| 1 | \ ========== Copyright Header Begin ========================================== |
| 2 | \ |
| 3 | \ Hypervisor Software File: pci.fth |
| 4 | \ |
| 5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | \ |
| 7 | \ - Do no alter or remove copyright notices |
| 8 | \ |
| 9 | \ - Redistribution and use of this software in source and binary forms, with |
| 10 | \ or without modification, are permitted provided that the following |
| 11 | \ conditions are met: |
| 12 | \ |
| 13 | \ - Redistribution of source code must retain the above copyright notice, |
| 14 | \ this list of conditions and the following disclaimer. |
| 15 | \ |
| 16 | \ - Redistribution in binary form must reproduce the above copyright notice, |
| 17 | \ this list of conditions and the following disclaimer in the |
| 18 | \ documentation and/or other materials provided with the distribution. |
| 19 | \ |
| 20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors |
| 21 | \ may be used to endorse or promote products derived from this software |
| 22 | \ without specific prior written permission. |
| 23 | \ |
| 24 | \ This software is provided "AS IS," without a warranty of any kind. |
| 25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, |
| 26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A |
| 27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN |
| 28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR |
| 29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR |
| 30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN |
| 31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR |
| 32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE |
| 33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, |
| 34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF |
| 35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
| 36 | \ |
| 37 | \ You acknowledge that this software is not designed, licensed or |
| 38 | \ intended for use in the design, construction, operation or maintenance of |
| 39 | \ any nuclear facility. |
| 40 | \ |
| 41 | \ ========== Copyright Header End ============================================ |
| 42 | id: @(#)pci.fth 1.14 05/10/12 |
| 43 | purpose: |
| 44 | copyright: Copyright 2005 Sun Microsystems, Inc. All Rights Reserved |
| 45 | copyright: Use is subject to license terms. |
| 46 | |
| 47 | headerless |
| 48 | |
| 49 | fload ${BP}/dev/pci/config-access.fth |
| 50 | |
| 51 | fload ${BP}/dev/pci/compatible.fth |
| 52 | make-compatible-property |
| 53 | |
| 54 | external |
| 55 | |
| 56 | : map-in " map-in" $call-parent ; |
| 57 | : map-out " map-out" $call-parent ; |
| 58 | |
| 59 | headerless |
| 60 | |
| 61 | \ Southbridge IDE controller's BARs are read only |
| 62 | \ until the device is put into native mode |
| 63 | [ifdef] M1575-workarounds |
| 64 | 00 h# 43 my-b! \ unlock class code |
| 65 | h# ff 09 my-b! \ switch to native mode |
| 66 | [then] |
| 67 | |
| 68 | |
| 69 | \ These two are just in case some PCI IDE card actually uses |
| 70 | \ memory mapped regs rather than I/O |
| 71 | 2 instance value reg-enable \ mem or I/O enable bit |
| 72 | h# 0200.0000 instance value reg-type |
| 73 | |
| 74 | : bar>offset ( n -- offset ) h# 4 * h# 10 + ; |
| 75 | |
| 76 | : get-bar-n ( bar -- present? ) |
| 77 | bar>offset ( offset ) |
| 78 | my-l@ ( phys ) |
| 79 | ?dup if ( phys ) |
| 80 | 1 and if h# 1 else h# 2 then ( type ) |
| 81 | is reg-enable true ( flag ) |
| 82 | else ( -- ) |
| 83 | false ( false ) |
| 84 | then ( -- flag ) |
| 85 | ; |
| 86 | |
| 87 | : bar>physhi ( bar -- phys-hi ) |
| 88 | bar>offset ( offset ) |
| 89 | reg-enable d# 24 << ( offset type ) |
| 90 | my-space or or ( physhi ) |
| 91 | ; |
| 92 | |
| 93 | : en+ ( xdr,len int -- xdr',len' ) encode-int encode+ ; |
| 94 | : 0+ ( xdr,len 0 -- xdr',len' ) 0 en+ ; |
| 95 | |
| 96 | \ We need the PCI-prober to re-write the bars for ide so we |
| 97 | \ make the reg property larger than the legacy BARs advertise. |
| 98 | \ This causes reallocation. |
| 99 | : reg+ ( xdr,len bar len -- xdr,len ) |
| 100 | [ifdef] M1575-workarounds |
| 101 | h# 20 + |
| 102 | [then] |
| 103 | >r bar>physhi en+ 0+ 0+ 0+ r> en+ |
| 104 | ; |
| 105 | |
| 106 | : create-reg-property ( -- ) |
| 107 | my-space encode-int 0+ 0+ 0+ 0+ ( xdr,len ) |
| 108 | -1 is secondary? ( xdr,len ) |
| 109 | 4 0 do ( xdr,len ) |
| 110 | i get-bar-n if ( xdr,len ) |
| 111 | i h# 8 reg+ ( xdr,len ) |
| 112 | i 1+ dup get-bar-n drop h# 4 reg+ ( xdr,len ) |
| 113 | secondary? 1+ is secondary? ( xdr,len ) |
| 114 | then ( xdr,len ) |
| 115 | 2 +loop ( xdr,len ) |
| 116 | 9 my-b@ h# 80 and if |
| 117 | secondary? if 4 else 2 then ( xdr,len DMA ) |
| 118 | dup get-bar-n if ( xdr,len DMA ) |
| 119 | h# 10 reg+ ( xdr,len ) |
| 120 | else ( xdr,len ) |
| 121 | drop ( xdr,len ) |
| 122 | then ( xdr,len ) |
| 123 | then ( xdr,len ) |
| 124 | " reg" property ( -- ) |
| 125 | ; |
| 126 | |
| 127 | create-reg-property |
| 128 | |
| 129 | : map-bar-n ( bar -- ) |
| 130 | dup get-bar-n if ( bar ) |
| 131 | dup bar>physhi my-address rot h# 8 map-in ( bar va ) |
| 132 | else ( bar va ) |
| 133 | 0 ( bar va ) |
| 134 | then ( bar va ) |
| 135 | reg-array rot na+ ! ( -- ) |
| 136 | ; |
| 137 | |
| 138 | : enable-ide ( on|off -- ) |
| 139 | 4 my-w@ reg-enable rot ( on? data bit ) |
| 140 | if or else not and then ( data' ) |
| 141 | 4 my-w! ( -- ) |
| 142 | ; |
| 143 | |
| 144 | : map-regs ( -- ) |
| 145 | reg-array @ if exit then |
| 146 | 4 0 do i map-bar-n loop 1 enable-ide |
| 147 | ; |
| 148 | |
| 149 | : ?unmap ( base index size -- ) |
| 150 | -rot na+ dup >r @ 0 r> ! ( size va ) |
| 151 | ?dup if ( size va ) |
| 152 | swap map-out ( -- ) |
| 153 | else ( size ) |
| 154 | drop ( -- ) |
| 155 | then ( -- ) |
| 156 | ; |
| 157 | |
| 158 | : unmap-regs ( -- ) |
| 159 | 4 0 do |
| 160 | reg-array i 2dup ( base index base index ) |
| 161 | h# 8 ?unmap ( base index ) |
| 162 | 1+ h# 4 ?unmap ( -- ) |
| 163 | 2 +loop |
| 164 | reg-array @ if exit then |
| 165 | 0 enable-ide |
| 166 | ; |
| 167 | |
| 168 | : .cmd-irq ( -- flag? ) |
| 169 | interface if h# 10 h# 57 else h# 4 h# 50 then |
| 170 | my-b@ and |
| 171 | ; |
| 172 | |
| 173 | : setup-device ( vendor device -- ) |
| 174 | over h# 1095 = over h# 646 = and if |
| 175 | \ Broken CMD controller requires devices on the secondary |
| 176 | \ channel or it generates interrupts because the IRQ floats |
| 177 | \ This interface is disabled via a jumper but the BARs aren't |
| 178 | \ so we need to initialise them BUT not use them because they |
| 179 | \ cause BUS errors. |
| 180 | h# 51 my-b@ h# 8 and is secondary? |
| 181 | h# 30 h# 71 my-b! \ Disable interrupts |
| 182 | ['] .cmd-irq is ide-irq? |
| 183 | then |
| 184 | 2drop |
| 185 | ; |
| 186 | |
| 187 | 0 my-l@ lwsplit setup-device |