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* [Bug 1001649] New: AT91 hal extension
@ 2012-08-10 16:30 bugzilla-daemon
  2012-08-10 16:31 ` [Bug 1001649] " bugzilla-daemon
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           Summary: AT91 hal extension
           Product: eCos
           Version: CVS
          Platform: All
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: high
         Component: Patches and contributions
        AssignedTo: unassigned@bugs.ecos.sourceware.org
        ReportedBy: bernd.edlinger@hotmail.de
                CC: ecos-patches@ecos.sourceware.org
             Class: Advice Request


Created an attachment (id=1886)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1886)
add the SAM9 processor family to the AT91 hal.

Hello,

this patch restructures the AT91 Hal in a way that it is more easy
than before to add new members of the SAM9 Processor family.

This work was initially based on the G45 Port by Richard Rauch.
however significant bug-fixes and new features were added by Bernd Edlinger.

The patch contains support for the following processors:
- support for AT91SAM9G45-EK
- support for AT91SAM9G20-EK
- support for AT91SAM9260-EK
- RedBoot (as second level boot loader together with the Atmel Sam-BA boot
code)
- ARM AT91 MMU: added Access Protection against NULL-Pointer accesses
- ARM AT91 MMU: added Code Protection against self-modifying code
- ARM AT91 Code- and Data-Cache: added support
- ARM AT91 I2C: added support
- ARM AT91 Serial: support for more than 4 UARTs
- ARM AT91 ENET: support for multicasts
- ARM AT91 ENET: PHY-Polling or Interrupt-driven detection of Link changes
- ETH_PHY: added support for DP83640 PHY
- ETH_PHY: support for enabling PHY Interrupts
- ETH_PHY: support for Interrupt-driven SMI communication

The contents of this patch are:
hal.diff : changes to the eCos hal to add new processors to the AT91 platform.
i2c.diff : a simlpe i2c driver for the AT91SAM9XXX.
serial.diff : extension of the serial driver to more than 4 uarts + Caching.
spi.diff : fixes Caching.
eth.diff : fixes Caching, implements multicasts, interrupt driven PHY.
This also restructures the eth_phy component, in a way that should not
break existing ports, but opens a way for them to benefit of interrupt
driven PHY interface.

Note: the CYGHWR_DEVS_ETH_PHY_DP8384X was split up into
CYGHWR_DEVS_ETH_PHY_DP83847, CYGHWR_DEVS_ETH_PHY_DP83848
and CYGHWR_DEVS_ETH_PHY_DP83640,
because these parts are *not* pin compatible, thus you better know what
you use.

hal_powerpc.diff : had to undo the renaming of CYGHWR_DEVS_ETH_PHY_DP83847,
sorry for that...

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
@ 2012-08-10 16:31 ` bugzilla-daemon
  2012-08-10 16:33 ` bugzilla-daemon
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--- Comment #1 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-10 17:31:25 BST ---
Created an attachment (id=1887)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1887)
simple I2C driver.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
  2012-08-10 16:31 ` [Bug 1001649] " bugzilla-daemon
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--- Comment #2 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-10 17:32:59 BST ---
Created an attachment (id=1888)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1888)
fix the DMA and Caching of the AT91 SPI driver.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
  2012-08-10 16:31 ` [Bug 1001649] " bugzilla-daemon
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--- Comment #3 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-10 17:34:00 BST ---
Created an attachment (id=1889)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1889)
fix for DMA/Caching in Serial Driver, upto 8 UARTs.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1888|0                           |1
        is obsolete|                            |

--- Comment #4 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-10 17:38:32 BST ---
Created an attachment (id=1890)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1890)
fix the DMA / Caching of the AT91 SPI Driver. Corrected.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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--- Comment #5 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-10 17:40:20 BST ---
Created an attachment (id=1891)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1891)
Fixes/Enhancement for the AT91 Eth Driver and the eth_phy component.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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--- Comment #6 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-10 17:42:49 BST ---
Created an attachment (id=1892)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1892)
probably necessary for compatibility between new eth_phy and hal/powerpc/moab

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         OS/Version|Other                       |ARM

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1891|0                           |1
        is obsolete|                            |

--- Comment #7 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-20 08:40:44 BST ---
Created an attachment (id=1901)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1901)
Fixes for the AT91 Eth Driver. Updated.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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--- Comment #8 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-20 08:51:27 BST ---
Created an attachment (id=1902)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1902)
Enhancements for the phy component. Updated.

Hi,

have now slpit the eth and the phy stuff up.
Added one little correction: the DP83847 does not have IRQ registers,
therefore we should not touch these at all.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1902|0                           |1
        is obsolete|                            |

--- Comment #9 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-08-20 09:13:29 BST ---
Created an attachment (id=1903)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1903)
Enhancements for the phy component. Updated.

oops: fixed the Changelog...

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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--- Comment #10 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-09-13 12:09:02 BST ---
Created an attachment (id=1934)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1934)
add the SAM9 processor family to the AT91 hal. Updated.

Hello,

this ARM HAL update fixes the following issues:
- Fixed GDB stub conflict with Code Protection.
- Fixed THUMB Mode (applies to all ARM7 processors too).
- Fixed FIQ Enable Mode: FIQ CPSR Flag was task specific.
therefore the FIQ as disabled only when a specific task executed.
(for instance disabled when the IDLE Task executes!)

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* [Bug 1001649] AT91 hal extension
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1890|0                           |1
        is obsolete|                            |

--- Comment #11 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-09-13 12:15:31 BST ---
Created an attachment (id=1935)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1935)
fix the DMA / Caching of the AT91 SPI Driver. Updated.

For targets like AT91SAM7S without hardware Cache
this handling of incomplete cache lines is not necessary.

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* [Bug 1001649] AT91 hal extension
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1886|0                           |1
        is obsolete|                            |

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* [Bug 1001649] AT91 hal extension
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--- Comment #12 from Bernd Edlinger <bernd.edlinger@hotmail.de> 2012-09-13 12:27:35 BST ---
Created an attachment (id=1936)
 --> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1936)
reduce code size for targets without Cache.

This was necessary to compile the kcache2 test case for the ARM91SAM7S.
Of course that target has no cache at all, but some macros
like HAL_DCACHE_LINE_SIZE, HAL_DCACHE_FLUSH etc. are now always defined
for convenience.

It's always safe to use #ifdef HAL_DCACHE_SIZE for conditional compilation.

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* [Bug 1001649] AT91 hal extension
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Ilija Kocho <ilijak@siva.com.mk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ilijak@siva.com.mk

--- Comment #13 from Ilija Kocho <ilijak@siva.com.mk> ---
Bernd


The attachment 1934 seem to have pretty much ARM9 architecure patches. Could
architecture stuff be isolated in a separate bug? If we could integrate the
AT91 support independently of architecture it would be much simpler, cleaner
and safer process.

Ilija

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* [Bug 1001649] AT91 hal extension
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Ilija Kocho <ilijak@siva.com.mk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |john@dallaway.org.uk

--- Comment #14 from Ilija Kocho <ilijak@siva.com.mk> ---
Since John Dallaway is involved in bug 1000819 that may be or become related to
this bug, I'm putting him on CC list.

Ilija

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* [Bug 1001649] AT91 hal extension
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Bernd Edlinger <bernd.edlinger@hotmail.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #1934|0                           |1
        is obsolete|                            |
   Attachment #1936|0                           |1
        is obsolete|                            |

--- Comment #15 from Bernd Edlinger <bernd.edlinger@hotmail.de> ---
Created attachment 2127
  --> http://bugs.ecos.sourceware.org/attachment.cgi?id=2127&action=edit
add the SAM9 processor family to the AT91 hal.

Moved the ARM9 architecture enhancements to Bug# 1001796 now.

Note however that this will not compile without applying the patches from
Bug# 1001796 first.

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* [Bug 1001649] AT91 hal extension
  2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
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--- Comment #16 from Bernd Edlinger <bernd.edlinger@hotmail.de> ---
(In reply to comment #14)
> Since John Dallaway is involved in bug 1000819 that may be or become related
> to this bug, I'm putting him on CC list.

Hello Ilija,

I am aware of this patch, but IMHO that work was concentrating
too much on re-structuring other ports, while it never made any
progress on the processor support.

It should be fairly simple to add ports for AT91SAM9263 or AT91SAM9X25
to this code base, if some one would like to do that.

Bernd.

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* [Bug 1001649] AT91 hal extension
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                   ` (17 preceding siblings ...)
  2013-03-11 15:19 ` bugzilla-daemon
@ 2013-03-15  1:29 ` bugzilla-daemon
  18 siblings, 0 replies; 20+ messages in thread
From: bugzilla-daemon @ 2013-03-15  1:29 UTC (permalink / raw)
  To: ecos-patches

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http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001649

Ilija Kocho <ilijak@siva.com.mk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |1001796

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end of thread, other threads:[~2013-03-15  1:29 UTC | newest]

Thread overview: 20+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-08-10 16:30 [Bug 1001649] New: AT91 hal extension bugzilla-daemon
2012-08-10 16:31 ` [Bug 1001649] " bugzilla-daemon
2012-08-10 16:33 ` bugzilla-daemon
2012-08-10 16:34 ` bugzilla-daemon
2012-08-10 16:38 ` bugzilla-daemon
2012-08-10 16:40 ` bugzilla-daemon
2012-08-10 16:43 ` bugzilla-daemon
2012-08-14  7:45 ` bugzilla-daemon
2012-08-20  7:41 ` bugzilla-daemon
2012-08-20  7:51 ` bugzilla-daemon
2012-08-20  8:13 ` bugzilla-daemon
2012-09-13 11:09 ` bugzilla-daemon
2012-09-13 11:15 ` bugzilla-daemon
2012-09-13 11:16 ` bugzilla-daemon
2012-09-13 11:28 ` bugzilla-daemon
2013-03-10 16:56 ` bugzilla-daemon
2013-03-10 17:10 ` bugzilla-daemon
2013-03-11 14:05 ` bugzilla-daemon
2013-03-11 15:19 ` bugzilla-daemon
2013-03-15  1:29 ` bugzilla-daemon

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