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* generic: routerboot sysfs: add support for soft_configThibaut VARÈNE2020-05-281-0/+1
| | | | | | | | | | | | | | | | | | | This driver exposes the data encoded in the "soft_config" flash segment of MikroTik RouterBOARDs devices. It presents the data in a sysfs folder named "soft_config" through a set of human-and-machine-parseable attributes. Changes can be discarded by writing 0 to the 'commit' attribute, or they can be committed to flash storage by writing 1. This driver does not reuse any of the existing code previously found in the "rbcfg" utility and makes this utility obsolete by providing a clean sysfs interface. Like "rbcfg", this driver requires 4K_SECTORS support since the flash partition in which these parameters are stored is typically 4KB in size. Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Tested-by: Roger Pueyo Centelles <roger.pueyo@guifi.net> Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
* generic: platform/mikrotik: reorder KconfigThibaut VARÈNE2020-05-281-2/+2
| | | | | | | | | The depends and select should apply to the sysfs driver, not the meta config. Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Tested-by: Roger Pueyo Centelles <roger.pueyo@guifi.net> Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
* generic: routerboot sysfs platform driverThibaut VARÈNE2020-05-081-0/+18
This driver exposes the data encoded in the "hard_config" flash segment of MikroTik RouterBOARDs devices. It presents the data in a sysfs folder named "hard_config". The WLAN calibration data is available on demand via the 'wlan_data' sysfs file in that folder. This driver permanently allocates a chunk of RAM as large as the "hard_config" MTD partition (typically 4KB), although it is technically possible to operate entirely from the MTD device without using a local buffer (except when requesting WLAN calibration data), at the cost of a performance penalty. This driver does not reuse any of the existing code previously found in routerboot.c. This driver has been successfully tested on BE (ath79) and LE (ipq40xx and ramips) hardware. Tested-by: Roger Pueyo Centelles <roger.pueyo@guifi.net> Tested-by: Baptiste Jonglez <git@bitsofnetworks.org> Tested-by: Tobias Schramm <t.schramm@manjaro.org> Tested-by: Christopher Hill <ch6574@gmail.com> Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>