Merge branch 'master' of ssh://gemini/home/wd/git/u-boot/master

* 'master' of ssh://gemini/home/wd/git/u-boot/master:
  board/emk/top860/top860.c: Fix GCC 4.6 build warning
  board/sbc405/strataflash.c: Fix GCC 4.6 build warning
  arch/powerpc/cpu/mpc86xx/cpu.c: Fix GCC 4.6 build warning
  board/freescale/mpc8610hpcd/mpc8610hpcd.c: Fix GCC 4.6 build warning
  board/mpl/common/flash.c: Fix GCC 4.6 build warning
  post/board/lwmon5/gdc.c: Fix GCC 4.6 build warning
  drivers/usb/host/sl811-hcd.c: Fix GCC 4.6 build warning
  board/sandburst/common/flash.c: Fix GCC 4.6 build warning
  DB64460: Fix GCC 4.6 build warnings
  DB64360: Fix GCC 4.6 build warnings
  board/cray/L1/flash.c: Fix GCC 4.6 build warning
  drivers/block/sata_dwc.c: Fix GCC 4.6 build warning
  board/amirix/ap1000/flash.c: Fix GCC 4.6 build warning
  alpr board: Fix GCC 4.6 build warnings
  image: Don't detect XIP images as overlapping.
  image: Implement IH_TYPE_KERNEL_NOLOAD
  ppc4xx: Add Io64 board support
  ppc4xx: fix PMC440 painit command
  ppc4xx: remove invalid access to PCI_BRDGOPT2 register
  ppc4xx: use CONFIG_PCI_BOOTDELAY instead of private implementation
  mpc85xx: support for Freescale COM Express P2020
  arch/powerpc/cpu/mpc8xxx/ddr/interactive.c: Fix GCC 4.6 build warning
  mpc85xx: support board-specific reset function
  powerpc/85xx: verify the localbus device tree address before booting the OS
  mpc8xxx: update module_type values from JEDEC DDR3 SPD Specification
  powerpc/p3060qds: Add board related support for P3060QDS platform
  powerpc/85xx: clean up and document the QE/FMAN microcode macros
  powerpc/85xx: always implement the work-around for Erratum SATA_A001
  powerpc/85xx: CONFIG_FSL_SATA_V2 should be defined in config_mpc85xx.h
  powerpc/85xx: Add workaround for erratum A-003474
  powerpc/85xx: fixup flexcan device tree clock-frequency
  powerpc/85xx: Add workaround for erratum CPU-A003999
  x86: Fix some bugs in the i8402 driver when no controller is present
  x86: Make the i8042 driver checkpatch clean
  x86: Wrap small helper functions from libgcc to avoid an ABI mismatch
  x86: Import the glibc memset implementation
  x86: Fix a few recently added bugs
  x86: Don't relocate symbols which point to things that aren't relocated
  x86: Fix how the location of the realmode and bios blobs are calculated
  x86: Misc cleanups
  x86: Misc PCI touchups
  x86: Ensure IDT and GDT remain 16-byte aligned post relocation
  x86: Provide more configuration granularity
  x86: Add multiboot header
  sc520: Create arch asm-offsets
  x86: Punt cold- and warm-boot flags
  cosmetic: checkpatch cleanup of board/eNET/*.c
  cosmetic: checkpatch cleanup of arch/x86/lib/*.c
  cosmetic: checkpatch cleanup of arch/x86/cpu/sc520/*.c
  cosmetic: checkpatch cleanup of arch/x86/cpu/*.c
  x86: Call hang() on unrecoverable exception
  menu.c: use puts() instead of printf() where possible
  MAKEALL: drop obsolete mx31pdk_nand target
  dataflash: fix parameters order in write_dataflash()
  hawkboard: Replace HAWKBOARD_KICK{0, 1}_UNLOCK defines
  davinci_sonata: define CONFIG_MACH_TYPE for davinci_sonata board
  davinci_schmoogie: define CONFIG_MACH_TYPE for davinci_schmoogie board
  arm: a320evb: define mach-type in board config file
  OMAP3: Use sdelay from arch/arm/cpu/armv7/syslib.c instead of cloning that.
  Fix Stelian's email address
  DIU: 1080P and 720P support
  CFB: Fix font rendering on mx5 framebuffer

1 files changed, 10 insertions, 13 deletions

diff --git a/arch/x86/lib/realmode.c b/arch/x86/lib/realmode.c
index 6aa0f23a1a4..75511b2bdf9 100644
--- a/arch/x86/lib/realmode.c
+++ b/arch/x86/lib/realmode.c
@@ -26,15 +26,12 @@
 #include <asm/ptrace.h>
 #include <asm/realmode.h>
 
-#define REALMODE_MAILBOX ((char*)0xe00)
-
-extern ulong __realmode_start;
-extern ulong __realmode_size;
-extern char realmode_enter;
+#define REALMODE_MAILBOX ((char *)0xe00)
 
 int realmode_setup(void)
 {
-	ulong realmode_start = (ulong)&__realmode_start + gd->reloc_off;
+	/* The realmode section is not relocated and still in the ROM. */
+	ulong realmode_start = (ulong)&__realmode_start;
 	ulong realmode_size = (ulong)&__realmode_size;
 
 	/* copy the realmode switch code */
@@ -63,15 +60,14 @@ int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
 
 	in->eip = off;
 	in->xcs = seg;
-	if (3>(in->esp & 0xffff)) {
+	if ((in->esp & 0xffff) < 4)
 		printf("Warning: entering realmode with sp < 4 will fail\n");
-	}
 
 	memcpy(REALMODE_MAILBOX, in, sizeof(struct pt_regs));
 	asm("wbinvd\n");
 
 	__asm__ volatile (
-		 "lcall $0x20,%0\n"  : :  "i" (&realmode_enter) );
+		 "lcall $0x20,%0\n" : : "i" (&realmode_enter));
 
 	asm("wbinvd\n");
 	memcpy(out, REALMODE_MAILBOX, sizeof(struct pt_regs));
@@ -79,9 +75,10 @@ int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
 	return out->eax;
 }
 
-
-/* This code is supposed to access a realmode interrupt
- * it does currently not work for me */
+/*
+ * This code is supposed to access a realmode interrupt
+ * it does currently not work for me
+ */
 int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out)
 {
 	/* place two instructions at 0x700 */
@@ -92,5 +89,5 @@ int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out)
 
 	enter_realmode(0x00, 0x700, in, out);
 
-	return out->eflags&1;
+	return out->eflags & 0x00000001;
 }