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Diffstat (limited to 'src/drivers/intel/fsp2_0/temp_ram_exit.c')
-rw-r--r--src/drivers/intel/fsp2_0/temp_ram_exit.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/temp_ram_exit.c b/src/drivers/intel/fsp2_0/temp_ram_exit.c
new file mode 100644
index 0000000000..21eb367e8c
--- /dev/null
+++ b/src/drivers/intel/fsp2_0/temp_ram_exit.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <arch/io.h>
+#include <arch/cpu.h>
+#include <console/console.h>
+#include <fsp/api.h>
+#include <fsp/util.h>
+#include <memrange.h>
+#include <string.h>
+#include <timestamp.h>
+#include <cbfs.h>
+
+void fsp_temp_ram_exit(void)
+{
+ struct fsp_header hdr;
+ uint32_t status;
+ temp_ram_exit_fn temp_ram_exit;
+ struct cbfsf file_desc;
+ struct region_device file_data;
+ const char *name = CONFIG_FSP_M_CBFS;
+
+ if (cbfs_boot_locate(&file_desc, name, NULL)) {
+ printk(BIOS_CRIT, "Could not locate %s in CBFS\n", name);
+ die("FSPM not available for CAR Exit!\n");
+ }
+
+ cbfs_file_data(&file_data, &file_desc);
+
+ if (fsp_validate_component(&hdr, &file_data) != CB_SUCCESS)
+ die("Invalid FSPM header!\n");
+
+ temp_ram_exit = (void *)(hdr.image_base + hdr.temp_ram_exit_entry);
+ printk(BIOS_DEBUG, "Calling TempRamExit: 0x%p\n", temp_ram_exit);
+ status = temp_ram_exit(NULL);
+
+ if (status != FSP_SUCCESS) {
+ printk(BIOS_CRIT, "TempRamExit returned 0x%08x\n", status);
+ die("TempRamExit returned an error!\n");
+ }
+}