board: schneider: add RZN1 board support
Add support for Schneider Electric RZ/N1D and RZ/N1S boards, which
are based on the Reneasas RZ/N1 SoC devices.
The intention is to support both boards using a single defconfig, and to
handle the differences at runtime.
Signed-off-by: Ralph Siemsen <ralph.siemsen@linaro.org>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/board/schneider/rzn1-snarc/rzn1.c b/board/schneider/rzn1-snarc/rzn1.c
new file mode 100644
index 0000000..09241c3
--- /dev/null
+++ b/board/schneider/rzn1-snarc/rzn1.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <common.h>
+#include <dm.h>
+#include <ram.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ gd->bd->bi_boot_params = gd->ram_base + 0x100;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ struct udevice *dev;
+ int err;
+
+ /*
+ * This will end up calling cadence_ddr_probe(),
+ * and will also update gd->ram_size.
+ */
+ err = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (err)
+ debug("DRAM init failed: %d\n", err);
+
+ return err;
+}