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/sr_utils.h b/plat/brcm/board/stingray/include/sr_utils.h
new file mode 100644
index 0000000..b3fc735
--- /dev/null
+++ b/plat/brcm/board/stingray/include/sr_utils.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2017 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SR_UTILS_H
+#define SR_UTILS_H
+
+#include <lib/mmio.h>
+
+#include <chip_id.h>
+#include <cmn_plat_util.h>
+#include <sr_def.h>
+
+static inline void brcm_stingray_set_qspi_mux(int enable_ap)
+{
+ mmio_write_32(QSPI_HOLD_N_MODE_SEL_CONTROL, enable_ap);
+ mmio_write_32(QSPI_WP_N_MODE_SEL_CONTROL, enable_ap);
+ mmio_write_32(QSPI_SCK_MODE_SEL_CONTROL, enable_ap);
+ mmio_write_32(QSPI_CS_N_MODE_SEL_CONTROL, enable_ap);
+ mmio_write_32(QSPI_MOSI_MODE_SEL_CONTROL, enable_ap);
+ mmio_write_32(QSPI_MISO_MODE_SEL_CONTROL, enable_ap);
+}
+
+static inline void brcm_stingray_set_straps(uint32_t boot_source)
+{
+ /* Enable software strap override */
+ mmio_setbits_32(CDRU_CHIP_STRAP_CTRL,
+ BIT(CDRU_CHIP_STRAP_CTRL__SOFTWARE_OVERRIDE));
+
+ /* set straps to the next boot source */
+ mmio_clrsetbits_32(CDRU_CHIP_STRAP_DATA,
+ BOOT_SOURCE_MASK,
+ boot_source);
+
+ /* Disable software strap override */
+ mmio_clrbits_32(CDRU_CHIP_STRAP_CTRL,
+ BIT(CDRU_CHIP_STRAP_CTRL__SOFTWARE_OVERRIDE));
+}
+
+#endif