Change CONFIG_LB_MEM_TOPK to CONFIG_RAMTOP to match CONFIG_RAMBASE.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4788 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/Kconfig b/src/Kconfig
index a06b43b..a70a773 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -134,9 +134,9 @@
 	bool
 	default n
 
-config LB_MEM_TOPK
+config RAMTOP
 	hex
-	default 0x800
+	default 0x200000
 
 config COMPRESSED_PAYLOAD_LZMA
 	bool
diff --git a/src/config/Options.lb b/src/config/Options.lb
index cd1dc76..d264c59 100644
--- a/src/config/Options.lb
+++ b/src/config/Options.lb
@@ -360,11 +360,11 @@
 	export always
 	comment "Set for uncompressed image"
 end
-define CONFIG_LB_MEM_TOPK
+define CONFIG_RAMTOP
 	format "%d"
-	default 2048
+	default 2048*1024
 	export always
-	comment "Kilobytes of memory to initialized before executing code from RAM"
+	comment "Highest RAM that coreboot_ram will use"
 end
 define CONFIG_HAVE_OPTION_TABLE
 	default 0
diff --git a/src/config/coreboot_ram.ld b/src/config/coreboot_ram.ld
index 5e988ff..afdf8a5 100644
--- a/src/config/coreboot_ram.ld
+++ b/src/config/coreboot_ram.ld
@@ -103,8 +103,8 @@
 	_stack = .;
 	.stack . : {
 		/* Reserve a stack for each possible cpu */
-		/* the stack for ap will be put after pgtbl in 1M to CONFIG_LB_MEM_TOPK range when VGA and ROM_RUN and CONFIG_LB_MEM_TOPK>1024*/
-		. = ((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN)&&(CONFIG_RAMBASE<0x100000)&&(CONFIG_LB_MEM_TOPK>(0x100000>>10)) ) ? CONFIG_STACK_SIZE : (CONFIG_MAX_CPUS*CONFIG_STACK_SIZE);
+		/* the stack for ap will be put after pgtbl in 1M to CONFIG_RAMTOP range when VGA and ROM_RUN and CONFIG_RAMTOP>1M*/
+		. = ((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN)&&(CONFIG_RAMBASE<0x100000)&&(CONFIG_RAMTOP>0x100000) ) ? CONFIG_STACK_SIZE : (CONFIG_MAX_CPUS*CONFIG_STACK_SIZE);
 	}
 	_estack = .;
         _heap = .;
@@ -120,9 +120,9 @@
 	_ram_seg = _text; 
 	_eram_seg = _eheap;
 
-	_bogus = ASSERT( ( (_eram_seg>>10) < (CONFIG_LB_MEM_TOPK)) , "please increase CONFIG_LB_MEM_TOPK");
+	_bogus = ASSERT( ( _eram_seg < (CONFIG_RAMTOP)) , "please increase CONFIG_RAMTOP");
 
-        _bogus = ASSERT( !((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN) && ((_ram_seg<0xa0000) && (_eram_seg>0xa0000))) , "please increase CONFIG_LB_MEM_TOPK and if still fail, try to set CONFIG_RAMBASE more than 1M");
+        _bogus = ASSERT( !((CONFIG_CONSOLE_VGA || CONFIG_PCI_ROM_RUN) && ((_ram_seg<0xa0000) && (_eram_seg>0xa0000))) , "please increase CONFIG_RAMTOP and if still fail, try to set CONFIG_RAMBASE more than 1M");
 
 	/DISCARD/ : {
 		*(.comment)
diff --git a/src/console/usbdebug_direct_console.c b/src/console/usbdebug_direct_console.c
index 388715c..d100659 100644
--- a/src/console/usbdebug_direct_console.c
+++ b/src/console/usbdebug_direct_console.c
@@ -53,7 +53,7 @@
 	 * debug_info data structure to our version defined above. */
 
 	dbg_infox = (struct ehci_debug_info *)
-		((CONFIG_LB_MEM_TOPK << 10) - sizeof(struct ehci_debug_info));
+		((CONFIG_RAMTOP) - sizeof(struct ehci_debug_info));
 
 	memcpy(&dbg_info, dbg_infox, sizeof(struct ehci_debug_info));
 }
diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc
index 5641682..dcd3574 100644
--- a/src/cpu/amd/car/cache_as_ram.inc
+++ b/src/cpu/amd/car/cache_as_ram.inc
@@ -246,7 +246,7 @@
 	/* enable memory access for first MBs using top_mem */
 	movl	$TOP_MEM, %ecx
 	xorl	%edx, %edx
-	movl	$(((CONFIG_LB_MEM_TOPK << 10) + TOP_MEM_MASK) & ~TOP_MEM_MASK) , %eax
+	movl	$(((CONFIG_RAMTOP) + TOP_MEM_MASK) & ~TOP_MEM_MASK) , %eax
 	wrmsr
 #endif /*  CONFIG_USE_FAILOVER_IMAGE == 1*/
 
diff --git a/src/cpu/amd/car/clear_init_ram.c b/src/cpu/amd/car/clear_init_ram.c
index 0b50480..624e0fe 100644
--- a/src/cpu/amd/car/clear_init_ram.c
+++ b/src/cpu/amd/car/clear_init_ram.c
@@ -9,15 +9,15 @@
 
 #if CONFIG_HAVE_ACPI_RESUME == 1
 	/* clear only coreboot used region of memory. Note: this may break ECC enabled boards */
-	clear_memory( CONFIG_RAMBASE,  (CONFIG_LB_MEM_TOPK << 10) -  CONFIG_RAMBASE - CONFIG_DCACHE_RAM_SIZE);
+	clear_memory( CONFIG_RAMBASE, (CONFIG_RAMTOP) - CONFIG_RAMBASE - CONFIG_DCACHE_RAM_SIZE);
 #else
-        clear_memory(0,  ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_SIZE));
+        clear_memory(0, ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_SIZE));
 #endif
 }
 
 /* be warned, this file will be used by core other than core 0/node 0 or core0/node0 when cpu_reset*/
 static void set_init_ram_access(void)
 {
-	set_var_mtrr(0, 0x00000000, CONFIG_LB_MEM_TOPK << 10, MTRR_TYPE_WRBACK);
+	set_var_mtrr(0, 0x00000000, CONFIG_RAMTOP, MTRR_TYPE_WRBACK);
 }
 
diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c
index c42e833..611f78d 100644
--- a/src/cpu/amd/car/post_cache_as_ram.c
+++ b/src/cpu/amd/car/post_cache_as_ram.c
@@ -56,13 +56,13 @@
 	print_debug_pcar("testx = ", testx);
 
 	/* copy data from cache as ram to 
-		ram need to set CONFIG_LB_MEM_TOPK to 2048 and use var mtrr instead.
+		ram need to set CONFIG_RAMTOP to 2M and use var mtrr instead.
 	 */
-#if CONFIG_LB_MEM_TOPK <= 1024
-        #error "You need to set CONFIG_LB_MEM_TOPK greater than 1024"
+#if CONFIG_RAMTOP <= 0x100000
+        #error "You need to set CONFIG_RAMTOP greater than 1M"
 #endif
 	
-	set_init_ram_access(); /* So we can access RAM from [1M, CONFIG_LB_MEM_TOPK) */
+	set_init_ram_access(); /* So we can access RAM from [1M, CONFIG_RAMTOP) */
 
 //	dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x8000, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x7c00);
 	print_debug("Copying data from cache to RAM -- switching to use RAM as stack... ");
@@ -76,14 +76,14 @@
         );
 #endif
 
-        memcopy((void *)((CONFIG_LB_MEM_TOPK<<10)-CONFIG_DCACHE_RAM_SIZE), (void *)CONFIG_DCACHE_RAM_BASE, CONFIG_DCACHE_RAM_SIZE); //inline
-//        dump_mem((CONFIG_LB_MEM_TOPK<<10) - 0x8000, (CONFIG_LB_MEM_TOPK<<10) - 0x7c00);
+        memcopy((void *)((CONFIG_RAMTOP)-CONFIG_DCACHE_RAM_SIZE), (void *)CONFIG_DCACHE_RAM_BASE, CONFIG_DCACHE_RAM_SIZE); //inline
+//        dump_mem((CONFIG_RAMTOP) - 0x8000, (CONFIG_RAMTOP) - 0x7c00);
 
         __asm__ volatile (
                 /* set new esp */ /* before CONFIG_RAMBASE */
                 "subl   %0, %%ebp\n\t"
                 "subl   %0, %%esp\n\t"
-                ::"a"( (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE)- (CONFIG_LB_MEM_TOPK<<10) )
+                ::"a"( (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE)- (CONFIG_RAMTOP) )
         ); // We need to push %eax to the stack (CAR) before copy stack and pop it later after copy stack and change esp
 #if 0
         __asm__ volatile (
@@ -102,10 +102,10 @@
 	disable_cache_as_ram_bsp();  
 
         print_debug("Clearing initial memory region: ");
-        clear_init_ram(); //except the range from [(CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_SIZE, (CONFIG_LB_MEM_TOPK<<10))
+        clear_init_ram(); //except the range from [(CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_SIZE, (CONFIG_RAMTOP))
         print_debug("Done\r\n");
 
-//	dump_mem((CONFIG_LB_MEM_TOPK<<10) - 0x8000, (CONFIG_LB_MEM_TOPK<<10) - 0x7c00);
+//	dump_mem((CONFIG_RAMTOP) - 0x8000, (CONFIG_RAMTOP) - 0x7c00);
 
 #ifndef CONFIG_MEM_TRAIN_SEQ
 #define CONFIG_MEM_TRAIN_SEQ 0
@@ -113,7 +113,7 @@
         set_sysinfo_in_ram(1); // So other core0 could start to train mem
 
 #if CONFIG_MEM_TRAIN_SEQ == 1
-//	struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
+//	struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
 
         // wait for ap memory to trained
 //        wait_all_core0_mem_trained(sysinfox); // moved to lapic_init_cpus.c
diff --git a/src/cpu/amd/model_fxx/model_fxx_init.c b/src/cpu/amd/model_fxx/model_fxx_init.c
index d183bf8..8b68098 100644
--- a/src/cpu/amd/model_fxx/model_fxx_init.c
+++ b/src/cpu/amd/model_fxx/model_fxx_init.c
@@ -33,7 +33,7 @@
 void cpus_ready_for_init(void)
 {
 #if CONFIG_MEM_TRAIN_SEQ == 1
-        struct sys_info *sysinfox = (struct sys_info *)((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
+        struct sys_info *sysinfox = (struct sys_info *)((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
         // wait for ap memory to trained
         wait_all_core0_mem_trained(sysinfox);
 #endif
@@ -182,7 +182,7 @@
 	msr.lo = 0x00000000 | MTRR_TYPE_WRBACK;
 	wrmsr(MTRRphysBase_MSR(0), msr);
 	msr.hi = 0x000000ff;
-	msr.lo = ~((CONFIG_LB_MEM_TOPK << 10) - 1) | 0x800;
+	msr.lo = ~((CONFIG_RAMTOP) - 1) | 0x800;
 	wrmsr(MTRRphysMask_MSR(0), msr);
 
 	/* Set the default type to write combining */
@@ -308,8 +308,8 @@
 
 	/* Don't start too early */
 	begink = startk;
-	if (begink < CONFIG_LB_MEM_TOPK) { 
-		begink = CONFIG_LB_MEM_TOPK;
+	if (begink < (CONFIG_RAMTOP >> 10)) {
+		begink = (CONFIG_RAMTOP >>10);
 	}
 
 	printk_debug("Clearing memory %luK - %luK: ", begink, endk);
diff --git a/src/cpu/amd/mtrr/amd_earlymtrr.c b/src/cpu/amd/mtrr/amd_earlymtrr.c
index c633c95..8b06b5e 100644
--- a/src/cpu/amd/mtrr/amd_earlymtrr.c
+++ b/src/cpu/amd/mtrr/amd_earlymtrr.c
@@ -38,7 +38,7 @@
 
         /* Enable memory access for 0 - 1MB using top_mem */
         msr.hi = 0;
-        msr.lo = (((CONFIG_LB_MEM_TOPK << 10) + TOP_MEM_MASK) & ~TOP_MEM_MASK);
+        msr.lo = (((CONFIG_RAMTOP) + TOP_MEM_MASK) & ~TOP_MEM_MASK);
         wrmsr(TOP_MEM, msr);
 
 #if defined(CONFIG_XIP_ROM_SIZE)
diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c
index 7d071cd..4bf5468 100644
--- a/src/cpu/x86/lapic/lapic_cpu_init.c
+++ b/src/cpu/x86/lapic/lapic_cpu_init.c
@@ -246,17 +246,17 @@
 	index = ++last_cpu_index;
 	
 	/* Find end of the new processors stack */
-#if (CONFIG_LB_MEM_TOPK>1024) && (CONFIG_RAMBASE < 0x100000) && ((CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1))
+#if (CONFIG_RAMTOP>0x100000) && (CONFIG_RAMBASE < 0x100000) && ((CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1))
 	if(index<1) { // only keep bsp on low 
 		stack_end = ((unsigned long)_estack) - (CONFIG_STACK_SIZE*index) - sizeof(struct cpu_info);
 	} else {
 		// for all APs, let use stack after pgtbl, 20480 is the pgtbl size for every cpu
 		stack_end = 0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS - (CONFIG_STACK_SIZE*index);
-#if (0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS) > (CONFIG_LB_MEM_TOPK<<10)
-		#warning "We may need to increase CONFIG_LB_MEM_TOPK, it need to be more than (0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS)\n"
+#if (0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS) > (CONFIG_RAMTOP)
+		#warning "We may need to increase CONFIG_RAMTOP, it need to be more than (0x100000+(20480 + CONFIG_STACK_SIZE)*CONFIG_MAX_CPUS)\n"
 #endif
-		if(stack_end > (CONFIG_LB_MEM_TOPK<<10)) {
-			printk_debug("start_cpu: Please increase the CONFIG_LB_MEM_TOPK more than %luK\n", stack_end>>10);
+		if(stack_end > (CONFIG_RAMTOP)) {
+			printk_debug("start_cpu: Please increase the CONFIG_RAMTOP more than %luK\n", stack_end);
 			die("Can not go on\n");
 		}
 		stack_end -= sizeof(struct cpu_info);
diff --git a/src/cpu/x86/mtrr/earlymtrr.c b/src/cpu/x86/mtrr/earlymtrr.c
index cff99b8..ff37521 100644
--- a/src/cpu/x86/mtrr/earlymtrr.c
+++ b/src/cpu/x86/mtrr/earlymtrr.c
@@ -11,8 +11,8 @@
 #if defined(CONFIG_XIP_ROM_BASE) && !defined(CONFIG_XIP_ROM_SIZE)
 # error "CONFIG_XIP_ROM_BASE without CONFIG_XIP_ROM_SIZE"
 #endif
-#if !defined(CONFIG_LB_MEM_TOPK)
-# error "CONFIG_LB_MEM_TOPK not defined"
+#if !defined(CONFIG_RAMTOP)
+# error "CONFIG_RAMTOP not defined"
 #endif
 
 #if defined(CONFIG_XIP_ROM_SIZE) && ((CONFIG_XIP_ROM_SIZE & (CONFIG_XIP_ROM_SIZE -1)) != 0)
@@ -22,8 +22,8 @@
 # error "CONFIG_XIP_ROM_BASE is not a multiple of CONFIG_XIP_ROM_SIZE"
 #endif
 
-#if (CONFIG_LB_MEM_TOPK & (CONFIG_LB_MEM_TOPK -1)) != 0
-# error "CONFIG_LB_MEM_TOPK must be a power of 2"
+#if (CONFIG_RAMTOP & (CONFIG_RAMTOP -1)) != 0
+# error "CONFIG_RAMTOP must be a power of 2"
 #endif
 
 static void disable_var_mtrr(unsigned reg)
@@ -75,7 +75,7 @@
 {
 	/* Enable caching for 0 - 1MB using variable mtrr */
 	disable_cache();
-	set_var_mtrr(0, 0x00000000, CONFIG_LB_MEM_TOPK << 10, type);
+	set_var_mtrr(0, 0x00000000, CONFIG_RAMTOP, type);
 	enable_cache();
 }
 
diff --git a/src/cpu/x86/pae/pgtbl.c b/src/cpu/x86/pae/pgtbl.c
index 95c2ad7..8919f0e 100644
--- a/src/cpu/x86/pae/pgtbl.c
+++ b/src/cpu/x86/pae/pgtbl.c
@@ -54,19 +54,19 @@
 		struct pde pdp[512];
 	} __attribute__ ((packed));
 
-#if (CONFIG_LB_MEM_TOPK>1024) && (CONFIG_RAMBASE<0x100000) && ((CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1))
+#if (CONFIG_RAMTOP>0x100000) && (CONFIG_RAMBASE<0x100000) && ((CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1))
 	/*
 	 pgtbl is too big, so use last one 1M before CONFIG_LB_MEM_TOP, otherwise for 8 way dual core with vga support will push stack and heap cross 0xa0000, 
-	 and that region need to be used as vga font buffer. Please make sure set CONFIG_LB_MEM_TOPK=2048 in MB Config
+	 and that region need to be used as vga font buffer. Please make sure set CONFIG_RAMTOP=0x200000 in MB Config
 	*/
 	struct pg_table *pgtbl = (struct pg_table*)0x100000; //1M
 
 	unsigned x_end = 0x100000 + sizeof(struct pg_table) * CONFIG_MAX_CPUS;
-#if (0x100000+20480*CONFIG_MAX_CPUS) > (CONFIG_LB_MEM_TOPK<<10)
-                #warning "We may need to increase CONFIG_LB_MEM_TOPK, it need to be more than (0x100000+20480*CONFIG_MAX_CPUS)\n"
+#if (0x100000+20480*CONFIG_MAX_CPUS) > (CONFIG_RAMTOP)
+                #warning "We may need to increase CONFIG_RAMTOP, it need to be more than (0x100000+20480*CONFIG_MAX_CPUS)\n"
 #endif
-	if(x_end > (CONFIG_LB_MEM_TOPK<<10)) {
-                        printk_debug("map_2M_page: Please increase the CONFIG_LB_MEM_TOPK more than %dK\n", x_end>>10);
+	if(x_end > (CONFIG_RAMTOP)) {
+                        printk_debug("map_2M_page: Please increase the CONFIG_RAMTOP more than %dK\n", x_end);
                         die("Can not go on");
 	}
 #else
diff --git a/src/mainboard/amd/serengeti_cheetah/Options.lb b/src/mainboard/amd/serengeti_cheetah/Options.lb
index dc57feb..a20289d 100644
--- a/src/mainboard/amd/serengeti_cheetah/Options.lb
+++ b/src/mainboard/amd/serengeti_cheetah/Options.lb
@@ -80,7 +80,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -107,7 +107,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/amd/serengeti_cheetah/apc_auto.c b/src/mainboard/amd/serengeti_cheetah/apc_auto.c
index 5a173e0..c8723e6 100644
--- a/src/mainboard/amd/serengeti_cheetah/apc_auto.c
+++ b/src/mainboard/amd/serengeti_cheetah/apc_auto.c
@@ -75,7 +75,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-        struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+        struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/Kconfig b/src/mainboard/amd/serengeti_cheetah_fam10/Kconfig
index df024f5..8d59b6c 100644
--- a/src/mainboard/amd/serengeti_cheetah_fam10/Kconfig
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/Kconfig
@@ -95,9 +95,9 @@
 	default "mc_patch_01000095.h"
 	depends on BOARD_AMD_SERENGETI_CHEETAH_FAM10
 
-config LB_MEM_TOPK
+config RAMTOP
 	hex
-	default 0x4000
+	default 0x1000000
 	depends on BOARD_AMD_SERENGETI_CHEETAH_FAM10
 
 config HEAP_SIZE
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/Options.lb b/src/mainboard/amd/serengeti_cheetah_fam10/Options.lb
index a5ba422..2d82dfd 100644
--- a/src/mainboard/amd/serengeti_cheetah_fam10/Options.lb
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/Options.lb
@@ -98,7 +98,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_PCI_BUS_SEGN_BITS
 
@@ -135,7 +135,7 @@
 
 #more 1M for pgtbl
 #if there is RAM on node0, we need to set it to 32M, otherwise can not access CAR on node0, and RAM on node1 at same time.
-default CONFIG_LB_MEM_TOPK=16384
+default CONFIG_RAMTOP=16384*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/apc_auto.c b/src/mainboard/amd/serengeti_cheetah_fam10/apc_auto.c
index fbb8c14..69e3ffb 100644
--- a/src/mainboard/amd/serengeti_cheetah_fam10/apc_auto.c
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/apc_auto.c
@@ -74,7 +74,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-	struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+	struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/asus/a8n_e/Options.lb b/src/mainboard/asus/a8n_e/Options.lb
index 50a1584..02d4407 100644
--- a/src/mainboard/asus/a8n_e/Options.lb
+++ b/src/mainboard/asus/a8n_e/Options.lb
@@ -93,7 +93,6 @@
 uses CONFIG_HT_CHAIN_END_UNITID_BASE
 uses CONFIG_SB_HT_CHAIN_ON_BUS0
 uses CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
-uses CONFIG_LB_MEM_TOPK
 uses CONFIG_USE_PRINTK_IN_CAR
 
 default CONFIG_ROM_SIZE = 512 * 1024
diff --git a/src/mainboard/asus/a8v-e_se/Options.lb b/src/mainboard/asus/a8v-e_se/Options.lb
index bdf0972..92c51fe 100644
--- a/src/mainboard/asus/a8v-e_se/Options.lb
+++ b/src/mainboard/asus/a8v-e_se/Options.lb
@@ -41,7 +41,7 @@
 uses CONFIG_STACK_SIZE
 uses CONFIG_HEAP_SIZE
 # uses CONFIG_USE_OPTION_TABLE
-# uses CONFIG_LB_MEM_TOPK
+# uses CONFIG_RAMTOP
 uses CONFIG_GENERATE_ACPI_TABLES
 uses CONFIG_HAVE_ACPI_RESUME
 uses CONFIG_LB_CKS_RANGE_START
@@ -147,7 +147,7 @@
 default CONFIG_STACK_SIZE = 8 * 1024
 default CONFIG_HEAP_SIZE = 256 * 1024
 # More 1M for pgtbl.
-# default CONFIG_LB_MEM_TOPK = 2048
+# default CONFIG_RAMTOP = 2048*1024
 default CONFIG_RAMBASE = 0x00004000
 # default CONFIG_USE_OPTION_TABLE = !CONFIG_USE_FALLBACK_IMAGE
 default CONFIG_ROM_PAYLOAD = 1
diff --git a/src/mainboard/asus/m2v-mx_se/Options.lb b/src/mainboard/asus/m2v-mx_se/Options.lb
index 94e57f9..eaa7168 100644
--- a/src/mainboard/asus/m2v-mx_se/Options.lb
+++ b/src/mainboard/asus/m2v-mx_se/Options.lb
@@ -41,7 +41,7 @@
 uses CONFIG_STACK_SIZE
 uses CONFIG_HEAP_SIZE
 uses CONFIG_USE_OPTION_TABLE
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 uses CONFIG_GENERATE_ACPI_TABLES
 uses CONFIG_HAVE_MAINBOARD_RESOURCES
 uses CONFIG_HAVE_ACPI_RESUME
@@ -151,7 +151,7 @@
 default CONFIG_STACK_SIZE = 8 * 1024
 default CONFIG_HEAP_SIZE = 256 * 1024
 # More 1M for pgtbl.
-default CONFIG_LB_MEM_TOPK = 32768
+default CONFIG_RAMTOP = 32768*1024
 # to 1MB
 default CONFIG_RAMBASE = 0x1F00000
 default CONFIG_USE_OPTION_TABLE = 0
diff --git a/src/mainboard/asus/m2v-mx_se/mainboard.c b/src/mainboard/asus/m2v-mx_se/mainboard.c
index d25a8ed..fd8103c 100644
--- a/src/mainboard/asus/m2v-mx_se/mainboard.c
+++ b/src/mainboard/asus/m2v-mx_se/mainboard.c
@@ -40,7 +40,7 @@
 
 #if CONFIG_HAVE_ACPI_RESUME == 1
 	lb_add_memory_range(mem, LB_MEM_RESERVED,
-		CONFIG_RAMBASE, ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_RAMBASE));
+		CONFIG_RAMBASE, ((CONFIG_RAMTOP) - CONFIG_RAMBASE));
 	lb_add_memory_range(mem, LB_MEM_RESERVED,
 		CONFIG_DCACHE_RAM_BASE, CONFIG_DCACHE_RAM_SIZE);
 #endif
diff --git a/src/mainboard/gigabyte/ga_2761gxdk/Options.lb b/src/mainboard/gigabyte/ga_2761gxdk/Options.lb
index 2c18f9d..97a8a4c 100644
--- a/src/mainboard/gigabyte/ga_2761gxdk/Options.lb
+++ b/src/mainboard/gigabyte/ga_2761gxdk/Options.lb
@@ -105,7 +105,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -135,7 +135,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/gigabyte/ga_2761gxdk/apc_auto.c b/src/mainboard/gigabyte/ga_2761gxdk/apc_auto.c
index 6fb051e..90546b4 100644
--- a/src/mainboard/gigabyte/ga_2761gxdk/apc_auto.c
+++ b/src/mainboard/gigabyte/ga_2761gxdk/apc_auto.c
@@ -89,7 +89,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-        struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+        struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/gigabyte/m57sli/Options.lb b/src/mainboard/gigabyte/m57sli/Options.lb
index 73b4689..0a0d292 100644
--- a/src/mainboard/gigabyte/m57sli/Options.lb
+++ b/src/mainboard/gigabyte/m57sli/Options.lb
@@ -105,7 +105,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -136,7 +136,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Set-up automatic fan control
diff --git a/src/mainboard/gigabyte/m57sli/apc_auto.c b/src/mainboard/gigabyte/m57sli/apc_auto.c
index d0730b9..176e6b4 100644
--- a/src/mainboard/gigabyte/m57sli/apc_auto.c
+++ b/src/mainboard/gigabyte/m57sli/apc_auto.c
@@ -87,7 +87,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-        struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+        struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/hp/dl145_g3/Options.lb b/src/mainboard/hp/dl145_g3/Options.lb
index 2a598c3..5ae7fb2 100644
--- a/src/mainboard/hp/dl145_g3/Options.lb
+++ b/src/mainboard/hp/dl145_g3/Options.lb
@@ -102,7 +102,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_USE_PRINTK_IN_CAR
 
@@ -121,7 +121,7 @@
 default CONFIG_FALLBACK_SIZE=CONFIG_ROM_IMAGE_SIZE
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/intel/truxton/Options.lb b/src/mainboard/intel/truxton/Options.lb
index 3815885..dab3f45 100644
--- a/src/mainboard/intel/truxton/Options.lb
+++ b/src/mainboard/intel/truxton/Options.lb
@@ -35,7 +35,7 @@
 uses CONFIG_ROM_SECTION_OFFSET
 uses CONFIG_ROM_PAYLOAD
 uses CONFIG_COMPRESSED_PAYLOAD_LZMA
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 uses CONFIG_ROMBASE
 uses CONFIG_XIP_ROM_SIZE
 uses CONFIG_XIP_ROM_BASE
@@ -157,9 +157,9 @@
 default CONFIG_RAMBASE=0x00100000
 
 ##
-## in order to have coreboot running at 0x100000, TOPK has to be set
+## in order to have coreboot running at 0x100000, RAMTOP has to be set
 ##
-default CONFIG_LB_MEM_TOPK = 2*1024*1024
+default CONFIG_RAMTOP = 2*1024*1024
 
 ##
 ## Load the payload from the ROM
diff --git a/src/mainboard/iwill/dk8_htx/Options.lb b/src/mainboard/iwill/dk8_htx/Options.lb
index 1e5484a..f35afb4 100644
--- a/src/mainboard/iwill/dk8_htx/Options.lb
+++ b/src/mainboard/iwill/dk8_htx/Options.lb
@@ -80,7 +80,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -109,7 +109,7 @@
 default CONFIG_FAILOVER_SIZE=0x02000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/msi/ms7135/Options.lb b/src/mainboard/msi/ms7135/Options.lb
index 2d09cd0..2337734 100644
--- a/src/mainboard/msi/ms7135/Options.lb
+++ b/src/mainboard/msi/ms7135/Options.lb
@@ -99,9 +99,6 @@
 uses CONFIG_SB_HT_CHAIN_ON_BUS0
 uses CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
 
-uses CONFIG_LB_MEM_TOPK
-
-
 ## CONFIG_ROM_SIZE is the size of boot ROM that this board will use.
 ## ---> 512 Kbytes 
 default CONFIG_ROM_SIZE=(512*1024)
diff --git a/src/mainboard/msi/ms7260/Options.lb b/src/mainboard/msi/ms7260/Options.lb
index 8e52def..54b62c1 100644
--- a/src/mainboard/msi/ms7260/Options.lb
+++ b/src/mainboard/msi/ms7260/Options.lb
@@ -91,7 +91,7 @@
 uses CONFIG_APIC_ID_OFFSET
 uses CONFIG_LIFT_BSP_APIC_ID
 uses CONFIG_PCI_64BIT_PREF_MEM
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 uses CONFIG_AP_CODE_IN_CAR
 uses CONFIG_MEM_TRAIN_SEQ
 uses CONFIG_WAIT_BEFORE_CPUS_INIT
@@ -100,7 +100,7 @@
 default CONFIG_ROM_SIZE = 512 * 1024
 default CONFIG_FALLBACK_SIZE = CONFIG_ROM_IMAGE_SIZE
 default CONFIG_FAILOVER_SIZE = 4 * 1024
-default CONFIG_LB_MEM_TOPK = 2048	# 1MB more for pgtbl.
+default CONFIG_RAMTOP = 2048*1024	# 1MB more for pgtbl.
 default CONFIG_HAVE_FALLBACK_BOOT = 1
 default CONFIG_HAVE_FAILOVER_BOOT = 1
 default CONFIG_HAVE_HARD_RESET = 1
diff --git a/src/mainboard/msi/ms7260/apc_auto.c b/src/mainboard/msi/ms7260/apc_auto.c
index 880952b..6f01fad 100644
--- a/src/mainboard/msi/ms7260/apc_auto.c
+++ b/src/mainboard/msi/ms7260/apc_auto.c
@@ -63,7 +63,7 @@
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE -
 				    CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); /* in CACHE */
-	struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK << 10) -
+	struct sys_info *sysinfox = ((CONFIG_RAMTOP) -
 				     CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); /* in RAM */
 	struct node_core_id id;
 
diff --git a/src/mainboard/msi/ms9185/Options.lb b/src/mainboard/msi/ms9185/Options.lb
index 41bbc99..d3423f5 100644
--- a/src/mainboard/msi/ms9185/Options.lb
+++ b/src/mainboard/msi/ms9185/Options.lb
@@ -101,7 +101,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 uses CONFIG_USE_PRINTK_IN_CAR
 
 ###
@@ -118,7 +118,7 @@
 default CONFIG_FALLBACK_SIZE = CONFIG_ROM_IMAGE_SIZE
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/nvidia/l1_2pvv/Options.lb b/src/mainboard/nvidia/l1_2pvv/Options.lb
index a3d8f8e..b7b445a 100644
--- a/src/mainboard/nvidia/l1_2pvv/Options.lb
+++ b/src/mainboard/nvidia/l1_2pvv/Options.lb
@@ -103,7 +103,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -133,7 +133,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/nvidia/l1_2pvv/apc_auto.c b/src/mainboard/nvidia/l1_2pvv/apc_auto.c
index 525e940..7528b84 100644
--- a/src/mainboard/nvidia/l1_2pvv/apc_auto.c
+++ b/src/mainboard/nvidia/l1_2pvv/apc_auto.c
@@ -87,7 +87,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-	struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+	struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/supermicro/h8dme/Options.lb b/src/mainboard/supermicro/h8dme/Options.lb
index 9f7095c..5a36135 100644
--- a/src/mainboard/supermicro/h8dme/Options.lb
+++ b/src/mainboard/supermicro/h8dme/Options.lb
@@ -104,7 +104,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -137,7 +137,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/supermicro/h8dme/apc_auto.c b/src/mainboard/supermicro/h8dme/apc_auto.c
index 442945e..f4bedfe 100644
--- a/src/mainboard/supermicro/h8dme/apc_auto.c
+++ b/src/mainboard/supermicro/h8dme/apc_auto.c
@@ -95,7 +95,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-        struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+        struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/supermicro/h8dmr/Options.lb b/src/mainboard/supermicro/h8dmr/Options.lb
index f95c63c..5e457d0 100644
--- a/src/mainboard/supermicro/h8dmr/Options.lb
+++ b/src/mainboard/supermicro/h8dmr/Options.lb
@@ -102,7 +102,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -130,7 +130,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/supermicro/h8dmr/apc_auto.c b/src/mainboard/supermicro/h8dmr/apc_auto.c
index 442945e..f4bedfe 100644
--- a/src/mainboard/supermicro/h8dmr/apc_auto.c
+++ b/src/mainboard/supermicro/h8dmr/apc_auto.c
@@ -95,7 +95,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-        struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+        struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/supermicro/h8dmr_fam10/Options.lb b/src/mainboard/supermicro/h8dmr_fam10/Options.lb
index 2ad708a..1342e43 100644
--- a/src/mainboard/supermicro/h8dmr_fam10/Options.lb
+++ b/src/mainboard/supermicro/h8dmr_fam10/Options.lb
@@ -99,7 +99,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_UNCOMPRESSED
 
@@ -132,7 +132,7 @@
 default CONFIG_FAILOVER_SIZE=0x02000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=16384
+default CONFIG_RAMTOP=16384*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/supermicro/h8dmr_fam10/apc_auto.c b/src/mainboard/supermicro/h8dmr_fam10/apc_auto.c
index 099b6ab..f55b80f 100644
--- a/src/mainboard/supermicro/h8dmr_fam10/apc_auto.c
+++ b/src/mainboard/supermicro/h8dmr_fam10/apc_auto.c
@@ -95,7 +95,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (DCACHE_RAM_BASE + DCACHE_RAM_SIZE - DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-        struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+        struct sys_info *sysinfox = ((CONFIG_RAMTOP) - DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/tyan/s2885/Options.lb b/src/mainboard/tyan/s2885/Options.lb
index df76f5c..fc43fc8 100644
--- a/src/mainboard/tyan/s2885/Options.lb
+++ b/src/mainboard/tyan/s2885/Options.lb
@@ -68,8 +68,6 @@
 uses CONFIG_SB_HT_CHAIN_ON_BUS0
 uses CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
 
-uses CONFIG_LB_MEM_TOPK
-
 ###
 ### Build options
 ###
diff --git a/src/mainboard/tyan/s2891/Options.lb b/src/mainboard/tyan/s2891/Options.lb
index 08a1a08..63c5f93 100644
--- a/src/mainboard/tyan/s2891/Options.lb
+++ b/src/mainboard/tyan/s2891/Options.lb
@@ -77,8 +77,6 @@
 uses CONFIG_SB_HT_CHAIN_ON_BUS0
 uses CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
 
-uses CONFIG_LB_MEM_TOPK
-
 ## CONFIG_ROM_SIZE is the size of boot ROM that this board will use.
 default CONFIG_ROM_SIZE=512*1024
 
diff --git a/src/mainboard/tyan/s2892/Options.lb b/src/mainboard/tyan/s2892/Options.lb
index 4ec42e5..89a897b 100644
--- a/src/mainboard/tyan/s2892/Options.lb
+++ b/src/mainboard/tyan/s2892/Options.lb
@@ -71,8 +71,6 @@
 uses CONFIG_SB_HT_CHAIN_ON_BUS0
 uses CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
 
-uses CONFIG_LB_MEM_TOPK
-
 ## CONFIG_ROM_SIZE is the size of boot ROM that this board will use.
 default CONFIG_ROM_SIZE=1024*1024
 
diff --git a/src/mainboard/tyan/s2895/Options.lb b/src/mainboard/tyan/s2895/Options.lb
index de9e136..864fc30 100644
--- a/src/mainboard/tyan/s2895/Options.lb
+++ b/src/mainboard/tyan/s2895/Options.lb
@@ -80,7 +80,7 @@
 uses CONFIG_SB_HT_CHAIN_ON_BUS0
 uses CONFIG_SB_HT_CHAIN_UNITID_OFFSET_ONLY
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 ## CONFIG_ROM_SIZE is the size of boot ROM that this board will use.
 default CONFIG_ROM_SIZE=1024*1024
@@ -95,7 +95,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/tyan/s2912/Options.lb b/src/mainboard/tyan/s2912/Options.lb
index 439c6cf..a8de386 100644
--- a/src/mainboard/tyan/s2912/Options.lb
+++ b/src/mainboard/tyan/s2912/Options.lb
@@ -103,7 +103,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_AP_CODE_IN_CAR
 
@@ -133,7 +133,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=2048
+default CONFIG_RAMTOP=2048*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/tyan/s2912/apc_auto.c b/src/mainboard/tyan/s2912/apc_auto.c
index 8985b7a..2600dd3 100644
--- a/src/mainboard/tyan/s2912/apc_auto.c
+++ b/src/mainboard/tyan/s2912/apc_auto.c
@@ -76,7 +76,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-	struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+	struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/tyan/s2912_fam10/Options.lb b/src/mainboard/tyan/s2912_fam10/Options.lb
index 61c647c..29e4f13 100644
--- a/src/mainboard/tyan/s2912_fam10/Options.lb
+++ b/src/mainboard/tyan/s2912_fam10/Options.lb
@@ -101,7 +101,7 @@
 
 uses CONFIG_PCI_64BIT_PREF_MEM
 
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 
 uses CONFIG_PCI_BUS_SEGN_BITS
 
@@ -135,7 +135,7 @@
 default CONFIG_FAILOVER_SIZE=0x01000
 
 #more 1M for pgtbl
-default CONFIG_LB_MEM_TOPK=16384
+default CONFIG_RAMTOP=16384*1024
 
 ##
 ## Build code for the fallback boot
diff --git a/src/mainboard/tyan/s2912_fam10/apc_auto.c b/src/mainboard/tyan/s2912_fam10/apc_auto.c
index 8985b7a..2600dd3 100644
--- a/src/mainboard/tyan/s2912_fam10/apc_auto.c
+++ b/src/mainboard/tyan/s2912_fam10/apc_auto.c
@@ -76,7 +76,7 @@
 void hardwaremain(int ret_addr)
 {
 	struct sys_info *sysinfo = (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in CACHE
-	struct sys_info *sysinfox = ((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+	struct sys_info *sysinfox = ((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 
 	struct node_core_id id;
 
diff --git a/src/mainboard/via/epia-n/Options.lb b/src/mainboard/via/epia-n/Options.lb
index e9dfad1..7d229c5 100644
--- a/src/mainboard/via/epia-n/Options.lb
+++ b/src/mainboard/via/epia-n/Options.lb
@@ -34,7 +34,7 @@
 uses CONFIG_MAINBOARD_PART_NUMBER
 uses COREBOOT_EXTRA_VERSION
 uses CONFIG_ARCH
-uses CONFIG_LB_MEM_TOPK
+uses CONFIG_RAMTOP
 uses CONFIG_FALLBACK_SIZE
 uses CONFIG_STACK_SIZE
 uses CONFIG_HEAP_SIZE
@@ -73,7 +73,7 @@
 uses CONFIG_HAVE_MAINBOARD_RESOURCES
 
 default CONFIG_EPIA_VT8237R_INIT = 1
-#default CONFIG_LB_MEM_TOPK = 4 * 1024
+#default CONFIG_RAMTOP = 4 * 1024*1024
 default CONFIG_ROM_SIZE = 512 * 1024
 default CONFIG_COMPRESS = 1
 default CONFIG_IOAPIC = 1
diff --git a/src/northbridge/amd/amdfam10/amdfam10_acpi.c b/src/northbridge/amd/amdfam10/amdfam10_acpi.c
index d0c9baf..dcff714 100644
--- a/src/northbridge/amd/amdfam10/amdfam10_acpi.c
+++ b/src/northbridge/amd/amdfam10/amdfam10_acpi.c
@@ -134,7 +134,7 @@
 	/* fill the first 8 byte with that num */
 	/* fill the next num*num byte with distance, local is 10, 1 hop mean 20, and 2 hop with 30.... */
 
-	struct sys_info *sysinfox = (struct sys_info *)((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
+	struct sys_info *sysinfox = (struct sys_info *)((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
 	u8 *ln = sysinfox->ln;
 
 
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 52ec019..e7ac7ef 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -806,7 +806,7 @@
 	u32 hole_sizek;
 
 	u32 one_DCT;
-	struct sys_info *sysinfox = (struct sys_info *)((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+	struct sys_info *sysinfox = (struct sys_info *)((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 	struct mem_info *meminfo;
 	meminfo = &sysinfox->meminfo[i];
 
@@ -1065,7 +1065,7 @@
 				#if CONFIG_AMDMCT == 0
 				#if CONFIG_HW_MEM_HOLE_SIZEK != 0
 				if(reset_memhole) {
-					struct sys_info *sysinfox = (struct sys_info *)((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
+					struct sys_info *sysinfox = (struct sys_info *)((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE); // in RAM
 					struct mem_info *meminfo;
 					meminfo = &sysinfox->meminfo[i];
 					sizek += hoist_memory(mmio_basek,i, get_one_DCT(meminfo), sysconf.nodes);
diff --git a/src/northbridge/amd/amdk8/raminit.c b/src/northbridge/amd/amdk8/raminit.c
index 83ae830..1b040ae 100644
--- a/src/northbridge/amd/amdk8/raminit.c
+++ b/src/northbridge/amd/amdk8/raminit.c
@@ -11,8 +11,8 @@
 #include "raminit.h"
 #include "amdk8.h"
 
-#if (CONFIG_LB_MEM_TOPK & (CONFIG_LB_MEM_TOPK -1)) != 0
-# error "CONFIG_LB_MEM_TOPK must be a power of 2"
+#if (CONFIG_RAMTOP & (CONFIG_RAMTOP -1)) != 0
+# error "CONFIG_RAMTOP must be a power of 2"
 #endif
 
 #ifndef QRANK_DIMM_SUPPORT
diff --git a/src/northbridge/amd/amdk8/raminit_f.c b/src/northbridge/amd/amdk8/raminit_f.c
index 3c96477..1acc04f 100644
--- a/src/northbridge/amd/amdk8/raminit_f.c
+++ b/src/northbridge/amd/amdk8/raminit_f.c
@@ -48,8 +48,8 @@
 #endif
 
 
-#if (CONFIG_LB_MEM_TOPK & (CONFIG_LB_MEM_TOPK -1)) != 0
-# error "CONFIG_LB_MEM_TOPK must be a power of 2"
+#if (CONFIG_RAMTOP & (CONFIG_RAMTOP -1)) != 0
+# error "CONFIG_RAMTOP must be a power of 2"
 #endif
 
 #include "amdk8_f_pci.c"
diff --git a/src/northbridge/amd/amdk8/raminit_f_dqs.c b/src/northbridge/amd/amdk8/raminit_f_dqs.c
index d28e942..16faf489 100644
--- a/src/northbridge/amd/amdk8/raminit_f_dqs.c
+++ b/src/northbridge/amd/amdk8/raminit_f_dqs.c
@@ -2096,7 +2096,7 @@
 static inline void train_ram_on_node(unsigned nodeid, unsigned coreid, struct sys_info *sysinfo, unsigned retcall)
 {
 	if(coreid) return; // only do it on core0
-	struct sys_info *sysinfox = (void*)((CONFIG_LB_MEM_TOPK<<10) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
+	struct sys_info *sysinfox = (void*)((CONFIG_RAMTOP) - CONFIG_DCACHE_RAM_GLOBAL_VAR_SIZE);
 	wait_till_sysinfo_in_ram(); // use pci to get it
 
 	if(sysinfox->mem_trained[nodeid] == 0x80) {
diff --git a/src/pc80/usbdebug_direct_serial.c b/src/pc80/usbdebug_direct_serial.c
index 8a8b8c6..21f6109 100644
--- a/src/pc80/usbdebug_direct_serial.c
+++ b/src/pc80/usbdebug_direct_serial.c
@@ -45,7 +45,7 @@
 
 	/* "Find" dbg_info structure in RAM */
 	dbg_info = (struct ehci_debug_info *)
-	    ((CONFIG_LB_MEM_TOPK << 10) - sizeof(struct ehci_debug_info));
+	    ((CONFIG_RAMTOP) - sizeof(struct ehci_debug_info));
 
 	if (dbg_info->ehci_debug) {
 		dbgp_bulk_write_x(dbg_info, &data, 1);