PHB hotplug will bring more users for it. Let's define it along with
the PHB defines from which it is derived for simplicity.
While here fix a misleading comment about manual placement, which was
abandoned with
30b3bc5aa9f4.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
* 1TiB 64-bit MMIO windows for each PHB.
*/
const uint64_t base_buid = 0x800000020000000ULL;
-#define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
- SPAPR_PCI_MEM64_WIN_SIZE - 1)
int i;
/* Sanity check natural alignments */
((1ULL << 32) - SPAPR_PCI_MEM_WIN_BUS_OFFSET)
#define SPAPR_PCI_MEM64_WIN_SIZE 0x10000000000ULL /* 1 TiB */
-/* Without manual configuration, all PCI outbound windows will be
- * within this range */
+/* All PCI outbound windows will be within this range */
#define SPAPR_PCI_BASE (1ULL << 45) /* 32 TiB */
#define SPAPR_PCI_LIMIT (1ULL << 46) /* 64 TiB */
+#define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
+ SPAPR_PCI_MEM64_WIN_SIZE - 1)
+
#define SPAPR_PCI_2_7_MMIO_WIN_SIZE 0xf80000000
#define SPAPR_PCI_IO_WIN_SIZE 0x10000