| /openbmc/u-boot/doc/device-tree-bindings/spi/ |
| H A D | spi-cadence.txt | 2 --------------------------------------------
5 - compatible : should be "cdns,qspi-nor"
6 - reg : 1.Physical base address and size of SPI registers map.
8 - clocks : Clock phandles (see clock bindings for details).
9 - cdns,fifo-depth : Size of the data FIFO in words.
10 - cdns,fifo-width : Bus width of the data FIFO in bytes.
11 - cdns,trigger-address : 32-bit indirect AHB trigger address.
12 - cdns,is-decoded-cs : Flag to indicate whether decoder is used or not.
13 - status : enable in requried dts.
16 --------------------------
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| /openbmc/linux/Documentation/devicetree/bindings/spi/ |
| H A D | cdns,qspi-nor-peripheral-props.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/cdns,qspi-nor-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for the Cadence QSPI controller.
10 See spi-peripheral-props.yaml for more info.
13 - Vaishnav Achath <vaishnav.a@ti.com>
16 # cdns,qspi-nor.yaml
17 cdns,read-delay:
22 cdns,tshsl-ns:
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| /openbmc/linux/drivers/s390/block/ |
| H A D | dasd_proc.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
4 * Horst Hummel <Horst.Hummel@de.ibm.com>
5 * Carsten Otte <Cotte@de.ibm.com>
6 * Martin Schwidefsky <schwidefsky@de.ibm.com>
7 * Bugreports.to..: <Linux390@de.ibm.com>
42 device = dasd_device_from_devindex((unsigned long) v - 1); in dasd_devices_show()
45 if (device->block) in dasd_devices_show()
46 block = device->block; in dasd_devices_show()
52 seq_printf(m, "%s", dev_name(&device->cdev->dev)); in dasd_devices_show()
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| /openbmc/linux/Documentation/arch/s390/ |
| H A D | driver-model.rst | 6 --------------
8 All devices which can be addressed by means of ccws are called 'CCW devices' -
15 - system/
16 - css0/
17 - 0.0.0000/0.0.0815/
18 - 0.0.0001/0.0.4711/
19 - 0.0.0002/
20 - 0.1.0000/0.1.1234/
22 - defunct/
25 device 4711 via subchannel 1 in subchannel set 0, and subchannel 2 is a non-I/O
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| /openbmc/u-boot/env/ |
| H A D | nvram.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2010
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Andreas Heppel <aheppel@sysgo.de>
11 * 09-18-2001 Andreas Heppel, Sysgo RTS GmbH <aheppel@sysgo.de>
20 * 'nvram_write()', which will be activated upon the configuration
101 gd->env_addr = (ulong)CONFIG_ENV_ADDR + sizeof(long);
103 if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
104 gd->env_addr = (ulong)&env_ptr->data;
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| /openbmc/linux/Documentation/admin-guide/media/ |
| H A D | imx.rst | 1 .. SPDX-License-Identifier: GPL-2.0
7 ------------
15 - Image DMA Controller (IDMAC)
16 - Camera Serial Interface (CSI)
17 - Image Converter (IC)
18 - Sensor Multi-FIFO Controller (SMFC)
19 - Image Rotator (IRT)
20 - Video De-Interlacing or Combining Block (VDIC)
26 re-ordering (for example UYVY to YUYV) within the same colorspace, and
27 packed <--> planar conversion. The IDMAC can also perform a simple
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| H A D | technisat.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 Author: Uwe Bugla <uwe.bugla@gmx.de> August 2009
13 -----------------------------
19 .. code-block:: none
21 lspci -vvv for a PCI device (lsusb -vvv for an USB device) will show you for example:
29 -------------------
36 In this directory uncheck every driver which is activated there
37 (except ``Simple tuner support`` for ATSC 3rd generation only -> see case 9 please).
41 - Main module part:
50 - Frontend / Tuner / Demodulator module part:
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| /openbmc/u-boot/cmd/ |
| H A D | dm.c | 1 // SPDX-License-Identifier: GPL-2.0+
6 * Marek Vasut <marex@denx.de>
72 argc -= 2; in do_dm()
74 if (!test_cmd || argc > test_cmd->maxargs) in do_dm()
77 ret = test_cmd->cmd(test_cmd, flag, argc, argv); in do_dm()
85 "tree Dump driver model tree ('*' = activated)\n"
|
| /openbmc/u-boot/arch/arm/include/asm/arch-pxa/ |
| H A D | hardware.h | 2 * linux/include/asm-arm/arch-pxa/hardware.h
12 * Note: This file was taken from linux-2.4.19-rmk4-pxa1
14 * - 2003/01/20 implementation specifics activated
15 * Robert Schwebel <r.schwebel@pengutronix.de>
21 #include <asm/mach-types.h>
53 * The mapping is set in mach-pxa/generic.c.
61 * 0x40000000 - 0x41ffffff <--> 0xf8000000 - 0xf9ffffff
62 * 0x44000000 - 0x45ffffff <--> 0xfa000000 - 0xfbffffff
63 * 0x48000000 - 0x49ffffff <--> 0xfc000000 - 0xfdffffff
66 #include "pxa-regs.h"
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| /openbmc/linux/drivers/watchdog/ |
| H A D | diag288_wdt.c | 1 // SPDX-License-Identifier: GPL-2.0-only
16 * Author(s): Arnd Bergmann (arndb@de.ibm.com)
17 * Philipp Hachtmann (phacht@de.ibm.com)
38 #define MAX_INTERVAL 3600 /* One hour should be enough - pure estimation */
42 /* Function codes - init, change, cancel */
56 MODULE_AUTHOR("Arnd Bergmann <arndb@de.ibm.com>");
57 MODULE_AUTHOR("Philipp Hachtmann <phacht@de.ibm.com>");
83 err = -EINVAL; in diag288()
116 ret = diag288_str(func, dev->timeout, wdt_cmd); in wdt_start()
119 ret = diag288(WDT_FUNC_INIT, dev->timeout, LPARWDT_RESTART, 0); in wdt_start()
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| /openbmc/u-boot/doc/driver-model/ |
| H A D | README.txt | 4 This README contains high-level information about driver model, a unified
5 way of declaring and accessing drivers in U-Boot. The original work was done
8 Marek Vasut <marex@denx.de>
20 -----------
22 Uclass - a group of devices which operate in the same way. A uclass provides
28 Driver - some code which talks to a peripheral and presents a higher-level
31 Device - an instance of a driver, tied to a particular port or peripheral.
35 -------------
37 Build U-Boot sandbox and run it:
41 ./u-boot -d u-boot.dtb
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| /openbmc/linux/drivers/input/keyboard/ |
| H A D | matrix_keypad.c | 1 // SPDX-License-Identifier: GPL-2.0-only
43 * HiZ when de-activated to cause minmal side effect when scanning other
50 bool level_on = !pdata->active_low; in __activate_col()
53 gpio_direction_output(pdata->col_gpios[col], level_on); in __activate_col()
55 gpio_set_value_cansleep(pdata->col_gpios[col], !level_on); in __activate_col()
56 if (!pdata->drive_inactive_cols) in __activate_col()
57 gpio_direction_input(pdata->col_gpios[col]); in __activate_col()
66 if (on && pdata->col_scan_delay_us) in activate_col()
67 udelay(pdata->col_scan_delay_us); in activate_col()
75 for (col = 0; col < pdata->num_col_gpios; col++) in activate_all_cols()
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| /openbmc/linux/arch/sparc/include/asm/ |
| H A D | bbc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * bbc.h: Defines for BootBus Controller found on UltraSPARC-III
12 /* Register sizes are indicated by "B" (Byte, 1-byte),
13 * "H" (Half-word, 2 bytes), "W" (Word, 4 bytes) or
29 #define BBC_ES_DACT 0x14 /* [B] E* De-Assert Change Time */
30 #define BBC_ES_DABT 0x15 /* [B] E* De-Assert Bypass Time */
38 #define BBC_I2C_0_S1 0x2e /* [B] I2C ctrlr-0 reg S1 */
39 #define BBC_I2C_0_S0 0x2f /* [B] I2C ctrlr-0 regs S0,S0',S2,S3*/
40 #define BBC_I2C_1_S1 0x30 /* [B] I2C ctrlr-1 reg S1 */
41 #define BBC_I2C_1_S0 0x31 /* [B] I2C ctrlr-1 regs S0,S0',S2,S3*/
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| /openbmc/linux/drivers/misc/genwqe/ |
| H A D | card_sysfs.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
10 * Author: Michael Ruettger <michael@ibmra.de>
33 [GENWQE_TYPE_ALTERA_230] = "GenWQE4-230",
34 [GENWQE_TYPE_ALTERA_530] = "GenWQE4-530",
35 [GENWQE_TYPE_ALTERA_A4] = "GenWQE5-A4",
36 [GENWQE_TYPE_ALTERA_A7] = "GenWQE5-A7",
45 return sprintf(buf, "%s\n", cs[cd->card_state]); in status_show()
133 * curr_bitstream_show() - Show the current bitstream id
160 * next_bitstream_show() - Show the next activated bitstream
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| /openbmc/linux/net/dccp/ |
| H A D | ccid.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
28 if (ccids[i]->ccid_id == id) in ccid_by_number()
37 if (ccid_by_number(ccid_array[--array_len]) == NULL) in ccid_support_check()
43 * ccid_get_builtin_ccids - Populate a list of built-in CCIDs
47 * This function allocates memory - caller must see that it is freed after use.
53 return -ENOBUFS; in ccid_get_builtin_ccids()
56 (*ccid_array)[*array_len] = ccids[*array_len]->ccid_id; in ccid_get_builtin_ccids()
67 return -ENOBUFS; in ccid_getsockopt_builtin_ccids()
70 err = -EFAULT; in ccid_getsockopt_builtin_ccids()
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| /openbmc/linux/drivers/scsi/ |
| H A D | sense_codes.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * http://www.t10.org/lists/asc-num.txt [most recent: 20200817]
9 SENSE_CODE(0x0002, "End-of-partition/medium detected")
11 SENSE_CODE(0x0004, "Beginning-of-partition/medium detected")
12 SENSE_CODE(0x0005, "End-of-data detected")
51 SENSE_CODE(0x0409, "Logical unit not ready, self-test in progress")
87 SENSE_CODE(0x0801, "Logical unit communication time-out")
89 SENSE_CODE(0x0803, "Logical unit communication CRC error (Ultra-DMA/32)")
102 SENSE_CODE(0x0B01, "Warning - specified temperature exceeded")
103 SENSE_CODE(0x0B02, "Warning - enclosure degraded")
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| /openbmc/linux/drivers/scsi/device_handler/ |
| H A D | scsi_dh_hp_sw.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Copyright (C) 2008 Hannes Reinecke <hare@suse.de>
23 #define HP_SW_PATH_UNINITIALIZED -1
37 * tur_done - Handle TEST UNIT READY return status
48 switch (sshdr->sense_key) { in tur_done()
53 if (sshdr->asc == 0x04 && sshdr->ascq == 2) { in tur_done()
55 * LUN not ready - Initialization command required in tur_done()
59 h->path_state = HP_SW_PATH_PASSIVE; in tur_done()
67 HP_SW_NAME, sshdr->sense_key, sshdr->asc, in tur_done()
68 sshdr->ascq); in tur_done()
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| /openbmc/linux/include/linux/ |
| H A D | damon.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Author: SeongJae Park <sjpark@amazon.de>
19 /* Max priority score for DAMON-based operation schemes */
25 return l + get_random_u32_below(r - l); in damon_rand()
29 * struct damon_addr_range - Represents an address region of [@start, @end).
39 * struct damon_region - Represents a monitoring target region.
49 * region are set as region size-weighted average of those of the two regions.
63 * struct damon_target - Represents a monitoring target.
82 * enum damos_action - Represents an action of a Data Access Monitoring-based
114 * struct damos_quota - Controls the aggressiveness of the given scheme.
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| /openbmc/linux/Documentation/accounting/ |
| H A D | psi.rst | 4 PSI - Pressure Stall Information
14 either play it safe and under-utilize their hardware resources, or
23 scarcity aids users in sizing workloads to hardware--or provisioning
38 respective file in /proc/pressure/ -- cpu, memory, and io.
48 The "full" line indicates the share of time in which all non-idle
112 When activated, psi monitor stays active for at least the duration of one
116 Notifications to the userspace are rate-limited to one per tracking window.
118 The trigger will de-register when the file descriptor used to define the
158 n = poll(&fds, 1, -1);
187 Per-cgroup psi monitors can be specified and used the same way as
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| /openbmc/linux/arch/s390/kvm/ |
| H A D | diag.c | 1 // SPDX-License-Identifier: GPL-2.0
7 * Author(s): Carsten Otte <cotte@de.ibm.com>
8 * Christian Borntraeger <borntraeger@de.ibm.com>
14 #include <asm/virtio-ccw.h>
15 #include "kvm-s390.h"
17 #include "trace-s390.h"
25 start = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; in diag_release_pages()
26 end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + PAGE_SIZE; in diag_release_pages()
27 vcpu->stat.instruction_diagnose_10++; in diag_release_pages()
40 gmap_discard(vcpu->arch.gmap, start, end); in diag_release_pages()
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| /openbmc/linux/fs/ntfs3/ |
| H A D | ntfs_fs.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved.
8 // clang-format off
19 #include <linux/page-flags.h>
42 #define MINUS_ONE_T ((size_t)(-1))
54 /* NTFS specific error code about resident->nonresident. */
58 /* NTFS specific error code when on-disk struct is corrupted. */
62 /* sbi->flags */
73 /* ni->ni_flags */
76 * 1 - WOF_COMPRESSION_XPRESS4K
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| /openbmc/linux/Documentation/devicetree/bindings/pci/ |
| H A D | snps,dw-pcie.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pci/snps,dw-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jingoo Han <jingoohan1@gmail.com>
11 - Gustavo Pimentel <gustavo.pimentel@synopsys.com>
16 # Please create a separate DT-schema for your DWC PCIe Root Port controller
17 # and make sure it's assigned with the vendor-specific compatible string.
21 const: snps,dw-pcie
23 - compatible
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| /openbmc/linux/drivers/mtd/nand/raw/ |
| H A D | xway_nand.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright © 2016 Hauke Mehrtens <hauke@hauke-m.de>
30 * the ALE pin will be activated.
77 return readb(data->nandaddr + op); in xway_readb()
85 writeb(value, data->nandaddr + op); in xway_writeb()
93 case -1: in xway_select_chip()
96 spin_unlock_irqrestore(&ebu_lock, data->csflags); in xway_select_chip()
99 spin_lock_irqsave(&ebu_lock, data->csflags); in xway_select_chip()
152 if (chip->ecc.engine_type == NAND_ECC_ENGINE_TYPE_SOFT && in xway_attach_chip()
153 chip->ecc.algo == NAND_ECC_ALGO_UNKNOWN) in xway_attach_chip()
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| /openbmc/linux/mm/damon/ |
| H A D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Author: SeongJae Park <sjpark@amazon.de>
45 * damon_is_registered_ops() - Check if a given damon_operations is registered.
63 * damon_register_ops() - Register a monitoring operations set to DAMON.
67 * damon_operations->id so that others can find and use them later.
75 if (ops->id >= NR_DAMON_OPS) in damon_register_ops()
76 return -EINVAL; in damon_register_ops()
79 if (__damon_is_registered_ops(ops->id)) { in damon_register_ops()
80 err = -EINVAL; in damon_register_ops()
83 damon_registered_ops[ops->id] = *ops; in damon_register_ops()
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| /openbmc/linux/Documentation/admin-guide/mm/damon/ |
| H A D | lru_sort.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based LRU-lists Sorting
7 DAMON-based LRU-lists Sorting (DAMON_LRU_SORT) is a static kernel module that
9 (de)prioritization of pages on their LRU-lists for making LRU-lists a more
12 Where Proactive LRU-lists Sorting is Required?
15 As page-granularity access checking overhead could be significant on huge
23 Because DAMON can identify access patterns of best-effort accuracy while
24 inducing only user-specified range of overhead, proactively running
32 rates that higher than a user-specified threshold) and cold pages (pages of
34 user-specified threshold) using DAMON, and prioritizes hot pages while
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