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* [ARM] 3121/1: unconditionally use XCB=101 on ixp2000Lennert Buytenhek2005-11-07
| | | | | | | | | | | | Patch from Lennert Buytenhek Since we have to use XCB=101 instead of XCB=000 on the ixp2400 to prevent it from regularly falling over, and since we have to deal with manual write buffer flushing because of that, we might as well use XCB=101 on all ixp2000 platforms since it's faster than XCB=000. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3114/1: use ixp2000_reg_wrb in ixp2000 uengine loaderLennert Buytenhek2005-11-06
| | | | | | | | | Patch from Lennert Buytenhek Make the uengine loader use ixp2000_reg_wrb in the right places. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] 3086/1: ixp2xxx error irq handlingDave Jiang2005-11-04
| | | | | | | | | | | | Patch from Dave Jiang This provides support for IXP2xxx error interrupt handling. Previously there was a patch to remove this (although the original stuff was broken). Well, now the error bits are needed again. These are used extensively by the micro-engine drivers according to Deepak and also we will need it for the new EDAC code that Alan Cox is trying to push into the main kernel. Re-submit of 3072/1, generated against git tree pulled today. AFAICT, this git tree pulled in all the ARM changes that's in arm.diff. Please let me know if there are additional changes. Thx! Signed-off-by: Dave Jiang <djiang@mvista.com> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix more 3016/1 breakageRussell King2005-11-03
| | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2005-11-02
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| * [ARM] 3052/1: add ixp2000 microcode loaderLennert Buytenhek2005-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek This patch adds a microcode loader for the ixp2000 architecture. The ixp2000 is an xscale-based CPU with a number of additional small CPUs ('microengines') on die that can be programmed to do various things. Depending on the ixp2000 model, there are between 2 and 16 microengines. This code provides an API that allows configuring the microengines, loading code into them, and starting and stopping them and reading out a number of status registers, and is used by the microengine network driver that was recently announced to netdev. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3065/1: ixp2000 typo and whitespace fixesLennert Buytenhek2005-11-01
| | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Misc ixp2000 typo and whitespace fixes. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3064/1: start using ixp2000_reg_wrbLennert Buytenhek2005-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Switch the users of ixp2000_reg_write that depend on writes being flushed out of the write buffer by the time that function returns over to ixp2000_reg_wrb. When using XCB=101, writes to the same functional unit are still guaranteed to complete in order, so we only need to protect against: - reordering of writes to different functional units - masking an interrupt and then reenabling the IRQ bit in CPSR Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] 3062/1: map in various enp2611 peripherals for the ixp2000 netdev driverLennert Buytenhek2005-11-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek The enp2611 version of the ixp2000 netdev driver needs to be able to access a number of on-board peripherals. ioremap() is not suitable for this, as that will cause XCB=000 mappings to be done, which will make the cpu susceptible to crashing on ixp2400 erratum #66. Properly aligned iotable mappings with MT_IXP2000_DEVICE will cause section mappings with XCB=101 to be done, which is safe. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | Create platform_device.h to contain all the platform device details.Russell King2005-10-29
|/ | | | | | | | Convert everyone who uses platform_bus_type to include linux/platform_device.h. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
* [ARM] 2984/1: Replace map_desc.physical with map_desc.pfn: IXP2000Deepak Saxena2005-10-28
| | | | | | | | | Patch from Deepak Saxena IXP2000 map_desc.pfn conversion Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: Fix IXP2000 serial port resource range. For real this time.Deepak Saxena2005-10-01
| | | | | | | | | Serial port only needs 32 bytes of resource space but we are currently asking for 64K. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> [ diff went missing first time due to corrupted patch ] Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [ARM] Don't include mach-types.h unnecessarilyRussell King2005-09-29
| | | | | | | | | It's pointless to include mach-types.h if you're not going to use anything from it. These references were removed as a result of: grep -lr 'asm/mach-types\.h' . | xargs grep -L 'machine_is_\|MACH_TYPE_\|MACHINE_START\|machine_type' Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [SERIAL] Use an enum for serial8250 platform device IDsRussell King2005-09-08
| | | | | | | | Rather than hard-coding the platform device IDs, enumerate them. We don't particularly care about the actual ID we get, just as long as they're unique. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Fix missed initialisers/missing commaRussell King2005-09-06
| | | | | | Fix the broken initialisers missed by the recent IRQ patch. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Wrap calls to descriptor handlersRussell King2005-09-04
| | | | | | | | | | This is part of Thomas Gleixner's generic IRQ patch, which converts ARM to use the generic IRQ subsystem. Here, we wrap calls to desc->handler() in an inline function, desc_handle_irq(). This reduces the size of Thomas' patch since the changes become more localised. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Change irq_chip wake/type methods to set_wake/set_typeRussell King2005-09-04
| | | | | | | | This is part of Thomas Gleixner's generic IRQ patch, which converts ARM to use the generic IRQ subsystem. Here, we rename two of the irq_chip methods - wake becomes set_wake, and type becomes set_type. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2793/1: platform serial support for ixp2000Lennert Buytenhek2005-07-10
| | | | | | | | | | | Patch from Lennert Buytenhek This patch converts the ixp2000 serial port over to a platform serial device. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: Remove machine description macrosRussell King2005-07-03
| | | | | | | Remove the pointless machine description macros, favouring C99 initialisers instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2757/1: remove ixdp2400_init_irq from ixdp2800 codeLennert Buytenhek2005-06-26
| | | | | | | | | | | | Patch from Lennert Buytenhek Compiling one kernel that supports both ixdp2400 and ixdp2800 gives an error, as a copy of the ixdp2400 irq init routing accidentally ended up in ixdp2800.c somehow. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2756/1: add ixp2000 msf mappingLennert Buytenhek2005-06-26
| | | | | | | | | | | | Patch from Lennert Buytenhek Add a mapping for the ixp2400 and ixp2800 msf unit. The msf is the ixp2000's 'media and switch fabric' unit, which handles the networking part of the chip. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: Add SA_TIMER flag to timer interruptsRussell King2005-06-26
| | | | | | | VST needs to know which timer handler is for the timer interrupt. Mark all timer interrupts with the SA_TIMER flag. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2752/1: disable ixp2000 PCI I/O software workaround on chips ↵Lennert Buytenhek2005-06-25
| | | | | | | | | | | | | | | | that don't need it Patch from Lennert Buytenhek The later ixp2000 models don't need the PCI I/O workaround that we currently perform. Add a config option to disable the workaround, and panic on boot if a kernel without the workaround is booted on a buggy chip. As only pre-production ixp2000s need the workaround, the default is for it not to be configured in. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2751/1: ixp2000 gpio cleanup broke ixdp2800 buildLennert Buytenhek2005-06-25
| | | | | | | | | | | | Patch from Lennert Buytenhek The ixp2000 gpio cleanup broke the ixdp2800 build as it moved some gpio-related functions from arch/platform.h to arch/gpio.h and the ixdp2x00 support code used those functions but didn't include the latter header file. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2750/1: add i2c platform device for enp2611 on-board i2c busLennert Buytenhek2005-06-25
| | | | | | | | | | | Patch from Lennert Buytenhek On the enp2611, GPIO 7 and 6 are connected to an on-board i2c bus that attaches to the SODIMM module slot (for SPD) and an LM84 temperature sensor. Add a platform device for this i2c bus. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2744/1: ixp2000 gpio irq supportLennert Buytenhek2005-06-24
| | | | | | | | | | | | | Patch from Lennert Buytenhek This patch cleans up the ixp2000 gpio irq code and implements the set_irq_type method for gpio irqs so that users can select for which events (falling edge/rising edge/level low/level high) on the gpio pin they want the corresponding gpio irq to be triggered. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2701/1: free up ixp2000 timer 4 for the watchdogLennert Buytenhek2005-06-20
| | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek The IXP2000 has four timers, but if we're on an A-step IXP2800, timer 2 and 3 don't work. We need two timers for timekeeping (one for the timer interrupt and one for tracking missed jiffies), so on early IXP2800s we have no other choice but to use timer 1 and 4 for that, but on all other IXP2000s we'd rather leave timer 4 free since that's the only timer we can use for the watchdog. So, on buggy IXP2000s (i.e. the A-step IXP2800) we use timer 4 for tracking missed jiffies, and on all all non-buggy IXP2000s (i.e. everything but the A-step IXP2800) we use timer 2. On a pre-production IXP2800, this patch should print these messages on boot: Enabling IXP2800 erratum #25 workaround Unable to use IXP2000 watchdog due to IXP2800 erratum #25 On any non-buggy IXP2800 (as well as on IXP2400s) you shouldn't see anything at all, and the watchdog should be usable again. Signed-off-by: Lennert Buytenhek Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2660/2: fix ixdp2800 boot and pci initLennert Buytenhek2005-04-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek The IXDP2800 is an evalution platform for the IXP2800 processor that has two IXP2800s connected to the same PCI bus. This is problematic as both CPUs will try to configure the PCI bus as they boot linux. Contrary to on the other IXP2000 platforms, the boot loader on the IXDP2800 doesn't configure the PCI bus properly, so we do want the linux instance on one of the CPUs to do that. Making one of the CPUs ignore the PCI bus (and thus act like a pure PCI slave device) is not an option because there is a 82559 NIC on the PCI bus for each of the CPUs. The chosen solution is to have the master CPU configure the PCI bus while the slave is kept in a quiescent state, and then to have the slave CPU scan the PCI bus (without assigning resources) while the master is kept in a quiescent state. After this ritual, the master deletes the slave NIC from its PCI device list, the slave deletes the master NIC from its device list, and (almost) all is well. There's still one little problem: each of the CPUs has a 1G SDRAM BAR, but the IXP2000 only has 512M of outbound PCI memory window. We solve this by hand-assigning the master and slave SDRAM BARs to a location outside each of the IXP's outbound PCI windows, and by having the rest of the BARs autoconfigured in the outbound PCI windows, in the range [e0000000..ffffffff], so that there is a 1:1 pci:phys mapping between them. Even with this patch, a number of issues still remain -- just imagine what happens if one of the CPUs is rebooted, by watchdog or by hand, but the other one isn't. But those issues are not easily fixable given the strange PCI layout of this board and the behavior of the boot loader shipped with the platform. Signed-off-by: Lennert Buytenhek Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2659/1: do not assign PCI I/O address zero on IXP2000Lennert Buytenhek2005-04-29
| | | | | | | | | | | | | | | | | Patch from Lennert Buytenhek Assigning the address zero to a PCI device BAR causes some part of the PCI subsystem to believe that resource allocation for that BAR failed due to resource conflicts, which will make attempts to enable the device fail. Work around this by assigning I/O addresses starting from 00010000. While we're at it, make the PCI I/O resource end at 0001ffff, since we only have 64k of outbound I/O window on the IXP2000, and we don't do bank switching. Signed-off-by: Lennert Buytenhek Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2658/1: start ixp2000 pci memory resource at 0xe0000000Lennert Buytenhek2005-04-29
| | | | | | | | | | | | | | | | Patch from Lennert Buytenhek On the IXDP2800, the bootloader does an awful job of configuring the PCI bus, so we make linux reconfigure everything. Having a 1:1 pci:phys address mapping generally simplifies everything, so try to allocate PCI addresses from the [e0000000..ffffffff] range, which is the physical address range of the outbound PCI window on the IXP2000. This does not affect any of the other IXP2000 platforms since they all use their bootloader's PCI resource assignment. Signed-off-by: Lennert Buytenhek Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [PATCH] ARM: 2657/1: export ixp2000_pci_config_addrLennert Buytenhek2005-04-29
| | | | | | | | | | | Patch from Lennert Buytenhek Export ixp2000_pci_config_addr, to be used by the IXDP2800 platform setup code to coordinate booting the master and slave NPU. Signed-off-by: Lennert Buytenhek Signed-off-by: Deepak Saxena Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-16
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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