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/openbmc/linux/Documentation/devicetree/bindings/mailbox/
H A Dfsl,mu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dong Aisheng <aisheng.dong@nxp.com>
22 registers (Processor A-facing, Processor B-facing).
27 - const: fsl,imx6sx-mu
28 - const: fsl,imx7ulp-mu
29 - const: fsl,imx8ulp-mu
30 - const: fsl,imx8-mu-scu
31 - const: fsl,imx8-mu-seco
[all …]
/openbmc/linux/arch/mips/boot/dts/loongson/
H A Dloongson64-2k1000.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include <dt-bindings/interrupt-controller/irq.h>
10 #address-cells = <2>;
11 #size-cells = <2>;
14 #address-cells = <1>;
15 #size-cells = <0>;
21 #clock-cells = <1>;
27 #clock-cells = <0>;
28 compatible = "fixed-clock";
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/openbmc/linux/drivers/gpu/drm/display/
H A Ddrm_dp_helper.c75 return link_status[r - DP_LANE0_1_STATUS]; in dp_link_status()
149 /* DP 2.0 128b/132b */
163 /* DP 2.0 errata for 128b/132b */
183 /* DP 2.0 errata for 128b/132b */
199 /* DP 2.0 errata for 128b/132b */
208 /* DP 2.0 errata for 128b/132b */
217 /* DP 2.0 errata for 128b/132b */
229 drm_dbg_kms(aux->drm_dev, "%s: invalid AUX interval 0x%02x (max 4)\n", in __8b10b_clock_recovery_delay_us()
230 aux->name, rd_interval); in __8b10b_clock_recovery_delay_us()
241 drm_dbg_kms(aux->drm_dev, "%s: invalid AUX interval 0x%02x (max 4)\n", in __8b10b_channel_eq_delay_us()
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/openbmc/qemu/hw/pci-host/
H A Dppc4xx_pci.c20 * This file implements emulation of the 32-bit PCI controller found in some
27 #include "hw/pci-host/ppc4xx.h"
110 pci->pmm[0].la = value; in ppc4xx_pci_reg_write4()
113 pci->pmm[0].ma = value; in ppc4xx_pci_reg_write4()
116 pci->pmm[0].pciha = value; in ppc4xx_pci_reg_write4()
119 pci->pmm[0].pcila = value; in ppc4xx_pci_reg_write4()
123 pci->pmm[1].la = value; in ppc4xx_pci_reg_write4()
126 pci->pmm[1].ma = value; in ppc4xx_pci_reg_write4()
129 pci->pmm[1].pciha = value; in ppc4xx_pci_reg_write4()
132 pci->pmm[1].pcila = value; in ppc4xx_pci_reg_write4()
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H A Di440fx.c31 #include "hw/pci-host/i440fx.h"
32 #include "hw/qdev-properties.h"
37 #include "qemu/error-report.h"
77 dev->config[I440FX_SMRAM] = 0x02; in i440fx_realize()
90 for (i = 0; i < ARRAY_SIZE(d->pam_regions); i++) { in i440fx_update_memory_mappings()
91 pam_update(&d->pam_regions[i], i, in i440fx_update_memory_mappings()
92 pd->config[I440FX_PAM + DIV_ROUND_UP(i, 2)]); in i440fx_update_memory_mappings()
94 memory_region_set_enabled(&d->smram_region, in i440fx_update_memory_mappings()
95 !(pd->config[I440FX_SMRAM] & SMRAM_D_OPEN)); in i440fx_update_memory_mappings()
96 memory_region_set_enabled(&d->smram, in i440fx_update_memory_mappings()
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H A Dppce500.c19 #include "hw/ppc/e500-ccsr.h"
20 #include "hw/qdev-properties.h"
25 #include "hw/pci-host/ppce500.h"
38 #define PCIE500_REG_SIZE (PCIE500_ALL_SIZE - PCIE500_REG_BASE)
46 #define PPCE500_PCI_OW1 (0xC20 - PCIE500_REG_BASE)
47 #define PPCE500_PCI_OW2 (0xC40 - PCIE500_REG_BASE)
48 #define PPCE500_PCI_OW3 (0xC60 - PCIE500_REG_BASE)
49 #define PPCE500_PCI_OW4 (0xC80 - PCIE500_REG_BASE)
50 #define PPCE500_PCI_IW3 (0xDA0 - PCIE500_REG_BASE)
51 #define PPCE500_PCI_IW2 (0xDC0 - PCIE500_REG_BASE)
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H A Dversatile.c4 * Copyright (c) 2006-2009 CodeSourcery.
18 #include "hw/qdev-properties.h"
59 * -------------------------------
116 if (s->realview) { in pci_vpb_update_window()
120 offset = s->imap[i] & ~(s->mem_win_size[i] - 1); in pci_vpb_update_window()
123 offset = s->imap[i] << 28; in pci_vpb_update_window()
125 memory_region_set_alias_offset(&s->pci_mem_window[i], offset); in pci_vpb_update_window()
146 .name = "versatile-pci",
189 int win = (addr - PCI_IMAP0) >> 2; in pci_vpb_reg_write()
190 s->imap[win] = val; in pci_vpb_reg_write()
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H A Dmv64361.c5 * Copyright (c) 2018-2020 BALATON Zoltan
19 #include "hw/qdev-properties.h"
20 #include "exec/address-spaces.h"
22 #include "qemu/error-report.h"
24 #include "hw/pci-host/mv64361.h"
27 #define TYPE_MV64361_PCI_BRIDGE "mv64361-pcibridge"
34 k->vendor_id = PCI_VENDOR_ID_MARVELL; in mv64361_pcibridge_class_init()
35 k->device_id = PCI_DEVICE_ID_MARVELL_MV6436X; in mv64361_pcibridge_class_init()
36 k->class_id = PCI_CLASS_BRIDGE_HOST; in mv64361_pcibridge_class_init()
38 * PCI-facing part of the host bridge, in mv64361_pcibridge_class_init()
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/openbmc/linux/tools/lib/bpf/
H A Dlibbpf_common.h1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
4 * Common user-facing libbpf helpers.
40 * number of arguments provided by used in backwards-compatible way during the
45 #define ___libbpf_cat(A, B) A ## B argument
60 * Macro declares opts struct of given type and name, zero-initializes,
62 * values provided by users in struct initializer-syntax as varargs.
76 * structure size member. Values provided by users in struct initializer-
/openbmc/linux/arch/arm64/boot/dts/rockchip/
H A Drk3399-gru-scarlet.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Google Gru-scarlet board device tree source
8 #include "rk3399-gru.dtsi"
11 chassis-type = "tablet";
16 pp1250_s3: pp1250-s3 {
17 compatible = "regulator-fixed";
18 regulator-name = "pp1250_s3";
21 regulator-always-on;
22 regulator-boot-on;
23 regulator-min-microvolt = <1250000>;
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/openbmc/linux/drivers/gpu/drm/i915/gt/
H A Dintel_engine_user.c1 // SPDX-License-Identifier: MIT
19 struct rb_node *p = i915->uabi_engines.rb_node; in intel_engine_lookup_user()
25 if (class < it->uabi_class) in intel_engine_lookup_user()
26 p = p->rb_left; in intel_engine_lookup_user()
27 else if (class > it->uabi_class || in intel_engine_lookup_user()
28 instance > it->uabi_instance) in intel_engine_lookup_user()
29 p = p->rb_right; in intel_engine_lookup_user()
30 else if (instance < it->uabi_instance) in intel_engine_lookup_user()
31 p = p->rb_left; in intel_engine_lookup_user()
41 llist_add((struct llist_node *)&engine->uabi_node, in intel_engine_add_user()
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/openbmc/qemu/docs/system/
H A Dsecurity.rst5 --------
11 ---------------------
24 safely on the physical CPU at close-to-native speed.
29 - Guest
30 - User-facing interfaces (e.g. VNC, SPICE, WebSocket)
31 - Network protocols (e.g. NBD, live migration)
32 - User-supplied files (e.g. disk images, kernels, device trees)
33 - Passthrough devices (e.g. PCI, USB)
36 real-world use cases and treated as security bugs if this is the case.
38 Non-virtualization Use Case
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/openbmc/linux/Documentation/arch/x86/
H A Dearlyprintk.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Mini-HOWTO for using the earlyprintk=dbgp boot option with a
13 [host/target] <-------> [USB debug key] <-------> [client/console]
21 the lspci -vvv output::
23 # lspci -vvv
25 …roller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 03) (prog-if 20 [EHCI])
27 …Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisIN…
28 …Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- I…
31 Region 0: Memory at fe227000 (32-bit, non-prefetchable) [size=1K]
33 Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
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/openbmc/linux/drivers/extcon/
H A Dextcon-usbc-tusb320.c1 // SPDX-License-Identifier: GPL-2.0
3 * drivers/extcon/extcon-tusb320.c - TUSB320 extcon driver
10 #include <linux/extcon-provider.h>
89 [TUSB320_ATTACHED_STATE_DFP] = "downstream facing port",
90 [TUSB320_ATTACHED_STATE_UFP] = "upstream facing port",
102 static const char sig[] = { '\0', 'T', 'U', 'S', 'B', '3', '2', '0' }; in tusb320_check_signature()
107 ret = regmap_read(priv->regmap, sizeof(sig) - 1 - i, &val); in tusb320_check_signature()
111 dev_err(priv->dev, "signature mismatch!\n"); in tusb320_check_signature()
112 return -ENODEV; in tusb320_check_signature()
124 if (priv->state != TUSB320_ATTACHED_STATE_NONE) in tusb320_set_mode()
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/openbmc/u-boot/cmd/
H A Dusb.c1 // SPDX-License-Identifier: GPL-2.0+
6 * Adapted for U-Boot driver model
17 #include <dm/uclass-internal.h>
25 static int usb_stor_curr_dev = -1; /* current device */
28 static int __maybe_unused usb_ether_curr_dev = -1; /* current ethernet device */
100 printf("SFF-8020i (ATAPI)"); in usb_display_class_sub()
103 printf("QIC-157 (Tape)"); in usb_display_class_sub()
109 printf("SFF-8070"); in usb_display_class_sub()
152 uint packet_size = dev->descriptor.bMaxPacketSize0; in usb_display_desc()
154 if (dev->descriptor.bDescriptorType == USB_DT_DEVICE) { in usb_display_desc()
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/openbmc/linux/drivers/thunderbolt/
H A Dacpi.c1 // SPDX-License-Identifier: GPL-2.0
26 fwnode = fwnode_find_reference(acpi_fwnode_handle(adev), "usb4-host-interface", 0); in tb_acpi_add_link()
31 if (dev_fwnode(&nhi->pdev->dev) != fwnode) in tb_acpi_add_link()
54 dev = dev->parent; in tb_acpi_add_link()
65 if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI || in tb_acpi_add_link()
78 pm_runtime_get_sync(&pdev->dev); in tb_acpi_add_link()
80 link = device_link_add(&pdev->dev, &nhi->pdev->dev, in tb_acpi_add_link()
85 dev_dbg(&nhi->pdev->dev, "created link from %s\n", in tb_acpi_add_link()
86 dev_name(&pdev->dev)); in tb_acpi_add_link()
89 dev_warn(&nhi->pdev->dev, "device link creation from %s failed\n", in tb_acpi_add_link()
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/openbmc/linux/drivers/net/ethernet/freescale/dpaa2/
H A Ddpaa2-mac.c1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
5 #include <linux/pcs-lynx.h>
9 #include "dpaa2-eth.h"
10 #include "dpaa2-mac.h"
23 if (mac->ver_major == ver_major) in dpaa2_mac_cmp_ver()
24 return mac->ver_minor - ver_minor; in dpaa2_mac_cmp_ver()
25 return mac->ver_major - ver_major; in dpaa2_mac_cmp_ver()
30 mac->features = 0; in dpaa2_mac_detect_features()
34 mac->features |= DPAA2_MAC_FEATURE_PROTOCOL_CHANGE; in dpaa2_mac_detect_features()
61 return -EINVAL; in phy_mode()
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/openbmc/docs/designs/
H A Dexpired-password.md7 Created: 2019-07-24
67 - The BMC's initial password must be expired when the new EXPIRED_PASSWORD image
69 - An account with an expired password must not be allowed to use the BMC (except
71 - There must be a way to change the expired password using a supported
76 - The BMC automatically connects to its management network which offers
79 - The BMC is operated from its management network.
83 - The BMC has at least one account with a default password built in.
84 - The BMC can update the password; for example, the `/etc/passwd` file is
93 `passwd --expire root` command. This administratively expires the password
129 This can be either from a network-facing or in-band password changing
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/openbmc/u-boot/drivers/mtd/nand/raw/
H A Dsunxi_nand_spl.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2014-2015, Antmicro Ltd <www.antmicro.com>
4 * Copyright (c) 2015, AW-SOM Technologies <www.aw-som.com>
46 #define NFC_CTL_PAGE_SIZE(a) ((fls(a) - 11) << 8)
127 } while (--timeout_us); in check_value_inner()
149 return -ETIMEDOUT; in nand_wait_cmd_fifo_empty()
160 return -ETIMEDOUT; in nand_wait_int()
208 writel(val | NFC_CTL_RAM_METHOD | NFC_CTL_PAGE_SIZE(conf->page_size), in nand_apply_config()
210 writel(conf->ecc_size, SUNXI_NFC_BASE + NFC_CNT); in nand_apply_config()
211 writel(conf->page_size, SUNXI_NFC_BASE + NFC_SPARE_AREA); in nand_apply_config()
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/openbmc/linux/Documentation/networking/dsa/
H A Ddsa.rst22 An Ethernet switch typically comprises multiple front-panel ports and one
27 gateways, or even top-of-rack switches. This host Ethernet controller will
36 For each front-panel port, DSA creates specialized network devices which are
37 used as controlling and data-flowing endpoints for use by the Linux networking
46 - what port is this frame coming from
47 - what was the reason why this frame got forwarded
48 - how to send CPU originated traffic to specific ports
52 on Port-based VLAN IDs).
57 - the "cpu" port is the Ethernet switch facing side of the management
61 - the "dsa" port(s) are just conduits between two or more switches, and as such
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/openbmc/linux/Documentation/admin-guide/
H A Dreporting-issues.rst1 .. SPDX-License-Identifier: (GPL-2.0+ OR CC-BY-4.0)
11 Are you facing a regression with vanilla kernels from the same stable or
36 ensure it's vanilla (IOW: not patched and not using add-on modules). Also make
40 If you are facing multiple issues with the Linux kernel at once, report each
44 to pin-point the culprit with a bisection; if you succeed, include its
45 commit-id and CC everyone in the sign-off-by chain.
51 Step-by-step guide how to report issues to the kernel maintainers
58 step-by-step approach. It still tries to be brief for readability and leaves
59 out a lot of details; those are described below the step-by-step guide in a
68 * Are you facing an issue with a Linux kernel a hardware or software vendor
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/openbmc/linux/drivers/net/wireless/ath/ath12k/
H A Ddp.h1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
3 * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
188 #define DP_HW2SW_MACID(mac_id) ({ typeof(mac_id) x = (mac_id); x ? x - 1 : 0; })
235 /* To indicate HW of CMEM address, b0-31 are cmem base received via QMI */
238 /* Of 20 bits cookie, b0-b8 is to indicate SPT offset and b9-19 for PPT */
255 #define DP_INVALID_BANK_ID -1
334 * - reo_cmd_list
335 * - reo_cmd_cache_flush_list
336 * - reo_cmd_cache_flush_count
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/openbmc/linux/drivers/net/wireless/ath/ath11k/
H A Ddp.h1 /* SPDX-License-Identifier: BSD-3-Clause-Clear */
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
236 #define DP_HW2SW_MACID(mac_id) ((mac_id) ? ((mac_id) - 1) : 0)
282 * - reo_cmd_list
283 * - reo_cmd_cache_flush_list
284 * - reo_cmd_cache_flush_count
356 /* host -> target HTT_SRING_SETUP message
359 * each host facing LMAC SRING. Target setups up HW registers based
367 * |--------------- +-----------------+----------------+------------------|
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/openbmc/linux/drivers/gpu/drm/
H A Ddrm_file.c35 #include <linux/dma-fence.h>
66 * The deprecated ->load callback must be called after the driver is in drm_dev_needs_global_mutex()
71 if (dev->driver->load || dev->driver->unload) in drm_dev_needs_global_mutex()
80 if (dev->driver->lastclose) in drm_dev_needs_global_mutex()
106 * For the driver-side event interface see drm_event_reserve_init() and
111 * function, modern drivers should use one of the provided memory-manager
112 * specific implementations. For GEM-based drivers this is drm_gem_mmap().
135 * For driver-private IOCTL handling see the more detailed discussion in
140 * drm_file_alloc - allocate file context
153 struct drm_device *dev = minor->dev; in drm_file_alloc()
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/openbmc/linux/drivers/dma-buf/
H A Ddma-fence.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Fence mechanism for dma-buf and to allow for asynchronous dma access
16 #include <linux/dma-fence.h>
50 * Since the purposes of fences is to facilitate cross-device and
51 * cross-application synchronization, there's multiple ways to use one:
53 * - Individual fences can be exposed as a &sync_file, accessed as a file
58 * - Some subsystems also have their own explicit fencing primitives, like
62 * - Then there's also implicit fencing, where the synchronization points are
69 * DOC: fence cross-driver contract
77 * further command submission and force complete all in-flight fences, e.g.
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