Commit Graph

84722 Commits

Author SHA1 Message Date
Jesper Nilsson daa00b9caf CRIS: Add sched_clock to kernel/time.c
Also, clean up some whitespace errors.
2008-02-08 11:06:37 +01:00
Jesper Nilsson 60dead5a8c CRIS: Register cpus in kernel/setup.c
Also, fix some white space errors, and constify cpuinfo_op.
2008-02-08 11:06:37 +01:00
Jesper Nilsson 3ae8d8baab CRIS: Remove include of linux/init.h, not needed anymore. 2008-02-08 11:06:37 +01:00
Jesper Nilsson 6e0b688034 CRIS: Remove CONFIG_NO_IOMEM from ARTPEC-3 default config. 2008-02-08 11:06:37 +01:00
Jesper Nilsson 1b7e7da364 CRIS: Remove useless CVS log from kernel/ptrace.c
Also, fix some whitespace errors.
2008-02-08 11:06:37 +01:00
Jesper Nilsson f32bb79c97 CRIS: Remove useless CVS id and log from kernel/process.c 2008-02-08 11:06:37 +01:00
Jesper Nilsson 08cfeacb6b CRIS: Add configuration possibility for using kmalloc for modules.
Using kmalloc instead of vmalloc solves the stability problems
experienced by some 100 LX products.
2008-02-08 11:06:36 +01:00
Jesper Nilsson b4945a90d0 CRIS: Remove CONFIG_NO_IOMEM from default configs. 2008-02-08 11:06:36 +01:00
Jesper Nilsson baa69b121a CRIS v32: Fix startup oops and replace hardcoded pagesize in vmlinux.lds.S
- Move alignment of init data to page size outside define CONFIG_BLK_DEV_INITRD
  This avoids oops due to memory on the same page as init data being freed.
- Change hardcoded page size to use macro from asm/page.h
- Add reserved memory via CONFIG_ETRAX_VMEM_SIZE.
- Use available defines for TEXT_TEXT and INITCALLS.
- Cleanup whitespace.
2008-02-08 11:06:36 +01:00
Jesper Nilsson 52d82ef12a CRIS v32: Avoid work when switching between tasks with shared memory descriptors in mm/tlb.c
There is no need to do all this work if they share memory descriptors.
Also, fix some minor whitespace and long lines.
2008-02-08 11:06:36 +01:00
Jesper Nilsson 3d44305abe CRIS v32: Add workaround for MMU hardware bug for ETRAX FS in mm/mmu.S 2008-02-08 11:06:36 +01:00
Jesper Nilsson 108ecfbc31 CRIS v32: Fix bug in internal memory allocator mm/intmem.c
- Fix bug where allocated memory didn't account for alignment.
- Add support for ARTPEC-3
- Add module_init for crisv32_intmem_init.
2008-02-08 11:06:36 +01:00
Jesper Nilsson 0836c6d26f CRIS v32: Change name of simulator config to CONFIG_ETRAX_VCS_SIM in mm/init.c
- Remove unneded code for ETRAX FS and ARTPEC-3
2008-02-08 11:06:36 +01:00
Jesper Nilsson ea0af95b1c CRIS v32: Change lib/spinlock.S to use byte operations instead of dwords. 2008-02-08 11:06:36 +01:00
Jesper Nilsson ea402db97f CRIS v32: Move hw_settings.S to machine specific directories for ETRAX FS and ARTPEC-3 2008-02-08 11:06:35 +01:00
Jesper Nilsson 41f9412b20 CRIS v32: Update lib/checksum.S and lib/checksumcopy.S
- Slight tweaks, use $acr + addoq to propagate carry across the loop boundary.
- Better use of latency cycles.
- Remove duplicate folding of carry, it is not needed.
2008-02-08 11:06:35 +01:00
Jesper Nilsson 7674464cb3 CRIS v32: Add lib/delay to build. 2008-02-08 11:06:35 +01:00
Jesper Nilsson 48c87a4483 CRIS v32: Add precise delay loops for ETRAX FS and ARTPEC-3.
Implements cris_delay10ns.
2008-02-08 11:06:35 +01:00
Jesper Nilsson a474de0a02 CRIS v32: Update vcs_hook.c for ETRAX FS.
- Clean up some formatting and whitespace.
2008-02-08 11:06:35 +01:00
Jesper Nilsson 09160d7cc3 CRIS v32: Move vcs_hook to machine specific directory.
These files are different for ETRAX FS and ARTPEC-3.
2008-02-08 11:06:35 +01:00
Jesper Nilsson 538380da1a CRIS v32: Update kernel/smp.c for CRIS v32.
- Change include paths to machine specific headers (asm/arch/hwregs -> hwregs)
- Add cpu_possible_map as cpumask_t and export it.
- Drop struct pt_regs parameter from crisv32_ipi_interrupt.
- timer -> timer0
2008-02-08 11:06:35 +01:00
Jesper Nilsson 574852a2a5 CRIS v32: Update signal handling in kernel/signal.c
- do_signal now returns void, and does not have the previous signal set
  as a parameter.
- Remove sys_rt_sigsuspend, we can use the common one instead.
- Change sys_sigsuspend to be more like x86, don't call do_signal here.
- handle_signal, setup_frame and setup_rt_frame now return -EFAULT
  if we've delivered a segfault, which is used by callers to perform
  necessary cleanup.
- Break long lines, correct whitespace and formatting errors.
2008-02-08 11:06:35 +01:00
Jesper Nilsson 14e61bebb4 CRIS v32: Update boot/rescue/rescue.ld
- Update to work for ETRAX FS and ARTPEC-3
2008-02-08 11:06:35 +01:00
Jesper Nilsson 45a4127c10 CRIS v10: Update drivers/gpio.c, fix locking and general improvements.
- Change all spin_lock/local_irq_save to spin_lock_irqsave.
- Change multiple returns in functions where we have a lock to goto out.
- Correct number of arguments to gpio_poll_timer_interrupt, gpio_pa_interrupt.
- Break out gpio_write logic to smaller functions to make it readable.
- In setget_input and setget_output, avoid extra if-indent level.
- Change name LED_* -> CRIS_LED_* to avoid name clash.
- Don't use braces around single statement ifs.
- Fix whitespace errors.
- Remove useless CVS id and log.
2008-02-08 11:06:34 +01:00
Jesper Nilsson 46aac058fe CRIS: Add support for ETRAX FS and ARTPEC-3 to etraxgpio.h
The CRIS v32 architectures have more gpio ports and built in PWM.
2008-02-08 11:06:34 +01:00
Jesper Nilsson f2bbc96a40 CRIS v32: Change names of config variable and register field for data available.
- CONFIG_ETRAXFS_SIM -> CONFIG_ETRAX_VCS_SIM
- ser_intr_mask.data_avail -> ser_intr_mask.dav
2008-02-08 11:06:34 +01:00
Jesper Nilsson f64dd2191d CRIS v32: Change debug and formatting in kernel/fasttimer.c
- Don't use SANITYCHECK(x) as a macro, test FAST_TIMER_SANITY_CHECKS with
  ifdef. This makes it possible for automatic indent etc to work.
- Correct some whitespace errors.
- Don't initialize static variable.
2008-02-08 11:06:34 +01:00
Jesper Nilsson 43e6bd6aa8 CRIS v32: Update kernel/crisksyms.c
- Include pinmux.h from machine specific directory.
- Add some more symbols: crisv32_pinmux_alloc, crisv32_pinmux_dealloc_fixed,
  crisv32_io_get_name and crisv32_io_get
2008-02-08 11:06:34 +01:00
Jesper Nilsson cbca663488 CRIS v32: Remove config ifdef around init function for drivers/sync_serial.c
The init function should be defined always.
2008-02-08 11:06:34 +01:00
Jesper Nilsson 5adb5c873f CRIS v32: Remove drivers/gpio.c, now exists as machine specific file. 2008-02-08 11:06:34 +01:00
Jesper Nilsson 7edf744053 CRIS v32: Update driver for RTC chip pcf8563.
- Moved all calls to register_chrdev to a function called by module_init.
- Added mutex locking.
- Added better error handling at start up.
- Added BIN_TO_BCD of the month value before it is saved to the RTC.
- Corrected the month value returned by pcf8563_readreg.
- Cache the voltage low value at driver init so the battery status
  information does not get 'accidentally' cleared when setting the RTC time.
- Removed obsolete CONFIG_ETRAX_RTC_READONLY
- Voltage low ioctl():s RTC_VLOW_RD -> RTC_VL_READ, RTC_VLOW_SET -> RTC_VL_CLR
2008-02-08 11:06:34 +01:00
Jesper Nilsson d8ac17a0ee CRIS v32: Remove drivers/nandflash.h, now exists as machine specific file. 2008-02-08 11:06:34 +01:00
Jesper Nilsson 2c30da7175 CRIS v32: ETRAX FS Change name of LED macros in drivers/mach-fs/gpio.c to avoid collision. 2008-02-08 11:06:33 +01:00
Jesper Nilsson cacc0cc83f CRIS v32: Change name of LED macros in drivers/mach-a3/gpio.c to avoid collision. 2008-02-08 11:06:33 +01:00
Jesper Nilsson 935a847b98 CRIS v32: Change include path for hwregs in drivers/iop_fw_load.c
Also, remove useless CVS id tag.
2008-02-08 11:06:33 +01:00
Jesper Nilsson 635c45c195 CRIS v32: Rewrite of stream co-processor driver for ETRAX FS and ARTPEC-3
- Workaround for cachebug (Guinness TR 106).
- Add ARTPEC-3 support.
2008-02-08 11:06:33 +01:00
Jesper Nilsson a77dba6a4d CRIS v32: Replace build flags in boot/rescue/Makefile
- Change AFLAGS to asflags-y, LDFLAGS to ldflags-y and EXTRA_CFLAGS
  to ccflags-y. We only need the flags in this Makefile.
2008-02-08 11:06:33 +01:00
Jesper Nilsson 111e3b1aba CRIS v32: Replace build flags in boot/compressed/Makefile
- Change AFLAGS to asflags-y, LDFLAGS to ldflags-y and KBUILD_CFLAGS
  to ccflags-y. We only need the flags in this Makefile.
2008-02-08 11:06:33 +01:00
Jesper Nilsson 8f2972529f CRIS v10: Change name of low voltage read and set macros. 2008-02-08 11:06:33 +01:00
Jesper Nilsson a9d13fad8c CRIS v32: Remove useless CVS id tag from boot/compressed/README 2008-02-08 11:06:33 +01:00
Jesper Nilsson 3c1d9303a9 CRIS: Fix bugs in return value of atomic_inc_return and atomic_dec_return.
Increment and decrement before assigning to return value.
2008-02-08 11:06:33 +01:00
Jesper Nilsson b43890af88 CRIS: Allow arch dependent delay to override common version. 2008-02-08 11:06:32 +01:00
Jesper Nilsson 151f639830 CRIS: Include arch dependent bug.h. 2008-02-08 11:06:32 +01:00
Jesper Nilsson 620cf2e442 CRIS: Correct pfn_pte to make it possible to ioremap uncached addresses. 2008-02-08 11:06:32 +01:00
Jesper Nilsson 058f5fdfd9 CRIS: Correct comment in io.h to describe reality of I/O space.
The old comment stated that it was "junk needed for the arch-independent code
but which we never use in the CRIS port", but this is no longer true.
2008-02-08 11:06:32 +01:00
Jesper Nilsson 78759757df CRIS: Update cpu_possible_map and raw_smp_processor_id in smp.h header.
- Change name of __smp_processor_id to raw_smp_processor_id.
- cpu_possible_map is no longer a define for phys_cpu_present_map,
  it is now a cpumask_t.
2008-02-08 11:06:32 +01:00
Jesper Nilsson 9bf79539ed CRIS v10: Remove duplicated folding of carry from lib/checksum.S, it is not needed.
Also, remove useless CVS id tag.
2008-02-08 11:06:32 +01:00
Jesper Nilsson ab59284eae CRIS v10: Remove duplicated folding of carry from lib/checksumcopy.S, it is not needed.
Also, remove useless CVS id tag.
2008-02-08 11:06:32 +01:00
Jesper Nilsson 2afab729f5 CRIS v10: Clear TIF_SYSCALL_TRACE flag in ptrace_disable in kernel/ptrace.c 2008-02-08 11:06:32 +01:00
Jesper Nilsson b1220e2e7f CRIS v10: Update kernel/io_interface_mux.c
Fixed a bug where two interfaces using pins in the same pin group could
not be allocated at the same time even if there where no pin collisions.

Change all restore and returns into goto exit pattern.

Also, remove useless CVS id and correct chapter reference for ETRAX100LX
Designer's Reference in comment.
2008-02-08 11:06:32 +01:00