powerpc/powernv/pci: Remove ioda1 support

The final "VPL" Power7 boxes that were used for powernv bringup have
been scrapped, meaning there are no machines with ioda1 left.

This patch removes the obvious unused code.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230613045202.294451-2-joel@jms.id.au

arch/powerpc/platforms/powernv/pci.c

@@ -845,11 +845,6 @@ void __init pnv_pci_init(void)
 	pcie_ports_disabled = true;
 #endif
 
-	/* Look for IODA IO-Hubs. */
-	for_each_compatible_node(np, NULL, "ibm,ioda-hub") {
-		pnv_pci_init_ioda_hub(np);
-	}
-
 	/* Look for ioda2 built-in PHB3's */
 	for_each_compatible_node(np, NULL, "ibm,ioda2-phb")
 		pnv_pci_init_ioda2_phb(np);

arch/powerpc/platforms/powernv/pci.h

@@ -163,10 +163,6 @@ struct pnv_phb {
 		unsigned int		*m32_segmap;
 		unsigned int		*io_segmap;
 
-		/* DMA32 segment maps - IODA1 only */
-		unsigned int		dma32_count;
-		unsigned int		*dma32_segmap;
-
 		/* IRQ chip */
 		int			irq_chip_init;
 		struct irq_chip		irq_chip;