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-rw-r--r--include/configs/ax25-ae350.h17
-rw-r--r--include/opensbi.h18
2 files changed, 34 insertions, 1 deletions
diff --git a/include/configs/ax25-ae350.h b/include/configs/ax25-ae350.h
index 5fd7a60..4504962 100644
--- a/include/configs/ax25-ae350.h
+++ b/include/configs/ax25-ae350.h
@@ -7,6 +7,23 @@
#ifndef __CONFIG_H
#define __CONFIG_H
+#ifdef CONFIG_SPL
+#define CONFIG_SPL_MAX_SIZE 0x00100000
+#define CONFIG_SPL_BSS_START_ADDR 0x04000000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x00100000
+
+#ifndef CONFIG_XIP
+#define CONFIG_SPL_LOAD_FIT_ADDRESS 0x00200000
+#else
+#define CONFIG_SPL_LOAD_FIT_ADDRESS 0x80010000
+#endif
+
+#ifdef CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.itb"
+#endif
+#endif
+
/*
* CPU and Board Configuration Options
*/
diff --git a/include/opensbi.h b/include/opensbi.h
index 9f1d62e..d812cc8 100644
--- a/include/opensbi.h
+++ b/include/opensbi.h
@@ -11,7 +11,7 @@
#define FW_DYNAMIC_INFO_MAGIC_VALUE 0x4942534f
/** Maximum supported info version */
-#define FW_DYNAMIC_INFO_VERSION 0x1
+#define FW_DYNAMIC_INFO_VERSION 0x2
/** Possible next mode values */
#define FW_DYNAMIC_INFO_NEXT_MODE_U 0x0
@@ -35,6 +35,22 @@ struct fw_dynamic_info {
unsigned long next_mode;
/** Options for OpenSBI library */
unsigned long options;
+ /**
+ * Preferred boot HART id
+ *
+ * It is possible that the previous booting stage uses same link
+ * address as the FW_DYNAMIC firmware. In this case, the relocation
+ * lottery mechanism can potentially overwrite the previous booting
+ * stage while other HARTs are still running in the previous booting
+ * stage leading to boot-time crash. To avoid this boot-time crash,
+ * the previous booting stage can specify last HART that will jump
+ * to the FW_DYNAMIC firmware as the preferred boot HART.
+ *
+ * To avoid specifying a preferred boot HART, the previous booting
+ * stage can set it to -1UL which will force the FW_DYNAMIC firmware
+ * to use the relocation lottery mechanism.
+ */
+ unsigned long boot_hart;
} __packed;
#endif