d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
d141239c56
freebsd-nq/sys/dev/fdt/fdt_common.h

99 lines
3.3 KiB
C
Raw Normal View History

Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
/*-
sys/dev: further adoption of SPDX licensing ID tags. Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
2017-11-27 14:52:40 +00:00
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
* Copyright (c) 2009-2010 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
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _FDT_COMMON_H_
#define _FDT_COMMON_H_
Add hw.fdt sysctl node. Make FDT blob available via opaque hw.fdt.dtb sysctl, if a DTB has been installed by the time sysctls are registered. Reviewed by: andrew Approved by: sjg (mentor) Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D7411
2016-08-06 18:48:47 +00:00
#include <sys/sysctl.h>
Add a new geom class which allows to divide NAND Flash chip into partitions. Partitions are created based on data in dts file which are extracted and interpreted by slicer. Obtained from: Semihalf Supported by: FreeBSD Foundation, Juniper Networks
2012-05-22 08:33:14 +00:00
#include <sys/slicer.h>
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
#include <contrib/libfdt/libfdt_env.h>
#include <dev/ofw/ofw_bus.h>
Increase the number of fdt memory regions we support to 16. Some SoCs have many excluded regions causing a buffer overflow in the early boot code if this value is too small. Obtained from: ABT Systems Ltd Sponsored by: Turing Robotic Industries
2018-05-29 17:44:40 +00:00
#define FDT_MEM_REGIONS 16
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
Bump per-device interrupt limit to more reasonable default. Some hardware like DMA and GPIO controllers might require more then 8 interrupts per device instance. Submitted by: Daisuke Aoyama <aoyama at peach.ne.jp> Discussed with: gber@, raj@
2013-02-23 22:58:04 +00:00
#define DI_MAX_INTR_NUM 32
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
struct fdt_sense_level {
enum intr_trigger trig;
enum intr_polarity pol;
};
Rename ARM_INTRNG and MIPS_INTRNG to INTRNG. This will help with machine independent code that needs to know about INTRNG such as PCI drivers. Obtained from: ABT Systems Ltd Sponsored by: The FreeBSD Foundation
2016-04-15 16:05:41 +00:00
#if defined(__arm__) && !defined(INTRNG)
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
typedef int (*fdt_pic_decode_t)(phandle_t, pcell_t *, int *, int *, int *);
extern fdt_pic_decode_t fdt_pic_table[];
Only define fdt_pic_table on arm, and when not using intrng as this is the only place that uses it.
2016-01-22 13:09:43 +00:00
#endif
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
Remove fdt_fixup_table from architectures where it's unneeded. We only make use of fdt_fixup_table on PowerPC and ARM. As such we can remove it from other architectures as it's unneeded. Reviewed by: nwhitehorn Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D5013
2016-01-21 16:48:01 +00:00
#if defined(__arm__) || defined(__powerpc__)
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
typedef void (*fdt_fixup_t)(phandle_t);
struct fdt_fixup_entry {
char *model;
fdt_fixup_t handler;
};
extern struct fdt_fixup_entry fdt_fixup_table[];
Remove fdt_fixup_table from architectures where it's unneeded. We only make use of fdt_fixup_table on PowerPC and ARM. As such we can remove it from other architectures as it's unneeded. Reviewed by: nwhitehorn Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D5013
2016-01-21 16:48:01 +00:00
#endif
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
MFP4: 223121 (FDT infrastructure portion) Implement support for interrupt-parent nodes in simplebus. The current implementation requires that device declarations have an interrupt-parent node and that it point to a device that has registered itself as a interrupt controller in fdt_ic_list_head and implements the fdt_ic interface. Sponsored by: DARPA/AFRL
2013-10-21 21:13:01 +00:00
extern SLIST_HEAD(fdt_ic_list, fdt_ic) fdt_ic_list_head;
struct fdt_ic {
SLIST_ENTRY(fdt_ic) fdt_ics;
ihandle_t iph;
device_t dev;
};
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
extern vm_paddr_t fdt_immr_pa;
extern vm_offset_t fdt_immr_va;
extern vm_offset_t fdt_immr_size;
#if defined(FDT_DTB_STATIC)
extern u_char fdt_static_dtb;
#endif
Add hw.fdt sysctl node. Make FDT blob available via opaque hw.fdt.dtb sysctl, if a DTB has been installed by the time sysctls are registered. Reviewed by: andrew Approved by: sjg (mentor) Sponsored by: Juniper Networks, Inc. Differential Revision: https://reviews.freebsd.org/D7411
2016-08-06 18:48:47 +00:00
SYSCTL_DECL(_hw_fdt);
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
int fdt_addrsize_cells(phandle_t, int *, int *);
u_long fdt_data_get(void *, int);
int fdt_data_to_res(pcell_t *, int, int, u_long *, u_long *);
phandle_t fdt_find_compatible(phandle_t, const char *, int);
Add a helper routine to depth-search the device tree for a node with a matching 'compatible' property. This probably has a short half-life (as do most of the fdt_ functions), but it helps solve some near-term needs until we work out the larger problems of device instantiation order versus the order of things in the fdt data.
2014-02-16 03:00:59 +00:00
phandle_t fdt_depth_search_compatible(phandle_t, const char *, int);
Make the memory size returned from fdt_get_mem_regions a 64-bit type. This is the physical memory size so may be larger than a u_long can hold, e.g. on ARM with LPAE we could see an address space of up to 40 bits. On ARM u_long is only 32 bits so the memory size will be truncated, possibly to zero. Reported by: bz Sponsored by: ABT Systems Ltd
2016-03-01 11:39:07 +00:00
int fdt_get_mem_regions(struct mem_region *, int *, uint64_t *);
Handle reserved memory with the no-map property. We shouldn't be mapping this memory, so we need to find it so it can be excluded from the phys_avail map. Reviewed by: manu Obtained from: ABT Systems Ltd Sponsored by: Turing Robotic Industries Differential Revision: https://reviews.freebsd.org/D15518
2018-05-22 16:03:41 +00:00
int fdt_get_reserved_mem(struct mem_region *, int *);
Add fdt_get_reserved_regions function. API is simmilar to fdt_get_mem_regions It returns memory regions restricted from being used by kernel. These regions are dfined in "memreserve" property of root node in the same format as "reg" property of /memory node
2012-11-30 03:08:49 +00:00
int fdt_get_reserved_regions(struct mem_region *, int *);
Respect phy-handle property in Ethernet nodes of the device tree. This lets specify whereabouts of the parent PHY for a given MAC node (and get rid of ugly kludges in mge(4) and tsec(4)). Obtained from: Semihalf MFC after: 1 week
2012-03-04 19:22:52 +00:00
int fdt_get_phyaddr(phandle_t, device_t, int *, void **);
Merging of projects/armv6, part 4 r233822: Remove useless and wrong piece of code in fdt_get_range() which i overwrites passed phandle_t node. Modify debug printf in fdt_reg_to_rl() to be consistent (that is, print start and end *virtual* addresses). r230560: Handle "ranges;" Make fdt_reg_to_rl() responsible for mapping the device memory, instead on just hoping that there's only one simplebus, and using fdt_immr_va as the base VA. r230315 Add a function to get the PA from range, instead of (ab)using fdt_immr_pa, and use it for the UART driver
2012-08-15 03:49:10 +00:00
int fdt_get_range(phandle_t, int, u_long *, u_long *);
Eliminate FDT_IMMR_VA define. This removes platform dependencies from <machine>/fdt.h for the benfit of portability.
2010-07-19 18:47:18 +00:00
int fdt_immr_addr(vm_offset_t);
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
int fdt_regsize(phandle_t, u_long *, u_long *);
int fdt_is_compatible_strict(phandle_t, const char *);
int fdt_parent_addr_cells(phandle_t);
ARM: Parse command line delivered by U-Boot: - in atags - in DT blob (by using 'fdt chosen' U-Boot command) The command line must start with guard's string 'FreeBSD:' and can contain list of comma separated kenv strings. Also, boot modifier strings from boot.h are recognised and parsed into boothowto. The command line must be passed from U-Boot by setting of bootargs variable: 'setenv bootargs FreeBSD:boot_single=1,vfs.root.mountfrom=ufs:/dev/ada0s1a' followed by 'fdt chosen' (only for DT based boot)
2016-03-26 06:59:01 +00:00
int fdt_get_chosen_bootargs(char *bootargs, size_t max_size);
Import the common Flattened Device Tree infrastructure. o fdtbus(4) - the main abstract bus driver for all FDT-compliant systems. This is a direct replacement for the many incompatible bus drivers grouping integrated peripherals on embedded platforms (like obio(4), ocpbus(4) etc.) o simplebus(4) - bus driver representing ePAPR style 'simple-bus' node, which is an umbrella device for most of the integrated peripherals on a typical system-on-chip device. o Other components (common routines library, PCI node processing helper functions) Reviewed by: imp Sponsored by: The FreeBSD Foundation
2010-06-02 17:17:45 +00:00
#endif /* _FDT_COMMON_H_ */
Reference in New Issue Copy Permalink