Tom Rini
6 years ago
commit
378b29cbc6
@ -0,0 +1,40 @@ |
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// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> |
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* |
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* Generic EFI payload device tree for x86 targets |
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*/ |
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|
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/dts-v1/; |
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/include/ "skeleton.dtsi" |
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/include/ "serial.dtsi" |
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/include/ "keyboard.dtsi" |
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/include/ "rtc.dtsi" |
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/include/ "tsc_timer.dtsi" |
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/ { |
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model = "EFI x86 Payload"; |
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compatible = "efi,x86-payload"; |
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aliases { |
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serial0 = &serial; |
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}; |
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config { |
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silent_console = <0>; |
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}; |
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chosen { |
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stdout-path = "/serial"; |
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}; |
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pci { |
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compatible = "pci-x86"; |
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u-boot,dm-pre-reloc; |
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}; |
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efi-fb { |
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compatible = "efi-fb"; |
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}; |
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}; |
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@ -1,7 +0,0 @@ |
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# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2002-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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obj-$(CONFIG_EFI_STUB) += car.o
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obj-$(CONFIG_EFI_STUB) += efi.o
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@ -0,0 +1,39 @@ |
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if TARGET_EFI_PAYLOAD |
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config SYS_BOARD |
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default "efi-x86_payload" |
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config SYS_VENDOR |
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default "efi" |
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config SYS_SOC |
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default "efi" |
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config SYS_CONFIG_NAME |
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default "efi-x86_payload" |
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config SYS_TEXT_BASE |
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default 0x00200000 |
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config BOARD_SPECIFIC_OPTIONS # dummy |
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def_bool y |
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imply SYS_NS16550 |
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imply SCSI |
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imply SCSI_AHCI |
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imply AHCI_PCI |
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imply MMC |
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imply MMC_PCI |
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imply MMC_SDHCI |
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imply MMC_SDHCI_SDMA |
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imply USB |
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imply USB_EHCI_HCD |
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imply USB_XHCI_HCD |
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imply USB_STORAGE |
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imply USB_KEYBOARD |
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imply VIDEO_EFI |
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imply E1000 |
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imply ETH_DESIGNWARE |
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imply PCH_GBE |
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imply RTL8169 |
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endif |
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@ -0,0 +1,7 @@ |
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EFI-X86_PAYLOAD BOARD |
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M: Bin Meng <bmeng.cn@gmail.com> |
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S: Maintained |
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F: board/efi/efi-x86_payload/ |
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F: include/configs/efi-x86_payload.h |
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F: configs/efi-x86_payload32_defconfig |
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F: configs/efi-x86_payload64_defconfig |
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@ -0,0 +1,5 @@ |
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# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
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obj-y += start.o
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@ -0,0 +1,8 @@ |
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/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
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*/ |
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.globl early_board_init
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early_board_init: |
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jmp early_board_init_ret |
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@ -0,0 +1,146 @@ |
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> |
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* |
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* EFI framebuffer driver based on GOP |
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*/ |
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#include <common.h> |
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#include <dm.h> |
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#include <efi_api.h> |
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#include <vbe.h> |
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#include <video.h> |
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struct pixel { |
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u8 pos; |
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u8 size; |
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}; |
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static const struct efi_framebuffer { |
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struct pixel red; |
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struct pixel green; |
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struct pixel blue; |
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struct pixel rsvd; |
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} efi_framebuffer_format_map[] = { |
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[EFI_GOT_RGBA8] = { {0, 8}, {8, 8}, {16, 8}, {24, 8} }, |
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[EFI_GOT_BGRA8] = { {16, 8}, {8, 8}, {0, 8}, {24, 8} }, |
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}; |
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static void efi_find_pixel_bits(u32 mask, u8 *pos, u8 *size) |
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{ |
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u8 first, len; |
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first = 0; |
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len = 0; |
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if (mask) { |
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while (!(mask & 0x1)) { |
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mask = mask >> 1; |
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first++; |
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} |
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while (mask & 0x1) { |
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mask = mask >> 1; |
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len++; |
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} |
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} |
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*pos = first; |
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*size = len; |
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} |
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static int save_vesa_mode(struct vesa_mode_info *vesa) |
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{ |
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struct efi_entry_gopmode *mode; |
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const struct efi_framebuffer *fbinfo; |
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int size; |
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int ret; |
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ret = efi_info_get(EFIET_GOP_MODE, (void **)&mode, &size); |
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if (ret == -ENOENT) { |
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debug("efi graphics output protocol mode not found\n"); |
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return -ENXIO; |
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} |
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vesa->phys_base_ptr = mode->fb_base; |
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vesa->x_resolution = mode->info->width; |
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vesa->y_resolution = mode->info->height; |
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if (mode->info->pixel_format < EFI_GOT_BITMASK) { |
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fbinfo = &efi_framebuffer_format_map[mode->info->pixel_format]; |
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vesa->red_mask_size = fbinfo->red.size; |
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vesa->red_mask_pos = fbinfo->red.pos; |
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vesa->green_mask_size = fbinfo->green.size; |
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vesa->green_mask_pos = fbinfo->green.pos; |
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vesa->blue_mask_size = fbinfo->blue.size; |
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vesa->blue_mask_pos = fbinfo->blue.pos; |
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vesa->reserved_mask_size = fbinfo->rsvd.size; |
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vesa->reserved_mask_pos = fbinfo->rsvd.pos; |
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vesa->bits_per_pixel = 32; |
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vesa->bytes_per_scanline = mode->info->pixels_per_scanline * 4; |
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} else if (mode->info->pixel_format == EFI_GOT_BITMASK) { |
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efi_find_pixel_bits(mode->info->pixel_bitmask[0], |
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&vesa->red_mask_pos, |
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&vesa->red_mask_size); |
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efi_find_pixel_bits(mode->info->pixel_bitmask[1], |
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&vesa->green_mask_pos, |
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&vesa->green_mask_size); |
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efi_find_pixel_bits(mode->info->pixel_bitmask[2], |
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&vesa->blue_mask_pos, |
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&vesa->blue_mask_size); |
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efi_find_pixel_bits(mode->info->pixel_bitmask[3], |
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&vesa->reserved_mask_pos, |
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&vesa->reserved_mask_size); |
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vesa->bits_per_pixel = vesa->red_mask_size + |
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vesa->green_mask_size + |
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vesa->blue_mask_size + |
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vesa->reserved_mask_size; |
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vesa->bytes_per_scanline = (mode->info->pixels_per_scanline * |
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vesa->bits_per_pixel) / 8; |
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} else { |
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debug("efi set unknown framebuffer format: %d\n", |
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mode->info->pixel_format); |
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return -EINVAL; |
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} |
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return 0; |
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} |
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static int efi_video_probe(struct udevice *dev) |
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{ |
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struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); |
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struct video_priv *uc_priv = dev_get_uclass_priv(dev); |
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struct vesa_mode_info *vesa = &mode_info.vesa; |
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int ret; |
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/* Initialize vesa_mode_info structure */ |
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ret = save_vesa_mode(vesa); |
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if (ret) |
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goto err; |
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ret = vbe_setup_video_priv(vesa, uc_priv, plat); |
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if (ret) |
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goto err; |
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printf("Video: %dx%dx%d\n", uc_priv->xsize, uc_priv->ysize, |
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vesa->bits_per_pixel); |
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return 0; |
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err: |
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printf("No video mode configured in EFI!\n"); |
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return ret; |
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} |
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static const struct udevice_id efi_video_ids[] = { |
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{ .compatible = "efi-fb" }, |
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{ } |
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}; |
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U_BOOT_DRIVER(efi_video) = { |
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.name = "efi_video", |
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.id = UCLASS_VIDEO, |
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.of_match = efi_video_ids, |
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.probe = efi_video_probe, |
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}; |
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@ -0,0 +1,32 @@ |
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/* SPDX-License-Identifier: GPL-2.0+ */ |
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/*
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* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> |
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*/ |
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/*
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* board/config.h - configuration options, board specific |
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*/ |
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#ifndef __CONFIG_H |
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#define __CONFIG_H |
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#include <configs/x86-common.h> |
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#define CONFIG_SYS_MONITOR_LEN (1 << 20) |
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#define CONFIG_STD_DEVICES_SETTINGS "stdin=serial,i8042-kbd\0" \ |
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"stdout=serial,vidconsole\0" \
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"stderr=serial,vidconsole\0" |
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/* ATA/IDE support */ |
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#define CONFIG_SYS_IDE_MAXBUS 2 |
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#define CONFIG_SYS_IDE_MAXDEVICE 4 |
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#define CONFIG_SYS_ATA_BASE_ADDR 0 |
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#define CONFIG_SYS_ATA_DATA_OFFSET 0 |
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#define CONFIG_SYS_ATA_REG_OFFSET 0 |
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#define CONFIG_SYS_ATA_ALT_OFFSET 0 |
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#define CONFIG_SYS_ATA_IDE0_OFFSET 0x1f0 |
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#define CONFIG_SYS_ATA_IDE1_OFFSET 0x170 |
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#define CONFIG_ATAPI |
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#endif /* __CONFIG_H */ |
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