powerpc: Fix compilation for 32-bit configs

Signed-off-by: Paul Mackerras <[e-mail]>

arch/powerpc/kernel/setup_32.c

···
 unsigned int DMA_MODE_READ;
 unsigned int DMA_MODE_WRITE;
 
+int have_of = 1;
+
 #ifdef CONFIG_PPC_MULTIPLATFORM
 int _machine = 0;
 
···
 #endif
 
 struct machdep_calls ppc_md;
+EXPORT_SYMBOL(ppc_md);
 
 /*
  * These are used in binfmt_elf.c to put aux entries on the stack
···
 console_initcall(set_preferred_console);
 #endif /* CONFIG_SERIAL_CORE_CONSOLE */
 #endif /* CONFIG_PPC_MULTIPLATFORM */
-
-struct bi_record *find_bootinfo(void)
-{
-	struct bi_record *rec;
-
-	rec = (struct bi_record *)_ALIGN((ulong)__bss_start+(1<<20)-1,(1<<20));
-	if ( rec->tag != BI_FIRST ) {
-		/*
-		 * This 0x10000 offset is a terrible hack but it will go away when
-		 * we have the bootloader handle all the relocation and
-		 * prom calls -- Cort
-		 */
-		rec = (struct bi_record *)_ALIGN((ulong)__bss_start+0x10000+(1<<20)-1,(1<<20));
-		if ( rec->tag != BI_FIRST )
-			return NULL;
-	}
-	return rec;
-}
 
 /*
  * Find out what kind of machine we're on and save any data we need

arch/ppc/kernel/Makefile

···
 fpu-y				+= ../../powerpc/kernel/fpu.o
 
 else
-obj-y				:= entry.o irq.o idle.o time.o misc.o \
+obj-y				:= irq.o idle.o time.o \
 					signal.o ptrace.o align.o \
-					syscalls.o setup.o \
-					cputable.o perfmon.o
+					syscalls.o cputable.o perfmon.o
 obj-$(CONFIG_6xx)		+= l2cr.o cpu_setup_6xx.o
 obj-$(CONFIG_SOFTWARE_SUSPEND)	+= swsusp.o
-obj-$(CONFIG_POWER4)		+= cpu_setup_power4.o
 obj-$(CONFIG_MODULES)		+= module.o
 obj-$(CONFIG_NOT_COHERENT_CACHE)	+= dma-mapping.o
 obj-$(CONFIG_PCI)		+= pci.o

include/asm-ppc/pci-bridge.h

···
 	struct resource mem_space;
 };
 
+static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
+{
+	return bus->sysdata;
+}
+
 /* These are used for config access before all the PCI probing
    has been done. */
 int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,