lib/prog_loaders: use common ramstage_cache_invalid()

All current implementations of ramstage_cache_invalid() were just
resetting the system based on the RESET_ON_INVALID_RAMSTAGE_CACHE
Kconfig option. Move that behavior to a single implementation
within prog_loaders.c which removes duplication.

Change-Id: I67aae73f9e1305732f90d947fe57c5aaf66ada9e
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17184
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/cpu/intel/haswell/romstage.c

@@ -264,13 +264,3 @@ void asmlinkage romstage_after_car(void)
 	/* Load the ramstage. */
 	run_ramstage();
 }
-
-
-#if IS_ENABLED(CONFIG_CACHE_RELOCATED_RAMSTAGE_OUTSIDE_CBMEM)
-void ramstage_cache_invalid(void)
-{
-#if CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE
-	reset_system();
-#endif
-}
-#endif

src/drivers/intel/fsp1_1/romstage.c

@@ -380,13 +380,6 @@ __attribute__((weak)) void raminit(struct romstage_params *params)
 	die("ERROR - No RAM initialization specified!\n");
 }
 
-void ramstage_cache_invalid(void)
-{
-	if (IS_ENABLED(CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE))
-		/* Perform cold reset on invalid ramstage cache. */
-		hard_reset();
-}
-
 /* Display the memory configuration */
 __attribute__((weak)) void report_memory_config(void)
 {

src/drivers/intel/fsp2_0/stage_cache.c

@@ -28,10 +28,3 @@ void stage_cache_external_region(void **base, size_t *size)
 		*size = 0;
 	}
 }
-
-void ramstage_cache_invalid(void)
-{
-	if (IS_ENABLED(CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE))
-		/* Perform cold reset on invalid ramstage cache. */
-		hard_reset();
-}

src/include/program_loading.h

@@ -167,9 +167,6 @@ void run_romstage(void);
 /* Run ramstage from romstage. */
 void run_ramstage(void);
 
-/* Called when the stage cache couldn't load ramstage on resume. */
-void ramstage_cache_invalid(void);
-
 /* Determine where stack for ramstage loader is located. */
 enum { ROMSTAGE_STACK_CBMEM, ROMSTAGE_STACK_LOW_MEM };
 uintptr_t romstage_ram_stack_base(size_t size, int src);

src/lib/prog_loaders.c

@@ -22,6 +22,7 @@
 #include <halt.h>
 #include <lib.h>
 #include <program_loading.h>
+#include <reset.h>
 #include <romstage_handoff.h>
 #include <rmodule.h>
 #include <rules.h>
@@ -74,7 +75,15 @@ void __attribute__((weak)) stage_cache_add(int stage_id,
 						const struct prog *stage) {}
 void __attribute__((weak)) stage_cache_load_stage(int stage_id,
 							struct prog *stage) {}
-void __attribute__((weak)) ramstage_cache_invalid(void) {}
+
+static void ramstage_cache_invalid(void)
+{
+	printk(BIOS_ERR, "ramstage cache invalid.\n");
+	if (IS_ENABLED(CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE)) {
+		hard_reset();
+		halt();
+	}
+}
 
 static void run_ramstage_from_resume(struct romstage_handoff *handoff,
 					struct prog *ramstage)

src/soc/intel/baytrail/romstage/romstage.c

@@ -333,14 +333,6 @@ static void *setup_stack_and_mttrs(void)
 	return slot;
 }
 
-void ramstage_cache_invalid(void)
-{
-#if CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE
-	/* Perform cold reset on invalid ramstage cache. */
-	cold_reset();
-#endif
-}
-
 int get_sw_write_protect_state(void)
 {
 	u8 status;

src/soc/intel/broadwell/romstage/romstage.c

@@ -133,14 +133,6 @@ void asmlinkage romstage_after_car(void)
 	while (1);
 }
 
-void ramstage_cache_invalid(void)
-{
-#if CONFIG_RESET_ON_INVALID_RAMSTAGE_CACHE
-	/* Perform cold reset on invalid ramstage cache. */
-	reset_system();
-#endif
-}
-
 int get_sw_write_protect_state(void)
 {
 	u8 status;