#include <string.h>
#include <cbmem.h>
#include <console/console.h>
+#if CONFIG_HAVE_ACPI_RESUME && !defined(__PRE_RAM__)
+#include <arch/acpi.h>
+#endif
// The CBMEM TOC reserves 512 bytes to keep
// the other entries somewhat aligned.
{
struct cbmem_entry *cbmem_toc;
int i;
+ void *p;
+
+ /*
+ * This could be a restart, check if the section is there already. It
+ * is remotely possible that the dram contents persisted over the
+ * bootloader upgrade AND the same section now needs more room, but
+ * this is quite a remote possibility and it is ignored here.
+ */
+ p = cbmem_find(id);
+ if (p) {
+ printk(BIOS_NOTICE,
+ "CBMEM section %x: using existing location at %p.\n",
+ id, p);
+ return p;
+ }
+
cbmem_toc = get_cbmem_toc();
if (cbmem_toc == NULL) {
return (void *)NULL;
}
-#if CONFIG_HAVE_ACPI_RESUME && !defined(__PRE_RAM__)
-extern u8 acpi_slp_type;
-#endif
-
#if CONFIG_EARLY_CBMEM_INIT || !defined(__PRE_RAM__)
/* Returns True if it was not intialized before. */
int cbmem_initialize(void)
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;
+ case CBMEM_ID_TIMESTAMP: printk(BIOS_DEBUG, "TIME STAMP "); break;
+ case CBMEM_ID_CONSOLE: printk(BIOS_DEBUG, "CONSOLE "); break;
default: printk(BIOS_DEBUG, "%08x ", cbmem_toc[i].id);
}
printk(BIOS_DEBUG, "%08llx ", cbmem_toc[i].base);