<<
Please pull mpc5xxx patches for v3.9. The bestcomm driver is
moved to drivers/dma (so it will be usable for ColdFire).
mpc5121 now provides common dtsi file and existing mpc5121 device
trees use it. There are some minor clock init and sparse fixes
and updates for various 5200 device tree files from Grant. Some
fixes for bugs in the mpc5121 DIU driver are also included here
(Andrew Morton suggested to push them via my mpc5xxx tree).
>>
BSC9131RDB doesn't have SDHC enabled. As a result of this typo,
the node was not getting disabled from the device tree which was
leading to linux hang during bootup
Signed-off-by: Harninder Rai <harninder.rai@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Initial board support for the Prodrive PPA8548 AMC module. Board
is an MPC8548 AMC platform used in RapidIO systems. This module is
also used to test/work on mainline linux RapidIO software.
PPA8548 overview:
- 1.3 GHz Freescale PowerQUICC III MPC8548 processor
- 1 GB DDR2 @ 266 MHz
- 8 MB NOR flash
- Serial RapidIO 1.2
- 1 x 10/100/1000 BASE-T front ethernet
- 1 x 1000 BASE-BX ethernet on AMC connector
Signed-off-by: Stef van Os <stef.van.os@prodrive.nl>
Acked-by: Timur Tabi <timur@tabi.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This facilitates getting the physical address of the SEC node.
Signed-off-by: Liu po <po.liu@freescale.com>
Reviewed-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Fix and/or improve the compatible strings of the PCI device tree nodes for
some Freescale SOCs. This fixes some issues and improves consistency among
the SOCs.
Specifically:
1) The P1022 has a v1 PCIe controller, so the compatible property should just
say "fsl,mpc8548-pcie". U-Boot does not look for "fsl,p1022-pcie", so it
wasn't fixing up the node.
2) The P4080 has a v2.1 PCIe controller, so add that version-specific string
to the device tree. Update the kernel to also look for that string.
Currently, the kernel looks for "fsl,p4080-pcie" specifically, but
eventually that check should be deleted.
3) The P1010 device tree claims compatibility with v2.2 and v2.3, but that's
redundant. No other device tree does this. Remove the v2.2 string.
4) The kernel looks for both "fsl,p1023-pcie" and "fsl,qoriq-pcie-v2.2",
even though the P1023 device trees has always included both strings. Remove
the search for "fsl,p1023-pcie".
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The PAMU caches use the LIODNs to determine which cache lines hold the
entries for the corresponding LIODs. The LIODNs must therefore be
carefully assigned to avoid cache thrashing -- two active LIODs with
LIODNs that put them in the same cache line.
Currently, LIODNs are statically assigned by U-Boot, but this has
limitations. LIODNs are assigned even for devices that may be disabled
or unused by the kernel. Static assignments also do not allow for device
drivers which may know which LIODs can be used simultaneously. In
other words, we really should assign LIODNs dynamically in Linux.
To do that, we need to describe the PAMU device and cache topologies in
the device trees.
Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Stuart Yoder <stuart.yoder@freescale.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
By moving the two JP12 jumpers 90 degrees, and switching the
setting of SW2.8, the sbc8548 can be configured to boot off
the alternate 64MB SODIMM, which when populated with u-boot
can be a handy recovery option, in case the u-boot in the
8MB soldered on flash gets corrupted. Here we add an alternate
dts file to match that configuration.
To better highlight the differences, the output from the u-boot
"fli" command is shown for the normal configuration and then
the alternate configuration.
Normal:
-----------------------
Bank # 1: CFI conformant flash (8 x 8) Size: 8 MB in 64 Sectors
Intel Extended command set, Manufacturer ID: 0x89, Device ID: 0x17
Erase timeout: 4096 ms, write timeout: 1 ms
Buffer write timeout: 2 ms, buffer size: 32 bytes
Sector Start Addresses:
FF800000 E FF820000 E FF840000 E FF860000 E FF880000 E
[...]
FFEE0000 E FFF00000 E FFF20000 E FFF40000 E FFF60000 E
FFF80000 FFFA0000 RO FFFC0000 RO FFFE0000 RO
Bank # 2: CFI conformant flash (32 x 8) Size: 64 MB in 128 Sectors
Intel Extended command set, Manufacturer ID: 0x89, Device ID: 0x18
Erase timeout: 4096 ms, write timeout: 1 ms
Buffer write timeout: 2 ms, buffer size: 32 bytes
Sector Start Addresses:
EC000000 E EC080000 E EC100000 E EC180000 E EC200000 E
[...]
EFC00000 E EFC80000 E EFD00000 E EFD80000 E EFE00000 E
EFE80000 E EFF00000 EFF80000
-----------------------
Alternate:
-----------------------
Bank # 1: CFI conformant flash (32 x 8) Size: 64 MB in 128 Sectors
Intel Extended command set, Manufacturer ID: 0x89, Device ID: 0x18
Erase timeout: 4096 ms, write timeout: 1 ms
Buffer write timeout: 2 ms, buffer size: 32 bytes
Sector Start Addresses:
FC000000 E FC080000 E FC100000 E FC180000 E FC200000 E
[...]
FFC00000 E FFC80000 E FFD00000 E FFD80000 E FFE00000 E
FFE80000 E FFF00000 RO FFF80000 RO
Bank # 2: CFI conformant flash (8 x 8) Size: 8 MB in 64 Sectors
Intel Extended command set, Manufacturer ID: 0x89, Device ID: 0x17
Erase timeout: 4096 ms, write timeout: 1 ms
Buffer write timeout: 2 ms, buffer size: 32 bytes
Sector Start Addresses:
EF800000 E EF820000 E EF840000 E EF860000 E EF880000 E
[...]
EFEE0000 E EFF00000 E EFF20000 E EFF40000 E EFF60000 E
EFF80000 E EFFA0000 EFFC0000 EFFE0000
-----------------------
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The original memory map for the sbc8548 had the 64MB SODIMM flash
device misaligned by 8MB to allow a window of address space for
the soldered on 8MB device -- i.e.
start end CS<n> width Desc.
----------------------------------------------------------
fb80_0000 ff7f_ffff CS6 32 SODIMM flash (64MB)
ff80_0000 ffff_ffff CS0 8 Boot flash (8MB)
However, if we want to change the configuration so that it boots
off the 64MB flash, it is in turn then aligned with a 64MB boundary,
starting at fc00_0000 (and the 8MB @ fb80_0000 -> fbff_ffff).
This makes for complicated updates, since what is the beginning
of the physical device is 8MB into its address space in the default
configuration shown above.
This issue was fixed as of u-boot commit 3fd673cf363bc86ed42eff713d4
("sbc8548: relocate 64MB user flash to sane boundary") -- in which
the SODIMM was mapped to ec00_0000 (natively aligned under efff_ffff)
and so when JP12/SW2.8 are switched, it will be a a simple 0xec --> 0xfc
mapping between the two instances.
Here we make the associated changes in the localbus flash memory
map in the dts file: indicating the 64MB device starts at ec00_0000
and that the tail end of the 64MB device (last 2 sectors) can contain
a bootloader image.
The partitions for both flash devices get a clean-up; there were
non-meaningful assignments in there that probably originated from
the MPC8548CDS on which the file was based on. Now there is just
the categorization of free space and bootloader images.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Updates to u-boot allow this board to boot off of either
the 8MB soldered on flash, or the 64MB SODIMM flash.
This is achieved by changing JP12 and SW2.8 which in turn
swaps which flash device appears on /CS0 and /CS6 respectively.
Since the flash devices are not the same size, this also
changes the MTD memory map layout on the local bus.
Here we split the common chunks out into a pre and post
include, so they can be reused by an upcoming "alternative
boot" dts file; leaving only the local bus chunk behind.
No content changes are made at this point - it is just purely
the move to using include files.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The DTC labels feature allows a dts file to reference a node without
having to reproduce the entire node hierarchy above it. We can use this
to simplify the MPC5200 board dts files by referencing the gpt nodes by
label.
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
[agust: fixed gpt7 phandle in the csi node of o2d.dtsi]
Signed-off-by: Anatolij Gustschin <agust@denx.de>
The Lite5200 evaluation board has a number of debug LEDs that Linux
doesn't know about yet. This change adds a gpio-leds stanza to the
lite5200 device tree so that the correct driver can get hooked up.
Also, make use of the dtc labels feature to reduce the number of source
lines required to add the gpio-controller property to the general
purpose timer nodes. In addition, the required #gpio-cells properties
are added to the common mpc5200b dtsi include file so that each board
doesn't need to add them explicitly. This still doesn't enable gpio
mode, 'gpio-controller' is required for that, but it means less work
needs to be done by board ports.
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This adds the marvel phy which is present on the ml507 board.
Without this ethtool causes kernel-oopses.
Tested on ml507 board.
Signed-off-by: Gernot Vormayr <gvormayr@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This patch consists of:
- Add driver for OCM component
- Export OCM Information at /sys/kernel/debug/ppc4xx_ocm/info
Signed-off-by: Vinh Nguyen Huu Tuong <vhtnguyen@apm.com>
Acked-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This patch adds the MPC5200B based a3m071 board.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
The RaidEngine is a new Freescale hardware that used for parity
computation offloading in RAID5/6.
This patch adds the device node in device tree and related binding
documentation.
Signed-off-by: Harninder Rai <harninder.rai@freescale.com>
Signed-off-by: Naveen Burmi <naveenburmi@freescale.com>
Signed-off-by: Xuelin Shi <b29237@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add a node for the pcm030-audio-fabric ASoC driver
Signed-off-by: Eric Millbrandt <emillbrandt@dekaresearch.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Add common o2d dtsi file to reuse it for other configurations.
Add machine compatible string to mpc5200 simple platform file.
Add dts files for O2D, O2I, O2MNT, O2DNT2, O2D300 and O3DNT boards.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Device node adt7461 was wrongly added in p5040ds.dts, it should be added
into i2c instead of localbus, when build p5040ds.dtb, a warning will dump:
Warning (reg_format): "reg" property in
/localbus@ffe124000/nand@2,0/adt7461@4c has invalid length (4 bytes)
(#address-cells == 1, #size-cells == 1)
This was introduced by:
commit ea6b1ba692bcb5f6e39f409a78cf8b04fdf23baa
Author: Jia Hongtao <B38951@freescale.com>
Date: Tue Aug 28 10:00:55 2012 +0800
powerpc: add adt7461 thermal monitor support to applicable boards
Add thermal monitor support to following boards:
P1022DS, MPC8536DS, P2041RDB, P3041DS, P4080DS, P5020DS, P5040DS
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
create partition table for norflash.
Signed-off-by: Wang Dongsheng <Dongsheng.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add thermal monitor support to following boards:
P1022DS, MPC8536DS, P2041RDB, P3041DS, P4080DS, P5020DS, P5040DS
Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
power-isa-version and power-isa-* are cpu node general properties defined
in ePAPR.
If the power-isa-version property exists, then for each category from the
Categories section of Book I of the Power ISA version indicated, the
existence of a property named power-isa-[CAT], where [CAT] is the
abbreviated category name with all uppercase letters converted to
lowercase, indicates that the category is supported by the implementation.
This patch update all the e5500 platforms.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Olivia Yin <hong-hua.yin@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
power-isa-version and power-isa-* are cpu node general properties defined
in ePAPR.
If the power-isa-version property exists, then for each category from the
Categories section of Book I of the Power ISA version indicated, the
existence of a property named power-isa-[CAT], where [CAT] is the
abbreviated category name with all uppercase letters converted to
lowercase, indicates that the category is supported by the implementation.
The patch update all the e500mc platforms.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Olivia Yin <hong-hua.yin@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
power-isa-version and power-isa-* are cpu node general properties defined
in ePAPR.
If the power-isa-version property exists, then for each category from the
Categories section of Book I of the Power ISA version indicated, the
existence of a property named power-isa-[CAT], where [CAT] is the
abbreviated category name with all uppercase letters converted to
lowercase, indicates that the category is supported by the implementation.
The patch update all e500v2 platforms.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Olivia Yin <hong-hua.yin@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The Freescale / iVeia P1022RDK reference board is a small-factor board
with a Freescale P1022 SOC. It includes:
1) 512 MB 64-bit DDR3-800 (max) memory
2) 8MB SPI serial flash memory for boot loader
3) Bootable 4-bit SD/MMC port
4) Two 10/100/1000 Ethernet connectors
5) One SATA port
6) Two USB ports
7) One PCIe x4 slot
8) DVI video connector
9) Audio input and output jacks, powered by a Wolfson WM8960 codec.
Unlike the P1022DS, the P1022RDK does not have any localbus devices,
presumably because of the localbus / DIU multiplexing restriction of
the P1022 SOC.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add support for the Freescale P5040DS Reference Board ("Superhydra"), which
is similar to the P5020DS. Features of the P5040 are listed below, but
not all of these features (e.g. DPAA networking) are currently supported.
Four P5040 single-threaded e5500 cores built
Up to 2.4 GHz with 64-bit ISA support
Three levels of instruction: user, supervisor, hypervisor
CoreNet platform cache (CPC)
2.0 MB configures as dual 1 MB blocks hierarchical interconnect fabric
Two 64-bit DDR3/3L SDRAM memory controllers with ECC and interleaving
support Up to 1600MT/s
Memory pre-fetch engine
DPAA incorporating acceleration for the following functions
Packet parsing, classification, and distribution (FMAN)
Queue management for scheduling, packet sequencing and
congestion management (QMAN)
Hardware buffer management for buffer allocation and
de-allocation (BMAN)
Cryptography acceleration (SEC 5.0) at up to 40 Gbps SerDes
20 lanes at up to 5 Gbps
Supports SGMII, XAUI, PCIe rev1.1/2.0, SATA Ethernet interfaces
Two 10 Gbps Ethernet MACs
Ten 1 Gbps Ethernet MACs
High-speed peripheral interfaces
Two PCI Express 2.0/3.0 controllers
Additional peripheral interfaces
Two serial ATA (SATA 2.0) controllers
Two high-speed USB 2.0 controllers with integrated PHY
Enhanced secure digital host controller (SD/MMC/eMMC)
Enhanced serial peripheral interface (eSPI)
Two I2C controllers
Four UARTs
Integrated flash controller supporting NAND and NOR flash
DMA
Dual four channel
Support for hardware virtualization and partitioning enforcement
Extra privileged level for hypervisor support
QorIQ Trust Architecture 1.1
Secure boot, secure debug, tamper detection, volatile key storage
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add device tree (dtsi) files for the Freescale P5040 SOC. Since this
SOC introduces SEC v5.2, add the dtsi file for that also.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
We only need two examples of CAMP device trees in the upstream kernel.
Co-operative Asymmetric Multi-Processing (CAMP) is a technique where two
or more operating systems (typically multiple copies of the same Linux
kernel) are loaded into memory, and each kernel is given a subset of the
available cores to execute on. For example, on a four-core system, one
kernel runs on cores 0 and 1, and the other runs on cores 2 and 3.
The devices are also partitioned among the operating systems, and this is
done with customized device trees. Each kernel gets its own device tree
that has only the devices that it should know about.
Unfortunately, this approach is very hackish. The kernels are trusted to
only access devices in their respective device trees, and the partitioning
only works for devices that can be handled. Crafting the device trees is a
tricky process, and getting U-Boot to load and start all kernels is
cumbersome.
But most importantly, each CAMP setup is very application-specific, since
the actual partitioning of resources is done in the DTS by the system
designer. Therefore, it doesn't make a lot of sense to have a lot of CAMP
device trees, since we only expect them to be used as examples.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add the missing usb controller version info and port0, which is
required during setup usb phy.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Default CoreNet Coherency Bus (CCB) frequency on P3041 is 750MHz, but espi
cannot work at 40MHz with this CCB frequency, so we need to slow down the
clock rate of espi to 35MHz to make it work stable at the CCB frequency.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
In SGMII riser card different PHY chip are used with different external
IRQ from eTSEC. To support PHY link state auto detect in SGMII mode we
should add another group of PHY nodes for SGMII mode.
For MPC8572DS IRQ6 is used for PHY0~PHY1, IRQ7 is used for PHY2~PHY3.
For MPC8544DS and MPC8536DS IRQ6 is used for PHY0~PHY1.
For P2020DS IRQ5 is used for PHY1~PHY2.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The board is really P1021RDB-PC, so rename from p1021rdb.* to p1021rdb-pc.*
Signed-off-by: Xu Jiucheng <Jiucheng.Xu@freescale.com>
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add device tree nodes to enable ucc uart support on P1025RDB.
Signed-off-by: Zhicheng Fan <B32736@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
With 2-cell format interrupts of MSI PCIe ethernet card can not work.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
BSC9131RDB is a Freescale reference design board for BSC9131 SoC. The
BSC9131 is integrated SoC that targets Femto base station market. It
combines Power Architecture e500v2 and DSP StarCore SC3850 core
technologies with MAPLE-B2F baseband acceleration processing elements.
The BSC9131 SoC includes the following function and features:
. Power Architecture subsystem including a e500 processor with 256-Kbyte
shared L2 cache
. StarCore SC3850 DSP subsystem with a 512-Kbyte private L2 cache
. The Multi Accelerator Platform Engine for Femto BaseStation Baseband
Processing (MAPLE-B2F)
. A multi-standard baseband algorithm accelerator for Channel
Decoding/Encoding, Fourier Transforms, UMTS chip rate processing, LTE
UP/DL Channel processing, and CRC algorithms
. Consists of accelerators for Convolution, Filtering, Turbo Encoding,
Turbo Decoding, Viterbi decoding, Chiprate processing, and Matrix
Inversion operations
. DDR3/3L memory interface with 32-bit data width without ECC and 16-bit
with ECC, up to 400-MHz clock/800 MHz data rate
. Dedicated security engine featuring trusted boot
. DMA controller
. OCNDMA with four bidirectional channels
. Interfaces
. Two triple-speed Gigabit Ethernet controllers featuring network
acceleration including IEEE 1588. v2 hardware support and
virtualization (eTSEC)
. eTSEC 1 supports RGMII/RMII
. eTSEC 2 supports RGMII
. High-speed USB 2.0 host and device controller with ULPI interface
. Enhanced secure digital (SD/MMC) host controller (eSDHC)
. Antenna interface controller (AIC), supporting three industry standard
JESD207/three custom ADI RF interfaces (two dual port and one single
port) and three MAXIM's MaxPHY serial interfaces
. ADI lanes support both full duplex FDD support and half duplex TDD
support
. Universal Subscriber Identity Module (USIM) interface that facilitates
communication to SIM cards or Eurochip pre-paid phone cards
. TDM with one TDM port
. Two DUART, four eSPI, and two I2C controllers
. Integrated Flash memory controller (IFC)
. TDM with 256 channels
. GPIO
. Sixteen 32-bit timers
The DSP portion of the SoC consists of DSP core (SC3850) and various
accelerators pertaining to DSP operations.
BSC9131RDB Overview
----------------------
BSC9131 SoC
1Gbyte DDR3 (on board DDR)
128Mbyte 2K page size NAND Flash
256 Kbit M24256 I2C EEPROM
128 Mbit SPI Flash memory
USB-ULPI
eTSEC1: Connected to RGMII PHY
eTSEC2: Connected to RGMII PHY
DUART interface: supports one UARTs up to 115200 bps for console display
Linux runs on e500v2 core and access some DSP peripherals like AIC
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com>
Signed-off-by: Akhil Goyal <Akhil.Goyal@freescale.com>
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Rajan Srivastava <rajan.srivastava@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This reverts commit 96cc017c5b.
The P3060 was cancelled before it went into production, so there's no point
in supporting it.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
In order to enable the DIU video controller on the P1022DS, the FPGA needs
to be switched to "indirect mode", where the localbus is disabled and
the FPGA is accessed via writes to localbus chip select signals CS0 and CS1.
To obtain the address of CS0 and CS1, the platform driver uses an "indirect
pixis mode" device tree node. This node assumes that the localbus 'ranges'
property is sorted in chip-select order. That is, reg value 0 maps to
CS0, reg value 1 maps to CS1, etc. This is how the 'ranges' property is
supposed to be arranged.
Unfortunately, the 'ranges' property is often mis-arranged, and not just on
the P1022DS. Linux normally does not care, since it does not program the
localbus. But the indirect-mode code on the P1022DS does care.
The "proper" fix is to have U-Boot fix the 'ranges' property, but this would
be too cumbersome. The names and 'reg' properties of all the localbus
devices would also need to be updated, and determining which localbus device
maps to which chip select is board-specific.
Instead, we determine the CS0/CS1 base addresses the same way that U-boot
does -- by reading the BRx registers directly and mapping them to physical
addresses. This code is simpler and more reliable, and it does not require
a U-boot or device tree change.
Since the indirect pixis device tree node is no longer needed, the node is
deleted from the DTS.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This reference board dates back to 2004, and is largely a legacy
EOL product. The MPC8560 is a pre e500v2 CPU. The SBC8548 is
a more modern, better e500v2 target for people to use as a
reference board with today's kernels, should they require one.
Removing support for it will also allow us to remove some
sbc8560 specific quirk handling in 8250 UART code, and some
MTD mapping support.
Cc: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Jin Qing <b24347@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add EEPROM to the P1010RDB device tree.
The 24c01 acts as a memory SPD so it shouldn't be overwritten without
care.
The 24c256 is a general purpose memory.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This reverts commit 0c00f65653.
The initial commit was my fault. There are two boards out there:
P2020RDB and P2020RDB-PC. I wasn't aware of that and assumed that I have
a RDB board in front of me while I the RDB-PC. This patch makes it work
for the RDB-PC variant and breaks it for the RDB. Now there is a device
tree file available for the RDB-PC which was not there earlier. So with
this revert, everything gets back to normal :)
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add spi support for mgcoge into the platform code and the dts
file. Additionaly SPIDEV is switched on in the defconfig and the
updates for the newer kernel version are committed. The SPI
interface is used to drive the Maxim DS3106 clock chip.
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Heiko Schocher <hs@denx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add the RTC support into the p1022ds device tree
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
These changes are specific to some driver that may be used by multiple
boards or socs. The most significant change in here is the move of the
samsung iommu code from a platform specific in-kernel interface to the
generic iommu subsystem.
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc driver specific updates from Olof Johansson:
"These changes are specific to some driver that may be used by multiple
boards or socs. The most significant change in here is the move of
the samsung iommu code from a platform specific in-kernel interface to
the generic iommu subsystem."
Fix up trivial conflicts in arch/arm/mach-exynos/Kconfig
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
mmc: dt: Consolidate DT bindings
iommu/exynos: Add iommu driver for EXYNOS Platforms
ARM: davinci: optimize the DMA ISR
ARM: davinci: implement DEBUG_LL port choice
ARM: tegra: Add SMMU enabler in AHB
ARM: tegra: Add Tegra AHB driver
Input: pxa27x_keypad add choice to set direct_key_mask
Input: pxa27x_keypad direct key may be low active
Input: pxa27x_keypad bug fix for direct_key_mask
Input: pxa27x_keypad keep clock on as wakeup source
ARM: dt: tegra: pinmux changes for USB ULPI
ARM: tegra: add USB ULPI PHY reset GPIO to device tree
ARM: tegra: don't hard-code USB ULPI PHY reset_gpio
ARM: tegra: change pll_p_out4's rate to 24MHz
ARM: tegra: fix pclk rate
ARM: tegra: reparent sclk to pll_c_out1
ARM: tegra: Add pllc clock init table
ARM: dt: tegra cardhu: basic audio support
ARM: dt: tegra30.dtsi: Add audio-related nodes
ARM: tegra: add AUXDATA required for audio
...
* drivers/mmc:
mmc: dt: Consolidate DT bindings
Also pulls in the omap/dt-missed-3.4 branch as a dependency.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch unifies the current DT MMC bindings documentation and code,
adds generic MMC DT bindings documentation, and updates .dts files for
consistency.
[cjb: typo fixes, addition of max-frequency property]
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The association in the decice tree between PCI and MSI
using fsl,msi property was an artificial one and it does
not reflect the actual hardware.
Signed-off-by: Diana CRACIUN <Diana.Craciun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Pull powerpc merge from Benjamin Herrenschmidt:
"Here's the powerpc batch for this merge window. It is going to be a
bit more nasty than usual as in touching things outside of
arch/powerpc mostly due to the big iSeriesectomy :-) We finally got
rid of the bugger (legacy iSeries support) which was a PITA to
maintain and that nobody really used anymore.
Here are some of the highlights:
- Legacy iSeries is gone. Thanks Stephen ! There's still some bits
and pieces remaining if you do a grep -ir series arch/powerpc but
they are harmless and will be removed in the next few weeks
hopefully.
- The 'fadump' functionality (Firmware Assisted Dump) replaces the
previous (equivalent) "pHyp assisted dump"... it's a rewrite of a
mechanism to get the hypervisor to do crash dumps on pSeries, the
new implementation hopefully being much more reliable. Thanks
Mahesh Salgaonkar.
- The "EEH" code (pSeries PCI error handling & recovery) got a big
spring cleaning, motivated by the need to be able to implement a
new backend for it on top of some new different type of firwmare.
The work isn't complete yet, but a good chunk of the cleanups is
there. Note that this adds a field to struct device_node which is
not very nice and which Grant objects to. I will have a patch soon
that moves that to a powerpc private data structure (hopefully
before rc1) and we'll improve things further later on (hopefully
getting rid of the need for that pointer completely). Thanks Gavin
Shan.
- I dug into our exception & interrupt handling code to improve the
way we do lazy interrupt handling (and make it work properly with
"edge" triggered interrupt sources), and while at it found & fixed
a wagon of issues in those areas, including adding support for page
fault retry & fatal signals on page faults.
- Your usual random batch of small fixes & updates, including a bunch
of new embedded boards, both Freescale and APM based ones, etc..."
I fixed up some conflicts with the generalized irq-domain changes from
Grant Likely, hopefully correctly.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (141 commits)
powerpc/ps3: Do not adjust the wrapper load address
powerpc: Remove the rest of the legacy iSeries include files
powerpc: Remove the remaining CONFIG_PPC_ISERIES pieces
init: Remove CONFIG_PPC_ISERIES
powerpc: Remove FW_FEATURE ISERIES from arch code
tty/hvc_vio: FW_FEATURE_ISERIES is no longer selectable
powerpc/spufs: Fix double unlocks
powerpc/5200: convert mpc5200 to use of_platform_populate()
powerpc/mpc5200: add options to mpc5200_defconfig
powerpc/mpc52xx: add a4m072 board support
powerpc/mpc5200: update mpc5200_defconfig to fit for charon board
Documentation/powerpc/mpc52xx.txt: Checkpatch cleanup
powerpc/44x: Add additional device support for APM821xx SoC and Bluestone board
powerpc/44x: Add support PCI-E for APM821xx SoC and Bluestone board
MAINTAINERS: Update PowerPC 4xx tree
powerpc/44x: The bug fixed support for APM821xx SoC and Bluestone board
powerpc: document the FSL MPIC message register binding
powerpc: add support for MPIC message register API
powerpc/fsl: Added aliased MSIIR register address to MSI node in dts
powerpc/85xx: mpc8548cds - add 36-bit dts
...
Add DTS file for a4m072 board and add its name to the list
of the supported boards.
Signed-off-by: Heiko Schocher <hs@denx.de>
cc: Grant Likely <grant.likely@secretlab.ca>
cc: devicetree-discuss@ozlabs.org
cc: Wolfgang Denk <wd@denx.de>
cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
The MSIIR register for each MSI bank is aliased to a different
address. The MSI node reg property was updated to contain this
address:
e.g. reg = <0x41600 0x200 0x44140 4>;
The first region contains the address and length of the MSI
register set and the second region contains the address of
the aliased MSIIR register at 0x44140.
Signed-off-by: Diana CRACIUN <Diana.Craciun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Create mpc8548cds_36b.dts. Support 36-bit mode.
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* Create mpc8548cds.dtsi
* Move lbc, soc and pci0 nodes to mpc8548cds_32b.dtsi
* Change cuImage.mpc8548cds to cuImage.mpc8548cds_32b
* Rename mpc8548cds.dts to mpc8548cds_32b.dts
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Remove FPGA(CADMUS) macros in code. Move it to dts.
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Correct ethernet1 and add ethernet2 and ethernet3.
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Enable RapidIO and add rapidio and rmu nodes to dts.
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Fix the compatible string of sec 4.0 to match with CAAM driver according
to Documentation/devicetree/bindings/crypto/fsl-sec4.txt
Signed-off-by: Liu Shuo <shuo.liu@freescale.com>
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The mpc836x_mds platform has been broken since the commit
6fe3264945
"netdev/phy: Use mdiobus_read() so that proper locks are taken"
which caused the fsl_pq_mdio TBI autoprobe to oops. The oops
was "fixed" in commit 28d8ea2d56
"fsl_pq_mdio: Clean up tbi address configuration"
by simply removing the the autoscan code, and making tbi nodes
mandatory. Some of the newer reference platforms were updated
to have tbi nodes in 220669495b
"powerpc: Add TBI PHY node to first MDIO bus"
but the older mpc836x didn't get one and hence was just failing
with -EBUSY as follows:
fsl-pq_mdio: probe of e0102120.mdio failed with error -16
...
net eth0: Could not attach to PHY
eth0: Cannot initialize PHY, aborting.
Add a TBI node and use the 1st free address for it.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Initial board support for the GE IMP3A, a 3U compactPCI card with a p2020
processor.
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
P1020RDB-PC Overview
------------------
1Gbyte DDR3 SDRAM
32 Mbyte NAND flash
10 16Mbyte NOR flash
16 Mbyte SPI flash
SD connector to interface with the SD memory card
Real-time clock on I2C bus
PCIe:
- x1 PCIe slot
- x1 mini-PCIe slot
10/100/1000 BaseT Ethernet ports:
- eTSEC1, RGMII: one 10/100/1000 port using VitesseTM VSC7385 L2 switch
- eTSEC2, SGMII: one 10/100/1000 port using VitesseTM VSC8221
- eTSEC3, RGMII: one 10/100/1000 port using AtherosTM AR8021
USB 2.0 port:
- Two USB2.0 Type A receptacles
- One USB2.0 signal to Mini PCIe slot
Dual RJ45 UART ports:
- DUART interface: supports two UARTs up to 115200 bps for console display
Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Jin Qing <b24347@freescale.com>
Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The Freescale P1022 has a unique pin muxing "feature" where the DIU video
controller's video signals are muxed with 24 of the local bus address signals.
When the DIU is enabled, the bulk of the local bus is disabled, preventing
access to memory-mapped devices like NOR flash and the pixis FPGA.
Therefore, if the DIU is going to be enabled, then memory-mapped devices on
the localbus, like NOR flash, need to be disabled.
This also means that the localbus is not a 'simple-bus' any more, so remove
that string from the compatible node.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Create a 32-bit address space version of p1022ds.dts. To avoid confusion,
p1022ds.dts is renamed to p1022ds_36b.dts. We also create p1022ds.dtsi
to store some common nodes.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The properties indicates that the hardware supports waking up via magic
packet.
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Fix typo introduced by "powerpc: Add TBI PHY node to first MDIO bus"
from Andy Fleming.
It's device_type rather than device-type, which causes the mdio probe to
fail thus making all gianfar ethernet interfaces unusable.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This is here most likely since the FSL bsp. Back in the FSL bsp it was
set to 50Mhz and working. However the driver divided the SoC freq. only
by 2. According to the TRM the platform clock (which the manual refers
in its formula) is the system clock divided by two. So in the end it has
to divide by 4 and this is what the fsl-spi driver in tree is doing.
Since then the flash is not wokring I guess. After chaning the freq from
50Mhz to 40Mhz like others do then I can access the flash.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
It is not at 0xffa00000. According to current u-boot source the NAND
controller is always at 0xff800000 and it is either at CS0 or CS1
depending on NAND or NAND+NOR mode. In 36bit mode it is shifted to
0xfff800000 but it has always an eight there and never an A.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
P1025RDB Overview
------------------
1Gbyte DDR3 SDRAM
32 Mbyte NAND flash
16Mbyte NOR flash
16 Mbyte SPI flash
SD connector to interface with the SD memory card
Real-time clock on I2C bus
PCIe:
- x1 PCIe slot
- x1 mini-PCIe slot
10/100/1000 BaseT Ethernet ports:
- eTSEC1, RGMII: one 10/100/1000 port using AtherosTM AR8021
- eTSEC2, SGMII: one 10/100/1000 port using VitesseTM VSC8221
- eTSEC3, RGMII: one 10/100/1000 port using AtherosTM AR8021
USB 2.0 port:
- Two USB2.0 Type A receptacles
- One USB2.0 signal to Mini PCIe slot
Dual RJ45 UART ports:
- DUART interface: supports two UARTs up to 115200 bps for console display
Signed-off-by: Zhicheng Fan <b32736@freescale.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Add usb controller version info for the following:
MPC8536, P1010, P1020, P1021, P1022, P1023, P2020, P2041,
P3041, P3060, P5020
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
P1021RDB-PC Overview
-----------------
1Gbyte DDR3 (on board DDR)
16Mbyte NOR flash
32Mbyte eSLC NAND Flash
256 Kbit M24256 I2C EEPROM
128 Mbit SPI Flash memory
Real-time clock on I2C bus
SD/MMC connector to interface with the SD memory card
PCIex
- x1 PCIe slot or x1 PCIe to dual SATA controller
- x1 mini-PCIe slot
USB 2.0
- ULPI PHY interface: SMSC USB3300 USB PHY and Genesys Logic’s GL850A
- Two USB2.0 Type A receptacles
- One USB2.0 signal to Mini PCIe slot
eTSEC1: Connected to RGMII PHY VSC7385
eTSEC2: Connected to SGMII PHY VSC8221
eTSEC3: Connected to SGMII PHY AR8021
DUART interface: supports two UARTs up to 115200 bps for console display
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Xu Jiucheng <B37781@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This compatible value will be used to distinguish some special features of APM821XX EMAC: no half duplex mode support, configuring jumbo frame.
Signed-off-by: Duc Dang <dhdang@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The FreeScale PowerQUICC-III-compatible (mpc85xx/mpc86xx) MPICs do not
correctly report the number of hardware interrupt sources, so software
needs to override the detected value with "256".
To avoid needing to write custom board-specific code to detect that
scenario, allow it to be easily overridden in the device-tree.
Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The Freescale MPIC (and perhaps others in the future) is incapable of
routing non-IPI interrupts to more than once CPU at a time. Currently
all of the Freescale boards msut pass the MPIC_SINGLE_DEST_CPU flag to
mpic_alloc(), but that information should really be present in the
device-tree.
Older board code can't rely on the device-tree having the property set,
but newer platforms won't need it manually specified in the code.
[BenH: Remove unrelated changes, folded in a different patch]
Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The MPIC code checks for a "big-endian" property and sets the flag
MPIC_BIG_ENDIAN if one is present, although prior to the "mpic->flags"
fixup that would never have worked anways.
Unfortunately, even now that it works properly, the Freescale mpic
device-node (the "PowerQUICC-III"-compatible one) does not specify it,
so all of the board ports need to manually pass it to mpic_alloc().
Document the flag and add it to the pq3 device tree. Existing code will
still need to pass the MPIC_BIG_ENDIAN flag because their dtb may not
have this property, but new platforms shouldn't need to do so.
Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Enable USB2 controller node for P1020RDB. USB2 controller is used only
when board boots from SPI or SD as it is muxed with eLBC
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
According to latest kernel, the auto-cmd12 property should be
"sdhci,auto-cmd12", and according to the SDHC binding and the workaround for
the special chip, add the chip compatible for eSDHC: "fsl,p1022-esdhc",
"fsl,mpc8536-esdhc", "fsl,p1020-esdhc", "fsl,p2020-esdhc" and
"fsl,p1010-esdhc".
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (185 commits)
powerpc: fix compile error with 85xx/p1010rdb.c
powerpc: fix compile error with 85xx/p1023_rds.c
powerpc/fsl: add MSI support for the Freescale hypervisor
arch/powerpc/sysdev/fsl_rmu.c: introduce missing kfree
powerpc/fsl: Add support for Integrated Flash Controller
powerpc/fsl: update compatiable on fsl 16550 uart nodes
powerpc/85xx: fix PCI and localbus properties in p1022ds.dts
powerpc/85xx: re-enable ePAPR byte channel driver in corenet32_smp_defconfig
powerpc/fsl: Update defconfigs to enable some standard FSL HW features
powerpc: Add TBI PHY node to first MDIO bus
sbc834x: put full compat string in board match check
powerpc/fsl-pci: Allow 64-bit PCIe devices to DMA to any memory address
powerpc: Fix unpaired probe_hcall_entry and probe_hcall_exit
offb: Fix setting of the pseudo-palette for >8bpp
offb: Add palette hack for qemu "standard vga" framebuffer
offb: Fix bug in calculating requested vram size
powerpc/boot: Change the WARN to INFO for boot wrapper overlap message
powerpc/44x: Fix build error on currituck platform
powerpc/boot: Change the load address for the wrapper to fit the kernel
powerpc/44x: Enable CRASH_DUMP for 440x
...
Fix up a trivial conflict in arch/powerpc/include/asm/cputime.h due to
the additional sparse-checking code for cputime_t.
The Freescale serial port's are pretty much a 16550, however there are
some FSL specific bugs and features. Add a "fsl,ns16550" compatiable
string to allow code to handle those FSL specific issues.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
PCI ranges, localbus reg and localbus chip-select 2 range do not match
the memory map setup by bootloader.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Systems which use the fsl_pq_mdio driver need to specify an
address for TBI PHY transactions such that the address does
not conflict with any PHYs on the bus (all transactions to
that address are directed to the onboard TBI PHY). The driver
used to scan for a free address if no address was specified,
however this ran into issues when the PHY Lib was fixed so
that all MDIO transactions were protected by a mutex. As it
is, the code was meant to serve as a transitional tool until
the device trees were all updated to specify the TBI address.
The best fix for the mutex issue was to remove the scanning code,
but it turns out some of the newer SoCs have started to omit
the tbi-phy node when SGMII is not being used. As such, these
devices will now fail unless we add a tbi-phy node to the first
mdio controller.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Benjamin Herrenschmidt