- 27 Apr, 2007 12 commits
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Scott Wood authored
This fixes a few bugs in how dt_xlate_reg() handles address arrays: 1. copy_val() was copying into the wrong end of the array, resulting in random stack garbage at the other end. 2. dt_xlate_reg() was getting the result from the wrong end of the array. 3. add_reg() and sub_reg() were treating the arrays as little-endian rather than big-endian. 4. add_reg() only returned an error on a carry out of the entire array, rather than out of the naddr portion. 5. The requested reg resource was checked to see if it exceeded the size of the reg property, but not to see if it exceeded the size of the buffer. Signed-off-by:
Scott Wood <scottwood@freescale.com> Signed-off-by:
Paul Mackerras <paulus@samba.org>
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Milton Miller authored
Change the error message in gunzip_exactly to be more verbose. Besides the identifier being unrelated to the current function name, the user had no indication if the corruption was near the beginning or the end. Signed-off-by:
Milton Miller <miltonm@bga.com> Acked-by:
David Gibson <david@gibson.dropbear.id.au> Signed-off-by:
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Akinobu Mita authored
make help on powerpc says make install is available. But it failed due to no rule to make install. This patch enables make install to work. Signed-off-by:
Akinobu Mita <mita@fixstars.com> Signed-off-by:
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Benjamin Herrenschmidt authored
The string load/store instructions are unimplemented on some processors and slow (microcoded) on some others. It's simplest to just not use them at all. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Anton Blanchard authored
Whenever we enter xmon we get a WARN_ON out of the rtas code since it thinks interrupts are still on: Unable to handle kernel paging request for data at address 0x00000000 Faulting instruction address: 0xd000000000080008 cpu 0x3: Vector: 300 (Data Access) at [c0000000075dba00] pc: d000000000080008: .doit+0x8/0x40 [oopser] lr: c000000000077704: .sys_init_module+0x1664/0x1824 sp: c0000000075dbc80 msr: 9000000000009032 dar: 0 dsisr: 42000000 current = 0xc000000003fa64b0 paca = 0xc000000000694280 pid = 2260, comm = insmod ------------[ cut here ]------------ Badness at arch/powerpc/kernel/entry_64.S:651 Call Trace: [C0000000075DAE70] [C00000000000EB64] .show_stack+0x68/0x1b0 (unreliable) [C0000000075DAF10] [C000000000216254] .report_bug+0x94/0xe8 [C0000000075DAFA0] [C00000000047B140] __kprobes_text_start+0x178/0x584 [C0000000075DB040] [C0000000000044F4] program_check_common+0xf4/0x100 Signed-off-by: -
Will Schmidt authored
Convert a compound if-else blob to a switch statement. This better fits the kernel coding style. Signed-off-by:
Will Schmidt <will_schmidt@vnet.ibm.com> Signed-off-by:
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Domen Puncer authored
Fix typos + some cosmetic changes. Signed-off-by:
Domen Puncer <domen.puncer@telargo.com> Signed-off-by:
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Olof Johansson authored
Cpufreq driver for PA Semi PWRficient processors. Signed-off-by:
Egor Martovetsky <egor@pasemi.com> Signed-off-by:
Olof Johansson <olof@lixom.net> Signed-off-by:
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Olof Johansson authored
arch/powerpc/platforms/pasemi/gpio_mdio.c really depends on CONFIG_PHYLIB. Add a config option for it, allow for it to be disabled if needed and fix the dependency. Signed-off-by:
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Olof Johansson authored
arch/powerpc/platforms/pasemi/setup.c: In function 'pasemi_publish_devices': arch/powerpc/platforms/pasemi/setup.c:220: warning: implicit declaration of function 'of_platform_bus_probe' Signed-off-by:
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Stephen Rothwell authored
Due to conflicts with the network drivers tree. Signed-off-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
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Stephen Rothwell authored
This does drivers/machintosh and the hvc code. Signed-off-by:
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- 26 Apr, 2007 2 commits
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Paul Mackerras authored
This reverts commit d05c7a80, which included changes which should go via other subsystem maintainers.
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Paul Mackerras authored
This reverts commit 618d3adc, because it is superseded by 56997559.
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- 24 Apr, 2007 26 commits
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Alan Cox authored
Signed-off-by:
Alan Cox <alan@redhat.com> Signed-off-by:
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Alan Cox authored
pci_find_slot isn't hot-plug safe. Move this code to the pci hotplug safe equivalent and hold a refcount properly while doing make_one_node_map. Signed-off-by:
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David Gibson authored
32-bit powerpc systems define a macro, PHYS_FMT, giving a printf format string fragment for displaying physical addresses, since most 32-bit powerpc platforms use 32-bit physical addresses but a few use 64-bit physical addresses. This macro is used in exactly one place, a rare error message, where we can solve the problem more simply by just unconditionally casting the address up to 64-bit quantity before formatting it. This patch does so, meaning that as we bring MMU definitions from asm-ppc over to asm-powerpc, cleaning them up in the process, we don't need to implement this ugly macro (which additionally has a very bad name for something global). Signed-off-by:
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Stephen Rothwell authored
Replace uses with of_find_node_by_name and for_each_node_by_name. Signed-off-by:
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Stephen Rothwell authored
Replaced by of_find_node_by_type. Signed-off-by:
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Stephen Rothwell authored
Replaced by of_find_node_by_path. Signed-off-by:
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Stephen Rothwell authored
This old interface has no more users. Signed-off-by:
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Stephen Rothwell authored
This is an old interface and is replaced by of_find_compatible_node. Signed-off-by:
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David Gibson authored
BenH's commit a741e679 in powerpc.git, although (AFAICT) only intended to affect ppc64, also has side-effects which break 44x. I think 40x, 8xx and Freescale Book E are also affected, though I haven't tested them. The problem lies in unconditionally removing flush_tlb_pending() from the versions of flush_tlb_mm(), flush_tlb_range() and flush_tlb_kernel_range() used on ppc64 - which are also used the embedded platforms mentioned above. The patch below cleans up the convoluted #ifdef logic in tlbflush.h, in the process restoring the necessary flushes for the software TLB platforms. There are three sets of definitions for the flushing hooks: the software TLB versions (revised to avoid using names which appear to related to TLB batching), the 32-bit hash based versions (external functions) amd the 64-bit hash based versions (which implement batching). It also moves the declaration of update_mmu_cache() to always be in tlbflush.h (previously it was in tlbflush.h except for PPC64, where it was in pgtable.h). Booted on Ebony (440GP) and compiled for 64-bit and 32-bit multiplatform. Signed-off-by:
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Olof Johansson authored
Save the trap number in the case of getting a bad stack in an exception handler. It is sometimes useful to know what exception it was that caused this to happen. Without this, no trap number is reported. Signed-off-by:
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Michael Ellerman authored
Rename MPIC_BROKEN_U3 to something a little more descriptive. Its effect is to enable support for HT irqs behind the PCI-X/HT bridge on U3/U4 (aka. CPC9x5) parts. Signed-off-by:
Michael Ellerman <michael@ellerman.id.au> Signed-off-by:
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Grant Likely authored
Signed-off-by:
Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
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Geert Uytterhoeven authored
Use `unsigned long' for malloc sizes, to match common practice and types used by most callers and callees. Also use `unsigned long' for integers representing pointers in simple_alloc. Signed-off-by:
Geert Uytterhoeven <Geert.Uytterhoeven@eu.sony.com> Signed-off-by:
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David Gibson authored
This patch adds a driver to arch/powerpc/sysdev for the UIC, the on-chip interrupt controller from IBM/AMCC 4xx chips. It uses the new irq host mapping infrastructure. Signed-off-by:
David Gibson <dwg@au1.ibm.com> Signed-off-by:
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David Gibson authored
Now that we always take a device tree in arch/powerpc, there's no good reason not to allow a single kernel to support multiple embedded 4xx boards - the correct platform code can be selected based on the device tree information. Therefore, this patch re-arranges the 4xx Kconfig code to allow this. In addition we: - use "select" instead of depends to configure the correct config options for specific 4xx CPUs and workarounds, which makes the information about specific boards and CPUs less scattered. - Some old, unused (in arch/powerpc) config options are removed: WANT_EARLY_SERIAL, IBM_OCP, etc. Signed-off-by:
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Ananth N Mavinakayanahalli authored
For cases when probes are placed on instructions that can be emulated, don't take the single-step exception. Signed-off-by:
Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by:
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Ananth N Mavinakayanahalli authored
Emulate a few more instructions in software - especially useful during singlestepping (xmon/kprobes). Instructions emulated with this patch are mfcr/mtcr rX, mfxer/mtxer rX, mflr/mtlr rX, mfctr/mtctr rX and mr rA,rB. Signed-off-by:
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Scott Wood authored
This adds cuboot support for MPC83xx platforms. A device tree used with this must have linux,stdout-path in /chosen and linux,network-index in any network device nodes that need mac addresses assigned. Signed-off-by:
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Scott Wood authored
This file describes the bd_t struct, which is used by old versions of U-boot to pass information to the kernel. Platform code that needs to interoperate with such firmware can use this; it should not be used for anything new. Signed-off-by:
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Scott Wood authored
The cuImage target will build a uImage with bootwrapper code and a device tree. The default device tree and platform file are determined by the kernel configuration. Signed-off-by:
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Scott Wood authored
This provides a way to tell the bootwrapper makefile which device tree to include by default. The wrapper can still be invoked standalone to wrap with a different device tree without reconfiguring the kernel, if that is desired. The user will only be asked to provide a device tree if the platform selects CONFIG_WANT_DEVICE_TREE. Signed-off-by:
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Olof Johansson authored
MDIO driver for PHY's connected via GPIO as on the PA Semi Electra eval board. Signed-off-by:
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Olof Johansson authored
Oprofile support for PA6T, kernel side. Also rename the PA6T_SPRN.* defines to SPRN_PA6T.*. Signed-off-by:
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Olof Johansson authored
Reset MPIC on boot to clear some timer state that firmware might leave configured. Signed-off-by:
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Olof Johansson authored
Minor HID change. Firmware can't know that we want this set so we have to set it in the kernel. Signed-off-by:
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Olof Johansson authored
Device 0 function 0 on the root bus is really a two-function bus agent, but only the first function is visible. Because of this, we need to allow config accesses into the second range. Modify the check for valid offsets accordingly. Signed-off-by:
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