| Commit message (Collapse) | Author | Age | Lines |
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MIPS port has two problems in timer routines. One is now we assume CFG_HZ
equals to CP0 counter frequency, but this is wrong. CFG_HZ has to be 1000
in the U-Boot system.
The other is we don't have a proper time management counter like timestamp
other ARCHs have. We need the 32-bit millisecond clock counter.
This patch introduces timestamp and CYCLES_PER_JIFFY. timestamp is a
32-bit non-overflowing CFG_HZ counter, and CYCLES_PER_JIFFY is the number
of calculated CP0 counter cycles in a CFG_HZ.
STRATEGY:
* Fix improper CFG_HZ value to have 1000
* Use CFG_MIPS_TIMER_FREQ for timer counter frequency, instead.
* timer_init: initialize timestamp and set up the first timer expiration.
Note that we don't need to initialize CP0 count/compare registers here
as they have been already zeroed out on the system reset. Leave them as
they are.
* get_timer: calculate how many timestamps have been passed, then return
base-relative timestamp. Make sure we can easily count missed timestamps
regardless of CP0 count/compare value.
* get_ticks: return the current timestamp, that is get_timer(0).
Most parts are from good old Linux v2.6.16 kernel.
v2:
- Remove FIXME comments as they turned out to be trivial.
- Use CP0 compare register as a global variable for expirelo.
- Kill a global variable 'cycles_per_jiffy'. Use #define CYCLES_PER_JIFFY
instead.
Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Explicitly add in default CONFIG_BOOTP_* options where cmd_confdefs.h
used to be included but CONFIG_BOOTP_MASK was not defined.
Remove lingering references to CFG_CMD_* symbols.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
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Signed-off-by: Jon Loeliger <jdl@freescale.com>
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which makes the environment compatible with the hush shell.
WARNING: Support for the old '$(...)' syntax will be
discontinued in a later version.
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Old, obsolete and duplicated code was cleaned up and replace by the
new partitioning method. There are two possible approaches now:
* define a single, static partition
* use mtdparts command line option and dynamic partitioning
Default is static partitioning.
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enable SNTP support in some boards.
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Fixes for for OMAP1610 board:
- shift some IRQ specific code to platform.S file
- remove duplicatewatchdog reset code from start.S
* Make Auto-MDIX Support configurable on INCA-IP board
* Fix license for mkimage tool
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Prepare for 1.0.1 release
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environment variable which can set to "100", "133", or "150". The
CPU clock will be configured accordingly upon next reboot. Other
values are ignored. In case of an invalid or undefined "cpuclk"
value, the compile-time default CPU clock speed will be used.
* Enable Quad-UART on BMS2003 board (initialize the PCMCIA memory
window that is used to access the UART registers by the Linux driver)
* Patch by Reinhard Meyer, 20 Dec 2003:
Fix clock calculation for the MPC5200 for higher clock frequencies
(above 2**32 / 10 = 429.5 MHz).
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allow selection of clock frequency as "make" target
* Implement memory autosizing code for IceCube boards
* Configure network port on INCA-IP for autonegotiation
* Fix overflow problem in network timeout code
* Patch by Richard Woodruff, 8 Aug 2003:
Allow crc32 to be used at address 0x000 (crc32_no_comp, too).
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* MPC823 LCD driver: Fill color map backwards, to allow for steady
display when Linux takes over
* Patch by Erwin Rol, 27 Feb 2003:
Add support for RTEMS (this time for real).
* Add support for "bmp info" and "bmp display" commands to load
bitmap images; this can be used (for example in a "preboot"
command) to display a splash screen very quickly after poweron.
* Add support for 133 MHz clock on INCA-IP board
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Add IDMA example code (tested on 8260 only)
* Add support for Purple Board (MIPS64 5Kc)
* Add support for MIPS64 5Kc CPUs
* Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
* Patch by Denis Peter, 04 Apr 2003:
- update MIP405-4 board
* Patches by Denis Peter, 03 April 2003:
- fix PCI IRQs on MPL boards
- fix two more un-relocated pointer problems
* Fix behaviour of "run" command:
- print error message iv variable does not exist
- terminate processing of arguments in case of error
* Patches by Peter Figuli, 10 Mar 2003
- Add support for BTUART on PXA platform
- Add support for WEP EP250 (PXA) board
* Fix flash problems on INCA-IP; add tool to allow bruning images to
flash using a BDI2000
* Implement fix for I2C Edge Conditions problem for all boards that
use the bit-banging driver (common/soft_i2c.c)
* Add patches by Robert Schwebel, 31 Mar 2003:
- csb226 board: bring in sync with innokom/memsetup.S
- csb226 board: fix MDREFR handling
- misc doc fixes / extensions
- innokom board: cleanup, MDREFR fix in memsetup.S, config update
- add BOOT_PROGRESS to armlinux.c
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* Add support for INCA-IP Board
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