Change CONFIG_SKIP_LOWLEVEL_INIT to CONFIG_MACH_DO_LOWLEVEL_INIT

as we rather use positive logic. Make it dependent on boards that
have it rather than on ARM

Signed-off-by: Nishanth Menon <x0nishan@ti.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/Kconfig

@@ -89,6 +89,7 @@ config MACH_SCB9328
 	select HAS_DM9000
 	select HAS_CFI
 	select ARCH_IMX1
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the Synertronixx scb9328 board
 
@@ -96,6 +97,7 @@ config MACH_PCM038
 	bool "phyCORE-i.MX27"
 	select HAS_CFI
 	select ARCH_IMX27
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using Phytec's phyCORE-i.MX27 (pcm038) equipped
 	  with a Freescale i.MX27 Processor
@@ -104,6 +106,7 @@ config MACH_IMX27ADS
 	bool "Freescale i.MX27ADS"
 	select HAS_CFI
 	select ARCH_IMX27
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the Freescale i.MX27ads board equipped
 	  with a Freescale i.MX27 Processor
@@ -121,6 +124,7 @@ config MACH_NXDB500
 	select HAS_NETX_ETHER
 	select HAS_CFI
 	select ARCH_NETX
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the Hilscher Netx nxdb500 board
 

arch/arm/cpu/start-arm.S

@@ -156,7 +156,7 @@ reset:
 	 * because memory timing is board-dependend, you will
 	 * find a lowlevel_init.S in your board directory.
 	 */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+#ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
 	bl	board_init_lowlevel
 #endif
 

arch/m68k/Kconfig

@@ -84,6 +84,7 @@ config MACH_KPUKDR1_NUM
 	bool "konzeptpark UKD R1 + phyCore MCF5475 NUM"
 	select HAS_CFI
 	select ARCH_MCF54xx
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the konzeptpark UKD R1 with a
 	  Phytec Phycore PCM-024-NUM equipped with a Freescale MC5475 Processor
@@ -108,6 +109,7 @@ config MACH_PCM982_5485
 	bool "Phytec pcm982 + phyCore MCF5485"
 	select HAS_CFI
 	select ARCH_MCF54xx
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the Phytec Phycore PCM-024 equipped
 	  with a Freescale MC5485 Processor
@@ -116,6 +118,7 @@ config MACH_PCM982_5475
 	bool "Phytec pcm982 + phyCore MCF5475"
 	select HAS_CFI
 	select ARCH_MCF54xx
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the Phytec Phycore PCM-024 equipped
 	  with a Freescale MC5475 Processor
@@ -124,6 +127,7 @@ config MACH_PCM982_5475_NUM
 	bool "Phytec pcm982 + phyCore MCF5475 NUM"
 	select HAS_CFI
 	select ARCH_MCF54xx
+	select MACH_HAS_LOWLEVEL_INIT
 	help
 	  Say Y here if you are using the Phytec Phycore PCM-024 equipped
 	  with a Freescale MC5475 Processor (NUM Variant)

arch/m68k/cpu/start-mcfv4e.S

@@ -448,7 +448,7 @@ saveland:
 	 *
 	 * Do not jump/call other u-boot code here!
 	 */
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+#ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
 	bsr.l	board_init_lowlevel
 	nop
 #endif
@@ -512,7 +512,7 @@ skip_copy_vectors:
 	nop
 #endif
 
-#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+#ifdef CONFIG_MACH_DO_LOWLEVEL_INIT
 	/*
 	 * Call other half of initcode in relocated code
 	 *

common/Kconfig

@@ -65,6 +65,18 @@ config RELOCATABLE
 	  allowing it to relocate to the end of the available RAM. This
 	  way you have the whole memory in a single piece.
 
+config MACH_HAS_LOWLEVEL_INIT
+	bool
+
+config MACH_DO_LOWLEVEL_INIT
+	bool "run machine low-level init"
+	depends on MACH_HAS_LOWLEVEL_INIT
+	default y
+	help
+	  This entry enables SDRAM and other board low level initialization
+	  on many platforms. Disabling this option allows configurations to use
+	  U-boot as a second stage boot loader.
+
 config PROMPT
 	string
 	prompt "U-Boot command prompt"
@@ -216,14 +228,6 @@ config DEBUG_INFO
 	help
 	  Enable build of u-boot with -g.
 
-config SKIP_LOWLEVEL_INIT
-	bool
-	depends on ARM
-	prompt "Skip lowlevel init"
-	help
-	  This entry skips the SDRAM initialising on many ARM based boards.
-	  It enables using U-boot as a second stage bootloader.
-
 config ENABLE_FLASH_NOISE
 	bool
 	prompt "verbose flash handling"