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/openbmc/qemu/docs/
H A Dqdev-device-use.txt1 = How to convert to -device & friends =
7 -device parameter bus.
10 where this address can be configured, devices provide a bus-specific
13 bus property name value format
16 SCSI scsi-id %u
19 virtio-serial-bus nr %u
20 ccid-bus slot %u
23 Example: device i440FX-pcihost is on the root bus, and provides a PCI
24 bus named pci.0. To put a FOO device into its slot 4, use -device
25 FOO,bus=/i440FX-pcihost/pci.0,addr=4. The abbreviated form bus=pci.0
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/openbmc/u-boot/doc/
H A DREADME.video1 SPDX-License-Identifier: GPL-2.0+
4 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
7 "video-mode" environment variable
10 The 'video-mode' environment variable can be used to enable and configure
11 some video drivers. The format matches the video= command-line option used
14 video-mode=<driver>:<xres>x<yres>-<depth>@<freq><,option=string>
16 <driver> The video driver name, ignored by U-Boot
21 <options> A comma-separated list of device-specific options
24 U-Boot MPC8xx video controller driver
29 - MPC823FADS with AD7176 on a PAL TV (YCbYCr) - arsenio@tin.it
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H A DREADME.vxworks1 # SPDX-License-Identifier: GPL-2.0+
4 # Copyright (C) 2015-2018, Bin Meng <bmeng.cn@gmail.com>
9 This document describes the information about U-Boot loading VxWorks kernel.
12 ------
13 U-Boot supports loading VxWorks kernels via 'bootvx' and 'bootm' commands.
22 ---------------------------
36 When booting a VxWorks 7 kernel (uImage format), the parameters passed to bootm
39 bootm <kernel image address> - <device tree address>
42 ----------------
43 When using 'bootvx', the kernel bootline must be prepared by U-Boot at a
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H A DREADME.x861 # SPDX-License-Identifier: GPL-2.0+
6 U-Boot on x86
9 This document describes the information about U-Boot running on x86 targets,
13 ------
14 U-Boot supports running as a coreboot [1] payload on x86. So far only Link
17 most of the low-level details.
19 U-Boot is a main bootloader on Intel Edison board.
21 U-Boot also supports booting directly from x86 reset vector, without coreboot.
23 'bare metal', U-Boot acts like a BIOS replacement. The following platforms
26 - Bayley Bay CRB
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/openbmc/u-boot/arch/arm/mach-sunxi/
H A DKconfig4 default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if !ARM64
87 ---help---
100 ---help---
102 as the original A10 (mach-sun4i).
106 ---help---
113 ---help---
116 not have official open-source DRAM initialization code, but can
122 ---help---
124 have only 16-bit memory buswidth.
128 ---help---
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/openbmc/bmcweb/redfish-core/include/generated/enums/
H A Dprotocol.hpp1 // SPDX-License-Identifier: Apache-2.0
2 // SPDX-FileCopyrightText: Copyright OpenBMC Authors
8 // clang-format off
47 VGA, enumerator
92 {Protocol::VGA, "VGA"},
101 // clang-format on
/openbmc/qemu/tests/qtest/fuzz/
H A Dgeneric_fuzz_configs.h2 * Generic Virtual-Device Fuzzing Target Configs
10 * See the COPYING file in the top-level directory.
23 g_autofree char *tmpdir = g_dir_make_tmp("qemu-fuzz.XXXXXX", NULL); in generic_fuzzer_virtio_9p_args()
26 return g_strdup_printf("-machine q35 -nodefaults " in generic_fuzzer_virtio_9p_args()
27 "-device virtio-9p,fsdev=hshare,mount_tag=hshare " in generic_fuzzer_virtio_9p_args()
28 "-fsdev local,id=hshare,path=%s,security_model=mapped-xattr," in generic_fuzzer_virtio_9p_args()
34 .name = "virtio-net-pci-slirp",
35 .args = "-M q35 -nodefaults "
36 "-device virtio-net,netdev=net0 -netdev user,id=net0",
39 .name = "virtio-blk",
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/openbmc/linux/drivers/gpu/drm/tiny/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 tristate "DRM Support for bochs dispi vga interface (qemu stdvga)"
38 https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
41 - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
42 - qxl (DRM_QXL, qemu -vga qxl, works best with spice)
43 - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)
65 and display format must be provided via device tree.
79 https://github.com/notro/panel-mipi-dbi/wiki.
89 DRM driver for simple platform-provided framebuffers.
93 buffer, size, and display format must be provided via device tree,
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H A Dbochs.c1 // SPDX-License-Identifier: GPL-2.0-or-later
20 #include <video/vga.h>
22 /* ---------------------------------------------------------------------- */
53 static int bochs_modeset = -1;
65 /* ---------------------------------------------------------------------- */
96 /* ---------------------------------------------------------------------- */
103 if (bochs->mmio) { in bochs_vga_writeb()
104 int offset = ioport - 0x3c0 + 0x400; in bochs_vga_writeb()
106 writeb(val, bochs->mmio + offset); in bochs_vga_writeb()
117 if (bochs->mmio) { in bochs_vga_readb()
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/openbmc/linux/Documentation/userspace-api/media/v4l/
H A Dvidioc-g-fbuf.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_G_FBUF - VIDIOC_S_FBUF - Get or set frame buffer overlay parameters
46 The V4L2 API distinguishes destructive and non-destructive overlays. A
48 of a graphics card. A non-destructive overlay blends video images into a
49 VGA signal or graphics into a video signal. *Video Output Overlays* are
50 always non-destructive.
81 .. flat-table:: struct v4l2_framebuffer
82 :header-rows: 0
83 :stub-columns: 0
86 * - __u32
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/openbmc/qemu/hw/display/
H A Dqxl-render.c29 DisplaySurface *surface = qemu_console_surface(qxl->vga.con); in qxl_blit()
37 trace_qxl_render_blit(qxl->guest_primary.qxl_stride, in qxl_blit()
38 rect->left, rect->right, rect->top, rect->bottom); in qxl_blit()
39 src = qxl->guest_primary.data; in qxl_blit()
40 if (qxl->guest_primary.qxl_stride < 0) { in qxl_blit()
43 src += (qxl->guest_primary.surface.height - rect->top - 1) * in qxl_blit()
44 qxl->guest_primary.abs_stride; in qxl_blit()
46 src += rect->top * qxl->guest_primary.abs_stride; in qxl_blit()
48 dst += rect->top * qxl->guest_primary.abs_stride; in qxl_blit()
49 src += rect->left * qxl->guest_primary.bytes_pp; in qxl_blit()
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H A Dqxl.c29 #include "qemu/main-loop.h"
31 #include "hw/qdev-properties.h"
40 uint32_t cons = (r)->cons & SPICE_RING_INDEX_MASK(r); \
41 if (cons >= ARRAY_SIZE((r)->items)) { \
43 "%u >= %zu", cons, ARRAY_SIZE((r)->items)); \
46 ret = &(r)->items[cons].el; \
51 #define ALIGN(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
128 trace_qxl_set_guest_bug(qxl->id); in qxl_set_guest_bug()
130 qxl->guest_bug = 1; in qxl_set_guest_bug()
131 if (qxl->guestdebug) { in qxl_set_guest_bug()
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H A Dvmware_vga.c2 * QEMU VMware-SVGA "chipset".
33 #include "hw/qdev-properties.h"
45 /* See http://vmware-svga.sf.net/ for some documentation on VMWare SVGA */
48 VGACommonState vga; member
87 #define TYPE_VMWARE_SVGA "vmware-svga"
192 * FIFO offsets (seen as an array of 32-bit words)
356 DisplaySurface *surface = qemu_console_surface(s->vga.con); in vmsvga_update_rect()
375 src = s->vga.vram_ptr + start; in vmsvga_update_rect()
378 for (line = h; line > 0; line--, src += bypl, dst += bypl) { in vmsvga_update_rect()
381 dpy_gfx_update(s->vga.con, x, y, w, h); in vmsvga_update_rect()
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/openbmc/linux/drivers/firmware/
H A Discsi_ibft_find.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright 2007-2010 Red Hat, Inc.
10 * This code finds the iSCSI Boot Format Table.
32 * Physical location of iSCSI Boot Format Table.
45 #define VGA_MEM 0xA0000 /* VGA buffer */
49 * Routine used to find and reserve the iSCSI Boot Format Table
67 /* The table can't be inside the VGA BIOS reserved space, in reserve_ibft_region()
81 if (memcmp(virt + (pos - virt_pos), ibft_signs[i].sign, in reserve_ibft_region()
84 (unsigned long *)(virt + pos - virt_pos + 4); in reserve_ibft_region()
88 if (pos + len <= (IBFT_END-1)) { in reserve_ibft_region()
/openbmc/u-boot/tools/binman/etype/
H A Dintel_vga.py1 # SPDX-License-Identifier: GPL-2.0+
5 # Entry-type module for x86 VGA ROM binary blob
12 """Entry containing an Intel Video Graphics Adaptor (VGA) file
15 - filename: Filename of file to read into entry
18 some Intel SoCs. U-Boot executes this when the display is started up.
20 This is similar to the VBT file but in a different format.
/openbmc/linux/Documentation/admin-guide/
H A Dserial-console.rst7 kernel - by default it is not compiled in. For PC style serial ports
10 :menuselection:`Character devices --> Serial drivers --> 8250/16550 and compatible serial support -…
18 The format of this option is::
30 the port, in the format BBBBPNF, where BBBB is the
45 virtual console, and kernel messages will appear on both the VGA
79 first looks for a VGA card and then for a serial port. So if you don't
80 have a VGA card in your system the first serial port will automatically
96 rm -f console tty0
97 mknod -m 622 console c 5 1
98 mknod -m 622 tty0 c 4 0
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/openbmc/linux/drivers/video/fbdev/
H A Dpvr2fb.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * Copyright (c) 2001 - 2008 Paul Mundt <lethal@linux-sh.org>
13 * here are some hacked-up formulas:
19 * values, I could just add mode- specific offsets to get the correct mode
22 * left_margin = diwstart_h - borderstart_h;
23 * right_margin = borderstop_h - (diwstart_h + xres);
24 * upper_margin = diwstart_v - borderstart_v;
25 * lower_margin = borderstop_v - (diwstart_h + yres);
27 * hsync_len = borderstart_h + (hsync_total - borderstop_h);
28 * vsync_len = borderstart_v + (vsync_total - borderstop_v);
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/openbmc/qemu/docs/system/ppc/
H A Damigang.rst13 which is a rebranded Mai Logic Teron board with modified U-Boot
17 ----------------
19 * PowerPC 7457 CPU (can also use ``-cpu g3, 750cxe, 750fx`` or ``750gx``)
22 * PCI VGA compatible card (guests may need other card instead)
26 --------
29 U-Boot under GPL but its source is lost so it cannot be included in
31 https://www.hyperion-entertainment.com/index.php/downloads?view=files&parent=28.
35 .. code-block:: bash
37 $ tail -c 524288 updater.image > u-boot-amigaone.bin
40 vgabios so ``VGABIOS-lgpl-latest.bin`` is needed instead which can be
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/openbmc/linux/drivers/gpu/drm/pl111/
H A Dpl111_versatile.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * This is based on code and know-how in the previous frame buffer
6 * driver in drivers/video/fbdev/amba-clcd.c:
46 .compatible = "arm,core-module-integrator",
50 .compatible = "arm,versatile-sysreg",
54 .compatible = "arm,realview-eb-syscon",
58 .compatible = "arm,realview-pb1176-syscon",
62 .compatible = "arm,realview-pb11mp-syscon",
66 .compatible = "arm,realview-pba8-syscon",
70 .compatible = "arm,realview-pbx-syscon",
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/openbmc/linux/drivers/pci/
H A Dvgaarb.c1 // SPDX-License-Identifier: MIT
3 * vgaarb.c: Implements VGA arbitration. For details refer to
39 * We keep a list of all VGA devices in the system to speed
111 if (pdev == vgadev->pdev) in vgadev_find()
117 * vga_default_device - return the default VGA device, for vgacon
120 * rather dumb and will probably only work properly on single VGA card
123 * If your VGA default device is not PCI, you'll have to return NULL here.
126 * the VGA default device if that is possible. This may be a problem with
127 * real _ISA_ VGA cards, in addition to a PCI one. I don't know at this
148 * vga_remove_vgacon - deactivate VGA console
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/openbmc/qemu/roms/
H A DMakefile2 vgabios_variants := stdvga cirrus vmware qxl isavga virtio bochs-display ramfb ati
3 vgabios_targets := $(subst -isavga,,$(patsubst %,vgabios-%.bin,$(vgabios_variants)))
7 pxe-rom-e1000 efi-rom-e1000 : VID := 8086
8 pxe-rom-e1000 efi-rom-e1000 : DID := 100e
9 pxe-rom-e1000e efi-rom-e1000e : VID := 8086
10 pxe-rom-e1000e efi-rom-e1000e : DID := 10d3
11 pxe-rom-eepro100 efi-rom-eepro100 : VID := 8086
12 pxe-rom-eepro100 efi-rom-eepro100 : DID := 1209
13 pxe-rom-ne2k_pci efi-rom-ne2k_pci : VID := 1050
14 pxe-rom-ne2k_pci efi-rom-ne2k_pci : DID := 0940
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/openbmc/linux/Documentation/fb/
H A Dpvr2fb.rst13 * Most important: boot logo :-)
17 * Driver is largely untested on non-Dreamcast systems.
33 mode:X default video mode with format [xres]x[yres]-<bpp>@<refresh rate>
35 640x640-16@60, 640x480-24@60, 640x480-32@60. The Dreamcast
36 defaults to 640x480-16@60. At the time of writing the
51 cable:X cable type. This can be any of the following: vga, rgb, and
55 vga. If none is specified, we guess.
61 XF86_FBDev has been shown to work on the Dreamcast in the past - though not yet
/openbmc/linux/drivers/gpu/drm/tve200/
H A Dtve200_display.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (C) 2006-2008 Intel Corporation
14 #include <linux/dma-buf.h>
34 stat = readl(priv->regs + TVE200_INT_STAT); in tve200_irq()
51 val = readl(priv->regs + TVE200_CTRL); in tve200_irq()
54 drm_crtc_handle_vblank(&priv->pipe.crtc); in tve200_irq()
61 writel(val, priv->regs + TVE200_CTRL); in tve200_irq()
63 dev_err(priv->drm->dev, "stray IRQ %08x\n", stat); in tve200_irq()
66 writel(stat, priv->regs + TVE200_INT_CLR); in tve200_irq()
75 const struct drm_display_mode *mode = &cstate->mode; in tve200_display_check()
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/openbmc/qemu/docs/config/
H A Dq35-virtio-graphical.cfg1 # q35 - VirtIO guest (graphical console)
6 # $ qemu-system-x86_64 \
7 # -nodefaults \
8 # -readconfig q35-virtio-graphical.cfg
17 # ---------------------------------------------------------
19 # Using -nodefaults is required to have full control over
36 # 00:01.0 VGA compatible controller
75 driver = "pcie-root-port"
83 driver = "pcie-root-port"
90 driver = "pcie-root-port"
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/openbmc/linux/Documentation/driver-api/
H A Dconsole.rst1 .. SPDX-License-Identifier: GPL-2.0
25 do_take_over_console() - load and bind driver to console layer
26 give_up_console() - unload driver; it will only work if driver
49 1. bind - this is a read/write file. It shows the status of the driver if
54 - means the driver is not bound and if echo'ed, commands the driver
58 - means the driver is bound and if echo'ed, commands the driver to
61 2. name - read-only file. Shows the name of the driver in this format::
64 (S) VGA+
69 'VGA+' is the name of the driver
77 3. uevent - ignore this file
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