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-rw-r--r--include/configs/sun8i.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/configs/sun8i.h b/include/configs/sun8i.h
index 9b4675e4c3..27c9808a49 100644
--- a/include/configs/sun8i.h
+++ b/include/configs/sun8i.h
@@ -12,6 +12,16 @@
* A23 specific configuration
*/
+#ifdef SUNXI_SRAM_A2_SIZE
+/*
+ * If the SoC has enough SRAM A2, use that for the secure monitor.
+ * Skip the first 16 KiB of SRAM A2, which is not usable, as only certain bytes
+ * are writable. Reserve the last 17 KiB for the resume shim and SCP firmware.
+ */
+#define CONFIG_ARMV7_SECURE_BASE (SUNXI_SRAM_A2_BASE + 16 * 1024)
+#define CONFIG_ARMV7_SECURE_MAX_SIZE (SUNXI_SRAM_A2_SIZE - 33 * 1024)
+#endif
+
/*
* Include common sunxi configuration where most the settings are
*/