| Commit message (Collapse) | Author | Age | Files | Lines |
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Add netpoll support to allow use of netconsole.
Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
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Fix a couple of corner cases around interface up/down when jumbo frames are
configured. Resources weren't always freed and reallocated properly.
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
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This will remove some build warnings and doesn't stop us building any
drivers that we were building previously with these configs.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This eliminates a warning in builds that don't define
CONFIG_MEMORY_HOTPLUG.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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A couple of places are duplicating the function of
of_device_is_available; convert them to use it.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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IEEE 1275 defined a standard "status" property to indicate the operational
status of a device. The property has four possible values: okay, disabled,
fail, fail-xxx. The absence of this property means the operational status
of the device is unknown or okay.
This adds a function called of_device_is_available that checks the state
of the status property of a device. If the property is absent or set to
either "okay" or "ok", it returns 1. Otherwise it returns 0.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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This enables the FORCE_MAX_ZONEORDER Kconfig option for all PowerPC
systems. Previously, it was enabled only for 64-bit systems. We also
make the option selectable from the menu, so that the user can specify
different values. This is useful for 32-bit systems that need to
allocate more than 4MB of physically contiguous memory.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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__SPIN_LOCK_UNLOCKED is newer and is not deprecated.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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The code in arch_arm_kprobe was trying to set a breakpoint which
resulted in a page fault because the kernel text pages were write
protected. Disable the write protect when CONFIG_KPROBES is defined.
Signed-off-by: Ionut Nicu <ionut.nicu@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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We have an assembly version of strncmp for the bootwrapper, but not
for the kernel, so we end up using the C version in the kernel. This
takes the strncmp code from the bootup and copies it to the kernel
proper, adding two instructions so it copes correctly with len==0.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Replace logical "&&" by bit "&" for ISA_SPACE_MASK.
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Include the newly added Canyonlands and Yosemite ports in the mutli-board
440 defconfig.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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With a multiplatform kernel, once built we always have warp_setup_nand_flash()
called and NDFC probed, no matter what machine we actually run on. This
potentially can cause problems (such as kernel crash), since NDFC is probed at
a warp-predefined address.
Using machine_device_initcall() NAND devices are registered if we run on a warp only.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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This patch changes the "max-frame-size" property to 9000 for all gbit
enabled 4xx boards. All those ports generally support jumbo frames, so
let's give the user a chance to enable it.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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This patch fixes some problems in the Canyonlands 460EX and Glacier 460GT
dts files:
- Add "mdio-device = <&EMAC0>" to all all EMAC's except for EMAC0 itself
(the 460EX/GT only can access the PHY via the EMAC0 instance)
- Add TAH support to Canyonlands dts
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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This patch creates a common system reset routine for all 40x and 44x
systems. Previously only a 44x routine existed. But since this system
reset via the debug control register is common for 40x and 44x let's
share this code for all those platforms in ppc4xx_soc.c.
This patch also enables CONFIG_4xx_SOC for all 40x and 44x platforms.
Tested on Kilauea (405EX) and Canyonlands (440EX).
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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This target produces a flat binary rather than an ELF file,
fixes the entry point at the beginning of the image, and takes
a complete device tree with no fixups needed.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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The of_serial driver queries the current-speed property and attempts
to use it to register the custom_divisor property of the uart_port.
However, if current-speed is not set, then this code will dereference
a bad pointer. The fix is to only set custom_divisor when a
current-speed property appears in the device tree.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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The patch fixes a bug, where the PESDRn_UTLSET1 register was setup
wrongly resulting in a non working PCIe port 1. With this fix both
PCIe ports work fine again.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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Since the arch/powerpc PCI subsystem now does a complete re-assignment of
the resources, we can move from the unconditional PCIe PHY reset to the
conditional version. Now the PHY is only reset, if no link is established yet.
An additional PHY reset (one is already done in U-Boot) leads to problems
with some Atheros PCIe boards and some HP FPGA PCIe designs.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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Call dtc from the Makefile instead of the wrapper script so that the dt
blobs can be generated with a simple make invocation.
Using this patch allows board ports to trigger automatic building of .dtb
files by adding them to the image-y target list.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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show_mem() has no need to print the amount of free swap space manually
because show_free_areas() does this already and is called by the
former.
The two outputs only differ in text formatting:
printk("Free swap = %lukB\n", ...);
printk("Free swap: %6ldkB\n", ...);
Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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show_mem() has no need to print the amount of free swap space manually
because show_free_areas() does this already and is called by the
former.
The two outputs only differ in text formatting:
printk("Free swap = %lukB\n", ...);
printk("Free swap: %6ldkB\n", ...);
Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Robert P.J. Day proposed to use the macro FIELD_SIZEOF in replace of code
that matches its definition.
The modification was made using the following semantic patch
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@haskernel@
@@
#include <linux/kernel.h>
@depends on haskernel@
type t;
identifier f;
@@
- (sizeof(((t*)0)->f))
+ FIELD_SIZEOF(t, f)
@depends on haskernel@
type t;
identifier f;
@@
- sizeof(((t*)0)->f)
+ FIELD_SIZEOF(t, f)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Old-world powermacs don't set L2CR or L3CR on processor upgrade cards.
This simple patch allows the setting of L3CR via a kernel parameter
(like the existing kernel parameter to set L2CR).
Signed-off-by: Robert Brose <bob@qbjnet.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Split the device setup code in ps3_register_repository_device() in two
routines:
1. ps3_setup_static_device(), to handle the setup of static devices in the
PS3 repository, which can be __init,
2. ps3_setup_dynamic_device(), to handle the setup of storage devices that
may appear later in the PS3 repository.
This fixes a few section mismatch warnings.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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WARNING: vmlinux.o(.text+0xb41b0): Section mismatch in reference from the
function .add_memory() to the function .devinit.text:.arch_add_memory()
The function .add_memory() references
the function __devinit .arch_add_memory().
This is often because .add_memory lacks a __devinit
annotation or the annotation of .arch_add_memory is wrong.
arch_add_memory() is also not __devinit on other architectures
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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WARNING: vmlinux.o(.text+0x1e4c0): Section mismatch in reference from the
function .move_device_tree() to the function .init.text:.lmb_alloc_base()
The function .move_device_tree() references
the function __init .lmb_alloc_base().
This is often because .move_device_tree lacks a __init
annotation or the annotation of .lmb_alloc_base is wrong.
move_device_tree() is called from early_init_devtree() only, which is __init
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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If the platform doesn't support hpte_removebolted(), gracefully
return failure rather than success.
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add Wake-on-LAN support to the PS3 Gelic network driver.
Other OS WOL support was introduced in PS3 system firmware 2.20.
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add Wake-on-LAN support to the PS3 system-manager. Other OS WOL
support was introduced in PS3 system firmware 2.20.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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PS3 save power on halt:
- Replace infinite busy loops by smarter loops calling
lv1_pause() to save power.
- Add ps3_halt() and ps3_sys_manager_halt().
- Add __noreturn annotations.
Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Improve the debugging support of the PS3 bootwraper code:
o Increase the size of the PS3 bootwrapper overlay from 256 to 512 bytes to
allow for more debugging code in the overlay.
o Use the dot symbol to set the size of __system_reset_overlay. The
assembler will then emit an error if the overlay code is too big.
o Remove some unused instructions.
o Update the text describing the PS3 bootwrapper overlay.
o Add a check for null pointer writes.
o Change hcall return value from s64.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add a new routine ps3_get_speid() which returns the logical
SPE ID. This ID is needed for profiling support.
Signed-off-by: Takashi Yamamoto <TakashiA.Yamamoto@jp.sony.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Fix a typo bug 'unlikely(x) == y' and add an unlikely() call to
an unlikely code path in the PS3 interrupt routine ps3_get_irq().
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
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Add device tree file for Emerson KSI8560 board.
Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add default config for Emerson KSI8560 board.
Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add boot wrapper for Emerson KSI8560 board.
Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The KSI8560 is a single compact, mid-, or full-size Advanced Mezzanine Card
(AdvancedMC™) based on the Freescale™ Semiconductor MPC8560 PowerQUICC III™
microprocessor. This product will serve in data and signaling applications such
as signaling gateways (SGW) and softswitch signaling interface cards.
The board has altera maxii CPLD, that is used to obtain and manage board
configuration. Also there are two SCC UART serial consoles and FCC ethernet,
that is routed to the front panel, while other ethernet controlers (TSEC's) are
routed to the backplane.
Signed-off-by: Alexandr Smirnov <asmirnov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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This patch adds the L2 cache node to the Taishan 440GX dts file.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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This patch adds support for the 256k L2 cache found on some IBM/AMCC
4xx PPC's. It introduces a common 4xx SoC file (sysdev/ppc4xx_soc.c)
which currently "only" adds the L2 cache init code. Other common 4xx
stuff can be added later here.
The L2 cache handling code is a copy of Eugene's code in arch/ppc
with small modifications.
Tested on AMCC Taishan 440GX.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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Currently Haleakala uses the Kilauea platform code. This patch adds
"haleakala" to the compatible property, in case later kernel versions
will introduce a Haleakala platform code.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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The patch adds the Glacier dts. The Glacier is nearly identical to the
Canyonlands (460EX). Here the differences:
- 4 ethernet ports instead of 2
- no SATA port
- no USB port
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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Major 259 has been assigned by lanana. Use it. Also, publish
/dev/icap[0-k] as the device entries, and register platform devices
named 'icap' to be consistent.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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It appears that in some cases, the sync word might not be recognized
by the hardware correctly. If this happens, then attempting to read
from the port results in an unrecoverable error because of the design
of the FPGA core. This patch updates the code to check the status of
the device before reading the IDCODE, in order to avoid entering this
unrecoverable state. This patch also adds additional NOOP commands
into the sychronization sequence, which appears to be necessary to
avoid the condition on some hardware.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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Both the buffer-based and fifo-based icap cores have a status
register. Previously, this was only used internally to check whether
transactions have completed. However, the status can be useful to the
main driver as well. This patch exposes these status functions to the
main driver along with some masks for the differnet bits.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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This patch adds TAH (TCP/IP Acceleration Hardware) support to the
taishan 440GX dts. It depends on the NEWEMAC/tah patch that adds the
compatible "ibm,tah" property to the matching table.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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