[commit] r1992 - cpu/arm cpu/arm/mmp2 cpu/arm/olpc/1.75 dev dev/olpc/dcon dev/olpc/kb3700 dev/olpc/mmp2camera dev/pci
Author: wmb Date: Fri Oct 29 18:17:26 2010 New Revision: 1992 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/1992
Log: OLPC XO-1.75 - another checkpoint - more stuff working.
Added: cpu/arm/mmp2/spimaster.fth cpu/arm/olpc/1.75/dconsmb.fth cpu/arm/olpc/1.75/lcd.fth cpu/arm/olpc/1.75/prefw.bth dev/olpc/dcon/mmp2dcon.fth dev/olpc/mmp2camera/ dev/olpc/mmp2camera/ccic.fth dev/olpc/mmp2camera/loadpkg.fth dev/olpc/mmp2camera/ov.fth dev/olpc/mmp2camera/platform.fth dev/olpc/mmp2camera/smbus.fth Modified: cpu/arm/assem.fth cpu/arm/disassem.fth cpu/arm/mmp2/sspspi.fth cpu/arm/mmp2/watchdog.fth cpu/arm/olpc/1.75/addrs.fth cpu/arm/olpc/1.75/boardgpio.fth cpu/arm/olpc/1.75/config.fth cpu/arm/olpc/1.75/devices.fth cpu/arm/olpc/1.75/fw.bth cpu/arm/olpc/1.75/lcdcfg.fth cpu/arm/olpc/1.75/probemem.fth cpu/arm/olpc/1.75/sp.bth dev/olpc/kb3700/spicmd.fth dev/pci/isakbd.fth dev/pckbd.fth dev/ps2mouse.fth
Modified: cpu/arm/assem.fth ============================================================================== --- cpu/arm/assem.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/assem.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -546,6 +546,7 @@ : amode-rrop2 ( -- ) init-operands get-r12 get-r16 get-opr2 !op ; : amode-rnop2 ( -- ) init-operands get-r16 get-opr2 !op ; : amode-rdop2 ( -- ) init-operands get-r12 get-opr2 !op ; +: amode-rev ( -- ) init-operands get-r12 get-r00 !op ;
: amode-lsm ( -- ) init-operands @@ -951,6 +952,10 @@ : ldr ( -- ) 0410.0000 {cond} {shbt} ; : str ( -- ) 0400.0000 {cond} {hbt} ;
+: rev ( -- ) 06bf0f30 {cond} amode-rev ; +: rev16 ( -- ) 06bf0fb0 {cond} amode-rev ; +: revsh ( -- ) 06ff0f30 {cond} amode-rev ; + : rd-field ( reg# -- ) d# 12 set-field ; : rb-field ( reg# -- ) d# 16 set-field ;
Modified: cpu/arm/disassem.fth ============================================================================== --- cpu/arm/disassem.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/disassem.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -251,9 +251,20 @@ imm12 if ., ." #" +/- imm12 u.h then then ; +: .rev ( -- ) {<cond>} op.rd, .rm ; +: .stuff ( -- ) + 0 d# 28 bits h# 0fff.0ff0 and + case + h# 06bf0f30 of ." rev" .rev endof + h# 06bf0fb0 of ." rev16" .rev endof + h# 06ff0f30 of ." revsh" .rev endof + ( default ) + ." undefined" {<cond>} + endcase +; : .ldr/str ( -- ) \ d# 25 3 bits 2|3 = 0 d# 28 bits h# 0e00.0010 and h# 0600.0010 = if - ." undefined" {<cond>} + .stuff exit then .ld/st ." r" {<cond>} {b} {t}
Added: cpu/arm/mmp2/spimaster.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/mmp2/spimaster.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,104 @@ +\ See license at end of file +purpose: Driver for Marvell MMP2 SSP in SPI Master Mode + +0 0 " d4035000" " /" begin-package \ SPI interface using SSP1 + +headerless + +" spi" device-name + +0 0 encode-bytes + " Marvell,ssp-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 ; + +my-space 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+ ; + +: enable ( -- ) + h# 87 ssp-sscr0 rl! \ Enable, 8-bit data, SPI normal mode +; +: disable ( -- ) + h# 07 ssp-sscr0 rl! \ 8-bit data, SPI normal mode +; +\ Switch to master mode, for testing +: master ( -- ) + disable + h# 0000.0000 ssp-sscr1 rl! \ master mode + enable +; + +: ssp1-clk-on 7 h# d4015050 l! 3 h# d4015050 l! ; +\ : ssp2-clk-on 7 h# d4015054 l! 3 h# d4015052 l! ; +\ : ssp3-clk-on 7 h# d4015058 l! 3 h# d4015058 l! ; +\ : ssp4-clk-on 7 h# d401505c l! 3 h# d401505c l! ; + +: wb ( byte -- ) ssp-ssdr rl! ; +: rb ( -- byte ) ssp-ssdr rl@ . ; + +: select-ssp1-pins ( -- ) d# 47 d# 43 do h# c3 i af! loop ; + +\ Choose alternate function 4 (SSP3) for the pins we use +: init-ssp-in-master-mode ( -- ) + select-ssp1-pins + ssp1-clk-on + disable \ 8-bit data, SPI normal mode + 0 ssp-sscr1 rl! \ master mode + \ The enable bit must be set last, after all configuration is done + enable \ Enable, 8-bit data, SPI normal mode +; + +: .ssr ssp-sssr rl@ . ; +: ssp-#bytes ( -- n ) ssp-sssr rl@ d# 12 rshift h# f and ; + +0 value open-count +: open ( -- flag ) + open-count 0= if + my-address my-space h# 1000 " map-in" $call-parent is ssp-base + init-ssp-in-master-mode + 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
Modified: cpu/arm/mmp2/sspspi.fth ============================================================================== --- cpu/arm/mmp2/sspspi.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/mmp2/sspspi.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -38,6 +38,10 @@ disable-interrupts ignore-power-button ssp-spi-start + \ The following clears out some glitches so the chip will respond + \ to the ab-id command. + 0 spi-cmd spi-cs-off + 0 spi-cmd spi-cs-off ;
: use-ssp-spi ( -- )
Modified: cpu/arm/mmp2/watchdog.fth ============================================================================== --- cpu/arm/mmp2/watchdog.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/mmp2/watchdog.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -16,7 +16,7 @@ : wdt@ ( offset -- value ) wdt-pa + l@ ; : (reset-all) ( -- ) enable-wdt-clock - 2 h# 68 wdt! \ set match register + 2 h# 68 wdt! \ set match register 3 h# 64 wdt! \ match enable: just interrupt, no reset yet 1 h# 98 wdt! \ Reset counter begin again
Modified: cpu/arm/olpc/1.75/addrs.fth ============================================================================== --- cpu/arm/olpc/1.75/addrs.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/addrs.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -12,7 +12,7 @@
\ OFW implementation choices \ h# 1fe0.0000 constant fw-pa -0 constant fw-pa +h# 1fa0.0000 constant fw-pa
[ifdef] virtual-mode h# f700.0000 constant fw-virt-base
Modified: cpu/arm/olpc/1.75/boardgpio.fth ============================================================================== --- cpu/arm/olpc/1.75/boardgpio.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/boardgpio.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -19,6 +19,7 @@ d# 34 gpio-dir-out \ EN_WLAN_PWR d# 35 gpio-dir-out \ EN_SD_PWR d# 57 gpio-dir-out \ WLAN_PD# + d# 58 gpio-set \ WLAN_RESET# d# 58 gpio-dir-out \ WLAN_RESET# d# 73 gpio-dir-out \ CAM_RST
@@ -221,7 +222,7 @@ 0 af, \ GPIO_160 - ND_RDY[1] 1 af, \ GPIO_161 - ND_IO[12] - Not connected (TP 44) 1 af, \ GPIO_162 - (ND_IO[11]) - DCON_SCL - 1 af, \ GPIO_163 - (ND_IO[10]) - DCON_SDA + 1 pull-up, \ GPIO_163 - (ND_IO[10]) - DCON_SDA 1 af, \ GPIO_164 - (ND_IO[9]) - Not connected (TP106) 0 af, \ GPIO_165 - ND_IO[3] 0 af, \ GPIO_166 - ND_IO[2]
Modified: cpu/arm/olpc/1.75/config.fth ============================================================================== --- cpu/arm/olpc/1.75/config.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/config.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -1,4 +1,6 @@ create debug-startup +create olpc +create trust-ec-keyboard
fload ${BP}/cpu/arm/olpc/1.75/addrs.fth fload ${BP}/cpu/arm/mmp2/hwaddrs.fth
Added: cpu/arm/olpc/1.75/dconsmb.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/olpc/1.75/dconsmb.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,122 @@ +: smb-dly 4 us ; + +: smb-data-hi ( -- ) d# 163 gpio-set smb-dly ; +: smb-data-lo ( -- ) d# 163 gpio-clr smb-dly ; +: smb-clk-hi ( -- ) d# 162 gpio-set smb-dly ; +: smb-clk-lo ( -- ) d# 162 gpio-clr smb-dly ; +: smb-data@ ( -- flag ) d# 163 gpio-pin@ ; +: smb-clk@ ( -- flag ) d# 162 gpio-pin@ ; +: smb-off ( -- ) d# 163 gpio-dir-in ; +: smb-on ( -- ) d# 163 gpio-dir-out ; +: smb-data-dir-out ( -- ) d# 163 gpio-dir-out ; +: smb-data-dir-in ( -- ) d# 163 gpio-dir-in ; + +h# 3500 constant smb-clk-timeout-us +\ Slave can flow control by holding CLK low temporarily +: smb-wait-clk-hi ( -- ) + smb-clk-timeout-us 0 do + smb-clk@ if smb-dly unloop exit then 1 us + loop + true abort" I2C clock stuck low" +; +: smb-data-hi-w ( -- ) smb-data-hi smb-wait-clk-hi ; + +h# 3500 constant smb-data-timeout-us +: smb-wait-data-hi ( -- ) + smb-data-timeout-us 0 do + smb-data@ if unloop exit then 1 us + loop + true abort" I2C data stuck low" +; + +: smb-restart ( -- ) + smb-clk-hi smb-data-lo smb-clk-lo +; + +: smb-start ( -- ) smb-clk-hi smb-data-hi smb-data-lo smb-clk-lo ; +: smb-stop ( -- ) smb-clk-lo smb-data-lo smb-clk-hi smb-data-hi ; + +: smb-get-ack ( -- ) + smb-data-dir-in + smb-data-hi + smb-clk-hi smb-wait-clk-hi + smb-data@ \ drop \ SCCB generates an don't care bit + if smb-stop true abort" I2c NAK" then + smb-clk-lo +\ smb-wait-data-hi + smb-data-dir-out +; +: smb-bit ( flag -- ) + if smb-data-hi else smb-data-lo then + smb-clk-hi smb-wait-clk-hi smb-clk-lo +; + +: smb-byte ( b -- ) + 8 0 do ( b ) + dup h# 80 and smb-bit ( b ) + 2* ( b' ) + loop ( b ) + drop ( ) + smb-get-ack +; +: smb-byte-in ( ack=0/nak=1 -- b ) + smb-data-dir-in + 0 + 8 0 do ( n ) + smb-clk-hi ( n ) + 2* smb-data@ if 1 or then ( n' ) + smb-clk-lo + loop + smb-data-dir-out + swap smb-bit smb-data-hi \ Send ACK or NAK +; + +0 value smb-slave +: smb-addr ( lowbit -- ) smb-slave or smb-byte ; + +: smb-byte! ( byte reg# -- ) + smb-start + 0 smb-addr ( byte reg# ) + smb-byte ( byte ) + smb-byte ( ) + smb-stop +; + +: smb-byte@ ( reg# -- byte ) + smb-start + 0 smb-addr ( reg# ) + smb-byte ( ) + smb-stop smb-start \ SCCB bus needs a stop and a start for the second phase + 1 smb-addr + 1 smb-byte-in ( byte ) + smb-stop +; + +: smb-word! ( word reg# -- ) + smb-start + 0 smb-addr ( word reg# ) + smb-byte ( word ) + wbsplit swap smb-byte smb-byte ( ) + smb-stop +; + +: smb-word@ ( reg# -- word ) + smb-start + 0 smb-addr ( reg# ) + smb-byte ( ) + smb-restart + 1 smb-addr ( ) + 0 smb-byte-in 1 smb-byte-in bwjoin ( word ) + smb-stop +; + +\ This can useful for clearing out DCON SMB internal state +: smb-pulses ( -- ) + d# 32 0 do smb-clk-lo smb-clk-hi loop +; + +: set-dcon-slave ( -- ) h# 1a to smb-slave ; +: smb-init ( -- ) set-dcon-slave smb-on smb-pulses ; + +: dcon@ ( reg# -- word ) set-dcon-slave smb-word@ ; +: dcon! ( word reg# -- ) set-dcon-slave smb-word! ;
Modified: cpu/arm/olpc/1.75/devices.fth ============================================================================== --- cpu/arm/olpc/1.75/devices.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/devices.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -86,6 +86,17 @@
\needs md5init fload ${BP}/ofw/ppp/md5.fth \ MD5 hash
+[ifdef] notyet +fload ${BP}/dev/olpc/confirm.fth \ Selftest interaction modalities +fload ${BP}/cpu/x86/pc/olpc/mfgdata.fth \ Manufacturing data +fload ${BP}/cpu/x86/pc/olpc/mfgtree.fth \ Manufacturing data in device tree +fload ${BP}/cpu/x86/pc/olpc/kbdtype.fth \ Export keyboard type + +fload ${BP}/dev/olpc/kb3700/battery.fth \ Battery status reports +[else] +: find-tag ( adr len -- false | value$ true ) 2drop false ; +[then] + fload ${BP}/dev/olpc/spiflash/flashif.fth \ Generic FLASH interface
fload ${BP}/dev/olpc/spiflash/spiif.fth \ Generic low-level SPI bus access @@ -103,14 +114,16 @@ : ofw-fw-filename$ " disk:\boot\olpc.rom" ; ' ofw-fw-filename$ to fw-filename$
-0 [if] 0 0 " d420b000" " /" begin-package " display" name fload ${BP}/cpu/arm/olpc/1.75/lcdcfg.fth -\ fload ${BP}/cpu/arm/mmp2/dsi.fth
- fload ${BP}/cpu/arm/mmp2/lcd.fth + fload ${BP}/cpu/arm/olpc/1.75/lcd.fth + fload ${BP}/cpu/arm/olpc/1.75/dconsmb.fth \ SMB access to DCON chip - bitbanged + fload ${BP}/dev/olpc/dcon/mmp2dcon.fth \ DCON control + : display-on + init-xo-display \ Turns on DCON init-lcd fb-pa hdisp vdisp * >bytes h# ff fill ; @@ -137,12 +150,15 @@ ' display-remove is-remove ' display-selftest is-selftest end-package + devalias screen /display
devalias keyboard /keyboard
-fload ${BP}/ofw/termemu/cp881-16.fth -[then] +create 15x30pc " ${BP}/ofw/termemu/15x30pc.psf" $file, +' 15x30pc to romfont + +\ fload ${BP}/ofw/termemu/cp881-16.fth
fload ${BP}/cpu/arm/olpc/1.75/sdhci.fth
@@ -151,6 +167,8 @@
fload ${BP}/dev/olpc/kb3700/spicmd.fth
+devalias keyboard /ec-spi/keyboard + 0 0 " d4208000" " /" begin-package \ USB Host Controller h# 200 constant /regs my-address my-space /regs reg @@ -165,15 +183,26 @@ fload ${BP}/dev/usb2/hcd/ehci/loadpkg.fth end-package
-: usb-power-on ( -- ) d# 82 gpio-set ; \ 1 instead of 82 for XO +: usb-power-on ( -- ) 1 gpio-set ; +: unreset-usb-hub ( -- ) d# 146 gpio-set ;
-0 [if] fload ${BP}/cpu/arm/marvell/utmiphy.fth -stand-init: Init USB Phy + +: start-usb ( -- ) + h# 9 h# d428285c l! \ Enable clock to USB block + unreset-usb-hub init-usb-phy ; + +0 [if] +stand-init: Init USB Phy +\ usb-power-on \ The EC now controls the USB power + start-usb +; [then]
+fload ${BP}/dev/olpc/mmp2camera/loadpkg.fth + \ LICENSE_BEGIN \ Copyright (c) 2010 FirmWorks \
Modified: cpu/arm/olpc/1.75/fw.bth ============================================================================== --- cpu/arm/olpc/1.75/fw.bth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/fw.bth Fri Oct 29 18:17:26 2010 (r1992) @@ -1,168 +1,17 @@ purpose: Build OFW Forth dictionary for OLPC XO-1.75 \ See license at end of file
-dictionary: ${BP}/cpu/arm/build/basefw.dic +dictionary: ${BP}/cpu/arm/olpc/1.75/build/prefw.dic command: &armforth &dictionary &this build-now
-" fw.tag" r/w create-file drop tag-file ! +\ " fw.tag" r/w create-file drop tag-file !
hex \ ' $report-name is include-hook -' noop is include-hook +\ ' noop is include-hook
-fload ${BP}/cpu/arm/olpc/1.75/config.fth - -: headerless ; : headers ; : headerless0 ; - -' (quit) to quit - -: \Tags [compile] \ ; immediate -: \NotTags [compile] \ ; immediate - -: RAMbase ( -- adr ) fw-virt-base ; -: RAMtop ( -- adr ) RAMbase /fw-ram + ; - -def-load-base ' load-base set-config-int-default - -\ use-movable-vector-base \ Marvell CPU core has a movable vector base - -true ' fcode-debug? set-config-int-default -\ false ' auto-boot? set-config-int-default - - - -[ifdef] serial-console -" com1" ' output-device set-config-string-default -" com1" ' input-device set-config-string-default -[then] - - -fload ${BP}/cpu/arm/mmp2/rootnode.fth \ Root node mapping - physical mode -dev / - " olpc,XO-1.75" model - " Marvell,Armada 610" encode-string " architecture" property -\ The clock frequency of the root bus may be irrelevant, since the bus is internal to the SOC -\ d# 1,000,000,000 " clock-frequency" integer-property -device-end - -: (cpu-arch ( -- adr len ) - " architecture" ['] root-node get-package-property drop - get-encoded-string -; -' (cpu-arch to cpu-arch - -\ Memory management services -[ifdef] virtual-mode -fload ${BP}/ofw/core/clntmem1.fth \ client services for memory -[else] -fload ${BP}/ofw/core/clntphy1.fth \ client services for memory -: >physical ( va -- pa ) - dup fw-virt-base - fw-virt-size u< if ( va ) - fw-virt-base - fw-pa + - then -; -[then] -fload ${BP}/ofw/core/memlist.fth \ Resource list common routines -fload ${BP}/ofw/core/showlist.fth \ Linked list display tool -fload ${BP}/ofw/core/allocph1.fth \ S Physical memory allocator -fload ${BP}/ofw/core/availpm.fth \ Available memory list - -fload ${BP}/cpu/arm/olpc/1.75/probemem.fth \ Memory probing - -stand-init: Probing memory - " probe" memory-node @ $call-method -; - -[ifdef] virtual-mode -fload ${BP}/cpu/arm/loadvmem.fth \ /mmu node -stand-init: MMU - " /mmu" open-dev mmu-node ! -; -fload ${BP}/ofw/core/initdict.fth \ Dynamic dictionary allocation -fload ${BP}/arch/arm/loadarea.fth \ Allocate and map program load area -[else] -fload ${BP}/cpu/arm/mmp2/mmuon.fth -[then] - -\ XXX should be elsewhere -dev /client-services -: chain ( len args entry size virt -- ) - release ( len args entry ) - h# 8000 alloc-mem h# 8000 + (init-program) ( len args ) - to r1 to r2 - go -; -device-end - -fload ${BP}/cpu/arm/crc32.fth \ Assembly language Zip CRC calculation -fload ${BP}/forth/lib/crc32.fth \ High-level portion of CRC calculation - -[ifdef] resident-packages - -\needs unix-seconds> fload ${BP}/ofw/fs/unixtime.fth \ Unix time calculation -support-package: ext2-file-system - fload ${BP}/ofw/fs/ext2fs/ext2fs.fth \ Linux file system -end-support-package - -[ifdef] jffs2-support -\needs unix-seconds> fload ${BP}/ofw/fs/unixtime.fth \ Unix time calculation -support-package: jffs2-file-system - fload ${BP}/ofw/fs/jffs2/jffs2.fth \ Journaling flash file system 2 -end-support-package -[then] - -support-package: zip-file-system - fload ${BP}/ofw/fs/zipfs.fth \ Zip file system -end-support-package -[then] - -fload ${BP}/ofw/core/osfile.fth \ For testing - -\ Load file format handlers - -: call32 ; - -fload ${BP}/ofw/core/allocsym.fth \ Allocate memory for symbol table -fload ${BP}/ofw/core/symcif.fth -fload ${BP}/ofw/core/symdebug.fth -: release-load-area ( boundary-adr -- ) drop ; - -[ifdef] use-elf -fload ${BP}/ofw/elf/elf.fth -fload ${BP}/ofw/elf/elfdebug.fth -[ifdef] virtual-mode -\ Depends on the assumption that physical memory is mapped 1:1 already -: (elf-map-in) ( va size -- ) 0 mem-claim drop ; -[else] -: (elf-map-in) ( va size -- ) 2drop ; -[then] -' (elf-map-in) is elf-map-in -[then] - -\ Reboot and re-entry code -fload ${BP}/ofw/core/reboot.fth \ Restart the client program -fload ${BP}/ofw/core/reenter.fth \ Various entries into Forth - -headerless -[ifdef] virtual-mode -: (initial-heap) ( -- adr len ) sp0 @ ps-size - dict-limit tuck - ; -[else] - \ : (initial-heap) ( -- adr len ) RAMtop heap-size ; -: (initial-heap) ( -- adr len ) limit heap-size ; -[then] -' (initial-heap) is initial-heap -headers - -" /openprom" find-device - " FirmWorks,3.0" encode-string " model" property -device-end - -[ifdef] virtual-mode -fload ${BP}/cpu/arm/mmusetup.fth \ Initial values for MMU lists -[then] - -: background-rgb ( -- r g b ) h# ff h# ff h# ff ; +: confirm-selftest? ( -- flag ) true ; \ XXX implement me
fload ${BP}/cpu/arm/olpc/1.75/devices.fth
@@ -175,17 +24,7 @@ warning on [then]
-true ' local-mac-address? set-config-int-default -[ifdef] resident-packages -support-package: nfs - fload ${BP}/ofw/fs/nfs/loadpkg.fth -end-support-package - -[then] -devalias nfs net//obp-tftp:last//nfs - fload ${BP}/cpu/arm/linux.fth -h# 20.0000 to linux-params \ The Jasper Linux kernel fails unless the params are between 0x20.0000 and 0x20.4000 d# 9999 to arm-linux-machine-type \ Marvell Jasper
\ Add a tag describing the linear frame buffer @@ -207,7 +46,7 @@ 0 tag-b, \ Rsvd size d# 24 tag-b, \ Rsvd position ; -\ ' mmp-fb-tag, to fb-tag, +' mmp-fb-tag, to fb-tag,
\ fload ${BP}/cpu/arm/mmp2/usb.fth
@@ -253,24 +92,6 @@ ; ' (.firmware) to .firmware
-fload ${BP}/ofw/gui/bmptools.fth -fload ${BP}/dev/null.fth -fload ${BP}/ofw/core/bailout.fth - -\ GUI -false value gui-safeboot? - -: 2tuck ( d1 d2 -- d2 d1 d2 ) 2swap 2over ; -: user-ok "ok" ; \ This is supposed to check for authorization -true value user-mode? - -fload ${BP}/ofw/gui/loadmenu.fth -\ fload ${BP}/ofw/gui/insticon.fth - -\ Uninstall the diag menu from the general user interface vector -\ so exiting from emacs doesn't invoke the diag menu. -' quit to user-interface - : screen-#lines ( -- n ) screen-ih 0= if default-#lines exit then screen-ih package( #lines )package @@ -327,51 +148,6 @@
fload ${BP}/cpu/arm/saverom.fth \ Save the dictionary for standalone startup
-fload ${BP}/forth/lib/selstr.fth - -fload ${BP}/ofw/inet/loadtcp.fth - -support-package: http - fload ${BP}/ofw/inet/http.fth \ HTTP client -end-support-package - -[ifdef] notyet -fload ${BP}/cpu/x86/pc/olpc/memtest.fth -[then] - -[ifdef] notyet -fload ${BP}/ofw/wifi/wifi-cfg.fth -support-package: supplicant -fload ${BP}/ofw/wifi/loadpkg.fth -end-support-package - -: ofw-ssids ( -- $ ) " OFWSSID" ; -' ofw-ssids to default-ssids -[then] - -fload ${BP}/ofw/inet/sntp.fth -: olpc-ntp-servers ( -- ) - " DHCP time 172.18.0.1 0.pool.ntp.org 1.pool.ntp.org 2.pool.ntp.org" -; -' olpc-ntp-servers to ntp-servers -: ntp-time&date ( -- s m h d m y ) - ntp-timestamp abort" Can't contact NTP server" - ntp>time&date -; -: .clock ( -- ) - time&date .date space .time ." UTC" cr -; -: ntp-set-clock ( -- ) - ntp-time&date " set-time" clock-node @ $call-method - .clock -; - -[ifdef] use-ppp -fload ${BP}/ofw/ppp/loadppp.fth -[then] - -" dhcp" ' ip-address set-config-string-default - [ifdef] notyet : c1-idle ( -- ) interrupts-enabled? if halt then ; ' c1-idle to stdin-idle @@ -386,13 +162,19 @@
" //null" open-dev to null-ih \ For text-off state ; - +: keyboard-off ( -- ) + keyboard-ih if + keyboard-ih remove-input + keyboard-ih close-dev + 0 to keyboard-ih + then +; : interpreter-init ( -- ) hex warning on only forth also definitions
-\ install-alarm + install-alarm
page-mode #line off @@ -478,14 +260,7 @@ quit ;
-\ This helps with TeraTerm, which sends ESC-O as the arrow key prefix -also hidden also keys-forth definitions -warning @ warning off -: esc-o key lastchar ! [""] esc-[ do-command ; -warning ! -previous previous definitions - -tag-file @ fclose tag-file off +\ tag-file @ fclose tag-file off
.( --- Saving fw.dic ...) " fw.dic" $save-forth cr
Added: cpu/arm/olpc/1.75/lcd.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/olpc/1.75/lcd.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,30 @@ + +: lcd@ ( offset -- l ) lcd-pa + l@ ; +: lcd! ( l offset -- ) lcd-pa + l! ; + +: init-lcd ( -- ) + \ Turn on clocks + h# 08 pmua-disp-clk-sel + h# d428284c l! + h# 09 pmua-disp-clk-sel + h# d428284c l! + h# 19 pmua-disp-clk-sel + h# d428284c l! + h# 1b pmua-disp-clk-sel + h# d428284c l! + + 0 h# 190 lcd! \ Disable LCD DMA controller + fb-pa h# f4 lcd! \ Frame buffer area 0 + 0 h# f8 lcd! \ Frame buffer area 1 + hdisp bytes/pixel * h# fc lcd! \ Pitch in bytes + + hdisp vdisp wljoin dup h# 104 lcd! dup h# 108 lcd! h# 118 lcd! \ size, size after zoom, disp + + htotal >chunks vtotal wljoin h# 114 lcd! \ SPUT_V_H_TOTAL + + htotal >chunks hdisp - hbp >chunks - 6 - ( low ) + hbp >chunks wljoin h# 11c lcd! + + vfp vbp wljoin h# 120 lcd! + h# 2000FF00 h# 194 lcd! \ DMA CTRL 1 + h# 2000000d h# 1b8 lcd! \ Dumb panel controller - 18 bit RGB666 on LDD[17:0] + h# 01330133 h# 13c lcd! \ Panel VSYNC Pulse Pixel Edge Control + clkdiv h# 1a8 lcd! \ Clock divider + h# 00021100 h# 190 lcd! \ DMA CTRL 0 - enable DMA, 24 bpp mode +;
Modified: cpu/arm/olpc/1.75/lcdcfg.fth ============================================================================== --- cpu/arm/olpc/1.75/lcdcfg.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/lcdcfg.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -1,17 +1,20 @@ -d# 4 value hsync -d# 1200 value hdisp -d# 1456 value htotal .( HTOTAL ???) cr -d# 212 value hbp +h# 40001102 value clkdiv \ Display Clock 1 / 2 -> 56.93 MHz +h# 00000700 value pmua-disp-clk-sel \ PLL1 / 7 -> 113.86 MHz
-d# 4 value vsync -d# 800 value vdisp -d# 845 value vtotal .( VTOTAL ???) cr -d# 31 value vbp +d# 8 value hsync \ Sync width +d# 1200 value hdisp \ Display width +d# 1256 value htotal \ Display + FP + Sync + BP +d# 24 value hbp \ Back porch
-: hfp ( -- n ) htotal hdisp - hsync - hbp - ; -: vfp ( -- n ) vtotal vdisp - vsync - vbp - ; +d# 3 value vsync \ Sync width +d# 900 value vdisp \ Display width +d# 912 value vtotal \ Display + FP + Sync + BP +d# 5 value vbp \ Back porch
-2 constant #lanes +: hfp ( -- n ) htotal hdisp - hsync - hbp - ; \ 24 +: vfp ( -- n ) vtotal vdisp - vsync - vbp - ; \ 4 + +3 constant #lanes 3 constant bytes/pixel d# 24 constant bpp
Added: cpu/arm/olpc/1.75/prefw.bth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ cpu/arm/olpc/1.75/prefw.bth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,249 @@ +purpose: Build OFW Forth dictionary for OLPC XO-1.75 +\ See license at end of file + +dictionary: ${BP}/cpu/arm/build/basefw.dic +command: &armforth &dictionary &this +build-now + +" prefw.tag" r/w create-file drop tag-file ! + +hex +\ ' $report-name is include-hook +' noop is include-hook + +fload ${BP}/cpu/arm/olpc/1.75/config.fth + +: headerless ; : headers ; : headerless0 ; + +' (quit) to quit + +: \Tags [compile] \ ; immediate +: \NotTags [compile] \ ; immediate + +: RAMbase ( -- adr ) fw-virt-base ; +: RAMtop ( -- adr ) RAMbase /fw-ram + ; + +def-load-base ' load-base set-config-int-default + +\ use-movable-vector-base \ Marvell CPU core has a movable vector base + +true ' fcode-debug? set-config-int-default +\ false ' auto-boot? set-config-int-default + + + +[ifdef] serial-console +" com1" ' output-device set-config-string-default +" com1" ' input-device set-config-string-default +[then] + + +fload ${BP}/cpu/arm/mmp2/rootnode.fth \ Root node mapping - physical mode +dev / + " olpc,XO-1.75" model + " Marvell,Armada 610" encode-string " architecture" property +\ The clock frequency of the root bus may be irrelevant, since the bus is internal to the SOC +\ d# 1,000,000,000 " clock-frequency" integer-property +device-end + +: (cpu-arch ( -- adr len ) + " architecture" ['] root-node get-package-property drop + get-encoded-string +; +' (cpu-arch to cpu-arch + +\ Memory management services +[ifdef] virtual-mode +fload ${BP}/ofw/core/clntmem1.fth \ client services for memory +[else] +fload ${BP}/ofw/core/clntphy1.fth \ client services for memory +: >physical ( va -- pa ) + dup fw-virt-base - fw-virt-size u< if ( va ) + fw-virt-base - fw-pa + + then +; +[then] +fload ${BP}/ofw/core/memlist.fth \ Resource list common routines +fload ${BP}/ofw/core/showlist.fth \ Linked list display tool +fload ${BP}/ofw/core/allocph1.fth \ S Physical memory allocator +fload ${BP}/ofw/core/availpm.fth \ Available memory list + +fload ${BP}/cpu/arm/olpc/1.75/probemem.fth \ Memory probing + +stand-init: Probing memory + " probe" memory-node @ $call-method +; + +[ifdef] virtual-mode +fload ${BP}/cpu/arm/loadvmem.fth \ /mmu node +stand-init: MMU + " /mmu" open-dev mmu-node ! +; +fload ${BP}/ofw/core/initdict.fth \ Dynamic dictionary allocation +fload ${BP}/arch/arm/loadarea.fth \ Allocate and map program load area +[else] +fload ${BP}/cpu/arm/mmp2/mmuon.fth +[then] + +\ XXX should be elsewhere +dev /client-services +: chain ( len args entry size virt -- ) + release ( len args entry ) + h# 8000 alloc-mem h# 8000 + (init-program) ( len args ) + to r1 to r2 + go +; +device-end + +fload ${BP}/cpu/arm/crc32.fth \ Assembly language Zip CRC calculation +fload ${BP}/forth/lib/crc32.fth \ High-level portion of CRC calculation + +[ifdef] resident-packages + +\needs unix-seconds> fload ${BP}/ofw/fs/unixtime.fth \ Unix time calculation +support-package: ext2-file-system + fload ${BP}/ofw/fs/ext2fs/ext2fs.fth \ Linux file system +end-support-package + +[ifdef] jffs2-support +\needs unix-seconds> fload ${BP}/ofw/fs/unixtime.fth \ Unix time calculation +support-package: jffs2-file-system + fload ${BP}/ofw/fs/jffs2/jffs2.fth \ Journaling flash file system 2 +end-support-package +[then] + +support-package: zip-file-system + fload ${BP}/ofw/fs/zipfs.fth \ Zip file system +end-support-package +[then] + +fload ${BP}/ofw/core/osfile.fth \ For testing + +\ Load file format handlers + +: call32 ; + +fload ${BP}/ofw/core/allocsym.fth \ Allocate memory for symbol table +fload ${BP}/ofw/core/symcif.fth +fload ${BP}/ofw/core/symdebug.fth +: release-load-area ( boundary-adr -- ) drop ; + +[ifdef] use-elf +fload ${BP}/ofw/elf/elf.fth +fload ${BP}/ofw/elf/elfdebug.fth +[ifdef] virtual-mode +\ Depends on the assumption that physical memory is mapped 1:1 already +: (elf-map-in) ( va size -- ) 0 mem-claim drop ; +[else] +: (elf-map-in) ( va size -- ) 2drop ; +[then] +' (elf-map-in) is elf-map-in +[then] + +\ Reboot and re-entry code +fload ${BP}/ofw/core/reboot.fth \ Restart the client program +fload ${BP}/ofw/core/reenter.fth \ Various entries into Forth + +headerless +[ifdef] virtual-mode +: (initial-heap) ( -- adr len ) sp0 @ ps-size - dict-limit tuck - ; +[else] + \ : (initial-heap) ( -- adr len ) RAMtop heap-size ; +: (initial-heap) ( -- adr len ) limit heap-size ; +[then] +' (initial-heap) is initial-heap +headers + +" /openprom" find-device + " FirmWorks,3.0" encode-string " model" property +device-end + +[ifdef] virtual-mode +fload ${BP}/cpu/arm/mmusetup.fth \ Initial values for MMU lists +[then] + +: background-rgb ( -- r g b ) h# ff h# ff h# ff ; + +fload ${BP}/forth/lib/selstr.fth + +fload ${BP}/ofw/inet/loadtcp.fth + +support-package: http + fload ${BP}/ofw/inet/http.fth \ HTTP client +end-support-package + +[ifdef] notyet +fload ${BP}/cpu/x86/pc/olpc/memtest.fth +[then] + +[ifdef] notyet +fload ${BP}/ofw/wifi/wifi-cfg.fth +support-package: supplicant +fload ${BP}/ofw/wifi/loadpkg.fth +end-support-package + +: ofw-ssids ( -- $ ) " OFWSSID" ; +' ofw-ssids to default-ssids +[then] + +fload ${BP}/ofw/inet/sntp.fth +: olpc-ntp-servers ( -- ) + " DHCP time 172.18.0.1 0.pool.ntp.org 1.pool.ntp.org 2.pool.ntp.org" +; +' olpc-ntp-servers to ntp-servers +: ntp-time&date ( -- s m h d m y ) + ntp-timestamp abort" Can't contact NTP server" + ntp>time&date +; +: .clock ( -- ) + time&date .date space .time ." UTC" cr +; +: ntp-set-clock ( -- ) + ntp-time&date " set-time" clock-node @ $call-method + .clock +; + +[ifdef] use-ppp +fload ${BP}/ofw/ppp/loadppp.fth +[then] + +" dhcp" ' ip-address set-config-string-default + +fload ${BP}/ofw/gui/bmptools.fth +fload ${BP}/dev/null.fth +fload ${BP}/ofw/core/bailout.fth + +true ' local-mac-address? set-config-int-default +[ifdef] resident-packages +support-package: nfs + fload ${BP}/ofw/fs/nfs/loadpkg.fth +end-support-package + +[then] +devalias nfs net//obp-tftp:last//nfs + +\ This helps with TeraTerm, which sends ESC-O as the arrow key prefix +also hidden also keys-forth definitions +warning @ warning off +: esc-o key lastchar ! [""] esc-[ do-command ; +warning ! +previous previous definitions + +\ GUI +false value gui-safeboot? + +: 2tuck ( d1 d2 -- d2 d1 d2 ) 2swap 2over ; +: user-ok "ok" ; \ This is supposed to check for authorization +true value user-mode? + +fload ${BP}/ofw/gui/loadmenu.fth +\ fload ${BP}/ofw/gui/insticon.fth + +\ Uninstall the diag menu from the general user interface vector +\ so exiting from emacs doesn't invoke the diag menu. +' quit to user-interface + +tag-file @ fclose tag-file off + +.( --- Saving prefw.dic ...) +" prefw.dic" $save-forth cr
Modified: cpu/arm/olpc/1.75/probemem.fth ============================================================================== --- cpu/arm/olpc/1.75/probemem.fth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/probemem.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -24,6 +24,7 @@ 2drop " reg" property
\ Claim the memory used by OFW + fw-pa /fw-ram 0 claim drop \ high h# 10.0000 - h# 10.0000 0 claim drop ;
Modified: cpu/arm/olpc/1.75/sp.bth ============================================================================== --- cpu/arm/olpc/1.75/sp.bth Mon Oct 25 14:42:14 2010 (r1991) +++ cpu/arm/olpc/1.75/sp.bth Fri Oct 29 18:17:26 2010 (r1992) @@ -355,6 +355,60 @@ setreg d4282860 b8 \ NAND FLASH PLL1/8 + ECC PLL1/4, AXI clock enabled setreg d4282860 bf \ plus ECC&controller&AXI released from reset
+ \ Read the SPI FLASH into DRAM + + setreg d4035000 0010000f \ 32-bit, not enabled + setreg d4035000 0010008f \ 32-bit, enabled + + setreg d401901c 00004000 \ Drive GPIO46 (SPI CS#) high + + setreg d4019058 00004000 \ Set GPIO46 to output direction + + setreg d401e10c 000000c0 \ GPIO mode for FRM + delay 10 + setreg d4019028 00004000 \ Drive GPIO46 (SPI CS#) low + + set r0,0xd4035000 \ Register base address + set r1,0x00100000 \ Remaining length + set r2,0x00000000 \ DRAM (and FLASH) address + + orr r3,r2,#0x03000000 \ SPI FLASH command - read (3) with address in low bytes + str r3,[r0,#0x10] \ Put command in FIFO + + mov r3,#0 \ Value to write (could be anything) + str r3,[r0,#0x10] \ Put dummy value in FIFO to force read + + begin + ldr r5,[r0,#0x08] \ Read status + ands r5,#8 \ Test RxFIFO not empty bit + 0<> until + ldr r5,[r0,#0x10] \ Read (and discard) first FIFO entry + + begin + str r3,[r0,#0x10] \ Put dummy value in FIFO to keep the read going + + begin + ldr r5,[r0,#0x08] \ Read status + ands r5,#8 \ Test RxFIFO not empty bit + 0<> until + ldr r5,[r0,#0x10] \ Read FIFO entry + + rev r5,r5 \ byte reverse because the FIFO is big-endian + str r5,[r2],#4 \ Write out + + cmp r2,#0x100000 + = until + + \ Discard the extra entry just for cleanliness + begin + ldr r5,[r0,#0x08] \ Read status + ands r5,#8 \ Test RxFIFO not empty bit + 0<> until + ldr r5,[r0,#0x10] \ Read (and discard) first FIFO entry + + setreg d401901c 00004000 \ Drive GPIO46 (SPI CS#) high + + \ Finally, release the reset for the main CPU
set r0,0xd4050020
Added: dev/olpc/dcon/mmp2dcon.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/dcon/mmp2dcon.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,212 @@ +\ See license at end of file +\ " dcon" device-name + +\ DCON internal registers, accessed via I2C +\ 0 constant DCON_ID +\ 1 constant DCON_MODE +\ 2 constant DCON_HRES +\ 3 constant DCON_HTOTAL +\ 4 constant DCON_HSYNC_WIDTH +\ 5 constant DCON_VRES +\ 6 constant DCON_VTOTAL +\ 7 constant DCON_VSYNC_WIDTH +\ 8 constant DCON_TIMEOUT +\ 9 constant DCON_SCAN_INT +\ d# 10 constant DCON_BRIGHT + +\ Mode register bits +\ h# 1 constant DM_PASSTHRU +\ h# 2 constant DM_SLEEP +\ h# 4 constant DM_SLEEP_AUTO +\ h# 8 constant DM_BL_ENABLE +\ h# 10 constant DM_BLANK +\ h# 20 constant DM_CSWIZZLE +\ h# 40 constant DM_COL_AA +\ h# 80 constant DM_MONO_LUMA +\ h# 100 constant DM_SCAN_INT +\ h# 200 constant DM_CLOCKDIV +\ h# 4000 constant DM_DEBUG +\ h# 8000 constant DM_SELFTEST + +: dcon-load ( -- ) d# 151 gpio-set ; +: dcon-unload ( -- ) d# 151 gpio-clr ; +\ : dcon-blnk? ( -- flag ) ; \ Not hooked up +: dcon-stat@ ( -- n ) h# d4019100 l@ 4 rshift 3 and ; +: dcon-irq? ( -- flag ) d# 124 gpio-pin@ 0= ; + +\ DCONSTAT values: 0 SCANINT 1 SCANINT_DCON 2 DISPLAYLOAD 3 MISSED + +1 value vga? \ VGA +0 value color? \ COLOUR + +\ : gxfb! ( l offset -- ) gxfb-dc-regs + rl! ; \ Probably should be IO mapped + +d# 905 value resumeline \ Configurable; should be set from args + +: wait-output ( -- ) d# 40 ms ; + +: mark-time ( -- start-time ) get-msecs ; +: delta-ms ( start-time -- elapsed-ms ) mark-time swap - ; +: wait-dcon-mode ( -- retry? ) + mark-time ( start-time ) + begin ( start-time ) + dcon-irq? if ( start-time ) + dcon-stat@ 2 = if \ DCONSTAT=10 ( start-time ) + \ Sometimes the DCON ack's the UNLOAD command sooner than it + \ should. When that happens, it doesn't really capture the + \ new frame data. The workaround is to detect the case and + \ retry the sequence. + delta-ms d# 20 < ( retry? ) + exit + then ( start-time ) + then ( start-time ) + dup delta-ms d# 100 > ( start-time reached? ) \ 100 ms timeout + until ( start-time ) + drop + ." Timeout entering DCON mode" cr + \ We say false here because we don't want to retry; it probably won't succeed + false +; + +: set-source ( vga? -- ) \ true to unfreeze display, false to freeze it + dup vga? = if drop exit then ( source ) + dup to vga? ( source ) + if +\ unblank-display + d# 50 ms + wait-output + dcon-load \ Put the DCON in VGA-refreshed mode + d# 25 ms \ Ensure that that DCON sees the DCONLOAD high +\ display-on + else + begin ( ) + dcon-unload \ Put the DCON in self-refresh mode + lock[ wait-dcon-mode ]unlock ( retry? ) +\ display-off ( retry? ) + while ( ) + \ We got a false ack from the DCON so start over from LOAD state + dcon-load d# 25 ms ( ) + repeat ( ) + then +; + +\ gx_configure_tft(info); + +: try-dcon! ( w reg# -- ) + ['] dcon! catch if 2drop smb-stop 1 ms smb-off 1 ms smb-on then +; + +: mode@ ( -- mode ) 1 dcon@ ; +: mode! ( mode -- ) 1 dcon! ; +: hres! ( hres -- ) 2 dcon! ; \ def: h# 458 d# 1200 +: htotal! ( htotal -- ) 3 dcon! ; \ def: h# 4e8 d# 1256 +: hsync! ( sync -- ) 4 dcon! ; \ def: h# 1808 d# 24,8 +: vres! ( vres -- ) 5 dcon! ; \ def: h# 340 d# 900 +: vtotal! ( htotal -- ) 6 dcon! ; \ def: h# 390 d# 912 +: vsync! ( sync -- ) 7 dcon! ; \ def: h# 403 d# 4,3 +: timeout! ( to -- ) 8 dcon! ; \ def: h# ffff +: scanint! ( si -- ) 9 dcon! ; \ def: h# 0000 +: bright! ( level -- ) d# 10 dcon! ; \ def: h# xxxF +: bright@ ( -- level ) d# 10 dcon@ ; +: brighter ( -- ) bright@ 1+ h# f min bright! ; +: dimmer ( -- ) bright@ 1- 0 max bright! ; + +: backlight-off ( -- ) mode@ 8 invert and mode! ; +: backlight-on ( -- ) mode@ 8 or mode! ; + +\ Color swizzle, AA, no passthrough, backlight +: set-color ( color? -- ) + dup to color? + if h# 69 else h# 89 then mode! +; + +\ Setup so it can be called by execute-device-method +: dcon-off ( -- ) smb-init h# 12 ['] mode! catch if drop then ; + +: dcon2? ( -- flag ) + 0 ['] dcon@ catch if ( x ) + drop smb-init ( ) + 0 ['] dcon@ catch if drop false exit then + then + h# dc02 = +; + +: dcon-setup ( -- ) + 0 dcon@ drop 0 dcon@ drop + +[ifdef] notdef + d# 1200 2 dcon! \ HResolution + d# 1240 3 dcon! \ HTotal + h# 0608 4 dcon! \ HSyncstart (6+900=906), HSyncwidth (8) + d# 900 5 dcon! \ VResolution + d# 912 6 dcon! \ VTotal + h# 0502 7 dcon! \ VSyncstart (5+900=905), VSyncwidth (2) +[then] + + \ Switch to OLPC mode + h# c040 h# 3a dcon! \ SDRAM Setup/Hold time. Default of e040 fails + h# 0000 h# 41 dcon! \ Himax suggested this sequence (0 then 0101) + + h# 0101 h# 41 dcon! + h# 0101 h# 42 dcon! + + h# 12 mode! +; +: dcon-enable ( -- ) + dcon-setup + true set-color + h# f bright! +; + +: video-save + 0 set-source \ Freeze image +\ olpc-lcd-off +; + +: video-restore + smb-init +\ olpc-lcd-mode + +\ gp-setup + 1 set-source \ Unfreeze image +; + +0 value dcon-found? + +: maybe-set-cmos ( -- ) ; + +: init-xo-display ( -- ) + smb-init + +\ olpc-lcd-mode + + dcon-load + dcon-enable ( maybe-set-cmos ) + \ dcon-enable leaves mode set to 69 - 40:antialias, 20:swizzle, 8:backlight on, 1:passthru off +; + +\ ' init-xo-display to init-display + +\ 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
Modified: dev/olpc/kb3700/spicmd.fth ============================================================================== --- dev/olpc/kb3700/spicmd.fth Mon Oct 25 14:42:14 2010 (r1991) +++ dev/olpc/kb3700/spicmd.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -35,12 +35,31 @@ 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# -- ) +: encode-unit ( phys -- adr len ) push-hex (u.) pop-base ; +: decode-unit ( adr len -- phys ) push-hex $number if 0 then pop-base ; + +d# 155 constant cmd-gpio# +d# 125 constant ack-gpio# + +\ Channel#(port#) Meaning +\ 0 Invalid +\ 1 Switch to Command Mode +\ 2 Command response +\ 3 Keyboard +\ 4 Touchpad +\ 5 Event +\ 6 EC Debug + +5 constant #ports +#ports /n* buffer: port-data +: init-queue ( -- ) port-data #ports /n* bounds ?do -1 i ! /n +loop ; +: enque ( data channel# -- ) + 2- ( data queue# ) + dup #ports >= if 2drop exit then port-data swap na+ ! ( data adr ) ; -: deque? ( port# -- false | data true ) +: deque? ( channel# -- false | data true ) + 2- ( queue# ) port-data swap na+ ( adr ) dup @ ( adr data ) dup -1 = if ( adr data ) @@ -70,54 +89,49 @@ enable ;
-: ssp1-clk-on 7 h# d4015050 l! 3 h# d4015050 l! ; -: ssp2-clk-on 7 h# d4015054 l! 3 h# d4015052 l! ; +\ : ssp1-clk-on 7 h# d4015050 l! 3 h# d4015050 l! ; +\ : ssp2-clk-on 7 h# d4015054 l! 3 h# d4015052 l! ; : ssp3-clk-on 7 h# d4015058 l! 3 h# d4015058 l! ; -: ssp4-clk-on 7 h# d401505c l! 3 h# d401505c l! ; +\ : ssp4-clk-on 7 h# d401505c l! 3 h# d401505c l! ;
-: wb ( byte -- ) ssp-ssdr rl! ; -: rb ( -- byte ) ssp-ssdr rl@ . ; +: wb ( byte -- ) ssp-ssdr rl! ; \ Debugging tool +: rb ( -- byte ) ssp-ssdr rl@ . ; \ Debugging tool
\ Wait until the CSS (Clock Synchronization Status) bit is 0 : wait-clk-sync ( -- ) begin ssp-sssr rl@ h# 400.0000 and 0= until ;
-\ Choose alternate function 4 (SSP3) for the pins we use -: select-ssp3-pins - h# c4 h# d401e170 rl! \ GPIO74 - h# c4 h# d401e174 rl! \ GPIO75 - h# c4 h# d401e178 rl! \ GPIO76 - h# c4 h# d401e17c rl! \ GPIO77 -; : init-ssp-in-slave-mode ( -- ) - select-ssp3-pins ssp3-clk-on h# 07 ssp-sscr0 rl! \ 8-bit data, SPI normal mode - h# 1380.0010 ssp-sscr1 rl! \ SCFR=1, slave mode, Rx w/o Tx, early phase + h# 1300.0010 ssp-sscr1 rl! \ SCFR=1, slave mode, early phase \ The enable bit must be set last, after all configuration is done h# 87 ssp-sscr0 rl! \ Enable, 8-bit data, SPI normal mode wait-clk-sync ; -: 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 +2 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 = +: rxavail ( -- n ) + ssp-sssr rl@ dup 8 and if ( val ) + d# 12 rshift h# f and 1+ + else + drop 0 + then +; +: prime-fifo ( -- ) + ssp-rx-threshold 0 ?do 0 ssp-ssdr l! loop ; +: rxflush ( -- ) + begin ssp-sssr rl@ 8 and while ssp-ssdr l@ drop repeat +; +: ssp-ready? ( -- flag ) rxavail ssp-rx-threshold >= ;
+false value debug? \ Set the direction on the ACK and CMD GPIOs -d# 151 constant cmd-gpio# -d# 125 constant ack-gpio# -: init-ec-spi-gpios ( -- ) +: init-gpios ( -- ) cmd-gpio# gpio-dir-out ack-gpio# gpio-dir-out ; @@ -125,21 +139,18 @@ : set-cmd ( -- ) cmd-gpio# gpio-set ; : clr-ack ( -- ) ack-gpio# gpio-clr ; : set-ack ( -- ) ack-gpio# gpio-set ; -: fast-ack ( -- ) set-ack clr-ack ; +: fast-ack ( -- ) set-ack clr-ack debug? if ." ACK " cr then ; : slow-ack ( -- ) d# 10 ms set-ack d# 10 ms clr-ack ; -defer pulse-ack ' slow-ack to pulse-ack \ FIXME !!! - -0 value ec-spi-cmd-done \ 0 - still waiting, 1 - successful send, 2 - timeout +defer pulse-ack ' fast-ack to pulse-ack
-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 cmdbuf +0 value cmdlen +0 value sticky? + +0 value databuf +0 value datalen +0 value datain? +0 value command-finished?
0 value ec-cmd-time-limit : ec-cmd-timeout? ( -- flag ) @@ -152,100 +163,124 @@ 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 do-state ' noop to do-state +defer upstream
-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 +: enter-upstream-state ( -- ) 2 set-ssp-fifo-threshold - clr-cmd - ['] ec-spi-upstream to ec-spi-state + ['] upstream to do-state +; +: command-done ( -- ) + cancel-cmd-timeout + true to command-finished? + sticky? 0= if + enter-upstream-state + prime-fifo + pulse-ack + then + \ In sticky mode, we hold off on pulsing ACK until we have the + \ next command to send. ; -: 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 + +\ Discard 'len' bytes from the Rx FIFO. Used after a send +\ operation to get rid of the bytes that were received as +\ a side effect. +: clean-fifo ( len -- ) 0 ?do ssp-ssdr rl@ drop loop ; + +: response ( -- ) + datalen if + \ XXX switch to 64-byte mode if necessary + datain? if + debug? if ." Data from EC: " then + datalen 0 ?do + ssp-ssdr rl@ + debug? if dup . then + databuf i + c! + loop + else + \ Unload the spurious (result of sending data) rx bytes from the FIFO + datalen clean-fifo + then + debug? if cr then + then + command-done +; +: switched ( -- ) + \ Unload the spurious (result of sending command) rx bytes from the FIFO + cmdlen clean-fifo + datalen if + datalen set-ssp-fifo-threshold + ['] response to do-state + \ XXX switch to 64-byte mode if necessary + datain? if + prime-fifo + else + debug? if ." Data to EC: " then + datalen 0 ?do + databuf i + c@ + debug? if dup . then + ssp-ssdr rl! + loop + then + pulse-ack else - ec-spi-response + command-done 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 +: handoff-command ( -- ) + debug? if ." CMD: " then + cmdlen 0 do + cmdbuf i + c@ + debug? if dup . then + ssp-ssdr rl! + loop + debug? if cr then + cmdlen set-ssp-fifo-threshold + sticky? 0= if clr-cmd then + ['] switched to do-state ( ) + pulse-ack +; +: (upstream) ( -- ) + ssp-ssdr rl@ ssp-ssdr rl@ ( channel# data ) + debug? if + ." UP: " over . dup . cr + then + over case ( channel# data ) + 0 of 2drop prime-fifo pulse-ack endof ( channel# data ) \ Invalid + 1 of 2drop handoff-command endof ( channel# data ) \ Switched + ( default ) ( channel# data channel# ) + enque prime-fifo pulse-ack ( channel# ) + endcase +; +' (upstream) to upstream +: init ( -- ) + init-gpios init-ssp-in-slave-mode - set-ssp-receive-w/o-transmit + rxflush + init-queue clr-cmd + prime-fifo clr-ack \ Tell EC that it is okay to send - ['] ec-spi-upstream to ec-spi-state + enter-upstream-state ;
-: ec-spi-handle-message ( -- ) - ec-spi-state - pulse-ack +: poll ( -- ) + ssp-ready? if do-state then + debug? if key? if key drop debug-me then then ; -: 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-spi-handle-message -; - -: 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 +: cancel-command ( -- ) \ Called when the command child times out + clr-cmd + ['] upstream to do-state + prime-fifo + pulse-ack ;
0 instance value port# : set-port ( port# -- ) to port# ; -: put-data ( byte -- ) port# 2 0 d# 99 ec-command ; \ XXX +\ : put-data ( byte -- ) port# 2 0 d# 99 ec-command ; \ XXX : get-data? ( -- false | data true ) port# deque? ( false | data true ) - poll-ec-spi + poll ; : get-data ( -- data | -1 ) \ Wait for data from our device d# 1000 0 do @@ -254,7 +289,7 @@ loop true \ abort" Timeout waiting for data from device" ; -: put-get-data ( cmd -- data | -1 ) put-data get-data ; +\ : 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 ;
@@ -263,17 +298,182 @@ open-count 0= if my-address my-space h# 1000 " map-in" $call-parent is ssp-base \ setup-pin-mux - init-ec-spi + init 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 + ssp-base h# 1000 " map-out" $call-parent 0 is ssp-base then open-count 1- 0 max to open-count ; + +: data-command ( databuf datalen datain? cmdadr cmdlen more? -- ) + to sticky? to cmdlen to cmdbuf + to datain? to datalen to databuf + false to command-finished? + + ['] do-state behavior ['] upstream = if + set-cmd-timeout + set-cmd + else + handoff-command + then + begin poll command-finished? until +; + +: no-data-command ( adr len sticky? -- ) + >r >r >r 0 0 0 r> r> r> data-command +; + +new-device +" " " 2" set-args +" eccmd" name +my-space " reg" integer-property +: open ( -- flag ) + my-unit " set-port" $call-parent + true +; +: close ( -- ) +; +8 buffer: ec-cmdbuf +d# 16 buffer: ec-respbuf +: expected-response-length ( -- n ) ec-cmdbuf 1+ c@ h# f and ; + +0 value #results +: set-cmdbuf ( [ args ] #args #results cmd-code slen -- ) + >r ( [ args ] #args #results cmd-code r: slen ) + ec-cmdbuf 8 erase ( [ args ] #args #results cmd-code ) + ec-cmdbuf c! ( [ args ] #args #results ) + to #results ( [ args ] #args ) + dup ec-cmdbuf 1+ c! ( [ args ] #args r: slen ) + r> ec-cmdbuf 2+ c! ( [ args ] #args r: ) + h# f and ( [ args ] #args' ) + dup 5 > abort" Too many EC command arguments" + ec-cmdbuf 3 + swap bounds ?do i c! loop ( ) +; +: get-results ( -- [ results ] ) + ec-respbuf #results bounds ?do + begin " get-data?" $call-parent until ( byte ) + i c! + loop + + #results 0 ?do \ XXX maybe this loop should go backwards? + ec-respbuf i + c@ + loop +; +: ec-command ( [ args ] #args #results cmd-code -- [ results ] error? ) + 0 set-cmdbuf + + ec-cmdbuf 8 false " no-data-command" $call-parent + + get-results + false +; +: enter-updater ( -- ) + 0 0 h# 50 1 set-cmdbuf + + ec-respbuf 1 true ec-cmdbuf 8 true " data-command" $call-parent +; + +create pgm-cmd h# 51 c, h# 84 c, d# 16 c, h# 02 c, h# 00 c, 0 c, 0 c, 0 c, +create read-cmd h# 51 c, h# 04 c, d# 16 c, h# 03 c, h# 00 c, 0 c, 0 c, 0 c, +create rdstat-cmd h# 51 c, h# 01 c, d# 01 c, h# 05 c, h# 80 c, 0 c, 0 c, 0 c, +create wena-cmd h# 51 c, h# 01 c, d# 00 c, h# 06 c, h# 80 c, 0 c, 0 c, 0 c, +create erase-cmd h# 51 c, h# 01 c, d# 00 c, h# 60 c, h# 80 c, 0 c, 0 c, 0 c, + +: set-offset&len ( offset len template -- ) + >r ( offset len r: template ) + r@ 2+ c! ( offset r: template ) + lbsplit drop ( low mid hi r: template ) + r@ 4 + c! r@ 5 + c! r> 6 + c! +; +: flash-command ( datadr datlen in? template -- ) + 8 true " data-command" $call-parent +; +: write-flash-chunk ( adr len offset -- ) \ len limited to 16 bytes for now + over pgm-cmd set-offset&len ( adr len ) + false pgm-cmd flash-command ( ) +; +: read-flash-chunk ( adr len offset -- ) + over read-cmd set-offset&len + true read-cmd flash-command ( ) +; +: read-flash-status ( -- stat ) + ec-respbuf 1 true rdstat-cmd flash-command + ec-respbuf c@ +; +: write-enable-flash ( -- ) + 0 0 false wena-cmd flash-command +; +: erase-flash-all ( -- ) + 0 0 false erase-cmd flash-command +; +: read-flash ( adr len offset -- ) + swap bounds ?do ( adr ) + i . (cr ( adr ) + dup h# 10 i read-flash-chunk ( adr ) + h# 10 + ( adr' ) + h# 10 +loop ( adr ) + drop ( ) +; +: wait-write-enabled ( -- ) + write-enable-flash ( adr ) + begin read-flash-status 2 and until +; +: wait-write-done ( -- ) + begin read-flash-status 1 and 0= until +; + +: erase-flash ( -- ) + wait-write-enabled + erase-flash-all + wait-write-done +; + +: write-flash ( adr len offset -- ) + swap bounds ?do ( adr ) + i . (cr ( adr ) + wait-write-enabled + dup h# 10 i write-flash-chunk ( adr ) + wait-write-done ( adr ) + h# 10 + ( adr' ) + h# 10 +loop ( adr ) + drop ( ) +; +h# 6000 value flash-size +: get-flash ( -- ) + load-base flash-size 0 read-flash +; +: put-flash ( -- ) + ." Erasing" cr + erase-flash + ." Writing" cr + load-base flash-size 0 write-flash +; +: help ( -- ) + ." enter-updater" cr + ." h# 8000 to flash-size ( default is 6000)" cr + ." get-flash" cr + ." load-base 100 ldump" cr + ." put-flash" cr +; + +finish-device + +new-device + " " " 3" set-args + fload ${BP}/dev/pckbd.fth +finish-device + +new-device + " " " 4" set-args + fload ${BP}/dev/ps2mouse.fth +finish-device + + end-package
\ LICENSE_BEGIN
Added: dev/olpc/mmp2camera/ccic.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/mmp2camera/ccic.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,301 @@ +\ ========================== video capture operations ========================== + +d# 640 constant VGA_WIDTH +d# 480 constant VGA_HEIGHT + +VGA_WIDTH VGA_HEIGHT * 2* constant /dma-buf +3 constant #dma-bufs +0 value dma-bufs +0 value dma-bufs-phys +0 value next-buf + +: 'dma-buf ( i -- virt ) /dma-buf * dma-bufs + ; +: 'dma-buf-phys ( i -- phys ) /dma-buf * dma-bufs-phys + ; + +: alloc-dma-bufs ( -- ) + dma-bufs 0= if + /dma-buf #dma-bufs * alloc-capture-buffer to dma-bufs-phys to dma-bufs + then +; +: free-dma-bufs ( -- ) + dma-bufs dma-bufs-phys /dma-buf #dma-bufs * " free-capture-buffer" $call-parent + 0 to dma-bufs 0 to dma-bufs-phys +; + +: setup-dma ( -- ) + h# 0440.003c h# 40 cl! \ posted writes, 3 buffers, 256 byte burst, reserved field + + 0 'dma-buf-phys h# 00 cl! + 1 'dma-buf-phys h# 04 cl! + 2 'dma-buf-phys h# 08 cl! +; + +\ c000.0000 = 0000.0000 for HSYNC/VSYNC format +\ 0400.0000 for falling vclk +\ 0200.0000 for VSYNC active low +\ 0100.0000 for HSYNC active low +\ 0080.0000 for VSYNC falling edge +h# 0000.0000 constant polarities +h# 20 constant rgb-sensor +h# 080 constant rgb-fb +h# 00 constant rgb-endian \ 0c bits + +\ VGA RGB565 +: setup-image ( -- ) + VGA_WIDTH 2* h# 24 cl! \ 640*2 stride, UV stride in high bits = 0 + + VGA_WIDTH 2* VGA_HEIGHT wljoin h# 34 cl! \ Image size register + 0 0 wljoin h# 38 cl! \ Image offset + + polarities rgb-fb or rgb-sensor or rgb-endian or h# 3c cl! \ CTRL0 +; + +: interrupts-off ( -- ) 0 h# 2c cl! h# ffffffff h# 30 cl! ; +: interrupts-on ( -- ) 7 h# 2c cl! h# ffffffff h# 30 cl! ; + +: ctlr-config ( -- ) + + interrupts-off + setup-dma + setup-image +; + +: ctlr-start ( -- ) h# 3c dup cl@ 1 or swap cl! ; \ Enable +: ctlr-stop ( -- ) h# 3c dup cl@ 1 invert and swap cl! ; \ Disable + +: read-setup ( -- ) + camera-config + ctlr-config + \ Clear all interrupts + interrupts-on \ Enable frame done interrupts + ctlr-start + 0 to next-buf +; + +: power-on ( -- ) + \ Enable clocks + h# 3f h# d4282828 l! \ Clock gating - AHB, Internal PIXCLK, AXI clock always on + h# 0003.805b h# d4282850 l! \ PMUA clock config for CCIC - /1, PLL1/16, AXI arb, AXI, perip on + +\ h# 0000.0002 h# 88 cl! \ Clock select - PIXMCLK, 797/2 (PLL1/16) / 2 -> 24.9 MHz +\ h# 4000.0002 h# 88 cl! \ Clock select - AXI, 797/2 (PLL1/16) / 2 -> 24.9 MHz + h# 6000.0002 h# 88 cl! \ Clock select - core, 797/2 (PLL1/16) / 2 -> 24.9 MHz + + sensor-power-on 1 ms + h# 40 cl@ h# 1000.0000 invert and h# 40 cl! \ Enable pads + + reset-sensor + 1 ms +; + +: power-off ( -- ) + reset-sensor + h# 40 cl@ h# 1000.0000 or h# 40 cl! \ Disable pads + sensor-power-off +; + +: init ( -- ) + power-on + ov-smb-setup smb-on + camera-init +; + + +\ ============================= read operation ============================== + +0 value buf-act +: /string ( adr len n -- adr' len' ) tuck - -rot + swap ; +: buf-done? ( -- false | buf-adr true ) + h# 30 cl@ dup 1 next-buf lshift and if ( value ) + h# 30 cl! ( ) + next-buf 'dma-buf ( buf-adr ) + true ( buf-adr true ) + else ( value ) + drop false ( false ) + then +; + + +: snap ( timeout -- true | adr false ) + 0 do + buf-done? if ( buf-adr ) + false unloop exit ( -- buf-adr false ) + then + 1 ms + loop + true +; + +external + +: read ( adr len -- actual ) + buf-done? if ( adr len buf-adr ) + -rot /dma-buf min ( buf-adr adr actual ) + dup >r move r> ( actual ) + else + 2drop 0 + then +; + +: open ( -- flag ) + init + ov7670-detected? 0= if false exit then + alloc-dma-bufs + read-setup + true +; + +: close ( -- ) + ctlr-stop + interrupts-off + power-off + free-dma-bufs +; + + +\ ============================= selftest operation =========================== + +d# 5,000 constant movie-time +0 constant test-x +0 constant test-y + +\ Thanks to Cortland Setlow (AKA Blaketh) for the autobrightness code +\ and the full-screen + mirrored display. + +: autobright ( -- ) + read-agc 3 + 3 rshift h# f min " bright!" $call-screen +; +: full-brightness ( -- ) h# f " bright!" $call-screen ; + +code copy16>24-line ( src-adr dst-adr #pixels -- ) + mov r2,tos \ #pixels in r2 + ldmia sp!,{r0,r1,tos} \ r0: src, r1: dst, r2: #pixels + begin + ldrh r3,[r1] + inc r1,2 + + mov r4,r3,lsr #8 + and r4,r4,#0xf8 + strb r4,[r0],#1 + + mov r4,r3,lsr #3 + and r4,r4,#0xfc + strb r4,[r0],#1 + + mov r4,r3,lsl #3 + and r4,r4,#0xf8 + strb r4,[r0],#1 + + decs r2,1 + 0= until +c; + +VGA_WIDTH value rect-w +VGA_HEIGHT value rect-h + +d# 1200 3 * value dst-pitch +d# 1200 VGA_WIDTH - 2/ value dst-x +d# 800 VGA_HEIGHT - 2/ value dst-y + +: >dst-adr ( adr -- adr' ) dst-y dst-pitch * dst-x + 3 * + ; + +VGA_WIDTH 2* value src-pitch + +: copy16>24 ( src-adr dst-base -- ) + >dst-adr ( src-adr dst-adr ) + rect-h 0 ?do ( src-adr dst-adr ) + 2dup rect-w copy16>24-line ( scr-adr dst-adr ) + swap src-pitch + swap dst-pitch + ( scr-adr' dst-adr' ) + loop ( src-adr dst-adr ) + 2drop ( ) +; + +: display-frame ( adr -- ) + fb-pa copy16>24 +\ autobright +; + +: timeout-read ( adr len timeout -- actual ) + >r 0 -rot r> 0 ?do ( actual adr len ) + 2dup read ?dup if 3 roll drop -rot leave then + 1 ms + loop 2drop +; + +: shoot-still ( -- error? ) + d# 1000 snap if true exit then ( adr ) + display-frame + false +; + +: shoot-movie ( -- error? ) + get-msecs movie-time + ( timeout ) + begin ( timeout ) + shoot-still if drop true exit then ( timeout ) + dup get-msecs - 0<= ( timeout reached ) + until ( timeout ) + drop false +; + +: mirrored ( -- ) h# 1e ov@ h# 20 or h# 1e ov! ; +: unmirrored ( -- ) h# 1e ov@ h# 20 invert and h# 1e ov! ; + +: selftest ( -- error? ) + open 0= if true exit then + d# 300 ms + unmirrored shoot-still ?dup if close exit then ( error? ) + d# 1,000 ms + mirrored shoot-movie full-brightness ( error? ) + close ( error? ) + ?dup 0= if confirm-selftest? then ( error? ) +; + +: dump-regs ( run# -- ) + 0 d# 16 " at-xy" eval + ." Pass " .d + key upc h# 47 = if ." Good" else ." Bad" then cr \ 47 is G + + ." 0 1 2 3 4 5 6 7 8 9 a b c d e f" cr + ." -----------------------------------------------" cr + h# ca 0 do + i 2 u.r ." : " + i h# 10 bounds do + i h# ca < if i ov@ 3 u.r then + loop + cr + h# 10 +loop +; + +: xselftest ( -- error? ) + open 0= if true exit then + + h# 10 0 do + shoot-still drop d# 500 ms camera-config config-check + i dump-regs + loop + 0 close ( error? ) +; + +\ 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: dev/olpc/mmp2camera/loadpkg.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/mmp2camera/loadpkg.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,31 @@ +" " " d420a000" " /" begin-package + " camera" device-name + 0 0 reg \ A reg property makes "test-all" consider this device + +0 [if] + : alloc-capture-buffer ( len -- vadr padr ) + \ XXX need map-in if we should use virtual mode + dup " dma-alloc" $call-parent ( len vadr ) + tuck swap ( vadr vadr len ) + false " dma-map-in" $call-parent ( vadr padr ) + ; + : free-capture-buffer ( vadr padr len -- ) + 3dup " dma-map-out" $call-parent ( vadr padr len ) + nip " dma-free" $call-parent + ; +[else] + : alloc-capture-buffer ( len -- vadr padr ) + drop load-base dup + ; + : free-capture-buffer ( vadr padr len -- ) + 3drop + ; +[then] + + fload ${BP}/dev/olpc/mmp2camera/smbus.fth + fload ${BP}/dev/olpc/mmp2camera/platform.fth + fload ${BP}/dev/olpc/mmp2camera/ov.fth + fload ${BP}/dev/olpc/mmp2camera/ccic.fth +end-package + +
Added: dev/olpc/mmp2camera/ov.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/mmp2camera/ov.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,261 @@ +\ ======================= OV7670 SMBUS operations ========================== + +: ov@ ( reg -- data ) ov-smb-setup smb-byte@ ; +: ov! ( data reg -- ) ov-smb-setup smb-byte! ; + +: ovc ( val adr -- ) + 2dup ov@ ( val reg# val actual ) + tuck <> if ( val reg# actual ) + ." Bad camera I2C value at " swap 2 u.r ( val actual ) + ." expected " swap 2 u.r ." got " 2 u.r cr ( ) + else ( val reg# actual ) + 3drop ( ) + then ( ) +; + +\ ============================= camera operations ============================= + +false value ov7670-detected? + +: ((camera-init) ( -- ) + 80 12 ov! 2 ms \ reset (reads back different) + 01 11 ov! \ 30 fps + 04 3a ov! \ UYVY or VYUY + 00 12 ov! \ VGA + + \ Hardware window + 13 17 ov! \ Horiz start high bits + 01 18 ov! \ Horiz stop high bits + b6 32 ov! \ HREF pieces + 0a 19 ov! \ Vert start high bits + 7a 1a ov! \ Vert stop high bits + 0a 03 ov! \ GAIN, VSTART, VSTOP pieces + + \ Mystery scaling numbers + 00 0c ov! \ Control 3 + 00 3e ov! \ Control 14 + 3a 70 ov! 35 71 ov! 11 72 ov! f0 73 ov! + 02 a2 ov! + 00 15 ov! \ Control 10 + + \ Gamma curve values + 20 7a ov! 10 7b ov! 1e 7c ov! 35 7d ov! + 5a 7e ov! 69 7f ov! 76 80 ov! 80 81 ov! + 88 82 ov! 8f 83 ov! 96 84 ov! a3 85 ov! + af 86 ov! c4 87 ov! d7 88 ov! e8 89 ov! + + \ AGC and AEC parameters + e0 13 ov! \ Control 8 + 00 00 ov! \ Gain lower 8 bits + 40 0d ov! \ Control 4 magic reserved bit + 18 14 ov! \ Control 9: 4x gain + magic reserved bit + 05 a5 ov! \ 50hz banding step limit + 07 ab ov! \ 60hz banding step limit + 95 24 ov! \ AGC upper limit + 33 25 ov! \ AGC lower limit + e3 24 ov! \ AGC/AEC fast mode op region + 78 9f ov! \ Hist AEC/AGC control 1 + 68 a0 ov! \ Hist AEC/AGC control 2 + 03 a1 ov! \ Magic + d8 a6 ov! \ Hist AEC/AGC control 3 + d8 a7 ov! \ Hist AEC/AGC control 4 + f0 a8 ov! \ Hist AEC/AGC control 5 + 90 a9 ov! \ Hist AEC/AGC control 6 + 94 aa ov! \ Hist AEC/AGC control 7 + e5 13 ov! \ Control 8 + + \ Mostly magic + 61 0e ov! 4b 0f ov! 02 16 ov! 07 1e ov! + 02 21 ov! 91 22 ov! 07 29 ov! 0b 33 ov! + 0b 35 ov! 1d 37 ov! 71 38 ov! 2a 39 ov! + 78 3c ov! 40 4d ov! 20 4e ov! 00 69 ov! + 4a 6b ov! 10 74 ov! 4f 8d ov! 00 8e ov! + 00 8f ov! 00 90 ov! 00 91 ov! 00 96 ov! + 00 9a ov! 84 b0 ov! 0c b1 ov! 0e b2 ov! + 82 b3 ov! 0a b8 ov! + + \ More magic, some of which tweaks white balance + 0a 43 ov! f0 44 ov! 34 45 ov! 58 46 ov! + 28 47 ov! 3a 48 ov! 88 59 ov! 88 5a ov! + 44 5b ov! 67 5c ov! 49 5d ov! 0e 5e ov! + 0a 6c ov! 55 6d ov! 11 6e ov! + 9f 6f ov! \ 9e for advance AWB + 40 6a ov! + 40 01 ov! \ Blue gain + 60 02 ov! \ Red gain + e7 13 ov! \ Control 8 + + \ Matrix coefficients + 80 4f ov! 80 50 ov! 00 51 ov! 22 52 ov! + 5e 53 ov! 80 54 ov! 9e 58 ov! + + 08 41 ov! \ AWB gain enable + 00 3f ov! \ Edge enhancement factor + 05 75 ov! e1 76 ov! 00 4c ov! 01 77 ov! + c3 3d ov! \ Control 13 + 09 4b ov! 60 c9 ov! \ Reads back differently + 38 41 ov! \ Control 16 + 40 56 ov! + + 11 34 ov! + 12 3b ov! \ Control 11 + 88 a4 ov! 00 96 ov! 30 97 ov! 20 98 ov! + 30 99 ov! 84 9a ov! 29 9b ov! 03 9c ov! + 5c 9d ov! 3f 9e ov! 04 78 ov! + + \ Extra-weird stuff. Some sort of multiplexor register + 01 79 ov! f0 c8 ov! + 0f 79 ov! 00 c8 ov! + 10 79 ov! 7e c8 ov! + 0a 79 ov! 80 c8 ov! + 0b 79 ov! 01 c8 ov! + 0c 79 ov! 0f c8 ov! + 0d 79 ov! 20 c8 ov! + 09 79 ov! 80 c8 ov! + 02 79 ov! c0 c8 ov! + 03 79 ov! 40 c8 ov! + 05 79 ov! 30 c8 ov! + 26 79 ov! + + \ OVT says that rewrite this works around a bug in 565 mode. + \ The symptom of the bug is red and green speckles in the image. + 01 11 ov! \ 30 fps def 80 +; + +: config-check ( -- ) + 01 11 ovc \ 30 fps + 04 3a ovc \ UYVY or VYUY + ( 00 12 ovc ) \ VGA + + \ Hardware window + 13 17 ovc \ Horiz start high bits + 01 18 ovc \ Horiz stop high bits + b6 32 ovc \ HREF pieces + ( 0a 19 ovc ) \ Vert start high bits + 7a 1a ovc \ Vert stop high bits + 0a 03 ovc \ GAIN, VSTART, VSTOP pieces + + \ Mystery scaling numbers + 00 0c ovc \ Control 3 + 00 3e ovc \ Control 14 + 3a 70 ovc 35 71 ovc 11 72 ovc f0 73 ovc + 02 a2 ovc + 00 15 ovc \ Control 10 + + \ Gamma curve values + 20 7a ovc 10 7b ovc 1e 7c ovc 35 7d ovc + 5a 7e ovc 69 7f ovc 76 80 ovc 80 81 ovc + 88 82 ovc 8f 83 ovc 96 84 ovc a3 85 ovc + af 86 ovc c4 87 ovc d7 88 ovc e8 89 ovc + + \ AGC and AEC parameters + ( e0 13 ovc ) \ Control 8 + ( 00 00 ovc ) \ Gain lower 8 bits + 40 0d ovc \ Control 4 magic reserved bit + ( 18 14 ovc ) \ Control 9: 4x gain + magic reserved bit + 05 a5 ovc \ 50hz banding step limit + 07 ab ovc \ 60hz banding step limit + ( 95 24 ovc ) \ AGC upper limit + 33 25 ovc \ AGC lower limit + e3 24 ovc \ AGC/AEC fast mode op region + 78 9f ovc \ Hist AEC/AGC control 1 + 68 a0 ovc \ Hist AEC/AGC control 2 + 03 a1 ovc \ Magic + d8 a6 ovc \ Hist AEC/AGC control 3 + d8 a7 ovc \ Hist AEC/AGC control 4 + f0 a8 ovc \ Hist AEC/AGC control 5 + 90 a9 ovc \ Hist AEC/AGC control 6 + 94 aa ovc \ Hist AEC/AGC control 7 + ( e5 13 ovc ) \ Control 8 + + \ Mostly magic + 61 0e ovc 4b 0f ovc 02 16 ovc 07 1e ovc + 02 21 ovc 91 22 ovc 07 29 ovc 0b 33 ovc + 0b 35 ovc 1d 37 ovc 71 38 ovc 2a 39 ovc + 78 3c ovc 40 4d ovc 20 4e ovc 00 69 ovc + 4a 6b ovc 10 74 ovc 4f 8d ovc 00 8e ovc + 00 8f ovc 00 90 ovc 00 91 ovc 00 96 ovc + ( 00 9a ovc ) 84 b0 ovc 0c b1 ovc 0e b2 ovc + 82 b3 ovc 0a b8 ovc + + \ More magic, some of which tweaks white balance + 0a 43 ovc f0 44 ovc 34 45 ovc 58 46 ovc + 28 47 ovc 3a 48 ovc 88 59 ovc 88 5a ovc + 44 5b ovc 67 5c ovc 49 5d ovc 0e 5e ovc + 0a 6c ovc 55 6d ovc 11 6e ovc + 9f 6f ovc \ 9e for advance AWB + ( 40 6a ovc ) + ( 40 01 ovc ) \ Blue gain + ( 60 02 ovc ) \ Red gain + e7 13 ovc \ Control 8 + + \ Matrix coefficients + b3 4f ovc b3 50 ovc 00 51 ovc 3d 52 ovc + a7 53 ovc e4 54 ovc 9e 58 ovc + + \ 08 41 ovc \ AWB gain enable + ( 00 3f ovc ) \ Edge enhancement factor + 05 75 ovc e1 76 ovc ( 00 4c ovc ) 01 77 ovc + c0 3d ovc \ Control 13 + 09 4b ovc ( 60 c9 ovc ) + 38 41 ovc \ Control 16 + 40 56 ovc + + 11 34 ovc + 12 3b ovc \ Control 11 + 88 a4 ovc 00 96 ovc 30 97 ovc 20 98 ovc + 30 99 ovc 84 9a ovc 29 9b ovc 03 9c ovc + 5c 9d ovc 3f 9e ovc 04 78 ovc + +; + +: camera-init ( -- ) + false to ov7670-detected? + ((camera-init) + 1d ov@ 1c ov@ bwjoin 7fa2 <> if exit then \ Manufacturing ID + b ov@ a ov@ bwjoin 7673 <> if exit then \ Product ID + true to ov7670-detected? +; + +\ VGA RGB565 +: init-rgb565 ( -- ) + 04 12 ov! \ VGA, RGB565 + 00 8c ov! \ No RGB444 + 00 04 ov! \ Control 1 (CaFe value is 00, Via is 40 for CCIR656) + 10 40 ov! \ RGB565 output + 38 14 ov! \ 16x gain ceiling + b3 4f ov! \ v-red + b3 50 ov! \ v-green + 00 51 ov! \ v-blue + 3d 52 ov! \ u-red + a7 53 ov! \ u-green + e4 54 ov! \ u-blue + c0 3d ov! \ Gamma enable, UV saturation auto adjust +; + +: read-agc ( -- n ) + 3 ov@ h# c0 and 2 lshift 0 ov@ or +; + +: read-aec ( -- n ) + 7 ov@ h# 3f and d# 10 lshift + h# 10 ov@ 2 lshift or + 4 ov@ 3 and or +; + +: set-hw ( vstop vstart hstop hstart -- ) + dup 3 >> 17 ov! \ Horiz start high bits + over 3 >> 18 ov! \ Horiz stop high bits + 32 ov@ swap 7 and or swap 7 and 3 << or 10 ms 32 ov! \ Horiz bottom bits + + dup 2 >> 19 ov! \ Vert start high bits + over 2 >> 1a ov! \ Vert start high bits + 03 ov@ swap 3 and or swap 3 and 2 << or 10 ms 03 ov! \ Vert bottom bits +; + +: camera-config ( -- ) + ((camera-init) + init-rgb565 + d# 490 d# 10 d# 14 d# 158 set-hw \ VGA window info +; +
Added: dev/olpc/mmp2camera/platform.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/mmp2camera/platform.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,26 @@ +\ See license at end of file +purpose: Driver for OLPC camera connected to Via VX855 Video Capture Port + +headers +hex + +" OV7670" " sensor" string-property + +: ov-smb-setup ( -- ) + 1 to smb-dly-us + d# 108 to smb-clk-gpio# d# 109 to smb-data-gpio# + h# 42 to smb-slave +; + +: reset-sensor ( -- ) d# 73 gpio-clr 1 ms d# 73 gpio-set ; + +: sensor-power-on ( -- ) d# 145 gpio-set ; +: sensor-power-off ( -- ) d# 145 gpio-clr ; + +\ CAM_HSYNC is on GPIO67, CAM_VSYNC is on GPIO68 +\ PIXMCLK on GPIO69, PIXCLK on GPIO70, PIXDATA[7:0] on GPIO[59:66] +\ CAM_SCL on GPIO108, CAM_SDA on GPIO109 (bitbang) + +: cl! ( l adr -- ) h# d420a000 + rl! ; +: cl@ ( adr -- l ) h# d420a000 + rl@ ; +
Added: dev/olpc/mmp2camera/smbus.fth ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ dev/olpc/mmp2camera/smbus.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -0,0 +1,120 @@ +4 value smb-dly-us +: smb-dly smb-dly-us us ; + +0 value smb-data-gpio# +0 value smb-clk-gpio# + +: smb-data-hi ( -- ) smb-data-gpio# gpio-set smb-dly ; +: smb-data-lo ( -- ) smb-data-gpio# gpio-clr smb-dly ; +: smb-clk-hi ( -- ) smb-clk-gpio# gpio-set smb-dly ; +: smb-clk-lo ( -- ) smb-clk-gpio# gpio-clr smb-dly ; +: smb-data@ ( -- flag ) smb-data-gpio# gpio-pin@ ; +: smb-clk@ ( -- ) smb-clk-gpio# gpio-pin@ ; +: smb-off ( -- ) smb-data-gpio# gpio-dir-in ; +: smb-on ( -- ) smb-data-gpio# gpio-dir-out smb-clk-gpio# gpio-dir-out ; +: smb-data-dir-out ( -- ) smb-data-gpio# gpio-dir-out ; +: smb-data-dir-in ( -- ) smb-data-gpio# gpio-dir-in ; + +h# 3500 constant smb-clk-timeout-us +\ Slave can flow control by holding CLK low temporarily +: smb-wait-clk-hi ( -- ) + smb-clk-timeout-us 0 do + smb-clk@ if smb-dly unloop exit then 1 us + loop + true abort" I2C clock stuck low" +; +: smb-data-hi-w ( -- ) smb-data-hi smb-wait-clk-hi ; + +h# 3500 constant smb-data-timeout-us +: smb-wait-data-hi ( -- ) + smb-data-timeout-us 0 do + smb-data@ if unloop exit then 1 us + loop + true abort" I2C data stuck low" +; + +: smb-restart ( -- ) + smb-clk-hi smb-data-lo smb-clk-lo +; + +: smb-start ( -- ) smb-clk-hi smb-data-hi smb-data-lo smb-clk-lo ; +: smb-stop ( -- ) smb-clk-lo smb-data-lo smb-clk-hi smb-data-hi ; + +: smb-get-ack ( -- ) + smb-data-dir-in + smb-data-hi + smb-clk-hi smb-wait-clk-hi + smb-data@ \ drop \ SCCB generates an don't care bit + if smb-stop smb-data-dir-out true abort" I2c NAK" then + smb-clk-lo +\ smb-wait-data-hi + smb-data-dir-out +; +: smb-bit ( flag -- ) + if smb-data-hi else smb-data-lo then + smb-clk-hi smb-wait-clk-hi smb-clk-lo +; + +: smb-byte ( b -- ) + 8 0 do ( b ) + dup h# 80 and smb-bit ( b ) + 2* ( b' ) + loop ( b ) + drop ( ) + smb-get-ack +; +: smb-byte-in ( ack=0/nak=1 -- b ) + smb-data-dir-in + 0 + 8 0 do ( n ) + smb-clk-hi ( n ) + 2* smb-data@ if 1 or then ( n' ) + smb-clk-lo + loop + smb-data-dir-out + swap smb-bit smb-data-hi \ Send ACK or NAK +; + +0 value smb-slave +: smb-addr ( lowbit -- ) smb-slave or smb-byte ; + +: smb-byte! ( byte reg# -- ) + smb-start + 0 smb-addr ( byte reg# ) + smb-byte ( byte ) + smb-byte ( ) + smb-stop +; + +: smb-byte@ ( reg# -- byte ) + smb-start + 0 smb-addr ( reg# ) + smb-byte ( ) + smb-stop smb-start \ SCCB bus needs a stop and a start for the second phase + 1 smb-addr + 1 smb-byte-in ( byte ) + smb-stop +; + +: smb-word! ( word reg# -- ) + smb-start + 0 smb-addr ( word reg# ) + smb-byte ( word ) + wbsplit swap smb-byte smb-byte ( ) + smb-stop +; + +: smb-word@ ( reg# -- word ) + smb-start + 0 smb-addr ( reg# ) + smb-byte ( ) + smb-restart + 1 smb-addr ( ) + 0 smb-byte-in 1 smb-byte-in bwjoin ( word ) + smb-stop +; + +\ This can useful for clearing out DCON SMB internal state +: smb-pulses ( -- ) + d# 32 0 do smb-clk-lo smb-clk-hi loop +;
Modified: dev/pci/isakbd.fth ============================================================================== --- dev/pci/isakbd.fth Mon Oct 25 14:42:14 2010 (r1991) +++ dev/pci/isakbd.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -6,11 +6,13 @@ fload ${BP}/dev/i8042.fth
new-device + " " " 0" set-args fload ${BP}/dev/pckbd.fth \ d# 1 encode-int 3 encode-int encode+ " interrupts" property finish-device
new-device + " " " 1" set-args fload ${BP}/dev/ps2mouse.fth \ d# 12 encode-int 3 encode-int encode+ " interrupts" property finish-device
Modified: dev/pckbd.fth ============================================================================== --- dev/pckbd.fth Mon Oct 25 14:42:14 2010 (r1991) +++ dev/pckbd.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -6,14 +6,13 @@ hex headerless
+my-space " reg " integer-property " keyboard" device-name
" pnpPNP,303" " compatible" string-property
" keyboard" device-type
-0 " reg" integer-property - : kbdtest ;
0 value #queued @@ -528,7 +527,7 @@ : open ( -- okay? ) kbd-refcount @ if 1 +refcnt true exit then unlock - 0 set-port + my-space set-port keyboard-present? if clear-out-buf else reset then keyboard-present? 0= if false exit then choose-type
Modified: dev/ps2mouse.fth ============================================================================== --- dev/ps2mouse.fth Mon Oct 25 14:42:14 2010 (r1991) +++ dev/ps2mouse.fth Fri Oct 29 18:17:26 2010 (r1992) @@ -4,7 +4,7 @@ " mouse" device-name " mouse" device-type " pnpPNP,f03" " compatible" string-property -1 " reg" integer-property +my-space " reg " integer-property
headerless : get-data ( -- byte ) " get-data" $call-parent ; @@ -299,7 +299,7 @@ lock[ identify if \ This port is unresponsive; try the other - 0 set-port identify if ]unlock true exit then + my-unit 1- set-port identify if ]unlock true exit then then ( id )
dup h# ab = if ( id ) @@ -312,7 +312,7 @@ my-port 0= if ]unlock true exit then
\ Otherwise look for the mouse on the keyboard port - 0 set-port identify if ]unlock true exit then ( id ) + my-unit 1- set-port identify if ]unlock true exit then ( id ) then ( id ) ]unlock ( id )
@@ -325,7 +325,7 @@
headers : open ( -- flag ) - 1 set-port + my-unit set-port
open-count 0= if \ The "force" argument causes the open to succeed even if no mouse
openfirmware@openfirmware.info
-
repository service