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/stingray/include/swreg.h b/plat/brcm/board/stingray/include/swreg.h
new file mode 100644
index 0000000..6e971ce
--- /dev/null
+++ b/plat/brcm/board/stingray/include/swreg.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2017 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SWREG_H
+#define SWREG_H
+
+/* default voltage if no valid OTP */
+#define VDDC_CORE_DEF_VOLT 910000 /* 0.91v */
+#define IHOST_DEF_VOLT 940000 /* 0.94v */
+
+#define B0_VDDC_CORE_DEF_VOLT 950000 /* 0.95v */
+#define B0_IHOST_DEF_VOLT 950000 /* 0.95v */
+#define B0_DDR_VDDC_DEF_VOLT 1000000 /* 1v */
+
+#define SWREG_IHOST1_DIS 4
+#define SWREG_IHOST1_REG_RESETB 5
+#define SWREG_IHOST1_PMU_STABLE 2
+
+enum sw_reg {
+ DDR_VDDC = 1,
+ IHOST03,
+ IHOST12,
+ IHOST_ARRAY,
+ DDRIO_SLAVE,
+ VDDC_CORE,
+ VDDC1,
+ DDRIO_MASTER
+};
+
+int set_swreg(enum sw_reg reg_id, uint32_t micro_volts);
+int swreg_firmware_update(void);
+
+#endif