i386: Fix malloc initialization

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>

common/dlmalloc.c

@@ -1522,11 +1522,6 @@ void *sbrk(ptrdiff_t increment)
 	return (void *)old;
 }
 
-#ifndef CONFIG_X86
-/*
- * x86 boards use a slightly different init sequence thus they implement
- * their own version of mem_malloc_init()
- */
 void mem_malloc_init(ulong start, ulong size)
 {
 	mem_malloc_start = start;
@@ -1535,7 +1530,6 @@ void mem_malloc_init(ulong start, ulong size)
 
 	memset((void *)mem_malloc_start, 0, size);
 }
-#endif
 
 /* field-extraction macros */
 

include/configs/eNET.h

@@ -61,7 +61,7 @@
 /*
  * Size of malloc() pool
  */
-#define CONFIG_MALLOC_SIZE	(CONFIG_SYS_ENV_SIZE + 128*1024)
+#define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + 128*1024)
 
 #define CONFIG_BAUDRATE		9600
 

include/configs/sc520_cdp.h

@@ -65,7 +65,7 @@
 /*
  * Size of malloc() pool
  */
-#define CONFIG_MALLOC_SIZE	(CONFIG_ENV_SIZE + 128*1024)
+#define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + 128*1024)
 
 #define CONFIG_BAUDRATE		9600
 

include/configs/sc520_spunk.h

@@ -63,7 +63,7 @@
 /*
  * Size of malloc() pool
  */
-#define CONFIG_MALLOC_SIZE	(CONFIG_ENV_SIZE + 128*1024)
+#define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + 128*1024)
 
 
 #define CONFIG_BAUDRATE		9600

lib_i386/board.c

@@ -77,17 +77,16 @@ ulong i386boot_bios_size     = (ulong)&_i386boot_bios_size;     /* size of BIOS
 const char version_string[] =
 	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")";
 
-static int mem_malloc_init(void)
+static int heap_init(void)
 {
 	/* start malloc area right after the stack */
-	mem_malloc_start = i386boot_bss_start +
-		i386boot_bss_size + CONFIG_SYS_STACK_SIZE;
-	mem_malloc_start = (mem_malloc_start+3)&~3;
+	ulong start = i386boot_bss_start + i386boot_bss_size +
+			CONFIG_SYS_STACK_SIZE;
 
-	/* Use all available RAM for malloc() */
-	mem_malloc_end = gd->ram_size;
+	/* 4-byte aligned */
+	start = (start+3)&~3;
 
-	mem_malloc_brk = mem_malloc_start;
+	mem_malloc_init(start, CONFIG_SYS_MALLOC_LEN);
 
 	return 0;
 }
@@ -184,7 +183,7 @@ init_fnc_t *init_sequence[] = {
 	cpu_init,		/* basic cpu dependent setup */
 	board_init,		/* basic board dependent setup */
 	dram_init,		/* configure available RAM banks */
-	mem_malloc_init,        /* dependant on dram_init */
+	heap_init,		/* dependant on dram_init */
 	interrupt_init,		/* set up exceptions */
 	timer_init,
 	serial_init,