diff options
author | Tom Rini <trini@konsulko.com> | 2020-01-06 17:07:49 -0500 |
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committer | Tom Rini <trini@konsulko.com> | 2020-01-06 17:07:49 -0500 |
commit | 5a8fa095cb848c60c630a83edf30d4fc46101e90 (patch) | |
tree | 66652768520899ddea6a24a608c1be4ed6ecfcde /arch/x86/lib/fsp/fsp_graphics.c | |
parent | 0b0c6af38738f2c132cfd41a240889acaa031c8f (diff) | |
parent | 8fbbec12f7d2c18f8883f3371cfca74a98b5dd87 (diff) |
Merge branch 'next'
Bring in the following merges:
commit 8fbbec12f7d2c18f8883f3371cfca74a98b5dd87
Merge: 87f69f467a83 63618e71e89b
Author: Tom Rini <trini@konsulko.com>
Date: Fri Jan 3 09:48:47 2020 -0500
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq into next
- updates and fixes on ls1028a, lx2, ls1046a, MC-DPSPARSER support
commit 87f69f467a8335b171c71bf217d2625d515acd7c
Merge: c0912f9bbfb2 4466b9970319
Author: Tom Rini <trini@konsulko.com>
Date: Tue Dec 24 08:18:19 2019 -0500
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-mpc85xx into next
- Enable DM driver on ppc/km boards
- Enable DM_USB for some of NXP powerpc platforms: P5040, T4240, T208x,
T104x, P4080, P2041, P2020, P1020, P3041
- Some updates in mpc85xx-ddr driver, km boards
commit c0912f9bbfb26dd03d189953678691b799d35b6e
Merge: 533c9f5714bd a1d6dc3f8407
Author: Tom Rini <trini@konsulko.com>
Date: Wed Dec 18 07:20:19 2019 -0500
Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next
- Various x86 common codes updated for TPL/SPL
- I2C designware driver updated for PCI
- ICH SPI driver updated to support Apollo Lake
- Add Intel FSP2 base support
- Intel Apollo Lake platform specific drivers support
- Add a new board Google Chromebook Coral
commit 533c9f5714bdba79dc6f2629284d4c1a08a611d1
Merge: 553cb0688782 033e18b47bd0
Author: Tom Rini <trini@konsulko.com>
Date: Tue Dec 17 07:53:08 2019 -0500
Merge tag '20191217-for-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c into next
i2c: for next
- misc: i2c_eeprom:
Add partition support and add ability to query size
of eeprom device and partitions
- i2c common:
add support for offset overflow in to address and add
sandbox tests for it.
commit 553cb06887825314e74a9bdac337467c77d1db88
Merge: f39abbbc531e b4f98b3b16ec
Author: Tom Rini <trini@konsulko.com>
Date: Thu Dec 12 08:18:59 2019 -0500
Merge tag 'dm-next-13dec19' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm into next
buildman improvements including toolchain environment feature
sandbox unicode support in serial
Diffstat (limited to 'arch/x86/lib/fsp/fsp_graphics.c')
-rw-r--r-- | arch/x86/lib/fsp/fsp_graphics.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/arch/x86/lib/fsp/fsp_graphics.c b/arch/x86/lib/fsp/fsp_graphics.c new file mode 100644 index 00000000000..226c7e66b3f --- /dev/null +++ b/arch/x86/lib/fsp/fsp_graphics.c @@ -0,0 +1,131 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com> + */ + +#include <common.h> +#include <dm.h> +#include <vbe.h> +#include <video.h> +#include <asm/fsp/fsp_support.h> +#include <asm/mtrr.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct pixel { + u8 pos; + u8 size; +}; + +static const struct fsp_framebuffer { + struct pixel red; + struct pixel green; + struct pixel blue; + struct pixel rsvd; +} fsp_framebuffer_format_map[] = { + [pixel_rgbx_8bpc] = { {0, 8}, {8, 8}, {16, 8}, {24, 8} }, + [pixel_bgrx_8bpc] = { {16, 8}, {8, 8}, {0, 8}, {24, 8} }, +}; + +static int save_vesa_mode(struct vesa_mode_info *vesa) +{ + const struct hob_graphics_info *ginfo; + const struct fsp_framebuffer *fbinfo; + + ginfo = fsp_get_graphics_info(gd->arch.hob_list, NULL); + + /* + * If there is no graphics info structure, bail out and keep + * running on the serial console. + * + * Note: on some platforms (eg: Braswell), the FSP will not produce + * the graphics info HOB unless you plug some cables to the display + * interface (eg: HDMI) on the board. + */ + if (!ginfo) { + debug("FSP graphics hand-off block not found\n"); + return -ENXIO; + } + + vesa->x_resolution = ginfo->width; + vesa->y_resolution = ginfo->height; + vesa->bits_per_pixel = 32; + vesa->bytes_per_scanline = ginfo->pixels_per_scanline * 4; + vesa->phys_base_ptr = ginfo->fb_base; + + if (ginfo->pixel_format >= pixel_bitmask) { + debug("FSP set unknown framebuffer format: %d\n", + ginfo->pixel_format); + return -EINVAL; + } + fbinfo = &fsp_framebuffer_format_map[ginfo->pixel_format]; + vesa->red_mask_size = fbinfo->red.size; + vesa->red_mask_pos = fbinfo->red.pos; + vesa->green_mask_size = fbinfo->green.size; + vesa->green_mask_pos = fbinfo->green.pos; + vesa->blue_mask_size = fbinfo->blue.size; + vesa->blue_mask_pos = fbinfo->blue.pos; + vesa->reserved_mask_size = fbinfo->rsvd.size; + vesa->reserved_mask_pos = fbinfo->rsvd.pos; + + return 0; +} + +static int fsp_video_probe(struct udevice *dev) +{ + struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); + struct video_priv *uc_priv = dev_get_uclass_priv(dev); + struct vesa_mode_info *vesa = &mode_info.vesa; + int ret; + + printf("Video: "); + + /* Initialize vesa_mode_info structure */ + ret = save_vesa_mode(vesa); + if (ret) + goto err; + + /* + * The framebuffer base address in the FSP graphics info HOB reflects + * the value assigned by the FSP. After PCI enumeration the framebuffer + * base address may be relocated. Let's get the updated one from device. + * + * For IGD, it seems to be always on BAR2. + */ + vesa->phys_base_ptr = dm_pci_read_bar32(dev, 2); + + ret = vbe_setup_video_priv(vesa, uc_priv, plat); + if (ret) + goto err; + + mtrr_add_request(MTRR_TYPE_WRCOMB, vesa->phys_base_ptr, 256 << 20); + mtrr_commit(true); + + printf("%dx%dx%d\n", uc_priv->xsize, uc_priv->ysize, + vesa->bits_per_pixel); + + return 0; + +err: + printf("No video mode configured in FSP!\n"); + return ret; +} + +static const struct udevice_id fsp_video_ids[] = { + { .compatible = "fsp-fb" }, + { } +}; + +U_BOOT_DRIVER(fsp_video) = { + .name = "fsp_video", + .id = UCLASS_VIDEO, + .of_match = fsp_video_ids, + .probe = fsp_video_probe, +}; + +static struct pci_device_id fsp_video_supported[] = { + { PCI_DEVICE_CLASS(PCI_CLASS_DISPLAY_VGA << 8, 0xffff00) }, + { }, +}; + +U_BOOT_PCI_DEVICE(fsp_video, fsp_video_supported); |