From 3d660799b4433692a1f04fbdd198f3b1a59c7952 Mon Sep 17 00:00:00 2001 From: Jacky Bai Date: Thu, 18 Jul 2019 13:43:17 +0800 Subject: 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 Change-Id: I290dc378d0d85671435f9de46d5aa790b4e006c8 --- plat/imx/imx8m/imx_rdc.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 plat/imx/imx8m/imx_rdc.c (limited to 'plat/imx/imx8m/imx_rdc.c') diff --git a/plat/imx/imx8m/imx_rdc.c b/plat/imx/imx8m/imx_rdc.c new file mode 100644 index 00000000..85de1911 --- /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 + +#include + +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++; + } +} -- cgit v1.2.3