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[Bug 1000910] New port: Ethernet over SPI driver for ENC424J600
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: ecos-bugs at ecos dot sourceware dot org
- Date: Thu, 27 Oct 2011 15:41:11 +0100
- Subject: [Bug 1000910] New port: Ethernet over SPI driver for ENC424J600
- Auto-submitted: auto-generated
- References: <bug-1000910-13@http.bugs.ecos.sourceware.org/>
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Ilija Stanislevik <ilijas@siva.com.mk> changed:
What |Removed |Added
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Attachment #1132|0 |1
is obsolete| |
--- Comment #14 from Ilija Stanislevik <ilijas@siva.com.mk> 2011-10-27 15:41:08 BST ---
Created an attachment (id=1421)
--> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1421)
Patch to stm3210e-eval HAL - initialization of enc424j600
(In reply to comment #12)
> I see the stm3210e changes include a change to increase RAM use by 16k to allow
> for network-enabled redboot. That's quite a large change for something that
> most people don't need. I think a different MLT file would be better for that.
> You could either create a new HAL startup type, or you could just add a new
> option, and change CYGHWR_MEMORY_LAYOUT to be something like:
>
> calculated { (CYG_HAL_STARTUP == "RAM" ) ?
> (CYGMEM_HAL_CORTEXM_STM32_STM3210E_RESERVE_EXTRA_BASE_RAM ?
> "cortexm_stm3210e_eval_extrabaseram : "cortexm_stm3210e_eval_ram") :
> (CYG_HAL_STARTUP == "SRAM" ) ?
> "cortexm_stm3210e_eval_sram" :
> (CYG_HAL_STARTUP == "ROM" ) ?
> "cortexm_stm3210e_eval_rom" :
> (CYG_HAL_STARTUP == "ROMINT" ) ?
> "cortexm_stm3210e_eval_romint" :
> (CYG_HAL_STARTUP == "JTAG" ) ?
> "cortexm_stm3210e_eval_jtag" :
> "undefined" }
>
> Although I'm suggesting
> CYGMEM_HAL_CORTEXM_STM32_STM3210E_RESERVE_EXTRA_BASE_RAM for the option name,
> you may well be able to choose something with a better name.
>
> Let me know what you think.
I agree. I've introduced new option
CYGMEM_HAL_CORTEXM_STM32_STM3210E_EXTRA_BASE_RAM and corresponding ldi files.
Also, there is a provision to specify the quantity of reserved RAM.
In addition, I've modified the HAL to produce non-conflicting values for
enc424j600 related options. I believe this is better than having conflicting
values at the beginning.
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