10 files changed, 68 insertions, 136 deletions

diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index cd48c721001..c70eff69a1f 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -32,7 +32,6 @@ setup-y		+= a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o
 setup-y         += header.o main.o mca.o memory.o pm.o pmjump.o
 setup-y         += printf.o string.o tty.o video.o video-mode.o version.o
 setup-$(CONFIG_X86_APM_BOOT) += apm.o
-setup-$(CONFIG_X86_VOYAGER) += voyager.o
 
 # The link order of the video-*.o modules can matter.  In particular,
 # video-vga.o *must* be listed first, followed by video-vesa.o.
diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index 4063d630def..7c19ce8c244 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -2,6 +2,7 @@
  *
  *   Copyright (C) 1991, 1992 Linus Torvalds
  *   Copyright 2007-2008 rPath, Inc. - All Rights Reserved
+ *   Copyright 2009 Intel Corporation
  *
  *   This file is part of the Linux kernel, and is made available under
  *   the terms of the GNU General Public License version 2.
@@ -15,16 +16,23 @@
 #include "boot.h"
 
 #define MAX_8042_LOOPS  100000
+#define MAX_8042_FF     32
 
 static int empty_8042(void)
 {
         u8 status;
         int loops = MAX_8042_LOOPS;
+        int ffs   = MAX_8042_FF;
 
         while (loops--) {
                 io_delay();
 
                 status = inb(0x64);
+                if (status == 0xff) {
+                        /* FF is a plausible, but very unlikely status */
+                        if (!--ffs)
+                                return -1; /* Assume no KBC present */
+                }
                 if (status & 1) {
                         /* Read and discard input data */
                         io_delay();
@@ -118,44 +126,37 @@ static void enable_a20_fast(void)
 
 int enable_a20(void)
 {
-#if defined(CONFIG_X86_ELAN)
-        /* Elan croaks if we try to touch the KBC */
-        enable_a20_fast();
-        while (!a20_test_long())
-                ;
-        return 0;
-#elif defined(CONFIG_X86_VOYAGER)
-        /* On Voyager, a20_test() is unsafe? */
-        enable_a20_kbc();
-        return 0;
-#else
        int loops = A20_ENABLE_LOOPS;
-        while (loops--) {
-                /* First, check to see if A20 is already enabled
-                   (legacy free, etc.) */
-                if (a20_test_short())
-                        return 0;
-
-                /* Next, try the BIOS (INT 0x15, AX=0x2401) */
-                enable_a20_bios();
-                if (a20_test_short())
-                        return 0;
-
-                /* Try enabling A20 through the keyboard controller */
-                empty_8042();
-                if (a20_test_short())
-                        return 0; /* BIOS worked, but with delayed reaction */
-
-                enable_a20_kbc();
-                if (a20_test_long())
-                        return 0;
-
-                /* Finally, try enabling the "fast A20 gate" */
-                enable_a20_fast();
-                if (a20_test_long())
-                        return 0;
-        }
-
-        return -1;
-#endif
+       int kbc_err;
+
+       while (loops--) {
+               /* First, check to see if A20 is already enabled
+                  (legacy free, etc.) */
+               if (a20_test_short())
+                       return 0;
+               
+               /* Next, try the BIOS (INT 0x15, AX=0x2401) */
+               enable_a20_bios();
+               if (a20_test_short())
+                       return 0;
+               
+               /* Try enabling A20 through the keyboard controller */
+               kbc_err = empty_8042();
+
+               if (a20_test_short())
+                       return 0; /* BIOS worked, but with delayed reaction */
+        
+               if (!kbc_err) {
+                       enable_a20_kbc();
+                       if (a20_test_long())
+                               return 0;
+               }
+               
+               /* Finally, try enabling the "fast A20 gate" */
+               enable_a20_fast();
+               if (a20_test_long())
+                       return 0;
+       }
+       
+       return -1;
 }
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index cc0ef13fba7..7b2692e897e 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -302,9 +302,6 @@ void probe_cards(int unsafe);
 /* video-vesa.c */
 void vesa_store_edid(void);
 
-/* voyager.c */
-int query_voyager(void);
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* BOOT_BOOT_H */
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 29c5fbf0839..3a8a866fb2e 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -25,14 +25,12 @@
 
 #include <linux/linkage.h>
 #include <asm/segment.h>
-#include <asm/page.h>
+#include <asm/page_types.h>
 #include <asm/boot.h>
 #include <asm/asm-offsets.h>
 
 .section ".text.head","ax",@progbits
-        .globl startup_32
-
-startup_32:
+ENTRY(startup_32)
         cld
         /* test KEEP_SEGMENTS flag to see if the bootloader is asking
          * us to not reload segments */
@@ -113,6 +111,8 @@ startup_32:
  */
         leal relocated(%ebx), %eax
         jmp *%eax
+ENDPROC(startup_32)
+
 .section ".text"
 relocated:
 
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 1d5dff4123e..ed4a8294800 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -26,8 +26,8 @@
 
 #include <linux/linkage.h>
 #include <asm/segment.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <asm/pgtable_types.h>
+#include <asm/page_types.h>
 #include <asm/boot.h>
 #include <asm/msr.h>
 #include <asm/processor-flags.h>
@@ -35,9 +35,7 @@
 
 .section ".text.head"
         .code32
-        .globl startup_32
-
-startup_32:
+ENTRY(startup_32)
         cld
         /* test KEEP_SEGMENTS flag to see if the bootloader is asking
          * us to not reload segments */
@@ -176,6 +174,7 @@ startup_32:
 
         /* Jump from 32bit compatibility mode into 64bit mode. */
         lret
+ENDPROC(startup_32)
 
 no_longmode:
         /* This isn't an x86-64 CPU so hang */
@@ -295,7 +294,6 @@ relocated:
         call    decompress_kernel
         popq    %rsi
 
-
 /*
  * Jump to the decompressed kernel.
  */
diff --git a/arch/x86/boot/copy.S b/arch/x86/boot/copy.S
index ef50c84e8b4..11f272c6f5e 100644
--- a/arch/x86/boot/copy.S
+++ b/arch/x86/boot/copy.S
@@ -8,6 +8,8 @@
  *
  * ----------------------------------------------------------------------- */
 
+#include <linux/linkage.h>
+
 /*
  * Memory copy routines
  */
@@ -15,9 +17,7 @@
         .code16gcc
         .text
 
-        .globl  memcpy
-        .type   memcpy, @function
-memcpy:
+GLOBAL(memcpy)
         pushw   %si
         pushw   %di
         movw    %ax, %di
@@ -31,11 +31,9 @@ memcpy:
         popw    %di
         popw    %si
         ret
-        .size   memcpy, .-memcpy
+ENDPROC(memcpy)
 
-        .globl  memset
-        .type   memset, @function
-memset:
+GLOBAL(memset)
         pushw   %di
         movw    %ax, %di
         movzbl  %dl, %eax
@@ -48,52 +46,42 @@ memset:
         rep; stosb
         popw    %di
         ret
-        .size   memset, .-memset
+ENDPROC(memset)
 
-        .globl  copy_from_fs
-        .type   copy_from_fs, @function
-copy_from_fs:
+GLOBAL(copy_from_fs)
         pushw   %ds
         pushw   %fs
         popw    %ds
         call    memcpy
         popw    %ds
         ret
-        .size   copy_from_fs, .-copy_from_fs
+ENDPROC(copy_from_fs)
 
-        .globl  copy_to_fs
-        .type   copy_to_fs, @function
-copy_to_fs:
+GLOBAL(copy_to_fs)
         pushw   %es
         pushw   %fs
         popw    %es
         call    memcpy
         popw    %es
         ret
-        .size   copy_to_fs, .-copy_to_fs
+ENDPROC(copy_to_fs)
 
 #if 0 /* Not currently used, but can be enabled as needed */
-
-        .globl  copy_from_gs
-        .type   copy_from_gs, @function
-copy_from_gs:
+GLOBAL(copy_from_gs)
         pushw   %ds
         pushw   %gs
         popw    %ds
         call    memcpy
         popw    %ds
         ret
-        .size   copy_from_gs, .-copy_from_gs
-        .globl  copy_to_gs
+ENDPROC(copy_from_gs)
 
-        .type   copy_to_gs, @function
-copy_to_gs:
+GLOBAL(copy_to_gs)
         pushw   %es
         pushw   %gs
         popw    %es
         call    memcpy
         popw    %es
         ret
-        .size   copy_to_gs, .-copy_to_gs
-
+ENDPROC(copy_to_gs)
 #endif
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index b993062e9a5..7ccff4884a2 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -19,7 +19,7 @@
 #include <linux/utsrelease.h>
 #include <asm/boot.h>
 #include <asm/e820.h>
-#include <asm/page.h>
+#include <asm/page_types.h>
 #include <asm/setup.h>
 #include "boot.h"
 #include "offsets.h"
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 197421db1af..58f0415d3ae 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -149,11 +149,6 @@ void main(void)
         /* Query MCA information */
         query_mca();
 
-        /* Voyager */
-#ifdef CONFIG_X86_VOYAGER
-        query_voyager();
-#endif
-
         /* Query Intel SpeedStep (IST) information */
         query_ist();
 
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index 141b6e20ed3..019c17a7585 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -15,18 +15,15 @@
 #include <asm/boot.h>
 #include <asm/processor-flags.h>
 #include <asm/segment.h>
+#include <linux/linkage.h>
 
         .text
-
-        .globl  protected_mode_jump
-        .type   protected_mode_jump, @function
-
         .code16
 
 /*
  * void protected_mode_jump(u32 entrypoint, u32 bootparams);
  */
-protected_mode_jump:
+GLOBAL(protected_mode_jump)
         movl    %edx, %esi              # Pointer to boot_params table
 
         xorl    %ebx, %ebx
@@ -47,12 +44,10 @@ protected_mode_jump:
         .byte   0x66, 0xea              # ljmpl opcode
 2:      .long   in_pm32                 # offset
         .word   __BOOT_CS               # segment
-
-        .size   protected_mode_jump, .-protected_mode_jump
+ENDPROC(protected_mode_jump)
 
         .code32
-        .type   in_pm32, @function
-in_pm32:
+GLOBAL(in_pm32)
         # Set up data segments for flat 32-bit mode
         movl    %ecx, %ds
         movl    %ecx, %es
@@ -78,5 +73,4 @@ in_pm32:
         lldt    %cx
 
         jmpl    *%eax                   # Jump to the 32-bit entrypoint
-
-        .size   in_pm32, .-in_pm32
+ENDPROC(in_pm32)
diff --git a/arch/x86/boot/voyager.c b/arch/x86/boot/voyager.c
deleted file mode 100644
index 433909d61e5..00000000000
--- a/arch/x86/boot/voyager.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/* -*- linux-c -*- ------------------------------------------------------- *
- *
- *   Copyright (C) 1991, 1992 Linus Torvalds
- *   Copyright 2007 rPath, Inc. - All Rights Reserved
- *
- *   This file is part of the Linux kernel, and is made available under
- *   the terms of the GNU General Public License version 2.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * Get the Voyager config information
- */
-
-#include "boot.h"
-
-int query_voyager(void)
-{
-        u8 err;
-        u16 es, di;
-        /* Abuse the apm_bios_info area for this */
-        u8 *data_ptr = (u8 *)&boot_params.apm_bios_info;
-
-        data_ptr[0] = 0xff;     /* Flag on config not found(?) */
-
-        asm("pushw %%es ; "
-            "int $0x15 ; "
-            "setc %0 ; "
-            "movw %%es, %1 ; "
-            "popw %%es"
-            : "=q" (err), "=r" (es), "=D" (di)
-            : "a" (0xffc0));
-
-        if (err)
-                return -1;      /* Not Voyager */
-
-        set_fs(es);
-        copy_from_fs(data_ptr, di, 7);  /* Table is 7 bytes apparently */
-        return 0;
-}