Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sh

- RZ/G2L part 1, except for two serial port patches which I had to drop
  as they broke R2Dplus, they will come later via subsequent PR.

4 files changed, 95 insertions, 0 deletions

diff --git a/board/renesas/rzg2l/Kconfig b/board/renesas/rzg2l/Kconfig
new file mode 100644
index 00000000000..1335fc7ae80
--- /dev/null
+++ b/board/renesas/rzg2l/Kconfig
@@ -0,0 +1,18 @@
+# Copyright (C) 2023 Renesas Electronics Corporation
+# SPDX-License-Identifier: GPL-2.0+
+
+if TARGET_RZG2L_SMARC_EVK
+
+config SYS_SOC
+	default "rmobile"
+
+config SYS_BOARD
+	default "rzg2l"
+
+config SYS_VENDOR
+	default "renesas"
+
+config SYS_CONFIG_NAME
+	default "rzg2l-smarc"
+
+endif
diff --git a/board/renesas/rzg2l/MAINTAINERS b/board/renesas/rzg2l/MAINTAINERS
new file mode 100644
index 00000000000..0a51391c1fc
--- /dev/null
+++ b/board/renesas/rzg2l/MAINTAINERS
@@ -0,0 +1,6 @@
+RENESAS RZG2L BOARD FAMILY
+M:	Paul Barker <[email protected]>
+S:	Supported
+F:	arch/arm/dts/rz-smarc-common.dtsi
+N:	rzg2l
+N:	r9a07g044
diff --git a/board/renesas/rzg2l/Makefile b/board/renesas/rzg2l/Makefile
new file mode 100644
index 00000000000..466935fc815
--- /dev/null
+++ b/board/renesas/rzg2l/Makefile
@@ -0,0 +1,4 @@
+# Copyright (C) 2023 Renesas Electronics Corporation
+# SPDX-License-Identifier: GPL-2.0+
+
+obj-y	:= rzg2l.o
diff --git a/board/renesas/rzg2l/rzg2l.c b/board/renesas/rzg2l/rzg2l.c
new file mode 100644
index 00000000000..755747e665c
--- /dev/null
+++ b/board/renesas/rzg2l/rzg2l.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * RZ/G2L board support.
+ * Copyright (C) 2023 Renesas Electronics Corporation
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <linux/libfdt.h>
+
+#if IS_ENABLED(CONFIG_MULTI_DTB_FIT)
+/* If the firmware passed a device tree, use it for board identification. */
+extern u64 rcar_atf_boot_args[];
+
+static bool is_rzg2l_board(const char *board_name)
+{
+	void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
+
+	return fdt_node_check_compatible(atf_fdt_blob, 0, board_name) == 0;
+}
+
+int board_fit_config_name_match(const char *name)
+{
+	void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
+
+	if (fdt_magic(atf_fdt_blob) != FDT_MAGIC)
+		return -1;
+
+	if (is_rzg2l_board("renesas,r9a07g044l2"))
+		return strcmp(name, "r9a07g044l2-smarc");
+
+	return -1;
+}
+#endif
+
+static void apply_atf_overlay(void *fdt_blob)
+{
+	void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
+
+	if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
+		fdt_overlay_apply_node(fdt_blob, 0, atf_fdt_blob, 0);
+}
+
+int fdtdec_board_setup(const void *fdt_blob)
+{
+	apply_atf_overlay((void *)fdt_blob);
+
+	return 0;
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	return 0;
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+void reset_cpu(void)
+{
+	/*
+	 * TODO: Implement reset support once TrustedFirmware supports
+	 * the appropriate call.
+	 */
+}