X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fcbmem.c;h=f5c3d3a81101916d5a3a7c9ea29f945bff46066f;hb=e1860604e46780d08ee2dab568cf80bf2d349c16;hp=c758240d648d307ea401d64e4cc266f449d975b0;hpb=c4369536da601a02b23cb936c16e54c0485ec21e;p=coreboot.git

diff --git a/src/lib/cbmem.c b/src/lib/cbmem.c
index c758240d6..f5c3d3a81 100644
--- a/src/lib/cbmem.c
+++ b/src/lib/cbmem.c
@@ -48,6 +48,13 @@ void __attribute__((weak)) set_cbmem_toc(struct cbmem_entry * x)
 {
 	/* do nothing, this should be called by chipset to save TOC in NVRAM */
 }
+#else
+
+struct cbmem_entry *__attribute__((weak)) get_cbmem_toc(void)
+{
+	printk(BIOS_WARNING, "WARNING: you need to define get_cbmem_toc() for your chipset\n");
+	return NULL;
+}
 
 #endif
 
@@ -176,28 +183,38 @@ void *cbmem_find(u32 id)
 	return (void *)NULL;
 }
 
-#ifndef __PRE_RAM__
-#if CONFIG_HAVE_ACPI_RESUME
+#if CONFIG_HAVE_ACPI_RESUME && !defined(__PRE_RAM__)
 extern u8 acpi_slp_type;
 #endif
 
-void cbmem_initialize(void)
+#if CONFIG_EARLY_CBMEM_INIT || !defined(__PRE_RAM__)
+/* Returns True if it was not intialized before. */
+int cbmem_initialize(void)
 {
-#if CONFIG_HAVE_ACPI_RESUME
-	if (acpi_slp_type == 3) {
-		if (!cbmem_reinit(high_tables_base)) {
-			/* Something went wrong, our high memory area got wiped */
+	int rv = 0;
+
+#ifdef __PRE_RAM__
+	extern unsigned long get_top_of_ram(void);
+	uint64_t high_tables_base = get_top_of_ram() - HIGH_MEMORY_SIZE;
+	uint64_t high_tables_size = HIGH_MEMORY_SIZE;
+#endif
+
+	/* We expect the romstage to always initialize it. */
+	if (!cbmem_reinit(high_tables_base)) {
+#if CONFIG_HAVE_ACPI_RESUME && !defined(__PRE_RAM__)
+		/* Something went wrong, our high memory area got wiped */
+		if (acpi_slp_type == 3 || acpi_slp_type == 2)
 			acpi_slp_type = 0;
-			cbmem_init(high_tables_base, high_tables_size);
-		}
-	} else {
+#endif
 		cbmem_init(high_tables_base, high_tables_size);
+		rv = 1;
 	}
-#else
-	cbmem_init(high_tables_base, high_tables_size);
-#endif
+#ifndef __PRE_RAM__
 	cbmem_arch_init();
+#endif
+	return rv;
 }
+#endif
 
 #ifndef __PRE_RAM__
 void cbmem_list(void)
@@ -222,6 +239,7 @@ void cbmem_list(void)
 		case CBMEM_ID_PIRQ:	 printk(BIOS_DEBUG, "IRQ TABLE  "); break;
 		case CBMEM_ID_MPTABLE:	 printk(BIOS_DEBUG, "SMP TABLE  "); break;
 		case CBMEM_ID_RESUME:	 printk(BIOS_DEBUG, "ACPI RESUME"); break;
+		case CBMEM_ID_SMBIOS:    printk(BIOS_DEBUG, "SMBIOS     "); break;
 		default: printk(BIOS_DEBUG, "%08x ", cbmem_toc[i].id);
 		}
 		printk(BIOS_DEBUG, "%08llx ", cbmem_toc[i].base);
@@ -230,5 +248,4 @@ void cbmem_list(void)
 }
 #endif
 
-#endif