openfirmware October 2010

openfirmware@openfirmware.info

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35 discussions

[commit] r1976 - cpu/x86/pc/olpc/images
by repository service 12 Oct '10

12 Oct '10

Author: wmb Date: Wed Oct 13 01:09:18 2010 New Revision: 1976 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1976 Log: OLPC XO-1.5 - Added LICENSE file to document Creative Commons license for settings icon. Added: cpu/x86/pc/olpc/images/LICENSE Added: cpu/x86/pc/olpc/images/LICENSE ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/x86/pc/olpc/images/LICENSE Wed Oct 13 01:09:18 2010 (r1976) @@ -0,0 +1,3 @@ +The "settings" icon is from http://findicons.com/icon/86219/settings?width=256# , +licensed under Creative Commons Attribution (by), from the "AEON" icon pack +by "Asher": http://kyo-tux.deviantart.com/ .

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[commit] r1975 - cpu/x86/pc/olpc/images cpu/x86/pc/olpc/via ofw/gui
by repository service 12 Oct '10

12 Oct '10

Author: wmb Date: Wed Oct 13 01:07:52 2010 New Revision: 1975 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1975 Log: OLPC XO-1.5 - Added menu for dual-booting, including changes in the menu code to support per-menu icon size and layout grid. Added: cpu/x86/pc/olpc/images/settings.565 (contents, props changed) cpu/x86/pc/olpc/images/settings.bmp (contents, props changed) cpu/x86/pc/olpc/images/tux.565 (contents, props changed) cpu/x86/pc/olpc/images/tux.bmp (contents, props changed) cpu/x86/pc/olpc/images/winlogo.565 (contents, props changed) cpu/x86/pc/olpc/images/winlogo.bmp (contents, props changed) Modified: cpu/x86/pc/olpc/via/fw.bth cpu/x86/pc/olpc/via/mfgtest.fth cpu/x86/pc/olpc/via/olpc.bth ofw/gui/iconmenu.fth ofw/gui/insticon.fth ofw/gui/menumisc.fth Added: cpu/x86/pc/olpc/images/settings.565 ============================================================================== Binary file. No diff available. Added: cpu/x86/pc/olpc/images/settings.bmp ============================================================================== Binary file. No diff available. Added: cpu/x86/pc/olpc/images/tux.565 ============================================================================== Binary file. No diff available. Added: cpu/x86/pc/olpc/images/tux.bmp ============================================================================== Binary file. No diff available. Added: cpu/x86/pc/olpc/images/winlogo.565 ============================================================================== Binary file. No diff available. Added: cpu/x86/pc/olpc/images/winlogo.bmp ============================================================================== Binary file. No diff available. Modified: cpu/x86/pc/olpc/via/fw.bth ============================================================================== --- cpu/x86/pc/olpc/via/fw.bth Wed Oct 13 00:16:13 2010 (r1974) +++ cpu/x86/pc/olpc/via/fw.bth Wed Oct 13 01:07:52 2010 (r1975) @@ -309,7 +309,6 @@ fload ${BP}/ofw/gui/loadmenu.fth patch merge-rect-565 merge-rect merge-cursor \ Hack since we do all our user-level graphics in 565 patch merge-rect-565 merge-rect merge-cursor \ Hack since we do all our user-level graphics in 565 -fload ${BP}/ofw/gui/insticon.fth fload ${BP}/cpu/x86/pc/olpc/via/cstate.fth \ C-state tests @@ -317,6 +316,7 @@ \ so exiting from emacs doesn't invoke the diag menu. ' quit to user-interface fload ${BP}/cpu/x86/pc/olpc/via/mfgtest.fth +fload ${BP}/cpu/x86/pc/olpc/via/bootmenu.fth : screen-#lines ( -- n ) screen-ih 0= if default-#lines exit then @@ -645,6 +645,12 @@ ; [then] +: ?boot-menu ( -- ) + button-rotate game-key? if + protect-fw visible bootmenu + then +; + : ?fs-update ( -- ) button-check button-x or button-o or button-square or ( mask ) game-key-mask = if protect-fw try-fs-update then @@ -707,6 +713,8 @@ ?usb-keyboard auto-banner? if banner then + ?boot-menu + auto-boot frozen? text-on? 0= and ( no-banner? ) Modified: cpu/x86/pc/olpc/via/mfgtest.fth ============================================================================== --- cpu/x86/pc/olpc/via/mfgtest.fth Wed Oct 13 00:16:13 2010 (r1974) +++ cpu/x86/pc/olpc/via/mfgtest.fth Wed Oct 13 01:07:52 2010 (r1975) @@ -197,6 +197,12 @@ ; : full-menu ( -- ) + d# 4 to rows + d# 5 to cols + d# 180 to sq-size + d# 128 to image-size + d# 128 to icon-size + olpc-menu-items " Run all non-interactive tests. (Press a key between tests to stop.)" Modified: cpu/x86/pc/olpc/via/olpc.bth ============================================================================== --- cpu/x86/pc/olpc/via/olpc.bth Wed Oct 13 00:16:13 2010 (r1974) +++ cpu/x86/pc/olpc/via/olpc.bth Wed Oct 13 01:07:52 2010 (r1975) @@ -189,6 +189,10 @@ " ${BP}/cpu/x86/pc/olpc/via/build/nandblaster15_rx.bin" " nb15_rx" $add-deflated-dropin " ${BP}/cpu/x86/pc/olpc/via/build/nandblaster_tx.bin" " nb_tx" $add-deflated-dropin + " ${BP}/cpu/x86/pc/olpc/images/winlogo.565" " winlogo.565" $add-deflated-dropin + " ${BP}/cpu/x86/pc/olpc/images/tux.565" " tux.565" $add-deflated-dropin + " ${BP}/cpu/x86/pc/olpc/images/settings.565" " settings.565" $add-deflated-dropin + .( Dropin top is ) ofd @ fsize .x cr [ifdef] coreboot-loaded Modified: ofw/gui/iconmenu.fth ============================================================================== --- ofw/gui/iconmenu.fth Wed Oct 13 00:16:13 2010 (r1974) +++ ofw/gui/iconmenu.fth Wed Oct 13 01:07:52 2010 (r1975) @@ -38,10 +38,10 @@ headers d# 32 value version-height -4 constant rows -5 constant cols +4 value rows +5 value cols headerless -rows cols * constant squares +: squares rows cols * ; d# 180 value sq-size d# 128 value image-size \ on file d# 128 value icon-size \ on screen @@ -89,15 +89,14 @@ struct /n field >icon - /n field >pixels /n field >function /n field >border 2 /n * field >help \ Brief description \ 32 field >label \ later... dup constant /entry squares * buffer: squarebuf -icon-size dup * 2 * constant /icon -image-size dup * 2 * 8 + constant /image +: /icon icon-size dup * 2 * ; +: /image image-size dup * 2 * 8 + ; : sq ( sq - a ) sq? /entry * squarebuf + ; @@ -231,26 +230,32 @@ then ; -: load-icon ( sq -- ) - sq dup >pixels @ 0= if ( sq-adr ) - dup >icon @ count load-pixels ( sq-adr pix-adr ) - swap >pixels ! ( ) - else - drop ( ) +: (icon>pixels) ( apf -- 'pixels ) + ta1+ dup @ ?dup if ( 'icon 'pixels ) + nip ( 'pixels ) + else ( 'icon ) + dup na1+ count load-pixels ( 'icon 'pixels ) + tuck swap ! ( 'pixels ) then ; +\ Defining word for icon images +: icon: ( "name" "devicename" -- ) ( child: -- 'pixels ) + create ['] (icon>pixels) token, 0 , parse-word ", +; +: icon>pixels ( icon-apf -- 'pixels ) dup token@ execute ; + : draw-sq ( sq -- ) - dup -1 = if exit then - background over sq>xy sq-size dup fill-rectangle - dup sq >border @ over draw-border - dup sq >icon @ if - dup load-icon - dup sq >pixels @ - swap sq>xy sq-size icon-size - 2/ tuck + -rot + swap - icon-size dup draw-rectangle - lowlight \ draw border - else + dup -1 = if exit then ( sq ) + background over sq>xy sq-size dup fill-rectangle ( sq ) + dup sq >border @ over draw-border ( sq ) + dup sq >icon @ ?dup if ( sq 'icon ) + icon>pixels ( sq 'pixels ) + swap sq>xy sq-size icon-size - 2/ ( 'pixels x y size ) + tuck + -rot + swap ( 'pixels x' y' ) + icon-size dup draw-rectangle ( ) + lowlight \ draw border ( ) + else ( sq ) drop then ; @@ -281,7 +286,7 @@ ; : refresh ( - ) draw-background - squares 0 do i draw-sq loop + squares 0 ?do i draw-sq loop set-description-region highlight describe ; Modified: ofw/gui/insticon.fth ============================================================================== --- ofw/gui/insticon.fth Wed Oct 13 00:16:13 2010 (r1974) +++ ofw/gui/insticon.fth Wed Oct 13 01:07:52 2010 (r1975) @@ -1,6 +1,8 @@ \ See license at end of file purpose: Icon menu screen layout for Power Firmware demonstration version +icon: exit.icon ${BP}/ofw/gui/exeunt.icx + \ fload ${BP}/ofw/gui/macosi.fth \ Boot/install MacOS items \ fload ${BP}/ofw/gui/nti.fth \ Boot/install NT items \ fload ${BP}/ofw/gui/aixi.fth \ Boot AIX item Modified: ofw/gui/menumisc.fth ============================================================================== --- ofw/gui/menumisc.fth Wed Oct 13 00:16:13 2010 (r1974) +++ ofw/gui/menumisc.fth Wed Oct 13 01:07:52 2010 (r1975) @@ -50,12 +50,6 @@ does> dup na1+ swap @ ( adr len ) ; -\ Defining word for icon images -: icon: ( "name" "devicename" -- ) ( child: -- adr ) - create parse-word ", -; - -icon: exit.icon ${BP}/ofw/gui/exeunt.icx \ LICENSE_BEGIN \ Copyright (c) 2006 FirmWorks \

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[commit] r1974 - cpu/x86/pc cpu/x86/pc/olpc cpu/x86/pc/olpc/via ofw/disklabel ofw/fs/ntfs
by repository service 12 Oct '10

12 Oct '10

Author: wmb Date: Wed Oct 13 00:16:13 2010 New Revision: 1974 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1974 Log: OLPC - Integrated Windows booting into the normal "disk-label" mechanism, thus avoiding the need for a separate "/xp" device node and making it possible to boot Windows from either internal or external SD devices (or even from USB). Added: ofw/fs/ntfs/ntfs.fth ofw/fs/ntfs/partition.fth Modified: cpu/x86/pc/biosints.fth cpu/x86/pc/olpc/fw.bth cpu/x86/pc/olpc/via/fw.bth ofw/disklabel/loadpkg.fth ofw/disklabel/methods.fth Modified: cpu/x86/pc/biosints.fth ============================================================================== --- cpu/x86/pc/biosints.fth Wed Oct 13 00:06:16 2010 (r1973) +++ cpu/x86/pc/biosints.fth Wed Oct 13 00:16:13 2010 (r1974) @@ -476,6 +476,22 @@ : drive-sectors ( -- n ) " #blocks" bios-ih $call-method ; : drive-/sector ( -- n ) " block-size" bios-ih $call-method ; +d# 256 buffer: bios-devname +\ Replace the filename with "0" +\ For example, /pci/sd@c/disk@3:\boot\olpc.fth//nt-file-system:\boot\olpc.fth +\ becomes /pci/sd@c/disk@3:0 +: bios-dev$ ( -- adr len ) + load-path cscount [char] \ left-parse-string 2nip ( head$ ) + bios-devname place + " 0" bios-devname $cat + bios-devname count +; +: ?open-bios-disk ( -- ) + bios-disk-ih 0= if + bios-dev$ open-dev to bios-disk-ih + bios-disk-ih 0= abort" Can't open BIOS disk device" + then +; [ifndef] notdef : (bios-read-sectors) ( adr sector# #sectors -- #sectors-read ) drive-/sector >r ( adr #sectors d.byte# r: /sector ) @@ -665,6 +681,7 @@ ; : disk-int ( -- ) \ INT 13 handler + ?open-bios-disk rm-ah@ case h# 00 of reset-disks endof \ Reset disk system h# 02 of chs-read-sectors endof @@ -1104,9 +1121,7 @@ ; [then] -0 value mbr-boot? : is-mbr? ( adr len -- flag ) - mbr-boot? 0= if 2drop false exit then + 2 - le-w@ h# aa55 = ; warning @ warning off @@ -1199,9 +1214,9 @@ bios-boot-dev# select-bios-disk boot-sector# boot-#sectors bios-read-sectors bios-boot-dev# h# 82 = if h# 800 else h# 200 then * - true to mbr-boot? ; +[ifdef] notdef 0 0 " " " /" begin-package " xp" device-name : open @@ -1216,6 +1231,7 @@ : close ; : load ( adr -- nbytes ) mbr-load ; end-package +[then] 0 0 " " " /" begin-package " xpinstall" device-name @@ -1283,11 +1299,12 @@ : install-xp ( -- ) " /xpinstall" $boot ; -label xx h# 99 # al mov al h# 80 # out begin again end-code -here xx - constant /xx +\ This is a debugging hack that lets you inject a dead-end port80 callout into code +\ label xx h# 99 # al mov al h# 80 # out begin again end-code +\ here xx - constant /xx +\ : put-xx ( adr -- ) xx swap /xx move ; : @.w ( -- ) w@ 5 u.r ; : @.l ( -- ) @ 9 u.r ; -: put-xx ( adr -- ) xx swap /xx move ; : .lreg ( adr -- adr' ) 4 - dup l@ 9 u.r ; : .wreg ( adr -- adr' ) 2 - dup w@ 5 u.r ; : .caller-regs ( -- ) Modified: cpu/x86/pc/olpc/fw.bth ============================================================================== --- cpu/x86/pc/olpc/fw.bth Wed Oct 13 00:06:16 2010 (r1973) +++ cpu/x86/pc/olpc/fw.bth Wed Oct 13 00:16:13 2010 (r1974) @@ -138,6 +138,10 @@ end-support-package [then] +support-package: nt-file-system + fload ${BP}/ofw/fs/ntfs/ntfs.fth \ Windows NT File System +end-support-package + support-package: zip-file-system fload ${BP}/ofw/fs/zipfs.fth \ Zip file system end-support-package @@ -376,7 +380,7 @@ ; [then] -" /xp disk:\boot\olpc.fth sd:\boot\olpc.fth nand:\boot\olpc.fth /prober /usb/ethernet /usb/wlan" +" disk:\boot\olpc.fth sd:\boot\olpc.fth nand:\boot\olpc.fth /prober /usb/ethernet /usb/wlan" ' boot-device set-config-string-default \needs ramdisk " " d# 128 config-string ramdisk Modified: cpu/x86/pc/olpc/via/fw.bth ============================================================================== --- cpu/x86/pc/olpc/via/fw.bth Wed Oct 13 00:06:16 2010 (r1973) +++ cpu/x86/pc/olpc/via/fw.bth Wed Oct 13 00:16:13 2010 (r1974) @@ -151,6 +151,10 @@ end-support-package [then] +support-package: nt-file-system + fload ${BP}/ofw/fs/ntfs/ntfs.fth \ Windows NT File System +end-support-package + support-package: zip-file-system fload ${BP}/ofw/fs/zipfs.fth \ Zip file system end-support-package @@ -409,7 +413,7 @@ [then] fload ${BP}/cpu/x86/pc/olpc/rtcwake.fth -" /xp u:\boot\olpc.fth ext:\boot\olpc.fth int:\boot\olpc.fth /prober /usb/ethernet /wlan" +" u:\boot\olpc.fth ext:\boot\olpc.fth int:\boot\olpc.fth /prober /usb/ethernet /wlan" ' boot-device set-config-string-default \needs ramdisk " " d# 128 config-string ramdisk Modified: ofw/disklabel/loadpkg.fth ============================================================================== --- ofw/disklabel/loadpkg.fth Wed Oct 13 00:06:16 2010 (r1973) +++ ofw/disklabel/loadpkg.fth Wed Oct 13 00:16:13 2010 (r1974) @@ -8,6 +8,7 @@ fload ${BP}/ofw/fs/ufs/partition.fth [then] fload ${BP}/ofw/fs/ext2fs/partition.fth +fload ${BP}/ofw/fs/ntfs/partition.fth [ifdef] hfs-support fload ${BP}/ofw/fs/macfs/partition.fth [then] Modified: ofw/disklabel/methods.fth ============================================================================== --- ofw/disklabel/methods.fth Wed Oct 13 00:06:16 2010 (r1973) +++ ofw/disklabel/methods.fth Wed Oct 13 00:16:13 2010 (r1974) @@ -141,6 +141,7 @@ then " fat-file-system" exit then + ntfs? if " nt-file-system" exit then ." Error: Unknown file system" cr abort Added: ofw/fs/ntfs/ntfs.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ ofw/fs/ntfs/ntfs.fth Wed Oct 13 00:16:13 2010 (r1974) @@ -0,0 +1,47 @@ +\ See license at end of file +purpose: NTFS file system package methods + +\ This rudimentary file system package supports only "load", which +\ in fact loads the Master Boot Record + +external +: open ( -- flag ) + \ This lets us open the node during compilation + standalone? 0= if true exit then + + " bypass-bios-boot?" $find if + execute if false exit then + then + + my-args " \boot\olpc.fth" $= if true exit then + + false +; +: close ( -- ) ; +: load ( adr -- len ) + 0 1 " read-blocks" $call-parent " block-size" $call-parent * +; + +\ LICENSE_BEGIN +\ Copyright (c) 2010 FirmWorks +\ +\ Permission is hereby granted, free of charge, to any person obtaining +\ a copy of this software and associated documentation files (the +\ "Software"), to deal in the Software without restriction, including +\ without limitation the rights to use, copy, modify, merge, publish, +\ distribute, sublicense, and/or sell copies of the Software, and to +\ permit persons to whom the Software is furnished to do so, subject to +\ the following conditions: +\ +\ The above copyright notice and this permission notice shall be +\ included in all copies or substantial portions of the Software. +\ +\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +\ +\ LICENSE_END Added: ofw/fs/ntfs/partition.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ ofw/fs/ntfs/partition.fth Wed Oct 13 00:16:13 2010 (r1974) @@ -0,0 +1,31 @@ +\ See license at end of file +purpose: NTFS partition map decoding support + +\ Returns true if the sector buffer contains an NTFS signature +: ntfs? ( -- flag ) + sector-buf 3 + " NTFS " comp 0= +; + +\ LICENSE_BEGIN +\ Copyright (c) 2010 FirmWorks +\ +\ Permission is hereby granted, free of charge, to any person obtaining +\ a copy of this software and associated documentation files (the +\ "Software"), to deal in the Software without restriction, including +\ without limitation the rights to use, copy, modify, merge, publish, +\ distribute, sublicense, and/or sell copies of the Software, and to +\ permit persons to whom the Software is furnished to do so, subject to +\ the following conditions: +\ +\ The above copyright notice and this permission notice shall be +\ included in all copies or substantial portions of the Software. +\ +\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +\ +\ LICENSE_END

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[commit] r1973 - ofw/fs/ntfs
by repository service 12 Oct '10

12 Oct '10

Author: wmb Date: Wed Oct 13 00:06:16 2010 New Revision: 1973 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1973 Log: Added ofw/fs/ntfs directory Added: ofw/fs/ntfs/

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[commit] r1972 - ofw/fs/ext2fs
by repository service 12 Oct '10

12 Oct '10

Author: wmb Date: Tue Oct 12 20:04:47 2010 New Revision: 1972 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1972 Log: Fixed a comment. Modified: ofw/fs/ext2fs/partition.fth Modified: ofw/fs/ext2fs/partition.fth ============================================================================== --- ofw/fs/ext2fs/partition.fth Fri Oct 8 09:51:35 2010 (r1971) +++ ofw/fs/ext2fs/partition.fth Tue Oct 12 20:04:47 2010 (r1972) @@ -1,8 +1,7 @@ \ See license at end of file purpose: Ext2/3 partition map decoding support -\ Returns true if the sector buffer appears to contain an ext2/3 super block -\ which signifies the beginning of a DOS "FAT" file system. +\ Returns true if the sector buffer contains an ext2/3 super block : ext2? ( -- flag ) sector-buf h# 38 + w@ ( magic ) dup h# ef53 = swap h# 53ef = or ( ext2? )

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[commit] r1971 - dev/olpc/kb3700
by repository service 08 Oct '10

08 Oct '10

Author: wmb Date: Fri Oct 8 09:51:35 2010 New Revision: 1971 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1971 Log: OLPC XO-1.75 - added spicmd.fth . Added: dev/olpc/kb3700/spicmd.fth Added: dev/olpc/kb3700/spicmd.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/kb3700/spicmd.fth Fri Oct 8 09:51:35 2010 (r1971) @@ -0,0 +1,260 @@ +\ See license at end of file +purpose: Host to EC SPI protocol + +\ See http://wiki.laptop.org/go/XO_1.75_HOST_to_EC_Protocol + +\ Interface from pckbd.fth to i8042.fth: +\ set-port ( port# -- ) \ Selects keyboard (port#=0) or mouse (port#=1) +\ get-data ( -- data | -1 ) \ Returns a keyboard or mouse byte, or -1 if none after one second +\ get-data? ( -- false | data true ) \ Non-blocking version of get-data +\ clear-out-buf ( -- ) \ Drains pending data, waiting until 120 ms elapses with no data. Built from get-data? +\ put-get-data ( cmd -- data | -1 ) \ Sends cmd and waits for one response byte +\ Used only by "echo?", which is not called on OLPC. +\ put-data ( data -- ) \ Sends a byte to the keyboard or mouse +\ Used only by "cmd". "cmd" is used by set-scan-set, default-disable-kbd, enable-scan, set-leds, toggle-leds, +\ kbd-reset, (obsolete) olpc-set-ec-keymap. set-scan-set is used only by commented-out code guarded by +\ the non-defined ifdef "fix-keyboard". default-disable-kbd is called only by get-initial-state (NC on OLPC). +\ enable-scan is NC on OLPC. set-leds is called by toggle-leds with is called when you press numlock or +\ scrolllock or capslock, none of which the OLPC keyboard has. +\ enable-intf ( -- ) \ Sends "ae" to the keyboard controller (not the keyboard). Not called on OLPC with current FW. +\ test-lines ( -- error? ) \ Tests the keyboard clock and data lines. Not called on OLPC. + +0 0 " d4037000" " /" begin-package \ EC-SPI interface using SSP3 + +headerless + +" ec-spi" device-name + +0 0 encode-bytes + " olpc,ec-spi" encode-string encode+ +" compatible" property + +my-address my-space h# 1000 encode-reg +" reg" property + +1 " #address-cells" integer-property +0 " #size-cells" integer-property + +3 /n* buffer: port-data +: init-queue ( -- ) port-data 3 na+ bounds ?do -1 i ! /n +loop ; +: enque ( data port# -- ) + port-data swap na+ ! ( data adr ) +; +: deque? ( port# -- false | data true ) + port-data swap na+ ( adr ) + dup @ ( adr data ) + dup -1 = if ( adr data ) + 2drop false ( false ) + else ( adr data ) + -1 rot ! ( data ) + true ( data true ) + then +; + +0 value ssp-base +: ssp-sscr0 ( -- adr ) ssp-base ; +: ssp-sscr1 ( -- adr ) ssp-base la1+ ; +: ssp-sssr ( -- adr ) ssp-base 2 la+ ; +: ssp-ssdr ( -- adr ) ssp-base 4 la+ ; + +: init-ssp-in-slave-mode ( -- ) + 7 h# d4015058 l! 3 h# d4015058 l! \ Enable clock to SSP3 + h# 07 ssp-sscr0 rl! \ 8-bit data, SPI normal mode + h# 1380.0000 ssp-sscr1 rl! \ SCFR=1, slave mode, rx w/o tx + \ The enable bit must be set last, after all configuration is done + h# 87 ssp-sscr0 rl! \ Enable, 8-bit data, SPI normal mode +; +: set-ssp-receive-w/o-transmit ( -- ) + ssp-sscr1 rl@ h# 0080.0000 or ssp-sscr1 rl! +; +: clr-ssp-receive-w/o-transmit ( -- ) + ssp-sscr1 rl@ h# 0080.0000 invert and ssp-sscr1 rl! +; +0 value ssp-rx-threshold +: set-ssp-fifo-threshold ( n -- ) to ssp-rx-threshold ; +\ tx fifo trigger threshold? + +: .ssr ssp-sssr rl@ . ; +: ssp-ready? ( -- flag ) + ssp-sssr rl@ d# 12 rshift h# f and ssp-rx-threshold = +; + +: init-ec-spi-gpios ( -- ) + d# 78 gpio-dir-out + d# 79 gpio-dir-out +; +: clr-cmd ( -- ) d# 78 gpio-clr ; +: set-cmd ( -- ) d# 78 gpio-set ; +: clr-ack ( -- ) d# 79 gpio-clr ; +: set-ack ( -- ) d# 79 gpio-set ; +: pulse-ack ( -- ) clr-ack set-ack ; + +0 value ec-spi-cmd-done \ 0 - still waiting, 1 - successful send, 2 - timeout + +6 buffer: ec-cmdbuf +d# 16 buffer: ec-respbuf +: expected-response-length ( -- n ) ec-cmdbuf 1+ c@ h# f and ; + +: write-cmd-to-ssp-fifo ( -- ) + 6 0 do + ec-cmdbuf i + c@ ssp-ssdr rl! + loop +; + +0 value ec-cmd-time-limit +: ec-cmd-timeout? ( -- flag ) + ec-cmd-time-limit 0= if false exit then + get-msecs ec-cmd-time-limit - 0>= +; +: cancel-cmd-timeout ( -- ) 0 to ec-cmd-time-limit ; +: set-cmd-timeout ( -- ) + get-msecs d# 1000 + to ec-cmd-time-limit + ec-cmd-time-limit 0= if 1 to ec-cmd-time-limit then \ Avoid reserved value +; + +defer ec-spi-state ' noop to ec-spi-state + +defer ec-spi-upstream +: ec-spi-response ( -- ) + cancel-cmd-timeout + expected-response-length 0 ?do + ssp-ssdr rl@ ec-respbuf i + c! + loop + 1 to ec-spi-cmd-done + 2 set-ssp-fifo-threshold + clr-cmd + ['] ec-spi-upstream to ec-spi-state +; +: ec-spi-switched ( -- ) + set-ssp-receive-w/o-transmit + expected-response-length if + expected-response-length set-ssp-fifo-threshold + ['] ec-spi-response to ec-spi-state + else + ec-spi-response + then +; +: (ec-spi-upstream) ( -- ) + ssp-ssdr rl@ ssp-ssdr rl@ ( channel# data ) + over 3 = if \ Switched ( channel# data ) + 2drop ( ) + write-cmd-to-ssp-fifo ( ) + clr-ssp-receive-w/o-transmit ( ) + ['] ec-spi-switched to ec-spi-state ( ) + else ( channel# data ) + swap enque ( ) + then +; +' (ec-spi-upstream) to ec-spi-upstream +: init-ec-spi ( -- ) + init-ec-spi-gpios + init-ssp-in-slave-mode + set-ssp-receive-w/o-transmit + clr-cmd + set-ack + ['] ec-spi-upstream to ec-spi-state +; + +: ec-spi-handle-message ( -- ) + ec-spi-state + pulse-ack +; +: poll-ec-spi ( -- ) + ssp-ready? if + exit + then + ec-cmd-timeout? if + clr-cmd + cancel-cmd-timeout + 2 to ec-spi-cmd-done \ Timeout + ['] ec-spi-upstream to ec-spi-state + exit + then +; + +: ec-command ( [ args ] #args #results cmd-code -- [ results ] error? ) + ec-cmdbuf 6 erase ( [ args ] #args #results cmd-code ) + ec-cmdbuf c! ( [ args ] #args #results ) + over 4 lshift or ( [ args ] #args #args|#results ) + ec-cmdbuf 1+ c! ( [ args ] #args ) + dup 4 > abort" Too many EC command arguments" + 0 ?do ( ... arg ) + ec-cmdbuf 2+ i + c! ( ... ) + loop ( ) + + set-cmd-timeout + set-cmd + + 0 to ec-spi-cmd-done + begin + poll-ec-spi + ec-spi-cmd-done + until + + ec-spi-cmd-done 2 = if true exit then + + ec-cmdbuf 1+ c@ 0 ?do \ XXX maybe this loop should go backwards? + ec-respbuf i + c@ + loop + false +; + +0 instance value port# +: set-port ( port# -- ) to port# ; +: put-data ( byte -- ) port# 2 0 d# 99 ec-command ; \ XXX +: get-data? ( -- false | data true ) + port# deque? ( false | data true ) + poll-ec-spi +; +: get-data ( -- data | -1 ) \ Wait for data from our device + d# 1000 0 do + get-data? if unloop exit then ( data ) + 1 ms + loop + true \ abort" Timeout waiting for data from device" +; +: put-get-data ( cmd -- data | -1 ) put-data get-data ; +\ Wait until the device stops sending data +: clear-out-buf ( -- ) begin d# 120 ms get-data? while drop repeat ; + +0 value open-count +: open ( -- flag ) + open-count 0= if + my-address my-space h# 1000 " map-in" $call-parent is ssp-base +\ setup-pin-mux + init-ec-spi + then + open-count 1+ to open-count + true +; +: close ( -- ) + open-count 1 = if + ssp-base h# 1000 " map-in" $call-parent 0 is ssp-base + then + open-count 1- 0 max to open-count +; +end-package + +\ LICENSE_BEGIN +\ Copyright (c) 2010 FirmWorks +\ +\ Permission is hereby granted, free of charge, to any person obtaining +\ a copy of this software and associated documentation files (the +\ "Software"), to deal in the Software without restriction, including +\ without limitation the rights to use, copy, modify, merge, publish, +\ distribute, sublicense, and/or sell copies of the Software, and to +\ permit persons to whom the Software is furnished to do so, subject to +\ the following conditions: +\ +\ The above copyright notice and this permission notice shall be +\ included in all copies or substantial portions of the Software. +\ +\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +\ +\ LICENSE_END

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[commit] r1970 - in cpu/arm: beagle/build mmp2/build openmoko/build pxa3xx/build
by repository service 08 Oct '10

08 Oct '10

Author: wmb Date: Fri Oct 8 08:39:55 2010 New Revision: 1970 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1970 Log: svn ignore additions Modified: cpu/arm/beagle/build/ (props changed) cpu/arm/mmp2/build/ (props changed) cpu/arm/openmoko/build/ (props changed) cpu/arm/pxa3xx/build/ (props changed)

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[commit] r1969 - cpu/arm/olpc/1.75
by repository service 08 Oct '10

08 Oct '10

Author: wmb Date: Fri Oct 8 08:38:39 2010 New Revision: 1969 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1969 Log: OLPC XO-1.75 - Added swag at DRAM configuration for XO-1.75. Added: cpu/arm/olpc/1.75/xo-dram.fth Added: cpu/arm/olpc/1.75/xo-dram.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/olpc/1.75/xo-dram.fth Fri Oct 8 08:38:39 2010 (r1969) @@ -0,0 +1,556 @@ + +: /roundup ( num den -- quot ) /mod swap if 1+ then ; + +: ns>clk ( ps -- clk ) \ Assumes 400 MHz clock + 4* d# 2.500 / 4 /roundup +; + +\ From K4B1G04(08/16)46E datasheet: +\ Using 08 version -HCF8 (128Mb*8) +\ +\ 8 banks +\ Bank Address BA0-BA2 +\ Auto Precharge A10/AP +\ Row Address A0-A13 (14 bits) +\ Column Address A0-A9 (10 col bits) +\ BC switch on the fly A12/_BC +\ Page size 1KB +\ Burst length 8 +\ +\ === DDR3-800 speed bin - HCF7 === +\ 6-6-6 timing +\ tAA 15-20 ns +\ tRCD min 15 ns +\ tRP min 15 ns +\ tRAS 37.5 - 9*tREFI ns +\ tRC min 52.5 +\ CL 6 CK +\ CWL 5 CK +\ tCK(AVG) (for CL=6/CWL=5) 2.5-3.3 ns +\ +\ 15 / 6 = 2.5 (400 MHz clock) +\ 20 / 6 = 3.3 (300 Mhz clock) +\ +\ === DDR3-1066 speed bin - HCF8 === +\ +\ 7-7-7 timing +\ tAA 13.125 - 20 ns +\ tCK min 1.875 (533 MHz) +\ .*tRCD min 13.125 ns +\ .*tRP min 13.125 ns +\ .*tRAS 37.5 +\ .*tRC min 50.625 ns +\ .CL 7 CK +\ .CWL 6 CK +\ tCK(AVG) (for CL=7/CWL=6) 1.875-<2.5 ns +\ .tREFI 7.8 uS +\ +\ 13.125 / 7 = 1.875 (533 MHz clock) +\ +\ (also works with CL8/CWL6 and CL6/CWL5) +\ 29F8G08ABABA +\ +\ .*tRFC 110 nS +\ .*tRTP max(4nCLK, 7.5nS) +\ .*tWTR max(4nCLK, 7.5nS) +\ .*tWR 15 ns +\ .*tMRD 4 T +\ .*tMOD max(12nCLK, 15nS) +\ .*tCCD 4 T +\ tMPRR 1 T +\ .*tRRD 1K page max(4nCLK, 7.5nS) +\ .*tFAW 1K page 37.5 nS +\ .*tZQinit 512 +\ .*tZQoper 256 +\ .*tZQCS 64 +\ tXPR max(tnCK, tRFC+10nS) 120 nS (Exit Reset from CKE HIGH to a valid command) +\ .*tXS (tXSNR) max(5nCK, tRFC+10nS) 120nS +\ .*tXSDLL (tXSRD) 512 +\ .*tXP max(3nCK, 7.5ns) +\ .tXPDLL max(10nCK, 24ns) +\ .*tCKE max(3nCK, 5.625ns) DDD +\ tCKESR tCKE(min) + 1tCK +\ tCKSRE max(5nCK, 10ns) +\ tCKSRX max(5nCK, 10ns) + +mmap0 +h# 0000.0000 d# 23 rshift start-addr +h# 4000.0000 log2 d# 16 - area-length +h# 0000.0000 d# 23 rshift addr-mask +1 cs-valid +outbits + +mmap1 +h# 4000.0000 d# 23 rshift start-addr +h# 4000.0000 log2 d# 16 - area-length +h# 0000.0000 d# 23 rshift addr-mask +0 cs-valid +outbits + +sdram-config-type1-cs0 +0 pasr +2 rtt_wrn \ Datasheet says unsupported, but spreadsheet sets it +1 rttn +0 odsn +8 log2 1- csn-no-bank +d# 14 d# 10 - csn-no-row +d# 10 7 - csn-no-col +outbits + +sdram-config-type1-cs1 +0 pasr +2 rtt_wrn \ Datasheet says unsupported, but spreadsheet sets it +1 rttn +0 odsn +8 log2 1- csn-no-bank +d# 14 d# 10 - csn-no-row +d# 10 7 - csn-no-col +outbits + +\ sdram-config-type1-cs2 +\ 0 pasr +\ 0 rtt_wrn \ Datasheet says unsupported, but spreadsheet sets it +\ 0 rttn +\ 0 odsn +\ 0 ( 8 log2 1- ) csn-no-bank +\ 0 ( d# 14 d# 10 - ) csn-no-row +\ 0 ( d# 10 7 - ) csn-no-col +\ outbits +\ +\ sdram-config-type1-cs3 +\ 0 pasr +\ 0 rtt_wrn \ Datasheet says unsupported, but spreadsheet sets it +\ 0 rttn +\ 0 odsn +\ 0 ( 8 log2 1- ) csn-no-bank +\ 0 ( d# 14 d# 10 - ) csn-no-row +\ 0 ( d# 10 7 - ) csn-no-col +\ outbits + +sdram-config-type2-cs0 +0 segment-mask +0 bank-mask +outbits + +sdram-config-type2-cs1 +0 segment-mask +0 bank-mask +outbits + +sdram-timing1 +4 tccd +d# 7.500 ns>clk 4 max trtp +d# 7.500 ns>clk 4 max twtr +d# 50.625 ns>clk trc +d# 7.8 d# 26 d# 10 */ trefi \ 7.8 uS is the refresh interval, 26 MHz is the refresh clock rate +outbits + +sdram-timing2 +d# 13.125 ns>clk 0 max trp +d# 7.500 ns>clk 4 max trrd +d# 13.125 ns>clk 0 max trcd +d# 15.000 ns>clk 0 max twr +d# 110.000 ns>clk trfc + 4 tmrd +outbits + +sdram-timing3 +d# 15.000 ns>clk d# 12 max tmod + 0 txsnr-8 \ Needs checking !!! +d# 512.000 ns>clk d# 512 max txsrd +d# 120.000 ns>clk d# 5 max txsnr \ Needs checking !!! +d# 24.000 ns>clk d# 10 max txards +d# 7.500 ns>clk d# 3 max txp +outbits + +sdram-timing4 +d# 5.625 ns>clk d# 4 max tcke +d# 200000.000 ns>clk d# 1024 /roundup init-count + 1 trwd-ext-dly +d# 100.000 ns>clk reset-count +d# 390 init-count-nop +outbits + +sdram-timing5 +d# 37.500 ns>clk 0 max tras +d# 37.500 ns>clk 0 max tfaw +d# 1 tccd-ccs-ext-dly +outbits + +sdram-timing6 +0 d# 64 max tzqcs +0 d# 256 max tzqoper +0 d# 512 max tzqinit +outbits + +sdram-ctrl1 +1 aps-en +1 aps-type +4 aps-value +d# 12.500 ns>clk acs-exit-dly +0 acs-en +0 dll-reset +0 cas-bt +0 outen +0 tw2r-dis +outbits + +sdram-ctrl2 +0 ref-posted-en +0 ref-posted-max +d# 16 sdram-line-boundary +0 refpb-mode +0 pd-mode +0 2t-mode +0 rdimm-mode +1 aprecharge +0 int-shadow-mode +0 test-mode +outbits + +sdram-ctrl3 +1 early-cmd-en +1 mc-flop-req-en +0 mstr3-early-write-en +0 mstr2-early-write-en +0 mstr3-fast-write-en +0 mstr2-fast-write-en +0 sb-early-write-uservalue +0 cpu-early-write-uservalue +0 sb-early-write-user +0 cpu-early-write-user +0 sb-early-write-en +0 cpu-early-write-en +0 sb-fast-write-en +0 cpu-fast-write-en +outbits + +sdram-ctrl4 +0 sdram-dll-en +0 dqsb-en +1 fast-bank +3 burst-length \ 3 = BL8 for DDR3 +0 al-number \ unsupported +0 al-en +0 rq-ds-en +3 cas-latency \ For DDR3, upper 3 bits of CL - so 3 for CL6 and CL7 +0 cas-latency-lower \ For DDR3, lower bit of CL - so 0 for CL6, 1 for CL7 +1 cwl \ 0 for WL5, 1 for WL6, 2 for WL7, 3 for WL8 +0 s4-type \ LPDDR2 only +0 asr \ DDR3 only +0 srt \ DDR3 only +0 mpr \ DDR3 only +2 sdram-type \ 2 = DDR3 +1 data-width \ 0 = x16, 1 = x32 +outbits + +sdram-ctrl5-arb-weights +1 master-3-weight +1 master-2-weight +1 master-1-weight +1 master-0-weight +outbits + +sdram-ctrl6-odt-ctrl +0 odt1-read-en +0 odt1-write-en +0 odt0-read-en +1 odt0-write-en +outbits + +sdram-ctrl7-odt-ctrl2 +1 pad-term-switch-mode \ Termination enabled on any read or write +0 odt1-switch-mode \ Disabled +2 odt0-switch-mode \ Controlled by write_en and read_en +outbits + +sdram-ctrl8-odt-ctrl2 +1 xpage-en +3 mc-queue-size-f +3 mc-queue-size +outbits + +sdram-ctrl11-arb-weights-fast-queue +1 master-3-weight-f +1 master-2-weight-f +1 master-1-weight-f +1 master-0-weight-f +outbits + +sdram-ctrl13 +1 mstr-wrap-en +outbits + +sdram-ctrl14 +0 block-all-data-requests +outbits + +mcb-ctrl4 +0 mcbx-wrap-burst-en +0 mcbx-rgerr-en +outbits + +mcb-slfst-sel +1 mcbx-select \ Select MCB1 +outbits + +mcb-slfst-ctrl0 +0 mstr3-wgt-slow +0 mstr2-wgt-slow +0 mstr1-wgt-slow +0 mstr0-wgt-slow +0 mstr3-wgt-fast +0 mstr2-wgt-fast +0 mstr1-wgt-fast +0 mstr0-wgt-fast +outbits + +mcb-slfst-ctrl1 +0 page-timeout-en-stage2 +0 page-timeout-val-stage2 +0 page-timeout-val-slow +0 page-timeout-val-fast +0 page-timeout-en-slow +0 page-timeout-en-fast +0 wrr-en-slow +0 page-en-slow +0 wrr-en-fast +0 page-en-fast +0 wrr-en-stage2 +0 page-en-stage2 +0 slow-wgt-stage2 +0 fast-wgt-stage2 +outbits + +mcb-slfst-ctrl2 +0 priority-stage2 +0 priority-en-stage2 +0 priority-en-slow +0 priority-en-fast +0 priority-slow-1st +0 priority-slow-2nd +0 priority-slow-3rd +0 priority-slow-4th +0 priority-fast-1st +0 priority-fast-2nd +0 priority-fast-3rd +0 priority-fast-4th +outbits + +mcb-slfst-ctrl3 +0 mstr3-slow-half +0 mstr2-slow-half +0 mstr1-slow-half +0 mstr0-slow-half +0 mstr3-fast-half +0 mstr2-fast-half +0 mstr1-fast-half +0 mstr0-fast-half +outbits + +cm-write-protection +0 write-protection +outbits + +phy-ctrl11 +0 mc-sync-type +outbits + +\ This is the base value +phy-ctrl14 +1 phy-sync-en +0 dll-update-en +0 phy-dll-rst +0 phy-pll-rst +0 dll-update-en-static +outbits + +\ Assert DLL reset +phy-ctrl14 +1 phy-sync-en +0 dll-update-en +1 phy-dll-rst +0 phy-pll-rst +0 dll-update-en-static +outbits + +\ Release DLL reset +phy-ctrl14 +1 phy-sync-en +0 dll-update-en +0 phy-dll-rst +0 phy-pll-rst +0 dll-update-en-static +outbits + +\ First value, with auto-cal enabled +phy-ctrl10 +1 pad-cal-interval +b# 000 pad-cal-auto-sel \ Used fixed values, not autocalibration +1 pad-cal-auto +3 read-fifo-depth +0 write-dqsb-one +0 ext-req-phy-sync-dis +1 write-dqsb-en +1 mc-qsn-pd +1 mc-qsp-pd +1 mc-dq-pd +0 mc-ck-pd +0 mc-ac-d +outbits + +show-auto-cal + +\ Final value, with auto-cal disabled to save power +phy-ctrl10 +1 pad-cal-interval +b# 000 pad-cal-auto-sel \ Used fixed values, not autocalibration +0 pad-cal-auto +3 read-fifo-depth +0 write-dqsb-one +0 ext-req-phy-sync-dis +1 write-dqsb-en +1 mc-qsn-pd +1 mc-qsp-pd +1 mc-dq-pd +0 mc-ck-pd +0 mc-ac-d +outbits + +phy-ctrl3 +h# 2000 phy-res \ Reserved, but Marvell spreadsheet sets it +0 phy-rfifo-rd-rst-early +1 phy-rfifo-rd-rst-en +0 dq-oen-extend +0 dq-oen-dly +0 rd-ext-dly +4 phy-rfifo-rptr-dly-val \ Tune me !!! +4 dq-ext-dly \ Tune me !!! +outbits + +phy-ctrl7 +1 phy-qs-vref-sel +b# 1111 phy-dq-zpdrv +b# 1111 phy-dq-zndrv +b# 1000 phy-dq-zptrm +b# 0100 phy-dq-zntrm +b# 1000 phy-dq-znr +b# 0100 phy-dq-zpr +b# 10 phy-dq-vref-sel +0 phy-dq-zd +1 phy-dq-mode +outbits + +phy-ctrl8 +b# 1111 phy-adcm-zpdrv +b# 1111 phy-adcm-zndrv +b# 0000 phy-adcm-zptrm +b# 0000 phy-adcm-zntrm +b# 1000 phy-adcm-znr +b# 0100 phy-adcm-zpr +0 phy-adcm-zd +outbits + +phy-ctrl9 +0 phy-dq-rc-vtype +0 phy-qs-rc-vtype +0 phy-dq-rc-vep +0 phy-dq-rc-ven +0 phy-ck-zd +0 phy-wck-ds-dly +0 phy-wc-qs-dly +0 phy-wck-ac-dly +0 phy-wck-ck-dly +b# 1000 phy-ck-znr +b# 0100 phy-ck-zpr +outbits + +phy-ctrl13 +2 dll-resrt-timer +0 dll-update-stall-mc-dis +d# 16 dll-delay-test +d# 08 dll-phsel +1 dll-auto-manual-up +0 dll-auto-update-en +0 dll-test-en +0 dll-bypass-en +outbits + +phy-dll-ctrl1 +d# 16 dll-delay-test +d# 8 dll-phsel +0 dll-auto-update-en +0 dll-test-en +0 dll-bypass-en +outbits + +phy-dll-ctrl2 +d# 16 dll-delay-test +d# 8 dll-phsel +0 dll-auto-update-en +0 dll-test-en +0 dll-bypass-en +outbits + +phy-dll-ctrl3 +d# 16 dll-delay-test +d# 8 dll-phsel +0 dll-auto-update-en +0 dll-test-en +0 dll-bypass-en +outbits + +phy-ctrl-wl-select +0 phy-wl-dqs-recen-dqs +0 phy-wl-cs-sel +0 phy-wl-byte-sel +outbits + +phy-ctrl-wl-ctrl0 +0 phy-wl-wck-qs-dly +0 phy-wl-wck-dq-dly +outbits + +\ Send init command to all chip selects at once +user-initiated-command0 +b# 00 user-dpd-req +b# 01 chip-select +0 user-zq-reset +0 user-zq-short +0 user-zq-long +0 user-lmr3-req +0 user-lmr2-req +0 user-lmr1-req +0 user-lmr0-req +0 user-sr-req +0 user-pre-ps-req +0 user-act-ps-req +1 sdram-init-req +outbits + +wait-dram-init + +\ Send MRW MR10 (ZQ long cal) to each chip select individually +user-initiated-command0 +b# 00 user-dpd-req +b# 01 chip-select +0 user-zq-reset +0 user-zq-short +1 user-zq-long +0 user-lmr3-req +0 user-lmr2-req +0 user-lmr1-req +0 user-lmr0-req +0 user-sr-req +0 user-pre-ps-req +0 user-act-ps-req +0 sdram-init-req +outbits + +wait-tzqinit + +\ Send MRW MR10 (ZQ long cal) to another chip select and wait if necessary + +do-dummy-reads + +show-dll-delay

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[commit] r1968 - cpu/arm/olpc/1.75
by repository service 08 Oct '10

08 Oct '10

Author: wmb Date: Fri Oct 8 08:37:32 2010 New Revision: 1968 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1968 Log: OLPC XO-1.75 - Added compiler for DRAM configurations. Added: cpu/arm/olpc/1.75/dram-xdb.fth cpu/arm/olpc/1.75/dram.fth Added: cpu/arm/olpc/1.75/dram-xdb.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/olpc/1.75/dram-xdb.fth Fri Oct 8 08:37:32 2010 (r1968) @@ -0,0 +1,74 @@ +\ Generate an XDB (Marvell Extreme Debugger) script from DRAM setup info + +0 value this-reg-xt +0 value this-reg-adr +0 value this-reg-value +: note-mem-reg ( apf -- ) + dup body> to this-reg-xt + @ +mem-ctrl to this-reg-adr + 0 to this-reg-value +; +' note-mem-reg to do-mem-reg + +: (do-bits) ( value start #bits -- ) + drop lshift this-reg-value or to this-reg-value +; +' (do-bits) to do-bits + +: .xu ( n -- ) + push-hex + <# u# u# u# u# u# u# u# u# u#> 2dup upper type + pop-base +; +: xdb-outbits ( -- ) + ." set value *(unsigned long *)0x" + this-reg-adr .xu + ." = 0x" + this-reg-value .xu + ." !#____" + this-reg-xt >name name>string + bounds ?do + i c@ dup [char] - = if drop ." _" else upc emit then + loop + cr +; +' xdb-outbits to outbits + +: show-auto-cal ( -- ) + ." print ""**** Result of Pad drive strength auto cal (ZPR in [23:20], ZNR in [19:16] of PHY_CTRL14)\n\n""" cr + ." show mem /length=4 /size=long 0xD0000240" cr + ." print "" __^^____\n""" cr +; + +: wait-dram-init ( -- ) + cr + ." print ""**** DDR Init completed bit0=1 of DRAM_STATUS:\n""" cr + ." show mem /length=4 /size=long 0xD00001B0" cr + ." print "" _______^\n""" cr + ." print ""\n""" cr + cr +; + +: wait-tzqinit ( -- ) ; + +: do-dummy-reads ( -- ) + exit \ Maybe we don't need this because we don't set dll_auto_update_en + ." !#__Dummy Reads for PHY DQ byte read DLLs to update (U-PHY65)__________________" cr + ." !# if auto_update_en is used we need 131 dummy DQS cycles to allow master DLL" cr + ." !# to update properly per DRAM PHY App Note." cr + ." print ""**** Performing 131 DWORD Dummy Reads for PHY DQ DLL auto update mode:\n""" cr + ." set val @input=0" cr + ." while 1 then" cr + ." set val @temp = *(unsigned long *) 0x0" cr + ." set val @input=@input+1" cr + ." if @input==131 then break end" cr + ." end" cr +; + +: show-dll-delay ( -- ) + cr + ." print ""**** DDRPHY: DLL_DELAY_OUT delay value in bits 15:8 of register PHY_CTRL14:\n""" cr + ." show mem /length=4 /size=long 0xD0000240" cr + ." print "" ____^^__\n""" cr + ." print ""\n""" cr +; Added: cpu/arm/olpc/1.75/dram.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/olpc/1.75/dram.fth Fri Oct 8 08:37:32 2010 (r1968) @@ -0,0 +1,609 @@ +\ From K4B1G04(08/16)46E datasheet: + + +h# d0000000 constant mem-ctrl-base +: +mem-ctrl ( offset -- adr ) mem-ctrl-base + ; + +defer do-mem-reg ( apf -- ) +' drop to do-mem-reg + +defer outbits +' noop to outbits + +: mem-reg: ( offset -- ) create , does> do-mem-reg ; + +defer do-bits ( startbit# #bits -- ) +' 2drop to do-bits + +: bits: ( startbit# #bits -- ) create , , does> 2@ do-bits ; + +h# 20 mem-reg: sdram-config-type1-cs0 +h# 30 mem-reg: sdram-config-type1-cs1 +h# 40 mem-reg: sdram-config-type1-cs2 +h# b300 mem-reg: sdram-config-type1-cs3 +decimal +28 3 bits: pasr +20 2 bits: rtt_wrn +17 3 bits: rttn +14 3 bits: odsn +12 2 bits: csn-no-bank + 8 4 bits: csn-no-row + 4 4 bits: csn-no-col +hex +h# 50 mem-reg: sdram-timing1 +decimal +29 3 bits: tccd +26 3 bits: trtp +22 4 bits: twtr +16 6 bits: trc + 0 16 bits: trefi +hex +h# 60 mem-reg: sdram-timing2 +decimal +28 4 bits: trp +24 4 bits: trrd +20 4 bits: trcd +16 4 bits: twr + 4 9 bits: trfc + 0 3 bits: tmrd +hex +h# 80 mem-reg: sdram-ctrl1 +decimal +31 1 bits: aps-en +28 3 bits: aps-type +16 12 bits: aps-value +12 3 bits: acs-exit-dly + 7 1 bits: acs-en + 6 1 bits: dll-reset + 4 1 bits: cas-bt + 3 1 bits: outen + 1 1 bits: tw2r-dis +hex +h# 90 mem-reg: sdram-ctrl2 +decimal +27 1 bits: ref-posted-en +24 3 bits: ref-posted-max +16 6 bits: sdram-line-boundary + 9 1 bits: refpb-mode + 8 1 bits: pd-mode + 6 1 bits: 2t-mode + 5 1 bits: rdimm-mode + 4 1 bits: aprecharge + 1 1 bits: int-shadow-mode + 0 1 bits: test-mode +hex + +h# f0 mem-reg: sdram-ctrl3 +decimal +31 1 bits: early-cmd-en +30 1 bits: mc-flop-req-en +19 1 bits: mstr3-early-write-en +18 1 bits: mstr2-early-write-en +17 1 bits: mstr3-fast-write-en +16 1 bits: mstr2-fast-write-en + 9 3 bits: sb-early-write-uservalue + 6 3 bits: cpu-early-write-uservalue + 5 1 bits: sb-early-write-user + 4 1 bits: cpu-early-write-user + 3 1 bits: sb-early-write-en + 2 1 bits: cpu-early-write-en + 1 1 bits: sb-fast-write-en + 0 1 bits: cpu-fast-write-en +hex + +h# 100 mem-reg: mmap0 +h# 110 mem-reg: mmap1 +decimal +23 9 bits: start-addr +16 4 bits: area-length + 7 9 bits: addr-mask + 0 1 bits: cs-valid +hex + +h# 120 mem-reg: user-initiated-command0 +decimal +28 2 bits: user-dpd-req +24 2 bits: chip-select +14 1 bits: user-zq-reset +13 1 bits: user-zq-short +12 1 bits: user-zq-long +11 1 bits: user-lmr3-req +10 1 bits: user-lmr2-req + 9 1 bits: user-lmr1-req + 8 1 bits: user-lmr0-req + 6 2 bits: user-sr-req + 5 1 bits: user-pre-ps-req + 4 1 bits: user-act-ps-req + 0 1 bits: sdram-init-req +hex + +h# 140 mem-reg: phy-ctrl3 +decimal +16 16 bits: phy-res \ Reserved, but Marvell spreadsheet sets it +15 1 bits: phy-rfifo-rd-rst-early +14 1 bits: phy-rfifo-rd-rst-en +12 1 bits: dq-oen-extend +10 2 bits: dq-oen-dly + 7 3 bits: rd-ext-dly + 4 3 bits: phy-rfifo-rptr-dly-val + 0 4 bits: dq-ext-dly +hex + +h# 180 mem-reg: cm-write-protection +decimal +0 32 bits: write-protection +hex + +h# 190 mem-reg: sdram-timing3 +decimal +28 4 bits: tmod +26 1 bits: txsnr-8 +16 10 bits: txsrd + 8 8 bits: txsnr + 3 5 bits: txards + 0 3 bits: txp +hex + +h# 1a0 mem-reg: sdram-ctrl4 +decimal +31 1 bits: sdram-dll-en +30 1 bits: dqsb-en +29 1 bits: fast-bank +22 3 bits: burst-length \ 3 = BL8 for DDR3 +19 3 bits: al-number \ unsupported +18 1 bits: al-en +17 1 bits: rq-ds-en +14 3 bits: cas-latency +13 1 bits: cas-latency-lower +10 3 bits: cwl + 8 1 bits: s4-type \ LPDDR2 only + 7 1 bits: asr \ DDR3 only + 6 1 bits: srt \ DDR3 only + 5 1 bits: mpr \ DDR3 only + 2 3 bits: sdram-type \ 2 = DDR3 + 0 2 bits: data-width +hex + +h# 1b0 mem-reg: dram-status + +h# 1c0 mem-reg: sdram-timing4 +decimal +28 2 bits: tcke +20 8 bits: init-count +17 3 bits: trwd-ext-dly +10 7 bits: reset-count +0 10 bits: init-count-nop +hex + +h# 1d0 mem-reg: phy-ctrl7 +decimal +28 2 bits: phy-qs-vref-sel +24 4 bits: phy-dq-zpdrv +20 4 bits: phy-dq-zndrv +16 4 bits: phy-dq-zptrm +12 4 bits: phy-dq-zntrm + 8 4 bits: phy-dq-znr + 4 4 bits: phy-dq-zpr + 2 2 bits: phy-dq-vref-sel + 1 1 bits: phy-dq-zd + 0 1 bits: phy-dq-mode +hex + +h# 1e0 mem-reg: phy-ctrl8 +decimal +24 4 bits: phy-adcm-zpdrv +20 4 bits: phy-adcm-zndrv +16 4 bits: phy-adcm-zptrm +12 4 bits: phy-adcm-zntrm + 8 4 bits: phy-adcm-znr + 4 4 bits: phy-adcm-zpr + 1 1 bits: phy-adcm-zd +hex + +h# 1f0 mem-reg: phy-ctrl9 +decimal +31 1 bits: phy-dq-rc-vtype +30 1 bits: phy-qs-rc-vtype +27 3 bits: phy-dq-rc-vep +24 3 bits: phy-dq-rc-ven +21 1 bits: phy-ck-zd +17 3 bits: phy-wck-ds-dly +14 3 bits: phy-wc-qs-dly +11 3 bits: phy-wck-ac-dly + 8 3 bits: phy-wck-ck-dly + 4 4 bits: phy-ck-znr + 0 4 bits: phy-ck-zpr +hex + +h# 200 mem-reg: phy-ctrl10 +decimal +20 2 bits: pad-cal-interval +17 3 bits: pad-cal-auto-sel +16 1 bits: pad-cal-auto +12 2 bits: read-fifo-depth +10 1 bits: write-dqsb-one + 9 1 bits: ext-req-phy-sync-dis + 8 1 bits: write-dqsb-en + 4 1 bits: mc-qsn-pd + 3 1 bits: mc-qsp-pd + 2 1 bits: mc-dq-pd + 1 1 bits: mc-ck-pd + 0 1 bits: mc-ac-d +hex + +h# 210 mem-reg: phy-ctrl11 +decimal + 0 1 bits: mc-sync-type +hex + +h# 230 mem-reg: phy-ctrl13 +decimal +28 4 bits: dll-resrt-timer +27 1 bits: dll-update-stall-mc-dis +16 9 bits: dll-delay-test + 4 5 bits: dll-phsel + 3 1 bits: dll-auto-manual-up + 2 1 bits: dll-auto-update-en + 1 1 bits: dll-test-en + 0 1 bits: dll-bypass-en +hex + +h# 240 mem-reg: phy-ctrl14 +decimal +31 1 bits: phy-sync-en +30 1 bits: dll-update-en +29 1 bits: phy-dll-rst +28 1 bits: phy-pll-rst +27 1 bits: dll-update-en-static +20 4 bits: phy-cal-zpr +16 4 bits: phy-cal-znr + 8 8 bits: dll-delay-out + 5 1 bits: dll-clk-tst + 1 1 bits: pll-pin-tst + 0 1 bits: pll-pll-lock +hex + +h# 280 mem-reg: sdram-ctrl5-arb-weights +decimal +24 4 bits: master-3-weight +16 4 bits: master-2-weight + 8 4 bits: master-1-weight + 0 4 bits: master-0-weight +hex + +\ h# 2c0 mem-reg: sys +\ h# 380 mem-reg: exclusive-monitor-ctrl +h# 3b0 mem-reg: trustzone-sel +decimal +31 1 bits: tz-lock + 0 2 bits: tz-reg-sel +hex + +h# 3c0 mem-reg: trustzone-range0 +decimal +20 12 bits: tz-range1 + 4 12 bits: tz-range0 +hex + +h# 3d0 mem-reg: trustzone-range1 +decimal +20 12 bits: tz-range3 + 4 12 bits: tz-range2 +hex + +h# 3e0 mem-reg: trustzone-permission +decimal +31 1 bits: tz-enable +12 3 bits: tzact-ru + 9 3 bits: tzact-r3 + 6 3 bits: tzact-r2 + 3 3 bits: tzact-r1 + 0 3 bits: tzact-r0 +hex + +h# 410 mem-reg: user-initiated-command1 +decimal +24 2 bits: chip-select +17 1 bits: mrw \ LPDDR2 only +16 1 bits: mrr \ LPDDR2 only + 0 8 bits: addr \ LPDDR2 only +hex + +h# 440 mem-reg: mode-rd-data +decimal +\ 0 8 bits: mrr-data \ LPDDR2 only +hex + +h# 490 mem-reg: error-id +decimal +31 1 bits: error-oor +30 1 bits: error-tz + 0 12 bits: error-id +hex + +h# 4a0 mem-reg: error-addr + +h# 4d0 mem-reg: test-mode1 +decimal +20 4 bits: csn +18 3 bits: bank-address + 0 14 bits: address +hex + +h# 540 mem-reg: mcb-ctrl4 +decimal +25 1 bits: mcbx-wrap-burst-en +17 1 bits: mcbx-rgerr-en +hex + +h# 570 mem-reg: mcb-slfst-sel +decimal + 0 2 bits: mcbx-select +hex + +h# 580 mem-reg: mcb-slfst-ctrl0 +decimal +28 4 bits: mstr3-wgt-slow +24 4 bits: mstr2-wgt-slow +20 4 bits: mstr1-wgt-slow +16 4 bits: mstr0-wgt-slow +12 4 bits: mstr3-wgt-fast + 8 4 bits: mstr2-wgt-fast + 4 4 bits: mstr1-wgt-fast + 0 4 bits: mstr0-wgt-fast +hex + +h# 590 mem-reg: mcb-slfst-ctrl1 +decimal +\ 29 3 bits: reserved +28 1 bits: page-timeout-en-stage2 +24 4 bits: page-timeout-val-stage2 +20 4 bits: page-timeout-val-slow +16 4 bits: page-timeout-val-fast +15 1 bits: page-timeout-en-slow +14 1 bits: page-timeout-en-fast +13 1 bits: wrr-en-slow +12 1 bits: page-en-slow +11 1 bits: wrr-en-fast +10 1 bits: page-en-fast +9 1 bits: wrr-en-stage2 +8 1 bits: page-en-stage2 +4 4 bits: slow-wgt-stage2 +0 4 bits: fast-wgt-stage2 +hex + +h# 5a0 mem-reg: mcb-slfst-ctrl2 +decimal +\ 20 12 bits: reserved +19 1 bits: priority-stage2 +18 1 bits: priority-en-stage2 +17 1 bits: priority-en-slow +16 1 bits: priority-en-fast +14 2 bits: priority-slow-1st +12 2 bits: priority-slow-2nd +10 2 bits: priority-slow-3rd +8 2 bits: priority-slow-4th +6 2 bits: priority-fast-1st +4 2 bits: priority-fast-2nd +2 2 bits: priority-fast-3rd +0 2 bits: priority-fast-4th +hex + +h# 5b0 mem-reg: mcb-slfst-ctrl3 +decimal +\ 8 24 bits: reserved +7 1 bits: mstr3-slow-half +6 1 bits: mstr2-slow-half +5 1 bits: mstr1-slow-half +4 1 bits: mstr0-slow-half +3 1 bits: mstr3-fast-half +2 1 bits: mstr2-fast-half +1 1 bits: mstr1-fast-half +0 1 bits: mstr0-fast-half +hex + +h# 650 mem-reg: sdram-timing5 +decimal +16 6 bits: tras + 4 6 bits: tfaw + 0 3 bits: tccd-ccs-ext-dly +hex + +h# 660 mem-reg: sdram-timing6 +decimal +20 9 bits: tzqcs +10 9 bits: tzqoper + 0 9 bits: tzqinit +hex + +h# 760 mem-reg: sdram-ctrl6-odt-ctrl +decimal +12 4 bits: odt1-read-en + 8 4 bits: odt1-write-en + 4 4 bits: odt0-read-en + 0 4 bits: odt0-write-en +hex + +h# 770 mem-reg: sdram-ctrl7-odt-ctrl2 +decimal +24 2 bits: pad-term-switch-mode + 2 2 bits: odt1-switch-mode + 0 2 bits: odt0-switch-mode +hex + +h# 780 mem-reg: sdram-ctrl8-odt-ctrl2 +decimal + 8 1 bits: xpage-en + 4 4 bits: mc-queue-size-f + 0 4 bits: mc-queue-size +hex + +h# 7b0 mem-reg: sdram-ctrl11-arb-weights-fast-queue +decimal +24 4 bits: master-3-weight-f +16 4 bits: master-2-weight-f + 8 4 bits: master-1-weight-f + 0 4 bits: master-0-weight-f +hex + +h# 7d0 mem-reg: sdram-ctrl13 +decimal + 0 4 bits: mstr-wrap-en +hex + +h# 7e0 mem-reg: sdram-ctrl14 +decimal + 0 1 bits: block-all-data-requests +hex + +h# b40 mem-reg: sdram-config-type2-cs0 +decimal + 8 8 bits: segment-mask + 0 8 bits: bank-mask +hex + +h# b50 mem-reg: sdram-config-type2-cs1 +decimal +\ 8 8 bits: segment-mask +\ 0 8 bits: bank-mask +hex + +h# c00 mem-reg: register-table-ctrl-0 +decimal +31 1 bits: regtable-write + 5 2 bits: regtable-sel + 0 5 bits: regtable-addr +hex + +h# c20 mem-reg: register-table-data-0 +h# c30 mem-reg: register-table-data-1 +decimal +12 1 bits: regtable-eop + 0 11 bits: regtable-reg-off +hex + +h# e10 mem-reg: phy-dll-ctrl1 +decimal +16 9 bits: dll-delay-test + 4 5 bits: dll-phsel + 2 1 bits: dll-auto-update-en + 1 1 bits: dll-test-en + 0 1 bits: dll-bypass-en +hex + +h# e20 mem-reg: phy-dll-ctrl2 +\ same +h# e30 mem-reg: phy-dll-ctrl3 +\ same + +h# e40 mem-reg: phy-ctrl-wl-select +decimal +16 1 bits: phy-wl-dqs-recen-dqs + 8 4 bits: phy-wl-cs-sel + 0 4 bits: phy-wl-byte-sel +hex + +h# e50 mem-reg: phy-ctrl-wl-ctrl0 +decimal +16 7 bits: phy-wl-wck-qs-dly + 0 7 bits: phy-wl-wck-dq-dly +hex + +h# e80 mem-reg: phy-ctrl-testmode +decimal +\ 4 1 bits: phy-si +\ 3 1 bits: phy-tms +\ 2 1 bits: phy-tdoe +\ 1 1 bits: phy-se +\ 0 1 bits: phy-ase +hex + +h# f00 mem-reg: performance-counter-ctrl-0 +decimal +12 4 bits: pc-int-en-clear + 8 4 bits: pc-int-en-set + 4 4 bits: pc-reg-en-clear + 0 4 bits: pc-reg-en-set +hex + +h# f10 mem-reg: performance-counter-ctrl-1 +decimal +16 3 bits: pc-clk-div + 4 4 bits: pc-stop-cond + 0 4 bits: pc-start-cond +hex + +h# f20 mem-reg: performance-counter-status +decimal +16 3 bits: pc-ovrflow + 8 4 bits: pc-int-en + 0 4 bits: pc-reg-en +hex + +h# f40 mem-reg: performance-counter-select +decimal +31 1 bits: pc-event-update + 8 5 bits: pc-event-sel + 0 4 bits: pc-reg-sel +hex + +h# f50 mem-reg: performance-counter +\ 32 bits - pc-counter + +\ 1. SDRAM Config Reg Type 1 (for the one chip select) +\ If ODT: program RTT values +\ +\ Registers: d0000020, d0000030 +\ Elpida 512m: 6420, 6420 RTTn 000 ODS 001 NO_BANK 10 (8) . NO_ROW 4 (14) . NO_COL 2 (9) . 0 +\ Micron 256m: 6320, 6320 RTTn 000 ODS 001 NO_BANK 10 (8) . NO_ROW 3 (13) . NO_COL 2 (9) . 0 +\ Samsung 1g: 6430, 6430 RTTn 000 ODS 001 NO_BANK 10 (8) . NO_ROW 4 (14) . NO_COL 3 (10) . 0 +\ +\ Type 2: d0000b40, d0000b50: 0 (LPDDR2 only) +\ +\ 2. Program 6 timing registers according to RAM timings +\ +\ Register d000.0050 timing 1 +\ Elpida 512m: 488700C5 tCCD 010 tRTP 010 tWTR 0010 tRC 7 tREFI c5 (197) (tRC=7=17.5nS tREFI=197=492.5nS) +\ Micron 256m: 488600C5 tCCD 010 tRTP 010 tWTR 0010 tRC 6 tREFI c5 (197) (tRC=6=15nS tREFI=197=492.5nS) +\ Samsung 1g: *tCCD 4 *tRTP 4 *tWTR 4 *tRC 50.6ns tREFI (197) (tRC=6=15nS tREFI=197=492.5nS) +\ +\ Register d000.0060 timing 2 +\ Elpida 512m: 323300d2 tRP 3 tRRD 2 tRCD 3 tWR 3 tRFC 0d tMRD 2 +\ Micron 256m: 323300d2 tRP 3 tRRD 2 tRCD 3 tWR 3 tRFC 0d tMRD 2 +\ Samsung 1g: *tRP 7! *tRRD 4 *tRCD 7! *tWR 8! *tRFC 0x3b! (59) tMRD 4 ! - for tCK=1.875 - 533 MHz +\ +\ Register d000.0190 timing 3 +\ Elpida 512m: 20000e12 tMOD 2 tXSRD 0 tXSNR 0e tXARDS 00010 tXP 2 +\ Micron 256m: 20000e12 tMOD 2 tXSRD 0 tXSNR 0e tXARDS 00010 tXP 2 +\ Samsung 1g: *tMOD 0c *tXSRD 0x200 *tXSNR 0x40 ,tXARDS 7 *tXP 4 +\ +\ Register d000.01c0 timing 4 +\ Elpida 512m: 3023009d tCKE 3 INIT_COUNT 02 TRWD_EXT_DLY 001 RESET_COUNT 00 INIT_COUNT_NOP 9d +\ Micron 256m: 3023009d tCKE 3 INIT_COUNT 02 TRWD_EXT_DLY 001 RESET_COUNT 00 INIT_COUNT_NOP 9d +\ Samsung 1g: *tCKE 3 INIT_COUNT ? TRWD_EXT_DLY ? RESET_COUNT ? INIT_COUNT_NOP ? +\ +\ Register d000.0650 timing 5 +\ Elpida 512m: 00050082 tRAS 5 tFAW 8 tCCD_CCS_EXT_DLY 2 +\ Micron 256m: 00050082 tRAS 5 tFAW 8 tCCD_CCS_EXT_DLY 2 +\ Samsung 1g: *tRAS 0x14! *tFAW 0x14! ,tCCD_CCS_EXT_DLY 1 +\ +\ Register d000.0660 timing 6 +\ Elpida 512m: 00909064 tZQCS 9 tZQOPER 0.0010.0100 tZQINIT 64 +\ Micron 256m: 00909064 tZQCS 9 tZQOPER 0.0010.0100 tZQINIT 64 +\ Samsung 1g: *tZQCS 0x40 *tZQOPER 0x100 *tZQINIT 0x200 +\ +\ 3. SDRAM Control Reg 4 (other control registers are non-essential) +\ +\ 4. If ODT: SDRAM Control Reg 6 and SDRAM Control Reg 7 (only enable ODT# with writing to CS#) +\ +\ 5. PHY control reg values must be calibrated with scope +\ +\ 6. Memory Address Map Register for CS0# - then NOPs for decoder to settle +\ Configuration Register Decode Address - then NOPs +\ +\ 7. Write 1 to User Initiated Command Reg 0 +\ Read DRAM Status Register until init done status is seen +\ +\ (now can do data access) +\ +\ 8. Other registers are optional - but some of them must be done before step 7

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[commit] r1967 - cpu/arm/olpc/1.75
by repository service 08 Oct '10

08 Oct '10

Author: wmb Date: Fri Oct 8 08:35:59 2010 New Revision: 1967 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1967 Log: Added cpu/arm/olpc/1.75 subdirectory. Added: cpu/arm/olpc/1.75/

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openfirmware October 2010