,6 +50,28 @@ static void efi_find_pixel_bits(u32 mask, u8 *pos, u8 *size) *size = len; } +static int get_mode_info(struct vesa_mode_info *vesa) +{ + efi_guid_t efi_gop_guid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID; + struct efi_boot_services *boot = efi_get_boot(); + struct efi_gop_mode *mode; + struct efi_gop *gop; + int ret; + + if (!boot) + return log_msg_ret("sys", -ENOSYS); + ret = boot->locate_protocol(&efi_gop_guid, NULL, (void **)&gop); + if (ret) + return log_msg_ret("prot", -ENOTSUPP); + + mode = gop->mode; + vesa->phys_base_ptr = mode->fb_base; + vesa->x_resolution = mode->info->width; + vesa->y_resolution = mode->info->height; + + return 0; +} + static int save_vesa_mode(struct vesa_mode_info *vesa) { struct efi_entry_gopmode *mode; @@ -57,16 +79,23 @@ static int save_vesa_mode(struct vesa_mode_info *vesa) int size; int ret; - ret = efi_info_get(EFIET_GOP_MODE, (void **)&mode, &size); - if (ret == -ENOENT) { - debug("efi graphics output protocol mode not found\n"); - return -ENXIO; + if (IS_ENABLED(CONFIG_EFI_APP)) { + ret = get_mode_info(vesa); + if (ret) { + printf("EFI graphics output protocol not found\n"); + return -ENXIO; + } + } else { + ret = efi_info_get(EFIET_GOP_MODE, (void **)&mode, &size); + if (ret == -ENOENT) { + printf("EFI graphics output protocol mode not found\n"); + return -ENXIO; + } + vesa->phys_base_ptr = mode->fb_base; + vesa->x_resolution = mode->info->width; + vesa->y_resolution = mode->info->height; } - vesa->phys_base_ptr = mode->fb_base; - vesa->x_resolution = mode->info->width; - vesa->y_resolution = mode->info->height; - if (mode->info->pixel_format < EFI_GOT_BITMASK) { fbinfo = &efi_framebuffer_format_map[mode->info->pixel_format]; vesa->red_mask_size = fbinfo->red.size; diff --git a/include/configs/efi-x86_app.h b/include/configs/efi-x86_app.h index 33418cfbec..6061a6db0a 100644 --- a/include/configs/efi-x86_app.h +++ b/include/configs/efi-x86_app.h @@ -10,8 +10,8 @@ #undef CONFIG_TPM_TIS_BASE_ADDRESS -#define CONFIG_STD_DEVICES_SETTINGS "stdin=usbkbd,vga,serial\0" \ - "stdout=vga,serial\0" \ - "stderr=vga,serial\0" +#define CONFIG_STD_DEVICES_SETTINGS "stdin=serial\0" \ + "stdout=vidconsole\0" \ + "stderr=vidconsole\0" #endif |