drivers/intel/fsp2_0: Split reset handling logic

FSP 2.0 spec only defines 2 reset request (COLD, WARM) exit codes. The
rest 6 codes are platform-specific and may vary. Modify helper function
so that only basic resets are handled and let SoC deal with the rest.

Change-Id: Ib2f446e0449301407b135933a2088bcffc3ac32a
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/15730
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)

1 files changed, 9 insertions, 3 deletions

diff --git a/src/drivers/intel/fsp2_0/include/fsp/util.h b/src/drivers/intel/fsp2_0/include/fsp/util.h
index f4638e5caa..9f4d67ae3f 100644
--- a/src/drivers/intel/fsp2_0/include/fsp/util.h
+++ b/src/drivers/intel/fsp2_0/include/fsp/util.h
@@ -42,9 +42,15 @@ enum cb_err fsp_validate_component(struct fsp_header *hdr,
 /* Load a vbt.bin file for graphics. Returns 0 if a valid VBT is not found. */
 uintptr_t fsp_load_vbt(void);
 
-/* Trivial handling of reset exit statuses */
+/*
+ * Handle FSP reboot request status. Chipset/soc is expected to provide
+ * chipset_handle_reset() that deals with reset type codes specific to given
+ * SoC. If the requested status is not a reboot status or unhandled, this
+ * function does nothing.
+ */
 void fsp_handle_reset(enum fsp_status status);
-/* Returns true if the non-success status is a reset request */
-bool fsp_reset_requested(enum fsp_status status);
+
+/* SoC/chipset must provide this to handle platform-specific reset codes */
+void chipset_handle_reset(enum fsp_status status);
 
 #endif /* _FSP2_0_UTIL_H_ */