soc/apollolake: Add ramstage hook

A hook for romstage is already existing but not for ramstage.

It's very useful for debugging as it allows to run code
for testing purposes by the mainboard. Also, it allows to
run configuration code or configure FSP options, which
don't have a devicetree option.

Change-Id: I9edc543943c5cbc696fc6c615cb77ef68294c980
Signed-off-by: Felix Singer <felix.singer@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32543
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/soc/intel/apollolake/chip.c

@@ -50,6 +50,7 @@
 #include <soc/systemagent.h>
 #include <spi-generic.h>
 #include <timer.h>
+#include <soc/ramstage.h>
 
 #include "chip.h"
 
@@ -762,6 +763,8 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd)
 
 	/* Set VTD feature according to devicetree */
 	silconfig->VtdEnable = cfg->enable_vtd;
+
+	mainboard_silicon_init_params(silconfig);
 }
 
 struct chip_operations soc_intel_apollolake_ops = {
@@ -879,4 +882,10 @@ static void spi_flash_init_cb(void *unused)
 	fast_spi_init();
 }
 
+__weak
+void mainboard_silicon_init_params(FSP_S_CONFIG *silconfig)
+{
+	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
+}
+
 BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_ENTRY, spi_flash_init_cb, NULL);