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[POWERPC] Remove more iSeries-specific stuff from vio.c

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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell
2007-10-11 14:55:02 +10:00
committed by Paul Mackerras
parent 1670b2b271
commit dd9b67ab37
3 changed files with 47 additions and 49 deletions
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68
arch/powerpc/kernel/vio.c
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@ -48,61 +48,33 @@ static struct vio_dev vio_bus_device = { /* fake "parent" device */
.dev.bus = &vio_bus_type,
};
#ifdef CONFIG_PPC_ISERIES
static struct iommu_table veth_iommu_table;
struct iommu_table vio_iommu_table;
static void __init iommu_vio_init(void)
{
iommu_table_getparms_iSeries(255, 0, 0xff, &veth_iommu_table);
veth_iommu_table.it_size /= 2;
vio_iommu_table = veth_iommu_table;
vio_iommu_table.it_offset += veth_iommu_table.it_size;
if (!iommu_init_table(&veth_iommu_table, -1))
printk("Virtual Bus VETH TCE table failed.\n");
if (!iommu_init_table(&vio_iommu_table, -1))
printk("Virtual Bus VIO TCE table failed.\n");
}
#else
static void __init iommu_vio_init(void)
{
}
#endif
static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
{
#ifdef CONFIG_PPC_ISERIES
if (firmware_has_feature(FW_FEATURE_ISERIES)) {
if (strcmp(dev->type, "network") == 0)
return &veth_iommu_table;
return &vio_iommu_table;
} else
#endif
{
const unsigned char *dma_window;
struct iommu_table *tbl;
unsigned long offset, size;
const unsigned char *dma_window;
struct iommu_table *tbl;
unsigned long offset, size;
dma_window = of_get_property(dev->dev.archdata.of_node,
"ibm,my-dma-window", NULL);
if (!dma_window)
return NULL;
if (firmware_has_feature(FW_FEATURE_ISERIES))
return vio_build_iommu_table_iseries(dev);
tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
dma_window = of_get_property(dev->dev.archdata.of_node,
"ibm,my-dma-window", NULL);
if (!dma_window)
return NULL;
of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
&tbl->it_index, &offset, &size);
tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
/* TCE table size - measured in tce entries */
tbl->it_size = size >> IOMMU_PAGE_SHIFT;
/* offset for VIO should always be 0 */
tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
tbl->it_busno = 0;
tbl->it_type = TCE_VB;
of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
&tbl->it_index, &offset, &size);
return iommu_init_table(tbl, -1);
}
/* TCE table size - measured in tce entries */
tbl->it_size = size >> IOMMU_PAGE_SHIFT;
/* offset for VIO should always be 0 */
tbl->it_offset = offset >> IOMMU_PAGE_SHIFT;
tbl->it_busno = 0;
tbl->it_type = TCE_VB;
return iommu_init_table(tbl, -1);
}
/**