[commit] r1340 - trunk/openbios-devel/arch/sparc32

[repository service]

Author: mcayland
Date: Wed May 13 01:11:05 2015
New Revision: 1340
URL: http://tracker.coreboot.org/trac/openbios/changeset/1340

Log:
SPARC32: Reduce OpenBIOS reserved space

SunOS 4.1.4 maps the DVMA (IOMMU) at address 0xfff00000 (hardcoded).

OpenBIOS shall not use that virtual memory area in order to be
compatible with SunOS.

Signed-off-by: Olivier Danet 
Signed-off-by: Mark Cave-Ayland

Modified:
   trunk/openbios-devel/arch/sparc32/ofmem_sparc32.c

Modified: trunk/openbios-devel/arch/sparc32/ofmem_sparc32.c
==============================================================================
--- trunk/openbios-devel/arch/sparc32/ofmem_sparc32.c	Wed May 13 01:04:20 2015	(r1339)
+++ trunk/openbios-devel/arch/sparc32/ofmem_sparc32.c	Wed May 13 01:11:05 2015	(r1340)
@@ -249,5 +249,5 @@
    ofmem_claim_phys(s_ofmem_data.ofmem.ramsize - OFMEM_PHYS_RESERVED, OFMEM_PHYS_RESERVED, 0);
    
    /* Claim OpenBIOS reserved space */
-	ofmem_claim_virt(0xffd00000, 0x300000, 0);
+	ofmem_claim_virt(0xffd00000, 0x200000, 0);
 }