old ERC32 docs was Re: RTEMS code documentation references
jerry.needell at unh.edu
Tue Apr 18 13:42:58 UTC 2006
The link below contains many of the old documents for the ERC32 and the
TSC691/2/3 chipsets. The chapter and table references do not match the
examples in the original request, but you may find these documents useful.
I hope it helps - Jerry
Joel Sherrill wrote:
> Luís Henriques wrote:
>> Dear Joel,
>> While analysing the ERC32 specific code from RTEMS, I found 2 references
>> to documentation which I could not trace. These references are both in
>> file c/src/exec/score/cpu/sparc/erc32.h (still on the old RTEMS tree - I
>> am using 4.5.0 version):
> I am offsite today and can't check my bookshelf to give details if I
> even still have the
> original manual (I think I still do) but I can almost swear it would
> have come from
> whatever ERC32 documentation was available when the port was initially
> done. The initial date on the README in the BSP is 1996/12/02 so it
> would have been
> the revision from that time frame.
> I do recall Jiri sending us multiple sis revisions as they were bring
> up the initial
> CPUs at the same time and finding discrepancies.
> Maybe Jiri has access to this old documentation today. I will try to
> give a specific
> reference tomorrow.
>> 73 /*
>> 74 * Trap Types for on-chip peripherals
>> 75 *
>> 76 * Source: Table 8 - Interrupt Trap Type and Default Priority
>> 77 *
>> 78 * NOTE: The priority level for each source corresponds to the least
>> 79 * significant nibble of the trap type.
>> 80 */
>> 82 #define ERC32_TRAP_TYPE( _source )
>> SPARC_ASYNCHRONOUS_TRAP((_source) + 0x10)
>> [ . . . ]
>> 90 /*
>> 91 * Structure for ERC32 memory mapped registers.
>> 92 *
>> 93 * Source: Section 3.25.2 - Register Address Map
>> 94 *
>> 95 * NOTE: There is only one of these structures per CPU, its base
>> 96 * is 0x01f80000, and the variable MEC is placed there by the
>> 97 * linkcmds file.
>> 98 */
>> Of course, these references refer to ERC32 documentation. Could you
>> please provide me with the exact documents reference (name, version,
>> date, ...)?
>> Thanks a lot.
>> Luís Henriques
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