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/openbmc/linux/drivers/misc/eeprom/
H A Deeprom_93cx6.c7 * 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()
47 static void eeprom_93cx6_startup(struct eeprom_93cx6 *eeprom) in eeprom_93cx6_startup() argument
52 eeprom->register_read(eeprom); in eeprom_93cx6_startup()
[all …]
H A DKconfig2 menu "EEPROM support"
43 after you configure the board init code to know about each eeprom
50 tristate "Old I2C EEPROM reader (DEPRECATED)"
53 If you say yes here you get read-only access to the EEPROM data
61 will be called eeprom.
67 If you say yes here you get read-only support for the user EEPROM of
68 the Maxim MAX6874/5 EEPROM-programmable, quad power-supply
78 tristate "EEPROM 93CX6 support"
80 This is a driver for the EEPROM chipsets 93c46 and 93c66.
86 tristate "Microwire EEPROM 93XX46 support"
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/openbmc/linux/drivers/nvmem/
H A Dlpc18xx_eeprom.c3 * NXP LPC18xx/LPC43xx EEPROM memory NVMEM driver
38 /* EEPROM device requires a ~1500 kHz clock (min 800 kHz, max 1600 kHz) */
41 /* EEPROM requires 3 ms of erase/program time between each writing */
54 static inline void lpc18xx_eeprom_writel(struct lpc18xx_eeprom_dev *eeprom, in lpc18xx_eeprom_writel() argument
57 writel(val, eeprom->reg_base + reg); in lpc18xx_eeprom_writel()
60 static inline u32 lpc18xx_eeprom_readl(struct lpc18xx_eeprom_dev *eeprom, in lpc18xx_eeprom_readl() argument
63 return readl(eeprom->reg_base + reg); in lpc18xx_eeprom_readl()
66 static int lpc18xx_eeprom_busywait_until_prog(struct lpc18xx_eeprom_dev *eeprom) in lpc18xx_eeprom_busywait_until_prog() argument
71 /* Wait until EEPROM program operation has finished */ in lpc18xx_eeprom_busywait_until_prog()
75 val = lpc18xx_eeprom_readl(eeprom, LPC18XX_EEPROM_INTSTAT); in lpc18xx_eeprom_busywait_until_prog()
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H A Drave-sp-eeprom.c4 * EEPROM driver for RAVE SP
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)
43 * struct rave_sp_eeprom_page - RAVE SP EEPROM page
59 * struct rave_sp_eeprom - RAVE SP EEPROM device
62 * @mutex: Lock protecting access to EEPROM
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/openbmc/u-boot/board/corscience/tricorder/
H A Dtricorder-eeprom.c10 #include "tricorder-eeprom.h"
15 printf("Expected EEPROM %s %08x, got %08x\n", msg, a, b); in warn_wrong_value()
18 static int handle_eeprom_v0(struct tricorder_eeprom *eeprom) in handle_eeprom_v0() argument
31 printf("Old EEPROM (v0), consider rewrite!\n"); in handle_eeprom_v0()
33 if (be16_to_cpu(eeprom->length) != sizeof(eepromv0)) { in handle_eeprom_v0()
35 be16_to_cpu(eeprom->length)); in handle_eeprom_v0()
39 memcpy(&eepromv0, eeprom, sizeof(eepromv0)); in handle_eeprom_v0()
50 memset(eeprom->interface_version, 0x0, in handle_eeprom_v0()
52 crc = crc32(0L, (unsigned char *)eeprom, TRICORDER_EEPROM_CRC_SIZE); in handle_eeprom_v0()
53 eeprom->crc32 = cpu_to_be32(crc); in handle_eeprom_v0()
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H A Dtricorder.c21 #include "tricorder-eeprom.h"
39 * get_eeprom - read the eeprom
41 * @eeprom - pointer to a eeprom struct to fill
43 * This function will panic() on wrong EEPROM content
45 static void get_eeprom(struct tricorder_eeprom *eeprom) in get_eeprom() argument
49 if (!eeprom) in get_eeprom()
50 panic("No eeprom given!\n"); in get_eeprom()
67 /* BMS is _not_ set, do the EEPROM check */ in get_eeprom()
68 ret = tricorder_get_eeprom(0x51, eeprom); in get_eeprom()
70 if (strncmp(eeprom->board_name, "CS10411", 7) != 0) in get_eeprom()
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/openbmc/qemu/hw/nvram/
H A Deeprom93xx.c2 * QEMU EEPROM 93xx emulation
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.
43 /* Debug EEPROM emulation. */
47 #define logout(fmt, ...) fprintf(stderr, "EEPROM\t%-24s" fmt, __func__, ## __VA_ARGS__)
92 /* Code for saving and restoring of EEPROM state. */
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/openbmc/linux/drivers/i2c/
H A Di2c-slave-eeprom.c3 * I2C slave mode EEPROM simulator
9 * this driver does not support simulating EEPROM types which take more than
48 struct eeprom_data *eeprom = i2c_get_clientdata(client); in i2c_slave_eeprom_slave_cb() local
52 if (eeprom->idx_write_cnt < eeprom->num_address_bytes) { in i2c_slave_eeprom_slave_cb()
53 if (eeprom->idx_write_cnt == 0) in i2c_slave_eeprom_slave_cb()
54 eeprom->buffer_idx = 0; in i2c_slave_eeprom_slave_cb()
55 eeprom->buffer_idx = *val | (eeprom->buffer_idx << 8); in i2c_slave_eeprom_slave_cb()
56 eeprom->idx_write_cnt++; in i2c_slave_eeprom_slave_cb()
58 if (!eeprom->read_only) { in i2c_slave_eeprom_slave_cb()
59 spin_lock(&eeprom->buffer_lock); in i2c_slave_eeprom_slave_cb()
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/openbmc/linux/drivers/net/wireless/mediatek/mt7601u/
H A Deeprom.c13 #include "eeprom.h"
51 /* Parts of eeprom not in the usage map (0x80-0xc0,0xf0) in mt7601u_efuse_read()
90 …dev_err(dev->dev, "Error: your device needs default EEPROM file and this driver doesn't support it… in mt7601u_efuse_physical_size_check()
98 mt7601u_has_tssi(struct mt7601u_dev *dev, u8 *eeprom) in mt7601u_has_tssi() argument
100 u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1); in mt7601u_has_tssi()
106 mt7601u_set_chip_cap(struct mt7601u_dev *dev, u8 *eeprom) in mt7601u_set_chip_cap() argument
108 u16 nic_conf0 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_0); in mt7601u_set_chip_cap()
109 u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1); in mt7601u_set_chip_cap()
114 dev->ee->tssi_enabled = mt7601u_has_tssi(dev, eeprom) && in mt7601u_set_chip_cap()
131 u8 *eeprom, u8 max_pwr) in mt7601u_set_channel_target_power() argument
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/openbmc/linux/drivers/media/usb/pvrusb2/
H A Dpvrusb2-eeprom.c9 #include "pvrusb2-eeprom.h"
19 Read and analyze data in the eeprom. Use tveeprom to figure out
27 /* We seem to only be interested in the last 128 bytes of the EEPROM */
30 /* Grab EEPROM contents, needed for direct method. */
34 u8 *eeprom; in pvr2_eeprom_fetch() local
42 eeprom = kzalloc(EEPROM_SIZE, GFP_KERNEL); in pvr2_eeprom_fetch()
43 if (!eeprom) { in pvr2_eeprom_fetch()
45 "Failed to allocate memory required to read eeprom"); in pvr2_eeprom_fetch()
49 trace_eeprom("Value for eeprom addr from controller was 0x%x", in pvr2_eeprom_fetch()
52 /* Seems that if the high bit is set, then the *real* eeprom in pvr2_eeprom_fetch()
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/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7996/
H A Deeprom.c8 #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()
32 u8 *eeprom = dev->mt76.eeprom.data; in mt7996_eeprom_load_default() local
46 memcpy(eeprom, fw->data, MT7996_EEPROM_SIZE); in mt7996_eeprom_load_default()
78 /* read eeprom data from efuse */ in mt7996_eeprom_load()
114 u8 *eeprom = phy->dev->mt76.eeprom.data; in mt7996_eeprom_parse_band_config() local
115 u32 val = eeprom[MT_EE_WIFI_CONF]; in mt7996_eeprom_parse_band_config()
123 val = eeprom[MT_EE_WIFI_CONF + 1]; in mt7996_eeprom_parse_band_config()
152 u8 *eeprom = dev->mt76.eeprom.data; in mt7996_eeprom_parse_hw_cap() local
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/openbmc/linux/include/linux/
H A Deeprom_93cx6.h10 Abstract: EEPROM reader datastructures for 93cx6 chipsets.
17 * EEPROM operation defines.
32 * for reading the eeprom data.
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
37 * write to the eeprom register by using all reg_* fields.
38 * @width: eeprom width, should be one of the PCI_EEPROM_WIDTH_* defines
39 * @quirks: eeprom or controller quirks
47 * and the eeprom_93cx6 handlers for reading the eeprom.
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/openbmc/linux/drivers/net/wireless/mediatek/mt76/mt7915/
H A Deeprom.c6 #include "eeprom.h"
11 u8 *eeprom = mdev->eeprom.data; in mt7915_eeprom_load_precal() local
12 u32 val = eeprom[MT_EE_DO_PRE_CAL]; in mt7915_eeprom_load_precal()
33 u8 *eeprom = dev->mt76.eeprom.data; in mt7915_check_eeprom() local
34 u16 val = get_unaligned_le16(eeprom); in mt7915_check_eeprom()
84 u8 *eeprom = dev->mt76.eeprom.data; in mt7915_eeprom_load_default() local
98 memcpy(eeprom, fw->data, mt7915_eeprom_size(dev)); in mt7915_eeprom_load_default()
131 /* read eeprom data from efuse */ in mt7915_eeprom_load()
146 u8 *eeprom = dev->mt76.eeprom.data; in mt7915_eeprom_parse_band_config() local
150 val = eeprom[MT_EE_WIFI_CONF + band]; in mt7915_eeprom_parse_band_config()
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/openbmc/u-boot/board/ti/common/
H A Dboard_detect.h3 * Library to support early TI EVM EEPROM handling
11 /* TI EEPROM MAGIC Header identifier */
30 * @mac_addr: Any MAC addresses written in the EEPROM
32 * The data is this structure is read from the EEPROM on the board.
46 /* DRA7 EEPROM MAGIC Header identifier */
62 * The data is this structure is read from the EEPROM on the board.
78 * struct ti_common_eeprom - Null terminated, usable EEPROM contents.
103 * ti_i2c_eeprom_am_get() - Consolidated eeprom data collection for AM* TI EVMs
113 * ti_i2c_eeprom_dra7_get() - Consolidated eeprom data for DRA7 TI EVMs
121 * @name_tag: Tag used in eeprom for the board
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/openbmc/linux/drivers/net/ethernet/intel/e1000e/
H A Dnvm.c7 * e1000_raise_eec_clk - Raise EEPROM clock
9 * @eecd: pointer to the EEPROM
11 * Enable/Raise the EEPROM clock bit.
22 * e1000_lower_eec_clk - Lower EEPROM clock
24 * @eecd: pointer to the EEPROM
26 * Clear/Lower the EEPROM clock bit.
37 * e1000_shift_out_eec_bits - Shift data bits our to the EEPROM
39 * @data: data to send to the EEPROM
42 * We need to shift 'count' bits out to the EEPROM. So, the value in the
43 * "data" parameter will be shifted out to the EEPROM one bit at a time.
[all …]
/openbmc/linux/Documentation/devicetree/bindings/nvmem/
H A Dlpc1857-eeprom.txt1 * NXP LPC18xx EEPROM memory NVMEM driver
4 - compatible: Should be "nxp,lpc1857-eeprom"
8 - reg: EEPROM registers.
9 - mem: EEPROM address space.
12 - eeprom: EEPROM operating clock.
14 the EEPROM in reset.
15 - interrupts: Should contain EEPROM interrupt.
19 eeprom: eeprom@4000e000 {
20 compatible = "nxp,lpc1857-eeprom";
25 clock-names = "eeprom";
H A Dzii,rave-sp-eeprom.txt1 Zodiac Inflight Innovations RAVE EEPROM Bindings
3 RAVE SP EEPROM device is a "MFD cell" device exposing physical EEPROM
11 - compatible: Should be "zii,rave-sp-eeprom"
15 - zii,eeprom-name: Unique EEPROM identifier describing its function in the
29 eeprom@a4 {
30 compatible = "zii,rave-sp-eeprom";
34 zii,eeprom-name = "main-eeprom";
/openbmc/linux/drivers/net/ethernet/intel/igc/
H A Digc_nvm.c8 * igc_poll_eerd_eewr_done - Poll for EEPROM read/write completion
10 * @ee_reg: EEPROM flag for polling
12 * Polls the EEPROM status bit for either read or write completion based
39 * igc_acquire_nvm - Generic request for access to EEPROM
42 * Set the EEPROM access request bit and wait for EEPROM access grant bit.
44 * EEPROM access and return -IGC_ERR_NVM (-1).
74 * igc_release_nvm - Release exclusive access to EEPROM
77 * Stop any current commands to the EEPROM and clear the EEPROM request bit.
89 * igc_read_nvm_eerd - Reads EEPROM using EERD register
91 * @offset: offset of word in the EEPROM to read
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/openbmc/openbmc/meta-ampere/meta-mitchell/recipes-ampere/platform/ampere-utils/
H A Dampere_firmware_upgrade.sh3 # Helper script to flash FRU and Boot EEPROM devices.
9 # Syntax for EEPROM:
10 # ampere_firmware_upgrade.sh eeprom <image> [<dev>]
11 # dev: 1 for main Boot EEPROM (default), 2 for secondary Boot EEPROM (if supported)
51 # Switch EEPROM control to BMC AST2600 I2C
57 echo "Run update Primary EEPROM"
60 echo "Run update Failover EEPROM"
63 echo "Please choose Primary EEPROM (1) or Failover EEPROM (2)"
67 # The EEPROM (AT24C64WI) with address 0x50 at BMC_I2C11 bus
68 # Write Firmware to EEPROM and read back for validation
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/openbmc/linux/drivers/net/ethernet/intel/igb/
H A De1000_nvm.c11 * igb_raise_eec_clk - Raise EEPROM clock
13 * @eecd: pointer to the EEPROM
15 * Enable/Raise the EEPROM clock bit.
26 * igb_lower_eec_clk - Lower EEPROM clock
28 * @eecd: pointer to the EEPROM
30 * Clear/Lower the EEPROM clock bit.
41 * igb_shift_out_eec_bits - Shift data bits our to the EEPROM
43 * @data: data to send to the EEPROM
46 * We need to shift 'count' bits out to the EEPROM. So, the value in the
47 * "data" parameter will be shifted out to the EEPROM one bit at a time.
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/openbmc/linux/drivers/staging/vt6655/
H A Dsrom.c6 * Purpose:Implement functions to access eeprom
13 * SROMbyReadEmbedded - Embedded read eeprom via MAC
14 * SROMbWriteEmbedded - Embedded write eeprom via MAC
15 * SROMvRegBitsOn - Set Bits On in eeprom
16 * SROMvRegBitsOff - Clear Bits Off in eeprom
17 * SROMbIsRegBitsOn - Test if Bits On in eeprom
18 * SROMbIsRegBitsOff - Test if Bits Off in eeprom
19 * SROMvReadAllContents - Read all contents in eeprom
20 * SROMvWriteAllContents - Write all contents in eeprom
21 * SROMvReadEtherAddress - Read Ethernet Address in eeprom
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/openbmc/qemu/hw/i2c/
H A Dsmbus_eeprom.c2 * QEMU SMBus EEPROM device
38 #define TYPE_SMBUS_EEPROM "smbus-eeprom"
54 SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev); in eeprom_receive_byte() local
55 uint8_t *data = eeprom->data; in eeprom_receive_byte()
56 uint8_t val = data[eeprom->offset++]; in eeprom_receive_byte()
58 eeprom->accessed = true; in eeprom_receive_byte()
68 SMBusEEPROMDevice *eeprom = SMBUS_EEPROM(dev); in eeprom_write_data() local
69 uint8_t *data = eeprom->data; in eeprom_write_data()
71 eeprom->accessed = true; in eeprom_write_data()
77 eeprom->offset = buf[0]; in eeprom_write_data()
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/openbmc/linux/drivers/net/ethernet/intel/ixgbe/
H A Dixgbe_x540.c181 * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
184 * Initializes the EEPROM parameters ixgbe_eeprom_info within the
185 * ixgbe_hw struct in order to set up EEPROM access.
189 struct ixgbe_eeprom_info *eeprom = &hw->eeprom; in ixgbe_init_eeprom_params_X540() local
191 if (eeprom->type == ixgbe_eeprom_uninitialized) { in ixgbe_init_eeprom_params_X540()
195 eeprom->semaphore_delay = 10; in ixgbe_init_eeprom_params_X540()
196 eeprom->type = ixgbe_flash; in ixgbe_init_eeprom_params_X540()
200 eeprom->word_size = BIT(eeprom_size + in ixgbe_init_eeprom_params_X540()
203 hw_dbg(hw, "Eeprom params: type = %d, size = %d\n", in ixgbe_init_eeprom_params_X540()
204 eeprom->type, eeprom->word_size); in ixgbe_init_eeprom_params_X540()
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/openbmc/u-boot/drivers/net/
H A De1000_spi.c91 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()
107 E1000_DBG(hw->nic, "EEPROM SPI access requested\n"); in spi_setup_slave()
114 E1000_DBG(hw->nic, "EEPROM SPI access released\n"); in spi_free_slave()
122 E1000_ERR(hw, "EEPROM SPI cannot be acquired!\n"); in spi_claim_bus()
157 /* The EEPROM opcodes */
165 /* The EEPROM status bits */
178 * of the EEPROM commands at this time.
210 (off >> (hw->eeprom.address_bits - 8)) & 0xff, off & 0xff in e1000_spi_eeprom_write_page()
215 if (e1000_spi_xfer(hw, 8 + hw->eeprom.address_bits, op, NULL, intr)) in e1000_spi_eeprom_write_page()
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/openbmc/linux/drivers/net/wireless/intel/iwlwifi/
H A Diwl-eeprom-parse.c11 #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) */
84 * EEPROM bands
86 * that they are stored in the EEPROM band information. Note
87 * that EEPROM bands aren't the same as mac80211 bands, and
88 * there are even special "ht40 bands" in the EEPROM.
147 /* EEPROM reading functions */
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