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/openbmc/linux/drivers/misc/eeprom/
H A Deeprom_93cx6.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2004 - 2006 rt2x00 SourceForge Project
7 * Abstract: EEPROM reader routines for 93cx6 chipsets.
18 MODULE_DESCRIPTION("EEPROM 93cx6 chip driver");
21 static inline void eeprom_93cx6_pulse_high(struct eeprom_93cx6 *eeprom) in eeprom_93cx6_pulse_high() argument
23 eeprom->reg_data_clock = 1; in eeprom_93cx6_pulse_high()
24 eeprom->register_write(eeprom); in eeprom_93cx6_pulse_high()
34 static inline void eeprom_93cx6_pulse_low(struct eeprom_93cx6 *eeprom) in eeprom_93cx6_pulse_low() argument
36 eeprom->reg_data_clock = 0; in eeprom_93cx6_pulse_low()
37 eeprom->register_write(eeprom); in eeprom_93cx6_pulse_low()
[all …]
H A Didt_89hpesx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2016 T-Platforms. All Rights Reserved.
5 * IDT PCIe-switch NTB Linux driver
8 * Serge Semin <fancer.lancer@gmail.com>, <Sergey.Semin@t-platforms.ru>
11 * NOTE of the IDT 89HPESx SMBus-slave interface driver
12 * This driver primarily is developed to have an access to EEPROM device of
13 * IDT PCIe-switches. IDT provides a simple SMBus interface to perform IO-
14 * operations from/to EEPROM, which is located at private (so called Master)
16 * binary sysfs-file in the device directory:
17 * /sys/bus/i2c/devices/<bus>-<devaddr>/eeprom
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H A Dmax6875.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * max6875.c - driver for MAX6874/MAX6875
7 * Based on eeprom.c
9 * The MAX6875 has a bank of registers and two banks of EEPROM.
11 * * 0x0000 - 0x0046 = configuration registers
12 * * 0x8000 - 0x8046 = configuration EEPROM
13 * * 0x8100 - 0x82FF = user EEPROM
15 * This driver makes the user EEPROM available for read.
17 * The registers & config EEPROM should be accessed via i2c-dev.
20 * two addresses - 0x50/0x51 and 0x52/0x53.
[all …]
H A Deeprom.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
23 /* Size of EEPROM in bytes */
26 /* possible types of eeprom devices */
32 /* Each client has this additional data */
37 u8 data[EEPROM_SIZE]; /* Register values */ member
44 struct eeprom_data *data = i2c_get_clientdata(client); in eeprom_update_client() local
47 mutex_lock(&data->update_lock); in eeprom_update_client()
49 if (!(data->valid & (1 << slice)) || in eeprom_update_client()
50 time_after(jiffies, data->last_updated[slice] + 300 * HZ)) { in eeprom_update_client()
[all …]
/openbmc/linux/drivers/nvmem/
H A Drave-sp-eeprom.c1 // SPDX-License-Identifier: GPL-2.0+
4 * EEPROM driver for RAVE SP
10 #include <linux/mfd/rave-sp.h>
12 #include <linux/nvmem-provider.h>
18 * enum rave_sp_eeprom_access_type - Supported types of EEPROM access
20 * @RAVE_SP_EEPROM_WRITE: EEPROM write
21 * @RAVE_SP_EEPROM_READ: EEPROM read
29 * enum rave_sp_eeprom_header_size - EEPROM command header sizes
31 * @RAVE_SP_EEPROM_HEADER_SMALL: EEPROM header size for "small" devices (< 8K)
32 * @RAVE_SP_EEPROM_HEADER_BIG: EEPROM header size for "big" devices (> 8K)
[all …]
/openbmc/qemu/hw/nvram/
H A Deeprom93xx.c2 * QEMU EEPROM 93xx emulation
4 * Copyright (c) 2006-2007 Stefan Weil
21 * NMC93C06 256-Bit (16 x 16)
22 * NMC93C46 1024-Bit (64 x 16)
28 * eeprom93xx_new - add a new EEPROM (with 16, 64 or 256 words)
29 * eeprom93xx_free - destroy EEPROM
30 * eeprom93xx_read - read data from the EEPROM
31 * eeprom93xx_write - write data to the EEPROM
32 * eeprom93xx_data - get EEPROM data array for external manipulation
35 * - No emulation of EEPROM timings.
[all …]
/openbmc/linux/include/linux/
H A Deeprom_93cx6.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2006 rt2x00 SourceForge Project
10 Abstract: EEPROM reader datastructures for 93cx6 chipsets.
17 * EEPROM operation defines.
31 * struct eeprom_93cx6 - control structure for setting the commands
32 * for reading the eeprom data.
33 * @data: private pointer for the driver.
34 * @register_read(struct eeprom_93cx6 *eeprom): handler to
35 * read the eeprom register, this function should set all reg_* fields.
36 * @register_write(struct eeprom_93cx6 *eeprom): handler to
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/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7996/
H A Deeprom.c1 // SPDX-License-Identifier: ISC
8 #include "eeprom.h"
12 u8 *eeprom = dev->mt76.eeprom.data; in mt7996_check_eeprom() local
13 u16 val = get_unaligned_le16(eeprom); in mt7996_check_eeprom()
19 return -EINVAL; in mt7996_check_eeprom()
32 u8 *eeprom = dev->mt76.eeprom.data; in mt7996_eeprom_load_default() local
36 ret = request_firmware(&fw, mt7996_eeprom_name(dev), dev->mt76.dev); in mt7996_eeprom_load_default()
40 if (!fw || !fw->data) { in mt7996_eeprom_load_default()
41 dev_err(dev->mt76.dev, "Invalid default bin\n"); in mt7996_eeprom_load_default()
42 ret = -EINVAL; in mt7996_eeprom_load_default()
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/openbmc/linux/drivers/net/ethernet/intel/e1000e/
H A Dnvm.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
7 * e1000_raise_eec_clk - Raise EEPROM clock
9 * @eecd: pointer to the EEPROM
11 * Enable/Raise the EEPROM clock bit.
18 udelay(hw->nvm.delay_usec); in e1000_raise_eec_clk()
22 * e1000_lower_eec_clk - Lower EEPROM clock
24 * @eecd: pointer to the EEPROM
26 * Clear/Lower the EEPROM clock bit.
33 udelay(hw->nvm.delay_usec); in e1000_lower_eec_clk()
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/openbmc/linux/drivers/net/wireless/intel/iwlwifi/
H A Diwl-eeprom-parse.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (C) 2005-2014, 2018-2020 Intel Corporation
9 #include "iwl-drv.h"
10 #include "iwl-modparams.h"
11 #include "iwl-eeprom-parse.h"
14 /* EEPROM offset definitions */
29 /* corresponding link offsets in EEPROM */
65 /* SKU Capabilities (actual values from EEPROM definition) */
74 /* radio config bits (actual values from EEPROM definition) */
75 #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */
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/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7915/
H A Deeprom.c1 // SPDX-License-Identifier: ISC
7 #include "eeprom.h"
15 struct mt76_dev *mdev = &dev->mt76; in mt7915_eeprom_load_precal()
16 u8 *eeprom = mdev->eeprom.data; in mt7915_eeprom_load_precal() local
17 u32 val = eeprom[MT_EE_DO_PRE_CAL]; in mt7915_eeprom_load_precal()
20 if (!dev->flash_mode) in mt7915_eeprom_load_precal()
27 dev->cal = devm_kzalloc(mdev->dev, val, GFP_KERNEL); in mt7915_eeprom_load_precal()
28 if (!dev->cal) in mt7915_eeprom_load_precal()
29 return -ENOMEM; in mt7915_eeprom_load_precal()
31 offs = is_mt7915(&dev->mt76) ? MT_EE_PRECAL : MT_EE_PRECAL_V2; in mt7915_eeprom_load_precal()
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/openbmc/linux/drivers/net/ethernet/intel/igb/
H A De1000_nvm.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
11 * igb_raise_eec_clk - Raise EEPROM clock
13 * @eecd: pointer to the EEPROM
15 * Enable/Raise the EEPROM clock bit.
22 udelay(hw->nvm.delay_usec); in igb_raise_eec_clk()
26 * igb_lower_eec_clk - Lower EEPROM clock
28 * @eecd: pointer to the EEPROM
30 * Clear/Lower the EEPROM clock bit.
37 udelay(hw->nvm.delay_usec); in igb_lower_eec_clk()
[all …]
/openbmc/qemu/hw/i2c/
H A Dsmbus_eeprom.c2 * QEMU SMBus EEPROM device
31 #include "hw/qdev-properties.h"
38 #define TYPE_SMBUS_EEPROM "smbus-eeprom"
46 uint8_t data[SMBUS_EEPROM_SIZE]; member
54 SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev); in eeprom_receive_byte() local
55 uint8_t *data = eeprom->data; in eeprom_receive_byte() local
56 uint8_t val = data[eeprom->offset++]; in eeprom_receive_byte()
58 eeprom->accessed = true; in eeprom_receive_byte()
61 dev->i2c.address, val); in eeprom_receive_byte()
68 SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev); in eeprom_write_data() local
[all …]
/openbmc/u-boot/board/ti/common/
H A Dboard_detect.h1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Library to support early TI EVM EEPROM handling
5 * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com
11 /* TI EEPROM MAGIC Header identifier */
23 * struct ti_am_eeprom - This structure holds data read in from the
30 * @mac_addr: Any MAC addresses written in the EEPROM
32 * The data is this structure is read from the EEPROM on the board.
35 * TI boards with a single MLO and u-boot.
46 /* DRA7 EEPROM MAGIC Header identifier */
52 * struct dra7_eeprom - This structure holds data read in from the DRA7 EVM
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/openbmc/linux/drivers/net/wireless/mediatek/mt7601u/
H A Deeprom.c1 // SPDX-License-Identifier: GPL-2.0-only
13 #include "eeprom.h"
32 mt7601u_efuse_read(struct mt7601u_dev *dev, u16 addr, u8 *data, in mt7601u_efuse_read() argument
47 return -ETIMEDOUT; in mt7601u_efuse_read()
51 /* Parts of eeprom not in the usage map (0x80-0xc0,0xf0) in mt7601u_efuse_read()
52 * will not return valid data but it's ok. in mt7601u_efuse_read()
54 memset(data, 0xff, 16); in mt7601u_efuse_read()
60 put_unaligned_le32(val, data + 4 * i); in mt7601u_efuse_read()
70 u8 data[round_up(MT_EFUSE_USAGE_MAP_SIZE, 16)]; in mt7601u_efuse_physical_size_check() local
76 data + i * 16, MT_EE_PHYSICAL_READ); in mt7601u_efuse_physical_size_check()
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/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7603/
H A Deeprom.c1 // SPDX-License-Identifier: ISC
5 #include "eeprom.h"
8 mt7603_efuse_read(struct mt7603_dev *dev, u32 base, u16 addr, u8 *data) in mt7603_efuse_read() argument
21 return -ETIMEDOUT; in mt7603_efuse_read()
28 memset(data, 0xff, 16); in mt7603_efuse_read()
34 put_unaligned_le32(val, data + 4 * i); in mt7603_efuse_read()
51 dev->mt76.otp.data = devm_kzalloc(dev->mt76.dev, len, GFP_KERNEL); in mt7603_efuse_init()
52 dev->mt76.otp.size = len; in mt7603_efuse_init()
53 if (!dev->mt76.otp.data) in mt7603_efuse_init()
54 return -ENOMEM; in mt7603_efuse_init()
[all …]
/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7615/
H A Deeprom.c1 // SPDX-License-Identifier: ISC
10 #include "eeprom.h"
13 u16 addr, u8 *data) in mt7615_efuse_read() argument
25 return -ETIMEDOUT; in mt7615_efuse_read()
32 memset(data, 0x0, 16); in mt7615_efuse_read()
38 put_unaligned_le32(val, data + 4 * i); in mt7615_efuse_read()
50 if (is_mt7663(&dev->mt76)) in mt7615_efuse_init()
57 dev->mt76.otp.data = devm_kzalloc(dev->mt76.dev, len, GFP_KERNEL); in mt7615_efuse_init()
58 dev->mt76.otp.size = len; in mt7615_efuse_init()
59 if (!dev->mt76.otp.data) in mt7615_efuse_init()
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/openbmc/u-boot/drivers/net/
H A De1000_spi.c6 /*-----------------------------------------------------------------------
15 * input data overwrites the output data (since both are buffered by
18 * This may be interrupted with Ctrl-C if "intr" is true, otherwise it will
31 /* Pre-read the control register */ in e1000_spi_xfer()
38 return -1; in e1000_spi_xfer()
69 din[i >> 3] &= ~((mask << 1) - 1); in e1000_spi_xfer()
91 if (hw->eeprom.type != e1000_eeprom_spi) { in spi_setup_slave()
92 E1000_ERR(hw, "No attached SPI EEPROM found!\n"); in spi_setup_slave()
102 E1000_ERR(hw, "Only SPI MODE-0 is supported!\n"); in spi_setup_slave()
107 E1000_DBG(hw->nic, "EEPROM SPI access requested\n"); in spi_setup_slave()
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/openbmc/entity-manager/docs/
H A Daddress_size_detection_modes.md1 # EEPROM address size detection modes
4 address byte(s) needed for a given EEPROM device.
6 ## MODE-1
8 The existing upstream function isDevice16Bit() bases on sending 1-byte write
9 operation (with a STOP condition) and 8 subsequent 1-byte read operations with
12 ### This MODE-1 expects the following logic
14 - If the device requires 1 address byte, it EXPECTS that the data will be read
16 - If the device requires 2 address bytes, it EXPECTS that the data will be read
20 ### Issue and potential issue with this MODE-1
22 - If any "2 address bytes" EEPROM from any vendor has the same data in all
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/openbmc/linux/drivers/net/usb/
H A Dasix_common.c1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
7 * Copyright (c) 2002-2003 TiVo Inc.
15 u16 size, void *data, int in_pm) in asix_read_cmd() argument
28 value, index, data, size); in asix_read_cmd()
31 ret = ret < 0 ? ret : -ENODAT in asix_read_cmd()
41 asix_write_cmd(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,void * data,int in_pm) asix_write_cmd() argument
64 asix_write_cmd_async(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,void * data) asix_write_cmd_async() argument
461 struct asix_data *data = (struct asix_data *)&dev->data; asix_set_multicast() local
635 asix_get_eeprom(struct net_device * net,struct ethtool_eeprom * eeprom,u8 * data) asix_get_eeprom() argument
636 asix_get_eeprom(struct net_device * net,struct ethtool_eeprom * eeprom,u8 * data) asix_get_eeprom() argument
670 asix_set_eeprom(struct net_device * net,struct ethtool_eeprom * eeprom,u8 * data) asix_set_eeprom() argument
671 asix_set_eeprom(struct net_device * net,struct ethtool_eeprom * eeprom,u8 * data) asix_set_eeprom() argument
762 struct asix_data *data = (struct asix_data *)&dev->data; asix_set_mac_address() local
[all...]
/openbmc/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_common.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
18 static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
28 u16 words, u16 *data);
30 u16 words, u16 *data);
41 * ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow
55 switch (hw->phy.media_type) { in ixgbe_device_supports_autoneg_fc()
58 switch (hw->device_id) { in ixgbe_device_supports_autoneg_fc()
64 hw->mac.ops.check_link(hw, &speed, &link_up, false); in ixgbe_device_supports_autoneg_fc()
74 if (hw->device_id == IXGBE_DEV_ID_X550EM_X_XFI) in ixgbe_device_supports_autoneg_fc()
[all …]
H A Dixgbe_x540.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
31 struct ixgbe_mac_info *mac = &hw->mac; in ixgbe_get_invariants_X540()
32 struct ixgbe_phy_info *phy = &hw->phy; in ixgbe_get_invariants_X540()
35 phy->ops.set_phy_power = ixgbe_set_copper_phy_power; in ixgbe_get_invariants_X540()
37 mac->mcft_size = IXGBE_X540_MC_TBL_SIZE; in ixgbe_get_invariants_X540()
38 mac->vft_size = IXGBE_X540_VFT_TBL_SIZE; in ixgbe_get_invariants_X540()
39 mac->num_rar_entries = IXGBE_X540_RAR_ENTRIES; in ixgbe_get_invariants_X540()
40 mac->rx_pb_size = IXGBE_X540_RX_PB_SIZE; in ixgbe_get_invariants_X540()
41 mac->max_rx_queues = IXGBE_X540_MAX_RX_QUEUES; in ixgbe_get_invariants_X540()
[all …]
/openbmc/linux/drivers/net/ethernet/wangxun/txgbe/
H A Dtxgbe_hw.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
17 * txgbe_disable_sec_tx_path - Stops the transmit data path
20 * Stops the transmit data path and waits for the HW to internally empty
33 * txgbe_enable_sec_tx_path - Enables the transmit data path
36 * Enables the transmit data path.
45 * txgbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds
53 struct wx_thermal_sensor_data *data = &wx->mac.sensor; in txgbe_init_thermal_sensor_thresh() local
55 memset(data, 0, sizeof(struct wx_thermal_sensor_data)); in txgbe_init_thermal_sensor_thresh()
58 if (wx->bus.func) in txgbe_init_thermal_sensor_thresh()
[all …]
/openbmc/u-boot/board/samtec/vining_fpga/
H A Dsocfpga.c1 // SPDX-License-Identifier: GPL-2.0+
7 #include <eeprom.h>
29 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; in board_late_init()
51 uchar data[128]; in misc_init_r() local
56 /* EEPROM is at bus 0. */ in misc_init_r()
59 puts("Cannot select EEPROM I2C bus.\n"); in misc_init_r()
63 /* EEPROM is at address 0x50. */ in misc_init_r()
64 ret = eeprom_read(0x50, 0, data, sizeof(data)); in misc_init_r()
66 puts("Cannot read I2C EEPROM.\n"); in misc_init_r()
70 /* Check EEPROM signature. */ in misc_init_r()
[all …]
/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt76x2/
H A Deeprom.c1 // SPDX-License-Identifier: ISC
10 #include "eeprom.h"
17 void *src = dev->mt76.eeprom.data + MT_EE_MAC_ADDR; in mt76x2_eeprom_get_macaddr()
19 memcpy(dev->mphy.macaddr, src, ETH_ALEN); in mt76x2_eeprom_get_macaddr()
80 struct device_node *np = dev->mt76.dev->of_node; in mt76x2_apply_cal_free_data()
81 u8 *eeprom = dev->mt76.eeprom.data; in mt76x2_apply_cal_free_data() local
83 eeprom[MT_EE_TX_POWER_0_START_5G], in mt76x2_apply_cal_free_data()
84 eeprom[MT_EE_TX_POWER_0_START_5G + 1], in mt76x2_apply_cal_free_data()
85 eeprom[MT_EE_TX_POWER_1_START_5G], in mt76x2_apply_cal_free_data()
86 eeprom[MT_EE_TX_POWER_1_START_5G + 1] in mt76x2_apply_cal_free_data()
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