x86: Code cleanup

Make the copyright notices in the x86 files consistent and update them with
proper attributions for recent updates

Also fix a few comment style/accuracy and whitespace/blank line issues

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>

16 files changed, 110 insertions, 113 deletions

diff --git a/arch/i386/lib/bios.S b/arch/i386/lib/bios.S
index 48f1b81..660a244 100644
--- a/arch/i386/lib/bios.S
+++ b/arch/i386/lib/bios.S
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -42,7 +42,6 @@
  * a general purpose replacement for a real BIOS !!
  */
 
-
 .section .bios, "ax"
 .code16
 .org 0
diff --git a/arch/i386/lib/bios.h b/arch/i386/lib/bios.h
index 4901f89..3c8d61a 100644
--- a/arch/i386/lib/bios.h
+++ b/arch/i386/lib/bios.h
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -57,7 +57,7 @@
 #define OFFS_FLAGS   44    /* 16bit */
 
 #define SEGMENT      0x40
-#define STACK	     0x800			/* stack at 0x40:0x800 -> 0x800 */
+#define STACK	     0x800	/* stack at 0x40:0x800 -> 0x800 */
 
 /* save general registers */
 /* save some segments     */
@@ -67,28 +67,26 @@
 	/* setup BIOS stackpointer */
 
 #define MAKE_BIOS_STACK \
-	pushal		; \
-	pushw	%ds	; \
-	pushw	%gs	; \
-	pushw	%es	; \
-	pushw	%ss	; \
-	popw	%gs	; \
-	movw	$SEGMENT,%ax ; \
-	movw	%ax,%ds	; \
-	movw	%ax,%es	; \
-	movw	%ax,%ss	; \
-	movw	%sp,%bp	; \
-	movw	$STACK,%sp
+	pushal; \
+	pushw	%ds; \
+	pushw	%gs; \
+	pushw	%es; \
+	pushw	%ss; \
+	popw	%gs; \
+	movw	$SEGMENT, %ax; \
+	movw	%ax, %ds; \
+	movw	%ax, %es; \
+	movw	%ax, %ss; \
+	movw	%sp, %bp; \
+	movw	$STACK, %sp
 
 #define RESTORE_CALLERS_STACK \
-	pushw	%gs     ;			/* restore callers stack segment */ \
-	popw	%ss     ; \
-	movw	%bp,%sp	;			/* restore stackpointer */ \
-		\
-	popw	%es	;			/* restore segment selectors */ \
-	popw	%gs     ; \
-	popw	%ds     ; \
-		\
-	popal					/* restore GP registers */
+	pushw	%gs;		/* restore callers stack segment */ \
+	popw	%ss; \
+	movw	%bp, %sp;	/* restore stackpointer */ \
+	popw	%es;		/* restore segment selectors */ \
+	popw	%gs; \
+	popw	%ds; \
+	popal			/* restore GP registers */
 
 #endif
diff --git a/arch/i386/lib/bios_setup.c b/arch/i386/lib/bios_setup.c
index 75407c1..6949b35 100644
--- a/arch/i386/lib/bios_setup.c
+++ b/arch/i386/lib/bios_setup.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -21,7 +21,6 @@
  * MA 02111-1307 USA
  */
 
-
 /*
  * Partly based on msbios.c from rolo 1.6:
  *----------------------------------------------------------------------
diff --git a/arch/i386/lib/board.c b/arch/i386/lib/board.c
index e0f9803..6d947c6 100644
--- a/arch/i386/lib/board.c
+++ b/arch/i386/lib/board.c
@@ -1,9 +1,12 @@
 /*
+ * (C) Copyright 2008-2011
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * (C) Copyright 2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
  *
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
@@ -103,13 +106,6 @@ static int display_banner (void)
 	return (0);
 }
 
-/*
- * WARNING: this code looks "cleaner" than the PowerPC version, but
- * has the disadvantage that you either get nothing, or everything.
- * On PowerPC, you might see "DRAM: " before the system hangs - which
- * gives a simple yet clear indication which part of the
- * initialization if failing.
- */
 static int display_dram_config (void)
 {
 	int i;
@@ -141,7 +137,6 @@ static void display_flash_config (ulong size)
  * can relocate the monitor code to RAM.
  */
 
-
 /*
  * All attempts to come up with a "common" initialization sequence
  * that works for all boards and architectures failed: some of the
@@ -251,13 +246,13 @@ static int do_elf_reloc_fixups(void)
 	return 0;
 }
 
-/*
- * Load U-Boot into RAM, initialize BSS, perform relocation adjustments
- */
+/* Load U-Boot into RAM, initialize BSS, perform relocation adjustments */
 void board_init_f(ulong boot_flags)
 {
 	init_fnc_t **init_fnc_ptr;
 
+	gd->flags = boot_flags;
+
 	for (init_fnc_ptr = init_sequence_f; *init_fnc_ptr; ++init_fnc_ptr) {
 		if ((*init_fnc_ptr)() != 0)
 			hang();
diff --git a/arch/i386/lib/bootm.c b/arch/i386/lib/bootm.c
index b36e58d..a21a21f 100644
--- a/arch/i386/lib/bootm.c
+++ b/arch/i386/lib/bootm.c
@@ -5,10 +5,13 @@
  *
  * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -17,8 +20,8 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
  */
 
 #include <common.h>
diff --git a/arch/i386/lib/interrupts.c b/arch/i386/lib/interrupts.c
index 5a28278..a2c598f 100644
--- a/arch/i386/lib/interrupts.c
+++ b/arch/i386/lib/interrupts.c
@@ -1,21 +1,21 @@
 /*
  * (C) Copyright 2009
- * Graeme Russ, graeme.russ@gmail.com
+ * Graeme Russ, <graeme.russ@gmail.com>
  *
  * (C) Copyright 2007
- * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
+ * Daniel Hellstrom, Gaisler Research, <daniel@gaisler.com>
  *
  * (C) Copyright 2006
- * Detlev Zundel, DENX Software Engineering, dzu@denx.de
+ * Detlev Zundel, DENX Software Engineering, <dzu@denx.de>
  *
  * (C) Copyright -2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
  *
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * (C) Copyright 2001
- * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ * Josh Huber, Mission Critical Linux, Inc, <huber@mclx.com>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -38,11 +38,11 @@
 
 /*
  * This file contains the high-level API for the interrupt sub-system
- * of the i386 port of U-Boot. Most of the functionality has been
+ * of the x86 port of U-Boot. Most of the functionality has been
  * shamelessly stolen from the leon2 / leon3 ports of U-Boot.
  * Daniel Hellstrom, Detlev Zundel, Wolfgang Denk and Josh Huber are
  * credited for the corresponding work on those ports. The original
- * interrupt handling routines for the i386 port were written by
+ * interrupt handling routines for the x86 port were written by
  * Daniel Engström
  */
 
diff --git a/arch/i386/lib/pcat_interrupts.c b/arch/i386/lib/pcat_interrupts.c
index 67e6e97..364c435 100644
--- a/arch/i386/lib/pcat_interrupts.c
+++ b/arch/i386/lib/pcat_interrupts.c
@@ -1,9 +1,9 @@
 /*
  * (C) Copyright 2009
- * Graeme Russ, graeme.russ@gmail.com
+ * Graeme Russ, <graeme.russ@gmail.com>
  *
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
diff --git a/arch/i386/lib/pcat_timer.c b/arch/i386/lib/pcat_timer.c
index 1373fd1..1911c6c 100644
--- a/arch/i386/lib/pcat_timer.c
+++ b/arch/i386/lib/pcat_timer.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
diff --git a/arch/i386/lib/pci.c b/arch/i386/lib/pci.c
index 9020e7c..e791e88 100644
--- a/arch/i386/lib/pci.c
+++ b/arch/i386/lib/pci.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -54,10 +54,9 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 	class_code &= 0xffffff00;
 	class_code >>= 8;
 
-#if 0
-	printf("PCI Header Vendor %04x device %04x class %06x\n",
+	debug("PCI Header Vendor %04x device %04x class %06x\n",
 	       vendor, device, class_code);
-#endif
+
 	/* Enable the rom addess decoder */
 	pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK);
 	pci_read_config_dword(dev, PCI_ROM_ADDRESS, &addr_reg);
@@ -70,13 +69,12 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
 
 	size = (~(addr_reg&PCI_ROM_ADDRESS_MASK))+1;
 
-#if 0
-	printf("ROM is %d bytes\n", size);
-#endif
+	debug("ROM is %d bytes\n", size);
+
 	rom_addr = pci_get_rom_window(hose, size);
-#if 0
-	printf("ROM mapped at %x \n", rom_addr);
-#endif
+
+	debug("ROM mapped at %x\n", rom_addr);
+
 	pci_write_config_dword(dev, PCI_ROM_ADDRESS,
 			       pci_phys_to_mem(dev, rom_addr)
 			       |PCI_ROM_ADDRESS_ENABLE);
diff --git a/arch/i386/lib/pci_type1.c b/arch/i386/lib/pci_type1.c
index 225ae4a..8ce5b33 100644
--- a/arch/i386/lib/pci_type1.c
+++ b/arch/i386/lib/pci_type1.c
@@ -1,15 +1,30 @@
 /*
- * Support for type PCI configuration cycles.
- * based on pci_indirect.c
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
- * Copyright (C) 2002 Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+ * See file CREDITS for list of people who contributed to this
+ * project.
  *
  * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
  */
 
+/*
+ * Support for type PCI configuration cycles.
+ * based on pci_indirect.c
+ */
 #include <common.h>
 #include <asm/io.h>
 #include <pci.h>
diff --git a/arch/i386/lib/realmode.c b/arch/i386/lib/realmode.c
index 2dda95b..5be827c 100644
--- a/arch/i386/lib/realmode.c
+++ b/arch/i386/lib/realmode.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -26,10 +26,8 @@
 #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;
@@ -57,13 +55,11 @@ int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
 {
 
 	/* setup out thin bios emulation */
-	if (bios_setup()) {
+	if (bios_setup())
 		return -1;
-	}
 
-	if (realmode_setup()) {
+	if (realmode_setup())
 		return -1;
-	}
 
 	in->eip = off;
 	in->xcs = seg;
diff --git a/arch/i386/lib/realmode_switch.S b/arch/i386/lib/realmode_switch.S
index d6c74ec..fce4ecc 100644
--- a/arch/i386/lib/realmode_switch.S
+++ b/arch/i386/lib/realmode_switch.S
@@ -21,7 +21,6 @@
  * MA 02111-1307 USA
  */
 
-
 /* 32bit -> 16bit -> 32bit mode switch code */
 
 /*
diff --git a/arch/i386/lib/timer.c b/arch/i386/lib/timer.c
index 5cb1f54..8fc68cd 100644
--- a/arch/i386/lib/timer.c
+++ b/arch/i386/lib/timer.c
@@ -1,6 +1,9 @@
 /*
+ * (C) Copyright 2008,2009
+ * Graeme Russ, <graeme.russ@gmail.com>
+ *
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
diff --git a/arch/i386/lib/video.c b/arch/i386/lib/video.c
index c58ed10..b29075c 100644
--- a/arch/i386/lib/video.c
+++ b/arch/i386/lib/video.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -30,7 +30,6 @@
 #include <asm/io.h>
 #include <asm/pci.h>
 
-
 /* basic textmode I/O from linux kernel */
 static char *vidmem = (char *)0xb8000;
 static int vidport;
@@ -42,9 +41,9 @@ static void beep(int dur)
 	int i;
 
 	outb_p(3, 0x61);
-	for (i=0;i<10*dur;i++) {
+	for (i = 0; i < 10*dur; i++)
 		udelay(1000);
-	}
+
 	outb_p(0, 0x61);
 }
 
@@ -52,8 +51,8 @@ static void scroll(void)
 {
 	int i;
 
-	memcpy ( vidmem, vidmem + cols * 2, ( lines - 1 ) * cols * 2 );
-	for ( i = ( lines - 1 ) * cols * 2; i < lines * cols * 2; i += 2 )
+	memcpy(vidmem, vidmem + cols * 2, (lines - 1) * cols * 2);
+	for (i = (lines - 1) * cols * 2; i < lines * cols * 2; i += 2)
 		vidmem[i] = ' ';
 }
 
@@ -61,14 +60,14 @@ static void __video_putc(const char c, int *x, int *y)
 {
 	if (c == '\n') {
 		(*x) = 0;
-		if ( ++(*y) >= lines ) {
+		if (++(*y) >= lines) {
 			scroll();
 			(*y)--;
 		}
 	} else if (c == '\b') {
 		if ((*x) != 0) {
 			--(*x);
-			vidmem [ ( (*x) + cols * (*y) ) * 2 ] = ' ';
+			vidmem[((*x) + cols * (*y)) * 2] = ' ';
 		}
 	} else if (c == '\r') {
 		(*x) = 0;
@@ -106,16 +105,15 @@ static void __video_putc(const char c, int *x, int *y)
 		}
 	} else if (c == '\f') {
 		int i;
-		for (i=0;i<lines*cols*2;i+=2) {
+		for (i = 0; i < lines * cols * 2; i += 2)
 			vidmem[i] = 0;
-		}
 		(*x) = 0;
 		(*y) = 0;
 	} else {
-		vidmem [ ( (*x) + cols * (*y) ) * 2 ] = c;
-		if ( ++(*x) >= cols ) {
+		vidmem[((*x) + cols * (*y)) * 2] = c;
+		if (++(*x) >= cols) {
 			(*x) = 0;
-			if ( ++(*y) >= lines ) {
+			if (++(*y) >= lines) {
 				scroll();
 				(*y)--;
 			}
@@ -150,9 +148,8 @@ static void video_puts(const char *s)
 	x = orig_x;
 	y = orig_y;
 
-	while ( ( c = *s++ ) != '\0' ) {
+	while ((c = *s++) != '\0')
 		__video_putc(c, &x, &y);
-	}
 
 	orig_x = x;
 	orig_y = y;
@@ -189,10 +186,8 @@ int video_init(void)
 #if 0
 	printf("pos %x %d %d\n", pos, orig_x, orig_y);
 #endif
-	if (orig_y > lines) {
+	if (orig_y > lines)
 		orig_x = orig_y =0;
-	}
-
 
 	memset(&vga_dev, 0, sizeof(vga_dev));
 	strcpy(vga_dev.name, "vga");
@@ -203,13 +198,11 @@ int video_init(void)
 	vga_dev.tstc  = NULL;              /* 'tstc' function */
 	vga_dev.getc  = NULL;              /* 'getc' function */
 
-	if (stdio_register(&vga_dev) == 0) {
-	    return 1;
-	}
+	if (stdio_register(&vga_dev) == 0)
+		return 1;
 
-	if (i8042_kbd_init()) {
+	if (i8042_kbd_init())
 		return 1;
-	}
 
 	memset(&kbd_dev, 0, sizeof(kbd_dev));
 	strcpy(kbd_dev.name, "kbd");
@@ -220,18 +213,17 @@ int video_init(void)
 	kbd_dev.tstc  = i8042_tstc;  /* 'tstc' function */
 	kbd_dev.getc  = i8042_getc;  /* 'getc' function */
 
-	if (stdio_register(&kbd_dev) == 0) {
-	    return 1;
-	}
+	if (stdio_register(&kbd_dev) == 0)
+		return 1;
+
 	return 0;
 }
 
 
 int drv_video_init(void)
 {
-	if (video_bios_init()) {
+	if (video_bios_init())
 		return 1;
-	}
 
 	return video_init();
 }
diff --git a/arch/i386/lib/video_bios.c b/arch/i386/lib/video_bios.c
index c8060e6..6bc4335 100644
--- a/arch/i386/lib/video_bios.c
+++ b/arch/i386/lib/video_bios.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
diff --git a/arch/i386/lib/zimage.c b/arch/i386/lib/zimage.c
index 0c42072..cc4b40e 100644
--- a/arch/i386/lib/zimage.c
+++ b/arch/i386/lib/zimage.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -22,7 +22,7 @@
  */
 
 /*
- * Linux i386 zImage and bzImage loading
+ * Linux x86 zImage and bzImage loading
  *
  * based on the procdure described in
  * linux/Documentation/i386/boot.txt