plat: imx8m: Add basic rdc module init driver
Add the basic support for RDC init/config driver,
this module driver can be enhanced more if necessary.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: I290dc378d0d85671435f9de46d5aa790b4e006c8
diff --git a/plat/imx/imx8m/imx_rdc.c b/plat/imx/imx8m/imx_rdc.c
new file mode 100644
index 0000000..85de191
--- /dev/null
+++ b/plat/imx/imx8m/imx_rdc.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2019, NXP. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <lib/mmio.h>
+
+#include <imx_rdc.h>
+
+void imx_rdc_init(const struct imx_rdc_cfg *rdc_cfg)
+{
+ const struct imx_rdc_cfg *rdc = rdc_cfg;
+
+ while (rdc->type != RDC_INVALID) {
+ switch (rdc->type) {
+ case RDC_MDA:
+ /* MDA config */
+ mmio_write_32(MDAn(rdc->index), rdc->setting.rdc_mda);
+ break;
+ case RDC_PDAP:
+ /* peripheral access permission config */
+ mmio_write_32(PDAPn(rdc->index), rdc->setting.rdc_pdap);
+ break;
+ case RDC_MEM_REGION:
+ /* memory region access permission config */
+ mmio_write_32(MRSAn(rdc->index), rdc->setting.rdc_mem_region[0]);
+ mmio_write_32(MREAn(rdc->index), rdc->setting.rdc_mem_region[1]);
+ mmio_write_32(MRCn(rdc->index), rdc->setting.rdc_mem_region[2]);
+ break;
+ default:
+ break;
+ }
+
+ rdc++;
+ }
+}