Add BL2 support for Broadcom stingray platform
Change-Id: I5daa3f2b4b9d85cb857547a588571a9aa8ad05c2
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/plat/brcm/board/common/bcm_elog_ddr.c b/plat/brcm/board/common/bcm_elog_ddr.c
new file mode 100644
index 0000000..89e7bff
--- /dev/null
+++ b/plat/brcm/board/common/bcm_elog_ddr.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2019-2020 Broadcom.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+
+#include <ddr_init.h>
+#include <scp_cmd.h>
+#include <scp_utils.h>
+#include <platform_def.h>
+
+#include "bcm_elog_ddr.h"
+#include "m0_cfg.h"
+#include "m0_ipc.h"
+
+void elog_init_ddr_log(void)
+{
+ struct elog_setup setup = {0};
+ struct elog_global_header global;
+ struct elog_meta_record rec;
+ unsigned int rec_idx = 0;
+ uint32_t log_offset;
+ uintptr_t metadata;
+ char *rec_desc[ELOG_SUPPORTED_REC_CNT] = {"SYSRESET", "THERMAL",
+ "DDR_ECC", "APBOOTLG",
+ "IDM"};
+
+ /*
+ * If this is warm boot, return immediately.
+ * We expect metadata to be initialized already
+ */
+ if (is_warmboot()) {
+ WARN("Warmboot detected, skip ELOG metadata initialization\n");
+ return;
+ }
+
+ memset(&global, 0, sizeof(global));
+
+ global.sector_size = ELOG_SECTOR_SIZE;
+ global.signature = ELOG_GLOBAL_META_HDR_SIG;
+ global.rec_count = ELOG_SUPPORTED_REC_CNT;
+
+ /* Start of logging area in DDR memory */
+ log_offset = ELOG_STORE_OFFSET;
+
+ /* Shift to the first RECORD header */
+ log_offset += 2 * global.sector_size;
+
+ /* Temporary place to hold metadata */
+ metadata = TMP_ELOG_METADATA_BASE;
+
+ memcpy((void *)metadata, &global, sizeof(global));
+ metadata += sizeof(global);
+
+ while (rec_idx < global.rec_count) {
+ memset(&rec, 0, sizeof(rec));
+
+ rec.type = rec_idx;
+ if (rec_idx == ELOG_REC_UART_LOG) {
+ rec.format = ELOG_REC_FMT_ASCII;
+ rec.src_mem_type = ELOG_SRC_MEM_TYPE_DDR;
+ rec.alt_src_mem_type = ELOG_SRC_MEM_TYPE_FS4_SCRATCH;
+ rec.src_mem_addr = BCM_ELOG_BL31_BASE;
+ rec.alt_src_mem_addr = BCM_ELOG_BL2_BASE;
+ rec.rec_size = ELOG_APBOOTLG_REC_SIZE;
+ } else if (rec_idx == ELOG_REC_IDM_LOG) {
+ rec.type = IDM_ELOG_REC_TYPE;
+ rec.format = ELOG_REC_FMT_CUSTOM;
+ rec.src_mem_type = ELOG_SRC_MEM_TYPE_DDR;
+ rec.alt_src_mem_type = ELOG_SRC_MEM_TYPE_CRMU_SCRATCH;
+ rec.src_mem_addr = ELOG_IDM_SRC_MEM_ADDR;
+ rec.alt_src_mem_addr = 0x0;
+ rec.rec_size = ELOG_DEFAULT_REC_SIZE;
+ } else {
+ rec.format = ELOG_REC_FMT_CUSTOM;
+ rec.src_mem_type = ELOG_SRC_MEM_TYPE_CRMU_SCRATCH;
+ rec.alt_src_mem_type = ELOG_SRC_MEM_TYPE_CRMU_SCRATCH;
+ rec.src_mem_addr = ELOG_USE_DEFAULT_MEM_ADDR;
+ rec.alt_src_mem_addr = ELOG_USE_DEFAULT_MEM_ADDR;
+ rec.rec_size = ELOG_DEFAULT_REC_SIZE;
+ }
+
+ rec.nvm_type = LOG_MEDIA_DDR;
+ rec.sector_size = ELOG_SECTOR_SIZE;
+
+ rec.rec_addr = (uint64_t)log_offset;
+ log_offset += rec.rec_size;
+
+ /* Sanity checks */
+ if (rec.type > ELOG_MAX_REC_COUNT ||
+ rec.format > ELOG_MAX_REC_FORMAT ||
+ (rec.nvm_type > ELOG_MAX_NVM_TYPE &&
+ rec.nvm_type != ELOG_NVM_DEFAULT) ||
+ !rec.rec_size ||
+ !rec.sector_size ||
+ rec_idx >= ELOG_SUPPORTED_REC_CNT) {
+ ERROR("Invalid ELOG record(%u) detected\n", rec_idx);
+ return;
+ }
+
+ memset(rec.rec_desc, ' ', sizeof(rec.rec_desc));
+
+ memcpy(rec.rec_desc, rec_desc[rec_idx],
+ strlen(rec_desc[rec_idx]));
+
+ memcpy((void *)metadata, &rec, sizeof(rec));
+ metadata += sizeof(rec);
+
+ rec_idx++;
+ }
+
+ setup.params[0] = TMP_ELOG_METADATA_BASE;
+ setup.params[1] = (sizeof(global) + global.rec_count * sizeof(rec));
+ setup.cmd = ELOG_SETUP_CMD_WRITE_META;
+
+ flush_dcache_range((uintptr_t)&setup, sizeof(struct elog_setup));
+ flush_dcache_range((uintptr_t)setup.params[0], setup.params[1]);
+
+ /* initialize DDR Logging METADATA if this is NOT warmboot */
+ if (!is_warmboot()) {
+ if (scp_send_cmd(MCU_IPC_MCU_CMD_ELOG_SETUP,
+ (uint32_t)(uintptr_t)(&setup),
+ SCP_CMD_DEFAULT_TIMEOUT_US)) {
+ ERROR("scp_send_cmd: timeout/error for elog setup\n");
+ return;
+ }
+ }
+
+ NOTICE("MCU Error logging initialized\n");
+}