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D43553.1789840687.diff
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diff --git a/sys/powerpc/include/resource.h b/sys/powerpc/include/resource.h
--- a/sys/powerpc/include/resource.h
+++ b/sys/powerpc/include/resource.h
@@ -41,4 +41,11 @@
#define SYS_RES_IOPORT 4 /* i/o ports */
#define PCI_RES_BUS 5 /* PCI bus numbers */
+/*
+ * A powerpc-specific resource flag to request little-endian bus tags
+ * for a resource.
+ */
+
+#define RF_LITTLEENDIAN RF_SPARE1
+
#endif /* !_MACHINE_RESOURCE_H_ */
diff --git a/sys/powerpc/mpc85xx/fsl_sata.c b/sys/powerpc/mpc85xx/fsl_sata.c
--- a/sys/powerpc/mpc85xx/fsl_sata.c
+++ b/sys/powerpc/mpc85xx/fsl_sata.c
@@ -352,9 +352,8 @@
}
ch->r_mid = 0;
if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
- &ch->r_mid, RF_ACTIVE)))
+ &ch->r_mid, RF_ACTIVE | RF_LITTLEENDIAN)))
return (ENXIO);
- rman_set_bustag(ch->r_mem, &bs_le_tag);
fsl_sata_dmainit(dev);
fsl_sata_slotsalloc(dev);
fsl_sata_init(dev);
diff --git a/sys/powerpc/powerpc/nexus.c b/sys/powerpc/powerpc/nexus.c
--- a/sys/powerpc/powerpc/nexus.c
+++ b/sys/powerpc/powerpc/nexus.c
@@ -275,14 +275,20 @@
panic("%s:%d SYS_RES_IOPORT handling not implemented", __func__, __LINE__);
/* XXX: untested
map->r_bushandle = start;
- map->r_bustag = nexus_get_bus_tag(NULL, NULL);
+ if ((rman_get_flags(r) & RF_LITTLEENDIAN) != 0)
+ map->r_bustag = &bs_le_tag;
+ else
+ map->r_bustag = nexus_get_bus_tag(NULL, NULL);
map->r_size = length;
map->r_vaddr = NULL;
*/
break;
case SYS_RES_MEMORY:
map->r_vaddr = pmap_mapdev_attr(start, length, args.memattr);
- map->r_bustag = nexus_get_bus_tag(NULL, NULL);
+ if ((rman_get_flags(r) & RF_LITTLEENDIAN) != 0)
+ map->r_bustag = &bs_le_tag;
+ else
+ map->r_bustag = nexus_get_bus_tag(NULL, NULL);
map->r_size = length;
map->r_bushandle = (bus_space_handle_t)map->r_vaddr;
break;

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