2005-04-17 02:20:36 +04:00
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Sat May 12 12:00 2001 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.3c
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- Ensure LEDC bit in GPCNTL is cleared when reading the NVRAM.
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Fix sent by Stig Telfer <stig@api-networks.com>.
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- Backport from SYM-2 the work-around that allows to support
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hardwares that fail PCI parity checking.
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- Check that we received at least 8 bytes of INQUIRY response
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for byte 7, that contains device capabilities, to be valid.
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- Define scsi_set_pci_device() as nil for kernel < 2.4.4.
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- + A couple of minor changes.
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Sat Apr 7 19:30 2001 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.3b
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- Fix an unaligned LOAD from scripts (was used as dummy read).
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- In ncr_soft_reset(), only try to ABORT the current operation
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for chips that support SRUN bit in ISTAT1 and if SCRIPTS are
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currently running, as 896 and 1010 manuals suggest.
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- In the CCB abort path, do not assume that the CCB is currently
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queued to SCRIPTS. This is not always true, notably after a
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QUEUE FULL status or when using untagged commands.
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Sun Mar 4 18:30 2001 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.3a
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- Fix an issue in the ncr_int_udc() (unexpected disconnect)
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handling. If the DSA didn't match a CCB, a bad write to
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memory could happen.
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Mon Feb 12 22:30 2001 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.3
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- Support for hppa.
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Tiny patch sent to me by Robert Hirst.
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- Tiny patch for ia64 sent to me by Pamela Delaney.
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Tue Feb 6 13:30 2001 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.3-pre1
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- Call pci_enable_device() as AC wants this to be done.
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- Get both the BAR cookies used by CPU and actual PCI BAR
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values used from SCRIPTS. Recent PCI chips are able to
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access themselves using internal cycles, but they compare
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BAR values to destination address to make decision.
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Earlier chips simply use PCI transactions to access IO
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registers from SCRIPTS.
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The bus_dvma_to_mem() interface that reverses the actual
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PCI BAR value from the BAR cookie is now useless.
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This point had been discussed at the list and the solution
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got approved by PCI code maintainer (Martin Mares).
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- Merge changes for linux-2.4 that declare the host template
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in the driver object also when the driver is statically
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linked with the kernel.
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- Increase SCSI message size up to 12 bytes, given that 8
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bytes was not enough for the PPR message (fix).
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- Add field 'maxoffs_st' (max offset for ST data transfers).
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The C1010 supports offset 62 in DT mode but only 31 in
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ST mode, to 2 different values for the max SCSI offset
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are needed. Replace the obviously wrong masking of the
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offset against 0x1f for ST mode by a lowering to
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maxoffs_st of the SCSI offset in ST mode.
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- Refine a work-around for the C1010-66. Revision 1 does
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not requires extra cycles in DT DATA OUT phase.
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- Add a missing endian-ization (abrt_tbl.addr).
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- Minor clean-up in the np structure for fields accessed
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from SCRIPTS that requires special alignments.
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Sun Sep 24 21:30 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.2
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- Remove the hack for PPC added in previous driver version.
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- Add FE_DAC feature bit to distinguish between 64 bit PCI
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addressing (FE_DAC) and 64 bit PCI interface (FE_64BIT).
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- Get rid of the boot command line "ultra:" argument.
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This parameter wasn't that clever since we can use "sync:"
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for Ultra/Ultra2 settings, and for Ultra3 we may want to
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pass PPR options (for now only DT clocking).
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- Add FE_VARCLK feature bit that indicates that SCSI clock
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frequency may vary depending on board design and thus,
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the driver should try to evaluate the SCSI clock.
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- Simplify the way the driver determine the SCSI clock:
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ULTRA3 -> 160 MHz, ULTRA2 -> 80 MHz otherwise 40 MHz.
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Measure the SCSI clock frequency if FE_VARCLK is set.
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- Remove FE_CLK80 feature bit that got useless.
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- Add support for the SYM53C875A (Pamela Delaney).
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Wed Jul 26 23:30 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.1
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2009-01-03 11:00:37 +03:00
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- Provide OpenFirmware path through the proc FS on PPC.
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2005-04-17 02:20:36 +04:00
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- Download of on-chip SRAM using memcpy_toio() doesn't work
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on PPC. Restore previous method (MEMORY MOVE from SCRIPTS).
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- Remove trailing argument #2 from a couple of #undefs.
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Sun Jul 09 16:30 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.7.0
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- Remove the PROFILE C and SCRIPTS code.
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This facility was not this useful and thus was not longer
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desirable given the increasing complexity of the driver code.
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- Merges from FreeBSD sym-1.6.2 driver:
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* Clarify memory barriers needed by the driver for architectures
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that implement a weak memory ordering.
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* Simpler handling of illegal phases and data overrun from
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SCRIPTS. These errors are now immediately reported to
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the C code by an interrupt.
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* Sync the residual handling code with sym-1.6.2 and now
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report `resid' to user for linux version >= 2.3.99
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- General cleanup:
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Move definitions for barriers and IO/MMIO operations to the
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sym53c8xx_defs.h header files. They are now shared by the
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both drivers.
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Remove unused options that claimed to optimize for the 896.
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If fact, they were not this clever. :)
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Use SCSI_NCR_IOMAPPED instead of NCR_IOMAPPED.
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Remove a couple of unused fields from data structures.
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Thu May 11 12:40 2000 Pam Delaney (pam.delaney@lsil.com)
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* version sym53c8xx-1.6b
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- Merged version.
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Mon Apr 24 12:00 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5m
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- Return value 1 (instead of 0) from the driver setup routine.
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- Do not enable PCI DAC cycles. This just broke support for
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SYM534C896 on sparc64. Problem fixed by David S. Miller.
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Fri Apr 14 9:00 2000 Pam Delaney (pam.delaney@lsil.com)
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* version sym53c8xx-1.6b-9
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- Added 53C1010_66 support.
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- Small fix to integrity checking code.
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- Removed requirement for integrity checking if want to run
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at ultra 3.
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Sat Apr 1 12:00 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5l
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- Tiny change for __sparc__ appeared in 2.3.99-pre4.1 that
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applies to cache line size (? Probably from David S Miller).
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- Make sure no data transfer will happen for Scsi_Cmnd requests
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that supply SCSI_DATA_NONE direction (this avoids some BUG()
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statement in the PCI code when a data buffer is also supplied).
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Sat Mar 11 12:00 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.6b-5
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- Test against expected data transfer direction from SCRIPTS.
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- Add support for the new dynamic dma mapping kernel interface.
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Requires Linux-2.3.47 (tested with pre-2.3.47-6).
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Many thanks to David S. Miller for his preliminary changes
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that have been useful guidelines.
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- Get data transfer direction from the scsi command structure
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(Scsi_Cmnd) with kernels that provide this information.
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Mon Mar 6 23:30 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5k
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- Test against expected data transfer direction from SCRIPTS.
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- Revert the change in 'ncr_flush_done_cmds()' but unmap the
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scsi dma buffer prior to queueing the command to our done
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list.
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- Miscellaneous (minor) fixes in the code added in driver
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version 1.5j.
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Mon Feb 14 4:00 2000 Pam Delaney (pam.delaney@lsil.com)
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* version sym53c8xx-pre-1.6b-2.
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- Updated the SCRIPTS error handling of the SWIDE
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condition - to remove any reads of the sbdl
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register. Changes needed because the 896 and 1010
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chips will check parity in some special circumstances.
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This will cause a parity error interrupt if not in
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data phase. Changes based on those made in the
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FreeBSD driver version 1.3.2.
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Sun Feb 20 11:00 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5j
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- Add support for the new dynamic dma mapping kernel interface.
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Requires Linux-2.3.47 (tested with pre-2.3.47-6).
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Many thanks to David S. Miller for his preliminary changes
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that have been useful guidelines, for having reviewed the
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code and having tested this driver version on Ultra-Sparc.
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- 2 tiny bugs fixed in the PCI wrapper that provides support
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for early kernels without pci device structure.
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- Get data transfer direction from the scsi command structure
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(Scsi_Cmnd) with kernels that provide this information.
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- Fix an old bug that only affected 896 rev. 1 when driver
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profile support option was set in kernel configuration.
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Fri Jan 14 14:00 2000 Pam Delaney (pam.delaney@lsil.com)
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* version sym53c8xx-pre-1.6b-1.
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- Merge parallel driver series 1.61 and 1.5e
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Tue Jan 11 14:00 2000 Pam Delaney (pam.delaney@lsil.com)
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* version sym53c8xx-1.61
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- Added support for mounting disks on wide-narrow-wide
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scsi configurations.
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- Modified offset to be a maximum of 31 in ST mode,
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62 in DT mode.
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- Based off of 1.60
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Mon Jan 10 10:00 2000 Pam Delaney (pam.delaney@lsil.com)
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* version sym53c8xx-1.60
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- Added capability to use the integrity checking code
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in the kernel (optional).
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- Added PPR negotiation.
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- Added support for 53C1010 Ultra 3 part.
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- Based off of 1.5f
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Sat Jan 8 22:00 2000 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5h
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- Add year 2000 copyright.
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- Display correctly bus signals when bus is detected wrong.
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- Some fix for Sparc from DSM that went directly to kernel tree.
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Mon Dec 6 22:00 1999 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5g
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- Change messages written by the driver at initialisation and
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through the /proc FS (rather cosmetic changes that consist in
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printing out the PCI bus number and PCI device/function).
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- Ensure the SCRIPTS processor is stopped while calibrating the
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SCSI clock (the initialisation code has been a bit reworked).
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Change moved to the FreeBSD sym_hipd driver).
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- Some fixes in the MODIFY_DP/IGN_RESIDUE code and residual
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calculation (moved from FreeBSD sym_hipd driver).
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- Add NVRAM support for Tekram boards that use 24C16 EEPROM.
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Code moved from the FreeBSD sym_hipd driver, since it has
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been that one that got this feature first.
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- Definitely disable overlapped PCI arbitration for all dual
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function chips, since I cannot make sure for what chip revisions
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it is actually safe.
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- Add support for the SYM53C1510D (also for ncr53c8xx).
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- Fix up properly the PCI latency timer when needed or asked for.
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- Get rid of the old PCI bios interface, but preserve kernel 2.0
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compatibility from a simple wrapper.
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- Update the poor Tekram sync factor table.
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- Fix in a tiny 'printk' bug that may oops in case of extended
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errors (unrecovered parity error, data overrun, etc ...)
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(Sent by Pamela Delaney from LSILOGIC)
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- Remove the compilation condition about having to acquire the
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io_request_lock since it seems to be a definite feature now.:)
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- Change get_pages by GetPages since Linux >= 2.3.27 now wants
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get_pages to ever be used as a kernel symbol (from 2.3.27).
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- proc_dir structure no longer needed for kernel >= 2.3.27.
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Sun Oct 3 19:00 1999 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5f
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- Change the way the driver checks the PCI clock frequency, so
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that overclocked PCI BUS up to 48 MHz will not be refused.
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The more the BUS is overclocked, the less the driver will
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guarantee that its measure of the SCSI clock is correct.
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- Backport some minor improvements of SCRIPTS from the sym_hipd
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driver.
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- Backport the code rewrite of the START QUEUE dequeuing (on
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bad scsi status received) from the sym_hipd driver.
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Sat Sep 11 11:00 1999 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5e
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- New linux-2.3.13 __setup scheme support added.
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- Cleanup of the extended error status handling:
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Use 1 bit per error type.
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- Also save the extended error status prior to auto-sense.
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- Add the FE_DIFF chip feature bit to indicate support of
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diff probing from GPIO3 (825/825A/876/875).
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- Remove the quirk handling that has been useless since day one.
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- Work-around PCI chips being reported twice on some platforms.
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- Add some redundant PCI reads in order to deal with common
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bridge misbehaviour regarding posted write flushing.
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- Add some other conditionnal code for people who have to deal
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with really broken bridges (they will have to edit a source
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file to try these options).
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- Handle correctly (hopefully) jiffies wrap-around.
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- Restore the entry used to detect 875 until revision 0xff.
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(I removed it inadvertently, it seems :) )
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- Replace __initfunc() which is deprecated stuff by __init which
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is not yet so. ;-)
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- Rewrite the MESSAGE IN scripts more generic by using a MOVE
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table indirect. Extended messages of any size are accepted now.
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(Size is limited to 8 for now, but a constant is just to be
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increased if necessary)
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- Fix some bug in the fully untested MDP handling:) and share
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some code between MDP handling and residual calculation.
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- Calculate the data transfer residual as the 2's complement
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integer (A positive value in returned on data overrun, and
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a negative one on underrun).
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- Add support of some 'resource handling' for linux-2.3.13.
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Basically the BARs have been changed to something more complex
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in the pci_dev structure.
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- Remove some deprecated code.
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Sat Jun 5 11:00 1999 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5c
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- Do not negotiate on auto-sense if we are currently using 8 bit
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async transfer for the target.
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- Only check for SISL/RAID on i386 platforms.
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(A problem has been reported on PPC with that code).
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- On MSG REJECT for a negotiation, the driver attempted to restart
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the SCRIPT processor when this one was already running.
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Sat May 29 12:00 1999 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5b
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- Force negotiation prior auto-sense.
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This ensures that the driver will be able to grab the sense data
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from a device that has received a BUS DEVICE RESET message from
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another initiator.
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- Complete all disconnected CCBs for a logical UNIT if we are told
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about a UNIT ATTENTION for a RESET condition by this target.
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- Add the control command 'cleardev' that allows to send a ABORT
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message to a logical UNIT (for test purpose).
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Tue May 25 23:00 1999 Gerard Roudier (groudier@club-internet.fr)
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* version sym53c8xx-1.5a
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- Add support for task abort and bus device reset SCSI message
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and implement proper synchonisation with SCRIPTS to handle
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correctly task abortion without races.
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- Send an ABORT message (if untagged) or ABORT TAG message (if tagged)
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when the driver is told to abort a command that is disconnected and
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complete the command with appropriate error.
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If the aborted command is not yet started, remove it from the start
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queue and complete it with error.
|
|
|
|
- Add the control command 'resetdev' that allows to send a BUS
|
|
|
|
DEVICE RESET message to a target (for test purpose).
|
|
|
|
- Clean-up some unused or useless code.
|
|
|
|
|
|
|
|
Fri May 21 23:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.5
|
|
|
|
- Add support for CHMOV with Wide controllers.
|
|
|
|
- Handling of the SWIDE (low byte residue at the end of a CHMOV
|
|
|
|
in DATA IN phase with WIDE transfer when the byte count gets odd).
|
|
|
|
- Handling of the IGNORE WIDE RESIDUE message.
|
|
|
|
Handled from SCRIPTS as possible with some optimizations when both
|
|
|
|
a wide device and the controller are odd at the same time (SWIDE
|
|
|
|
present and IGNORE WIDE RESIDUE message on the BUS at the same time).
|
|
|
|
- Check against data OVERRUN/UNDERRUN condition at the end of a data
|
|
|
|
transfer, whatever a SWIDE is present (OVERRUN in DATA IN phase)
|
|
|
|
or the SODL is full (UNDERRUN in DATA out phase).
|
|
|
|
- Handling of the MODIFY DATA POINTER message.
|
|
|
|
This one cannot be handled from SCRIPTS, but hopefully it will not
|
|
|
|
happen very often. :)
|
|
|
|
- Large rewrite of the SCSI MESSAGE handling.
|
|
|
|
|
|
|
|
Sun May 9 11:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.4
|
|
|
|
- Support for IMMEDIATE ARBITRATION.
|
|
|
|
See the README file for detailed information about this feature.
|
|
|
|
Requires both a compile option and a boot option.
|
|
|
|
- Minor SCRIPTS optimization in reselection pattern for LUN 0.
|
|
|
|
- Simpler algorithm to deal with SCSI command starvation.
|
|
|
|
Just use 2 tag counters in flip/flop and switch to the other
|
|
|
|
one every 3 seconds.
|
|
|
|
- Do some work in SCRIPTS after the SELECT instruction and prior
|
|
|
|
to testing for a PHASE. SYMBIOS say this feature is working fine.
|
|
|
|
(Btw, only problems with Toshiba 3401B had been reported).
|
|
|
|
- Measure the PCI clock speed and do not attach controllers if
|
|
|
|
result is greater than 37 MHz. Since the precision of the
|
|
|
|
algorithm (from Stefan Esser) is better than 2%, this should
|
|
|
|
be fine.
|
|
|
|
- Fix the misdetection of SYM53C875E (was detected as a 876).
|
|
|
|
- Fix the misdetection of SYM53C810 not A (was detected as a 810A).
|
|
|
|
- Support for up to 256 TAGS per LUN (CMD_PER_LUN).
|
|
|
|
Currently limited to 255 due to Linux limitation. :)
|
|
|
|
- Support for up to 508 active commands (CAN_QUEUE).
|
|
|
|
- Support for the 53C895A by Pamela Delaney <pam.delaney@lsil.com>
|
|
|
|
The 53C895A contains all of the features of the 896 but has only
|
|
|
|
one channel and has a 32 bit PCI bus. It does 64 bit PCI addressing
|
|
|
|
using dual cycle PCI data transfers.
|
|
|
|
- Miscellaneous minor fixes.
|
|
|
|
- Some additions to the README.ncr53c8xx file.
|
|
|
|
|
|
|
|
Tue Apr 15 10:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.3e
|
|
|
|
- Support for any number of LUNs (64) (SPI2-compliant).
|
|
|
|
(Btw, this may only be ever useful under linux-2.2 ;-))
|
|
|
|
|
|
|
|
Sun Apr 11 10:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.3d
|
|
|
|
- Add 'hostid:#id' boot option. This option allows to change the
|
|
|
|
default SCSI id the driver uses for controllers.
|
|
|
|
- Make SCRIPTS not use self-mastering for PCI.
|
|
|
|
There were still 2 places the driver used this feature of the
|
|
|
|
53C8XX family.
|
|
|
|
- Move some data structures (nvram layouts and driver set-up) to
|
|
|
|
the sym53c8xx_defs.h file. So, the both drivers will share them.
|
|
|
|
- Set MAX LUNS to 16 (instead of 8).
|
|
|
|
|
|
|
|
Sat Mar 20 21:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.3b
|
|
|
|
- Add support for NCR PQS PDS.
|
|
|
|
James Bottomley <James.Bottomley@columbiasc.ncr.com>
|
|
|
|
- Allow value 0 for host ID.
|
|
|
|
- Support more than 8 controllers (> 40 in fact :-) )
|
|
|
|
- Add 'excl=#ioaddr' boot option: exclude controller.
|
|
|
|
(Version 1.3a driver)
|
|
|
|
|
|
|
|
Thu Mar 11 23:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.3 (8xx-896 driver bundle)
|
|
|
|
- Equivalent changes as ncr53c8xx-3.2 due to the driver bundle.
|
|
|
|
(See Changelog.ncr53c8xx)
|
|
|
|
- Do a normal soft reset as first chip reset, since aborting current
|
|
|
|
operation may raise an interrupt we are not able to handle since
|
|
|
|
the interrupt handler is not yet established.
|
|
|
|
|
|
|
|
Sat Mar 6 11:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.2b
|
|
|
|
- Fix some oooold bug that hangs the bus if a device rejects a
|
|
|
|
negotiation. Btw, the corresponding stuff also needed some cleanup
|
|
|
|
and thus the change is a bit larger than it could have been.
|
|
|
|
- Still some typo that made compilation fail for 64 bit (trivial fix).
|
|
|
|
|
|
|
|
Sun Feb 21 20:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.2a
|
|
|
|
- The rewrite of the interrupt handling broke the SBMC interrupt
|
|
|
|
handling due to a 1 bit mask tiny error. Hopefully fixed.
|
|
|
|
- If INQUIRY came from a scatter list, the driver looked into
|
|
|
|
the scatterlist instead of the data.:) Since this should never
|
|
|
|
happen, we just discard the data if use_sg is not zero.
|
|
|
|
|
|
|
|
Fri Feb 12 23:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.2
|
|
|
|
- Major rewrite of the interrupt handling and recovery stuff for
|
|
|
|
the support of non compliant SCSI removal, insertion and all
|
|
|
|
kinds of screw-up that may happen on the SCSI BUS.
|
|
|
|
Hopefully, the driver is now unbreakable or may-be, it is just
|
|
|
|
quite brocken. :-)
|
|
|
|
Many thanks to Johnson Russel (Symbios) for having responded to
|
|
|
|
my questions and for his interesting advices and comments about
|
|
|
|
support of SCSI hot-plug.
|
|
|
|
- Add 'recovery' option to driver set-up.
|
|
|
|
- Negotiate SYNC data transfers with CCS devices.
|
|
|
|
- Deal correctly with 64 bit PCI address registers on Linux 2.2.
|
|
|
|
Pointed out by Leonard Zubkoff.
|
|
|
|
|
|
|
|
Sun Jan 31 18:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.1a
|
|
|
|
- Some 896 chip revisions (all for now :-)), may hang-up if the
|
|
|
|
soft reset bit is set at the wrong time while SCRIPTS are running.
|
|
|
|
We need to first abort the current SCRIPTS operation prior to
|
|
|
|
resetting the chip. This fix has been sent to me by SYMBIOS/LSI
|
|
|
|
and I just translated it into ncr53c8xx syntax.
|
|
|
|
Must be considered 100 % trustable, unless I did some mistake
|
|
|
|
when translating it. :-)
|
|
|
|
|
|
|
|
Sun Jan 24 18:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.1
|
|
|
|
- Major rewrite of the SCSI parity error handling.
|
|
|
|
The informations contained in the data manuals are incomplete about
|
|
|
|
this feature.
|
|
|
|
I asked SYMBIOS about and got in reply the explanations that are
|
|
|
|
_indeed_ missing in the data manuals.
|
|
|
|
- Allow to tune request_irq() flags from the boot command line using
|
|
|
|
ncr53c8xx=irqm:??, as follows:
|
|
|
|
a) If bit 0x10 is set in irqm, SA_SHIRQ flag is not used.
|
|
|
|
b) If bit 0x20 is set in irqm, SA_INTERRUPT flag is not used.
|
|
|
|
By default the driver uses both SA_SHIRQ and SA_INTERRUPT.
|
|
|
|
Option 'ncr53c8xx=irqm:0x20' may be used when an IRQ is shared by
|
|
|
|
a 53C8XX adapter and a network board.
|
|
|
|
- Fix for 64 bit PCI address register calculation. (Lance Robinson)
|
|
|
|
- Fix for big-endian in phase mismatch handling. (Michal Jaegermann)
|
|
|
|
|
|
|
|
Fri Jan 1 20:00 1999 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.0a
|
|
|
|
- Waiting list look-up didn't work for the first command of the list.
|
|
|
|
Hopefully fixed, but tested on paper only. ;)
|
|
|
|
- Remove the most part of PPC specific code for Linux-2.2.
|
|
|
|
Thanks to Cort.
|
|
|
|
- Some other minors changes.
|
|
|
|
|
|
|
|
Sat Dec 19 21:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version sym53c8xx-1.0
|
|
|
|
- Define some new IO registers for the 896 (istat1, mbox0, mbox1)
|
2011-03-31 05:57:33 +04:00
|
|
|
- Revamp slightly the Symbios NVRAM lay-out based on the excerpt of
|
2005-04-17 02:20:36 +04:00
|
|
|
the header file I received from Symbios.
|
|
|
|
- Check the PCI bus number for the boot order (Using a fast
|
|
|
|
PCI controller behing a PCI-PCI bridge seems sub-optimal).
|
|
|
|
- Disable overlapped PCI arbitration for the 896 revision 1.
|
|
|
|
- Reduce a bit the number of IO register reads for phase mismatch
|
|
|
|
by reading DWORDS at a time instead of BYTES.
|
|
|
|
|
|
|
|
Thu Dec 3 24:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.18
|
|
|
|
- I received this afternoon a 896 from SYMBIOS and started testing
|
|
|
|
the driver with this beast. After having fixed 3 buglets, it worked
|
|
|
|
with all features enabled including the phase mismatch handling
|
|
|
|
from SCRIPTS. Since this feature is not yet tested enough, the
|
|
|
|
boot option 'ncr53c8xx=specf:1' is still required to enable the
|
|
|
|
driver to handle PM from SCRIPTS.
|
|
|
|
|
|
|
|
Sun Nov 29 18:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.17
|
|
|
|
- The SISL RAID change requires now remap_pci_mem() stuff to be
|
|
|
|
compiled for __i386__ when normal IOs are used.
|
|
|
|
- The PCI memory read from SCRIPTS that should ensure ordering
|
|
|
|
was in fact misplaced. BTW, this may explain why broken PCI
|
|
|
|
device drivers regarding ordering are working so well. ;-)
|
|
|
|
- Rewrite ncr53c8xx_setup (boot command line options) since the
|
|
|
|
binary code was a bit too bloated in my opinion.
|
|
|
|
- Make the code simpler in the wakeup_done routine.
|
|
|
|
|
|
|
|
Tue Nov 24 23:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.16
|
|
|
|
- Add SCSI_NCR_OPTIMIZE_896_1 compile option and 'optim' boot option.
|
|
|
|
When set, the driver unconditionnaly assumes that the interrupt
|
|
|
|
handler is called for command completion, then clears INTF, scans
|
|
|
|
the done queue and returns if some completed CCB is found. If no
|
|
|
|
completed CCB are found, interrupt handling will proceed normally.
|
|
|
|
With a 896 that handles MA from SCRIPTS, this can be a great win,
|
|
|
|
since the driver will never performs PCI read transactions, but
|
|
|
|
only PCI write transactions that may be posted.
|
|
|
|
If the driver haven't to also raise the SIGP this would be perfect.
|
|
|
|
Even with this penalty, I think that this will work great.
|
|
|
|
Obviously this optimization makes sense only if the IRQ is not
|
|
|
|
shared with another device.
|
|
|
|
- Still a buglet in the tags initial settings that needed to be fixed.
|
|
|
|
It was not possible to disable TGQ at system startup for devices
|
|
|
|
that claim TGQ support. The driver used at least 2 for the queue
|
|
|
|
depth but did'nt keep track of user settings for tags depth lower
|
|
|
|
than 2.
|
|
|
|
|
|
|
|
Thu Nov 19 23:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.15
|
|
|
|
- Add support for hardware LED control of the 896.
|
|
|
|
- Ignore chips that are driven by SISL RAID (DAC 960).
|
|
|
|
Change sent by Leonard Zubkoff and slightly reworked.
|
|
|
|
- Prevent 810A rev 11 and 860 rev 1 from using cache line based
|
|
|
|
transactions since those early chip revisions may use such on
|
|
|
|
LOAD/STORE instructions (work-around).
|
|
|
|
- Remove some useless and bloat code from the pci init stuff.
|
|
|
|
- Do not use the readX()/writeX() kernel functions for __i386__,
|
|
|
|
since they perform useless masking operations in order to deal
|
|
|
|
with broken driver in 2.1.X kernel.
|
|
|
|
|
|
|
|
Wed Nov 11 10:00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.14
|
|
|
|
- The driver was unhappy when configured with default_tags > MAX_TAGS
|
|
|
|
Hopefully doubly-fixed.
|
|
|
|
- Set PCI_PARITY in PCI_COMMAND register in not set (PCI fix-up).
|
|
|
|
- Print out some message if phase mismatch is handled from SCRIPTS.
|
|
|
|
|
|
|
|
Sun Nov 1 14H00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.13
|
|
|
|
- Some rewrite of the device detection code. This code had been
|
|
|
|
patched too much and needed to be face-lifted a bit.
|
|
|
|
Remove all platform dependent fix-ups that was not needed or
|
|
|
|
conflicted with some other driver code as work-arounds.
|
|
|
|
Reread the NVRAM before the calling of ncr_attach(). This spares
|
|
|
|
stack space and so allows to handle more boards.
|
|
|
|
Handle 64 bit base addresses under linux-2.0.X.
|
|
|
|
Set MASTER bit in PCI COMMAND register if not set.
|
|
|
|
|
|
|
|
Wed Oct 30 22H00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.12
|
|
|
|
- Damned! I just broke the driver for Alpha by leaving a stale
|
|
|
|
instruction in the source code. Hopefully fixed.
|
|
|
|
- Do not set PFEN when it is useless. Doing so we are sure that BOF
|
|
|
|
will be active, since the manual appears to be very unclear on what
|
|
|
|
feature is actually used by the chip when both PFEN and BOF are
|
|
|
|
set.
|
|
|
|
|
|
|
|
Sat Oct 24 16H00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.11
|
|
|
|
- LOAD/STORE instructions were miscompiled for register offsets
|
|
|
|
beyond 0x7f. This broke accesses to 896' new registers.
|
|
|
|
- Disable by default Phase Mismatch handling from SCRIPTS, since
|
|
|
|
current 896 rev.1 seems not to operate safely with the driver
|
|
|
|
when this feature is enabled (and above LOAD/STORE fix applied).
|
|
|
|
I will change the default to 'enabled' when this problem will be
|
|
|
|
solved.
|
|
|
|
Using boot option 'ncr53c8xx=specf:1' enables this feature.
|
|
|
|
- Implement a work-around (DEL 472 - ITEM 5) that should allow the
|
|
|
|
driver to safely enable hardware phase mismatch with 896 rev. 1.
|
|
|
|
|
|
|
|
Tue Oct 20 22H00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.10
|
|
|
|
- Add the 53c876 description to the chip table. This is only useful
|
|
|
|
for printing the right name of the controller.
|
|
|
|
- Add additional checking of INQUIRY data:
|
|
|
|
Check INQUIRY data received length is at least 7. Byte 7 of
|
|
|
|
inquiry data contains device features bits and the driver might
|
|
|
|
be confused by garbage. Also check peripheral qualifier.
|
|
|
|
- Use a 1,3,5,...MAXTAGS*2+1 tag numbering. Previous driver could
|
|
|
|
use any tag number from 1 to 253 and some non conformant devices
|
|
|
|
might have problems with large tag numbers.
|
|
|
|
- Use NAME53C and NAME53C8XX for chip name prefix chip family name.
|
|
|
|
Just give a try using "sym53c" and "sym53c8xx" instead of "ncr53c"
|
|
|
|
and "ncr53c8xx". :-)
|
|
|
|
|
|
|
|
Sun Oct 11 17H00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.9
|
|
|
|
- DEL-441 Item 2 work-around for the 53c876 rev <= 5 (0x15).
|
|
|
|
- Break ncr_scatter() into 2 functions in order to guarantee best
|
|
|
|
possible code optimization for the case we get a scatter list.
|
|
|
|
- Add the code intended to support up to 1 tera-byte for 64 bit systems.
|
|
|
|
It is probably too early, but I wanted to complete the thing.
|
|
|
|
|
|
|
|
Sat Oct 3 14H00 1998 Gerard Roudier (groudier@club-internet.fr)
|
|
|
|
* version pre-sym53c8xx-0.8
|
|
|
|
- Do some testing with io_mapped and fix what needed to be so.
|
|
|
|
- Wait for SCSI selection to complete or time-out immediately after
|
|
|
|
the chip won arbitration, since executing SCRIPTS while the SCSI
|
|
|
|
core is performing SCSI selection breaks the selection procedure
|
|
|
|
at least for some chip revisions.
|
|
|
|
- Interrupt the SCRIPTS if a device does not go to MSG OUT phase after
|
|
|
|
having been selected with ATN. Such a situation is not recoverable,
|
|
|
|
better to fail when we are stuck.
|