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2008-04-01[POWERPC] PS3: Gelic network driver Wake-on-LAN supportMasakazu Mokuno
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>
2008-04-01[POWERPC] PS3: Sys-manager Wake-on-LAN supportGeoff Levand
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>
2008-04-01[POWERPC] PS3: Save power in busy loops on haltGeert Uytterhoeven
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>
2008-04-01[POWERPC] PS3: Bootwrapper improvementsGeoff Levand
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>
2008-04-01[POWERPC] PS3: Add ps3_get_speid routineTakashi Yamamoto
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>
2008-04-01[POWERPC] PS3: Fix unlikely typo in ps3_get_irqRoel Kluin
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>
2008-04-01Merge branch 'powerpc-next' of ↵Paul Mackerras
master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
2008-03-26[POWERPC] 85xx: Emerson KSI8560 device treeAlexandr Smirnov
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>
2008-03-26[POWERPC] 85xx: Emerson KSI8560 default configAlexandr Smirnov
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>
2008-03-26[POWERPC] 85xx: Emerson KSI8560 bootwrapperAlexandr Smirnov
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>
2008-03-26[POWERPC] 85xx: Emerson KSI8560 base supportAlexandr Smirnov
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>
2008-03-26[POWERPC] 4xx: Add L2 cache node to AMCC Taishan dts fileStefan Roese
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>
2008-03-26[POWERPC] 4xx: Add PPC4xx L2-cache support (440GX)Stefan Roese
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>
2008-03-26[POWERPC] 4xx: Add "amcc, haleakala" to the toplevel compatible propertyStefan Roese
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>
2008-03-26[POWERPC] 4xx: Add AMCC Glacier 460GT eval board dtsStefan Roese
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>
2008-03-26[POWERPC] Xilinx: hwicap: Use fixed device major.Stephen Neuendorffer
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>
2008-03-26[POWERPC] Xilinx: hwicap: Verify sync before reading idcode.Stephen Neuendorffer
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>
2008-03-26[POWERPC] Xilinx: hwicap: Refactor status handling code.Stephen Neuendorffer
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>
2008-03-26[POWERPC] 4xx: Add TAH support to taishan dtsStefan Roese
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>
2008-03-26[POWERPC] 4xx: Use dcri_clrset() for PCIe indirect dcr read/modify/write accessValentine Barshak
Use dcri_clrset() for PCIe SDR0 read/modify/write access. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add dcri_clrset() for locked read/modify/write functionalityValentine Barshak
This adds dcri_clrset() macro which does read/modify/write on indirect dcr registers while holding indirect dcr lock. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add bootwrapper for AMCC Yosemite boardJosh Boyer
Add the cuboot wrapper for the AMCC 440EP Yosemite board Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add platform support for the AMCC Yosemite boardJosh Boyer
The AMCC 440EP Yosemite board is very similar to the original AMCC Bamboo board. This adds a YOSEMITE option to Kconfig, and reuses the existing bamboo board support in the kernel. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add AMCC 440EP Yosemite DTSJosh Boyer
This adds a DTS file for the AMCC 440EP Yosemite board. Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add Canyonlands defconfig fileStefan Roese
Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add 460EX PCIe support to 4xx pci driverStefan Roese
All this code is needed to properly initialize the 460EX PCIe host bridge(s). We re-initialize all ports again, even though this has been done in the bootloader (U-Boot) before. This way we make sure, that we always run the latest init code in Linux and don't depend on code versions from U-Boot. Unfortunately all IBM/AMCC chips currently supported in this PCIe driver need a different reset-/init-sequence. Tested on AMCC Canyonlands eval board. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add Canyonlands DTSStefan Roese
This dts source file for the AMCC 460EX Canyonlands evalutaion board Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add AMCC Canyonlands 460EX eval board support to platforms/44xStefan Roese
Canyonlands is the AMCC 460EX eval board, featuring nearly all of the 460EX interfaces: - 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane) - 2 * GBit Ethernet with TCP/IP acceleration - USB 2.0 Host/Device OTG and Host interface - SATA port Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] 4xx: Add AMCC 460EX/460GT support to cputable.c & cpu_setup_44x.SStefan Roese
This patch adds basic support for the AMCC 460EX/460GT PPC's to arch/powerpc. Currently those PPC's are still based on a 440 core and *not* a 460 core. Here some basic features of those SoC's: 460EX: - Up to 1.2GHz, 32kB L1 I-cache and D-cache, 256kB L2-cache, FPU - 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane) - 2 * GBit Ethernet with TCP/IP acceleration - USB 2.0 Host/Device OTG and Host interface - SATA controller - Optional security feature 460GT (only changes to 460EX): - 4 * GBit Ethernet with TCP/IP acceleration - RapidIO - No SATA - No USB Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26[POWERPC] Start removing linux,network-index in favour of aliasesDavid Gibson
This patch alters the bootwrapper for a number of machines (roubhly all 4xx based cuboot or treeboot platforms) to use aliases instead of the linux,network-index hack to work out which MAC address to attach to which ethernet device node. The now obsolete linux,network-index properties are removed from the corresponding device trees. This won't break backwards compatiblity, because in cases where this fixup code is relevant, the device tree is part of the kernel image. The references to linux,network-index are removed from booting-without-of.txt. Not only is it now deprecated, but as a hack applicable only when the device tree blob and fixup code were in the same image, this property never belonged in booting-without-of.txt which describes the interface between the kernel and firmware or bootloaders which produce a device tree. By the time the device tree reaches the kernel, all the MAC addresses must be fully filled in. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-03-26Merge branch 'linux-2.6'Paul Mackerras
2008-03-26[POWERPC] scanlog_init cleanup and minor fixesNathan Lynch
scanlog_init() could use some love. * properly return -ENODEV if this system doesn't support scan-log-dump * don't printk if scan-log-dump not present; only older systems have it * convert from create_proc_entry() to preferred proc_create() * allocate zeroed data buffer * fix potential memory leak of ent->data on failed create_proc_entry() * simplify control flow Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] Move a.out.h to header-y since it doesn't check __KERNEL__Robert P. J. Day
Since a.out.h doesn't check the value of __KERNEL__, there's no point in unifdef'ing it. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Inform kdump when phyp-dump is loadedManish Ahuja
This adds /sys/kernel/phyp_dump_active so that kdump init scripts may look for it and take appropriate action if this file is found. This file is only created when phyp_dump has been registered. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Disable phyp-dump through boot-varManish Ahuja
This adds a kernel command line option "phyp_dump", which takes a 0/1 value for disabling/ enabling phyp_dump at boot time. Kdump can use this on cmdline (phyp_dump=0) to disable phyp-dump during boot when enabling itself. This will ensure only one dumping mechanism is active at any given time. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Add Kconfig file optionManish Ahuja
Add hypervisor-assisted dump to kernel config. Signed-off-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Tracking memory range freedManish Ahuja
This tracks the size freed. For now it does a simple rudimentary calculation of the ranges freed. The idea is to keep it simple at the external shell script level and send in large chunks for now. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Invalidate and print dump areasManish Ahuja
This adds routines to a. invalidate dump b. calculate region that is reserved and needs to be freed. This is exported through sysfs interface. Unregister has been removed for now as it wasn't being used. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Debugging print routinesManish Ahuja
Provide some basic debugging support. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Register dump areaManish Ahuja
Set up the actual dump header, register it with the hypervisor. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Use sysfs to release reserved memManish Ahuja
Check to see if there actually is data from a previously crashed kernel waiting. If so, allow user-space tools to grab the data (by reading /proc/kcore). When user-space finishes dumping a section, it must release that memory by writing to sysfs. For example, echo "0x40000000 0x10000000" > /sys/kernel/release_region will release 256MB starting at the 1GB. The released memory becomes free for general use. Signed-off-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: Reserve and release memoryManish Ahuja
Initial patch for reserving memory in early boot, and freeing it later. If the previous boot had ended with a crash, the reserved memory would contain a copy of the crashed kernel data. Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] pseries: phyp dump: DocumentationManish Ahuja
Basic documentation for hypervisor-assisted dump. Signed-off-by: Linas Vepstas <linasvepstas@gmail.com> Signed-off-by: Manish Ahuja <mahuja@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] powerpc32: Remove asm-offsets ptrace cruftRoland McGrath
These items in asm-offsets.c are not used anywhere. This removes them. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] arch/powerpc/platforms/iseries/pci.c: Use time_* macrosS.Çağlar Onur
The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values. This implements usage of the time_after() macro, defined at linux/jiffies.h, which deals with wrapping correctly. Signed-off-by: S.Çağlar Onur <caglar@pardus.org.tr> Acked-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] Update wait_state_cycles in the VPATony Breeds
The hypervisor can look at the value in the wait_state_cycles field of the VPA for an estimate of how busy dedicated processors are. Currently, as the kernel never touches this field, we appear to be 100% busy. This records the duration the kernel is in powersave and passes that to the HV to provide a reasonable indication of utilisation. Signed-off-by: Tony Breeds <tony@bakeyournoodle.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] Don't touch PT_DTRACE in execRoland McGrath
The PT_DTRACE flag is meaningless and obsolete. Don't touch it. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] Really export empty_zero_pageStephen Rothwell
It was being protected by CONFIG_PPC32, but we want to export it on 64-bit also. This moves it out of the ifdef. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] maple: Enable ipr driver in defconfigNathan Lynch
Some machines supported by the maple platform have an Obsidian controller which can't be used without enabling CONFIG_IPR and the options on which it depends. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-03-26[POWERPC] maple: Kill fixup_maple_ideNathan Lynch
This function has been a no-op for about 18 months; it's there in the history should anyone need to resurrect it. Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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