arm: move flush_dcache_all() to just before disable cache

index 939de10..06119c8 100644
@@ -124,8 +124,11 @@ static void cache_disable(uint32_t cache_bit)
 			return;
 		/* if disabling data cache, disable mmu too */
 		cache_bit |= CR_M;
-		flush_dcache_all();
 	}
+	reg = get_cr();
+	cp_delay();
+	if (cache_bit == (CR_C | CR_M))
+		flush_dcache_all();
 	set_cr(reg & ~cache_bit);
 }
 #endif

index 2b9af93..41a26ed 100644
@@ -73,6 +73,7 @@ typedef	struct	global_data {
 	unsigned long	reloc_off;
 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
 	unsigned long	tlb_addr;
+	unsigned long	tlb_size;
 #endif
 	const void	*fdt_blob;	/* Our device tree, NULL if none */
 	void		**jt;		/* jump table */

index 22a4d9c..e03fc6d 100644
@@ -353,13 +353,14 @@ void board_init_f(ulong bootflag)
 
 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
 	/* reserve TLB table */
-	addr -= (4096 * 4);
+	gd->tlb_size = 4096 * 4;
+	addr -= gd->tlb_size;
 
 	/* round down to next 64 kB limit */
 	addr &= ~(0x10000 - 1);
 
 	gd->tlb_addr = addr;
-	debug("TLB table at: %08lx\n", addr);
+	debug("TLB table from %08lx to %08lx\n", addr, addr + gd->tlb_size);
 #endif
 
 	/* round down to next 4 kB limit */

index e03fc6d..262a3ca 100644
@@ -233,13 +233,12 @@ int power_init_board(void)
 
 init_fnc_t *init_sequence[] = {
 	arch_cpu_init,		/* basic arch cpu dependent setup */
-
-#if defined(CONFIG_BOARD_EARLY_INIT_F)
-	board_early_init_f,
-#endif
 #ifdef CONFIG_OF_CONTROL
 	fdtdec_check_fdt,
 #endif
+#if defined(CONFIG_BOARD_EARLY_INIT_F)
+	board_early_init_f,
+#endif
 	timer_init,		/* initialize timer */
 #ifdef CONFIG_BOARD_POSTCLK_INIT
 	board_postclk_init,

index 262a3ca..7d1927e 100644
@@ -40,6 +40,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <environment.h>
 #include <malloc.h>
 #include <stdio_dev.h>
 #include <version.h>

@@ -476,7 +477,28 @@ static char *failed = "*** failed ***\n";
 #endif
 
 /*
- ************************************************************************
+ * Tell if it's OK to load the environment early in boot.
+ *
+ * If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see
+ * if this is OK (defaulting to saying it's not OK).
+ *
+ * NOTE: Loading the environment early can be a bad idea if security is
+ *       important, since no verification is done on the environment.
+ *
+ * @return 0 if environment should not be loaded, !=0 if it is ok to load
+ */
+static int should_load_env(void)
+{
+#ifdef CONFIG_OF_CONTROL
+	return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 0);
+#elif defined CONFIG_DELAY_ENVIRONMENT
+	return 0;
+#else
+	return 1;
+#endif
+}
+
+/************************************************************************
  *
  * This is the next part if the initialization sequence: we are now
  * running from RAM and have a "normal" C environment, i. e. global

@@ -583,7 +605,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
 #endif
 
 	/* initialize environment */
-	env_relocate();
+	if (should_load_env())
+		env_relocate();
+	else
+		set_default_env(NULL);
 
 #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
 	arm_pci_init();

index 7d1927e..1d563bb 100644
@@ -498,6 +498,16 @@ static int should_load_env(void)
 #endif
 }
 
+#if defined(CONFIG_DISPLAY_BOARDINFO_LATE) && defined(CONFIG_OF_CONTROL)
+static void display_fdt_model(const void *blob)
+{
+	const char *model;
+
+	model = (char *)fdt_getprop(blob, 0, "model", NULL);
+	printf("Model: %s\n", model ? model : "<unknown>");
+}
+#endif
+
 /************************************************************************
  *
  * This is the next part if the initialization sequence: we are now

@@ -625,6 +635,15 @@ void board_init_r(gd_t *id, ulong dest_addr)
 
 	console_init_r();	/* fully init console as a device */
 
+#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
+# ifdef CONFIG_OF_CONTROL
+	/* Put this here so it appears on the LCD, now it is ready */
+	display_fdt_model(gd->fdt_blob);
+# else
+	checkboard();
+# endif
+#endif
+
 #if defined(CONFIG_ARCH_MISC_INIT)
 	/* miscellaneous arch dependent initialisations */
 	arch_misc_init();

index 4d64cff..0f3ffc8 100644
@@ -33,6 +33,9 @@
 #include <dataflash.h>
 #endif
 #include <watchdog.h>
+#include <linux/compiler.h>
+
+DECLARE_GLOBAL_DATA_PTR;
 
 static int mod_mem(cmd_tbl_t *, int, int, int, char * const []);
 

@@ -1203,6 +1206,22 @@ U_BOOT_CMD(
 
 #endif
 
+#ifdef CONFIG_CMD_MEMINFO
+__weak void board_show_dram(ulong size)
+{
+	puts("DRAM:  ");
+	print_size(size, "\n");
+}
+
+static int do_mem_info(cmd_tbl_t *cmdtp, int flag, int argc,
+		       char * const argv[])
+{
+	board_show_dram(gd->ram_size);
+
+	return 0;
+}
+#endif
+
 U_BOOT_CMD(
 	base,	2,	1,	do_mem_base,
 	"print or set address offset",

@@ -1243,3 +1262,11 @@ U_BOOT_CMD(
 	"[.b, .w, .l] address value delay(ms)"
 );
 #endif /* CONFIG_MX_CYCLIC */
+
+#ifdef CONFIG_CMD_MEMINFO
+U_BOOT_CMD(
+	meminfo,	3,	1,	do_mem_info,
+	"display memory information",
+	""
+);
+#endif

index 5e3c5ee..a1ab4f0 100644
@@ -311,6 +311,15 @@ int mac_read_from_eeprom(void);
 extern u8 _binary_dt_dtb_start[];	/* embedded device tree blob */
 int set_cpu_clk_info(void);
 
+/**
+ * Show the DRAM size in a board-specific way
+ *
+ * This is used by boards to display DRAM information in their own way.
+ *
+ * @param size	Size of DRAM (which should be displayed along with other info)
+ */
+void board_show_dram(ulong size);
+
 /* common/flash.c */
 void flash_perror (int);
 

index f434cd0..eadc8b7 100644
@@ -53,6 +53,7 @@
 #define CONFIG_CMD_LICENSE	/* console license display	*/
 #define CONFIG_CMD_LOADB	/* loadb			*/
 #define CONFIG_CMD_LOADS	/* loads			*/
+#define CONFIG_CMD_MEMINFO	/* meminfo			*/
 #define CONFIG_CMD_MEMORY	/* md mm nm mw cp cmp crc base loop mtest */
 #define CONFIG_CMD_MFSL		/* FSL support for Microblaze	*/
 #define CONFIG_CMD_MII		/* MII support			*/

index 1d563bb..0410dae 100644
@@ -232,8 +232,17 @@ int __power_init_board(void)
 int power_init_board(void)
 	__attribute__((weak, alias("__power_init_board")));
 
+	/* Record the board_init_f() bootstage (after arch_cpu_init()) */
+static int mark_bootstage(void)
+{
+	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
+
+	return 0;
+}
+
 init_fnc_t *init_sequence[] = {
 	arch_cpu_init,		/* basic arch cpu dependent setup */
+	mark_bootstage,
 #ifdef CONFIG_OF_CONTROL
 	fdtdec_check_fdt,
 #endif

@@ -277,8 +286,6 @@ void board_init_f(ulong bootflag)
 	void *new_fdt = NULL;
 	size_t fdt_size = 0;
 
-	bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
-
 	/* Pointer is writable since we allocated a register for it */
 	gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
 	/* compiler optimization barrier needed for GCC >= 3.4 */

index 0410dae..6f58d6c 100644
@@ -612,8 +612,8 @@ void board_init_r(gd_t *id, ulong dest_addr)
 #endif
 
 #ifdef CONFIG_GENERIC_MMC
-       puts("MMC:   ");
-       mmc_initialize(gd->bd);
+	puts("MMC:   ");
+	mmc_initialize(gd->bd);
 #endif
 
 #ifdef CONFIG_HAS_DATAFLASH