diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 217aa191..727da11 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -17,7 +17,7 @@
 struct machine_desc {
 	unsigned int		nr;		/* architecture number	*/
 	const char		*name;		/* architecture name	*/
-	unsigned long		boot_params;	/* tagged list		*/
+	unsigned long		atag_offset;	/* tagged list (relative) */
 	const char		**dt_compat;	/* array of device tree
 						 * 'compatible' strings	*/
 
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 70bca64..78d197d 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -819,25 +819,8 @@
 
 	if (__atags_pointer)
 		tags = phys_to_virt(__atags_pointer);
-	else if (mdesc->boot_params) {
-#ifdef CONFIG_MMU
-		/*
-		 * We still are executing with a minimal MMU mapping created
-		 * with the presumption that the machine default for this
-		 * is located in the first MB of RAM.  Anything else will
-		 * fault and silently hang the kernel at this point.
-		 */
-		if (mdesc->boot_params < PHYS_OFFSET ||
-		    mdesc->boot_params >= PHYS_OFFSET + SZ_1M) {
-			printk(KERN_WARNING
-			       "Default boot params at physical 0x%08lx out of reach\n",
-			       mdesc->boot_params);
-		} else
-#endif
-		{
-			tags = phys_to_virt(mdesc->boot_params);
-		}
-	}
+	else if (mdesc->atag_offset)
+		tags = (void *)(PAGE_OFFSET + mdesc->atag_offset);
 
 #if defined(CONFIG_DEPRECATED_PARAM_STRUCT)
 	/*
diff --git a/arch/arm/mach-clps711x/autcpu12.c b/arch/arm/mach-clps711x/autcpu12.c
index 4a74b2c9..0276091 100644
--- a/arch/arm/mach-clps711x/autcpu12.c
+++ b/arch/arm/mach-clps711x/autcpu12.c
@@ -64,7 +64,7 @@
 
 MACHINE_START(AUTCPU12, "autronix autcpu12")
 	/* Maintainer: Thomas Gleixner */
-	.boot_params	= 0xc0020000,
+	.atag_offset	= 0x20000,
 	.map_io		= autcpu12_map_io,
 	.init_irq	= clps711x_init_irq,
 	.timer		= &clps711x_timer,
diff --git a/arch/arm/mach-clps711x/cdb89712.c b/arch/arm/mach-clps711x/cdb89712.c
index 5a1689d..25b3bfd 100644
--- a/arch/arm/mach-clps711x/cdb89712.c
+++ b/arch/arm/mach-clps711x/cdb89712.c
@@ -55,7 +55,7 @@
 
 MACHINE_START(CDB89712, "Cirrus-CDB89712")
 	/* Maintainer: Ray Lehtiniemi */
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= cdb89712_map_io,
 	.init_irq	= clps711x_init_irq,
 	.timer		= &clps711x_timer,
diff --git a/arch/arm/mach-clps711x/ceiva.c b/arch/arm/mach-clps711x/ceiva.c
index 16481cf..1df9ec6 100644
--- a/arch/arm/mach-clps711x/ceiva.c
+++ b/arch/arm/mach-clps711x/ceiva.c
@@ -56,7 +56,7 @@
 
 MACHINE_START(CEIVA, "CEIVA/Polaroid Photo MAX Digital Picture Frame")
 	/* Maintainer: Rob Scott */
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= ceiva_map_io,
 	.init_irq	= clps711x_init_irq,
 	.timer		= &clps711x_timer,
diff --git a/arch/arm/mach-clps711x/clep7312.c b/arch/arm/mach-clps711x/clep7312.c
index 67b5abb4..06c8abd 100644
--- a/arch/arm/mach-clps711x/clep7312.c
+++ b/arch/arm/mach-clps711x/clep7312.c
@@ -37,7 +37,7 @@
 
 MACHINE_START(CLEP7212, "Cirrus Logic 7212/7312")
 	/* Maintainer: Nobody */
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x0100,
 	.fixup		= fixup_clep7312,
 	.map_io		= clps711x_map_io,
 	.init_irq	= clps711x_init_irq,
diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c
index 98ca5b2..abf522d 100644
--- a/arch/arm/mach-clps711x/edb7211-arch.c
+++ b/arch/arm/mach-clps711x/edb7211-arch.c
@@ -57,7 +57,7 @@
 
 MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
 	/* Maintainer: Jon McClintock */
-	.boot_params	= 0xc0020100,	/* 0xc0000000 - 0xc001ffff can be video RAM */
+	.atag_offset	= 0x20100,	/* 0xc0000000 - 0xc001ffff can be video RAM */
 	.fixup		= fixup_edb7211,
 	.map_io		= edb7211_map_io,
 	.reserve	= edb7211_reserve,
diff --git a/arch/arm/mach-clps711x/fortunet.c b/arch/arm/mach-clps711x/fortunet.c
index b1cb479..b6f7d86 100644
--- a/arch/arm/mach-clps711x/fortunet.c
+++ b/arch/arm/mach-clps711x/fortunet.c
@@ -75,7 +75,6 @@
 
 MACHINE_START(FORTUNET, "ARM-FortuNet")
 	/* Maintainer: FortuNet Inc. */
-	.boot_params	= 0x00000000,
 	.fixup		= fortunet_fixup,
 	.map_io		= clps711x_map_io,
 	.init_irq	= clps711x_init_irq,
diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c
index cefbce0..e7f75aeb 100644
--- a/arch/arm/mach-clps711x/p720t.c
+++ b/arch/arm/mach-clps711x/p720t.c
@@ -89,7 +89,7 @@
 
 MACHINE_START(P720T, "ARM-Prospector720T")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.fixup		= fixup_p720t,
 	.map_io		= p720t_map_io,
 	.init_irq	= clps711x_init_irq,
diff --git a/arch/arm/mach-cns3xxx/cns3420vb.c b/arch/arm/mach-cns3xxx/cns3420vb.c
index 3e7d149..55f7b4b 100644
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -197,7 +197,7 @@
 }
 
 MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= cns3420_map_io,
 	.init_irq	= cns3xxx_init_irq,
 	.timer		= &cns3xxx_timer,
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index 84fd786..26d94c0 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -676,7 +676,7 @@
 }
 
 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
-	.boot_params	= (DA8XX_DDR_BASE + 0x100),
+	.atag_offset	= 0x100,
 	.map_io		= da830_evm_map_io,
 	.init_irq	= cp_intc_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index bd53945..85a2c7e 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -1263,7 +1263,7 @@
 }
 
 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
-	.boot_params	= (DA8XX_DDR_BASE + 0x100),
+	.atag_offset	= 0x100,
 	.map_io		= da850_evm_map_io,
 	.init_irq	= cp_intc_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 241a6bd..6556628 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -351,7 +351,7 @@
 }
 
 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
-	.boot_params  = (0x80000100),
+	.atag_offset  = 0x100,
 	.map_io	      = dm355_evm_map_io,
 	.init_irq     = davinci_irq_init,
 	.timer	      = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
index bee284c..b307470 100644
--- a/arch/arm/mach-davinci/board-dm355-leopard.c
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -270,7 +270,7 @@
 }
 
 MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
-	.boot_params  = (0x80000100),
+	.atag_offset  = 0x100,
 	.map_io	      = dm355_leopard_map_io,
 	.init_irq     = davinci_irq_init,
 	.timer	      = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 9818f21..04c43ab 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -612,7 +612,7 @@
 }
 
 MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM")
-	.boot_params	= (0x80000100),
+	.atag_offset	= 0x100,
 	.map_io		= dm365_evm_map_io,
 	.init_irq	= davinci_irq_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 95607a1..a005e769 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -712,7 +712,7 @@
 
 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 	/* Maintainer: MontaVista Software <source@mvista.com> */
-	.boot_params  = (DAVINCI_DDR_BASE + 0x100),
+	.atag_offset  = 0x100,
 	.map_io	      = davinci_evm_map_io,
 	.init_irq     = davinci_irq_init,
 	.timer	      = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
index 993a3146..337c45e 100644
--- a/arch/arm/mach-davinci/board-dm646x-evm.c
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -792,7 +792,7 @@
 }
 
 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
-	.boot_params  = (0x80000100),
+	.atag_offset  = 0x100,
 	.map_io       = davinci_map_io,
 	.init_irq     = davinci_irq_init,
 	.timer        = &davinci_timer,
@@ -801,7 +801,7 @@
 MACHINE_END
 
 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
-	.boot_params  = (0x80000100),
+	.atag_offset  = 0x100,
 	.map_io       = davinci_map_io,
 	.init_irq     = davinci_irq_init,
 	.timer        = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
index c278226..6efc84cc 100644
--- a/arch/arm/mach-davinci/board-mityomapl138.c
+++ b/arch/arm/mach-davinci/board-mityomapl138.c
@@ -566,7 +566,7 @@
 }
 
 MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
-	.boot_params	= (DA8XX_DDR_BASE + 0x100),
+	.atag_offset	= 0x100,
 	.map_io		= mityomapl138_map_io,
 	.init_irq	= cp_intc_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c
index d60a800..38d6f64 100644
--- a/arch/arm/mach-davinci/board-neuros-osd2.c
+++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -272,7 +272,7 @@
 
 MACHINE_START(NEUROS_OSD2, "Neuros OSD2")
 	/* Maintainer: Neuros Technologies <neuros@groups.google.com> */
-	.boot_params	= (DAVINCI_DDR_BASE + 0x100),
+	.atag_offset	= 0x100,
 	.map_io		 = davinci_ntosd2_map_io,
 	.init_irq	= davinci_irq_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c
index 237332a..c6701e4 100644
--- a/arch/arm/mach-davinci/board-omapl138-hawk.c
+++ b/arch/arm/mach-davinci/board-omapl138-hawk.c
@@ -338,7 +338,7 @@
 }
 
 MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
-	.boot_params	= (DA8XX_DDR_BASE + 0x100),
+	.atag_offset	= 0x100,
 	.map_io		= omapl138_hawk_map_io,
 	.init_irq	= cp_intc_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
index 5f4385c..5dd4da9 100644
--- a/arch/arm/mach-davinci/board-sffsdr.c
+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -151,7 +151,7 @@
 
 MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
 	/* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
-	.boot_params  = (DAVINCI_DDR_BASE + 0x100),
+	.atag_offset  = 0x100,
 	.map_io	      = davinci_sffsdr_map_io,
 	.init_irq     = davinci_irq_init,
 	.timer	      = &davinci_timer,
diff --git a/arch/arm/mach-davinci/board-tnetv107x-evm.c b/arch/arm/mach-davinci/board-tnetv107x-evm.c
index 7828920..90ee7b5 100644
--- a/arch/arm/mach-davinci/board-tnetv107x-evm.c
+++ b/arch/arm/mach-davinci/board-tnetv107x-evm.c
@@ -277,7 +277,7 @@
 #endif
 
 MACHINE_START(TNETV107X, "TNETV107X EVM")
-	.boot_params	= (TNETV107X_DDR_BASE + 0x100),
+	.atag_offset	= 0x100,
 	.map_io		= tnetv107x_init,
 	.init_irq	= cp_intc_init,
 	.timer		= &davinci_timer,
diff --git a/arch/arm/mach-dove/cm-a510.c b/arch/arm/mach-dove/cm-a510.c
index 03e11f9..c8a406f 100644
--- a/arch/arm/mach-dove/cm-a510.c
+++ b/arch/arm/mach-dove/cm-a510.c
@@ -87,7 +87,7 @@
 }
 
 MACHINE_START(CM_A510, "Compulab CM-A510 Board")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= cm_a510_init,
 	.map_io		= dove_map_io,
 	.init_early	= dove_init_early,
diff --git a/arch/arm/mach-dove/dove-db-setup.c b/arch/arm/mach-dove/dove-db-setup.c
index 2ac34ec..11ea34e 100644
--- a/arch/arm/mach-dove/dove-db-setup.c
+++ b/arch/arm/mach-dove/dove-db-setup.c
@@ -94,7 +94,7 @@
 }
 
 MACHINE_START(DOVE_DB, "Marvell DB-MV88AP510-BP Development Board")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= dove_db_init,
 	.map_io		= dove_map_io,
 	.init_early	= dove_init_early,
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 087bc77..d0ce8ab 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -280,7 +280,7 @@
 
 MACHINE_START(EBSA110, "EBSA110")
 	/* Maintainer: Russell King */
-	.boot_params	= 0x00000400,
+	.atag_offset	= 0x400,
 	.reserve_lp0	= 1,
 	.reserve_lp2	= 1,
 	.soft_reboot	= 1,
diff --git a/arch/arm/mach-ep93xx/adssphere.c b/arch/arm/mach-ep93xx/adssphere.c
index 61b98ce..0713448 100644
--- a/arch/arm/mach-ep93xx/adssphere.c
+++ b/arch/arm/mach-ep93xx/adssphere.c
@@ -33,7 +33,7 @@
 
 MACHINE_START(ADSSPHERE, "ADS Sphere board")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c
index 9969bb1..257175e 100644
--- a/arch/arm/mach-ep93xx/edb93xx.c
+++ b/arch/arm/mach-ep93xx/edb93xx.c
@@ -240,7 +240,7 @@
 #ifdef CONFIG_MACH_EDB9301
 MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
 	/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -251,7 +251,7 @@
 #ifdef CONFIG_MACH_EDB9302
 MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
 	/* Maintainer: George Kashperko <george@chas.com.ua> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -262,7 +262,7 @@
 #ifdef CONFIG_MACH_EDB9302A
 MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= EP93XX_SDCE0_PHYS_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -273,7 +273,7 @@
 #ifdef CONFIG_MACH_EDB9307
 MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
 	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -284,7 +284,7 @@
 #ifdef CONFIG_MACH_EDB9307A
 MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
 	/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
-	.boot_params	= EP93XX_SDCE0_PHYS_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -295,7 +295,7 @@
 #ifdef CONFIG_MACH_EDB9312
 MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
 	/* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -306,7 +306,7 @@
 #ifdef CONFIG_MACH_EDB9315
 MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -317,7 +317,7 @@
 #ifdef CONFIG_MACH_EDB9315A
 MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= EP93XX_SDCE0_PHYS_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
diff --git a/arch/arm/mach-ep93xx/gesbc9312.c b/arch/arm/mach-ep93xx/gesbc9312.c
index 9bd3152..45ee205 100644
--- a/arch/arm/mach-ep93xx/gesbc9312.c
+++ b/arch/arm/mach-ep93xx/gesbc9312.c
@@ -33,7 +33,7 @@
 
 MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
index 7adea62..e72f736 100644
--- a/arch/arm/mach-ep93xx/micro9.c
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -77,7 +77,7 @@
 #ifdef CONFIG_MACH_MICRO9H
 MACHINE_START(MICRO9, "Contec Micro9-High")
 	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -88,7 +88,7 @@
 #ifdef CONFIG_MACH_MICRO9M
 MACHINE_START(MICRO9M, "Contec Micro9-Mid")
 	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -99,7 +99,7 @@
 #ifdef CONFIG_MACH_MICRO9L
 MACHINE_START(MICRO9L, "Contec Micro9-Lite")
 	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
@@ -110,7 +110,7 @@
 #ifdef CONFIG_MACH_MICRO9S
 MACHINE_START(MICRO9S, "Contec Micro9-Slim")
 	/* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
diff --git a/arch/arm/mach-ep93xx/simone.c b/arch/arm/mach-ep93xx/simone.c
index 8392e95..238bc60 100644
--- a/arch/arm/mach-ep93xx/simone.c
+++ b/arch/arm/mach-ep93xx/simone.c
@@ -65,8 +65,8 @@
 }
 
 MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
-/* Maintainer: Ryan Mallon */
-	.boot_params	= EP93XX_SDCE0_PHYS_BASE + 0x100,
+	/* Maintainer: Ryan Mallon */
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
diff --git a/arch/arm/mach-ep93xx/snappercl15.c b/arch/arm/mach-ep93xx/snappercl15.c
index 2e9c614..3bdf3a2 100644
--- a/arch/arm/mach-ep93xx/snappercl15.c
+++ b/arch/arm/mach-ep93xx/snappercl15.c
@@ -163,7 +163,7 @@
 
 MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15")
 	/* Maintainer: Ryan Mallon */
-	.boot_params	= EP93XX_SDCE0_PHYS_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ep93xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer 		= &ep93xx_timer,
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index c2d2cf4..1ade3c3 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -257,7 +257,7 @@
 
 MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ts72xx_map_io,
 	.init_irq	= ep93xx_init_irq,
 	.timer		= &ep93xx_timer,
diff --git a/arch/arm/mach-exynos4/mach-armlex4210.c b/arch/arm/mach-exynos4/mach-armlex4210.c
index b482c62..f0ca6c1 100644
--- a/arch/arm/mach-exynos4/mach-armlex4210.c
+++ b/arch/arm/mach-exynos4/mach-armlex4210.c
@@ -207,7 +207,7 @@
 
 MACHINE_START(ARMLEX4210, "ARMLEX4210")
 	/* Maintainer: Alim Akhtar <alim.akhtar@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= exynos4_init_irq,
 	.map_io		= armlex4210_map_io,
 	.init_machine	= armlex4210_machine_init,
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
index 43be71b..6e05368 100644
--- a/arch/arm/mach-exynos4/mach-nuri.c
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -1152,7 +1152,7 @@
 
 MACHINE_START(NURI, "NURI")
 	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= exynos4_init_irq,
 	.map_io		= nuri_map_io,
 	.init_machine	= nuri_machine_init,
diff --git a/arch/arm/mach-exynos4/mach-smdkc210.c b/arch/arm/mach-exynos4/mach-smdkc210.c
index a7c65e0..b24ddd7 100644
--- a/arch/arm/mach-exynos4/mach-smdkc210.c
+++ b/arch/arm/mach-exynos4/mach-smdkc210.c
@@ -301,7 +301,7 @@
 
 MACHINE_START(SMDKC210, "SMDKC210")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= exynos4_init_irq,
 	.map_io		= smdkc210_map_io,
 	.init_machine	= smdkc210_machine_init,
diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c
index ea41495..d90fcdd 100644
--- a/arch/arm/mach-exynos4/mach-smdkv310.c
+++ b/arch/arm/mach-exynos4/mach-smdkv310.c
@@ -255,7 +255,7 @@
 MACHINE_START(SMDKV310, "SMDKV310")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 	/* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= exynos4_init_irq,
 	.map_io		= smdkv310_map_io,
 	.init_machine	= smdkv310_machine_init,
diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c
index 0e280d1..d7ec84d 100644
--- a/arch/arm/mach-exynos4/mach-universal_c210.c
+++ b/arch/arm/mach-exynos4/mach-universal_c210.c
@@ -762,7 +762,7 @@
 
 MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
 	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= exynos4_init_irq,
 	.map_io		= universal_map_io,
 	.init_machine	= universal_machine_init,
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 5b1a8db..a3da5d1 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -86,7 +86,7 @@
 
 MACHINE_START(CATS, "Chalice-CATS")
 	/* Maintainer: Philip Blundell */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.soft_reboot	= 1,
 	.fixup		= fixup_cats,
 	.map_io		= footbridge_map_io,
diff --git a/arch/arm/mach-footbridge/ebsa285.c b/arch/arm/mach-footbridge/ebsa285.c
index 2ef69ff..012210c 100644
--- a/arch/arm/mach-footbridge/ebsa285.c
+++ b/arch/arm/mach-footbridge/ebsa285.c
@@ -15,7 +15,7 @@
 
 MACHINE_START(EBSA285, "EBSA285")
 	/* Maintainer: Russell King */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.video_start	= 0x000a0000,
 	.video_end	= 0x000bffff,
 	.map_io		= footbridge_map_io,
diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c
index 06e514f..d8c1c92 100644
--- a/arch/arm/mach-footbridge/netwinder-hw.c
+++ b/arch/arm/mach-footbridge/netwinder-hw.c
@@ -648,7 +648,7 @@
 
 MACHINE_START(NETWINDER, "Rebel-NetWinder")
 	/* Maintainer: Russell King/Rebel.com */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.video_start	= 0x000a0000,
 	.video_end	= 0x000bffff,
 	.reserve_lp0	= 1,
diff --git a/arch/arm/mach-footbridge/personal.c b/arch/arm/mach-footbridge/personal.c
index 3285e91..f41dba3 100644
--- a/arch/arm/mach-footbridge/personal.c
+++ b/arch/arm/mach-footbridge/personal.c
@@ -15,7 +15,7 @@
 
 MACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer")
 	/* Maintainer: Jamey Hicks / George France */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= footbridge_map_io,
 	.init_irq	= footbridge_init_irq,
 	.timer		= &footbridge_timer,
diff --git a/arch/arm/mach-gemini/board-nas4220b.c b/arch/arm/mach-gemini/board-nas4220b.c
index 0cf7a07..5927d3c 100644
--- a/arch/arm/mach-gemini/board-nas4220b.c
+++ b/arch/arm/mach-gemini/board-nas4220b.c
@@ -102,7 +102,7 @@
 }
 
 MACHINE_START(NAS4220B, "Raidsonic NAS IB-4220-B")
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= gemini_map_io,
 	.init_irq	= gemini_init_irq,
 	.timer		= &ib4220b_timer,
diff --git a/arch/arm/mach-gemini/board-rut1xx.c b/arch/arm/mach-gemini/board-rut1xx.c
index 4fa09af..cd7437a 100644
--- a/arch/arm/mach-gemini/board-rut1xx.c
+++ b/arch/arm/mach-gemini/board-rut1xx.c
@@ -86,7 +86,7 @@
 }
 
 MACHINE_START(RUT100, "Teltonika RUT100")
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= gemini_map_io,
 	.init_irq	= gemini_init_irq,
 	.timer		= &rut1xx_timer,
diff --git a/arch/arm/mach-gemini/board-wbd111.c b/arch/arm/mach-gemini/board-wbd111.c
index 88cc422..a367880 100644
--- a/arch/arm/mach-gemini/board-wbd111.c
+++ b/arch/arm/mach-gemini/board-wbd111.c
@@ -129,7 +129,7 @@
 }
 
 MACHINE_START(WBD111, "Wiliboard WBD-111")
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= gemini_map_io,
 	.init_irq	= gemini_init_irq,
 	.timer		= &wbd111_timer,
diff --git a/arch/arm/mach-gemini/board-wbd222.c b/arch/arm/mach-gemini/board-wbd222.c
index 3a22034..f382811 100644
--- a/arch/arm/mach-gemini/board-wbd222.c
+++ b/arch/arm/mach-gemini/board-wbd222.c
@@ -129,7 +129,7 @@
 }
 
 MACHINE_START(WBD222, "Wiliboard WBD-222")
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= gemini_map_io,
 	.init_irq	= gemini_init_irq,
 	.timer		= &wbd222_timer,
diff --git a/arch/arm/mach-h720x/h7201-eval.c b/arch/arm/mach-h720x/h7201-eval.c
index 65f1bea..9886f19 100644
--- a/arch/arm/mach-h720x/h7201-eval.c
+++ b/arch/arm/mach-h720x/h7201-eval.c
@@ -29,7 +29,7 @@
 
 MACHINE_START(H7201, "Hynix GMS30C7201")
 	/* Maintainer: Robert Schwebel, Pengutronix */
-	.boot_params	= 0xc0001000,
+	.atag_offset	= 0x1000,
 	.map_io		= h720x_map_io,
 	.init_irq	= h720x_init_irq,
 	.timer		= &h7201_timer,
diff --git a/arch/arm/mach-h720x/h7202-eval.c b/arch/arm/mach-h720x/h7202-eval.c
index 884584a..284a134 100644
--- a/arch/arm/mach-h720x/h7202-eval.c
+++ b/arch/arm/mach-h720x/h7202-eval.c
@@ -71,7 +71,7 @@
 
 MACHINE_START(H7202, "Hynix HMS30C7202")
 	/* Maintainer: Robert Schwebel, Pengutronix */
-	.boot_params	= 0x40000100,
+	.atag_offset	= 0x100,
 	.map_io		= h720x_map_io,
 	.init_irq	= h7202_init_irq,
 	.timer		= &h7202_timer,
diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c
index ede2710..2152590 100644
--- a/arch/arm/mach-imx/mach-armadillo5x0.c
+++ b/arch/arm/mach-imx/mach-armadillo5x0.c
@@ -558,7 +558,7 @@
 
 MACHINE_START(ARMADILLO5X0, "Armadillo-500")
 	/* Maintainer: Alberto Panizzo  */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx31_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31_init_irq,
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c
index 87887ac..881add0 100644
--- a/arch/arm/mach-imx/mach-cpuimx27.c
+++ b/arch/arm/mach-imx/mach-cpuimx27.c
@@ -311,7 +311,7 @@
 };
 
 MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c
index f39a478b..10b8913 100644
--- a/arch/arm/mach-imx/mach-cpuimx35.c
+++ b/arch/arm/mach-imx/mach-cpuimx35.c
@@ -194,7 +194,7 @@
 
 MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35")
 	/* Maintainer: Eukrea Electromatique */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx35_map_io,
 	.init_early = imx35_init_early,
 	.init_irq = mx35_init_irq,
diff --git a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c
index da36da5..d8699b5 100644
--- a/arch/arm/mach-imx/mach-eukrea_cpuimx25.c
+++ b/arch/arm/mach-imx/mach-eukrea_cpuimx25.c
@@ -163,7 +163,7 @@
 
 MACHINE_START(EUKREA_CPUIMX25, "Eukrea CPUIMX25")
 	/* Maintainer: Eukrea Electromatique */
-	.boot_params = MX25_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx25_map_io,
 	.init_early = imx25_init_early,
 	.init_irq = mx25_init_irq,
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index 6778f81..22306ce 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -275,7 +275,7 @@
 };
 
 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-imx27ipcam.c b/arch/arm/mach-imx/mach-imx27ipcam.c
index 272f793..8da48b3 100644
--- a/arch/arm/mach-imx/mach-imx27ipcam.c
+++ b/arch/arm/mach-imx/mach-imx27ipcam.c
@@ -71,7 +71,7 @@
 
 MACHINE_START(IMX27IPCAM, "Freescale IMX27IPCAM")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-imx27lite.c b/arch/arm/mach-imx/mach-imx27lite.c
index d81a769..21a14a2 100644
--- a/arch/arm/mach-imx/mach-imx27lite.c
+++ b/arch/arm/mach-imx/mach-imx27lite.c
@@ -77,7 +77,7 @@
 };
 
 MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE")
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c
index e472a1d..7c20e9e 100644
--- a/arch/arm/mach-imx/mach-kzm_arm11_01.c
+++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c
@@ -271,7 +271,7 @@
 };
 
 MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = kzm_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx1ads.c b/arch/arm/mach-imx/mach-mx1ads.c
index 5cd8bee..530ea08 100644
--- a/arch/arm/mach-imx/mach-mx1ads.c
+++ b/arch/arm/mach-imx/mach-mx1ads.c
@@ -145,7 +145,7 @@
 
 MACHINE_START(MX1ADS, "Freescale MX1ADS")
 	/* Maintainer: Sascha Hauer, Pengutronix */
-	.boot_params = MX1_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx1_map_io,
 	.init_early = imx1_init_early,
 	.init_irq = mx1_init_irq,
@@ -154,7 +154,7 @@
 MACHINE_END
 
 MACHINE_START(MXLADS, "Freescale MXLADS")
-	.boot_params = MX1_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx1_map_io,
 	.init_early = imx1_init_early,
 	.init_irq = mx1_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c
index d389ecf..e56828d 100644
--- a/arch/arm/mach-imx/mach-mx21ads.c
+++ b/arch/arm/mach-imx/mach-mx21ads.c
@@ -305,7 +305,7 @@
 
 MACHINE_START(MX21ADS, "Freescale i.MX21ADS")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX21_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx21ads_map_io,
 	.init_early = imx21_init_early,
 	.init_irq = mx21_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c
index 7f66a91..dd25ee8 100644
--- a/arch/arm/mach-imx/mach-mx25_3ds.c
+++ b/arch/arm/mach-imx/mach-mx25_3ds.c
@@ -253,7 +253,7 @@
 
 MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX25_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx25_map_io,
 	.init_early = imx25_init_early,
 	.init_irq = mx25_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index 6fa6934..2eafbac 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -421,7 +421,7 @@
 
 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c
index fc26ed7..efe6109 100644
--- a/arch/arm/mach-imx/mach-mx27ads.c
+++ b/arch/arm/mach-imx/mach-mx27ads.c
@@ -345,7 +345,7 @@
 
 MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27ads_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx31_3ds.c b/arch/arm/mach-imx/mach-mx31_3ds.c
index c20be75..589066f 100644
--- a/arch/arm/mach-imx/mach-mx31_3ds.c
+++ b/arch/arm/mach-imx/mach-mx31_3ds.c
@@ -764,7 +764,7 @@
 
 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx31_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index 29ca890..910c456 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -535,7 +535,7 @@
 
 MACHINE_START(MX31ADS, "Freescale MX31ADS")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx31ads_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31ads_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c
index 126913a..e92eaf9 100644
--- a/arch/arm/mach-imx/mach-mx31lilly.c
+++ b/arch/arm/mach-imx/mach-mx31lilly.c
@@ -295,7 +295,7 @@
 };
 
 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx31_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx31lite.c b/arch/arm/mach-imx/mach-mx31lite.c
index 4b47fd9..5242cb7 100644
--- a/arch/arm/mach-imx/mach-mx31lite.c
+++ b/arch/arm/mach-imx/mach-mx31lite.c
@@ -280,7 +280,7 @@
 
 MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx31lite_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
index b358383..1d01ef2 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -567,7 +567,7 @@
 
 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
 	/* Maintainer: Valentin Longchamp, EPFL Mobots group */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.reserve = mx31moboard_reserve,
 	.map_io = mx31_map_io,
 	.init_early = imx31_init_early,
diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c
index b3b9bd8..f2a873d 100644
--- a/arch/arm/mach-imx/mach-mx35_3ds.c
+++ b/arch/arm/mach-imx/mach-mx35_3ds.c
@@ -217,7 +217,7 @@
 
 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
 	/* Maintainer: Freescale Semiconductor, Inc */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx35_map_io,
 	.init_early = imx35_init_early,
 	.init_irq = mx35_init_irq,
diff --git a/arch/arm/mach-imx/mach-mxt_td60.c b/arch/arm/mach-imx/mach-mxt_td60.c
index c85876f..5ec3989 100644
--- a/arch/arm/mach-imx/mach-mxt_td60.c
+++ b/arch/arm/mach-imx/mach-mxt_td60.c
@@ -267,7 +267,7 @@
 
 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
 	/* maintainer: Maxtrack Industrial */
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c
index 71083aa..0f6bd11 100644
--- a/arch/arm/mach-imx/mach-pca100.c
+++ b/arch/arm/mach-imx/mach-pca100.c
@@ -435,7 +435,7 @@
 };
 
 MACHINE_START(PCA100, "phyCARD-i.MX27")
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c
index f45b7cd..186d4eb 100644
--- a/arch/arm/mach-imx/mach-pcm037.c
+++ b/arch/arm/mach-imx/mach-pcm037.c
@@ -688,7 +688,7 @@
 
 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 	/* Maintainer: Pengutronix */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.reserve = pcm037_reserve,
 	.map_io = mx31_map_io,
 	.init_early = imx31_init_early,
diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c
index 2d6a64b..091bcf8 100644
--- a/arch/arm/mach-imx/mach-pcm038.c
+++ b/arch/arm/mach-imx/mach-pcm038.c
@@ -349,7 +349,7 @@
 };
 
 MACHINE_START(PCM038, "phyCORE-i.MX27")
-	.boot_params = MX27_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx27_map_io,
 	.init_early = imx27_init_early,
 	.init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-pcm043.c b/arch/arm/mach-imx/mach-pcm043.c
index 660ec3e..0a4d31d 100644
--- a/arch/arm/mach-imx/mach-pcm043.c
+++ b/arch/arm/mach-imx/mach-pcm043.c
@@ -418,7 +418,7 @@
 
 MACHINE_START(PCM043, "Phytec Phycore pcm043")
 	/* Maintainer: Pengutronix */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx35_map_io,
 	.init_early = imx35_init_early,
 	.init_irq = mx35_init_irq,
diff --git a/arch/arm/mach-imx/mach-qong.c b/arch/arm/mach-imx/mach-qong.c
index 3626f48..9e11359 100644
--- a/arch/arm/mach-imx/mach-qong.c
+++ b/arch/arm/mach-imx/mach-qong.c
@@ -262,7 +262,7 @@
 
 MACHINE_START(QONG, "Dave/DENX QongEVB-LITE")
 	/* Maintainer: DENX Software Engineering GmbH */
-	.boot_params = MX3x_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx31_map_io,
 	.init_early = imx31_init_early,
 	.init_irq = mx31_init_irq,
diff --git a/arch/arm/mach-imx/mach-scb9328.c b/arch/arm/mach-imx/mach-scb9328.c
index db2d604..85d3284 100644
--- a/arch/arm/mach-imx/mach-scb9328.c
+++ b/arch/arm/mach-imx/mach-scb9328.c
@@ -137,7 +137,7 @@
 
 MACHINE_START(SCB9328, "Synertronixx scb9328")
 	/* Sascha Hauer */
-	.boot_params = 0x08000100,
+	.atag_offset = 100,
 	.map_io = mx1_map_io,
 	.init_early = imx1_init_early,
 	.init_irq = mx1_init_irq,
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index 2fbbdd5..eaa95bd 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -457,7 +457,7 @@
 
 MACHINE_START(INTEGRATOR, "ARM-Integrator")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.reserve	= integrator_reserve,
 	.map_io		= ap_map_io,
 	.init_early	= integrator_init_early,
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 4eb03ab..5de49c3 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -492,7 +492,7 @@
 
 MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.reserve	= integrator_reserve,
 	.map_io		= intcp_map_io,
 	.init_early	= intcp_init_early,
diff --git a/arch/arm/mach-iop13xx/iq81340mc.c b/arch/arm/mach-iop13xx/iq81340mc.c
index 23dfaff..4cf2cc4 100644
--- a/arch/arm/mach-iop13xx/iq81340mc.c
+++ b/arch/arm/mach-iop13xx/iq81340mc.c
@@ -91,7 +91,7 @@
 
 MACHINE_START(IQ81340MC, "Intel IQ81340MC")
 	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
-	.boot_params    = 0x00000100,
+	.atag_offset    = 0x100,
 	.map_io         = iop13xx_map_io,
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340mc_timer,
diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c
index df3492a..cd9e274 100644
--- a/arch/arm/mach-iop13xx/iq81340sc.c
+++ b/arch/arm/mach-iop13xx/iq81340sc.c
@@ -93,7 +93,7 @@
 
 MACHINE_START(IQ81340SC, "Intel IQ81340SC")
 	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
-	.boot_params    = 0x00000100,
+	.atag_offset    = 0x100,
 	.map_io         = iop13xx_map_io,
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340sc_timer,
diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c
index 6cbffbf..4325055 100644
--- a/arch/arm/mach-iop32x/em7210.c
+++ b/arch/arm/mach-iop32x/em7210.c
@@ -203,7 +203,7 @@
 }
 
 MACHINE_START(EM7210, "Lanner EM7210")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= em7210_map_io,
 	.init_irq	= iop32x_init_irq,
 	.timer		= &em7210_timer,
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c
index ceef5d4..0edc880 100644
--- a/arch/arm/mach-iop32x/glantank.c
+++ b/arch/arm/mach-iop32x/glantank.c
@@ -207,7 +207,7 @@
 
 MACHINE_START(GLANTANK, "GLAN Tank")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= glantank_map_io,
 	.init_irq	= iop32x_init_irq,
 	.timer		= &glantank_timer,
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index 3a62514..9e7aacc 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -313,7 +313,7 @@
 
 MACHINE_START(IQ31244, "Intel IQ31244")
 	/* Maintainer: Intel Corp. */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= iq31244_map_io,
 	.init_irq	= iop32x_init_irq,
 	.timer		= &iq31244_timer,
@@ -327,7 +327,7 @@
  */
 MACHINE_START(EP80219, "Intel EP80219")
 	/* Maintainer: Intel Corp. */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= iq31244_map_io,
 	.init_irq	= iop32x_init_irq,
 	.timer		= &iq31244_timer,
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c
index 35b7e69..53ea86f 100644
--- a/arch/arm/mach-iop32x/iq80321.c
+++ b/arch/arm/mach-iop32x/iq80321.c
@@ -186,7 +186,7 @@
 
 MACHINE_START(IQ80321, "Intel IQ80321")
 	/* Maintainer: Intel Corp. */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= iq80321_map_io,
 	.init_irq	= iop32x_init_irq,
 	.timer		= &iq80321_timer,
diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index 1a374ea..d726927 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -327,7 +327,7 @@
 
 MACHINE_START(N2100, "Thecus N2100")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= n2100_map_io,
 	.init_irq	= iop32x_init_irq,
 	.timer		= &n2100_timer,
diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c
index 637c027..9e14ccc 100644
--- a/arch/arm/mach-iop33x/iq80331.c
+++ b/arch/arm/mach-iop33x/iq80331.c
@@ -141,7 +141,7 @@
 
 MACHINE_START(IQ80331, "Intel IQ80331")
 	/* Maintainer: Intel Corp. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= iop3xx_map_io,
 	.init_irq	= iop33x_init_irq,
 	.timer		= &iq80331_timer,
diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c
index 90a0436..09c899a 100644
--- a/arch/arm/mach-iop33x/iq80332.c
+++ b/arch/arm/mach-iop33x/iq80332.c
@@ -141,7 +141,7 @@
 
 MACHINE_START(IQ80332, "Intel IQ80332")
 	/* Maintainer: Intel Corp. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= iop3xx_map_io,
 	.init_irq	= iop33x_init_irq,
 	.timer		= &iq80332_timer,
diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c
index 62c60ad..af99945 100644
--- a/arch/arm/mach-ixp2000/enp2611.c
+++ b/arch/arm/mach-ixp2000/enp2611.c
@@ -254,7 +254,7 @@
 
 MACHINE_START(ENP2611, "Radisys ENP-2611 PCI network processor board")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= enp2611_map_io,
 	.init_irq	= ixp2000_init_irq,
 	.timer		= &enp2611_timer,
diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c
index 5bad1a8..f7dfd97 100644
--- a/arch/arm/mach-ixp2000/ixdp2400.c
+++ b/arch/arm/mach-ixp2000/ixdp2400.c
@@ -171,7 +171,7 @@
 
 MACHINE_START(IXDP2400, "Intel IXDP2400 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixdp2x00_map_io,
 	.init_irq	= ixdp2400_init_irq,
 	.timer		= &ixdp2400_timer,
diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c
index 3d3cef8..d33bcac 100644
--- a/arch/arm/mach-ixp2000/ixdp2800.c
+++ b/arch/arm/mach-ixp2000/ixdp2800.c
@@ -286,7 +286,7 @@
 
 MACHINE_START(IXDP2800, "Intel IXDP2800 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixdp2x00_map_io,
 	.init_irq	= ixdp2800_init_irq,
 	.timer		= &ixdp2800_timer,
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
index be2a254..61a2867 100644
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ b/arch/arm/mach-ixp2000/ixdp2x01.c
@@ -417,7 +417,7 @@
 #ifdef CONFIG_ARCH_IXDP2401
 MACHINE_START(IXDP2401, "Intel IXDP2401 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixdp2x01_map_io,
 	.init_irq	= ixdp2x01_init_irq,
 	.timer		= &ixdp2x01_timer,
@@ -428,7 +428,7 @@
 #ifdef CONFIG_ARCH_IXDP2801
 MACHINE_START(IXDP2801, "Intel IXDP2801 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixdp2x01_map_io,
 	.init_irq	= ixdp2x01_init_irq,
 	.timer		= &ixdp2x01_timer,
@@ -441,7 +441,7 @@
  */
 MACHINE_START(IXDP28X5, "Intel IXDP2805/2855 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixdp2x01_map_io,
 	.init_irq	= ixdp2x01_init_irq,
 	.timer		= &ixdp2x01_timer,
diff --git a/arch/arm/mach-ixp23xx/espresso.c b/arch/arm/mach-ixp23xx/espresso.c
index e25e5fe..30dd316 100644
--- a/arch/arm/mach-ixp23xx/espresso.c
+++ b/arch/arm/mach-ixp23xx/espresso.c
@@ -88,6 +88,6 @@
 	.map_io		= ixp23xx_map_io,
 	.init_irq	= ixp23xx_init_irq,
 	.timer		= &ixp23xx_timer,
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= espresso_init,
 MACHINE_END
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index ec028e3..b3a57e0 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -331,6 +331,6 @@
 	.map_io		= ixdp2351_map_io,
 	.init_irq	= ixdp2351_init_irq,
 	.timer		= &ixp23xx_timer,
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= ixdp2351_init,
 MACHINE_END
diff --git a/arch/arm/mach-ixp23xx/roadrunner.c b/arch/arm/mach-ixp23xx/roadrunner.c
index 844551d..8f4dcbb 100644
--- a/arch/arm/mach-ixp23xx/roadrunner.c
+++ b/arch/arm/mach-ixp23xx/roadrunner.c
@@ -175,6 +175,6 @@
 	.map_io		= ixp23xx_map_io,
 	.init_irq	= ixp23xx_init_irq,
 	.timer		= &ixp23xx_timer,
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= roadrunner_init,
 MACHINE_END
diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c
index ee19c1d..37609a2 100644
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -167,7 +167,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= avila_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
@@ -185,7 +185,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= avila_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
index e24564b..81dfec3 100644
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -112,7 +112,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= coyote_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
@@ -130,7 +130,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= coyote_init,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
index 03e5451..71607a7 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-setup.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -279,7 +279,7 @@
 
 MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
 	/* Maintainer: www.nslu2-linux.org */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &dsmg600_timer,
diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
index 23a8b36..a9540cd 100644
--- a/arch/arm/mach-ixp4xx/fsg-setup.c
+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -273,7 +273,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= fsg_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/gateway7001-setup.c b/arch/arm/mach-ixp4xx/gateway7001-setup.c
index d4f851b..d69d1b0 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-setup.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-setup.c
@@ -99,7 +99,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= gateway7001_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/goramo_mlr.c b/arch/arm/mach-ixp4xx/goramo_mlr.c
index 7548d9a..bf6678d 100644
--- a/arch/arm/mach-ixp4xx/goramo_mlr.c
+++ b/arch/arm/mach-ixp4xx/goramo_mlr.c
@@ -499,7 +499,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= gmlr_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
index 3790dff..aa029fc 100644
--- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
@@ -167,7 +167,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= gtwx5715_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 6a29279..f235f82 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -256,7 +256,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= ixdp425_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
@@ -270,7 +270,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= ixdp425_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
@@ -284,7 +284,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= ixdp425_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
@@ -298,7 +298,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= ixdp425_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index afb5187..9f46692 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -314,7 +314,7 @@
 
 MACHINE_START(NAS100D, "Iomega NAS 100d")
 	/* Maintainer: www.nslu2-linux.org */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &ixp4xx_timer,
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 69e40f2..3676fbf 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -300,7 +300,7 @@
 
 MACHINE_START(NSLU2, "Linksys NSLU2")
 	/* Maintainer: www.nslu2-linux.org */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &nslu2_timer,
diff --git a/arch/arm/mach-ixp4xx/vulcan-setup.c b/arch/arm/mach-ixp4xx/vulcan-setup.c
index 045336c..27e469e 100644
--- a/arch/arm/mach-ixp4xx/vulcan-setup.c
+++ b/arch/arm/mach-ixp4xx/vulcan-setup.c
@@ -239,7 +239,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= vulcan_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-ixp4xx/wg302v2-setup.c b/arch/arm/mach-ixp4xx/wg302v2-setup.c
index 40b9fad..b14144b 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-setup.c
@@ -100,7 +100,7 @@
 	.map_io		= ixp4xx_map_io,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
-	.boot_params	= 0x0100,
+	.atag_offset	= 0x100,
 	.init_machine	= wg302v2_init,
 #if defined(CONFIG_PCI)
 	.dma_zone_size	= SZ_64M,
diff --git a/arch/arm/mach-kirkwood/d2net_v2-setup.c b/arch/arm/mach-kirkwood/d2net_v2-setup.c
index 043cfd5..f457e07 100644
--- a/arch/arm/mach-kirkwood/d2net_v2-setup.c
+++ b/arch/arm/mach-kirkwood/d2net_v2-setup.c
@@ -221,7 +221,7 @@
 }
 
 MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= d2net_v2_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
index bff04e0..ff4c21c 100644
--- a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
+++ b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
@@ -97,7 +97,7 @@
 
 MACHINE_START(DB88F6281_BP, "Marvell DB-88F6281-BP Development Board")
 	/* Maintainer: Saeed Bishara <saeed@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= db88f6281_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/dockstar-setup.c b/arch/arm/mach-kirkwood/dockstar-setup.c
index f14dfb8..e4d199b 100644
--- a/arch/arm/mach-kirkwood/dockstar-setup.c
+++ b/arch/arm/mach-kirkwood/dockstar-setup.c
@@ -102,7 +102,7 @@
 }
 
 MACHINE_START(DOCKSTAR, "Seagate FreeAgent DockStar")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= dockstar_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/guruplug-setup.c b/arch/arm/mach-kirkwood/guruplug-setup.c
index 41d1b40..6c40f78 100644
--- a/arch/arm/mach-kirkwood/guruplug-setup.c
+++ b/arch/arm/mach-kirkwood/guruplug-setup.c
@@ -121,7 +121,7 @@
 
 MACHINE_START(GURUPLUG, "Marvell GuruPlug Reference Board")
 	/* Maintainer: Siddarth Gore <gores@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= guruplug_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
index 00cca22..9a1e917 100644
--- a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
+++ b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
@@ -163,7 +163,7 @@
 
 MACHINE_START(MV88F6281GTW_GE, "Marvell 88F6281 GTW GE Board")
 	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= mv88f6281gtw_ge_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c
index 7cdab57..8849bcc 100644
--- a/arch/arm/mach-kirkwood/netspace_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c
@@ -258,7 +258,7 @@
 
 #ifdef CONFIG_MACH_NETSPACE_V2
 MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= netspace_v2_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
@@ -269,7 +269,7 @@
 
 #ifdef CONFIG_MACH_INETSPACE_V2
 MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= netspace_v2_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
@@ -280,7 +280,7 @@
 
 #ifdef CONFIG_MACH_NETSPACE_MAX_V2
 MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= netspace_v2_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/netxbig_v2-setup.c b/arch/arm/mach-kirkwood/netxbig_v2-setup.c
index 6be627d..1ba12c4 100644
--- a/arch/arm/mach-kirkwood/netxbig_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netxbig_v2-setup.c
@@ -399,7 +399,7 @@
 
 #ifdef CONFIG_MACH_NET2BIG_V2
 MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= netxbig_v2_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
@@ -410,7 +410,7 @@
 
 #ifdef CONFIG_MACH_NET5BIG_V2
 MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= netxbig_v2_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/openrd-setup.c b/arch/arm/mach-kirkwood/openrd-setup.c
index f69beef..5660ca6 100644
--- a/arch/arm/mach-kirkwood/openrd-setup.c
+++ b/arch/arm/mach-kirkwood/openrd-setup.c
@@ -214,7 +214,7 @@
 #ifdef CONFIG_MACH_OPENRD_BASE
 MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
 	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= openrd_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
@@ -226,7 +226,7 @@
 #ifdef CONFIG_MACH_OPENRD_CLIENT
 MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
 	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= openrd_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
@@ -238,7 +238,7 @@
 #ifdef CONFIG_MACH_OPENRD_ULTIMATE
 MACHINE_START(OPENRD_ULTIMATE, "Marvell OpenRD Ultimate Board")
 	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= openrd_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
index 75c6601..6663869 100644
--- a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
@@ -79,7 +79,7 @@
 
 MACHINE_START(RD88F6192_NAS, "Marvell RD-88F6192-NAS Development Board")
 	/* Maintainer: Saeed Bishara <saeed@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd88f6192_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
index 0f75494..66b3c05 100644
--- a/arch/arm/mach-kirkwood/rd88f6281-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -115,7 +115,7 @@
 
 MACHINE_START(RD88F6281, "Marvell RD-88F6281 Reference Board")
 	/* Maintainer: Saeed Bishara <saeed@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd88f6281_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index 17de0bf..8b102d6 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -138,7 +138,7 @@
 #ifdef CONFIG_MACH_SHEEVAPLUG
 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 	/* Maintainer: shadi Ammouri <shadi@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= sheevaplug_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
@@ -149,7 +149,7 @@
 
 #ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
 MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= sheevaplug_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/t5325-setup.c b/arch/arm/mach-kirkwood/t5325-setup.c
index e6b9b1b..ea104fb 100644
--- a/arch/arm/mach-kirkwood/t5325-setup.c
+++ b/arch/arm/mach-kirkwood/t5325-setup.c
@@ -201,7 +201,7 @@
 
 MACHINE_START(T5325, "HP t5325 Thin Client")
 	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= hp_t5325_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c
index 68f32f2..262c034 100644
--- a/arch/arm/mach-kirkwood/ts219-setup.c
+++ b/arch/arm/mach-kirkwood/ts219-setup.c
@@ -132,7 +132,7 @@
 
 MACHINE_START(TS219, "QNAP TS-119/TS-219")
 	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= qnap_ts219_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c
index d5d0099..b68f5b4 100644
--- a/arch/arm/mach-kirkwood/ts41x-setup.c
+++ b/arch/arm/mach-kirkwood/ts41x-setup.c
@@ -176,7 +176,7 @@
 
 MACHINE_START(TS41X, "QNAP TS-41x")
 	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= qnap_ts41x_init,
 	.map_io		= kirkwood_map_io,
 	.init_early	= kirkwood_init_early,
diff --git a/arch/arm/mach-ks8695/board-acs5k.c b/arch/arm/mach-ks8695/board-acs5k.c
index 3ca4f8e..a5fcc7c 100644
--- a/arch/arm/mach-ks8695/board-acs5k.c
+++ b/arch/arm/mach-ks8695/board-acs5k.c
@@ -223,7 +223,7 @@
 
 MACHINE_START(ACS5K, "Brivo Systems LLC ACS-5000 Master board")
 	/* Maintainer: Simtec Electronics. */
-	.boot_params	= KS8695_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ks8695_map_io,
 	.init_irq	= ks8695_init_irq,
 	.init_machine	= acs5k_init,
diff --git a/arch/arm/mach-ks8695/board-dsm320.c b/arch/arm/mach-ks8695/board-dsm320.c
index 1338cb3..fb91a71 100644
--- a/arch/arm/mach-ks8695/board-dsm320.c
+++ b/arch/arm/mach-ks8695/board-dsm320.c
@@ -121,7 +121,7 @@
 
 MACHINE_START(DSM320, "D-Link DSM-320 Wireless Media Player")
 	/* Maintainer: Simtec Electronics. */
-	.boot_params	= KS8695_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ks8695_map_io,
 	.init_irq	= ks8695_init_irq,
 	.init_machine	= dsm320_init,
diff --git a/arch/arm/mach-ks8695/board-micrel.c b/arch/arm/mach-ks8695/board-micrel.c
index e2e3cba..8f67a75 100644
--- a/arch/arm/mach-ks8695/board-micrel.c
+++ b/arch/arm/mach-ks8695/board-micrel.c
@@ -53,7 +53,7 @@
 
 MACHINE_START(KS8695, "KS8695 Centaur Development Board")
 	/* Maintainer: Micrel Semiconductor Inc. */
-	.boot_params	= KS8695_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= ks8695_map_io,
 	.init_irq	= ks8695_init_irq,
 	.init_machine	= micrel_init,
diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
index 7993b09..9b621e1 100644
--- a/arch/arm/mach-lpc32xx/phy3250.c
+++ b/arch/arm/mach-lpc32xx/phy3250.c
@@ -382,7 +382,7 @@
 
 MACHINE_START(PHY3250, "Phytec 3250 board with the LPC3250 Microcontroller")
 	/* Maintainer: Kevin Wells, NXP Semiconductors */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= lpc32xx_map_io,
 	.init_irq	= lpc32xx_init_irq,
 	.timer		= &lpc32xx_timer,
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index 18a3c97..16c86f8 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -93,7 +93,7 @@
 }
 
 MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.fixup		= halibut_fixup,
 	.map_io		= halibut_map_io,
 	.init_irq	= halibut_init_irq,
diff --git a/arch/arm/mach-msm/board-mahimahi.c b/arch/arm/mach-msm/board-mahimahi.c
index 7a9a03e..8a1672e 100644
--- a/arch/arm/mach-msm/board-mahimahi.c
+++ b/arch/arm/mach-msm/board-mahimahi.c
@@ -74,7 +74,7 @@
 extern struct sys_timer msm_timer;
 
 MACHINE_START(MAHIMAHI, "mahimahi")
-	.boot_params	= 0x20000100,
+	.atag_offset	= 0x100,
 	.fixup		= mahimahi_fixup,
 	.map_io		= mahimahi_map_io,
 	.init_irq	= msm_init_irq,
diff --git a/arch/arm/mach-msm/board-msm7x27.c b/arch/arm/mach-msm/board-msm7x27.c
index c03f269..a807655 100644
--- a/arch/arm/mach-msm/board-msm7x27.c
+++ b/arch/arm/mach-msm/board-msm7x27.c
@@ -130,7 +130,7 @@
 }
 
 MACHINE_START(MSM7X27_SURF, "QCT MSM7x27 SURF")
-	.boot_params	= PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= msm7x2x_map_io,
 	.init_irq	= msm7x2x_init_irq,
 	.init_machine	= msm7x2x_init,
@@ -138,7 +138,7 @@
 MACHINE_END
 
 MACHINE_START(MSM7X27_FFA, "QCT MSM7x27 FFA")
-	.boot_params	= PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= msm7x2x_map_io,
 	.init_irq	= msm7x2x_init_irq,
 	.init_machine	= msm7x2x_init,
@@ -146,7 +146,7 @@
 MACHINE_END
 
 MACHINE_START(MSM7X25_SURF, "QCT MSM7x25 SURF")
-	.boot_params	= PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= msm7x2x_map_io,
 	.init_irq	= msm7x2x_init_irq,
 	.init_machine	= msm7x2x_init,
@@ -154,7 +154,7 @@
 MACHINE_END
 
 MACHINE_START(MSM7X25_FFA, "QCT MSM7x25 FFA")
-	.boot_params	= PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= msm7x2x_map_io,
 	.init_irq	= msm7x2x_init_irq,
 	.init_machine	= msm7x2x_init,
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index b7a8496..5a2ab68 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -106,7 +106,7 @@
 }
 
 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
-	.boot_params = PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = msm7x30_map_io,
 	.init_irq = msm7x30_init_irq,
 	.init_machine = msm7x30_init,
@@ -114,7 +114,7 @@
 MACHINE_END
 
 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
-	.boot_params = PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = msm7x30_map_io,
 	.init_irq = msm7x30_init_irq,
 	.init_machine = msm7x30_init,
@@ -122,7 +122,7 @@
 MACHINE_END
 
 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
-	.boot_params = PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = msm7x30_map_io,
 	.init_irq = msm7x30_init_irq,
 	.init_machine = msm7x30_init,
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c
index 6a96911..51109b1 100644
--- a/arch/arm/mach-msm/board-qsd8x50.c
+++ b/arch/arm/mach-msm/board-qsd8x50.c
@@ -193,7 +193,7 @@
 }
 
 MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
-	.boot_params = PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = qsd8x50_map_io,
 	.init_irq = qsd8x50_init_irq,
 	.init_machine = qsd8x50_init,
@@ -201,7 +201,7 @@
 MACHINE_END
 
 MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5")
-	.boot_params = PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = qsd8x50_map_io,
 	.init_irq = qsd8x50_init_irq,
 	.init_machine = qsd8x50_init,
diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c
index 68f930f..dc0bcb5 100644
--- a/arch/arm/mach-msm/board-sapphire.c
+++ b/arch/arm/mach-msm/board-sapphire.c
@@ -105,7 +105,7 @@
 
 MACHINE_START(SAPPHIRE, "sapphire")
 /* Maintainer: Brian Swetland <swetland@google.com> */
-	.boot_params    = PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset    = 0x100,
 	.fixup          = sapphire_fixup,
 	.map_io         = sapphire_map_io,
 	.init_irq       = sapphire_init_irq,
diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 8143867..22d5694 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -93,7 +93,7 @@
 }
 
 MACHINE_START(TROUT, "HTC Dream")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.fixup		= trout_fixup,
 	.map_io		= trout_map_io,
 	.init_irq	= trout_init_irq,
diff --git a/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c b/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
index 20f3f12..0e94268 100644
--- a/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
+++ b/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
@@ -145,7 +145,7 @@
 
 MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
 	/* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= wxl_init,
 	.map_io		= mv78xx0_map_io,
 	.init_early	= mv78xx0_init_early,
diff --git a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
index df5aebe..50b85ae 100644
--- a/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
+++ b/arch/arm/mach-mv78xx0/db78x00-bp-setup.c
@@ -93,7 +93,7 @@
 
 MACHINE_START(DB78X00_BP, "Marvell DB-78x00-BP Development Board")
 	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= db78x00_init,
 	.map_io		= mv78xx0_map_io,
 	.init_early	= mv78xx0_init_early,
diff --git a/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c b/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c
index d927f14..e85222e 100644
--- a/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c
+++ b/arch/arm/mach-mv78xx0/rd78x00-masa-setup.c
@@ -78,7 +78,7 @@
 
 MACHINE_START(RD78X00_MASA, "Marvell RD-78x00-MASA Development Board")
 	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd78x00_masa_init,
 	.map_io		= mv78xx0_map_io,
 	.init_early	= mv78xx0_init_early,
diff --git a/arch/arm/mach-mx5/board-cpuimx51.c b/arch/arm/mach-mx5/board-cpuimx51.c
index 68934ea..e01af94 100644
--- a/arch/arm/mach-mx5/board-cpuimx51.c
+++ b/arch/arm/mach-mx5/board-cpuimx51.c
@@ -293,7 +293,7 @@
 
 MACHINE_START(EUKREA_CPUIMX51, "Eukrea CPUIMX51 Module")
 	/* Maintainer: Eric Bénard <eric@eukrea.com> */
-	.boot_params = MX51_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx51_map_io,
 	.init_early = imx51_init_early,
 	.init_irq = mx51_init_irq,
diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c
index ff096d5..b41fc27 100644
--- a/arch/arm/mach-mx5/board-cpuimx51sd.c
+++ b/arch/arm/mach-mx5/board-cpuimx51sd.c
@@ -331,7 +331,7 @@
 
 MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD")
 	/* Maintainer: Eric Bénard <eric@eukrea.com> */
-	.boot_params = MX51_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx51_map_io,
 	.init_early = imx51_init_early,
 	.init_irq = mx51_init_irq,
diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c
index 07a3815..a50174e 100644
--- a/arch/arm/mach-mx5/board-mx51_3ds.c
+++ b/arch/arm/mach-mx5/board-mx51_3ds.c
@@ -169,7 +169,7 @@
 
 MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.boot_params = MX51_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx51_map_io,
 	.init_early = imx51_init_early,
 	.init_irq = mx51_init_irq,
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 11b0ff6..468926a 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -416,7 +416,7 @@
 
 MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board")
 	/* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */
-	.boot_params = MX51_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx51_map_io,
 	.init_early = imx51_init_early,
 	.init_irq = mx51_init_irq,
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index 551daf8..c36880d 100644
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -280,7 +280,7 @@
 
 MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop")
 	/* Maintainer: Amit Kucheria <amit.kucheria@linaro.org> */
-	.boot_params = MX51_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx51_map_io,
 	.init_early = imx51_init_early,
 	.init_irq = mx51_init_irq,
diff --git a/arch/arm/mach-mx5/board-mx51_efikasb.c b/arch/arm/mach-mx5/board-mx51_efikasb.c
index 8a9bca2..ba5436a 100644
--- a/arch/arm/mach-mx5/board-mx51_efikasb.c
+++ b/arch/arm/mach-mx5/board-mx51_efikasb.c
@@ -266,7 +266,7 @@
 };
 
 MACHINE_START(MX51_EFIKASB, "Genesi Efika Smartbook")
-	.boot_params = MX51_PHYS_OFFSET + 0x100,
+	.atag_offset = 0x100,
 	.map_io = mx51_map_io,
 	.init_early = imx51_init_early,
 	.init_irq = mx51_init_irq,
diff --git a/arch/arm/mach-netx/nxdb500.c b/arch/arm/mach-netx/nxdb500.c
index ca8b203..90903dd 100644
--- a/arch/arm/mach-netx/nxdb500.c
+++ b/arch/arm/mach-netx/nxdb500.c
@@ -200,7 +200,7 @@
 }
 
 MACHINE_START(NXDB500, "Hilscher nxdb500")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= netx_map_io,
 	.init_irq	= netx_init_irq,
 	.timer		= &netx_timer,
diff --git a/arch/arm/mach-netx/nxdkn.c b/arch/arm/mach-netx/nxdkn.c
index d775cbe..c63384a 100644
--- a/arch/arm/mach-netx/nxdkn.c
+++ b/arch/arm/mach-netx/nxdkn.c
@@ -93,7 +93,7 @@
 }
 
 MACHINE_START(NXDKN, "Hilscher nxdkn")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= netx_map_io,
 	.init_irq	= netx_init_irq,
 	.timer		= &netx_timer,
diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c
index de369cd..8f548ec 100644
--- a/arch/arm/mach-netx/nxeb500hmi.c
+++ b/arch/arm/mach-netx/nxeb500hmi.c
@@ -177,7 +177,7 @@
 }
 
 MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= netx_map_io,
 	.init_irq	= netx_init_irq,
 	.timer		= &netx_timer,
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 1399303..398a75f 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -276,7 +276,7 @@
 
 MACHINE_START(NOMADIK, "NHK8815")
 	/* Maintainer: ST MicroElectronics */
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= cpu8815_map_io,
 	.init_irq	= cpu8815_init_irq,
 	.timer		= &nomadik_timer,
diff --git a/arch/arm/mach-nuc93x/mach-nuc932evb.c b/arch/arm/mach-nuc93x/mach-nuc932evb.c
index d702570..1f741b1 100644
--- a/arch/arm/mach-nuc93x/mach-nuc932evb.c
+++ b/arch/arm/mach-nuc93x/mach-nuc932evb.c
@@ -35,7 +35,6 @@
 
 MACHINE_START(NUC932EVB, "NUC932EVB")
 	/* Maintainer: Wan ZongShun */
-	.boot_params	= 0,
 	.map_io		= nuc932evb_map_io,
 	.init_irq	= nuc93x_init_irq,
 	.init_machine	= nuc932evb_init,
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 312ea6b..eb36b25 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -386,7 +386,7 @@
 
 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 	/* Maintainer: Jonathan McDowell <noodles@earth.li> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= ams_delta_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= ams_delta_init_irq,
diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c
index a6b1bea..999789c 100644
--- a/arch/arm/mach-omap1/board-fsample.c
+++ b/arch/arm/mach-omap1/board-fsample.c
@@ -389,7 +389,7 @@
 
 MACHINE_START(OMAP_FSAMPLE, "OMAP730 F-Sample")
 /* Maintainer: Brian Swetland <swetland@google.com> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_fsample_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_fsample_init_irq,
diff --git a/arch/arm/mach-omap1/board-generic.c b/arch/arm/mach-omap1/board-generic.c
index 04fc356..23cc9e4 100644
--- a/arch/arm/mach-omap1/board-generic.c
+++ b/arch/arm/mach-omap1/board-generic.c
@@ -94,7 +94,7 @@
 
 MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
 	/* Maintainer: Tony Lindgren <tony@atomide.com> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_generic_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_generic_init_irq,
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c
index cb7fb1a..6c70c28 100644
--- a/arch/arm/mach-omap1/board-h2.c
+++ b/arch/arm/mach-omap1/board-h2.c
@@ -461,7 +461,7 @@
 
 MACHINE_START(OMAP_H2, "TI-H2")
 	/* Maintainer: Imre Deak <imre.deak@nokia.com> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= h2_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= h2_init_irq,
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index 31f3487..8e2b64a 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -449,7 +449,7 @@
 
 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 	/* Maintainer: Texas Instruments, Inc. */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= h3_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= h3_init_irq,
diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c
index 36e06ea..e81ead1 100644
--- a/arch/arm/mach-omap1/board-htcherald.c
+++ b/arch/arm/mach-omap1/board-htcherald.c
@@ -611,7 +611,7 @@
 MACHINE_START(HERALD, "HTC Herald")
 	/* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */
 	/* Maintainer: wing-linux.sourceforge.net */
-	.boot_params    = 0x10000100,
+	.atag_offset    = 0x100,
 	.map_io         = htcherald_map_io,
 	.reserve	= omap_reserve,
 	.init_irq       = htcherald_init_irq,
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 0b1ba46..8b03459 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -459,7 +459,7 @@
 
 MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
 	/* Maintainer: MontaVista Software, Inc. */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= innovator_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= innovator_init_irq,
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index 5469ce2..6825635 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -264,7 +264,7 @@
 }
 
 MACHINE_START(NOKIA770, "Nokia 770")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_nokia770_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_nokia770_init_irq,
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index b08a213..44b8e93 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -583,7 +583,7 @@
 
 MACHINE_START(OMAP_OSK, "TI-OSK")
 	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= osk_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= osk_init_irq,
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c
index 459cb6b..3d8cd90 100644
--- a/arch/arm/mach-omap1/board-palmte.c
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -275,7 +275,7 @@
 }
 
 MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_palmte_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_palmte_init_irq,
diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c
index b214f45..d0eefe8 100644
--- a/arch/arm/mach-omap1/board-palmtt.c
+++ b/arch/arm/mach-omap1/board-palmtt.c
@@ -321,7 +321,7 @@
 }
 
 MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_palmtt_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_palmtt_init_irq,
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index 9b0ea48..98e79bc 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -341,7 +341,7 @@
 }
 
 MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_palmz71_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_palmz71_init_irq,
diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c
index 67acd41..ad3a156 100644
--- a/arch/arm/mach-omap1/board-perseus2.c
+++ b/arch/arm/mach-omap1/board-perseus2.c
@@ -350,7 +350,7 @@
 
 MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
 	/* Maintainer: Kevin Hilman <kjh@hilman.org> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_perseus2_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_perseus2_init_irq,
diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c
index 9c3b7c5..602b55c 100644
--- a/arch/arm/mach-omap1/board-sx1.c
+++ b/arch/arm/mach-omap1/board-sx1.c
@@ -421,7 +421,7 @@
 }
 
 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap_sx1_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= omap_sx1_init_irq,
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index 036edc0e..8016515 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -301,7 +301,7 @@
 
 MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
 	/* Maintainer: Ladislav Michl <michl@2n.cz> */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.map_io		= voiceblue_map_io,
 	.reserve	= omap_reserve,
 	.init_irq	= voiceblue_init_irq,
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 2028464..195157d 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -256,7 +256,7 @@
 
 MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
 	/* Maintainer: Syed Khasim - Texas Instruments Inc */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap_2430sdp_map_io,
 	.init_early	= omap_2430sdp_init_early,
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index bd600cf..2430531 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -729,7 +729,7 @@
 
 MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
 	/* Maintainer: Syed Khasim - Texas Instruments Inc */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap_3430sdp_init_early,
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index e4f37b5..8b5b5aa 100644
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -215,7 +215,7 @@
 }
 
 MACHINE_START(OMAP_3630SDP, "OMAP 3630SDP board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap_sdp_init_early,
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index c7cef44..be93110 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -838,7 +838,7 @@
 
 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
 	/* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap_4430sdp_map_io,
 	.init_early	= omap_4430sdp_init_early,
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 933e935..db110fd 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -98,7 +98,7 @@
 }
 
 MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= am3517_crane_init_early,
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index f3006c3..1325085 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -490,7 +490,7 @@
 }
 
 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= am3517_evm_init_early,
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 7021170..67800e6 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -350,7 +350,7 @@
 
 MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
 	/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap_apollon_map_io,
 	.init_early	= omap_apollon_init_early,
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 3af8aab..38179c1 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -634,7 +634,7 @@
 }
 
 MACHINE_START(CM_T35, "Compulab CM-T35")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= cm_t35_init_early,
@@ -644,7 +644,7 @@
 MACHINE_END
 
 MACHINE_START(CM_T3730, "Compulab CM-T3730")
-	.boot_params    = 0x80000100,
+	.atag_offset    = 0x100,
 	.reserve        = omap_reserve,
 	.map_io         = omap3_map_io,
 	.init_early     = cm_t35_init_early,
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 05c72f4..aed9c29 100644
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -299,7 +299,7 @@
 }
 
 MACHINE_START(CM_T3517, "Compulab CM-T3517")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve        = omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= cm_t3517_init_early,
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index b6002ec..99a4243 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -667,7 +667,7 @@
 }
 
 MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= devkit8000_init_early,
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 54db41a..2564269 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -66,7 +66,7 @@
 /* XXX This machine entry name should be updated */
 MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
 	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap_generic_map_io,
 	.init_early	= omap_generic_init_early,
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 45de2b3..a58c6ba 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -382,7 +382,7 @@
 
 MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
 	/* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap_h4_map_io,
 	.init_early	= omap_h4_init_early,
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 35be778..7040352 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -672,7 +672,7 @@
 }
 
 MACHINE_START(IGEP0020, "IGEP v2 board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep_init_early,
@@ -682,7 +682,7 @@
 MACHINE_END
 
 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= igep_init_early,
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 218764c..edf752b 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -333,7 +333,7 @@
 }
 
 MACHINE_START(OMAP_LDP, "OMAP LDP board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap_ldp_init_early,
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index e11f0c5..6ce7481 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -695,7 +695,7 @@
 }
 
 MACHINE_START(NOKIA_N800, "Nokia N800")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= n8x0_map_io,
 	.init_early	= n8x0_init_early,
@@ -705,7 +705,7 @@
 MACHINE_END
 
 MACHINE_START(NOKIA_N810, "Nokia N810")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= n8x0_map_io,
 	.init_early	= n8x0_init_early,
@@ -715,7 +715,7 @@
 MACHINE_END
 
 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= n8x0_map_io,
 	.init_early	= n8x0_init_early,
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 3ae16b4..1fde8a0 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -557,7 +557,7 @@
 
 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
 	/* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap3_beagle_init_early,
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index c452b3f..15c69a0 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -681,7 +681,7 @@
 
 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 	/* Maintainer: Syed Mohammed Khasim - Texas Instruments */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap3_evm_init_early,
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
index 703aeb5..01354a2 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -209,7 +209,7 @@
 }
 
 MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap3_map_io,
 	.init_early	= omap3logic_init_early,
 	.init_irq	= omap3_init_irq,
@@ -218,7 +218,7 @@
 MACHINE_END
 
 MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= omap3_map_io,
 	.init_early	= omap3logic_init_early,
 	.init_irq	= omap3_init_irq,
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 080d7bd..ace5693 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -606,7 +606,7 @@
 }
 
 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap3pandora_init_early,
diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
index 8e10498..ba13e1d 100644
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -494,7 +494,7 @@
 
 MACHINE_START(SBC3530, "OMAP3 STALKER")
 	/* Maintainer: Jason Lam -lzg@ema-tech.com */
-	.boot_params		= 0x80000100,
+	.atag_offset		= 0x100,
 	.map_io			= omap3_map_io,
 	.init_early		= omap3_stalker_init_early,
 	.init_irq		= omap3_stalker_init_irq,
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 852ea04..49e4bd2 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -404,7 +404,7 @@
 
 MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
 	/* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap3_touchbook_init_early,
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 9aaa960..683bede 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -583,7 +583,7 @@
 
 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 	/* Maintainer: David Anders - Texas Instruments Inc */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap4_panda_map_io,
 	.init_early	= omap4_panda_init_early,
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index f949a99..e592fb1 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -561,7 +561,7 @@
 }
 
 MACHINE_START(OVERO, "Gumstix Overo")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= overo_init_early,
diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c
index 7dfed24..9a8ce23 100644
--- a/arch/arm/mach-omap2/board-rm680.c
+++ b/arch/arm/mach-omap2/board-rm680.c
@@ -153,7 +153,7 @@
 }
 
 MACHINE_START(NOKIA_RM680, "Nokia RM-680 board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= rm680_map_io,
 	.init_early	= rm680_init_early,
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 5ea142f..a6c473b 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -156,7 +156,7 @@
 
 MACHINE_START(NOKIA_RX51, "Nokia RX-51 board")
 	/* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= rx51_reserve,
 	.map_io		= rx51_map_io,
 	.init_early	= rx51_init_early,
diff --git a/arch/arm/mach-omap2/board-ti8168evm.c b/arch/arm/mach-omap2/board-ti8168evm.c
index a85d5b0..e41958a 100644
--- a/arch/arm/mach-omap2/board-ti8168evm.c
+++ b/arch/arm/mach-omap2/board-ti8168evm.c
@@ -48,7 +48,7 @@
 
 MACHINE_START(TI8168EVM, "ti8168evm")
 	/* Maintainer: Texas Instruments */
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.map_io		= ti8168_evm_map_io,
 	.init_early	= ti8168_init_early,
 	.init_irq	= ti816x_init_irq,
diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c
index 8a98c3c..72f1db4 100644
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -133,7 +133,7 @@
 }
 
 MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap_zoom_init_early,
@@ -143,7 +143,7 @@
 MACHINE_END
 
 MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
-	.boot_params	= 0x80000100,
+	.atag_offset	= 0x100,
 	.reserve	= omap_reserve,
 	.map_io		= omap3_map_io,
 	.init_early	= omap_zoom_init_early,
diff --git a/arch/arm/mach-orion5x/d2net-setup.c b/arch/arm/mach-orion5x/d2net-setup.c
index 19cf5bf..8c83009 100644
--- a/arch/arm/mach-orion5x/d2net-setup.c
+++ b/arch/arm/mach-orion5x/d2net-setup.c
@@ -336,7 +336,7 @@
 
 #ifdef CONFIG_MACH_D2NET
 MACHINE_START(D2NET, "LaCie d2 Network")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= d2net_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
@@ -348,7 +348,7 @@
 
 #ifdef CONFIG_MACH_BIGDISK
 MACHINE_START(BIGDISK, "LaCie Big Disk Network")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= d2net_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/db88f5281-setup.c b/arch/arm/mach-orion5x/db88f5281-setup.c
index a3e3e9e..88432ab 100644
--- a/arch/arm/mach-orion5x/db88f5281-setup.c
+++ b/arch/arm/mach-orion5x/db88f5281-setup.c
@@ -359,7 +359,7 @@
 
 MACHINE_START(DB88F5281, "Marvell Orion-2 Development Board")
 	/* Maintainer: Tzachi Perelstein <tzachi@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= db88f5281_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index a6eddae..e25f60f 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -730,7 +730,7 @@
 /* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
 MACHINE_START(DNS323, "D-Link DNS-323")
 	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= dns323_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/edmini_v2-setup.c b/arch/arm/mach-orion5x/edmini_v2-setup.c
index b67cff0..70a4e92 100644
--- a/arch/arm/mach-orion5x/edmini_v2-setup.c
+++ b/arch/arm/mach-orion5x/edmini_v2-setup.c
@@ -251,7 +251,7 @@
 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
 MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")
 	/* Maintainer: Christopher Moore <moore@free.fr> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= edmini_v2_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/kurobox_pro-setup.c b/arch/arm/mach-orion5x/kurobox_pro-setup.c
index 0038124..9115511 100644
--- a/arch/arm/mach-orion5x/kurobox_pro-setup.c
+++ b/arch/arm/mach-orion5x/kurobox_pro-setup.c
@@ -380,7 +380,7 @@
 #ifdef CONFIG_MACH_KUROBOX_PRO
 MACHINE_START(KUROBOX_PRO, "Buffalo/Revogear Kurobox Pro")
 	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= kurobox_pro_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
@@ -393,7 +393,7 @@
 #ifdef CONFIG_MACH_LINKSTATION_PRO
 MACHINE_START(LINKSTATION_PRO, "Buffalo Linkstation Pro/Live")
 	/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= kurobox_pro_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/ls-chl-setup.c b/arch/arm/mach-orion5x/ls-chl-setup.c
index 5065803..9503fff 100644
--- a/arch/arm/mach-orion5x/ls-chl-setup.c
+++ b/arch/arm/mach-orion5x/ls-chl-setup.c
@@ -318,7 +318,7 @@
 
 MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
 	/* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= lschl_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/ls_hgl-setup.c b/arch/arm/mach-orion5x/ls_hgl-setup.c
index 8503d0a..ed6d772 100644
--- a/arch/arm/mach-orion5x/ls_hgl-setup.c
+++ b/arch/arm/mach-orion5x/ls_hgl-setup.c
@@ -265,7 +265,7 @@
 
 MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
 	/* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= ls_hgl_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/lsmini-setup.c b/arch/arm/mach-orion5x/lsmini-setup.c
index 9c82723..743f7f1 100644
--- a/arch/arm/mach-orion5x/lsmini-setup.c
+++ b/arch/arm/mach-orion5x/lsmini-setup.c
@@ -267,7 +267,7 @@
 #ifdef CONFIG_MACH_LINKSTATION_MINI
 MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini")
 	/* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= lsmini_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/mss2-setup.c b/arch/arm/mach-orion5x/mss2-setup.c
index ef3bb8e..6020e26b 100644
--- a/arch/arm/mach-orion5x/mss2-setup.c
+++ b/arch/arm/mach-orion5x/mss2-setup.c
@@ -261,7 +261,7 @@
 
 MACHINE_START(MSS2, "Maxtor Shared Storage II")
 	/* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= mss2_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/mv2120-setup.c b/arch/arm/mach-orion5x/mv2120-setup.c
index 63ff10c..b3356ad 100644
--- a/arch/arm/mach-orion5x/mv2120-setup.c
+++ b/arch/arm/mach-orion5x/mv2120-setup.c
@@ -229,7 +229,7 @@
 /* Warning: HP uses a wrong mach-type (=526) in their bootloader */
 MACHINE_START(MV2120, "HP Media Vault mv2120")
 	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= mv2120_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/net2big-setup.c b/arch/arm/mach-orion5x/net2big-setup.c
index e43b39c..6197c79 100644
--- a/arch/arm/mach-orion5x/net2big-setup.c
+++ b/arch/arm/mach-orion5x/net2big-setup.c
@@ -419,7 +419,7 @@
 
 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
 MACHINE_START(NET2BIG, "LaCie 2Big Network")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= net2big_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
index 291d22b..8c87666 100644
--- a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
@@ -169,7 +169,7 @@
 
 MACHINE_START(RD88F5181L_FXO, "Marvell Orion-VoIP FXO Reference Design")
 	/* Maintainer: Nicolas Pitre <nico@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd88f5181l_fxo_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
index 3f02362..994644f 100644
--- a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
@@ -181,7 +181,7 @@
 
 MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
 	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd88f5181l_ge_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c
index 27fd38e..1903d25 100644
--- a/arch/arm/mach-orion5x/rd88f5182-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5182-setup.c
@@ -306,7 +306,7 @@
 
 MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design")
 	/* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd88f5182_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
index ad2eba9..e06fdae 100644
--- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
+++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
@@ -122,7 +122,7 @@
 
 MACHINE_START(RD88F6183AP_GE, "Marvell Orion-1-90 AP GE Reference Design")
 	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= rd88f6183ap_ge_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/terastation_pro2-setup.c b/arch/arm/mach-orion5x/terastation_pro2-setup.c
index a34e4fa..3061832 100644
--- a/arch/arm/mach-orion5x/terastation_pro2-setup.c
+++ b/arch/arm/mach-orion5x/terastation_pro2-setup.c
@@ -358,7 +358,7 @@
 
 MACHINE_START(TERASTATION_PRO2, "Buffalo Terastation Pro II/Live")
 	/* Maintainer:  Sylver Bruneau <sylver.bruneau@googlemail.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= tsp2_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/ts209-setup.c b/arch/arm/mach-orion5x/ts209-setup.c
index c983161..3dbcd5e 100644
--- a/arch/arm/mach-orion5x/ts209-setup.c
+++ b/arch/arm/mach-orion5x/ts209-setup.c
@@ -323,7 +323,7 @@
 
 MACHINE_START(TS209, "QNAP TS-109/TS-209")
 	/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= qnap_ts209_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/ts409-setup.c b/arch/arm/mach-orion5x/ts409-setup.c
index cc33b22..23c9e2e 100644
--- a/arch/arm/mach-orion5x/ts409-setup.c
+++ b/arch/arm/mach-orion5x/ts409-setup.c
@@ -312,7 +312,7 @@
 
 MACHINE_START(TS409, "QNAP TS-409")
 	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= qnap_ts409_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
index 6b7b541..6c75cd3 100644
--- a/arch/arm/mach-orion5x/ts78xx-setup.c
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -621,7 +621,7 @@
 
 MACHINE_START(TS78XX, "Technologic Systems TS-78xx SBC")
 	/* Maintainer: Alexander Clouter <alex@digriz.org.uk> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= ts78xx_init,
 	.map_io		= ts78xx_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/wnr854t-setup.c b/arch/arm/mach-orion5x/wnr854t-setup.c
index 2653595..1c63a76 100644
--- a/arch/arm/mach-orion5x/wnr854t-setup.c
+++ b/arch/arm/mach-orion5x/wnr854t-setup.c
@@ -173,7 +173,7 @@
 
 MACHINE_START(WNR854T, "Netgear WNR854T")
 	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= wnr854t_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
index 251ef15..4fd9f18 100644
--- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c
+++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
@@ -261,7 +261,7 @@
 
 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
 	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_machine	= wrt350n_v2_init,
 	.map_io		= orion5x_map_io,
 	.init_early	= orion5x_init_early,
diff --git a/arch/arm/mach-pnx4008/core.c b/arch/arm/mach-pnx4008/core.c
index 63399755..cdb95e7 100644
--- a/arch/arm/mach-pnx4008/core.c
+++ b/arch/arm/mach-pnx4008/core.c
@@ -264,7 +264,7 @@
 
 MACHINE_START(PNX4008, "Philips PNX4008")
 	/* Maintainer: MontaVista Software Inc. */
-	.boot_params		= 0x80000100,
+	.atag_offset		= 0x100,
 	.map_io 		= pnx4008_map_io,
 	.init_irq 		= pnx4008_init_irq,
 	.init_machine 		= pnx4008_init,
diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c
index f57124b..5654a04 100644
--- a/arch/arm/mach-prima2/prima2.c
+++ b/arch/arm/mach-prima2/prima2.c
@@ -31,7 +31,7 @@
 
 MACHINE_START(PRIMA2_EVB, "prima2cb")
 	/* Maintainer: Barry Song <baohua.song@csr.com> */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.init_early     = sirfsoc_of_clk_init,
 	.map_io         = sirfsoc_map_lluart,
 	.init_irq	= sirfsoc_of_irq_init,
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index ef3e8b1..7765d67 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -828,5 +828,5 @@
 	.handle_irq	= pxa27x_handle_irq,
 	.timer		= &pxa_timer,
 	.init_machine	= balloon3_init,
-	.boot_params	= PLAT_PHYS_OFFSET + 0x100,
+	.atag_offset	= 0x100,
 MACHINE_END
diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c
index 648b0ab..4efc16d 100644
--- a/arch/arm/mach-pxa/capc7117.c
+++ b/arch/arm/mach-pxa/capc7117.c
@@ -148,7 +148,7 @@
 
 MACHINE_START(CAPC7117,
 	      "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
-	.boot_params = 0xa0000100,
+	.atag_offset = 0x100,
 	.map_io = pxa3xx_map_io,
 	.init_irq = pxa3xx_init_irq,
 	.handle_irq = pxa3xx_handle_irq,
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index 13cf518..349896c 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -513,7 +513,7 @@
 #endif
 
 MACHINE_START(ARMCORE, "Compulab CM-X2XX")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= cmx2xx_map_io,
 	.nr_irqs	= CMX2XX_NR_IRQS,
 	.init_irq	= cmx2xx_init_irq,
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index b6a5134..9ac0225 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -852,7 +852,7 @@
 }
 
 MACHINE_START(CM_X300, "CM-X300 module")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
 	.handle_irq	= pxa3xx_handle_irq,
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
index 8709209..7db6646 100644
--- a/arch/arm/mach-pxa/colibri-pxa270.c
+++ b/arch/arm/mach-pxa/colibri-pxa270.c
@@ -306,7 +306,7 @@
 }
 
 MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
-	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= colibri_pxa270_init,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
@@ -315,7 +315,7 @@
 MACHINE_END
 
 MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.init_machine	= colibri_pxa270_income_init,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index 60a6781..c825e8b 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -183,7 +183,7 @@
 }
 
 MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
-	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= colibri_pxa300_init,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index d2c6631..692e1ff 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -253,7 +253,7 @@
 }
 
 MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
-	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= colibri_pxa320_init,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c
index fe812ea..5e2cf39 100644
--- a/arch/arm/mach-pxa/csb726.c
+++ b/arch/arm/mach-pxa/csb726.c
@@ -272,7 +272,7 @@
 }
 
 MACHINE_START(CSB726, "Cogent CSB726")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io         = pxa27x_map_io,
 	.init_irq       = pxa27x_init_irq,
 	.handle_irq       = pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index 2e37ea5..94acc0b 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -1299,7 +1299,7 @@
 }
 
 MACHINE_START(EM_X270, "Compulab EM-X270")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
@@ -1308,7 +1308,7 @@
 MACHINE_END
 
 MACHINE_START(EXEDA, "Compulab eXeda")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c
index b4599ec..e823c54 100644
--- a/arch/arm/mach-pxa/eseries.c
+++ b/arch/arm/mach-pxa/eseries.c
@@ -189,7 +189,7 @@
 
 MACHINE_START(E330, "Toshiba e330")
 	/* Maintainer: Ian Molton (spyro@f2s.com) */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.nr_irqs	= ESERIES_NR_IRQS,
 	.init_irq	= pxa25x_init_irq,
@@ -239,7 +239,7 @@
 
 MACHINE_START(E350, "Toshiba e350")
 	/* Maintainer: Ian Molton (spyro@f2s.com) */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.nr_irqs	= ESERIES_NR_IRQS,
 	.init_irq	= pxa25x_init_irq,
@@ -362,7 +362,7 @@
 
 MACHINE_START(E400, "Toshiba e400")
 	/* Maintainer: Ian Molton (spyro@f2s.com) */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.nr_irqs	= ESERIES_NR_IRQS,
 	.init_irq	= pxa25x_init_irq,
@@ -551,7 +551,7 @@
 
 MACHINE_START(E740, "Toshiba e740")
 	/* Maintainer: Ian Molton (spyro@f2s.com) */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.nr_irqs	= ESERIES_NR_IRQS,
 	.init_irq	= pxa25x_init_irq,
@@ -743,7 +743,7 @@
 
 MACHINE_START(E750, "Toshiba e750")
 	/* Maintainer: Ian Molton (spyro@f2s.com) */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.nr_irqs	= ESERIES_NR_IRQS,
 	.init_irq	= pxa25x_init_irq,
@@ -948,7 +948,7 @@
 
 MACHINE_START(E800, "Toshiba e800")
 	/* Maintainer: Ian Molton (spyro@f2s.com) */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.nr_irqs	= ESERIES_NR_IRQS,
 	.init_irq	= pxa25x_init_irq,
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
index b73eadb..8308eee 100644
--- a/arch/arm/mach-pxa/ezx.c
+++ b/arch/arm/mach-pxa/ezx.c
@@ -797,7 +797,7 @@
 }
 
 MACHINE_START(EZX_A780, "Motorola EZX A780")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= EZX_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
@@ -863,7 +863,7 @@
 }
 
 MACHINE_START(EZX_E680, "Motorola EZX E680")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= EZX_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
@@ -929,7 +929,7 @@
 }
 
 MACHINE_START(EZX_A1200, "Motorola EZX A1200")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= EZX_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
@@ -1120,7 +1120,7 @@
 }
 
 MACHINE_START(EZX_A910, "Motorola EZX A910")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= EZX_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
@@ -1186,7 +1186,7 @@
 }
 
 MACHINE_START(EZX_E6, "Motorola EZX E6")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= EZX_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
@@ -1226,7 +1226,7 @@
 }
 
 MACHINE_START(EZX_E2, "Motorola EZX E2")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= EZX_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/gumstix.c b/arch/arm/mach-pxa/gumstix.c
index deaa111..9c8208c 100644
--- a/arch/arm/mach-pxa/gumstix.c
+++ b/arch/arm/mach-pxa/gumstix.c
@@ -233,7 +233,7 @@
 }
 
 MACHINE_START(GUMSTIX, "Gumstix")
-	.boot_params	= 0xa0000100, /* match u-boot bi_boot_params */
+	.atag_offset	= 0x100, /* match u-boot bi_boot_params */
 	.map_io		= pxa25x_map_io,
 	.init_irq	= pxa25x_init_irq,
 	.handle_irq	= pxa25x_handle_irq,
diff --git a/arch/arm/mach-pxa/h5000.c b/arch/arm/mach-pxa/h5000.c
index 0a235128..4b5e110 100644
--- a/arch/arm/mach-pxa/h5000.c
+++ b/arch/arm/mach-pxa/h5000.c
@@ -203,7 +203,7 @@
 }
 
 MACHINE_START(H5400, "HP iPAQ H5000")
-	.boot_params = 0xa0000100,
+	.atag_offset = 0x100,
 	.map_io = pxa25x_map_io,
 	.init_irq = pxa25x_init_irq,
 	.handle_irq = pxa25x_handle_irq,
diff --git a/arch/arm/mach-pxa/himalaya.c b/arch/arm/mach-pxa/himalaya.c
index a997d0ab..f2c3245 100644
--- a/arch/arm/mach-pxa/himalaya.c
+++ b/arch/arm/mach-pxa/himalaya.c
@@ -158,7 +158,7 @@
 
 
 MACHINE_START(HIMALAYA, "HTC Himalaya")
-	.boot_params = 0xa0000100,
+	.atag_offset = 0x100,
 	.map_io = pxa25x_map_io,
 	.init_irq = pxa25x_init_irq,
 	.handle_irq = pxa25x_handle_irq,
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index c748a47..6f6368e 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -838,7 +838,7 @@
 }
 
 MACHINE_START(H4700, "HP iPAQ HX4700")
-	.boot_params  = 0xa0000100,
+	.atag_offset  = 0x100,
 	.map_io       = pxa27x_map_io,
 	.nr_irqs      = HX4700_NR_IRQS,
 	.init_irq     = pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c
index d427429..f78d5db 100644
--- a/arch/arm/mach-pxa/icontrol.c
+++ b/arch/arm/mach-pxa/icontrol.c
@@ -191,7 +191,7 @@
 }
 
 MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
 	.handle_irq	= pxa3xx_handle_irq,
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 8f97e15..0037e57 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -437,7 +437,7 @@
 }
 
 MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa3xx_map_io,
 	.nr_irqs	= LITTLETON_NR_IRQS,
 	.init_irq	= pxa3xx_init_irq,
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index c171d6e..16df0fc0 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -499,7 +499,7 @@
 
 MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
 	/* Maintainer: Peter Barada */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= lpd270_map_io,
 	.nr_irqs	= LPD270_NR_IRQS,
 	.init_irq	= lpd270_init_irq,
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 5fe5bcd..4b796c3 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -753,7 +753,7 @@
 
 
 MACHINE_START(MAGICIAN, "HTC Magician")
-	.boot_params = 0xa0000100,
+	.atag_offset = 0x100,
 	.map_io = pxa27x_map_io,
 	.nr_irqs = MAGICIAN_NR_IRQS,
 	.init_irq = pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 4622eb7..cc6e14f 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -616,7 +616,7 @@
 
 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
 	/* Maintainer: MontaVista Software Inc. */
-	.boot_params	= 0xa0000100,	/* BLOB boot parameter setting */
+	.atag_offset	= 0x100,	/* BLOB boot parameter setting */
 	.map_io		= mainstone_map_io,
 	.nr_irqs	= MAINSTONE_NR_IRQS,
 	.init_irq	= mainstone_init_irq,
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 64810f9..b938fc2 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -751,7 +751,7 @@
 }
 
 MACHINE_START(MIOA701, "MIO A701")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= &pxa27x_map_io,
 	.init_irq	= &pxa27x_init_irq,
 	.handle_irq	= &pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/mp900.c b/arch/arm/mach-pxa/mp900.c
index fb408861..4af5d51 100644
--- a/arch/arm/mach-pxa/mp900.c
+++ b/arch/arm/mach-pxa/mp900.c
@@ -92,7 +92,7 @@
 
 /* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */
 MACHINE_START(NEC_MP900, "MobilePro900/C")
-	.boot_params	= 0xa0220100,
+	.atag_offset	= 0x220100,
 	.timer		= &pxa_timer,
 	.map_io		= pxa25x_map_io,
 	.init_irq	= pxa25x_init_irq,
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index 6b77365..3d4a281 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -342,7 +342,7 @@
 }
 
 MACHINE_START(PALMLD, "Palm LifeDrive")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= palmld_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 9bd3e47..99d6bcf 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -202,7 +202,7 @@
 }
 
 MACHINE_START(PALMT5, "Palm Tungsten|T5")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.reserve	= palmt5_reserve,
 	.init_irq	= pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index 6ad4a6c..6ec7cae 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -537,7 +537,7 @@
 };
 
 MACHINE_START(PALMTC, "Palm Tungsten|C")
-	.boot_params 	= 0xa0000100,
+	.atag_offset 	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.init_irq	= pxa25x_init_irq,
 	.handle_irq	= pxa25x_handle_irq,
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
index 664232f..9376da0 100644
--- a/arch/arm/mach-pxa/palmte2.c
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -356,7 +356,7 @@
 }
 
 MACHINE_START(PALMTE2, "Palm Tungsten|E2")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa25x_map_io,
 	.init_irq	= pxa25x_init_irq,
 	.handle_irq	= pxa25x_handle_irq,
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c
index bb27d4b..7346fbf 100644
--- a/arch/arm/mach-pxa/palmtreo.c
+++ b/arch/arm/mach-pxa/palmtreo.c
@@ -440,7 +440,7 @@
 }
 
 MACHINE_START(TREO680, "Palm Treo 680")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.reserve	= treo_reserve,
 	.init_irq       = pxa27x_init_irq,
@@ -450,7 +450,7 @@
 MACHINE_END
 
 MACHINE_START(CENTRO, "Palm Centro 685")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa27x_map_io,
 	.reserve	= treo_reserve,
 	.init_irq       = pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index fc428558..2b9e76f 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -364,7 +364,7 @@
 }
 
 MACHINE_START(PALMTX, "Palm T|X")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= palmtx_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
index e61c1cc..68e18ba 100644
--- a/arch/arm/mach-pxa/palmz72.c
+++ b/arch/arm/mach-pxa/palmz72.c
@@ -399,7 +399,7 @@
 }
 
 MACHINE_START(PALMZ72, "Palm Zire72")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/pcm027.c b/arch/arm/mach-pxa/pcm027.c
index ffa65df..0b825a3 100644
--- a/arch/arm/mach-pxa/pcm027.c
+++ b/arch/arm/mach-pxa/pcm027.c
@@ -258,7 +258,7 @@
 
 MACHINE_START(PCM027, "Phytec Messtechnik GmbH phyCORE-PXA270")
 	/* Maintainer: Pengutronix */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pcm027_map_io,
 	.nr_irqs	= PCM027_NR_IRQS,
 	.init_irq	= pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index bbcd905..6810cdd 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -1086,7 +1086,7 @@
 
 #ifdef CONFIG_MACH_RAUMFELD_RC
 MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
-	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= raumfeld_controller_init,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
@@ -1097,7 +1097,7 @@
 
 #ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
 MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
-	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= raumfeld_connector_init,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
@@ -1108,7 +1108,7 @@
 
 #ifdef CONFIG_MACH_RAUMFELD_SPEAKER
 MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
-	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= raumfeld_speaker_init,
 	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index df4356e..602d70b 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -596,7 +596,7 @@
 
 MACHINE_START(SAAR, "PXA930 Handheld Platform (aka SAAR)")
 	/* Maintainer: Eric Miao <eric.miao@marvell.com> */
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa3xx_map_io,
 	.init_irq       = pxa3xx_init_irq,
 	.handle_irq       = pxa3xx_handle_irq,
diff --git a/arch/arm/mach-pxa/saarb.c b/arch/arm/mach-pxa/saarb.c
index ebd6379..5ce3403 100644
--- a/arch/arm/mach-pxa/saarb.c
+++ b/arch/arm/mach-pxa/saarb.c
@@ -103,7 +103,7 @@
 }
 
 MACHINE_START(SAARB, "PXA955 Handheld Platform (aka SAARB)")
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa3xx_map_io,
 	.nr_irqs	= SAARB_NR_IRQS,
 	.init_irq       = pxa95x_init_irq,
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index 3f8d0af..4c9a48b 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -1004,7 +1004,7 @@
 	.handle_irq	= pxa27x_handle_irq,
 	.timer		= &pxa_timer,
 	.init_machine	= imote2_init,
-	.boot_params	= 0xA0000100,
+	.atag_offset	= 0x100,
 MACHINE_END
 #endif
 
@@ -1016,6 +1016,6 @@
 	.handle_irq = pxa27x_handle_irq,
 	.timer = &pxa_timer,
 	.init_machine = stargate2_init,
-	.boot_params = 0xA0000100,
+	.atag_offset = 0x100,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-pxa/tavorevb.c b/arch/arm/mach-pxa/tavorevb.c
index 32fb58e..ad47bb9 100644
--- a/arch/arm/mach-pxa/tavorevb.c
+++ b/arch/arm/mach-pxa/tavorevb.c
@@ -489,7 +489,7 @@
 
 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
 	/* Maintainer: Eric Miao <eric.miao@marvell.com> */
-	.boot_params    = 0xa0000100,
+	.atag_offset    = 0x100,
 	.map_io         = pxa3xx_map_io,
 	.init_irq       = pxa3xx_init_irq,
 	.handle_irq       = pxa3xx_handle_irq,
diff --git a/arch/arm/mach-pxa/tavorevb3.c b/arch/arm/mach-pxa/tavorevb3.c
index fd5a8ea..fd56916 100644
--- a/arch/arm/mach-pxa/tavorevb3.c
+++ b/arch/arm/mach-pxa/tavorevb3.c
@@ -125,7 +125,7 @@
 }
 
 MACHINE_START(TAVOREVB3, "PXA950 Evaluation Board (aka TavorEVB3)")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io         = pxa3xx_map_io,
 	.nr_irqs	= TAVOREVB3_NR_IRQS,
 	.init_irq       = pxa3xx_init_irq,
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index c041750..35bbf13 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -554,7 +554,7 @@
 
 MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
 	/* MAINTAINER("Jürgen Schindele") */
-	.boot_params	= TRIZEPS4_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= trizeps4_init,
 	.map_io		= trizeps4_map_io,
 	.init_irq	= pxa27x_init_irq,
@@ -564,7 +564,7 @@
 
 MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
 	/* MAINTAINER("Jürgen Schindele") */
-	.boot_params	= TRIZEPS4_SDRAM_BASE + 0x100,
+	.atag_offset	= 0x100,
 	.init_machine	= trizeps4_init,
 	.map_io		= trizeps4_map_io,
 	.init_irq	= pxa27x_init_irq,
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index d4a3dc7..242ddae 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -992,7 +992,7 @@
 
 MACHINE_START(VIPER, "Arcom/Eurotech VIPER SBC")
 	/* Maintainer: Marc Zyngier <maz@misterjones.org> */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= viper_map_io,
 	.init_irq	= viper_init_irq,
 	.handle_irq	= pxa25x_handle_irq,
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index 5f8490a..a7539a6 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -716,7 +716,7 @@
 }
 
 MACHINE_START(VPAC270, "Voipac PXA270")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/xcep.c b/arch/arm/mach-pxa/xcep.c
index acc600f..54930cc 100644
--- a/arch/arm/mach-pxa/xcep.c
+++ b/arch/arm/mach-pxa/xcep.c
@@ -180,7 +180,7 @@
 }
 
 MACHINE_START(XCEP, "Iskratel XCEP")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.init_machine	= xcep_init,
 	.map_io		= pxa25x_map_io,
 	.init_irq	= pxa25x_init_irq,
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index 6c9275a..65fed37 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -718,7 +718,7 @@
 }
 
 MACHINE_START(ZIPIT2, "Zipit Z2")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 99c49bc..c424e7d 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -904,7 +904,7 @@
 
 MACHINE_START(ARCOM_ZEUS, "Arcom/Eurotech ZEUS")
 	/* Maintainer: Marc Zyngier <maz@misterjones.org> */
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= zeus_map_io,
 	.nr_irqs	= ZEUS_NR_IRQS,
 	.init_irq	= zeus_init_irq,
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index 15ec66b..31d4968 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -422,7 +422,7 @@
 }
 
 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa3xx_map_io,
 	.nr_irqs	= ZYLONITE_NR_IRQS,
 	.init_irq	= pxa3xx_init_irq,
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 7a4e3b1..026c66a 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -463,7 +463,7 @@
 
 MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= realview_fixup,
 	.map_io		= realview_eb_map_io,
 	.init_early	= realview_init_early,
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index ad5671a..7263dea 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -358,7 +358,7 @@
 
 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= realview_pb1176_fixup,
 	.map_io		= realview_pb1176_map_io,
 	.init_early	= realview_init_early,
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index b43644b..671ad6d 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -360,7 +360,7 @@
 
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= realview_fixup,
 	.map_io		= realview_pb11mp_map_io,
 	.init_early	= realview_init_early,
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index 763e8f3..cbf22df 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -310,7 +310,7 @@
 
 MACHINE_START(REALVIEW_PBA8, "ARM-RealView PB-A8")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= realview_fixup,
 	.map_io		= realview_pba8_map_io,
 	.init_early	= realview_init_early,
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 363b0ab..8ec7e52 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -393,7 +393,7 @@
 
 MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= realview_pbx_fixup,
 	.map_io		= realview_pbx_map_io,
 	.init_early	= realview_init_early,
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
index 580b3c7..a9241eb 100644
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -218,7 +218,7 @@
 
 MACHINE_START(RISCPC, "Acorn-RiscPC")
 	/* Maintainer: Russell King */
-	.boot_params	= 0x10000100,
+	.atag_offset	= 0x100,
 	.reserve_lp0	= 1,
 	.reserve_lp1	= 1,
 	.map_io		= rpc_map_io,
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index dabc141..7983894 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -236,7 +236,7 @@
 }
 
 MACHINE_START(AML_M5900, "AML_M5900")
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= amlm5900_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= amlm5900_init,
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 1e2d536..a20ae1a 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -657,7 +657,7 @@
 
 MACHINE_START(BAST, "Simtec-BAST")
 	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= bast_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= bast_init,
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 2a2fa06..556c535 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -744,7 +744,7 @@
 
 MACHINE_START(H1940, "IPAQ-H1940")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= h1940_map_io,
 	.reserve	= h1940_reserve,
 	.init_irq	= h1940_init_irq,
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 079dcaa..1dc3e32 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -586,7 +586,7 @@
 	/* Maintainer: Christer Weinigel <christer@weinigel.se>,
 				Ben Dooks <ben-linux@fluff.org>
 	*/
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.timer		= &s3c24xx_timer,
 	.init_machine	= n30_init,
 	.init_irq	= s3c24xx_init_irq,
@@ -596,7 +596,7 @@
 MACHINE_START(N35, "Acer-N35")
 	/* Maintainer: Christer Weinigel <christer@weinigel.se>
 	*/
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.timer		= &s3c24xx_timer,
 	.init_machine	= n30_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c
index 0aa16cd..f03f3fd 100644
--- a/arch/arm/mach-s3c2410/mach-otom.c
+++ b/arch/arm/mach-s3c2410/mach-otom.c
@@ -116,7 +116,7 @@
 
 MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
 	/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= otom11_map_io,
 	.init_machine	= otom11_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index f44f775..367d376 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -344,7 +344,7 @@
 }
 
 MACHINE_START(QT2410, "QT2410")
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= qt2410_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= qt2410_machine_init,
diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c
index e17f033..99c9dfd 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2410.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2410.c
@@ -111,7 +111,7 @@
 MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
 				    * to SMDK2410 */
 	/* Maintainer: Jonas Dietsche */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= smdk2410_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= smdk2410_init,
diff --git a/arch/arm/mach-s3c2410/mach-tct_hammer.c b/arch/arm/mach-s3c2410/mach-tct_hammer.c
index 43c2b83..e0d0b6f 100644
--- a/arch/arm/mach-s3c2410/mach-tct_hammer.c
+++ b/arch/arm/mach-s3c2410/mach-tct_hammer.c
@@ -146,7 +146,7 @@
 }
 
 MACHINE_START(TCT_HAMMER, "TCT_HAMMER")
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= tct_hammer_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= tct_hammer_init,
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index 6ccce5a..df47e8e 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -400,7 +400,7 @@
 
 MACHINE_START(VR1000, "Thorcom-VR1000")
 	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= vr1000_map_io,
 	.init_machine	= vr1000_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c
index 5eeb475..286ef17 100644
--- a/arch/arm/mach-s3c2412/mach-jive.c
+++ b/arch/arm/mach-s3c2412/mach-jive.c
@@ -655,7 +655,7 @@
 
 MACHINE_START(JIVE, "JIVE")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c24xx_init_irq,
 	.map_io		= jive_map_io,
diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c
index 834cfb6..d6325ede 100644
--- a/arch/arm/mach-s3c2412/mach-smdk2413.c
+++ b/arch/arm/mach-s3c2412/mach-smdk2413.c
@@ -128,7 +128,7 @@
 
 MACHINE_START(S3C2413, "S3C2413")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.fixup		= smdk2413_fixup,
 	.init_irq	= s3c24xx_init_irq,
@@ -139,7 +139,7 @@
 
 MACHINE_START(SMDK2412, "SMDK2412")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.fixup		= smdk2413_fixup,
 	.init_irq	= s3c24xx_init_irq,
@@ -150,7 +150,7 @@
 
 MACHINE_START(SMDK2413, "SMDK2413")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.fixup		= smdk2413_fixup,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c
index 83544eb..5955c15 100644
--- a/arch/arm/mach-s3c2412/mach-vstms.c
+++ b/arch/arm/mach-s3c2412/mach-vstms.c
@@ -156,7 +156,7 @@
 }
 
 MACHINE_START(VSTMS, "VSTMS")
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.fixup		= vstms_fixup,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2416/mach-smdk2416.c b/arch/arm/mach-s3c2416/mach-smdk2416.c
index ac27ebb..a9eee53 100644
--- a/arch/arm/mach-s3c2416/mach-smdk2416.c
+++ b/arch/arm/mach-s3c2416/mach-smdk2416.c
@@ -245,7 +245,7 @@
 
 MACHINE_START(SMDK2416, "SMDK2416")
 	/* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c24xx_init_irq,
 	.map_io		= smdk2416_map_io,
diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index d708678..74f92fc 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -498,7 +498,7 @@
 
 MACHINE_START(ANUBIS, "Simtec-Anubis")
 	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= anubis_map_io,
 	.init_machine	= anubis_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c
index 6c98b78..38887ee 100644
--- a/arch/arm/mach-s3c2440/mach-at2440evb.c
+++ b/arch/arm/mach-s3c2440/mach-at2440evb.c
@@ -233,7 +233,7 @@
 
 
 MACHINE_START(AT2440EVB, "AT2440EVB")
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= at2440evb_map_io,
 	.init_machine	= at2440evb_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index c10ddf4..de1e0ff 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -595,7 +595,7 @@
 
 MACHINE_START(NEO1973_GTA02, "GTA02")
 	/* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= gta02_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= gta02_machine_init,
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index fc2dc0b..91fe0b4 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -676,7 +676,7 @@
 
 MACHINE_START(MINI2440, "MINI2440")
 	/* Maintainer: Michel Pollet <buserror@gmail.com> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= mini2440_map_io,
 	.init_machine	= mini2440_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c
index 37dd306..61c0bf1 100644
--- a/arch/arm/mach-s3c2440/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2440/mach-nexcoder.c
@@ -151,7 +151,7 @@
 
 MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
 	/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= nexcoder_map_io,
 	.init_machine	= nexcoder_init,
 	.init_irq	= s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index d885363..dc142eb 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -447,7 +447,7 @@
 
 MACHINE_START(OSIRIS, "Simtec-OSIRIS")
 	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= osiris_map_io,
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= osiris_init,
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index 27ea950..684dbb3 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -825,7 +825,7 @@
 
 MACHINE_START(RX1950, "HP iPAQ RX1950")
     /* Maintainers: Vasily Khoruzhick */
-	.boot_params = S3C2410_SDRAM_PA + 0x100,
+	.atag_offset = 0x100,
 	.map_io = rx1950_map_io,
 	.reserve	= rx1950_reserve,
 	.init_irq = s3c24xx_init_irq,
diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c
index 1472b1a..e19499c 100644
--- a/arch/arm/mach-s3c2440/mach-rx3715.c
+++ b/arch/arm/mach-s3c2440/mach-rx3715.c
@@ -218,7 +218,7 @@
 
 MACHINE_START(RX3715, "IPAQ-RX3715")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= rx3715_map_io,
 	.reserve	= rx3715_reserve,
 	.init_irq	= rx3715_init_irq,
diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c
index eedfe0f..36eeb41 100644
--- a/arch/arm/mach-s3c2440/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2440/mach-smdk2440.c
@@ -175,7 +175,7 @@
 
 MACHINE_START(S3C2440, "SMDK2440")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c24xx_init_irq,
 	.map_io		= smdk2440_map_io,
diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c
index 514275e..bec107e 100644
--- a/arch/arm/mach-s3c2443/mach-smdk2443.c
+++ b/arch/arm/mach-s3c2443/mach-smdk2443.c
@@ -139,7 +139,7 @@
 
 MACHINE_START(SMDK2443, "SMDK2443")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c24xx_init_irq,
 	.map_io		= smdk2443_map_io,
diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index cb88643..d164a28 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -233,7 +233,7 @@
 
 MACHINE_START(ANW6410, "A&W6410")
 	/* Maintainer: Kwangwoo Lee <kwangwoo.lee@gmail.com> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= anw6410_map_io,
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index af0c2fe..4c76e084 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -766,7 +766,7 @@
 
 MACHINE_START(WLF_CRAGG_6410, "Wolfson Cragganmore 6410")
 	/* Maintainer: Mark Brown <broonie@opensource.wolfsonmicro.com> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= crag6410_map_io,
 	.init_machine	= crag6410_machine_init,
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index b3d93cc..19a0887 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -265,7 +265,7 @@
 
 MACHINE_START(HMT, "Airgoo-HMT")
 	/* Maintainer: Peter Korsgaard <jacmet@sunsite.dk> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= hmt_map_io,
 	.init_machine	= hmt_machine_init,
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
index 527f49b..e91f63f 100644
--- a/arch/arm/mach-s3c64xx/mach-mini6410.c
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -349,7 +349,7 @@
 
 MACHINE_START(MINI6410, "MINI6410")
 	/* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= mini6410_map_io,
 	.init_machine	= mini6410_machine_init,
diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c
index 01c6857..c30f2e5 100644
--- a/arch/arm/mach-s3c64xx/mach-ncp.c
+++ b/arch/arm/mach-s3c64xx/mach-ncp.c
@@ -97,7 +97,7 @@
 
 MACHINE_START(NCP, "NCP")
 	/* Maintainer: Samsung Electronics */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= ncp_map_io,
 	.init_machine	= ncp_machine_init,
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index 95b04b1..10870cb 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -329,7 +329,7 @@
 
 MACHINE_START(REAL6410, "REAL6410")
 	/* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= real6410_map_io,
diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-s3c64xx/mach-smartq5.c
index 342e8df..cbb57de 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq5.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
@@ -146,7 +146,7 @@
 
 MACHINE_START(SMARTQ5, "SmartQ 5")
 	/* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= smartq_map_io,
 	.init_machine	= smartq5_machine_init,
diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-s3c64xx/mach-smartq7.c
index 5796397..04f914b 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq7.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
@@ -162,7 +162,7 @@
 
 MACHINE_START(SMARTQ7, "SmartQ 7")
 	/* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= smartq_map_io,
 	.init_machine	= smartq7_machine_init,
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
index 3cca642..6fd5e95 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
@@ -85,7 +85,7 @@
 
 MACHINE_START(SMDK6400, "SMDK6400")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c6400_init_irq,
 	.map_io		= smdk6400_map_io,
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index ecbea92..dcf2d73 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -742,7 +742,7 @@
 
 MACHINE_START(SMDK6410, "SMDK6410")
 	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
-	.boot_params	= S3C64XX_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s3c6410_init_irq,
 	.map_io		= smdk6410_map_io,
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c
index 346f8df..3b84e9b 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6440.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c
@@ -171,7 +171,7 @@
 
 MACHINE_START(SMDK6440, "SMDK6440")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
-	.boot_params	= S5P64X0_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s5p6440_init_irq,
 	.map_io		= smdk6440_map_io,
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c
index 33f2adf..d99d29b 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6450.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c
@@ -190,7 +190,7 @@
 
 MACHINE_START(SMDK6450, "SMDK6450")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
-	.boot_params	= S5P64X0_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 
 	.init_irq	= s5p6450_init_irq,
 	.map_io		= smdk6450_map_io,
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index 227d890..688f45b 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -254,7 +254,7 @@
 
 MACHINE_START(SMDKC100, "SMDKC100")
 	/* Maintainer: Byungho Min <bhmin@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s5pc100_init_irq,
 	.map_io		= smdkc100_map_io,
 	.init_machine	= smdkc100_machine_init,
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 509627f..5811a96 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -678,7 +678,7 @@
 	/* Maintainers:
 	   Marek Szyprowski <m.szyprowski@samsung.com>
 	   Kyungmin Park <kyungmin.park@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s5pv210_init_irq,
 	.map_io		= aquila_map_io,
 	.init_machine	= aquila_machine_init,
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 85c2d51..061cc7e 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -897,7 +897,7 @@
 
 MACHINE_START(GONI, "GONI")
 	/* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s5pv210_init_irq,
 	.map_io		= goni_map_io,
 	.init_machine	= goni_machine_init,
diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c
index 6c412c8..f7266bb 100644
--- a/arch/arm/mach-s5pv210/mach-smdkc110.c
+++ b/arch/arm/mach-s5pv210/mach-smdkc110.c
@@ -136,7 +136,7 @@
 
 MACHINE_START(SMDKC110, "SMDKC110")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s5pv210_init_irq,
 	.map_io		= smdkc110_map_io,
 	.init_machine	= smdkc110_machine_init,
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 5e011fc..e73e3b6d 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -319,7 +319,7 @@
 
 MACHINE_START(SMDKV210, "SMDKV210")
 	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s5pv210_init_irq,
 	.map_io		= smdkv210_map_io,
 	.init_machine	= smdkv210_machine_init,
diff --git a/arch/arm/mach-s5pv210/mach-torbreck.c b/arch/arm/mach-s5pv210/mach-torbreck.c
index 925fc0d..97cc066 100644
--- a/arch/arm/mach-s5pv210/mach-torbreck.c
+++ b/arch/arm/mach-s5pv210/mach-torbreck.c
@@ -125,7 +125,7 @@
 
 MACHINE_START(TORBRECK, "TORBRECK")
 	/* Maintainer: Hyunchul Ko <ghcstop@gmail.com> */
-	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.atag_offset	= 0x100,
 	.init_irq	= s5pv210_init_irq,
 	.map_io		= torbreck_map_io,
 	.init_machine	= torbreck_machine_init,
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 26257df..d40da5f 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -447,7 +447,7 @@
 
 
 MACHINE_START(ASSABET, "Intel-Assabet")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.fixup		= fixup_assabet,
 	.map_io		= assabet_map_io,
 	.init_irq	= sa1100_init_irq,
diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c
index b4311b0..bda83e1 100644
--- a/arch/arm/mach-sa1100/badge4.c
+++ b/arch/arm/mach-sa1100/badge4.c
@@ -302,7 +302,7 @@
 }
 
 MACHINE_START(BADGE4, "Hewlett-Packard Laboratories BadgePAD 4")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= badge4_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c
index 03d7376..b30733a 100644
--- a/arch/arm/mach-sa1100/h3100.c
+++ b/arch/arm/mach-sa1100/h3100.c
@@ -84,7 +84,7 @@
 }
 
 MACHINE_START(H3100, "Compaq iPAQ H3100")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= h3100_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index 965f64a..6fd324d 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -125,7 +125,7 @@
 }
 
 MACHINE_START(H3600, "Compaq iPAQ H3600")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= h3600_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/hackkit.c b/arch/arm/mach-sa1100/hackkit.c
index db5e434..30f4a55 100644
--- a/arch/arm/mach-sa1100/hackkit.c
+++ b/arch/arm/mach-sa1100/hackkit.c
@@ -195,7 +195,7 @@
  */
 
 MACHINE_START(HACKKIT, "HackKit Cpu Board")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= hackkit_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 176c066..0bb520d 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -364,7 +364,7 @@
 
 MACHINE_START(JORNADA720, "HP Jornada 720")
 	/* Maintainer: Kristoffer Ericson <Kristoffer.Ericson@gmail.com> */
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= jornada720_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
index 7b9556b..5bc59d0 100644
--- a/arch/arm/mach-sa1100/lart.c
+++ b/arch/arm/mach-sa1100/lart.c
@@ -61,7 +61,7 @@
 }
 
 MACHINE_START(LART, "LART")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= lart_map_io,
 	.init_irq	= sa1100_init_irq,
 	.init_machine	= lart_init,
diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c
index 72087f0..032f388 100644
--- a/arch/arm/mach-sa1100/nanoengine.c
+++ b/arch/arm/mach-sa1100/nanoengine.c
@@ -111,7 +111,7 @@
 }
 
 MACHINE_START(NANOENGINE, "BSE nanoEngine")
-	.boot_params	= 0xc0000000,
+	.atag_offset	= 0x100,
 	.map_io		= nanoengine_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
index 7917b24..1cccbf5 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -82,7 +82,7 @@
 }
 
 MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= shannon_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index cfb7607..a1c2427 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -229,7 +229,7 @@
 
 MACHINE_START(SIMPAD, "Simpad")
 	/* Maintainer: Holger Freyther */
-	.boot_params	= 0xc0000100,
+	.atag_offset	= 0x100,
 	.map_io		= simpad_map_io,
 	.init_irq	= sa1100_init_irq,
 	.timer		= &sa1100_timer,
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index ac2873c..feda3ca 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -152,7 +152,7 @@
 
 MACHINE_START(SHARK, "Shark")
 	/* Maintainer: Alexander Schulz */
-	.boot_params	= 0x08003000,
+	.atag_offset	= 0x3000,
 	.map_io		= shark_map_io,
 	.init_irq	= shark_init_irq,
 	.timer		= &shark_timer,
diff --git a/arch/arm/mach-spear3xx/spear300_evb.c b/arch/arm/mach-spear3xx/spear300_evb.c
index 69006f6..a5ff98e 100644
--- a/arch/arm/mach-spear3xx/spear300_evb.c
+++ b/arch/arm/mach-spear3xx/spear300_evb.c
@@ -64,7 +64,7 @@
 }
 
 MACHINE_START(SPEAR300, "ST-SPEAR300-EVB")
-	.boot_params	=	0x00000100,
+	.atag_offset	=	0x100,
 	.map_io		=	spear3xx_map_io,
 	.init_irq	=	spear3xx_init_irq,
 	.timer		=	&spear3xx_timer,
diff --git a/arch/arm/mach-spear3xx/spear310_evb.c b/arch/arm/mach-spear3xx/spear310_evb.c
index c8684ce..45d180d 100644
--- a/arch/arm/mach-spear3xx/spear310_evb.c
+++ b/arch/arm/mach-spear3xx/spear310_evb.c
@@ -70,7 +70,7 @@
 }
 
 MACHINE_START(SPEAR310, "ST-SPEAR310-EVB")
-	.boot_params	=	0x00000100,
+	.atag_offset	=	0x100,
 	.map_io		=	spear3xx_map_io,
 	.init_irq	=	spear3xx_init_irq,
 	.timer		=	&spear3xx_timer,
diff --git a/arch/arm/mach-spear3xx/spear320_evb.c b/arch/arm/mach-spear3xx/spear320_evb.c
index a12b353..2287984 100644
--- a/arch/arm/mach-spear3xx/spear320_evb.c
+++ b/arch/arm/mach-spear3xx/spear320_evb.c
@@ -68,7 +68,7 @@
 }
 
 MACHINE_START(SPEAR320, "ST-SPEAR320-EVB")
-	.boot_params	=	0x00000100,
+	.atag_offset	=	0x100,
 	.map_io		=	spear3xx_map_io,
 	.init_irq	=	spear3xx_init_irq,
 	.timer		=	&spear3xx_timer,
diff --git a/arch/arm/mach-spear6xx/spear600_evb.c b/arch/arm/mach-spear6xx/spear600_evb.c
index f19cefe..8238fe3 100644
--- a/arch/arm/mach-spear6xx/spear600_evb.c
+++ b/arch/arm/mach-spear6xx/spear600_evb.c
@@ -43,7 +43,7 @@
 }
 
 MACHINE_START(SPEAR600, "ST-SPEAR600-EVB")
-	.boot_params	=	0x00000100,
+	.atag_offset	=	0x100,
 	.map_io		=	spear6xx_map_io,
 	.init_irq	=	spear6xx_init_irq,
 	.timer		=	&spear6xx_timer,
diff --git a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
index 4cb3c2d..777a5bb 100644
--- a/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
+++ b/arch/arm/mach-tcc8k/board-tcc8000-sdk.c
@@ -73,7 +73,7 @@
 }
 
 MACHINE_START(TCC8000_SDK, "Telechips TCC8000-SDK Demo Board")
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= tcc8k_map_io,
 	.init_irq	= tcc8k_init_irq,
 	.init_machine	= tcc8k_init,
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c
index 846cd7d..a4d1980 100644
--- a/arch/arm/mach-tegra/board-harmony.c
+++ b/arch/arm/mach-tegra/board-harmony.c
@@ -179,7 +179,7 @@
 }
 
 MACHINE_START(HARMONY, "harmony")
-	.boot_params  = 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= tegra_harmony_fixup,
 	.map_io         = tegra_map_common_io,
 	.init_early	= tegra_init_early,
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index ea2f79c..3197c4c 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -127,7 +127,7 @@
 }
 
 MACHINE_START(PAZ00, "Toshiba AC100 / Dynabook AZ")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= tegra_paz00_fixup,
 	.map_io         = tegra_map_common_io,
 	.init_early	= tegra_init_early,
diff --git a/arch/arm/mach-tegra/board-seaboard.c b/arch/arm/mach-tegra/board-seaboard.c
index 56cbabf..9e98ac7 100644
--- a/arch/arm/mach-tegra/board-seaboard.c
+++ b/arch/arm/mach-tegra/board-seaboard.c
@@ -201,7 +201,7 @@
 
 
 MACHINE_START(SEABOARD, "seaboard")
-	.boot_params    = 0x00000100,
+	.atag_offset    = 0x100,
 	.map_io         = tegra_map_common_io,
 	.init_early     = tegra_init_early,
 	.init_irq       = tegra_init_irq,
@@ -210,7 +210,7 @@
 MACHINE_END
 
 MACHINE_START(KAEN, "kaen")
-	.boot_params    = 0x00000100,
+	.atag_offset    = 0x100,
 	.map_io         = tegra_map_common_io,
 	.init_early     = tegra_init_early,
 	.init_irq       = tegra_init_irq,
@@ -219,7 +219,7 @@
 MACHINE_END
 
 MACHINE_START(WARIO, "wario")
-	.boot_params    = 0x00000100,
+	.atag_offset    = 0x100,
 	.map_io         = tegra_map_common_io,
 	.init_early     = tegra_init_early,
 	.init_irq       = tegra_init_irq,
diff --git a/arch/arm/mach-tegra/board-trimslice.c b/arch/arm/mach-tegra/board-trimslice.c
index 89a6d2a..8489aa8 100644
--- a/arch/arm/mach-tegra/board-trimslice.c
+++ b/arch/arm/mach-tegra/board-trimslice.c
@@ -171,7 +171,7 @@
 }
 
 MACHINE_START(TRIMSLICE, "trimslice")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.fixup		= tegra_trimslice_fixup,
 	.map_io         = tegra_map_common_io,
 	.init_early	= tegra_init_early,
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
index 38741da..7034bae 100644
--- a/arch/arm/mach-u300/include/mach/memory.h
+++ b/arch/arm/mach-u300/include/mach/memory.h
@@ -16,7 +16,7 @@
 #ifdef CONFIG_MACH_U300_DUAL_RAM
 
 #define PLAT_PHYS_OFFSET		UL(0x48000000)
-#define BOOT_PARAMS_OFFSET	(PHYS_OFFSET + 0x100)
+#define BOOT_PARAMS_OFFSET		0x100
 
 #else
 
@@ -24,14 +24,14 @@
 #define PLAT_PHYS_OFFSET (0x28000000 + \
 	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
 	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
+#define BOOT_PARAMS_OFFSET (0x100 + \
+	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1)*1024*1024*2)
 #else
 #define PLAT_PHYS_OFFSET (0x28000000 + \
 	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE +	\
 	     (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
+#define BOOT_PARAMS_OFFSET 0x100
 #endif
-#define BOOT_PARAMS_OFFSET (0x28000000 + \
-	    (CONFIG_MACH_U300_ACCESS_MEM_SIZE +		\
-	    (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
 #endif
 
 #endif
diff --git a/arch/arm/mach-u300/u300.c b/arch/arm/mach-u300/u300.c
index 48b3b7f..80e7305 100644
--- a/arch/arm/mach-u300/u300.c
+++ b/arch/arm/mach-u300/u300.c
@@ -61,7 +61,7 @@
 
 MACHINE_START(U300, MACH_U300_STRING)
 	/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
-	.boot_params	= BOOT_PARAMS_OFFSET,
+	.atag_offset	= BOOT_PARAMS_OFFSET,
 	.map_io		= u300_map_io,
 	.reserve	= u300_reserve,
 	.init_irq	= u300_init_irq,
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index cd54aba..2cc4876 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -645,7 +645,7 @@
 
 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
 	/* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= u8500_map_io,
 	.init_irq	= ux500_init_irq,
 	/* we re-use nomadik timer here */
@@ -654,7 +654,7 @@
 MACHINE_END
 
 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= u8500_map_io,
 	.init_irq	= ux500_init_irq,
 	.timer		= &ux500_timer,
@@ -662,7 +662,7 @@
 MACHINE_END
 
 MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
-	.boot_params	= 0x100,
+	.atag_offset	= 0x100,
 	.map_io		= u8500_map_io,
 	.init_irq	= ux500_init_irq,
 	/* we re-use nomadik timer here */
diff --git a/arch/arm/mach-ux500/board-u5500.c b/arch/arm/mach-ux500/board-u5500.c
index e58f0f5..166d47a 100644
--- a/arch/arm/mach-ux500/board-u5500.c
+++ b/arch/arm/mach-ux500/board-u5500.c
@@ -118,7 +118,7 @@
 }
 
 MACHINE_START(U5500, "ST-Ericsson U5500 Platform")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= u5500_map_io,
 	.init_irq	= ux500_init_irq,
 	.timer		= &ux500_timer,
diff --git a/arch/arm/mach-versatile/versatile_ab.c b/arch/arm/mach-versatile/versatile_ab.c
index f8ae64b..fda4866 100644
--- a/arch/arm/mach-versatile/versatile_ab.c
+++ b/arch/arm/mach-versatile/versatile_ab.c
@@ -35,7 +35,7 @@
 
 MACHINE_START(VERSATILE_AB, "ARM-Versatile AB")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= versatile_map_io,
 	.init_early	= versatile_init_early,
 	.init_irq	= versatile_init_irq,
diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c
index 37c23df..feaf9cb 100644
--- a/arch/arm/mach-versatile/versatile_pb.c
+++ b/arch/arm/mach-versatile/versatile_pb.c
@@ -103,7 +103,7 @@
 
 MACHINE_START(VERSATILE_PB, "ARM-Versatile PB")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= versatile_map_io,
 	.init_early	= versatile_init_early,
 	.init_irq	= versatile_init_irq,
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 9e6b93b..de72058 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -436,7 +436,7 @@
 }
 
 MACHINE_START(VEXPRESS, "ARM-Versatile Express")
-	.boot_params	= PLAT_PHYS_OFFSET + 0x00000100,
+	.atag_offset	= 0x100,
 	.map_io		= v2m_map_io,
 	.init_early	= v2m_init_early,
 	.init_irq	= v2m_init_irq,
diff --git a/arch/arm/mach-vt8500/bv07.c b/arch/arm/mach-vt8500/bv07.c
index 94a261d..a464c75 100644
--- a/arch/arm/mach-vt8500/bv07.c
+++ b/arch/arm/mach-vt8500/bv07.c
@@ -68,7 +68,7 @@
 }
 
 MACHINE_START(BV07, "Benign BV07 Mini Netbook")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.reserve	= vt8500_reserve_mem,
 	.map_io		= vt8500_map_io,
 	.init_irq	= vt8500_init_irq,
diff --git a/arch/arm/mach-vt8500/wm8505_7in.c b/arch/arm/mach-vt8500/wm8505_7in.c
index e73aadb..cf910a9 100644
--- a/arch/arm/mach-vt8500/wm8505_7in.c
+++ b/arch/arm/mach-vt8500/wm8505_7in.c
@@ -68,7 +68,7 @@
 }
 
 MACHINE_START(WM8505_7IN_NETBOOK, "WM8505 7-inch generic netbook")
-	.boot_params	= 0x00000100,
+	.atag_offset	= 0x100,
 	.reserve	= wm8505_reserve_mem,
 	.map_io		= wm8505_map_io,
 	.init_irq	= wm8505_init_irq,
diff --git a/arch/arm/mach-w90x900/mach-nuc910evb.c b/arch/arm/mach-w90x900/mach-nuc910evb.c
index 30fccde..31c1090 100644
--- a/arch/arm/mach-w90x900/mach-nuc910evb.c
+++ b/arch/arm/mach-w90x900/mach-nuc910evb.c
@@ -34,7 +34,6 @@
 
 MACHINE_START(W90P910EVB, "W90P910EVB")
 	/* Maintainer: Wan ZongShun */
-	.boot_params	= 0,
 	.map_io		= nuc910evb_map_io,
 	.init_irq	= nuc900_init_irq,
 	.init_machine	= nuc910evb_init,
diff --git a/arch/arm/mach-w90x900/mach-nuc950evb.c b/arch/arm/mach-w90x900/mach-nuc950evb.c
index 590c99b..4062e55 100644
--- a/arch/arm/mach-w90x900/mach-nuc950evb.c
+++ b/arch/arm/mach-w90x900/mach-nuc950evb.c
@@ -37,7 +37,6 @@
 
 MACHINE_START(W90P950EVB, "W90P950EVB")
 	/* Maintainer: Wan ZongShun */
-	.boot_params	= 0,
 	.map_io		= nuc950evb_map_io,
 	.init_irq	= nuc900_init_irq,
 	.init_machine	= nuc950evb_init,
diff --git a/arch/arm/mach-w90x900/mach-nuc960evb.c b/arch/arm/mach-w90x900/mach-nuc960evb.c
index e09c645..0ab9995 100644
--- a/arch/arm/mach-w90x900/mach-nuc960evb.c
+++ b/arch/arm/mach-w90x900/mach-nuc960evb.c
@@ -34,7 +34,6 @@
 
 MACHINE_START(W90N960EVB, "W90N960EVB")
 	/* Maintainer: Wan ZongShun */
-	.boot_params	= 0,
 	.map_io		= nuc960evb_map_io,
 	.init_irq	= nuc900_init_irq,
 	.init_machine	= nuc960evb_init,