plat: intel: Add BL2 support for Stratix 10 SoC
This adds BL2 support for Intel Stratix 10 SoC FPGA.
Functionality includes:
- Release and setup peripherals from reset
- Calibrate DDR
- ECC DDR Scrubbing
- Load FIP (bl31 and bl33)
Signed-off-by: Loh Tien Hock <tien.hock.loh@intel.com>
diff --git a/plat/intel/soc/stratix10/plat_storage.c b/plat/intel/soc/stratix10/plat_storage.c
new file mode 100644
index 0000000..cedcf1e
--- /dev/null
+++ b/plat/intel/soc/stratix10/plat_storage.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <assert.h>
+#include <common/debug.h>
+#include <drivers/mmc.h>
+#include <tools_share/firmware_image_package.h>
+#include <drivers/io/io_block.h>
+#include <drivers/io/io_driver.h>
+#include <drivers/io/io_fip.h>
+#include <drivers/io/io_memmap.h>
+#include <drivers/io/io_storage.h>
+#include <lib/mmio.h>
+#include <drivers/partition/partition.h>
+#include <lib/semihosting.h>
+#include <string.h>
+#include <lib/utils.h>
+#include <common/tbbr/tbbr_img_def.h>
+#include "platform_def.h"
+
+#define STRATIX10_FIP_BASE (0)
+#define STRATIX10_FIP_MAX_SIZE (0x1000000)
+#define STRATIX10_MMC_DATA_BASE (0xffe3c000)
+#define STRATIX10_MMC_DATA_SIZE (0x2000)
+
+static const io_dev_connector_t *mmc_dev_con;
+static const io_dev_connector_t *fip_dev_con;
+
+static uintptr_t fip_dev_handle;
+static uintptr_t mmc_dev_handle;
+
+static const io_uuid_spec_t bl2_uuid_spec = {
+ .uuid = UUID_TRUSTED_BOOT_FIRMWARE_BL2,
+};
+
+static const io_uuid_spec_t bl31_uuid_spec = {
+ .uuid = UUID_EL3_RUNTIME_FIRMWARE_BL31,
+};
+
+static const io_uuid_spec_t bl33_uuid_spec = {
+ .uuid = UUID_NON_TRUSTED_FIRMWARE_BL33,
+};
+
+uintptr_t a2_lba_offset;
+
+static const io_block_spec_t gpt_block_spec = {
+ .offset = 0,
+ .length = MMC_BLOCK_SIZE
+};
+
+static int check_mmc(const uintptr_t spec);
+static int check_fip(const uintptr_t spec);
+
+static io_block_spec_t mmc_fip_spec = {
+ .offset = STRATIX10_FIP_BASE,
+ .length = STRATIX10_FIP_MAX_SIZE,
+};
+
+const char a2[] = {0xa2, 0x0};
+
+static const io_block_dev_spec_t mmc_dev_spec = {
+ .buffer = {
+ .offset = STRATIX10_MMC_DATA_BASE,
+ .length = MMC_BLOCK_SIZE,
+ },
+
+ .ops = {
+ .read = mmc_read_blocks,
+ .write = mmc_write_blocks,
+ },
+
+ .block_size = MMC_BLOCK_SIZE,
+};
+
+struct plat_io_policy {
+ uintptr_t *dev_handle;
+ uintptr_t image_spec;
+ int (*check)(const uintptr_t spec);
+};
+
+static const struct plat_io_policy policies[] = {
+ [FIP_IMAGE_ID] = {
+ &mmc_dev_handle,
+ (uintptr_t)&mmc_fip_spec,
+ check_mmc
+ },
+ [BL2_IMAGE_ID] = {
+ &fip_dev_handle,
+ (uintptr_t)&bl2_uuid_spec,
+ check_fip
+ },
+ [BL31_IMAGE_ID] = {
+ &fip_dev_handle,
+ (uintptr_t)&bl31_uuid_spec,
+ check_fip
+ },
+ [BL33_IMAGE_ID] = {
+ &fip_dev_handle,
+ (uintptr_t) &bl33_uuid_spec,
+ check_fip
+ },
+ [GPT_IMAGE_ID] = {
+ &mmc_dev_handle,
+ (uintptr_t) &gpt_block_spec,
+ check_mmc
+ },
+};
+
+static int check_mmc(const uintptr_t spec)
+{
+ int result;
+ uintptr_t local_handle;
+
+ result = io_dev_init(mmc_dev_handle, (uintptr_t)NULL);
+ if (result == 0) {
+ result = io_open(mmc_dev_handle, spec, &local_handle);
+ if (result == 0)
+ io_close(local_handle);
+ }
+ return result;
+}
+
+static int check_fip(const uintptr_t spec)
+{
+ int result;
+ uintptr_t local_image_handle;
+
+ result = io_dev_init(fip_dev_handle, (uintptr_t)FIP_IMAGE_ID);
+ if (result == 0) {
+ result = io_open(fip_dev_handle, spec, &local_image_handle);
+ if (result == 0)
+ io_close(local_image_handle);
+ }
+ return result;
+}
+
+void stratix10_io_setup(void)
+{
+ int result;
+
+ result = register_io_dev_block(&mmc_dev_con);
+ assert(result == 0);
+
+ result = register_io_dev_fip(&fip_dev_con);
+ assert(result == 0);
+
+ result = io_dev_open(mmc_dev_con, (uintptr_t)&mmc_dev_spec,
+ &mmc_dev_handle);
+ assert(result == 0);
+
+ result = io_dev_open(fip_dev_con, (uintptr_t)NULL, &fip_dev_handle);
+ assert(result == 0);
+
+ partition_init(GPT_IMAGE_ID);
+
+ mmc_fip_spec.offset = get_partition_entry(a2)->start;
+
+ (void)result;
+}
+
+int plat_get_image_source(unsigned int image_id, uintptr_t *dev_handle,
+ uintptr_t *image_spec)
+{
+ int result;
+ const struct plat_io_policy *policy;
+
+ assert(image_id < ARRAY_SIZE(policies));
+
+ policy = &policies[image_id];
+ result = policy->check(policy->image_spec);
+ assert(result == 0);
+
+ *image_spec = policy->image_spec;
+ *dev_handle = *(policy->dev_handle);
+
+ return result;
+}