CVS log for src/sys/dev/ic/spdmem.c

Up to [cvs.NetBSD.org] / src / sys / dev / ic

Request diff between arbitrary revisions

Keyword substitution: kv
Default branch: MAIN

Fix misplaced comma.

Add code for DDR5 a little. I have no datasheet.

Add LPDDR4X and DDR5. Not decoded yet.

Pull up following revision(s) (requested by msaitoh in ticket #1528):

	sys/dev/ic/spdmemvar.h: revision 1.15
	sys/dev/ic/spdmemvar.h: revision 1.16
	sys/dev/ic/spdmem.c: revision 1.31
	sys/dev/ic/spdmem.c: revision 1.32
	sys/dev/ic/spdmem.c: revision 1.33
	sys/dev/ic/spdmem.c: revision 1.34
	sys/dev/ic/spdmem.c: revision 1.35

Fix spelling of symeti^Hric

  Print DDR3's row and column correctly.

KNF. No functional change.

- Define some new parameters of DDR3 SPD ROM.
- Use fine timebase parameters for time calculation on DDR3. This change
   makes PC3-XXXX value more correctly on newer DDR3.

Calculate DDR3's tRAS correctly.

  Fix unused area size found by pgoyette@.

Pull up following revision(s) (requested by msaitoh in ticket #832):

	sys/dev/ic/spdmemvar.h: revision 1.15
	sys/dev/ic/spdmemvar.h: revision 1.16
	sys/dev/ic/spdmem.c: revision 1.32
	sys/dev/ic/spdmem.c: revision 1.33
	sys/dev/ic/spdmem.c: revision 1.34
	sys/dev/ic/spdmem.c: revision 1.35

  Print DDR3's row and column correctly.

KNF. No functional change.

- Define some new parameters of DDR3 SPD ROM.
- Use fine timebase parameters for time calculation on DDR3. This change
   makes PC3-XXXX value more correctly on newer DDR3.

Calculate DDR3's tRAS correctly.

  Fix unused area size found by pgoyette@.

Merge changes from current as of 20200406

Calculate DDR3's tRAS correctly.

- Define some new parameters of DDR3 SPD ROM.
- Use fine timebase parameters for time calculation on DDR3. This change
  makes PC3-XXXX vaule more correctly on newer DDR3.

KNF. No functional change.

 Print DDR3's row and column correctly.

Sync with HEAD

Fix spelling of symeti^Hric

Synch with HEAD

Pull up following revision(s) (requested by msaitoh in ticket #1153):

	sys/dev/ic/spdmemvar.h: revision 1.14
	sys/dev/ic/spdmem.c: revision 1.30
	sys/dev/ic/spdmem.c: revision 1.29

- Fix DDR4's rows and columns value.
- Print "banks/group" instead of "banks" because it's not the total bank
   number.

 -

  Print rank on DDR4.

 Print rank on DDR4.

- Fix DDR4's rows and columns value.
- Print "banks/group" instead of "banks" because it's not the total bank
  number.

update from HEAD

Pull up following revision(s) (requested by msaitoh in ticket #369):
	sys/dev/ic/spdmem.c: revision 1.25
	sys/dev/ic/spdmem.c: revision 1.26
	sys/dev/ic/spdmem.c: revision 1.27
	sys/dev/ic/spdmem.c: revision 1.28
  A part number field of DDR3 and DDR4 is not NUL terminated. All unused chars
are filled by 0x20. Print it correctly.
Before:
spdmem0 at iic0 addr 0x50: 8KTF51264AZ-1G6E1 E1M^@,DPAFEQZ021
spdmem1 at iic0 addr 0x51: ACR256X64D3U1333C9BA^AM^X
spdmem2 at iic0 addr 0x52: KP223C-ELD        BA^BM-~
After:
spdmem0 at iic0 addr 0x50: 8KTF51264AZ-1G6E1
spdmem1 at iic0 addr 0x51: ACR256X64D3U1333C9
spdmem2 at iic0 addr 0x52: KP223C-ELD
dedup
simplify previous.
  Print "ECC" or "no ECC" for DDR4.

 Print "ECC" or "no ECC" for DDR4.

simplify previous.

dedup

 A part number field of DDR3 and DDR4 is not NUL terminated. All unused chars
are filled by 0x20. Print it correctly.

Before:
spdmem0 at iic0 addr 0x50: 8KTF51264AZ-1G6E1 E1M^@,DPAFEQZ021
spdmem1 at iic0 addr 0x51: ACR256X64D3U1333C9BA^AM^X
spdmem2 at iic0 addr 0x52: KP223C-ELD        BA^BM-~

After:
spdmem0 at iic0 addr 0x50: 8KTF51264AZ-1G6E1
spdmem1 at iic0 addr 0x51: ACR256X64D3U1333C9
spdmem2 at iic0 addr 0x52: KP223C-ELD

Sync with HEAD

Sync with HEAD

Sync with HEAD

- Move __DDR4_VALUE()'s comment to the correct position.
- s/ftp/ftb/. No functional change.

fix off by one.

ok riastradh

Sync with HEAD

 Add code to select page "0" for DDR4 and newer SPD ROM. If the value read
is not suitable as SPD ROM, try to select page 0 and try again. The passed
arguments of iic_exec(SPDCTL_SPA) might not be correct and/or our API of
iic_exec() should be improved. See the comment for the detail.

Use this change until we find a better (or correct?) way.

Sync with HEAD

Check whether iic_exec is failed or not.
- This change fixes a bug that a device that the checksum is really 0 fails
  attaching.
- Reduce the number of access to one if a device doesn't exist. Without this
  change and iic(4) does polling, it'll wait long time.

Sync with HEAD (as of 26th Dec)

- Add DDR4E, LPDDR3 and LPDDR4.
- Check NVDIMM hybrid.
- add DDR4's tWR and tWTR.
- Print cycle time with aprint_verbose on DDR4 as DDR[23].

Update calculations for DDR4 devices.  This gets 1066MHz modules to
report as PC4-17000.

XXX Due to insufficient precision in the SPD ROM data, we still report
XXX these modules with a DDR speed of 2132MHz, not 2133.  :(  (The
XXX cycle time is really 937.5ps, but is stored in the ROM as 938.0ps)

 Bugfixes
  - Calculate cycle_time correctly. _ftb is from +127 to -128.
  - Print latency in correct order.
- Don't print the size twice.
- KNF

KNF.

Use the DDR4 rows and columns fields when printing DDR4 data

Calculated CRC is for bytes from 0 to 125 on DDR4. Now we can attach spdmem
driver for DDR4.

Sync with HEAD

 Print operable voltage with aprint_verbose(). OK'ed by pgoyette@.

Initial pass at supporting decode for DDR4.

XXX I fully expect that reporting of PC4-xxxxx values is incorrect.
XXX Please report this, or any other errors that you may see.

Sync with HEAD

Add missing ,
constify the arrays of string pointers.

Add DDR4 support a bit.

Rebase to HEAD as of a few days ago.

Rebase.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

sync with head

Remove extraneous sysctl setup calls now done as part of regular attach.

Ensure that the top level sysctl nodes (kern, vfs, net, ...) exist before
the sysctl link sets are processed, and remove redundancy.

Shaves >13kB off of an amd64 GENERIC, not to mention >1k duplicate
lines of code.

sync with head

sync with HEAD

Print the part number for DDR3 modules.

Also closes PR kern/44665.

Resync to 2012-11-19 00:00:00 UTC

sync with head

split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.

sync to latest -current.

Update handling of sysctl stuff when built as modules

Remove semicolon at end of #define line to fix build.

fix non-literal format strings (Paul Goyette)

Modularize the spdmem(4) driver

Sync with HEAD.

sync with head.

sync with head

file spdmem.c was added on branch yamt-nfs-mp on 2010-08-11 22:53:32 +0000

Fix logic error in detecting length of DDR3 SPD covered by CRC check.

Reported by Jonathan Gray in private email - thanks!

sync with head

Sync with HEAD.

file spdmem.c was added on branch rmind-uvmplock on 2010-05-30 05:17:26 +0000

file spdmem.c was added on branch uebayasi-xip on 2010-04-30 14:43:23 +0000

Split spdmem driver into a bus attachment and a common back-end
probe and ROM decode, to follow similar changes made in OpenBSD:

        http://article.gmane.org/gmane.os.openbsd.cvs/94948
        http://article.gmane.org/gmane.os.openbsd.cvs/94956

There exists at least one alternative attachment (for SGI IP35
systems; see http://article.gmane.org/gmane.os.openbsd.cvs/94947),
and there could be more in the future.

Thanks to Christoph Egger for pointing out the OpenBSD activity.