Convert CONFIG_MONITOR_IS_IN_RAM to Kconfig

This converts the following to Kconfig:
   CONFIG_MONITOR_IS_IN_RAM

As part of this, reword some of the documentation slightly to reflect
that this is in Kconfig and not a define now.

Signed-off-by: Tom Rini <trini@konsulko.com>

arch/Kconfig

@@ -380,6 +380,10 @@ config SYS_IMMR
 	  Address for the Internal Memory-Mapped Registers (IMMR) window used
 	  to configure the features of many Freescale / NXP SoCs.
 
+config MONITOR_IS_IN_RAM
+	bool "U-Boot is loaded in to RAM by a pre-loader"
+	depends on M68K || NIOS2
+
 config SKIP_LOWLEVEL_INIT
 	bool "Skip the calls to certain low level initialization functions"
 	depends on ARM || MIPS || RISCV

board/cobra5272/README

@@ -77,21 +77,16 @@ in dir ./u-boot-x-x-x/
 
 please first check:
 
-	in ./include/configs/cobra5272.h
+	in ./configs/cobra5272_defconfig
 
-		CONFIG_MONITOR_IS_IN_RAM has to be undefined, e. g. as follows:
+		CONFIG_MONITOR_IS_IN_RAM has to be not present in the file
-
-		#if 0
-			#define CONFIG_MONITOR_IS_IN_RAM
-			/* define if monitor is started from a pre-loader */
-		#endif
 
 	=> u-boot as single bootloader starting from flash
 
 
-	in board/cobra5272/config.mk CONFIG_TEXT_BASE should be
+	in configs/cobra5272_defconfig CONFIG_TEXT_BASE should be
 
-		CONFIG_TEXT_BASE = 0xffe00000
+		CONFIG_TEXT_BASE=0xffe00000
 
 	=> linking address for u-boot as single bootloader stored in flash
 
@@ -115,22 +110,18 @@ in dir ./u-boot-x-x-x/
 	host> make distclean
 
 please modify the settings:
+	in ./configs/cobra5272_defconfig
 
-	in ./include/configs/cobra5272.h
+		CONFIG_MONITOR_IS_IN_RAM now has to be enabled, e. g. as follows:
 
-		CONFIG_MONITOR_IS_IN_RAM now has to be defined, e. g. as follows:
+		CONFIG_MONITOR_IS_IN_RAM=y
-
-		#if 1
-			#define CONFIG_MONITOR_IS_IN_RAM
-			/*define if monitor is started from a pre-loader */
-		#endif
 
 	=> u-boot as RAM version, chainloaded by another bootloader or using bdm cable
 
 
-	in board/cobra5272/config.mk CONFIG_TEXT_BASE should be
+	in configs/cobra5272_defconfig CONFIG_TEXT_BASE should be
 
-		CONFIG_TEXT_BASE = 0x00020000
+		CONFIG_TEXT_BASE=0x00020000
 
 	=> target linking address for RAM
 

configs/10m50_defconfig

@@ -1,5 +1,6 @@
 CONFIG_NIOS2=y
 CONFIG_SYS_CONFIG_NAME="10m50_devboard"
+CONFIG_MONITOR_IS_IN_RAM=y
 CONFIG_SYS_MALLOC_LEN=0x20000
 CONFIG_SYS_MALLOC_F_LEN=0x400
 CONFIG_NR_DRAM_BANKS=1

configs/3c120_defconfig

@@ -1,5 +1,6 @@
 CONFIG_NIOS2=y
 CONFIG_SYS_CONFIG_NAME="3c120_devboard"
+CONFIG_MONITOR_IS_IN_RAM=y
 CONFIG_SYS_MALLOC_LEN=0x20000
 CONFIG_SYS_MALLOC_F_LEN=0x400
 CONFIG_NR_DRAM_BANKS=1

doc/arch/m68k.rst

@@ -93,10 +93,10 @@ Configuration to use a pre-loader
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 If U-Boot should be loaded to RAM and started by a pre-loader
-CONFIG_MONITOR_IS_IN_RAM must be defined. If it is defined the
+CONFIG_MONITOR_IS_IN_RAM must be enabled. If it is enabled the
 initial vector table and basic processor initialization will not
 be compiled in. The start address of U-Boot must be adjusted in
-the boards config header file (CONFIG_SYS_MONITOR_BASE) and Makefile
+the boards defconfig file (CONFIG_SYS_MONITOR_BASE) and Makefile
 (CONFIG_TEXT_BASE) to the load address.
 
 ColdFire CPU specific options/settings

include/configs/10m50_devboard.h

@@ -32,6 +32,5 @@
  */
 #define CFG_SYS_SDRAM_BASE		0xc8000000
 #define CFG_SYS_SDRAM_SIZE		0x08000000
-#define CONFIG_MONITOR_IS_IN_RAM
 
 #endif /* __CONFIG_H */

include/configs/3c120_devboard.h

@@ -28,6 +28,5 @@
  */
 #define CFG_SYS_SDRAM_BASE		0xD0000000
 #define CFG_SYS_SDRAM_SIZE		0x08000000
-#define CONFIG_MONITOR_IS_IN_RAM
 
 #endif /* __CONFIG_H */

include/configs/M5249EVB.h

@@ -20,8 +20,6 @@
 
 #define CFG_SYS_UART_PORT		(0)
 
-#undef CONFIG_MONITOR_IS_IN_RAM		/* no pre-loader required!!! ;-) */
-
 /*
  * Clock configuration: enable only one of the following options
  */

include/configs/M5272C3.h

@@ -19,8 +19,6 @@
 
 #define CFG_SYS_UART_PORT		(0)
 
-#undef CONFIG_MONITOR_IS_IN_RAM	/* define if monitor is started from a pre-loader */
-
 /* Configuration for environment
  * Environment is embedded in u-boot in the second sector of the flash
  */

include/configs/M5282EVB.h

@@ -19,8 +19,6 @@
 
 #define CFG_SYS_UART_PORT		(0)
 
-#undef	CONFIG_MONITOR_IS_IN_RAM	/* define if monitor is started from a pre-loader */
-
 /* Configuration for environment
  * Environment is embedded in u-boot in the second sector of the flash
  */

include/configs/astro_mcf5373l.h

@@ -38,16 +38,6 @@
 #error No card type defined!
 #endif
 
-/*
- * CONFIG_RAM defines if u-boot is loaded via BDM (or started from
- * a different bootloader that has already performed RAM setup) or
- * started directly from flash, which is the regular case for production
- * boards.
- */
-#ifdef CONFIG_RAM
-#define CONFIG_MONITOR_IS_IN_RAM
-#endif
-
 /* I2C */
 
 /*
@@ -69,21 +59,6 @@
 #define CFG_SYS_UART_PORT		(2)
 #define CFG_SYS_UART2_ALT3_GPIO
 
-/*
- * Configuration for environment
- * Environment is located in the last sector of the flash
- */
-
-#ifndef CONFIG_MONITOR_IS_IN_RAM
-#else
-/*
- * environment in RAM - This is used to use a single PC-based application
- * to load an image, load U-Boot, load an environment and then start U-Boot
- * to execute the commands from the environment. Feedback is done via setting
- * and reading memory locations.
- */
-#endif
-
 /* here we put our FPGA configuration... */
 
 /* Define user parameters that have to be customized most likely */

include/configs/cobra5272.h

@@ -42,27 +42,6 @@
 
 #define CFG_SYS_UART_PORT		(0)
 
-/* ---
- * CONFIG_MONITOR_IS_IN_RAM defines if u-boot is started from a different
- * bootloader residing in flash ('chainloading'); if you want to use
- * chainloading or want to compile a u-boot binary that can be loaded into
- * RAM via BDM set
- *	"#if 0" to "#if 1"
- * You will need a first stage bootloader then, e. g. colilo or a working BDM
- * cable (Background Debug Mode)
- *
- * Setting #if 0: u-boot will start from flash and relocate itself to RAM
- *
- * Please do not forget to modify the setting of CONFIG_TEXT_BASE
- * in board/cobra5272/config.mk accordingly (#if 0: 0xffe00000; #if 1: 0x20000)
- *
- * ---
- */
-
-#if 0
-#define CONFIG_MONITOR_IS_IN_RAM /* monitor is started from a preloader */
-#endif
-
 /* ---
  * Configuration for environment
  * Environment is embedded in u-boot in the second sector of the flash

include/configs/eb_cpu5282.h

@@ -14,8 +14,6 @@
 
 #define CFG_SYS_UART_PORT		(0)
 
-#undef	CONFIG_MONITOR_IS_IN_RAM		/* starts uboot direct */
-
 /*----------------------------------------------------------------------*
  * Options								*
  *----------------------------------------------------------------------*/