ARM: versatile: fix board support

Versatile board is used as example to run u-boot under qemu.
The patch fixes relocation for all versatile boards and adds
a versatileqemu target to be used under qemu.

Patch tested only under qemu, not on real boards.
Tested with QEMU emulator version 0.14.50.
Signed-off-by: NStefano Babic <sbabic@denx.de>
CC: Alessandro Rubini  <rubini-list@gnudd.com>
CC: Loïc Minier <loic.minier@linaro.org>

Makefile

@@ -933,15 +933,6 @@ edb9315_config \
 edb9315a_config: unconfig
 	@$(MKCONFIG) -n $@ -t $(@:_config=) edb93xx arm arm920t edb93xx - ep93xx
 
-#########################################################################
-# ARM supplied Versatile development boards
-#########################################################################
-
-versatile_config	\
-versatileab_config	\
-versatilepb_config :	unconfig
-	@board/armltd/versatile/split_by_variant.sh $@
-
 #########################################################################
 ## XScale Systems
 #########################################################################

board/armltd/versatile/config.mk

-#
-# image should be loaded at 0x01000000
-#
-
-CONFIG_SYS_TEXT_BASE = 0x01000000

board/armltd/versatile/versatile.c

@@ -51,7 +51,7 @@ void show_boot_progress(int progress)
  * Miscellaneous platform dependent initialisations
  */
 
-int board_init (void)
+int board_early_init_f (void)
 {
 	/*
 	 * set clock frequency:
@@ -62,6 +62,11 @@ int board_init (void)
 	  ((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) |
 	   (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel));
 
+	return 0;
+}
+
+int board_init (void)
+{
 	/* arch number of Versatile Board */
 	gd->bd->bi_arch_number = MACH_TYPE_VERSATILE_PB;
 
@@ -88,6 +93,9 @@ int misc_init_r (void)
 ******************************/
 int dram_init (void)
 {
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
+				PHYS_SDRAM_1_SIZE);
 	return 0;
 }
 

boards.cfg

@@ -71,6 +71,9 @@ smdk2410                     arm         arm920t     -                   samsung
 netstar                      arm         arm925t
 voiceblue                    arm         arm925t
 omap1510inn                  arm         arm925t     -                   ti
+versatileqemu                arm         arm926ejs   versatile           armltd         versatile   versatile:ARCH_VERSATILE_QEMU
+versatilepb                  arm         arm926ejs   versatile           armltd         versatile   versatile:ARCH_VERSATILE_PB
+versatileab                  arm         arm926ejs   versatile           armltd         versatile   versatile:ARCH_VERSATILE_AB
 aspenite                     arm         arm926ejs   -                   Marvell        armada100
 afeb9260                     arm         arm926ejs   -                   -              at91
 at91cap9adk                  arm         arm926ejs   -                   atmel          at91

include/configs/versatile.h

@@ -74,6 +74,7 @@
 /*
  * Size of malloc() pool
  */
+#define CONFIG_ENV_SIZE			8192
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128 * 1024)
 
 /*
@@ -168,9 +169,26 @@
 #define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB */
 #define PHYS_FLASH_SIZE		0x04000000	/* 64MB */
 
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_SYS_INIT_RAM_ADDR	0x00800000
+#define CONFIG_SYS_INIT_RAM_SIZE	0x000FFFFF
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_SIZE - \
+						GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_INIT_RAM_ADDR + \
+						CONFIG_SYS_GBL_DATA_OFFSET)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
 /*-----------------------------------------------------------------------
  * FLASH and environment organization
  */
+#ifdef CONFIG_ARCH_VERSATILE_QEMU
+#define CONFIG_SYS_TEXT_BASE		0x10000
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_SYS_MONITOR_LEN		0x80000
+#else
+#define CONFIG_SYS_TEXT_BASE		0x01000000
 /*
  * Use the CFI flash driver for ease of use
  */
@@ -222,7 +240,6 @@
 /* The ARM Boot Monitor is shipped in the lowest sector of flash */
 
 #define FLASH_TOP			(CONFIG_SYS_FLASH_BASE + PHYS_FLASH_SIZE)
-#define CONFIG_ENV_SIZE			8192
 #define CONFIG_ENV_ADDR			(FLASH_TOP - CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_OFFSET		(CONFIG_ENV_ADDR - CONFIG_SYS_FLASH_BASE)
 #define CONFIG_SYS_MONITOR_BASE		(CONFIG_ENV_ADDR - CONFIG_SYS_MONITOR_LEN)
@@ -230,4 +247,6 @@
 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
 
+#endif
+
 #endif	/* __CONFIG_H */