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2011-03-17unicore32 time.c: change calculate method for clock_event_deviceGuanXuetao1-7/+2
apply clockevents_calc_mult_shift() to get rid of shift assignment and mult calculation for osmr0 -- by advice with Thomas Gleixner Signed-off-by: Guan Xuetao <[email protected]>
2011-03-17unicore32: ADD MAINTAINER for unicore32 architectureGuanXuetao1-0/+14
Add MAINTAINER list for unicore32 architecture and pkunity soc drivers. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc: Fix .size directive for do_int_loadBen Hutchings1-1/+1
gas used to accept (and ignore?) .size directives which referred to undefined symbols, as this does. In binutils 2.21 these are treated as errors. Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 machine related files: ps2 driverGuanXuetao2-0/+72
This patch implements arch-specific ps2 driver. By reviewed with Dmitry Torokhov: 1. move i8042-ucio.h to drivers/input/serio/i8042-unicore32io.h 2. move puv3_ps2_init() to arch/unicore32/kernel/puv3-core.c 3. remove unused comments. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Dmitry Torokhov <[email protected]>
2011-03-16sparc64: Fix build errors with gcc-4.6.0David S. Miller11-35/+36
Most of the warnings emitted (we fail arch/sparc file builds with -Werror) were legitimate but harmless, however one case (n2_pcr_write) was a genuine bug. Based almost entirely upon a patch by Sam Ravnborg. Reported-by: Dennis Gilmore <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 machine related files: pci bus handlingGuanXuetao3-0/+451
This patch implements arch-specific pci bus driver. Signed-off-by: Guan Xuetao <[email protected]>
2011-03-16sparc32,sun4m: percpu and global register definitions moved to irq.hSam Ravnborg2-21/+30
entry.S access percpu + global data defined in sun4m_irq.c - so move the types to irq.h. This makes sparse happy and allow us to utilize asm-offsets later. Also updated a few comments in the sun4m_irq.c file. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 machine related files: hardware registersGuanXuetao20-0/+1615
This patch adds all hardware registers definitions. Signed-off-by: Guan Xuetao <[email protected]>
2011-03-16sparc32: introduce build_device_irqSam Ravnborg4-54/+68
build_device_irq() is used to encapsulate the plaform specific details when we build an irq. For now the default is a simple 1:1 but sun4d differs. This patch refactors functionality - but does not change the existing functionality. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 machine related files: core filesGuanXuetao3-0/+440
This patch adds machine related core files, also including build infrastructure. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-17unicore32 additional architecture files: boot processGuanXuetao7-0/+546
This patch implements booting process, including uncompression process. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32: introduce sparc_irq_configSam Ravnborg7-18/+25
sparc_irq_config is used to hold the platform specific irq setup. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 additional architecture files: low-level lib: miscGuanXuetao10-0/+662
This patch implements the rest low-level libraries. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32: fix build with leon or floppy enabledSam Ravnborg4-15/+17
Add a few includes back required to build with floppy enabled Fix declaration of trapbase_cpu* so it is now consistent Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 additional architecture files: low-level lib: uaccessGuanXuetao8-0/+648
This patch implements low-level uaccess libraries. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc: convert to clocksource_register_hz/khzJohn Stultz1-3/+1
This converts the sparc clocksources to use clocksource_register_hz/khz Signed-off-by: John Stultz <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 additional architecture files: low-level lib: ocd debugGuanXuetao4-0/+269
This patch implements low-level debug libraries with On-Chip-Debugger hardware support. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc64: Sharpen address space randomization calculations.David S. Miller1-8/+13
A recent patch to the x86 randomization code caused me to take a quick look at what we do on sparc64, and in doing so I noticed that we sometimes calculate a non-page-aligned randomization value and stick it into mmap_base. I also noticed that since I copied the logic over from PowerPC, the powerpc code has tweaked the randomization ranges in ways that would benefit us as well. For one thing, we should allow up to at least 8MB of randomization otherwise huge-page regions when HPAGE_SIZE is 4MB never randomize at all. And on the 64-bit side we were using up to 4GB. Tone it down to 1GB as 4GB can result in a lot of address space wastage. Finally, make sure all computations are unsigned. Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 additional architecture files: ptrace handlingGuanXuetao2-0/+282
This patch adds ptrace support. Changed from previous version: 1. disable arch_has_single_step and remove single-step instruction handler 2. add 'Ross Biro 1/23/92' contributor information 3. clean unused codes Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32: irq_32.c cleanupSam Ravnborg1-137/+92
- drop filename in file header - drop unused includes - add KERN_* to printk - fix spaces => tabs - add spaces after reserved words - drop all externs, they are now in header files Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 additional architecture files: float point handlingGuanXuetao3-0/+205
This patch implements support for float point unit, which using UniCore-F64 FPU hardware in UniCore32 ISA. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32, sun4d: add comment in empty statement in sun4d_request_irq()Sam Ravnborg1-1/+2
This looked like a bug to me. Add a comment so next reader is hopefully less confused. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 additional architecture files: pm related filesGuanXuetao8-0/+1156
This patch adds pm related files, including hibernate and sleep supports. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32,sun4d: drop unused code in sun4d_distribute_irqs()Sam Ravnborg1-47/+0
The preprocessor symbol was not defined and the code was therefore not in use. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: signals handlingGuanXuetao2-0/+523
This patch implements signals. Signed-off-by: Guan Xuetao <[email protected]>
2011-03-16sparc32,sun4d: irq, smp files cleanupSam Ravnborg2-197/+174
- drop filename in file header - drop unused includes - add description of sun4d interrupts (from davem) - add KERN_* to printk - fix spaces => tabs - add spaces after reserved words - fix indent of a whole code block in smp4d_boot_one_cpu() Note: two printk() was updated from debug to KERN_INFO in this code block - drop all externs, they are now in header files This is partly based on a patch from: David Miller <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: interrupts ang gpio handlingGuanXuetao5-0/+811
This patch implements interrupts and gpio handling. UniCore32 has 9 gpio interrupt sources. And gpio device operations are also here. Signed-off-by: Guan Xuetao <[email protected]>
2011-03-17unicore32 core architecture: timer and time handlingGuanXuetao4-0/+825
This patch implements timer and time. RTC and PWM device drivers are also here. Signed-off-by: Guan Xuetao <[email protected]>
2011-03-16sparc32,sun4m: irq, smp files cleanupSam Ravnborg2-158/+115
- drop filename in file header - drop unused includes - add description of sun4m interrupts (from davem) - add KERN_* to printk - fix spaces => tabs - add spaces after reserved words - drop all externs, they are now in header files This is partly based on a patch from: David Miller <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: mm related: consistent device DMA handlingGuanXuetao10-0/+1207
This patch implements consistent device DMA handling of memory management. DMA device operations are also here. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32,sun4c: irq file cleanupSam Ravnborg1-37/+44
- drop filename in header - drop unused includes - add description of sun4c interrupts (from davem) - add spaces after reserved words This is partly based on a patch from: David Miller <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: mm related: fault handlingGuanXuetao10-0/+2247
This patch implements fault handling of memory management. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32: add irq + smp declarations to headersSam Ravnborg5-13/+68
In preparation for cleaning up a number of files add declarations for irq and smp related data/functions to the relevant headers. This showed that the extern declaration of cputypval differed in the two files where it was used. As cputypval is defined like this: cputypval: .asciz "sun4c" the correct representation is a char array. Fix users to use the new declaration. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: mm related: generic codesGuanXuetao13-0/+1390
This patch includes generic codes for memory management. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32: remove tick14.cSam Ravnborg3-44/+0
The two methods included in tick14.c was nop because the static variable linux_lvl14 was always NULL. So remove the file and callers. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: process/thread related codesGuanXuetao6-0/+912
This patch implements process/thread related codes. Backtrace and stacktrace are here. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-17unicore32 core architecture: low level entry and setup codesGuanXuetao6-0/+1820
This patch implements low level entry and setup codes. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-17unicore32 core architecture: processor and system headersGuanXuetao10-0/+810
This patch includes processor and system headers. System call interface is here. We used the syscall interface the same as asm-generic version. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32/leon: FPU-FSR only available when FPU presentDaniel Hellstrom1-1/+1
Signed-off-by: Daniel Hellstrom <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17unicore32 core architecture: generic elf and ksyms stuffGuanXuetao8-0/+571
This patch includes some generic stuff including elf and ksyms. Because all one-line asm-generic headers are auto-generated by ASM_GENERIC_HEADERS in arch/unicore32/Makefile, so the rest seems very little. ELF handling functions and module handling functions are also here. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-17unicore32 core architecture: build infrastructureGuanXuetao9-0/+758
This patch implements build infrastructure. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-17asm-generic headers: add arch-specific __strnlen_user calling in uaccess.hGuanXuetao1-3/+5
This patch changes the implementation of strnlen_user in include/asm-generic/uaccess.h. Originally, it calls strlen() function directly, which may not correctly handle the access of user space in most mmu-enabled architectures. New __strnlen_user is added for using as an architecture specific function. Signed-off-by: Guan Xuetao <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]>
2011-03-16SPARC/LEON: power down instruction different of different LEONsDaniel Hellstrom5-17/+97
The way a LEON is powered down is implemented differently depending on CHIP type. The AMBA Plug&Play system ID tells revision of GRLIB and CHIP. This is for example needed by the GR-LEON4-ITX board and the UT699. Previously the power down support for LEON was limited to SMP, now both SMP and UP systems use the instruction. Signed-off-by: Daniel Hellstrom <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17asm-generic headers: add ftrace.hGuanXuetao1-0/+16
This patch adds ftrace.h into asm-generic headers. The file content could be empty in most architectures. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc32: added U-Boot build target: uImageDaniel Hellstrom3-1/+66
This is only for LEON as u-boot for SPARC only supports LEON. Signed-off-by: Daniel Hellstrom <[email protected]> Acked-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17asm-generic headers: add sizes.hGuanXuetao1-0/+47
This patch adds sizes.h into asm-generic headers. Only 32-bit version supported. Signed-off-by: Guan Xuetao <[email protected]> Acked-by: Arnd Bergmann <[email protected]>
2011-03-16sparc64: rename virt_irq => irq - IISam Ravnborg7-53/+53
The generic irq support uses the term 'irq' for the allocated irq number. Fix it so sparc64 use the same term for an irq as the generic irq support does. For a naive reader this is less confusing. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-17asm-generic: fix inX/outX functions for architectures that have PCIGuanXuetao1-14/+19
The definitions for the PC-style PIO functions in asm-generic/io.h were meant as dummies so you could compile code on architectures without ISA and PCI buses. However, unicore32 actually wants to use them with a real PCI bus, so they need to be defined to actually address the register window holding the I/O ports. Signed-off-by: Arnd Bergmann <[email protected]>
2011-03-16sparc64: rename virt_irq => irq - ISam Ravnborg2-80/+77
The generic irq support uses the term 'irq' for the allocated irq number. Fix it so sparc64 use the same term for an irq as the generic irq support does. For a naive reader this is less confusing. Signed-off-by: Sam Ravnborg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2011-03-16sparc64: use up-to-data genirq functionsSam Ravnborg2-59/+61
Drop all uses of deprecated genirq features. The irq_set_affinity() call got a third paramter 'force' which is unused. For now genirq does not use this paramter and it is ignored by sparc. Signed-off-by: Sam Ravnborg <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Josip Rodin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
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