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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/board-js2x/slof/ht.fs
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/board-js2x/slof/ht.fs')
-rw-r--r--qemu/roms/SLOF/board-js2x/slof/ht.fs189
1 files changed, 189 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/board-js2x/slof/ht.fs b/qemu/roms/SLOF/board-js2x/slof/ht.fs
new file mode 100644
index 000000000..8f818a825
--- /dev/null
+++ b/qemu/roms/SLOF/board-js2x/slof/ht.fs
@@ -0,0 +1,189 @@
+\ *****************************************************************************
+\ * 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
+\ ****************************************************************************/
+
+\ Hypertransport.
+
+\ See the PCI OF binding document.
+
+new-device
+
+s" ht" 2dup device-name device-type
+s" u3-ht" compatible
+s" U3" encode-string s" model" property
+
+3 encode-int s" #address-cells" property
+2 encode-int s" #size-cells" property
+
+s" /mpic" find-node encode-int s" interrupt-parent" property
+
+4000 encode-int 0 encode-int+ 0 encode-int+
+1 encode-int+ s" /mpic" find-node encode-int+
+10 encode-int+ 0 encode-int+
+s" interrupt-map" property
+
+f800 encode-int 0 encode-int+ 0 encode-int+
+7 encode-int+ s" interrupt-map-mask" property
+
+: decode-unit 2 hex-decode-unit 3 lshift or
+ 8 lshift 0 0 rot ;
+: encode-unit nip nip ff00 and 8 rshift dup 7 and swap 3 rshift
+ over IF 2 ELSE nip 1 THEN hex-encode-unit ;
+
+f2000000 CONSTANT my-puid
+\ Configuration space accesses.
+: >config dup ffff > IF 1000000 + THEN f2000000 + ;
+
+\ : config-l! >config cr ." config-l! " 2dup . space . rl!-le ;
+\ : config-l@ >config cr ." config-l@ " dup . rl@-le space dup . ;
+\ : config-w! >config cr ." config-w! " 2dup . space . rw!-le ;
+\ : config-w@ >config cr ." config-w@ " dup . rw@-le space dup . ;
+\ : config-b! >config cr ." config-b! " 2dup . space . rb! ;
+\ : config-b@ >config cr ." config-b@ " dup . rb@ space dup . ;
+
+: config-l! >config rl!-le ;
+: config-l@ >config rl@-le ;
+: config-w! >config rw!-le ;
+: config-w@ >config rw@-le ;
+: config-b! >config rb! ;
+: config-b@ >config rb@ ;
+
+: config-dump ( addr size -- ) ['] config-l@ 4 (dump) ;
+
+
+\ 16MB of configuration space, separate for type 0 and type 1.
+00000000 encode-int f2000000 encode-int+
+00000000 encode-int+ 02000000 encode-int+ s" reg" property
+
+\ 4MB of I/O space.
+01000000 encode-int 00000000 encode-int+ 00000000 encode-int+
+00000000 encode-int+ f4000000 encode-int+
+00000000 encode-int+ 00400000 encode-int+
+
+\ 1 GB of memory space @ 80000000
+02000000 encode-int+ 00000000 encode-int+ 80000000 encode-int+
+00000000 encode-int+ 80000000 encode-int+
+00000000 encode-int+ 40000000 encode-int+ s" ranges" property
+
+\ Host bridge, so full bus range.
+0 encode-int ff encode-int+ s" bus-range" property
+
+: enable-ht-apic-space 3c0300fe f8070200 rl! ;
+enable-ht-apic-space
+
+\ spare out 0xc0000000-0xefffffff for pcie
+f8070200 rl@ fffffff0 and f8070200 rl!
+\ enable io memory for pcie @ c0000000-efffffff
+70000003 f80903f0 rl!-le
+
+
+\ Workaround for "takeover" boot on JS20: the top 8131 is programmed to be
+\ device #1f, while it should be #01.
+u3? IF f800 config-l@ 74501022 = IF 41 f8c2 config-w! THEN THEN
+
+\ Assign BUIDs.
+
+: find-ht-primary
+ 34 BEGIN config-b@ dup 0= ABORT" No HT capability block found!"
+ dup config-l@ e00000ff and 8 = IF 2 + EXIT THEN 1 + AGAIN ;
+
+: assign-buid ( this -- next )
+ find-ht-primary dup >r config-w@ 5 rshift 1f and over r> config-b! + ;
+
+: assign-buids ( -- )
+ 1 BEGIN 0 config-l@ ffffffff <> WHILE assign-buid REPEAT drop ;
+
+assign-buids
+
+: ldtstop f8000840 rl@ 40000 or f8000840 rl! ;
+: delay 100000 0 DO LOOP ;
+: wait-for-done BEGIN f8070110 rl@ 30 and UNTIL
+ BEGIN 8b4 config-l@ 30 and UNTIL ;
+: ldtstop1 f8000840 rl@ dup 20000 or f8000840 rl! delay
+ f8000840 rl! wait-for-done ;
+: warm 400000 f8070300 rl! 0 f8070300 rl! ;
+
+: dumpht cr f8070110 rl@ 8 0.r space 8b4 config-l@ 8 0.r
+ space f8070122 rb@ 2 0.r space 8bd config-b@ 2 0.r ;
+
+: clearht f8070110 dup rl@ swap rl!
+ f8070120 dup rl@ swap rl!
+ 08b4 dup config-l@ swap config-l!
+ 08bc dup config-l@ swap config-l! ;
+
+: setwidth dup f8070110 rb! 8b7 config-b! ;
+: set8 00 setwidth ;
+: set16 11 setwidth ;
+
+: setfreq dup f8070122 rb! 8bd config-b! ;
+: set200 0 setfreq ;
+: set300 1 setfreq ;
+: set400 2 setfreq ;
+: set500 3 setfreq ;
+: set600 4 setfreq ;
+: set800 5 setfreq ;
+: set1000 6 setfreq ;
+: set1200 7 setfreq ;
+: set1400 8 setfreq ;
+: set1600 9 setfreq ;
+
+: ht>freq 2 + dup 6 > IF 2* 6 - THEN d# 100 * ;
+\ XXX: looks only at the U3/U4 side for max. link speed and width.
+clearht f8070111 rb@ setwidth
+f8070120 rw@ 2log dup .( Switching top HT bus to ) ht>freq 0 d# .r .( MHz...) cr
+setfreq u3? IF ldtstop THEN u4? IF ldtstop1 THEN
+
+: open true ;
+: close ;
+
+\ : probe-pci-host-bridge ( bus-max bus-min mmio-max mmio-base mem-max mem-base io-max io-base my-puid -- )
+s" /mpic" find-node my-puid pci-irq-init drop
+1f 0 c0000000 b8000000 b8000000 80000000 100000000 10000
+my-puid probe-pci-host-bridge
+
+: msi
+ f80040f0 010854 config-l! 0 010858 config-l!
+ ffff 01085c config-w! 81 010852 config-b!
+;
+
+\ This works. Needs cleaning up though; and we need to communicate the
+\ MSI address range to the client program. (We keep the default range
+\ at fee00000 for now).
+: msi-on 7 1 DO 10000 i 800 * a0 + config-l! LOOP ;
+msi-on
+
+\ PCIe debug / fixup
+: find-pcie-cap ( devfn -- offset | 0 )
+ >r 34 BEGIN r@ + config-b@ dup ff <> over and WHILE
+ dup r@ + config-b@ 10 = IF
+ r> drop EXIT
+ THEN 1+
+ REPEAT r> 2drop 0
+;
+
+: (set-ps) ( ps addr -- )
+ 8 + >r 5 lshift r@ config-w@ ff1f and or r> config-w! ;
+: set-ps ( ps -- )
+ log2 7 -
+ 10000 0 DO i 8 lshift dup find-pcie-cap ?dup IF
+ + 2dup (set-ps) THEN drop LOOP drop ;
+
+: (set-rr) ( rr addr -- )
+ 8 + >r c lshift r@ config-w@ 8fff and or r> config-w! ;
+: set-rr ( rr -- )
+ log2 7 -
+ 10000 0 DO i 8 lshift dup find-pcie-cap ?dup IF
+ + 2dup (set-rr) THEN drop LOOP drop ;
+
+100 set-ps 200 set-rr
+100 set-ps 200 set-rr
+
+finish-device