x86: Fix up some missing prototypes

Some functions are missing prototypes. Fix those that are specific to x86.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/cpu/coreboot/coreboot.c

@@ -97,7 +97,7 @@ int board_eth_init(bd_t *bis)
 #define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg))
 #define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1)
 
-int board_final_cleanup(void)
+void board_final_cleanup(void)
 {
 	/* Un-cache the ROM so the kernel has one
 	 * more MTRR available.
@@ -119,8 +119,6 @@ int board_final_cleanup(void)
 	/* Issue SMI to Coreboot to lock down ME and registers */
 	printf("Finalizing Coreboot\n");
 	outb(0xcb, 0xb2);
-
-	return 0;
 }
 
 void panic_puts(const char *str)

arch/x86/cpu/coreboot/sdram.c

@@ -14,6 +14,7 @@
 #include <asm/init_helpers.h>
 #include <asm/processor.h>
 #include <asm/sections.h>
+#include <asm/zimage.h>
 #include <asm/arch/sysinfo.h>
 #include <asm/arch/tables.h>
 
@@ -99,7 +100,7 @@ int dram_init(void)
 	return calculate_relocation_address();
 }
 
-int dram_init_banksize(void)
+void dram_init_banksize(void)
 {
 	int i, j;
 
@@ -116,5 +117,4 @@ int dram_init_banksize(void)
 			}
 		}
 	}
-	return 0;
 }

arch/x86/cpu/cpu.c

@@ -197,14 +197,13 @@ asm(".globl generate_gpf\n"
 	"generate_gpf:\n"
 	"ljmp   $0x70, $0x47114711\n");
 
-void __reset_cpu(ulong addr)
+__weak void reset_cpu(ulong addr)
 {
 	printf("Resetting using x86 Triple Fault\n");
 	set_vector(13, generate_gpf);	/* general protection fault handler */
 	set_vector(8, generate_gpf);	/* double fault handler */
 	generate_gpf();			/* start the show */
 }
-void reset_cpu(ulong addr) __attribute__((weak, alias("__reset_cpu")));
 
 int dcache_status(void)
 {

arch/x86/cpu/interrupts.c

@@ -31,7 +31,7 @@ DECLARE_GLOBAL_DATA_PTR;
 	"pushl $"#x"\n" \
 	"jmp irq_common_entry\n"
 
-void dump_regs(struct irq_regs *regs)
+static void dump_regs(struct irq_regs *regs)
 {
 	unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
 	unsigned long d0, d1, d2, d3, d6, d7;

arch/x86/include/asm/u-boot-x86.h

@@ -37,6 +37,15 @@ int cpu_init_interrupts(void);
 /* board/.../... */
 int dram_init(void);
 
+int cleanup_before_linux(void);
+int x86_cleanup_before_linux(void);
+void x86_enable_caches(void);
+void x86_disable_caches(void);
+int x86_init_cache(void);
+void reset_cpu(ulong addr);
+ulong board_get_usable_ram_top(ulong total_size);
+void dram_init_banksize(void);
+
 void setup_pcat_compatibility(void);
 
 void isa_unmap_rom(u32 addr);