drivers/intel/fsp2_0: Add MemoryInit API

This adds implementation of fsp_memory_init() that is used to train
memory.

Change-Id: I72268aaa91eea7e4d4f072d70a47871d74c2b979
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/13798
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/drivers/intel/fsp2_0/include/fsp/api.h

@@ -16,6 +16,8 @@
 #include <stddef.h>
 #include <memrange.h>
 #include <fsp/info_header.h>
+#include <soc/fsp/FspmUpd.h>
+#include <soc/fsp/FspsUpd.h>
 
 enum fsp_status {
 	FSP_SUCCESS = 0x00000000,
@@ -39,19 +41,14 @@ enum fsp_notify_phase {
 };
 
 
-/* Opaque structures. These are platform-specific. */
-struct FSP_M_CONFIG;
-struct FSP_S_CONFIG;
-
 /* Main FSP stages */
 enum fsp_status fsp_memory_init(void **hob_list, struct range_entry *r);
 enum fsp_status fsp_silicon_init(struct range_entry *r);
 enum fsp_status fsp_notify(enum fsp_notify_phase phase);
 
 /* Callbacks for updating stage-specific parameters */
-void platform_fsp_memory_init_params_cb(struct fsp_m_arch_upd *archupd,
-					struct FSP_M_CONFIG *mcfg);
-void platform_fsp_silicon_init_params_cb(struct FSP_S_CONFIG *silupd);
+void platform_fsp_memory_init_params_cb(struct FSPM_UPD *mupd);
+void platform_fsp_silicon_init_params_cb(struct FSPS_UPD *supd);
 
 /*
  * # DOCUMENTATION:

src/drivers/intel/fsp2_0/include/fsp/info_header.h

@@ -39,20 +39,6 @@ struct fsp_header {
 	uint8_t revision;
 };
 
-struct fsp_upd_header {
-	uint64_t	signature;
-	uint8_t		revision;
-};
-
-struct fsp_m_arch_upd {
-	uint8_t		revision;
-	uintptr_t	nvs_buffer;
-	uintptr_t	stack_base;
-	uint32_t	stack_size;
-	uint32_t	bootloader_tolumsz;
-	uint32_t	boot_mode;
-};
-
 enum cb_err fsp_identify(struct fsp_header *hdr, const void *fsp_blob);
 void fsp_print_header_info(const struct fsp_header *hdr);
 void fsp_print_upd_info(const struct fsp_header *hdr, void *cfg_blob);

src/drivers/intel/fsp2_0/memory_init.c

@@ -0,0 +1,73 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Intel Corp.
+ * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
+ * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for 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>
+
+typedef asmlinkage enum fsp_status (*fsp_memory_init_fn)
+				   (void *raminit_upd, void **hob_list);
+
+static enum fsp_status do_fsp_memory_init(void **hob_list_ptr,
+					  struct fsp_header *hdr)
+{
+	enum fsp_status status;
+	fsp_memory_init_fn fsp_raminit;
+	struct FSPM_UPD fspm_upd, *upd;
+
+	post_code(0x34);
+
+	upd = (struct FSPM_UPD *)(hdr->cfg_region_offset + hdr->image_base);
+
+	if (upd->FspUpdHeader.Signature != FSPM_UPD_SIGNATURE) {
+		printk(BIOS_ERR, "Invalid FSPM signature\n");
+		return FSP_INCOMPATIBLE_VERSION;
+	}
+
+	/* Copy the default values from the UPD area */
+	memcpy(&fspm_upd, upd, sizeof(fspm_upd));
+
+	/* Give SoC and mainboard a chance to update the UPD */
+	platform_fsp_memory_init_params_cb(&fspm_upd);
+
+	/* Call FspMemoryInit */
+	fsp_raminit = (void *)(hdr->image_base + hdr->memory_init_entry_offset);
+	printk(BIOS_DEBUG, "Calling FspMemoryInit: 0x%p\n", fsp_raminit);
+	printk(BIOS_SPEW, "\t%p: raminit_upd\n", &fspm_upd);
+	printk(BIOS_SPEW, "\t%p: hob_list ptr\n", hob_list_ptr);
+
+	timestamp_add_now(TS_FSP_MEMORY_INIT_START);
+	status = fsp_raminit(&fspm_upd, hob_list_ptr);
+	post_code(0x37);
+	timestamp_add_now(TS_FSP_MEMORY_INIT_END);
+
+	printk(BIOS_DEBUG, "FspMemoryInit returned 0x%08x\n", status);
+
+	return status;
+}
+
+enum fsp_status fsp_memory_init(void **hob_list, struct range_entry *range)
+{
+	struct fsp_header hdr;
+
+	/* TODO: do not hardcode CBFS file names */
+	if (fsp_load_binary(&hdr, "blobs/fspm.bin", range) != CB_SUCCESS)
+		return FSP_NOT_FOUND;
+
+	return do_fsp_memory_init(hob_list, &hdr);
+}