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Diffstat (limited to 'src/soc/intel/alderlake/reset.c')
-rw-r--r--src/soc/intel/alderlake/reset.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/reset.c b/src/soc/intel/alderlake/reset.c
new file mode 100644
index 0000000000..d37ff5407a
--- /dev/null
+++ b/src/soc/intel/alderlake/reset.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <cf9_reset.h>
+#include <console/console.h>
+#include <intelblocks/cse.h>
+#include <intelblocks/pmclib.h>
+#include <fsp/util.h>
+#include <soc/intel/common/reset.h>
+#include <soc/pci_devs.h>
+
+void do_global_reset(void)
+{
+ /* Ask CSE to do the global reset */
+ if (cse_request_global_reset(GLOBAL_RESET))
+ return;
+
+ /* global reset if CSE fail to reset */
+ pmc_global_reset_enable(1);
+ do_full_reset();
+}
+
+void chipset_handle_reset(uint32_t status)
+{
+ switch (status) {
+ case FSP_STATUS_RESET_REQUIRED_3: /* Global Reset */
+ printk(BIOS_DEBUG, "GLOBAL RESET!!\n");
+ global_reset();
+ break;
+ default:
+ printk(BIOS_ERR, "unhandled reset type %x\n", status);
+ die("unknown reset type");
+ break;
+ }
+}