diff options
Diffstat (limited to 'qemu/roms/SLOF/board-js2x/slof/pci-bridge_1022_7460.fs')
| -rw-r--r-- | qemu/roms/SLOF/board-js2x/slof/pci-bridge_1022_7460.fs | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/qemu/roms/SLOF/board-js2x/slof/pci-bridge_1022_7460.fs b/qemu/roms/SLOF/board-js2x/slof/pci-bridge_1022_7460.fs deleted file mode 100644 index 87b583088..000000000 --- a/qemu/roms/SLOF/board-js2x/slof/pci-bridge_1022_7460.fs +++ /dev/null @@ -1,203 +0,0 @@ -\ ***************************************************************************** -\ * Copyright (c) 2004, 2008 IBM Corporation -\ * All rights reserved. -\ * This program and the accompanying materials -\ * are made available under the terms of the BSD License -\ * which accompanies this distribution, and is available at -\ * http://www.opensource.org/licenses/bsd-license.php -\ * -\ * Contributors: -\ * IBM Corporation - initial implementation -\ ****************************************************************************/ - -\ AMD 8111 I/O hub. - -\ See the documentation at http://www.amd.com ; the datasheet for this chip is -\ document #24674. - -\ Config space access functions - we're touching multiple device numbers and -\ device functions below, so we've got to add our own my-space base here: -: config-b@ dup 1000 < IF my-space + THEN config-b@ ; -: config-w@ dup 1000 < IF my-space + THEN config-w@ ; -: config-l@ dup 1000 < IF my-space + THEN config-l@ ; -: config-b! dup 1000 < IF my-space + THEN config-b! ; -: config-w! dup 1000 < IF my-space + THEN config-w! ; -: config-l! dup 1000 < IF my-space + THEN config-l! ; - -\ First, some master config. Not all of this logically belongs to just -\ one function, and certainly not to the LPC bridge; also, we'll -\ initialize all functions in "downstream" order, and this code has to be -\ run first. So do it now. - -00 842 config-b! \ Disable 8237 & 8254 & 8259's. We're not a PC. -u3? IF - 80 847 config-b! \ Disable EHCI, as it is terminally broken. -THEN -03 848 config-b! \ Enable LPC, IDE; disable I2C, SMM, AC'97 functions. -01 849 config-b! \ Enable USB, disable 100Mb enet. -01 84b config-b! \ Enable IO-APIC. - -fec00000 s" ioapic.fs" included -00 init-ioapic - -\ Program PNPIRQ[0,1,2] as IRQ #D,E,F; switch those GPIOs to low-active. - 0b 848 config-b! \ enable devB:3 -7000 b58 config-l! \ map PMxx at pci i/o 7000 - d1 b41 config-b! \ enable access to PMxx space - -\ on JS20 the planar id is encoded in GPIO 29, 30 and 31 -\ >=5 is GA2 else it is GA1 -: (planar-id) ( -- planar-id) - [ 70dd io-c@ 5 rshift 1 and ] LITERAL - [ 70de io-c@ 5 rshift 2 and ] LITERAL - [ 70df io-c@ 5 rshift 4 and ] LITERAL - + + 7 xor -; - -u3? IF ['] (planar-id) to planar-id THEN - -8 70d3 io-c! 8 70d4 io-c! 8 70d5 io-c! \ set the pins to low-active - bimini? IF 5 70c4 io-c! THEN \ on bimini set gpio4 as output and high to power up USB - fec b44 config-w! \ set PNPIRQ pnpirq2 -> f , pnpirq1 -> e pnpirq0 -> c - 51 b41 config-b! \ disable access to PMxx space - 03 848 config-b! \ disable devB:3 - -\ The function of the PCI controller BARs change depending on the mode the -\ controller is in. -\ And the default is legacy mode. Gross. -05 909 config-b! \ Enable native PCI mode. -03 940 config-b! \ Enable both ports. - -\ Enable HPET on 8111, at address fe000000. -fe000001 8a0 config-l! - -: >hpet fe000000 + ; -: hpet@ >hpet rl@-le ; -: hpet! >hpet rl!-le ; - -INCLUDE freq.fs - -\ Disable HPET. -0 8a0 config-l! - -\ 8111 has only 16 bits of PCI I/O space. Get the address in range. -8000 next-pci-io ! - -\ before disabling EHCI it needs to be reset - -\ first we are setting up the BAR0, so that we can talk to the -\ memory mapped controller; not using the PCI scan because we just -\ want a temporary setup - -: really-disable-broken-amd8111-ehci ( -- ) - \ this word only works on U4 systems (JS21/Bimini) - \ yeah, hardcoded! - f2000000 to puid - - \ the PCI scan would assign pci-next-mmio to that device - \ let's just take that address - pci-next-mmio @ 100000 #aligned - \ pci-bus-number 10 lshift 210 or could be something like 70210 - \ 7: pci-bus-number - \ 2: device function - \ 10: offset 10 (bar 0) - pci-bus-number 10 lshift 210 or rtas-config-l! - - \ enable memory space - pci-bus-number 10 lshift 204 or dup rtas-config-l@ 2 or swap rtas-config-l! - - pci-next-mmio @ 100000 #aligned ( base ) - - \ Sequence prescribed for resetting the EHCI contoller - - \ If Run/Stop bit (ECAP30 bit 0) is 1 - \ Set Run/Stop bit to 0 - \ wait 2ms - - dup 30 + rl@ 1 and 1 = IF - dup 30 + rl@ 1 or - over 30 + rl! - 2 ms - THEN - - \ While HCHalted bit (ECAP34 bit 12) is 0 (still running, wait forever) - \ wait 2ms - - BEGIN dup 34 + rl@ 1000 and 0= 2 ms UNTIL - - \ Set HCReset bit (ECAP30 bit 1) - - dup 30 + 2 swap rl! - - \ While HCReset bit is 1 (wait forever for reset to complete) - \ wait 2ms - - BEGIN dup 30 + rl@ 2 and 0= 2 ms UNTIL drop - - \ now it is really disabled - - \ disable memory space access again - 2100000 pci-bus-number 10 lshift 204 or rtas-config-l! - - 80 847 config-b! \ Disable EHCI, as it is terminally broken. -; - -my-space pci-class-name type cr - -\ copied from pci-properties.fs and pci-scan.fs -\ changed to disable the EHCI completely just before the scan -\ and after mem/IO transactions have been enabled - -\ Setup the Base and Limits in the Bridge -\ and scan the bus(es) beyond that Bridge -: pci-bridge-probe-amd8111 ( addr -- ) - dup pci-bridge-set-bases \ SetUp all Base Registers - dup pci-bridge-range-props \ Setup temporary "range - pci-bus-number 1+ TO pci-bus-number \ increase number of busses found - pci-device-vec-len 1+ TO pci-device-vec-len \ increase the device-slot vector depth - dup \ stack config-addr for pci-bus! - FF swap \ Subordinate Bus Number ( for now to max to open all subbusses ) - pci-bus-number swap \ Secondary Bus Number ( the new busnumber ) - dup pci-addr2bus swap \ Primary Bus Number ( the current bus ) - pci-bus! \ and set them into the bridge - pci-enable \ enable mem/IO transactions - - \ at this point we can talk to the broken EHCI controller - really-disable-broken-amd8111-ehci - - dup pci-bus-scnd@ func-pci-probe-bus \ and probe the secondary bus - dup pci-bus-number swap pci-bus-subo! \ set SubOrdinate Bus Number to current number of busses - pci-device-vec-len 1- TO pci-device-vec-len \ decrease the device-slot vector depth - dup pci-bridge-set-limits \ SetUp all Limit Registers - drop \ forget the config-addr -; - -\ used to set up all unknown Bridges. -\ If a Bridge has no special handling for setup -\ the device file (pci-bridge_VENDOR_DEVICE.fs) can call -\ this word to setup busses and scan beyond. -: pci-bridge-generic-setup-amd8111 ( addr -- ) - pci-device-slots >r \ save the slot array on return stack - dup pci-common-props \ set the common properties before scanning the bus - s" pci" device-type \ the type is allways "pci" - dup pci-bridge-probe-amd8111 \ find all device connected to it - dup assign-all-bridge-bars \ set up all memory access BARs - dup pci-set-irq-line \ set the interrupt pin - dup pci-set-capabilities \ set up the capabilities - pci-bridge-props \ and generate all properties - r> TO pci-device-slots \ and reset the slot array -; - -: amd8111-bridge-setup - my-space - u3? takeover? or IF - \ if it is js20 or we are coming from takeover - \ we just do the normal setup - pci-bridge-generic-setup - ELSE - pci-bridge-generic-setup-amd8111 - THEN - s" pci" device-name -; - -amd8111-bridge-setup |