diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 26257df19b63c7f40b963e27ee0176269b8606d9..d40da5f1f37baa6ab800cf6dd8053745f9ae61f8 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -447,7 +447,7 @@ static void __init assabet_map_io(void)
 
 
 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 b4311b0a4395d0fd3b6e6b2e71a0bd514263e15f..bda83e1ab0780e0d9bc44b46bc0a8b4ffde2313b 100644
--- a/arch/arm/mach-sa1100/badge4.c
+++ b/arch/arm/mach-sa1100/badge4.c
@@ -302,7 +302,7 @@ static void __init badge4_map_io(void)
 }
 
 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 03d7376cf8a0a57e50dca58bc56d68d7868713e8..b30733a2b82e280e9b507d67721de96eb5799549 100644
--- a/arch/arm/mach-sa1100/h3100.c
+++ b/arch/arm/mach-sa1100/h3100.c
@@ -84,7 +84,7 @@ static void __init h3100_mach_init(void)
 }
 
 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 965f64a836f8b13f22d1f26680403d26f2a9db40..6fd324d923895b8c3688b30d87b11506300fa500 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -125,7 +125,7 @@ static void __init h3600_mach_init(void)
 }
 
 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 db5e434a17dbf5de939030112149e199eb4523ff..30f4a551b8e56027dba638c865387ca601bccc40 100644
--- a/arch/arm/mach-sa1100/hackkit.c
+++ b/arch/arm/mach-sa1100/hackkit.c
@@ -195,7 +195,7 @@ static void __init hackkit_init(void)
  */
 
 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 176c066aec7e756ce24f04f33d0da4bbb8d53b0d..0bb520d48ed0909c8876809572832c0a58fe59a8 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -364,7 +364,7 @@ static void __init jornada720_mach_init(void)
 
 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 7b9556b59057b9c575d72a24129b60129b4be93a..5bc59d0947ba40ecf2df0e3fa996c41fe38a0790 100644
--- a/arch/arm/mach-sa1100/lart.c
+++ b/arch/arm/mach-sa1100/lart.c
@@ -61,7 +61,7 @@ static void __init lart_map_io(void)
 }
 
 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 72087f0658b774dce273dab279e37f141ef512d3..032f3881d145174cf00838fda285d893492a87dd 100644
--- a/arch/arm/mach-sa1100/nanoengine.c
+++ b/arch/arm/mach-sa1100/nanoengine.c
@@ -111,7 +111,7 @@ static void __init nanoengine_init(void)
 }
 
 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 7917b2405579961f3e6968d241d8740b9eb4e189..1cccbf5b9e9abbefa1332f938ff7761230cbd03d 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -82,7 +82,7 @@ static void __init shannon_map_io(void)
 }
 
 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 cfb76077bd25a19e35e2b1a98134c8896b4b4c74..a1c2427655da6fc2713239776f2b96604066d0cd 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -229,7 +229,7 @@ arch_initcall(simpad_init);
 
 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,