[openfirmware] [commit] r2068 - cpu/arm/mmp2

[repository service]

Author: wmb
Date: Wed Dec  8 22:24:34 2010
New Revision: 2068
URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2068

Log:
XO-1.75 - make DMA space uncached so USB descriptors work right.

Modified:
   cpu/arm/mmp2/mmuon.fth
   cpu/arm/mmp2/rootnode.fth

Modified: cpu/arm/mmp2/mmuon.fth
==============================================================================
--- cpu/arm/mmp2/mmuon.fth	Wed Dec  8 06:37:16 2010	(r2067)
+++ cpu/arm/mmp2/mmuon.fth	Wed Dec  8 22:24:34 2010	(r2068)
@@ -23,10 +23,11 @@
 ;
 
 : ofw-sections  ( -- )
-   h# 0000.0000  h# c0e  over  fb-pa        map-sections  \ Cache and write bufferable
-\  fw-pa         h# c0e  over  /fw-ram      map-sections  \ Cache and write bufferable
+   h# 0000.0000  h# c0e  over  dma-base     map-sections  \ Cache and write bufferable
+   dma-base      h# c02  over  dma-size     map-sections  \ Non-cacheable DMA space
+   fw-pa         h# c0e  over  /fw-ram      map-sections  \ Cache and write bufferable
    fb-pa         h# c06  over  fb-size      map-sections  \ Write bufferable
-\   h# d100.0000  h# c0e  over  h# 0030.0000 map-sections  \ Cache and write bufferable (SRAM)
+\  h# d100.0000  h# c0e  over  h# 0030.0000 map-sections  \ Cache and write bufferable (SRAM)
    h# d100.0000  h# c02  over  h# 0030.0000 map-sections  \ I/O - no caching or buffering (SRAM)
    h# d400.0000  h# c02  over  h# 0040.0000 map-sections  \ I/O - no caching or buffering
    h# e000.0000  h# c02  over  /section     map-sections  \ Audio SRAM - no caching or buffering

Modified: cpu/arm/mmp2/rootnode.fth
==============================================================================
--- cpu/arm/mmp2/rootnode.fth	Wed Dec  8 06:37:16 2010	(r2067)
+++ cpu/arm/mmp2/rootnode.fth	Wed Dec  8 22:24:34 2010	(r2068)
@@ -109,9 +109,12 @@
 ;
 : dma-map-out  ( virt devaddr size -- )  nip flush-d$-range  ;
 
-: dma-sync  ( virt devaddr size -- )  nip flush-d$-range  ;
-: dma-push  ( virt devaddr size -- )  nip flush-d$-range  ;
-: dma-pull  ( virt devaddr size -- )  nip flush-d$-range  ;
+\ : dma-sync  ( virt devaddr size -- )  nip flush-d$-range  ;
+\ : dma-push  ( virt devaddr size -- )  nip flush-d$-range  ;
+\ : dma-pull  ( virt devaddr size -- )  nip flush-d$-range  ;
+: dma-sync  ( virt devaddr size -- )  3drop  ;
+: dma-push  ( virt devaddr size -- )  3drop  ;
+: dma-pull  ( virt devaddr size -- )  3drop  ;
 
 finish-device