1 files changed, 317 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp1_1/raminit.c b/src/drivers/intel/fsp1_1/raminit.c
new file mode 100644
index 000000000000..865452e1bebe
--- /dev/null
+++ b/src/drivers/intel/fsp1_1/raminit.c
@@ -0,0 +1,317 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014-2015 Intel Corporation
+ *
+ * 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; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <cbmem.h>
+#include <console/console.h>
+#include <fsp/memmap.h>
+#include <fsp/util.h>
+#include <lib.h> /* hexdump */
+#include <reset.h>
+#include <soc/pei_data.h>
+#include <soc/romstage.h>
+#include <string.h>
+#include <timestamp.h>
+
+void raminit(struct romstage_params *params)
+{
+	const EFI_GUID bootldr_tolum_guid = FSP_BOOTLOADER_TOLUM_HOB_GUID;
+	EFI_HOB_RESOURCE_DESCRIPTOR *cbmem_root;
+	FSP_INFO_HEADER *fsp_header;
+	EFI_HOB_RESOURCE_DESCRIPTOR *fsp_memory;
+	FSP_MEMORY_INIT fsp_memory_init;
+	FSP_MEMORY_INIT_PARAMS fsp_memory_init_params;
+	const EFI_GUID fsp_reserved_guid =
+		FSP_RESERVED_MEMORY_RESOURCE_HOB_GUID;
+	void *fsp_reserved_memory_area;
+	FSP_INIT_RT_COMMON_BUFFER fsp_rt_common_buffer;
+	void *hob_list_ptr;
+	FSP_SMBIOS_MEMORY_INFO *memory_info_hob;
+	const EFI_GUID memory_info_hob_guid = FSP_SMBIOS_MEMORY_INFO_GUID;
+	MEMORY_INIT_UPD memory_init_params;
+	const EFI_GUID mrc_guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID;
+	u32 *mrc_hob;
+	u32 fsp_reserved_bytes;
+	MEMORY_INIT_UPD *original_params;
+	struct pei_data *pei_ptr;
+	EFI_STATUS status;
+	VPD_DATA_REGION *vpd_ptr;
+	UPD_DATA_REGION *upd_ptr;
+	int fsp_verification_failure = 0;
+#if IS_ENABLED(CONFIG_DISPLAY_HOBS)
+	unsigned long int data;
+	EFI_PEI_HOB_POINTERS hob_ptr;
+#endif
+
+	/*
+	 * Find and copy the UPD region to the stack so the platform can modify
+	 * the settings if needed.  Modifications to the UPD buffer are done in
+	 * the platform callback code.  The platform callback code is also
+	 * responsible for assigning the UpdDataRngPtr to this buffer if any
+	 * updates are made.  The default state is to leave the UpdDataRngPtr
+	 * set to NULL.  This indicates that the FSP code will use the UPD
+	 * region in the FSP binary.
+	 */
+	post_code(0x34);
+	fsp_header = params->chipset_context;
+	vpd_ptr = (VPD_DATA_REGION *)(fsp_header->CfgRegionOffset +
+					fsp_header->ImageBase);
+	printk(BIOS_DEBUG, "VPD Data: 0x%p\n", vpd_ptr);
+	upd_ptr = (UPD_DATA_REGION *)(vpd_ptr->PcdUpdRegionOffset +
+					fsp_header->ImageBase);
+	printk(BIOS_DEBUG, "UPD Data: 0x%p\n", upd_ptr);
+	original_params = (void *)((u8 *)upd_ptr +
+		upd_ptr->MemoryInitUpdOffset);
+	memcpy(&memory_init_params, original_params,
+		sizeof(memory_init_params));
+
+	/* Zero fill RT Buffer data and start populating fields. */
+	memset(&fsp_rt_common_buffer, 0, sizeof(fsp_rt_common_buffer));
+	pei_ptr = params->pei_data;
+	if (pei_ptr->boot_mode == SLEEP_STATE_S3) {
+		fsp_rt_common_buffer.BootMode = BOOT_ON_S3_RESUME;
+	} else if (pei_ptr->saved_data != NULL) {
+		fsp_rt_common_buffer.BootMode =
+			BOOT_ASSUMING_NO_CONFIGURATION_CHANGES;
+	} else {
+		fsp_rt_common_buffer.BootMode = BOOT_WITH_FULL_CONFIGURATION;
+	}
+	fsp_rt_common_buffer.UpdDataRgnPtr = &memory_init_params;
+	fsp_rt_common_buffer.BootLoaderTolumSize = cbmem_overhead_size();
+
+	/* Get any board specific changes */
+	fsp_memory_init_params.NvsBufferPtr = (void *)pei_ptr->saved_data;
+	fsp_memory_init_params.RtBufferPtr = &fsp_rt_common_buffer;
+	fsp_memory_init_params.HobListPtr = &hob_list_ptr;
+
+	/* Update the UPD data */
+	soc_memory_init_params(params, &memory_init_params);
+	mainboard_memory_init_params(params, &memory_init_params);
+	post_code(0x36);
+
+	/* Display the UPD data */
+	if (IS_ENABLED(CONFIG_DISPLAY_UPD_DATA))
+		soc_display_memory_init_params(original_params,
+			&memory_init_params);
+
+	/* Call FspMemoryInit to initialize RAM */
+	fsp_memory_init = (FSP_MEMORY_INIT)(fsp_header->ImageBase
+		+ fsp_header->FspMemoryInitEntryOffset);
+	printk(BIOS_DEBUG, "Calling FspMemoryInit: 0x%p\n", fsp_memory_init);
+	printk(BIOS_SPEW, "    0x%p: NvsBufferPtr\n",
+		fsp_memory_init_params.NvsBufferPtr);
+	printk(BIOS_SPEW, "    0x%p: RtBufferPtr\n",
+		fsp_memory_init_params.RtBufferPtr);
+	printk(BIOS_SPEW, "    0x%p: HobListPtr\n",
+		fsp_memory_init_params.HobListPtr);
+
+	timestamp_add_now(TS_FSP_MEMORY_INIT_START);
+	status = fsp_memory_init(&fsp_memory_init_params);
+	post_code(0x37);
+	timestamp_add_now(TS_FSP_MEMORY_INIT_END);
+
+	printk(BIOS_DEBUG, "FspMemoryInit returned 0x%08x\n", status);
+	if (status != EFI_SUCCESS)
+		die("ERROR - FspMemoryInit failed to initialize memory!\n");
+
+	/* Locate the FSP reserved memory area */
+	fsp_reserved_bytes = 0;
+	fsp_memory = get_next_resource_hob(&fsp_reserved_guid, hob_list_ptr);
+	if (fsp_memory == NULL) {
+		fsp_verification_failure = 1;
+		printk(BIOS_DEBUG,
+			"7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB missing!\n");
+	} else {
+		fsp_reserved_bytes = fsp_memory->ResourceLength;
+		printk(BIOS_DEBUG, "Reserving 0x%016lx bytes for FSP\n",
+			(unsigned long int)fsp_reserved_bytes);
+	}
+
+	/* Display SMM area */
+#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)
+	char *smm_base;
+	size_t smm_size;
+
+	smm_region((void **)&smm_base, &smm_size);
+	printk(BIOS_DEBUG, "0x%08x: smm_size\n", (unsigned int)smm_size);
+	printk(BIOS_DEBUG, "0x%p: smm_base\n", smm_base);
+#endif
+
+	/* Migrate CAR data */
+	printk(BIOS_DEBUG, "0x%p: cbmem_top\n", cbmem_top());
+	if (pei_ptr->boot_mode != SLEEP_STATE_S3) {
+		cbmem_initialize_empty_id_size(CBMEM_ID_FSP_RESERVED_MEMORY,
+			fsp_reserved_bytes);
+	} else if (cbmem_initialize_id_size(CBMEM_ID_FSP_RESERVED_MEMORY,
+		fsp_reserved_bytes)) {
+#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
+		printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n");
+		/* Failed S3 resume, reset to come up cleanly */
+		hard_reset();
+#endif
+	}
+
+	/* Save the FSP runtime parameters. */
+	fsp_set_runtime(fsp_header, hob_list_ptr);
+
+	/* Lookup the FSP_BOOTLOADER_TOLUM_HOB */
+	cbmem_root = get_next_resource_hob(&bootldr_tolum_guid, hob_list_ptr);
+	if (cbmem_root == NULL) {
+		fsp_verification_failure = 1;
+		printk(BIOS_ERR, "7.4: FSP_BOOTLOADER_TOLUM_HOB missing!\n");
+		printk(BIOS_ERR, "BootLoaderTolumSize: 0x%08x bytes\n",
+			fsp_rt_common_buffer.BootLoaderTolumSize);
+	}
+
+	/* Locate the FSP_SMBIOS_MEMORY_INFO HOB */
+	memory_info_hob = get_next_guid_hob(&memory_info_hob_guid,
+		hob_list_ptr);
+	if (NULL == memory_info_hob) {
+		printk(BIOS_ERR, "FSP_SMBIOS_MEMORY_INFO HOB missing!\n");
+		fsp_verification_failure = 1;
+	} else {
+		printk(BIOS_DEBUG,
+			"FSP_SMBIOS_MEMORY_INFO HOB: 0x%p\n",
+			memory_info_hob);
+	}
+
+#if IS_ENABLED(CONFIG_DISPLAY_HOBS)
+	if (hob_list_ptr == NULL)
+		die("ERROR - HOB pointer is NULL!\n");
+
+	/*
+	 * Verify that FSP is generating the required HOBs:
+	 *	7.1: FSP_BOOTLOADER_TEMP_MEMORY_HOB only produced for FSP 1.0
+	 *	7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB verified above
+	 *	7.3: FSP_NON_VOLATILE_STORAGE_HOB verified below
+	 *	7.4: FSP_BOOTLOADER_TOLUM_HOB verified above
+	 *	7.5: EFI_PEI_GRAPHICS_INFO_HOB produced by SiliconInit
+	 *	FSP_SMBIOS_MEMORY_INFO HOB verified above
+	 */
+	if (NULL != cbmem_root) {
+		printk(BIOS_DEBUG,
+			"7.4: FSP_BOOTLOADER_TOLUM_HOB: 0x%p\n",
+			cbmem_root);
+		data = cbmem_root->PhysicalStart;
+		printk(BIOS_DEBUG, "    0x%016lx: PhysicalStart\n", data);
+		data = cbmem_root->ResourceLength;
+		printk(BIOS_DEBUG, "    0x%016lx: ResourceLength\n", data);
+	}
+	hob_ptr.Raw = get_next_guid_hob(&mrc_guid, hob_list_ptr);
+	if (NULL == hob_ptr.Raw) {
+		printk(BIOS_ERR, "7.3: FSP_NON_VOLATILE_STORAGE_HOB missing!\n");
+		fsp_verification_failure =
+			(params->pei_data->saved_data == NULL) ? 1 : 0;
+	} else {
+		printk(BIOS_DEBUG,
+			"7.3: FSP_NON_VOLATILE_STORAGE_HOB: 0x%p\n",
+			hob_ptr.Raw);
+	}
+	if (fsp_memory != NULL) {
+		printk(BIOS_DEBUG,
+			"7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB: 0x%p\n",
+			fsp_memory);
+		data = fsp_memory->PhysicalStart;
+		printk(BIOS_DEBUG, "    0x%016lx: PhysicalStart\n", data);
+		data = fsp_memory->ResourceLength;
+		printk(BIOS_DEBUG, "    0x%016lx: ResourceLength\n", data);
+	}
+
+	/* Verify all the HOBs are present */
+	if (fsp_verification_failure)
+		printk(BIOS_DEBUG,
+			"ERROR - Missing one or more required FSP HOBs!\n");
+
+	/* Display the HOBs */
+	print_hob_type_structure(0, hob_list_ptr);
+#endif
+
+	/* Get the address of the CBMEM region for the FSP reserved memory */
+	fsp_reserved_memory_area = cbmem_find(CBMEM_ID_FSP_RESERVED_MEMORY);
+	printk(BIOS_DEBUG, "0x%p: fsp_reserved_memory_area\n",
+		fsp_reserved_memory_area);
+
+	/* Verify the order of CBMEM root and FSP memory */
+	if ((fsp_memory != NULL) && (cbmem_root != NULL) &&
+		(cbmem_root->PhysicalStart <= fsp_memory->PhysicalStart)) {
+		fsp_verification_failure = 1;
+		printk(BIOS_DEBUG,
+			"ERROR - FSP reserved memory above CBMEM root!\n");
+	}
+
+	/* Verify that the FSP memory was properly reserved */
+	if ((fsp_memory != NULL) && ((fsp_reserved_memory_area == NULL) ||
+		(fsp_memory->PhysicalStart !=
+			(unsigned int)fsp_reserved_memory_area))) {
+		fsp_verification_failure = 1;
+		printk(BIOS_DEBUG, "ERROR - Reserving FSP memory area!\n");
+#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)
+		if (cbmem_root != NULL) {
+			size_t delta_bytes = (unsigned int)smm_base
+				- cbmem_root->PhysicalStart
+				- cbmem_root->ResourceLength;
+			printk(BIOS_DEBUG,
+				"0x%08x: Chipset reserved bytes reported by FSP\n",
+				(unsigned int)delta_bytes);
+			die("Please verify the chipset reserved size\n");
+		}
+#endif
+	}
+
+	/* Verify the FSP 1.1 HOB interface */
+	if (fsp_verification_failure)
+		die("ERROR - Coreboot's requirements not met by FSP binary!\n");
+
+	/* Display the memory configuration */
+	report_memory_config();
+
+	/* Locate the memory configuration data to speed up the next reboot */
+	mrc_hob = get_next_guid_hob(&mrc_guid, hob_list_ptr);
+	if (mrc_hob == NULL)
+		printk(BIOS_DEBUG,
+			"Memory Configuration Data Hob not present\n");
+	else {
+		pei_ptr->data_to_save = GET_GUID_HOB_DATA(mrc_hob);
+		pei_ptr->data_to_save_size = ALIGN(
+			((u32)GET_HOB_LENGTH(mrc_hob)), 16);
+	}
+}
+
+/* Initialize the UPD parameters for MemoryInit */
+__attribute__((weak)) void mainboard_memory_init_params(
+	struct romstage_params *params,
+	MEMORY_INIT_UPD *upd_ptr)
+{
+	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
+}
+
+/* Display the UPD parameters for MemoryInit */
+__attribute__((weak)) void soc_display_memory_init_params(
+	const MEMORY_INIT_UPD *old, MEMORY_INIT_UPD *new)
+{
+	printk(BIOS_SPEW, "UPD values for MemoryInit:\n");
+	hexdump32(BIOS_SPEW, new, sizeof(*new));
+}
+
+/* Initialize the UPD parameters for MemoryInit */
+__attribute__((weak)) void soc_memory_init_params(
+	struct romstage_params *params,
+	MEMORY_INIT_UPD *upd)
+{
+	printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
+}