LinuxPPC-Dev Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: "Allen Curtis" <acurtis@directvinternet.com>
To: gianfranco.morandi@euro-studio.it
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: EST sbc8260 Local bus SDRAM
Date: Wed, 31 Jul 2002 11:56:29 -0700 (PDT)	[thread overview]
Message-ID: <20020731115631.28731.h006.c007.wm@mail.directvinternet.com.criticalpath.net> (raw)


> I'm looking for the initialization code to program the
> chip select and start
> the refresh timer.

Here is a snippet from our BDI configuration file.

; Configure /CS5 to be local bus SDRAM
;   CHIP SELECT     BASE ADDRESS    SIZE   COMMENTS
;   -----------     ------------    ----   --------
;     /CS5           0x10000000      8MB   32-BIT LOCAL
SDRAM
;
WM32    0xF001012C      0xFF803280      ; OR5		(OPTION
REGISTER 5)
WM32    0xF0010128      0xF7001861      ; BR5		(BASE
REGISTER 5)

;------------------------------------------------------
; LOCAL SDRAM INITIALIZATION
;------------------------------------------------------

WM32    0xF0010194      0xEA46A552      ; LSDMR		(LOCAL
SDRAM MODE REGISTER)
WM8     0x10000000      0xFF            ; Access local
SDRAM

WM32    0xF0010194      0xCA46A552      ; LSDMR		(LOCAL
SDRAM MODE REGISTER)
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM
WM8     0x10000000      0xFF            ; Access local
SDRAM

WM32    0xF0010194      0xDA46A552      ; LSDMR		(LOCAL
SDRAM MODE REGISTER)
WM8     0x10000000      0xFF            ; Access local
SDRAM

WM32    0xF0010194      0xC246A552      ; LSDMR		(LOCAL
SDRAM MODE REGISTER)

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

             reply	other threads:[~2002-07-31 18:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-07-31 18:56 Allen Curtis [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-07-31 18:38 EST sbc8260 Local bus SDRAM Ing.Gianfranco Morandi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20020731115631.28731.h006.c007.wm@mail.directvinternet.com.criticalpath.net \
    --to=acurtis@directvinternet.com \
    --cc=gianfranco.morandi@euro-studio.it \
    --cc=linuxppc-embedded@lists.linuxppc.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox