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/linux/drivers/mtd/lpddr/
H A Dlpddr2_nvm.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * LPDDR2-NVM MTD driver. This module provides read, write, erase, lock/unlock
4 * support for LPDDR2-NVM PCM memories
54 /* LPDDR2-NVM Commands */
63 /* LPDDR2-NVM Registers offset */
72 * &bus_width: memory bus-width (eg: x16 2 Bytes, x32 4 Bytes)
92 * Build Mode Register Configuration DataMask based on device bus-width
105 * Build Status Register OK DataMask based on device bus-width
123 struct pcm_int_data *pcm_data = map->fldrv_priv; in ow_reg_add()
125 val = map->pfow_base + offset*pcm_data->bus_width; in ow_reg_add()
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/linux/Documentation/driver-api/
H A Dedac.rst5 ----------------------------------------
8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
43 It is typically the highest hierarchy on a Fully-Buffered DIMM memory
52 * Single-channel
55 only. E. g. if the data is 64 bits-wide, the data flows to the CPU using
57 memories. FB-DIMM and RAMBUS use a different concept for channel, so
60 * Double-channel
63 dimms, accessed at the same time. E. g. if the DIMM is 64 bits-wide (72
67 * Chip-select row
70 accessed. Common chip-select rows for single channel are 64 bits, for
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