powerpc: Get 64-bit configs to compile with ARCH=powerpc

This is a bunch of mostly small fixes that are needed to get
ARCH=powerpc to compile for 64-bit.  This adds setup_64.c from
arch/ppc64/kernel/setup.c and locks.c from arch/ppc64/lib/locks.c.

Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/kernel/Makefile

@@ -10,6 +10,12 @@ CFLAGS_prom_init.o      += -fPIC
 CFLAGS_btext.o		+= -fPIC
 endif
 
+obj-y				:= semaphore.o traps.o
+obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
+obj-$(CONFIG_POWER4)		+= idle_power4.o
+
+ifeq ($(CONFIG_PPC_MERGE),y)
+
 extra-$(CONFIG_PPC_STD_MMU)	:= head_32.o
 extra-$(CONFIG_PPC64)		:= head_64.o
 extra-$(CONFIG_40x)		:= head_4xx.o
@@ -21,15 +27,12 @@ extra-$(CONFIG_PPC64)		+= entry_64.o
 extra-$(CONFIG_PPC_FPU)		+= fpu.o
 extra-y				+= vmlinux.lds
 
-obj-y				+= traps.o prom.o semaphore.o
+obj-y				+= process.o init_task.o \
+				   prom.o systbl.o
 obj-$(CONFIG_PPC32)		+= entry_32.o setup_32.o misc_32.o
-obj-$(CONFIG_PPC64)		+= idle_power4.o
-obj-$(CONFIG_PPC64)		+= misc_64.o
-ifeq ($(CONFIG_PPC32),y)
+obj-$(CONFIG_PPC64)		+= setup_64.o misc_64.o
 obj-$(CONFIG_PPC_OF)		+= prom_init.o of_device.o
 obj-$(CONFIG_MODULES)		+= ppc_ksyms.o
-endif
-obj-$(CONFIG_ALTIVEC)		+= vecemu.o vector.o
 obj-$(CONFIG_BOOTX_TEXT)	+= btext.o
 
 ifeq ($(CONFIG_PPC_ISERIES),y)

arch/powerpc/kernel/asm-offsets.c

@@ -111,6 +111,7 @@ int main(void)
 	DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
 	DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
 	DEFINE(PLATFORM, offsetof(struct systemcfg, platform));
+	DEFINE(PLATFORM_LPAR, PLATFORM_LPAR);
 
 	/* paca */
 	DEFINE(PACA_SIZE, sizeof(struct paca_struct));

arch/powerpc/kernel/btext.c

@@ -50,7 +50,7 @@ static unsigned char vga_font[cmapsz];
 int boot_text_mapped;
 int force_printk_to_btext = 0;
 
-
+#ifdef CONFIG_PPC32
 /* Calc BAT values for mapping the display and store them
  * in disp_BAT.  Those values are then used from head.S to map
  * the display during identify_machine() and MMU_Init()
@@ -93,6 +93,7 @@ btext_prepare_BAT(void)
 	}
 	logicalDisplayBase = (void *) (vaddr + lowbits);
 }
+#endif
 
 /* This function will enable the early boot text when doing OF booting. This
  * way, xmon output should work too

arch/powerpc/kernel/head_64.S

@@ -746,6 +746,7 @@ bad_stack:
  * any task or sent any task a signal, you should use
  * ret_from_except or ret_from_except_lite instead of this.
  */
+	.globl	fast_exception_return
 fast_exception_return:
 	ld	r12,_MSR(r1)
 	ld	r11,_NIP(r1)

arch/powerpc/kernel/ppc_ksyms.c

@@ -51,6 +51,7 @@
 #include <asm/commproc.h>
 #endif
 
+#ifdef CONFIG_PPC32
 extern void transfer_to_handler(void);
 extern void do_IRQ(struct pt_regs *regs);
 extern void machine_check_exception(struct pt_regs *regs);
@@ -61,14 +62,12 @@ extern int do_signal(sigset_t *, struct pt_regs *);
 extern int pmac_newworld;
 extern int sys_sigreturn(struct pt_regs *regs);
 
-long long __ashrdi3(long long, int);
-long long __ashldi3(long long, int);
-long long __lshrdi3(long long, int);
-
-extern unsigned long mm_ptov (unsigned long paddr);
-
 EXPORT_SYMBOL(clear_pages);
-EXPORT_SYMBOL(clear_user_page);
+EXPORT_SYMBOL(ISA_DMA_THRESHOLD);
+EXPORT_SYMBOL(DMA_MODE_READ);
+EXPORT_SYMBOL(DMA_MODE_WRITE);
+EXPORT_SYMBOL(__div64_32);
+
 EXPORT_SYMBOL(do_signal);
 EXPORT_SYMBOL(transfer_to_handler);
 EXPORT_SYMBOL(do_IRQ);
@@ -77,12 +76,8 @@ EXPORT_SYMBOL(alignment_exception);
 EXPORT_SYMBOL(program_check_exception);
 EXPORT_SYMBOL(single_step_exception);
 EXPORT_SYMBOL(sys_sigreturn);
-EXPORT_SYMBOL(ppc_n_lost_interrupts);
-EXPORT_SYMBOL(ppc_lost_interrupts);
+#endif
 
-EXPORT_SYMBOL(ISA_DMA_THRESHOLD);
-EXPORT_SYMBOL(DMA_MODE_READ);
-EXPORT_SYMBOL(DMA_MODE_WRITE);
 #if defined(CONFIG_PPC_PREP)
 EXPORT_SYMBOL(_prep_type);
 EXPORT_SYMBOL(ucSystemType);
@@ -110,7 +105,6 @@ EXPORT_SYMBOL(strnlen);
 EXPORT_SYMBOL(strcmp);
 EXPORT_SYMBOL(strncmp);
 EXPORT_SYMBOL(strcasecmp);
-EXPORT_SYMBOL(__div64_32);
 
 EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_generic);
@@ -132,21 +126,21 @@ EXPORT_SYMBOL(_insw_ns);
 EXPORT_SYMBOL(_outsw_ns);
 EXPORT_SYMBOL(_insl_ns);
 EXPORT_SYMBOL(_outsl_ns);
-EXPORT_SYMBOL(iopa);
-EXPORT_SYMBOL(mm_ptov);
 EXPORT_SYMBOL(ioremap);
 #ifdef CONFIG_44x
 EXPORT_SYMBOL(ioremap64);
 #endif
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(iounmap);
+#ifdef CONFIG_PPC32
 EXPORT_SYMBOL(ioremap_bot);	/* aka VMALLOC_END */
+#endif
 
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+#if defined(CONFIG_PPC32) && (defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE))
 EXPORT_SYMBOL(ppc_ide_md);
 #endif
 
-#ifdef CONFIG_PCI
+#if defined(CONFIG_PCI) && defined(CONFIG_PPC32)
 EXPORT_SYMBOL(isa_io_base);
 EXPORT_SYMBOL(isa_mem_base);
 EXPORT_SYMBOL(pci_dram_offset);
@@ -168,31 +162,31 @@ EXPORT_SYMBOL(flush_dcache_all);
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
-EXPORT_SYMBOL(flush_instruction_cache);
 EXPORT_SYMBOL(giveup_fpu);
+#ifdef CONFIG_ALTIVEC
+EXPORT_SYMBOL(giveup_altivec);
+#endif /* CONFIG_ALTIVEC */
+#ifdef CONFIG_SPE
+EXPORT_SYMBOL(giveup_spe);
+#endif /* CONFIG_SPE */
+
 #ifdef CONFIG_PPC64
 EXPORT_SYMBOL(__flush_icache_range);
 #else
+EXPORT_SYMBOL(flush_instruction_cache);
 EXPORT_SYMBOL(flush_icache_range);
-#endif
-EXPORT_SYMBOL(flush_dcache_range);
-EXPORT_SYMBOL(flush_icache_user_range);
-EXPORT_SYMBOL(flush_dcache_page);
 EXPORT_SYMBOL(flush_tlb_kernel_range);
 EXPORT_SYMBOL(flush_tlb_page);
 EXPORT_SYMBOL(_tlbie);
-#ifdef CONFIG_ALTIVEC
-EXPORT_SYMBOL(giveup_altivec);
-#endif /* CONFIG_ALTIVEC */
-#ifdef CONFIG_SPE
-EXPORT_SYMBOL(giveup_spe);
-#endif /* CONFIG_SPE */
+#endif
+EXPORT_SYMBOL(flush_dcache_range);
+
 #ifdef CONFIG_SMP
 EXPORT_SYMBOL(smp_call_function);
+#ifdef CONFIG_PPC32
 EXPORT_SYMBOL(smp_hw_index);
 #endif
-
-EXPORT_SYMBOL(ppc_md);
+#endif
 
 #ifdef CONFIG_ADB
 EXPORT_SYMBOL(adb_request);
@@ -205,25 +199,27 @@ EXPORT_SYMBOL(adb_try_handler_change);
 EXPORT_SYMBOL(cuda_request);
 EXPORT_SYMBOL(cuda_poll);
 #endif /* CONFIG_ADB_CUDA */
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#if defined(CONFIG_PPC_MULTIPLATFORM) && defined(CONFIG_PPC32)
 EXPORT_SYMBOL(_machine);
 #endif
 #ifdef CONFIG_PPC_PMAC
 EXPORT_SYMBOL(sys_ctrler);
-EXPORT_SYMBOL(pmac_newworld);
 #endif
 #ifdef CONFIG_VT
 EXPORT_SYMBOL(kd_mksound);
 #endif
 EXPORT_SYMBOL(to_tm);
 
-EXPORT_SYMBOL(pm_power_off);
-
+#ifdef CONFIG_PPC32
+long long __ashrdi3(long long, int);
+long long __ashldi3(long long, int);
+long long __lshrdi3(long long, int);
 EXPORT_SYMBOL(__ashrdi3);
 EXPORT_SYMBOL(__ashldi3);
 EXPORT_SYMBOL(__lshrdi3);
+#endif
+
 EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(cacheable_memcpy);
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(memscan);
@@ -234,17 +230,14 @@ EXPORT_SYMBOL(memchr);
 EXPORT_SYMBOL(screen_info);
 #endif
 
+#ifdef CONFIG_PPC32
+EXPORT_SYMBOL(pm_power_off);
 EXPORT_SYMBOL(__delay);
 EXPORT_SYMBOL(timer_interrupt);
 EXPORT_SYMBOL(irq_desc);
 EXPORT_SYMBOL(tb_ticks_per_jiffy);
-EXPORT_SYMBOL(get_wchan);
 EXPORT_SYMBOL(console_drivers);
-
-#ifdef CONFIG_PPC_ISERIES
-EXPORT_SYMBOL(local_irq_disable);
-EXPORT_SYMBOL(local_irq_enable);
-EXPORT_SYMBOL(local_get_flags);
+EXPORT_SYMBOL(cacheable_memcpy);
 #endif
 
 #ifdef CONFIG_XMON
@@ -255,22 +248,6 @@ EXPORT_SYMBOL(__up);
 EXPORT_SYMBOL(__down);
 EXPORT_SYMBOL(__down_interruptible);
 
-#if defined(CONFIG_KGDB) || defined(CONFIG_XMON)
-extern void (*debugger)(struct pt_regs *regs);
-extern int (*debugger_bpt)(struct pt_regs *regs);
-extern int (*debugger_sstep)(struct pt_regs *regs);
-extern int (*debugger_iabr_match)(struct pt_regs *regs);
-extern int (*debugger_dabr_match)(struct pt_regs *regs);
-extern void (*debugger_fault_handler)(struct pt_regs *regs);
-
-EXPORT_SYMBOL(debugger);
-EXPORT_SYMBOL(debugger_bpt);
-EXPORT_SYMBOL(debugger_sstep);
-EXPORT_SYMBOL(debugger_iabr_match);
-EXPORT_SYMBOL(debugger_dabr_match);
-EXPORT_SYMBOL(debugger_fault_handler);
-#endif
-
 #ifdef  CONFIG_8xx
 EXPORT_SYMBOL(cpm_install_handler);
 EXPORT_SYMBOL(cpm_free_handler);
@@ -280,22 +257,24 @@ EXPORT_SYMBOL(cpm_free_handler);
 EXPORT_SYMBOL(__res);
 #endif
 
+#ifdef CONFIG_PPC32
 EXPORT_SYMBOL(next_mmu_context);
 EXPORT_SYMBOL(set_context);
-EXPORT_SYMBOL_GPL(__handle_mm_fault); /* For MOL */
 EXPORT_SYMBOL(disarm_decr);
-#ifdef CONFIG_PPC_STD_MMU
+#endif
+
+#ifdef CONFIG_PPC_STD_MMU_32
 extern long mol_trampoline;
 EXPORT_SYMBOL(mol_trampoline); /* For MOL */
 EXPORT_SYMBOL(flush_hash_pages); /* For MOL */
+EXPORT_SYMBOL_GPL(__handle_mm_fault); /* For MOL */
 #ifdef CONFIG_SMP
 extern int mmu_hash_lock;
 EXPORT_SYMBOL(mmu_hash_lock); /* For MOL */
 #endif /* CONFIG_SMP */
 extern long *intercept_table;
 EXPORT_SYMBOL(intercept_table);
-#endif /* CONFIG_PPC_STD_MMU */
-EXPORT_SYMBOL(cur_cpu_spec);
+#endif /* CONFIG_PPC_STD_MMU_32 */
 #ifdef CONFIG_PPC_PMAC
 extern unsigned long agp_special_page;
 EXPORT_SYMBOL(agp_special_page);

arch/powerpc/kernel/prom.c

@@ -47,6 +47,10 @@
 #include <asm/sections.h>
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
+#include <asm/pci-bridge.h>
+#ifdef CONFIG_PPC64
+#include <asm/systemcfg.h>
+#endif
 
 #ifdef DEBUG
 #define DBG(fmt...) printk(KERN_ERR fmt)
@@ -1072,7 +1076,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 	} else {
 		/* Check if it's the boot-cpu, set it's hw index in paca now */
 		if (get_flat_dt_prop(node, "linux,boot-cpu", NULL) != NULL) {
-			u32 *prop = get_flat_dt_prop(node, "reg", NULL);
+			prop = get_flat_dt_prop(node, "reg", NULL);
 			set_hard_smp_processor_id(0, prop == NULL ? 0 : *prop);
 			boot_cpuid_phys = get_hard_smp_processor_id(0);
 		}