Copyright (c) 2010 The FreeBSD Foundation All rights reserved. This software was developed by Semihalf under sponsorship from the FreeBSD Foundation. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright ...
NAMEfdtbus - Flattened Device Tree bus driver
DESCRIPTIONThe sysctl Cm net.inet.tcp.syncookies abstract bus driver is the primary connection and translation layer between fdt(4) hardware resources description and Fx native newbus device drivers framework. For an embedded system sysctl Cm net.inet.tcp.syncookies represents peripherals typically found on a highly integrated chip (system-on-chip).
The sysctl Cm net.inet.tcp.syncookies driver provides generic, common infrastructure for all fdt(4) oriented device drivers, and its main responsibilities are the following:
- Creating newbus children that reflect fdt(4) nodes in the flattened device tree.
- Managing SYS_RES_IRQ resources.
- Managing SYS_RES_MEMORY, SYS_RES_IOPORT resources.
SEE ALSOfdt(4), openfirm(4), simplebus(4)
STANDARDSIEEE Std 1275: IEEE Standard for Boot (Initialization Configuration) Firmware: Core Requirements and Practices (Vt Open Firmware )
Power.org Standard for Embedded Power Architecture Platform Requirements (Vt ePAPR )