1*ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2f6e734a8SRafał Miłeckiconfig BCM47XX_NVRAM 3f6e734a8SRafał Miłecki bool "Broadcom NVRAM driver" 4f6e734a8SRafał Miłecki depends on BCM47XX || ARCH_BCM_5301X 5f6e734a8SRafał Miłecki help 6f6e734a8SRafał Miłecki Broadcom home routers contain flash partition called "nvram" with all 7f6e734a8SRafał Miłecki important hardware configuration as well as some minor user setup. 8f6e734a8SRafał Miłecki NVRAM partition contains a text-like data representing name=value 9f6e734a8SRafał Miłecki pairs. 10f6e734a8SRafał Miłecki This driver provides an easy way to get value of requested parameter. 11f6e734a8SRafał Miłecki It simply reads content of NVRAM and parses it. It doesn't control any 12f6e734a8SRafał Miłecki hardware part itself. 132ab71a02SRafał Miłecki 142ab71a02SRafał Miłeckiconfig BCM47XX_SPROM 152ab71a02SRafał Miłecki bool "Broadcom SPROM driver" 162ab71a02SRafał Miłecki depends on BCM47XX_NVRAM 174d73b73fSAndy Shevchenko select GENERIC_NET_UTILS 182ab71a02SRafał Miłecki help 192ab71a02SRafał Miłecki Broadcom devices store configuration data in SPROM. Accessing it is 202ab71a02SRafał Miłecki specific to the bus host type, e.g. PCI(e) devices have it mapped in 212ab71a02SRafał Miłecki a PCI BAR. 222ab71a02SRafał Miłecki In case of SoC devices SPROM content is stored on a flash used by 232ab71a02SRafał Miłecki bootloader firmware CFE. This driver provides method to ssb and bcma 242ab71a02SRafał Miłecki drivers to read SPROM on SoC. 25