openfirmware August 2011

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[commit] r2435 - cpu/x86
by repository service 09 Aug '11

09 Aug '11

Author: lwalter Date: Tue Aug 9 20:17:04 2011 New Revision: 2435 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2435 Log: Add random test Modified: cpu/x86/memtest.fth Modified: cpu/x86/memtest.fth ============================================================================== --- cpu/x86/memtest.fth Tue Aug 9 06:29:27 2011 (r2434) +++ cpu/x86/memtest.fth Tue Aug 9 20:17:04 2011 (r2435) @@ -1,3 +1,17 @@ +purpose: Memory test primitives in assembly language +\ See license at end of file + +headers +\needs mask nuser mask mask on +headerless + +\ Report the progress through low-level tests +0 0 2value test-name +: (quiet-show-status) ( adr len -- ) to test-name ; + +defer show-status +' type to show-status + : bits-run ( adr len pattern -- fail? ) dup .x ." pattern ... " 3dup lfill ( adr len pattern ) @@ -13,6 +27,7 @@ then ; : mem-bits-test ( membase memsize -- fail-status ) + " Data bits test" show-status 2dup h# aaaaaaaa bits-run if true exit then h# 55555555 bits-run ; @@ -41,7 +56,7 @@ c; : address=data-test ( membase memsize -- fail-status ) - ." Address=data test ..." + " Address=data test" show-status 2dup inc-fill ( membase memsize ) inc-check ( false | adr data true ) if @@ -52,3 +67,220 @@ false then ; + +\ random-fill uses registers where possible to minimize memory accesses. +\ Stack use by random-fill: register usage: +\ 0 /l* push esi +\ 1 /l* pop polynomial; push edi ebx = polynomial + 2 /l* constant rf-idx \ edi = idx/4 + 3 /l* constant rf-dta \ eax = data + 4 /l* constant rf-len \ esi = len/4, ecx = counter + 5 /l* constant rf-adr \ edx = adr + +code random-fill ( adr len data index polynomial -- ) + ebx pop \ ebx: polynomial + edi push esi push \ Save esi and edi + + rf-len [esp] ecx mov \ Convert to 32-bit word count + 2 # ecx shr \ ecx: remaining count + + 0<> if + ecx esi mov \ esi: index upper limit + ecx dec + + rf-dta [esp] eax mov \ eax: data + rf-idx [esp] edi mov \ edi: index + rf-adr [esp] edx mov \ edx: base address + + begin + \ Compute new data value with an LFSR step + 1 # eax shr + carry? if h# 8020.0003 # eax xor then + + \ Compute new address index, discarding values >= len + begin + 1 # edi shr + carry? if ebx edi xor then + esi edi cmp + u< until + + \ Write the "random" value to the "random" address (adr[index]) + eax 0 [edx] [edi] *4 mov + loopa + + then + esi pop edi pop + 4 /l* # esp add \ Remove the remaining arguments on the stack +c; + +\ random-check uses registers where possible to minimize memory accesses. +\ Stack use by random-check: register usage: +\ 0 /l* push esi +\ 1 /l* pop polynomial; push edi ebx = polynomial + 2 /l* constant rc-rem \ ecx = remain (counter) + 3 /l* constant rc-idx \ edi = idx/4 + 4 /l* constant rc-dta \ eax = data + 5 /l* constant rc-len \ esi = len/4 + 6 /l* constant rc-adr \ edx = adr + +code random-check ( adr len data index remain polynomial -- false | adr len data index remain true ) + 1 /l* [esp] ecx mov \ ecx: remain + ecx ecx or \ Check remain + 0= if + \ No more memory to check + 6 /l* # esp add \ Remove the arguments on the stack + 0 # push \ Return false + next + then + + \ Check memory + ebx pop \ ebx: polynomial + edi push esi push \ Save esi and edi + + rc-len [esp] esi mov \ esi: index upper limit + 2 # esi shr \ Convert to 32-bit word count + rc-dta [esp] eax mov \ eax: data + rc-idx [esp] edi mov \ edi: index + rc-adr [esp] edx mov \ edx: base address + + begin + \ Compute new data value with an LFSR step + 1 # eax shr + carry? if h# 8020.0003 # eax xor then + + \ Compute new address index, discarding values >= len + begin + 1 # edi shr + carry? if ebx edi xor then + esi edi cmp + u< until + + \ Compare the "random" value to the "random" address (adr[index]) + \ with the calculated data value + eax 0 [edx] [edi] *4 cmp + <> if + eax rc-dta [esp] mov \ Calculated data value + edi rc-idx [esp] mov \ Index where failure occurred + ecx dec + ecx rc-rem [esp] mov \ Update remain + esi pop edi pop + -1 # push \ Return true + next + then + loopa + + esi pop edi pop + 5 /l* # esp add \ Remove the remaining arguments on the stack + 0 # push \ Return false +c; + +\ Polynomials for maximal length LFSRs for different bit lengths +\ The values come from the Wikipedia article for Linear Feedback Shift Register and from +\ http://www.xilinx.com/support/documentation/application_notes/xapp052.pdf +create polynomials \ #bits period +h# 0 , \ 0 0 +h# 1 , \ 1 1 +h# 3 , \ 2 3 +h# 6 , \ 3 7 +h# c , \ 4 f +h# 14 , \ 5 1f +h# 30 , \ 6 3f +h# 60 , \ 7 7f +h# b8 , \ 8 ff +h# 110 , \ 9 1ff +h# 240 , \ 10 3ff +h# 500 , \ 11 7ff +h# e08 , \ 12 fff +h# 1c80 , \ 13 1fff +h# 3802 , \ 14 3fff +h# 6000 , \ 15 7fff +h# b400 , \ 16 ffff +h# 12000 , \ 17 1ffff +h# 20400 , \ 18 3ffff +h# 72000 , \ 19 7ffff +h# 90000 , \ 20 fffff +h# 140000 , \ 21 1fffff +h# 300000 , \ 22 3fffff +h# 420000 , \ 23 7fffff +h# e10000 , \ 24 ffffff +h# 1200000 , \ 25 1ffffff +h# 2000023 , \ 26 3ffffff +h# 4000013 , \ 27 7ffffff +h# 9000000 , \ 28 fffffff +h# 14000000 , \ 29 1fffffff +h# 20000029 , \ 30 3fffffff +h# 48000000 , \ 31 7fffffff +h# 80200003 , \ 32 ffffffff + +: round-up-log2 ( n -- log2 ) + dup log2 ( n log2 ) + tuck 1 swap lshift ( log2 n 2^log2 ) + > - ( log2' ) +; + +defer .lfsr-mem-error +: (.lfsr-mem-error) ( adr len data index remain -- adr len data index remain ) + push-hex + ??cr + ." Error at address " 4 pick 2 pick la+ dup 8 u.r ( adr len data index remain err-adr ) + ." - expected " 3 pick 8 u.r ( adr len data index remain err-adr ) + ." got " l@ 8 u.r cr + pop-base +; +' (.lfsr-mem-error) to .lfsr-mem-error +: throw-lfsr-error ( adr len data index remain -- <thrown> ) + (.lfsr-mem-error) -1 throw +; + +: (random-test) ( adr len -- ) + dup /l <= if 2drop exit then ( adr len #bits ) + dup /l / round-up-log2 ( adr len #bits ) + polynomials swap la+ l@ ( adr len polynomial ) + + 3dup 1 1 rot random-fill ( adr len polynomial ) + + >r ( adr len r: polynomial ) + 1 1 2 pick /l / 1- ( adr len data index remain r: polynomial ) + begin ( adr len data index remain r: polynomial ) + r@ random-check ( false | adr len data index remain true r: polynomial ) + while ( adr len data index remain r: polynomial ) + .lfsr-mem-error ( adr len data index remain r: polynomial ) + repeat ( r: polynomial ) + r> drop +; + +\ Not truly random - uses LFSR sequences +: random-test ( adr len -- error? ) + " Random address and data test" show-status + + ['] throw-lfsr-error to .lfsr-mem-error + ['] (random-test) catch if + 2drop true + else + false + then +; + +\ LICENSE_BEGIN +\ Copyright (c) 1997 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 \ No newline at end of file

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[commit] r2434 - cpu/x86/pc/alex/build
by repository service 09 Aug '11

09 Aug '11

Author: wmb Date: Tue Aug 9 06:29:27 2011 New Revision: 2434 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2434 Log: svn ignore Modified: cpu/x86/pc/alex/build/ (props changed)

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[commit] r2433 - ofw/disklabel
by repository service 09 Aug '11

09 Aug '11

Author: wmb Date: Tue Aug 9 06:27:31 2011 New Revision: 2433 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2433 Log: GUID Partition Table support - decode ChromeOS kernel retry counters. Modified: ofw/disklabel/showgpt.fth Modified: ofw/disklabel/showgpt.fth ============================================================================== --- ofw/disklabel/showgpt.fth Tue Aug 9 06:26:34 2011 (r2432) +++ ofw/disklabel/showgpt.fth Tue Aug 9 06:27:31 2011 (r2433) @@ -128,12 +128,16 @@ 'guid d# 36 2dup upper ( adr len ) ; +d# 100 constant chromeos-kernel-index +0 value partition-type-index + : .gpt-type ( adr -- ) >guid$ 2>r 0 ( string# r: guid$ ) begin ( string# r: guid$ ) dup ['] partition-type-guids ( string# string# xt r: guid$ ) catch 0= while ( string# 'this r: guid$ ) count 2r@ $= if ( string# r: guid$ ) + dup to partition-type-index ( string# r: guid$ ) 1+ partition-type-guids count type ( r: guid$ ) 2r> 2drop exit ( -- ) then ( string# r: guid$ ) @@ -143,6 +147,19 @@ 2drop ( ) ; +: .gpt-extra ( adr -- ) + partition-type-index chromeos-kernel-index = if ( adr ) + \ For ChromeOS Kernel, display (success,tries,priority) + h# 36 + le-w@ wbsplit ( tries|pri success ) + ." (" (.) type ." ," ( tries|pri ) + push-decimal ( tries|pri ) + dup 4 rshift (.) type ." ," ( tries|pri ) + h# f and (.) type ." )" ( ) + pop-base ( ) + else ( adr ) + drop ( ) + then ( ) +; : .gpt-partition ( adr # -- ) \ Skip unused entries over 8 0 bskip 0= if 2drop exit then ( adr i ) @@ -152,6 +169,7 @@ \ dup .gpt-guid ( adr ) d# 50 to-column ( adr ) dup .gpt-type ( adr ) + dup .gpt-extra ( adr ) drop cr ( ) ; : .gpt-partitions ( -- )

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[commit] r2432 - cpu/x86/pc/alex dev/intel dev/olpc/spiflash ofw/fs
by repository service 09 Aug '11

09 Aug '11

Author: wmb Date: Tue Aug 9 06:26:34 2011 New Revision: 2432 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2432 Log: Alex - added SPI FLASH reprogramming. Added: cpu/x86/pc/alex/spiui.fth dev/intel/spi.fth Modified: cpu/x86/pc/alex/devices.fth dev/olpc/spiflash/spiflash.fth ofw/fs/cbfs.fth Modified: cpu/x86/pc/alex/devices.fth ============================================================================== --- cpu/x86/pc/alex/devices.fth Tue Aug 9 06:25:40 2011 (r2431) +++ cpu/x86/pc/alex/devices.fth Tue Aug 9 06:26:34 2011 (r2432) @@ -34,6 +34,14 @@ h# 28 to vector-base1 device-end +fload ${BP}/dev/olpc/spiflash/flashif.fth \ Generic FLASH interface + +fload ${BP}/dev/olpc/spiflash/memflash.fth \ Memory-mapped FLASH read access + +warning @ warning off +: stand-init-io stand-init-io h# ffc0.0000 to flash-base ; +warning ! + fload ${BP}/ofw/fs/cbfs.fth \ Coreboot ROM filesystem \ Create the top-level device node to access the entire boot FLASH device @@ -168,8 +176,16 @@ fload ${BP}/ofw/core/muxdev.fth \ I/O collection/distribution device +fload ${BP}/dev/olpc/spiflash/spiif.fth \ Generic low-level SPI bus access +fload ${BP}/dev/intel/spi.fth \ SPI FLASH programming + fload ${BP}/cpu/x86/pc/reset.fth \ reset-all +: ?enough-power ; \ Implement based on AC presence and battery status + +fload ${BP}/cpu/x86/pc/alex/spiui.fth \ User interface for SPI FLASH programming +: urom ( -- ) " flash! u:\alex.rom" evaluate ; + \ LICENSE_BEGIN \ Copyright (c) 2011 FirmWorks \ Added: cpu/x86/pc/alex/spiui.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/x86/pc/alex/spiui.fth Tue Aug 9 06:26:34 2011 (r2432) @@ -0,0 +1,177 @@ +\ See license at end of file +purpose: User interface for reflashing SPI FLASH parts + +\ This code is concerned with the user interface for getting +\ a new firmware image into memory and using it to program +\ a FLASH device from that image. The details of how to actually +\ access the FLASH device are defined elsewhere. + +h# 4000 constant /chunk \ Convenient sized piece for progress reports + +: write-flash-range ( adr end-offset start-offset -- ) + ." Writing" cr + ?do ( adr ) + \ Save time - don't write if the data is the same + i .x (cr ( adr ) + spi-us d# 20 >= if ( adr ) + \ Just write if reading is slow + true ( adr must-write? ) + else ( adr ) + dup /flash-block i flash-verify ( adr must-write? ) + then ( adr must-write? ) + + if + i flash-erase-block + dup /flash-block i flash-write ( adr ) + then + /flash-block + ( adr' ) + /flash-block +loop ( adr ) + cr drop ( ) +; + +: verify-flash-range ( adr end-offset start-offset -- ) + ." Verifying" cr + ?do ( adr ) + i .x (cr + dup /flash-block i flash-verify abort" Verify failed" + /flash-block + ( adr' ) + /flash-block +loop ( adr ) + cr drop ( ) +; + + +\ Perform a series of sanity checks on the new firmware image. + +[ifdef] load-base +: flash-buf load-base ; +[else] +/flash buffer: flash-buf +[then] + +0 value file-loaded? + +: -cbid ( offset -- ) flash-buf /flash + swap - ; + +: check-id-string ( offset expect$ -- ) + rot -cbid @ -cbid cscount ( expect$ got$ ) + 2over 2over $= 0= if ( expect$ got$ ) + ." Expecting " 2swap type ." , got " type cr + abort + then ( expect$ got$ ) + 4drop ( ) +; +: ?coreboot-id ( -- ) + h# 14 -cbid @ /flash <> abort" Coreboot flash size mismatch" + h# 1c " Samsung" check-id-string + h# 18 " Alex" check-id-string +; +: ?cbfs ( -- ) + flash-buf " LARCHIVE" comp abort" Image file is not in CBFS format" + \ We could also check the integrity of the CBFS headers +; + +: ?image-valid ( len -- ) + /flash <> abort" Image file is the wrong length" + + ?cbfs + ?coreboot-id +; + +: $get-file ( "filename" -- ) + $read-open + flash-buf /flash ifd @ fgets ( len ) + ifd @ fclose + + ?image-valid + + true to file-loaded? +; + +: ?file ( -- ) + file-loaded? 0= if + ." You must first load a valid FLASH image file with" cr + ." get-file filename" cr + abort + then +; + +: read-flash ( "filename" -- ) + writing + /flash 0 do + i .x (cr + flash-buf i + /chunk i flash-read + /chunk +loop + flash-buf /flash ofd @ fputs + ofd @ fclose +; + +: verify ( -- ) ?file flash-buf /flash 0 verify-flash-range ; + +: verify-firmware ( -- ) + flash-buf /flash 0 verify-flash-range \ Verify first part +; + +: write-firmware ( -- ) + flash-buf /flash 0 write-flash-range \ Write first part +; + +: reflash ( -- ) \ Flash from data already in memory + ?file + flash-write-enable + + write-firmware + + ['] verify-firmware catch if + ." Verify failed. Retrying once" cr + spi-identify + write-firmware + verify-firmware + then + flash-write-disable +; + +defer fw-filename$ ' null$ to fw-filename$ + +: get-file ( ["filename"] -- ) + parse-word ( adr len ) + dup 0= if 2drop fw-filename$ then ( adr len ) + ." Reading " 2dup type cr ( adr len ) + $get-file +; + +: flash ( ["filename"] -- ) get-file ?enough-power reflash ; +: flash! ( ["filename"] -- ) get-file reflash ; + +: safe-flash-read ( -- ) + flash-buf /flash 0 flash-read +; + +dev /flash +: selftest ( -- error? ) + .cbfs +; +device-end + +\ LICENSE_BEGIN +\ Copyright (c) 2011 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: dev/intel/spi.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/intel/spi.fth Tue Aug 9 06:26:34 2011 (r2432) @@ -0,0 +1,258 @@ +\ See license at end of file +purpose: Driver for SPI FLASH chips connected via Intel NM10 SPI interface + +h# fed1f020 value spi-base +: spi-reg-b! ( b offset -- ) spi-base + c! ; +: spi-reg-w! ( w offset -- ) spi-base + w! ; +: spi-reg-l! ( l offset -- ) spi-base + l! ; +: spi-reg-b@ ( offset -- b ) spi-base + c@ ; +: spi-reg-w@ ( offset -- w ) spi-base + w@ ; +: spi-reg-l@ ( offset -- l ) spi-base + l@ ; + +: spi-data ( -- adr ) spi-base 8 + ; + +: spi-stat@ ( -- w ) 0 spi-reg-w@ ; +: spi-stat! ( w -- ) 0 spi-reg-w! ; +: spi-ctrl! ( w -- ) 2 spi-reg-w! ; +: spi-addr! ( l -- ) 4 spi-reg-l! ; +: spi-prefix! ( n -- ) h# 54 spi-reg-w! ; +: spi-type! ( n -- ) h# 56 spi-reg-w! ; +: spi-opcode! ( b opcode# -- ) h# 58 + spi-reg-b! ; + +d# 64 constant max-spi-data + + +\ Commands +\ # t DCOA P Op +\ 0 0 4102 5 <no address> <1 data in> read-status +\ 1 2 4n12 3 <ADDR> <N data in> read +\ 2 0 4322 9f <no address> <3 data in> jedec-id +\ 3 2 4232 90 <ADDR=0> <2 data in> 90-id +\ 4 2 4142 ab <ADDR=0> <1 data in> ab-id +\ 5 1 4156 6 1 <no address> <1 data out> write-status +\ 6 3 4n66 6 2 <ADDR> <N data out> write +\ 7 3 0076 6 d8 <ADDR> <no data> erase-block + +4 base ! 33122020 hex constant cycle-types +: intel-spi-start ( -- ) + h# 0406 spi-prefix! \ Prefix 0 is write-enable, 1 is write-disable + h# d80201ab h# 5c spi-reg-l! \ opcodes 7-4 + h# 909f0305 h# 58 spi-reg-l! \ opcodes 3-0 + cycle-types h# 56 spi-reg-w! + h# 0c spi-stat! +; +: spi-do-cmd ( code -- ) + begin spi-stat@ 1 and 0= until + spi-ctrl! + begin spi-stat@ 4 and until + 4 spi-stat! +; +: spi-read-status ( -- b ) + h# 4002 spi-do-cmd + spi-data c@ +; +: wait-write-done ( -- ) + d# 100000 0 do + spi-read-status 1 and 0= if unloop exit then + d# 10 us + loop +; +: spi-read-n ( adr len offset -- ) + spi-addr! ( adr len ) + dup 1- 8 lshift h# 4012 or spi-do-cmd ( adr len ) + spi-data -rot move ( ) +; +: jedec-id ( -- b3b2b1 ) + h# 4222 spi-do-cmd + spi-data w@ spi-data 2+ c@ wljoin +; +: 90-id ( -- b2b1 ) + 0 spi-addr! + h# 4132 spi-do-cmd + spi-data w@ +; +: ab-id ( -- b1 ) + 0 spi-addr! + h# 4042 spi-do-cmd + spi-data c@ +; +: spi-write-status ( b -- ) + spi-data c! ( ) + h# 4056 spi-do-cmd ( ) + wait-write-done ( ) +; +: spi-write-n ( adr len offset -- ) + spi-addr! ( adr len ) + tuck ( len adr len ) + spi-data swap move ( len ) + 1- 8 lshift h# 4066 or spi-do-cmd ( ) + wait-write-done ( ) +; +: erase-spi-block ( offset -- ) + spi-addr! ( ) + h# 0076 spi-do-cmd ( ) + wait-write-done ( ) +; + +\ Write within one SPI FLASH page. Offset + len must not cross a page boundary + +: write-spi-page ( adr len offset -- ) + begin over while ( adr len offset ) + over max-spi-data min >r ( adr len offset r: this ) + 2 pick r@ 2 pick spi-write-n ( adr len offset r: this ) + rot r@ + rot r@ - rot r> + ( adr' len' offset' ) + repeat ( adr len offset ) + 3drop ( ) +; + +: read-spi-flash ( adr len offset -- ) + begin over while ( adr len offset ) + over max-spi-data min >r ( adr len offset r: this ) + 2 pick r@ 2 pick spi-read-n ( adr len offset r: this ) + rot r@ + rot r@ - rot r> + ( adr' len' offset' ) + repeat ( adr len offset ) + 3drop ( ) +; + +\ Verify the contents of SPI FLASH starting at offset against +\ the memory range adr,len . Aborts with a message on mismatch. + +: verify-spi-flash ( adr len offset -- mismatch? ) + over alloc-mem >r ( adr len offset r: temp-adr ) + r@ 2 pick rot ( adr len temp-adr len offset r: temp-adr ) + flash-read ( adr len r: temp-adr ) + tuck r@ swap comp ( len mismatch? r: temp-adr ) + r> rot free-mem ( mismatch? ) +; + +h# 10000 constant /spi-eblock \ Smallest erase block common to all chips +h# 100 constant /spi-page \ Largest write for page-oriented chips + +\ Figures out how many bytes can be written in one transaction, +\ subject to not crossing a 256-byte page boundary. + +: left-in-page ( len offset -- len offset #left ) + \ Determine how many bytes are left in the page containing offset + /spi-page over /spi-page 1- and - ( adr len offset left-in-page ) + + \ Determine the number of bytes to write in this transaction + 2 pick min ( adr len offset r: #to-write ) +; + +\ Adjust address, length, and write offset by the number of +\ bytes transferred in the last action + +: adjust ( adr len offset #transferred -- adr+ len- offset+ ) + tuck + >r /string r> +; + +\ Determine if it's worthwhile to write; writing FF's is pointless +: non-blank? ( adr len -- non-blank? ) h# ff bskip 0<> ; + +\ Write as many bytes as can be done in one operation, limited +\ by page boundaries, and adjust the parameters to reflect the +\ data that was written. If the data that would be written is +\ all FFs, save time by not actually writing it. + +: write-spi-some ( adr len offset -- adr' len' offset' ) + left-in-page ( adr len offset #to-write ) + + 3 pick over non-blank? if ( adr len offset #to-write ) + 3 pick over 3 pick ( adr len offset #to-write adr #to-write offset ) + write-spi-page ( adr len offset #to-write ) + then ( adr len offset #to-write ) + + adjust ( adr' len' offset' ) +; + +\ Write data from the range adr,len to SPI FLASH beginning at offset +\ Does not erase automatically; you have to do that beforehand. + +\ This version works for parts that support page writes with +\ multiple data bytes after command 2 + +: write-spi-flash ( adr len offset -- ) + begin over while ( adr len offset ) + write-spi-some ( adr' len' offset' ) + repeat ( adr 0 offset ) + 3drop +; + +\ Get the SPI FLASH ID and decode it to the extent that we need. +\ There are several different commands to get ID information, +\ and the various SPI FLASH chips support different subsets of +\ those commands. The AB command seems to be supported by all +\ of them, so it's a good starting point. + +0 value spi-id# +: spi-identify ( -- ) + ab-id to spi-id# + spi-id# case + h# 13 of endof + h# 15 of endof + h# 34 of endof + ( default ) true abort" Unsupported SPI FLASH ID" + endcase + 0 spi-write-status \ Turn off write protect bits +; + +\ Display a message telling what kind of part was found + +: .spi-id ( -- ) + ." SPI FLASH is " + spi-id# case + h# 13 of ." type 13 - Spansion, Winbond, or ST" endof + h# 15 of ." type 15 - Macronyx" endof + h# 34 of ." type 34 - Macronyx" endof + endcase +; + +: spi-flash-open ( -- ) + \ One retry + spi-start ['] spi-identify catch if + spi-start spi-identify + then +; +: spi-flash-write-enable ( -- ) flash-open .spi-id cr ; + +: use-spi-flash-read ( -- ) ['] read-spi-flash to flash-read ; + +\ Install the SPI FLASH versions as their implementations. +: use-spi-flash ( -- ) + ['] spi-flash-open to flash-open + ['] noop to flash-close + ['] spi-flash-write-enable to flash-write-enable + ['] noop to flash-write-disable + ['] write-spi-flash to flash-write + ['] verify-spi-flash to flash-verify + ['] erase-spi-block to flash-erase-block + use-mem-flash-read \ Might be overridden + h# 40.0000 to /flash + /spi-eblock to /flash-block +; +use-spi-flash +' intel-spi-start to spi-start + +\ LICENSE_BEGIN +\ Copyright (c) 2011 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 Modified: dev/olpc/spiflash/spiflash.fth ============================================================================== --- dev/olpc/spiflash/spiflash.fth Tue Aug 9 06:25:40 2011 (r2431) +++ dev/olpc/spiflash/spiflash.fth Tue Aug 9 06:26:34 2011 (r2432) @@ -64,7 +64,7 @@ \ You have to wait after any command that modifies stuff \ inside the part - writes, erases, status register writes -: wait-write-done ( -- timeout? ) +: wait-write-done ( -- ) \ The Spansion part's datasheet claims that the only operation \ that takes longer than 500mS is bulk erase and we don't ever \ want to use that command @@ -73,7 +73,6 @@ spi-read-status 1 and 0= if unloop exit then \ Test WIP bit d# 10 us loop - -1 ; \ Common start sequence for writes and erases - anything that Modified: ofw/fs/cbfs.fth ============================================================================== --- ofw/fs/cbfs.fth Tue Aug 9 06:25:40 2011 (r2431) +++ ofw/fs/cbfs.fth Tue Aug 9 06:26:34 2011 (r2432) @@ -1,7 +1,6 @@ purpose: Coreboot filesystem ("CBFS") package \ See license at end of file -h# ffc0.0000 value flash-base : .cbfs-type ( type -- ) case h# 10 of ." stage" endof

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[commit] r2431 - cpu/x86/pc/alex/build
by repository service 09 Aug '11

09 Aug '11

Author: wmb Date: Tue Aug 9 06:25:40 2011 New Revision: 2431 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2431 Log: Alex - added tag rule to makefile. Modified: cpu/x86/pc/alex/build/Makefile Modified: cpu/x86/pc/alex/build/Makefile ============================================================================== --- cpu/x86/pc/alex/build/Makefile Mon Aug 8 23:18:36 2011 (r2430) +++ cpu/x86/pc/alex/build/Makefile Tue Aug 9 06:25:40 2011 (r2431) @@ -1,8 +1,19 @@ OS := $(shell uname) -all: ofw.elf +CPUDIR=../../.. +BASEDIR := $(shell cd ${CPUDIR}/../..; pwd;) +TAGFILES= ${CPUDIR}/build/*.tag *.tag +CLIENTDIR=${BASEDIR}/clients +CLIENTPROGS= -ofw.elf: FORCE build ../../../build/inflate.bin +all: ofw.elf tags + +fw.tag: ofw.elf + +tags: fw.tag + @${BASEDIR}/forth/lib/toctags ${BASEDIR} ${TAGFILES} + +ofw.elf: FORCE build ../../../build/inflate.bin ${CLIENTPROGS} ./build $@ ../../../${OS}/forth: @@ -15,7 +26,7 @@ @ln -sf ../../../${OS}/forth build clean: - rm -f *.dic *.log headers *~ *.elf *.di *.img builton.fth build + rm -f *.dic *.log headers *~ *.elf *.di *.img builton.fth build *.rom *.version *.bin *.tag tags clean-all: clean @make -C ../../../build clean

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[commit] r2430 - cpu/x86/pc
by repository service 08 Aug '11

08 Aug '11

Author: wmb Date: Mon Aug 8 23:18:36 2011 New Revision: 2430 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2430 Log: ELF header creation - fixed incorrect offset for coreboot case. Modified: cpu/x86/pc/elfhdr.fth Modified: cpu/x86/pc/elfhdr.fth ============================================================================== --- cpu/x86/pc/elfhdr.fth Sat Aug 6 02:32:41 2011 (r2429) +++ cpu/x86/pc/elfhdr.fth Mon Aug 8 23:18:36 2011 (r2430) @@ -28,7 +28,7 @@ dropin-base h# 20 + to elf-entry \ Skip OBMD header in RAM copy 1 to #pheaders \ The pheader causes the image to be copied to RAM 0 to file-offset \ Copy the whole thing, don't skip the ELF headers - dropin-base h# 80 - to elf-addr \ Copied headers will precede dropin-base + dropin-base h# 60 - to elf-addr \ Copied headers will precede dropin-base [else] \ For coreboot running from ROM, we can leave everything in ROM, no need to copy, \ so there's no need for a pheader.

1 0

[commit] r2429 - cpu/x86/pc/alex
by repository service 06 Aug '11

06 Aug '11

Author: wmb Date: Sat Aug 6 02:32:41 2011 New Revision: 2429 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2429 Log: Alex - better memory probing. Modified: cpu/x86/pc/alex/devices.fth cpu/x86/pc/alex/fw.bth cpu/x86/pc/alex/probemem.fth Modified: cpu/x86/pc/alex/devices.fth ============================================================================== --- cpu/x86/pc/alex/devices.fth Sat Aug 6 01:52:34 2011 (r2428) +++ cpu/x86/pc/alex/devices.fth Sat Aug 6 02:32:41 2011 (r2429) @@ -1,10 +1,6 @@ \ See license at end of file purpose: Load device drivers according to configuration definitions -fload ${BP}/cpu/x86/pc/isaio.fth - -fload ${BP}/dev/pci/configm1.fth \ Generic PCI configuration access - 0 0 " " " /" begin-package fload ${BP}/cpu/x86/pc/mappci.fth \ Map PCI to root fload ${BP}/dev/pcibus.fth \ Generic PCI bus package Modified: cpu/x86/pc/alex/fw.bth ============================================================================== --- cpu/x86/pc/alex/fw.bth Sat Aug 6 01:52:34 2011 (r2428) +++ cpu/x86/pc/alex/fw.bth Sat Aug 6 02:32:41 2011 (r2429) @@ -82,6 +82,9 @@ fload ${BP}/cpu/x86/pc/rootnode.fth \ Platform-specific root node changes +fload ${BP}/cpu/x86/pc/isaio.fth +fload ${BP}/dev/pci/configm1.fth \ Generic PCI configuration access + fload ${BP}/cpu/x86/pc/alex/probemem.fth \ Memory probing [ifdef] virtual-mode Modified: cpu/x86/pc/alex/probemem.fth ============================================================================== --- cpu/x86/pc/alex/probemem.fth Sat Aug 6 01:52:34 2011 (r2428) +++ cpu/x86/pc/alex/probemem.fth Sat Aug 6 02:32:41 2011 (r2429) @@ -3,35 +3,22 @@ dev /memory -: /ram ( -- #bytes ) mem-info-pa la1+ l@ ; +: /ram ( -- #bytes ) 0 h# b0 config-w@ wljoin ; \ Pineview/Atom 450 chipset +: usable-ramtop ( -- n ) h# ac config-l@ ; \ Pineview TSEG Memory Base : release-range ( start-adr end-adr -- ) over - release ; : probe ( -- ) 0 /ram reg \ Report extant memory - \ Put h# 10.0000-1f.ffff and 28.0000-memsize in pool, - \ reserving 0..10.0000 for the firmware - \ and 20.0000-27.ffff for the "flash" - -\ h# 0.0000 h# 02.0000 release \ A little bit of DMA space, we hope -\ h# 10.0000 h# 0f.ffff release -\ h# 28.0000 h# 80.0000 h# 28.0000 - release - -\ Release some of the first meg, between the page tables and the DOS hole, -\ for use as DMA memory. + \ Release some of the first meg, between the page tables and the DOS hole, + \ for use as DMA memory. mem-info-pa 2 la+ l@ h# a.0000 release-range \ Below DOS hole -[ifdef] virtual-mode - h# 10.0000 dropin-base over - release - dropin-base dropin-size + mem-info-pa la1+ l@ over - release - -[else] fw-pa h# 10.0000 u> if h# 10.0000 fw-pa over - release fw-pa /fw-ram + heap-base heap-size + umax /ram release then -[then] ; device-end

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[commit] r2428 - dev/usb2/hcd
by repository service 06 Aug '11

06 Aug '11

Author: wmb Date: Sat Aug 6 01:52:34 2011 New Revision: 2428 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2428 Log: USB hub probe code - replaced some non-fcode words with equivalent sequences of FCodes. Modified: dev/usb2/hcd/probehub.fth Modified: dev/usb2/hcd/probehub.fth ============================================================================== --- dev/usb2/hcd/probehub.fth Sat Aug 6 00:44:01 2011 (r2427) +++ dev/usb2/hcd/probehub.fth Sat Aug 6 01:52:34 2011 (r2428) @@ -221,16 +221,18 @@ " usb-hub-test-list" get-inherited-property if ( ) hub-#ports 1+ 1 ?do ( ) - i (hub-selftest) if true unloop exit then + i (hub-selftest) if true unloop exit then ( ) loop ( ) else ( propval$ ) - decode-string 2nip ( list$ ) + decode-string 2swap 2drop ( list$ ) begin dup while ( list$ ) ascii , left-parse-string ( list$' dev#$ ) - push-decimal $number if 0 then pop-base ( list$ port# ) + base @ >r decimal ( list$' dev#$ ) + $number if 0 then ( list$' port# ) + r> base ! ( list$ port# ) (hub-selftest) if drop true exit then ( list$ ) repeat ( list$ ) - 2drop + 2drop ( ) then ( ) \ Maybe need to reset the entire hub here

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[commit] r2427 - cpu/x86/pc/biosload
by repository service 06 Aug '11

06 Aug '11

Author: wmb Date: Sat Aug 6 00:44:01 2011 New Revision: 2427 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2427 Log: Biosload version: Intel Pineview support, multiplexed I/O, tag file creation, make ega messages optional, better PCI addresses-assigned handling. Modified: cpu/x86/pc/biosload/devices.fth cpu/x86/pc/biosload/fw.bth Modified: cpu/x86/pc/biosload/devices.fth ============================================================================== --- cpu/x86/pc/biosload/devices.fth Sat Aug 6 00:41:36 2011 (r2426) +++ cpu/x86/pc/biosload/devices.fth Sat Aug 6 00:44:01 2011 (r2427) @@ -10,6 +10,8 @@ fload ${BP}/dev/pcibus.fth \ Generic PCI bus package [ifdef] addresses-assigned + 0 0 " addresses-preassigned" property +0 [if] \ Suppress PCI address assignment; use the addresses the BIOS assigned patch false true master-probe patch noop assign-all-addresses prober @@ -21,6 +23,7 @@ patch or-w! my-w! find-fcode? patch 2drop my-w! find-fcode? [then] +[then] fload ${BP}/cpu/x86/pc/biosload/pcinode.fth \ System-specific words for PCI end-package @@ -249,6 +252,14 @@ devalias screen /display \ Explicit, because it's not probed [then] +[ifdef] use-pineview +0 0 " 2,0" " /pci" begin-package + " display" name + fload ${BP}/dev/intel/graphics/pineview.fth +end-package +devalias screen /pci/display@2,0 \ Explicit, because it's not probed +[then] + [ifdef] use-ct65550 0 0 " i3b0" " /isa" begin-package fload ${BP}/dev/ct6555x/loadpkg.fth \ Video driver @@ -337,13 +348,19 @@ fload ${BP}/dev/usb2/device/debugport.fth \ ISA COM port driver [else] fload ${BP}/dev/isa/diaguart.fth \ ISA COM port driver -h# 3f8 is uart-base [then] fload ${BP}/forth/lib/sysuart.fth \ Use UART for key and emit -fload ${BP}/cpu/x86/pc/egauart.fth \ Output also to EGA +[ifndef] no-ega-startup-messages +fload ${BP}/cpu/x86/pc/egauart.fth \ Output also to EGA +[then] + +0 value keyboard-ih +0 value screen-ih + +fload ${BP}/ofw/core/muxdev.fth \ I/O collection/distribution device -fload ${BP}/cpu/x86/pc/reset.fth \ reset-all +fload ${BP}/cpu/x86/pc/reset.fth \ reset-all [ifdef] olpc \ true constant lx? \ Modified: cpu/x86/pc/biosload/fw.bth ============================================================================== --- cpu/x86/pc/biosload/fw.bth Sat Aug 6 00:41:36 2011 (r2426) +++ cpu/x86/pc/biosload/fw.bth Sat Aug 6 00:44:01 2011 (r2427) @@ -7,6 +7,8 @@ in: bootsec.hex build-now +" fw.tag" r/w create-file drop tag-file ! + hex \ ' $report-name is include-hook @@ -354,8 +356,9 @@ auto-banner? if " Probing" ?type probe-all - " Install console" ?type install-console - ?usb-keyboard + install-mux-io +\ " Install console" ?type install-console +\ ?usb-keyboard banner then @@ -406,6 +409,8 @@ " dhcp" ' ip-address set-config-string-default +tag-file @ fclose tag-file off + .( SAVING FW.dic ...) " fw.dic" $save-forth cr

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[commit] r2426 - cpu/x86/pc
by repository service 06 Aug '11

06 Aug '11

Author: wmb Date: Sat Aug 6 00:41:36 2011 New Revision: 2426 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2426 Log: Support memory-mapped UARTs in PC early startup reports. Modified: cpu/x86/pc/boot.fth cpu/x86/pc/dot.fth Modified: cpu/x86/pc/boot.fth ============================================================================== --- cpu/x86/pc/boot.fth Sat Aug 6 00:40:25 2011 (r2425) +++ cpu/x86/pc/boot.fth Sat Aug 6 00:41:36 2011 (r2426) @@ -37,28 +37,48 @@ [ifdef] debug-startup \ diagnostic macros \ Assembler macro to assemble code to send the character "char" to COM1 -: report ( char -- ) - " begin h# 3fd # dx mov dx al in h# 20 # al and 0<> until" evaluate - ( char ) " # al mov h# 3f8 # dx mov al dx out " evaluate +: wait-tx-ready ( -- ) +[ifdef] mem-uart-base + " begin h# 20 # mem-uart-base 5 + #) byte test 0<> until" evaluate +[else] " begin h# 3fd # dx mov dx al in h# 20 # al and 0<> until" evaluate +[then] +; +: report ( char -- ) + wait-tx-ready +[ifdef] mem-uart-base + ( char ) " # mem-uart-base #) byte mov" evaluate +[else] + ( char ) " # al mov h# 3f8 # dx mov al dx out" evaluate +[then] + wait-tx-ready ; : nreport ( -- ) \ print 4-bit value in bl - " begin h# 3fd # dx mov dx al in h# 20 # al and 0<> until" evaluate - " bl al mov h# 0f # ax and h# 30 # ax add h# 3f8 # dx mov al dx out " - evaluate + wait-tx-ready +[ifdef] mem-uart-base + " bl al mov h# 0f # ax and h# 30 # ax add al mem-uart-base #) mov" evaluate +[else] + " bl al mov h# 0f # ax and h# 30 # ax add h# 3f8 # dx mov al dx out" evaluate +[then] ; : dotbyte ( - ) \ print byte in bl - " bx 4 # ror " eval nreport - " bx 4 # rol " eval nreport - h# 20 nreport + " bx 4 # ror " eval nreport + " bx 4 # rol " eval nreport + h# 20 nreport ; label putchar ( al:char -- ) dx push bx push - ax bx mov - begin h# 3fd # dx mov dx al in h# 20 # al and 0<> until - bx ax mov h# 3f8 # dx mov al dx out - begin h# 3fd # dx mov dx al in h# 20 # al and 0<> until +[ifdef] mem-uart-base + wait-tx-ready + al mem-uart-base #) mov +[else] + al bl mov + wait-tx-ready + bl al mov h# 3f8 # dx mov al dx out +[then] + wait-tx-ready + bx pop dx pop ret end-code Modified: cpu/x86/pc/dot.fth ============================================================================== --- cpu/x86/pc/dot.fth Sat Aug 6 00:40:25 2011 (r2425) +++ cpu/x86/pc/dot.fth Sat Aug 6 00:41:36 2011 (r2426) @@ -7,10 +7,17 @@ label emit ( al: char -- ) cx push dx push +[ifdef] mem-uart-base + al cl mov + begin mem-uart-base 5 + #) al mov h# 40 # al and 0<> until + cl al mov al mem-uart-base #) mov + begin mem-uart-base 5 + #) al mov h# 40 # al and 0<> until +[else] al cl mov begin h# 3fd # dx mov dx al in h# 40 # al and 0<> until cl al mov 3f8 # dx mov al dx out begin h# 3fd # dx mov dx al in h# 40 # al and 0<> until +[then] dx pop cx pop ret

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openfirmware August 2011