nxp:add qspi driver
NXP QuadSPI driver support NXP SoC.
- Supporting QSPI flash
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I928cbec8ea31f4d8f9e320ac9c5105f7ab0ecb73
diff --git a/drivers/nxp/qspi/qspi.c b/drivers/nxp/qspi/qspi.c
new file mode 100644
index 0000000..97b2a19
--- /dev/null
+++ b/drivers/nxp/qspi/qspi.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <qspi.h>
+
+int qspi_io_setup(uintptr_t nxp_qspi_flash_addr,
+ size_t nxp_qspi_flash_size,
+ uintptr_t fip_offset)
+{
+ uint32_t qspi_mcr_val = qspi_in32(CHS_QSPI_MCR);
+
+ /* Enable and change endianness of QSPI IP */
+ qspi_out32(CHS_QSPI_MCR, (qspi_mcr_val | CHS_QSPI_64LE));
+
+ /* Adding QSPI Memory Map in XLAT Table */
+ mmap_add_region(nxp_qspi_flash_addr, nxp_qspi_flash_addr,
+ nxp_qspi_flash_size, MT_MEMORY | MT_RW);
+
+ return 0;
+}